Low-beam lens module and vehicle

Abstract

The utility model discloses a passing light lens module and a vehicle, the passing light lens module comprises an outer lens, a reflector and a radiator which are enclosed to form a containing cavity structure, a lamp panel is arranged on one side, facing the inside of the containing cavity, of the radiator, and a reflecting area of the reflector is arranged facing the lamp panel; a cut-off line is arranged on the side, facing the interior of the containing cavity, of the radiator, the cut-off line stretches across the radiator, the radiator is provided with a first reflection area and a second reflection area on the two sides of the cut-off line respectively, the first reflection area is arranged close to the lamp panel, the first reflection area and the second reflection area are arranged on different planes, and the setting width of the first reflection area is larger than that of the second reflection area. The cavity for accommodating the lamp panel is formed by the outer lens, the reflecting mirror and the radiator, and the surface of the radiator is provided with the optical surface characteristics of the first reflecting area and the second reflecting area so as to be matched with the reflecting mirror to reflect light rays, so that the light emitted by the lamp panel can be emitted from the position of the outer lens; and the assembly precision is improved without arranging a light-type baffle plate.

Description

Technical Field

[0001] The utility model relates to the technical field of lamp equipment, in particular to a low beam lens module and a vehicle. Background Art

[0002] The low beam of a vehicle is an important lamp for night driving. Its light distribution design and assembly accuracy are key factors affecting the lighting quality and effect. However, the low beam lens module currently needs to design and assemble optical structure, heat dissipation structure, etc., and also needs to set the styling structure to adapt to the vehicle styling. The large number of parts not only affects the production cost of the lamp and the whole vehicle, but the long size chain will lead to large assembly errors, which will affect the assembly accuracy of the low beam and cause the problem of poor low beam lighting effect.

[0003] Therefore, how to improve the lighting performance of low beam lights and ensure effective lighting during driving is a technical problem that needs to be urgently solved by those skilled in the art. Utility Model Content

[0004] The utility model provides a low beam lens module and a vehicle, so as to improve the illumination performance of a low beam lamp and ensure effective illumination during driving.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] In a first aspect, the utility model provides a low beam lens module, comprising an outer lens, a reflector and a heat sink enclosing a receiving cavity structure, wherein a light board is arranged on a side of the heat sink facing the receiving cavity, and a reflection area of ​​the reflector is arranged toward the light board;

[0007] A cut-off line is arranged on one side of the radiator facing the accommodating cavity, the cut-off line spans the radiator, and the radiator is respectively provided with a first reflection area and a second reflection area on both sides of the cut-off line, the first reflection area is arranged close to the light board and is arranged on a different plane from the second reflection area, and the setting width of the first reflection area is greater than that of the second reflection area.

[0008] Optionally, in the above-mentioned low beam lens module, a transition zone is provided between the cut-off line and the second reflection zone, and the transition zone is a region having a sunken structure compared to the first reflection zone.

[0009] Optionally, in the above-mentioned low beam lens module, the sinking depth of the transition zone is not less than 0.5 mm, and the setting width toward the second reflection zone is not less than 1.5 mm.

[0010] Optionally, in the above-mentioned low beam lens module, the surface of the first reflection area is plated with aluminum, and the surface of the second reflection area is plated with aluminum and then treated with dermatoglyphics VDI27.

[0011] Optionally, in the above-mentioned low beam lens module, the first reflection area includes a left reflection area and a right reflection area which are separated in the width direction of the heat sink, and the left reflection area and the right reflection area are staggered.

[0012] Optionally, in the above-mentioned low beam lens module, the outer lens is fixedly connected to the reflector by laser welding, the side of the reflector facing the light board is aluminum-plated, and the surface of the area of ​​the reflector connected to the outer lens is exposed.

[0013] Optionally, in the above-mentioned low beam lens module, an area of ​​the reflector side wall close to the heat sink is processed by leather graining.

[0014] Optionally, in the above-mentioned low beam lens module, a heat dissipation medium is arranged between the light board and the heat sink, and the heat dissipation medium is heat dissipation glue or silicone grease.

[0015] Optionally, in the above-mentioned low beam lens module, the opening size of the light-emitting surface of the outer lens is 35 mm×50 mm, and the side of the outer lens facing the outside of the vehicle body is a curved surface structure.

[0016] In a second aspect, the utility model provides a vehicle, which uses the low beam lens module described in any one of the above embodiments for low beam lighting.

[0017] It can be seen from the above technical scheme that the low beam lens module provided by the utility model forms a accommodating cavity by enclosing an outer lens, a reflector and a heat sink, and the light panel is arranged inside the accommodating cavity. On the basis of the reflector reflecting the light, the optical surface feature of the light type baffle is integrated on the surface of the side of the radiator facing the inside of the accommodating cavity. Specifically, the radiator includes a first reflection area and a second reflection area divided into two areas by a cut-off line. At the same time, the first reflection area and the second reflection area are arranged on two different, non-parallel planes, so that the first reflection area and the second reflection area have different reflection capabilities for light, thereby dividing the light type. The first reflection area makes the light more concentrated through the outer lens, and can improve the illumination of the middle part of the low beam lighting area, while the second reflection area avoids the low beam lighting area. The height of the domain is too high, which affects the subjective feelings of customers and even affects the regulations. At the same time, the width of the reflected light after passing through the outer lens is wider and the distribution is more even, so that the lighting range of the low beam meets the use requirements. At the same time, the setting width of the first reflection area on the surface of the radiator is greater than the setting width of the second reflection area, so that the main lighting area has sufficient illumination width to meet the visual requirements of the driving process, and at the same time weakens the risk of excessive brightness of the second reflection area close to the outer lens; in addition, since the present application optimizes the light baffle, the number of components of the low beam lens module is reduced, and the influence of assembly errors on lighting performance and uniformity is reduced, and the light board is directly arranged on the side wall of the radiator, the heat generated during the working process can be discharged by the radiator in time, reducing costs while meeting customer optical and thermal performance requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, the drawings described below are only some examples or embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without creative work, and the utility model can also be applied to other similar scenarios based on the provided drawings. Unless it is obvious from the language environment or otherwise explained, the same reference numerals in the figures represent the same structure or operation.

[0019] Figure 1 It is an exploded schematic diagram of a low beam lens module provided by the utility model;

[0020] Figure 2 It is a schematic diagram of the optical characteristic partition structure on the side of the radiator where the light board is installed;

[0021] Figure 3 yes Figure 2 AA cross-sectional structural diagram;

[0022] Figure 41. It is a top view schematic diagram of the assembly state of the low beam lens module;

[0023] Figure 5 yes Figure 4 BB cross-sectional structure diagram;

[0024] Figure 6 is a schematic diagram of the lateral structure of the reflector;

[0025] Figure 7 yes Figure 6 Schematic diagram of CC cross-section structure;

[0026] Figure 8 yes Figure 6 Schematic diagram of the DD cross-section structure.

[0027] Among them, 10 is an outer lens; 20 is a reflector; 30 is a heat sink; 310 is a cut-off line; 320 is a first reflection area; 3210 is a left reflection area; 3220 is a right reflection area; 3230 is a raised portion; 330 is a second reflection area; 340 is a transition area; and 40 is a light board. DETAILED DESCRIPTION

[0028] The core of the utility model is to disclose a low beam lens module and a vehicle, so as to improve the lighting performance of the low beam lamp and ensure effective lighting during driving.

[0029] In order to make the technical personnel in this field better understand the present invention, the embodiments of the present invention are described below with reference to the accompanying drawings. In addition, the embodiments shown below do not limit the contents of the utility model described in the claims. In addition, the entire contents of the structures represented by the following embodiments are not limited to those necessary for the solutions of the utility model described in the claims.

[0030] See also Figure 1-2 and Figure 4-5 The embodiment of the utility model provides a low beam lens module, which mainly includes an outer lens 10, a reflector 20, a heat sink 30 and a light board 40, wherein the outer lens 10, the reflector 20 and the heat sink 30 are enclosed to form a receiving cavity structure, and the light board 40 is arranged inside the receiving cavity to be well protected, and the reflecting area of ​​the reflector 20 is arranged toward the light board 40, so that the light emitted by the light board 40 can be fully reflected in the cavity to improve the utilization rate of light and the lighting effect; in order to maintain the fixation and heat dissipation effect of the light board 40, it is preferred that the light board 40 is fixedly arranged on a side surface of the heat sink 30 facing the inside of the receiving cavity by structures such as limit pins and screws, and the heat sink 30 is made by a die-casting process so as to be able to produce a more complex and dimensionally precise structure.

[0031] In order to ensure that the light emitted by the lamp board 40 can be reflected to the position of the outer lens 10 and emitted from the outer lens 10 to meet the lighting effect, a cut-off line 310 is further provided on the side of the heat sink 30 facing the accommodating cavity. The cut-off line 310 spans the surface of the heat sink 30. It should be noted that the span here specifically refers to that the cut-off line 310 is set along the width direction of the heat sink 30, and the length direction of the heat sink 30 is the direction connecting the lamp board 40 and the outer lens 10, so as to divide the surface of the heat sink 30 into two areas, namely the first reflection area 320 and the second reflection area 330. The first reflection area 320 and the second reflection area 330 are both made of reflective materials. They can be set on the surface of the heat sink 30 by coating technology, or they can be integrally formed with the heat sink 30 during the production process of the heat sink 30 to serve as the wall structure of the heat sink 30. The first reflection area 320 and the second reflection area 330 cooperate with the reflector 20 to make the light in the lamp board 40 reach the position of the outer lens 10 after multiple levels of reflection.

[0032] It should be noted that in order to meet the illumination width and brightness requirements of the low beam, the areas on both sides of the cut-off line 310 in the lamp need to achieve illumination requirements of different illumination intensities and widths. The prior art usually divides the complete light pattern by setting a light pattern baffle. The light pattern baffle is mostly a separate component and is riveted or laser welded into a whole through 0.1mm and 0.5mm stainless steel SUS304. It has a large assembly accuracy requirement and assembly difficulty, which can easily cause the cut-off line 310 to deform and cause the light pattern to deform, affecting subjective feelings and even affecting regulations. In order to meet the illumination width and brightness requirements of the low beam, the present application specially performs a first reflection area 320 and a second reflection area 330. Differentiated design, specifically, the first reflection area 320 is an area closer to the light board 40 than the second reflection area 330, and the first reflection area 320 and the second reflection area 330 are arranged on different planes. In a more specific embodiment, the first reflection area 320 and the light board 40 are arranged on the same plane, and the second reflection area 330 is an inclined surface structure inclined away from the reflector 20 from the cut-off line 310. By arranging the first reflection area 320 and the second reflection area 330 on different planes, it is possible to achieve the difference in light reflection ability of the areas on both sides of the cut-off line 310 without setting a light baffle, thereby realizing the division of the light type and meeting the illumination difference requirement of the low beam.

[0033] What needs to be explained on the basis of the above embodiments is that, considering the actual use requirements of the low beam lens module, the setting width of the first reflection area 320 on the surface of the heat sink 30 is greater than the setting width of the second reflection area 330. On the one hand, the reflected light of the first reflection area 320 has a wider illumination area. At the same time, the smaller area of ​​the second reflection area 330 can reduce the risk of stray light, improve the uniformity of light distribution, and avoid the problem that the light reflected by the second reflection area 330 is too bright and does not meet regulatory requirements.

[0034] The low beam lens module provided by the embodiment of the utility model is formed by enclosing an accommodating cavity by an outer lens 10, a reflector 20 and a heat sink 30, and a light board 40 is arranged inside the accommodating cavity. On the basis of the light reflection by the reflector 20, an optical surface feature of a light type baffle is integrated on the surface of the side of the heat sink 30 facing the inside of the accommodating cavity. Specifically, the heat sink 30 includes a first reflection area 320 and a second reflection area 330 which are divided into two areas by a cutoff line 310. At the same time, the first reflection area 320 and the second reflection area 330 are arranged on two different, non-parallel planes, so that the first reflection area 320 and the second reflection area 330 have different reflection capabilities for light, thereby dividing the light type. The first reflection area 320 makes the light more convergent through the outer lens 10, and can improve the illumination of the middle part of the low beam lighting area, while the second reflection area 330 avoids the low beam lighting area from being too high, which affects the subjective feelings of customers and even affects regulations. The width of the reflected light after passing through the outer lens 10 is wider and the distribution is more uniform, so that the lighting range of the low beam meets the usage requirements, that is, the outer lens 10 receives reflected light from different directions, so as to enhance the brightness of the central area of ​​the low beam lighting through convergence, maintain the lighting effect, and increase the width of the lighting area through diffusion; at the same time, the setting width of the first reflection area 320 on the surface of the radiator 30 is greater than the setting width of the second reflection area 330, so that the main lighting area has sufficient illumination width to meet the visual requirements of the driving process, and at the same time weakens the risk of excessive brightness of the second reflection area 330 close to the outer lens 10; in addition, since the present application optimizes the light baffle, the number of components of the low beam lens module is reduced, and the influence of assembly errors on lighting performance and uniformity is reduced, at the same time, the light panel 40 is directly arranged on the side wall of the radiator 30, and the heat generated during the working process can be discharged in time by the radiator 30, thereby reducing costs and meeting customer optical and thermal performance requirements.

[0035] In order to further optimize the above technical solution, in some embodiments of the present utility model, such as Figure 1 , Figure 2 and Figure 3As shown, a transition zone 340 is further provided between the cut-off line 310 and the second reflection zone 330. The transition zone 340 is specifically a region that is sunken in structure compared to the plane where the first reflection zone 320 is located. The transition zone 340 is used to ensure that the processing and masking of the mold can be carried out effectively. At the same time, it can clearly distinguish the boundaries between the first reflection zone 320 and the second reflection zone 330, thereby achieving effective segmentation of the light type and reducing the direct impact of light during the reflection process.

[0036] At the same time, based on the above embodiments, the structure of the transition zone 340 needs to consider the mold processing feasibility and optical impact. The mold feasibility is specifically the height and depth of the transition zone 340. If it is too small, the mold will be sharp and affect the quality of the finished product. If it is too large, it will occupy the optical surface too much, resulting in the optical surface being too small and affecting the regulations. Therefore, considering the processability and optical requirements of the mold, in some embodiments of the present invention, the sinking depth of the transition zone 340, that is, Figure 3 The h value in the transition zone 340 is not less than 0.5 mm, preferably floating between 0.5 mm and 0.7 mm. It should be noted that the sinking depth of the transition zone 340 here specifically refers to the descending height of the transition zone 340 based on the second reflection zone 330. At the same time, the setting width of the transition zone 340 toward the second reflection zone 330, that is, Figure 3 The t value in the transition zone 340 is not less than 1.5 mm, and preferably fluctuates between 1.5 mm and 1.8 mm. The setting width of the transition zone 340 is the width of its projection on the plane where the second reflection zone 330 is located. The size of the transition zone 340 is designed to have enough space for mold processing and can effectively divide the light type.

[0037] Furthermore, in order to ensure that the heat sink 30 meets the optical property requirements after integrating optical features, the first reflection area 320 and the second reflection area 330 on the heat sink 30 need to be optically processed differently. For example, some areas need to increase the reflectivity to improve the reflection effect, while some areas need to reduce the reflectivity to avoid stray light from seriously affecting subjective perception. Therefore, in some embodiments of the utility model, the surface of the first reflection area 320 is aluminum-plated so that the reflectivity of the first reflection area 320 is not less than 80%. At the same time, since the reflectivity of the second reflection area 330 cannot be too high, in order to avoid serious stray light or even the second reflection area 330 being super bright and failing to meet regulatory requirements, the surface of the second reflection area 330 is aluminum-plated and then treated with leather grain VDI27 to form a texture on the surface of the second reflection area 330 so that its reflectivity is not too high.

[0038] It should be noted that the purpose of the transition zone 340 at the cut-off line 310 is to facilitate mold processing and effectively segment the light type, so the transition zone 340 can be aluminum-plated or not.

[0039] In order to further optimize the above technical scheme, in some embodiments of the utility model, the first reflection area 320 includes a left reflection area 3210 and a right reflection area 3220 which are separated and arranged in the width direction of the radiator 30. It should be noted that the width direction here is the direction of the span of the cut-off line 310, and the left reflection area 3210 and the right reflection area 3220 are also staggered in the width direction of the radiator 30 to further divide the first reflection area 320. The staggered structure is set, and a protrusion 3230 is set on the left reflection area 3210 at the same time, so that the left reflection area 3210 and the right reflection area 3220 have a difference in the reflection direction of light to meet regulatory requirements, and the height difference formed by the left reflection area 3210 and the right reflection area 3220 can also meet the regulatory requirements of left and right-hand drive vehicles at home and abroad.

[0040] It should be noted that, in the above embodiment, the raised portion 3230 is arranged on the left reflection area 3210 to be an adaptation structure for vehicles that meet the requirements of left-hand drive regulations to reduce the risk of glare, while for vehicles that meet the requirements of right-hand drive regulations, the height difference between the left reflection area 3210 and the right reflection area 3220 is opposite to that in the above embodiment, and the raised portion 3230 needs to be arranged on one side of the right reflection area 3220.

[0041] In the low beam lens module provided by the embodiment of the utility model, the outer lens 10 is fixedly connected to the reflector 20 by laser welding, and a mounting frame is provided on the reflector 20 for mounting and fixing the outer lens 10, and the reflector 20 is fixedly connected to the heat sink 30 by at least two bolts arranged at intervals; and the side of the reflector 20 facing the light board 40 is aluminum-plated, that is, Figure 8 The G area shown in the figure can also improve the reflection efficiency of the reflector 20 to achieve higher optical performance. For the non-aluminum-plated area on the reflector 20, it is necessary to block the leather grain or add features on the surface to weaken the reflectivity, reduce the light intensity and thus reduce the risk of stray light. Since the process requirements of laser welding need to be met, the area on the reflector 20 connected to the outer lens 10, that is, Figure 8 The surface of the annular H zone is exposed, and aluminum plating is prohibited to maintain the stability of the connection, while other areas outside the above-mentioned area can be aluminum-plated or not according to process requirements.

[0042] Based on the above embodiments, see Figure 4-6 , the area on the inner wall of the reflector 20 close to the heat sink 30, that is, Figure 7 The annular F area shown is processed by leather graining to weaken the reflectivity of the area close to the heat sink 30, so that the area on the reflector 20 facing the light board 40 has sufficient reflectivity, while the reflectivity of the surrounding area is weakened to avoid scattering light in the surrounding area and generating too much stray light. At the same time, it should be noted that Figure 7The E area is the main reflective area of ​​the reflector 20. The leather grain treatment is prohibited in this area to maintain its good reflectivity, while other areas can be set or not set with leather grain according to the convenience of the process.

[0043] Furthermore, in some embodiments of the utility model, in order to improve the heat dissipation effect of the radiator 30 on the lamp board 40, the heat dissipation medium between the lamp board 40 and the radiator 30 is a heat dissipation glue or silicone grease, which can significantly improve the heat conduction efficiency between the lamp board 40 and the radiator 30, reduce the accumulation of heat between the lamp board 40 and the radiator 30, help to keep the temperature of the lamp board 40 and the radiator 30 within a safe range, and extend the service life of the lamp board 40 and the radiator 30.

[0044] In addition, in the low beam lens module provided by the embodiment of the utility model, the opening size of the light-emitting surface of the outer lens 10 is preferably 35mm×50mm to meet the light emission requirements. At the same time, the side of the outer lens 10 facing the outside of the vehicle body is a curved surface structure to directly match the styling surface of the entire vehicle without the need to set other styling structures. At the same time, the curved surface structure allows the light to be more evenly distributed during the emission process, avoiding the problem of local overbrightness or overdarkness caused by light concentration. At the same time, this design also helps to reduce the scattering and refraction of light during the emission process, improving the overall lighting effect.

[0045] An embodiment of the utility model also provides a vehicle, which uses the low beam lens module provided by any of the above embodiments for low beam lighting. It should be noted that since the low beam lens module has the technical effects provided by the above embodiments, the vehicle also has the above technical effects, that is, the vehicle using the above low beam lens module can provide a more uniform and natural lighting effect, reducing the glare caused by concentrated light.

[0046] It should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the utility model can be combined with each other.

[0047] In the following, the terms "first", "second", "left", "right", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0048] The above description is only a preferred embodiment of the utility model and an explanation of the technical principles used, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. The scope of the utility model involved in the utility model is not limited to the technical solution formed by a specific combination of the above-mentioned technical features, but also should cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the concept of the above-mentioned utility model. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the utility model (but not limited to) to form a technical solution.

Claims

1. A low beam lens module, characterized in that: It includes an outer lens, a reflector and a heat sink which enclose a receiving cavity structure, a light board is arranged on the side of the heat sink facing the receiving cavity, and a reflecting area of ​​the reflector is arranged toward the light board; A cut-off line is arranged on one side of the radiator facing the accommodating cavity, the cut-off line spans the radiator, and the radiator is respectively provided with a first reflection area and a second reflection area on both sides of the cut-off line, the first reflection area is arranged close to the light board and is arranged on a different plane from the second reflection area, and the setting width of the first reflection area is greater than that of the second reflection area.

2. The low beam lens module according to claim 1, characterized in that: A transition zone is provided between the cut-off line and the second reflection zone, and the transition zone is a region with a sunken structure compared to the first reflection zone.

3. The low beam lens module according to claim 2, characterized in that: The sinking depth of the transition zone is not less than 0.5 mm, and the setting width toward the second reflection zone is not less than 1.5 mm.

4. The low beam lens module according to claim 1, characterized in that: The surface of the first reflection area is aluminum-plated, and the surface of the second reflection area is aluminum-plated and then treated with leather grain VDI27.

5. The low beam lens module according to claim 1, characterized in that: The first reflection area includes a left reflection area and a right reflection area that are separated and arranged in the width direction of the heat sink, and the left reflection area and the right reflection area are staggered.

6. The low beam lens module according to claim 1, wherein: The outer lens is fixedly connected to the reflector by laser welding, the side of the reflector facing the light board is aluminum-plated, and the surface of the area on the reflector connected to the outer lens is exposed.

7. The low beam lens module according to claim 6, characterized in that: The area of ​​the side wall of the reflector close to the heat sink is processed by leather graining.

8. The low beam lens module according to claim 1, wherein: A heat dissipation medium is arranged between the lamp board and the radiator, and the heat dissipation medium is heat dissipation glue or silicone grease.

9. The low beam lens module according to claim 1, characterized in that: The opening size of the light-emitting surface of the outer lens is 35 mm×50 mm, and the side of the outer lens facing the outside of the vehicle body is a curved surface structure.

10. A vehicle, characterized in that: The low beam lens module according to any one of claims 1 to 9 is used for low beam lighting.

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