Light condenser, low beam module and vehicle lamp
By designing vertically arranged focusing units and light sources in the low beam module to form the high beam center beam pattern, the problem of insufficient brightness of the high beam pattern in the existing technology is solved, realizing a high-brightness high beam pattern and expanding the illumination range of the low beam pattern, thereby improving driving safety.
Patent Information
- Application Number
- CN202520201170.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-08
AI Technical Summary
Existing low-beam concentrators cannot effectively improve the brightness of high-beam beams, and therefore cannot meet the need to improve driving safety in poor road lighting conditions.
Design a concentrator comprising first and second concentrating units arranged vertically, combined with first and second light sources, to form low beam and high beam patterns by converging light, making full use of the internal space of the low beam module and the light-emitting element to increase the brightness of the high beam pattern.
The brightness of the high beam has been improved to meet regulatory requirements, the illumination range of the low beam has been increased, the dark area in front of the vehicle has been shortened, driving safety has been improved, and the aesthetics and optical performance of the light-emitting elements have been maintained.
Smart Images
Figure CN223709387U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses a car headlamp module, specifically, it relates to a light collector. In addition, the utility model also relates to a low beam module and a car lamp. BACKGROUND
[0002] Vehicle has become the indispensable traffic tool of today's society, and has brought great convenience to people's life and work. The headlamp of vehicle generally includes a low beam module and a high beam module, and realizes low beam function and high beam function.
[0003] For high beam, in the road condition of poor road lighting, people yearn for brighter high beam light type to ensure safer driving. In addition, with the rapid development of automobile technology, the general vehicle speed is higher than before, and when driving in the dark night, the brightness requirement of high beam light type is higher. The low beam light collector of prior art generally forms a low beam light type in cooperation with the lens and the light shield plate of the low beam module, and cannot increase the brightness of the high beam light type.
[0004] Therefore, it is necessary to design a light collector capable of improving the brightness of high beam light type. UTILITY MODEL CONTENTS
[0005] One of the purposes of the utility model is to provide a light collector, which can fully utilize the internal space and light emitting element of the low beam module, and improve the brightness of high beam light type.
[0006] The second purpose of the utility model is to provide a low beam module, which can fully utilize the light emitting element of the low beam module, and improve the brightness of high beam light type.
[0007] The third purpose of the utility model is to provide a car lamp, which forms high beam light type with higher brightness.
[0008] In order to achieve the above purpose, the utility model provides a light collector, which is used in cooperation with a light source and a light emitting element to form a low beam module. The light collector includes a first light collecting unit and a second light collecting unit arranged in an up-down manner. The light source includes a first light source and a second light source. The first light collecting unit is arranged correspondingly to the first light source, and the second light collecting unit is arranged correspondingly to the second light source. The light emitted by the first light source is adapted to be converged by the first light collecting unit and then emitted by the light emitting element to form a low beam light type. The light emitted by the second light source is adapted to be converged by the second light collecting unit and then emitted by the light emitting element to project to the central area of high beam light type.
[0009] Specifically, the second light collecting unit includes a plurality of second sub-light collecting units arranged in a transverse direction, and the second light source includes a plurality of second sub-light sources. At least one of the plurality of second sub-light collecting units is arranged correspondingly to the second sub-light source.
[0010] Specifically, the first light collecting unit and the second light collecting unit are integrally formed.
[0011] Preferably, the light collector further comprises an upper convex structure arranged on the upper side of the first light collecting unit, the upper convex structure comprising an upper convex structure reflecting surface and an upper convex structure light exiting surface, part of the light rays emitted by the first light source enter the first light collecting unit, part of the light rays are upwardly emitted to the upper convex structure reflecting surface, are reflected by the upper convex structure reflecting surface, and are then emitted by the upper convex structure light exiting surface, the emitted light rays are transmitted to the light exiting element, and are downwardly projected to the lower side boundary region of the low beam light pattern after passing through the light exiting element.
[0012] Specifically, the first light collecting unit comprises a plurality of first sub light collecting units arranged in a transverse direction, and the upper side of at least part of the first sub light collecting units is provided with the upper convex structure.
[0013] Preferably, the light collector further comprises a lower convex structure arranged on the lower side of the first light collecting unit, the lower convex structure comprising a lower convex structure reflecting surface and a lower convex structure light exiting surface, part of the light rays emitted by the first light source enter the first light collecting unit, part of the light rays are downwardly emitted to the lower convex structure reflecting surface, are reflected by the lower convex structure reflecting surface, and are then emitted by the lower convex structure light exiting surface, the emitted light rays are transmitted to the light exiting element, and are upwardly projected after passing through the light exiting element, forming a low beam III region light pattern.
[0014] Specifically, the first light collecting unit comprises a plurality of first sub light collecting units arranged in a transverse direction, and the lower side of at least the first sub light collecting units located on the transverse two sides of the second light collecting unit is provided with the lower convex structure.
[0015] The utility model discloses a second aspect provides a low beam module, the low beam module has the light source, the light exiting element and the light collector of any one technical scheme described above;
[0016] The light source comprises the first light source and the second light source;
[0017] The light collector comprises the first light collecting unit and the second light collecting unit arranged in a vertical direction;
[0018] The light exiting element is a lens;
[0019] The light rays emitted by the first light source are adapted to be converged by the first light collecting unit and then emitted by the lens to form a low beam light pattern, and the light rays emitted by the second light source are adapted to be converged by the second light collecting unit and then projected to the central region of a high beam light pattern by the lens to form a high beam central light pattern.
[0020] Specifically, the low beam module further comprises a light shielding plate arranged between the lens and the light collector, the light shielding plate forms a cutoff line structure, and the light rays collected by the first light collecting unit are cut off by the cutoff line structure and then projected by the lens to form a low beam light pattern with a bright-dark cutoff line.
[0021] Preferably, a boundary line structure corresponding to the cutoff line structure is formed between the first light collecting unit and the second light collecting unit, and the shape of the boundary line structure is arranged corresponding to the shape of the cutoff line structure.
[0022] The third aspect of the utility model provides a car lamp, the car lamp includes the light collector of any one of the preceding technical solutions or the low beam module of any one of the preceding technical solutions.
[0023] Through the above technical solution, the light collector of the application comprises the first light collecting unit and the second light collecting unit arranged in up and down directions, the light rays emitted by the first light source are projected to the light emitting element after being collected by the first light collecting unit, and then the low beam light pattern is formed by the light emitting element, the light rays emitted by the second light source are projected to the center area of the high beam light pattern after being collected by the second light collecting unit, and then the high beam center light pattern is formed by the light emitting element, the high beam center light pattern is used for superimposing with the center of the high beam light pattern, so that the internal space of the low beam module and the light emitting element are fully utilized, and the brightness of the high beam light pattern is improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is the explosion map of the low beam module of the embodiment of the utility model;
[0025] Figure 2 It is the rear view of the light collector of the embodiment of the utility model;
[0026] Figure 3 It is the bottom view of the light collector of the embodiment of the utility model;
[0027] Figure 4 It is the front view of the light collector of the embodiment of the utility model;
[0028] Figure 5 It is the left view of the light collector of the embodiment of the utility model;
[0029] Figure 6 It is the top view of the light collector of the embodiment of the utility model;
[0030] Figure 7 It is one of the perspective views of the light collector of the embodiment of the utility model;
[0031] Figure 8 It is the second perspective view of the light collector of the embodiment of the utility model;
[0032] Figure 9 is a perspective view of a condenser of the embodiment of the present application;
[0033] Figure 10 is Figure 2 a light path schematic view when the upper convex structure is arranged under the A-A cross-sectional view of
[0034] Figure 11 is Figure 2 a light path schematic view when the upper convex structure is not arranged;
[0035] Figure 12 is a comparative schematic view of the light path a and the light path b;
[0036] Figure 13 is Figure 2 a light path schematic view when the lower convex structure is arranged under the B-B cross-sectional view of
[0037] Figure 14 is Figure 4 an enlarged view of the area C;
[0038] Figure 15 is the light type of the low beam module of the prior art and the light type of the single high beam module after superposition;
[0039] Figure 16 is the light type of the low beam module of the embodiment of the present application and the light type of the single high beam module after superposition;
[0040] Figure 17 is the low beam light type formed by the low beam module of the prior art;
[0041] Figure 18 is the low beam light type formed by the low beam module of the embodiment of the present application.
[0042] Explanation of reference signs
[0043] 1 light emitting element 2 light shielding plate
[0044] 3 condenser 301 first condensing unit
[0045] 3011 first sub-condensing unit 302 second condensing unit
[0046] 3021 second sub-condensing unit 401 first light source
[0047] 4011 first sub-light source 402 second light source
[0048] 4021 second sub-light source 5 first sub-condensing unit light inlet portion
[0049] 6 first sub-condensing unit light outlet surface 7 second sub-condensing unit light inlet portion
[0050] 8 second sub-concentration unit light exit surface 9 demarcation line structure
[0051] 10 upper convex structure 1001 upper convex structure reflecting surface
[0052] 1002 upper convex structure light exit surface 11 lower convex structure
[0053] 1101 lower convex structure reflecting surface 1102 lower convex structure light exit surface DETAILED DESCRIPTION
[0054] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The detailed description of the following examples and drawings are used to exemplarily illustrate the principles of the present application, but cannot be used to limit the scope of the present application, and the present application can be realized in many different forms, and is not limited to the specific examples disclosed herein, but includes all technical solutions falling within the scope of the claims.
[0055] The present application provides these examples in order to make the present application thorough and complete, and fully express the scope of the present application to those skilled in the art. It should be noted that: unless otherwise specified, the relative arrangement and values of the components and steps described in these examples should be interpreted as merely exemplary, and not as a limitation.
[0056] It should be noted that, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is greater than or equal to two; the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer" and the like is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0057] In addition, the "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different parts. The terms "comprise" or "include" and the like mean that the elements before the word are encompassed in the elements listed after the word, and do not exclude the possibility of also encompassing other elements.
[0058] It should be further noted that in the description of the present application, unless otherwise explicitly defined and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. When it is described that a specific device is located between the first device and the second device, there can be an intermediate device between the specific device and the first device or the second device, or there can be no intermediate device.
[0059] All the terms used in the present application have the same meaning as understood by the ordinary skilled in the art to which the present application belongs, unless otherwise specifically defined. It should also be understood that the terms defined in, such as general dictionaries, should be interpreted to have the same meaning as their meaning in the context of the relevant art, and should not be interpreted in an idealized or excessively formalized sense, unless otherwise defined herein.
[0060] The technology, method and equipment known to the ordinary skilled in the relevant art can not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as part of the specification.
[0061] In order to achieve the above-mentioned purpose, the present application provides a condenser, which is used in cooperation with a light source and a light emitting element 1 to form a low beam module, the condenser comprises a first condensing unit 301 and a second condensing unit 302 arranged in an up-down manner, the light source comprises a first light source 401 and a second light source 402, the first condensing unit 301 is arranged corresponding to the first light source 401, and the second condensing unit 302 is arranged corresponding to the second light source 402, the light emitted by the first light source 401 is adapted to be converged through the first condensing unit 301 and then emitted through the light emitting element 1 to form a low beam light pattern, and the light emitted by the second light source 402 is adapted to be converged through the second condensing unit 302 and then projected to a central region of a high beam light pattern through the light emitting element 1 to form a high beam central light pattern, the high beam central light pattern is located in the central region of the high beam light pattern, the present application sets a part of the high beam module in the low beam module, fully utilizes the internal space of the low beam module, and also fully utilizes the light emitting element 1 of the low beam module, and at the same time, the maximum illumination of the high beam light pattern is improved through the formed high beam central light pattern, so that the high beam light pattern meets the regulatory requirements. As shown in Figure 15 and Figure 16 As shown in Figure 15 The light pattern of the prior art low beam module without the second condensing unit 302 and the light pattern of the single high beam module after superposition are shown in the figure, and the maximum illumination of the superposition light pattern is about 130lx (lux), Figure 16For the case of the light type of the low beam module of the specific embodiment of the present application superimposed on the light type of the single high beam module, the superimposed light type has an illumination maximum value of about 260 lx. Therefore, the low beam module of the present application can greatly improve the illumination maximum value of the high beam light type, improve the brightness of the high beam light type, meet the regulatory requirements, and improve the safety of night driving.
[0062] Specifically, the light beam emitted by the second light source 402 is projected onto the light distribution screen after being converged by the second light collecting unit 302 and projected by the light projecting element 1, and forms a high beam center light type on the light distribution screen. The H-H axis is the center horizontal axis of the light distribution screen, and the V-V axis is the center vertical axis of the light distribution screen. The high beam center light type is located within the range of 10° above the H-H axis to 5° below the H-H axis in the vertical direction, and within the range of 10° left of the V-V axis to 10° right of the V-V axis in the horizontal direction.
[0063] As a specific embodiment, as shown in Figure 1 and Figure 2 The second light collecting unit 302 includes a plurality of second light collecting sub-units 3021 arranged transversely, and the second light source includes a plurality of second light sources 4021. At least one of the plurality of second light collecting sub-units 3021 is provided with a corresponding second light source 4021. The number of second light collecting sub-units 3021 and second light sources 4021 can be adjusted according to requirements.
[0064] As a specific embodiment, as shown in Figures 1 to 9 The first light collecting unit 301 and the second light collecting unit 302 can be an integrally formed member, so that the light collector 3 has a simple structure and is easy to install.
[0065] As a preferred embodiment, as shown in Figures 1 to 10 The light collector 3 includes the first light collecting unit 301, and the upper side of the first light collecting unit 301 is provided with an upper convex structure 10. The upper convex structure 10 includes an upper convex structure reflecting surface 1001 and an upper convex structure light projecting surface 1002. Part of the light emitted by the first light source 401 enters the first light collecting unit 301, and part of the light is upwardly projected to the upper convex structure reflecting surface 1001. After being reflected by the upper convex structure reflecting surface 1001, the light is projected out through the upper convex structure light projecting surface 1002. The projected light is transmitted to the light projecting element 1, and is downwardly projected to the lower side boundary region of the low beam light type after passing through the light projecting element 1. As shown in Figures 10 to 12As shown in the figure, the light path a is the light path of the light passing through the upper convex structure 10 arranged on the upper side of the first light collecting unit 301, and the light path b is the light path of the light without the upper convex structure 10. The present application arranges the upper convex structure 10 on the upper side of the first light collecting unit 301, so that there is more effective light emitting area on the upper side of the first light collecting unit 301. After the light is reflected by the upper convex structure reflecting surface 1001, it is emitted from the upper convex structure light emitting surface 1002 with a higher vertical height, and then is emitted forward to the light emitting element 1. Compared with the light path b, the light path a is emitted into the light emitting element 1 from a position with a higher vertical height, so that the light is emitted from the light emitting surface of the light emitting element 1 at a larger downward angle after passing through the light emitting element 1, and then can be projected to a position on the lower side of the low beam light pattern, thereby increasing the illumination range of the lower side boundary area of the low beam light pattern. As shown in the figure, Figure 17 As shown in the figure, the lower side of the low beam light pattern formed by this embodiment is widened to 12.5° without the upper convex structure 10. Figure 18 As shown in the figure, the lower side of the low beam light pattern formed by this embodiment is widened to 15.5° after the upper convex structure 10 is arranged. The upper convex structure 10 increases the lower side boundary area of the formed low beam light pattern, so that the illumination range of the low beam light pattern is larger, the dark area in front of the vehicle is shortened, the driver can see the obstacles in front of the vehicle, and the safety of driving is improved.
[0066] As a specific embodiment, as shown in the figure, Figure 2 The first light collecting unit 301 can include a plurality of first sub-light collecting units 3011 arranged transversely, and the upper side of at least part of the first sub-light collecting units 3011 is provided with the upper convex structure 10, as shown in the figure, Figure 2 , Figure 6 , Figure 7 and Figure 9 As shown in the figure, the upper side of part of the first sub-light collecting units 3011 is provided with the upper convex structure 10, so as to avoid that too many upper convex structures 10 cause the insufficient brightness value of the finally formed low beam light pattern. In some specific embodiments, the upper side of the first sub-light collecting unit 3011 located in the middle of the plurality of first sub-light collecting units 3011 is not provided with the upper convex structure 10, and the upper side of at least one first sub-light collecting unit 3011 located on both sides of the first sub-light collecting unit 3011 located in the middle is provided with the upper convex structure 10, so as to increase the lower side boundary area of the low beam light pattern while ensuring that the central area of the low beam light pattern has sufficient brightness value. In another embodiment, the upper side of each first sub-light collecting unit 3011 can be provided with the upper convex structure 10 on the premise that the brightness value of the low beam light pattern can be met.
[0067] As a preferred embodiment, as shown in the figure, Figure 2 , Figure 7 , Figure 9 and Figure 13As shown in the figure, the light collector 3 comprises a first light collecting unit 301, the lower side of the first light collecting unit 301 is provided with a lower convex structure 11, the lower convex structure comprises a lower convex structure reflecting surface 1101 and a lower convex structure light emitting surface 1102, part of the light emitted by the first light source 401 enters the first light collecting unit 301, part of the light is downwardly emitted to the lower convex structure reflecting surface 1101, is reflected by the lower convex structure reflecting surface 1101 and then is emitted by the lower convex structure light emitting surface 1102, the emitted light is transmitted to the light emitting element 1 and is upwardly projected after passing through the light emitting element 1, forming a low beam III area light pattern. The lower side of the first light collecting unit 301 is provided with the lower convex structure 11 in this embodiment, so that the low beam III area light pattern is formed in cooperation with the first light source 401 and the light emitting element 1, the low beam III area light pattern can be realized without designing a low beam III area forming structure on the light emitting element 1 (for example, a lens), and the aesthetic degree and optical performance of the light emitting element 1 (for example, a lens) are avoided from being affected.
[0068] As a preferred embodiment, as shown in the figure, Figure 4 and Figure 8 As shown in the figure, the second sub light collecting unit light emitting surface 8 can be a free curved surface, the first sub light collecting unit light emitting surface 6, the upper convex structure light emitting surface 1002 and the lower convex structure light emitting surface 1102 can be provided with patterns, and the patterns include but are not limited to columnar patterns, polygonal patterns and arc patterns, and in some specific embodiments, the patterns are columnar patterns, the diffusion degree of light when passing through different regions can be adjusted by adjusting the shape and spacing of the columnar patterns in different regions, the purpose of adjusting the corresponding light pattern widening of the regions is achieved, and the uniformity of the light pattern can be improved.
[0069] As a preferred embodiment, as shown in the figure, Figure 2 The first light collecting unit 301 comprises a plurality of first sub light collecting units 3011 arranged transversely, and the lower side of at least the first sub light collecting units 3011 located on the transverse two sides of the second light collecting unit 302 is provided with the lower convex structure 11. The lower convex structure 11 of this embodiment avoids the second light collecting unit 302, avoids the destruction of the second sub light collecting unit light emitting surface 8 by the lower convex structure 11, and further avoids the decrease of the brightness of the high beam center light pattern caused by the destruction of the second sub light collecting unit light emitting surface 8.
[0070] As a specific embodiment, the lower convex structure light emitting surface 1102 is configured to transmit the light emitted by the lower convex structure light emitting surface 1102 to the light emitting element 1 along the lower side of the optical axis of the light emitting element 1, and then transmit the light to the upper side of the optical axis of the light emitting element 1 after refraction by the light emitting element 1. By adjusting the inclination of the lower convex structure light emitting surface 1102 and the shape and / or spacing of the columnar patterns, the light emitted from the light emitting element 1 is projected to a position above the H axis of the light distribution screen, forming a low beam III area light pattern.
[0071] The utility model provides a kind of preferred light collector, as shown in the figure, Figure 1As shown, the condenser is used in cooperation with the light source and the light emitting element 1 to form a low beam module, the condenser 3 includes the first condensing unit 301 and the second condensing unit 302 arranged in an up-down manner, the light source includes the first light source 401 and the second light source 402, the first condensing unit 301 is arranged corresponding to the first light source 401, the second condensing unit 302 is arranged corresponding to the second light source 402, the light emitted by the first light source 401 is adapted to be converged through the first condensing unit 301 and then emitted through the light emitting element 1 to form a low beam light pattern, the light emitted by the second light source 402 is adapted to be converged through the second condensing unit 302 and then projected to the central region of the high beam light pattern through the light emitting element 1 to form a high beam central light pattern, the high beam central light pattern is located in the central region of the high beam light pattern, the application sets part of the high beam module in the low beam module, fully utilizes the internal space of the low beam module, also fully utilizes the light emitting element 1 of the low beam module, and meanwhile improves the maximum illumination of the high beam light pattern through the formed high beam central light pattern, so that the high beam light pattern meets the regulatory requirements. The first condensing unit 301 and the second condensing unit 302 of the embodiment are integrally formed, a boundary line structure 9 corresponding to the shape of the cutoff line structure is arranged between the first condensing unit 301 and the second condensing unit 302, so as to avoid light leakage of the light emitted by the first condensing unit 301 and the second condensing unit 302. The condenser 3 of the embodiment further includes an upper convex structure 10, the upper side of part of the first sub-condensing unit 3011 is provided with the upper convex structure 10, the upper convex structure 10 includes an upper convex structure reflecting surface 1001 and an upper convex structure light emitting surface 1002, the light upwardly emitted in the first condensing unit 301 to the upper convex structure reflecting surface 1001 is reflected by the upper convex structure reflecting surface 1001 and then emitted by the upper convex structure light emitting surface 1002 and transmitted to the light emitting element 1, and then downwardly projected to the lower side boundary region of the low beam light pattern through the refraction of the light emitting element 1. By arranging the upper convex structure 10, the effective light emitting area of the condenser 3 in the vertical direction is higher, so that the light can be emitted from a higher position on the condenser 3 and enter the light emitting element 1 from a higher area of the light emitting element 1, under the refraction of the light emitting element 1, the light is emitted from the light emitting surface of the light emitting element 1 at a larger downward angle, and then can be projected to a lower position of the low beam light pattern, increases the lower side boundary region of the formed low beam light pattern, so that the low beam light pattern has a larger illumination range, shortens the dark area in front of the vehicle, is beneficial to the driver to see the obstacles in front of the vehicle, and improves the safety of driving.
[0072] The light collector 3 of the embodiment further comprises a lower convex structure 11, the lower side of the two first sub light collecting units 301 on the two sides of the second light collecting unit 302 transversely is provided with the lower convex structure 11, the lower convex structure 11 comprises a lower convex structure reflecting surface 1101 and a lower convex structure light emitting surface 1102, the light rays in the first light collecting unit 301 downwardly directed to the lower convex structure reflecting surface 1101 are emitted by the lower convex structure light emitting surface 1102 after being reflected by the lower convex structure reflecting surface 1101, and are transmitted to the light emitting element 1 along the lower side of the optical axis of the light emitting element 1, are emitted from the light emitting surface of the light emitting element 1 and are projected to the upper side of the optical axis of the light emitting element 1 after being refracted by the light emitting element 1, and form a low beam III light pattern, the low beam III light pattern is formed by the lower convex structure 11, and the low beam III forming structure does not need to be arranged on the light emitting element 1 (for example, a lens), so that the light emitting element 1 is more beautiful, and the arrangement position of the lower convex structure 11 avoids the second light collecting unit 302, so that the light emitting surface of the second light collecting unit 302 is not damaged, and the brightness of the high beam central light pattern is not affected. In addition, the second sub light collecting unit light emitting surface 8 of the embodiment is a free-form surface, the first sub light collecting unit light emitting surface 6, the upper convex structure light emitting surface 1002 and the lower convex structure light emitting surface 1102 are provided with columnar patterns, and the inclination of the lower convex structure light emitting surface 1102 and the shape and / or spacing of the columnar patterns on the lower convex structure light emitting surface 1102 are adjusted according to the actual generated light pattern requirements, so that the low beam light pattern meets the regulatory requirements.
[0073] On the basis of the light collector in the above technical scheme of the utility model, the utility model provides a low beam module, the low beam module has a light source, a light emitting element 1 and the light collector in any one of the above technical schemes, the light source includes a first light source 401 and a second light source 402, the light collector 3 includes a first light collecting unit 301 and a second light collecting unit 302 arranged upwards and downwards, the light emitting element 1 is a lens, the light rays emitted by the first light source 401 are suitable for forming a low beam light pattern after being emitted by the lens after being converged by the first light collecting unit 301, and the light rays emitted by the second light source 402 are suitable for forming a high beam central light pattern after being projected to the central region of the high beam light pattern by the lens after being converged by the second light collecting unit 302.
[0074] As a specific embodiment, as shown in Figure 1 The low beam module further comprises a light shielding plate 2 arranged between the light emitting element 1 and the light collector 3, the edge of the light shielding plate 2 forms a cutoff line structure, the light rays converged by the first light collecting unit 301 are cut off by the cutoff line structure and then projected by the light emitting element 1 to form a low beam light pattern with a bright-dark cutoff line.
[0075] As a preferred embodiment, as shown in Figure 1 , Figure 8 and Figure 14As shown, a boundary line structure 9 corresponding to the cutoff line structure is formed between the first light condensing unit 301 and the second light condensing unit 302, the shape of the boundary line structure 9 corresponds to the shape of the cutoff line structure, so as to prevent the light rays emitted by the first light condensing unit 301 and the second light condensing unit 302 from projecting to the area of the corresponding light pattern of the other, and the problem of mutual light leakage.
[0076] On the basis of the low beam module in the above technical scheme, the utility model provides a vehicle lamp, the vehicle lamp includes the low beam module in the above technical scheme.
[0077] From the above description, the utility model has the advantages that first, a part of the high beam module is arranged in the low beam module, the internal space of the low beam module is fully utilized, and the maximum illumination of the high beam light pattern is improved through the formed high beam central light pattern, so that the high beam light pattern meets the regulatory requirements; second, the upper convex structure enables the light condenser to have a higher effective light emitting area in the vertical direction, increases the lower boundary area of the low beam light pattern, so that the low beam light pattern has a larger illumination range, shortens the dark area in front of the vehicle, and is beneficial to improving the driving safety; third, the low beam III area forming structure does not need to be arranged on the light emitting element, which is beneficial to improving the appearance and optical performance of the light emitting element, and the lower convex structure avoids the second light condensing unit and does not damage the light emitting surface of the second light condensing unit, so as to not affect the brightness of the high beam central light pattern; fourth, the light leakage of the light rays emitted by the first light condensing unit and the second light condensing unit is avoided through the boundary line structure.
[0078] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical scheme of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model.
[0079] In addition, it should be noted that various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the utility model does not further describe various possible combination manners.
[0080] In addition, various different embodiments of the utility model can also be combined in any manner, as long as they do not deviate from the idea of the utility model, and they should also be considered as disclosed contents of the utility model.
Claims
1. A light collector, which, in cooperation with a light source and a light exit element (1), forms a low-beam module, characterized in that The light source comprises a first light source (401) and a second light source (402), the first light source (401) is correspondingly arranged with the first light collecting unit (301), and the second light source (402) is correspondingly arranged with the second light collecting unit (302); the light emitted by the first light source (401) is adapted to form a low beam light pattern after being emitted by the light emitting element (1) after being converged by the first light collecting unit (301); and the light emitted by the second light source (402) is adapted to be projected to a central region of a high beam light pattern after being emitted by the light emitting element (1) after being converged by the second light collecting unit (302).
2. The light collector of claim 1, wherein The second light collecting unit (302) comprises a plurality of second sub-light collecting units (3021) arranged in a transverse direction, and the second light source (402) comprises a plurality of second sub-light sources (4021); at least one of the second sub-light collecting units (3021) is correspondingly arranged with the second sub-light source (4021).
3. The light collector of claim 1, wherein, The first light collecting unit (301) and the second light collecting unit (302) are integrally formed.
4. The light collector of claim 1, wherein, The light collector (3) further comprises an upper convex structure (10) arranged on the upper side of the first light collecting unit (301), the upper convex structure (10) comprises an upper convex structure reflecting surface (1001) and an upper convex structure light emitting surface (1002); part of the light emitted by the first light source enters the first light collecting unit (301), part of the light is upwardly emitted to the upper convex structure reflecting surface (1001), is reflected by the upper convex structure reflecting surface (1001), is emitted by the upper convex structure light emitting surface (1002), is transmitted to the light emitting element (1), and is downwardly projected to the lower side boundary region of the low beam light pattern after passing through the light emitting element (1).
5. The light collector of claim 4, wherein, The first light collecting unit (301) comprises a plurality of first sub-light collecting units (3011) arranged in a transverse direction, and the upper side of at least part of the first sub-light collecting units (3011) is arranged with the upper convex structure (10).
6. The light collector of claim 1, wherein, The light collector (3) further comprises a lower convex structure (11) arranged on the lower side of the first light collecting unit (301), the lower convex structure (11) comprises a lower convex structure reflecting surface (1101) and a lower convex structure light emitting surface (1102); part of the light emitted by the first light source (401) enters the first light collecting unit (301), part of the light is downwardly emitted to the lower convex structure reflecting surface (1101), is reflected by the lower convex structure reflecting surface (1101), is emitted by the lower convex structure light emitting surface (1102), is transmitted to the light emitting element (1), and is upwardly projected after passing through the light emitting element (1) to form a low beam III light pattern.
7. The light collector of claim 6, wherein, The first light collecting unit (301) comprises a plurality of first sub-light collecting units (3011) arranged in a transverse direction, and the lower side of at least the first sub-light collecting units (3011) located on the transverse two sides of the second light collecting unit (302) is arranged with the lower convex structure (11).
8. A low beam module, characterized in that The low beam module has the light source, the light emitting element (1) and the condenser (3) of any one of claims 1-7; The light source comprises the first light source (401) and the second light source (402); The condenser (3) comprises the first condensing unit (301) and the second condensing unit (302) arranged in up and down direction; The light emitting element (1) is a lens; The light emitted by the first light source (401) is adapted to be converged by the first condensing unit (301) and then emitted by the lens to form a low beam light pattern, and the light emitted by the second light source (402) is adapted to be converged by the second condensing unit (302) and then emitted by the lens to form a center light pattern of high beam.
9. The low beam module according to claim 8, characterized in that Further comprising a light shielding plate (2) arranged between the light emitting element (1) and the condenser (3), the edge of the light shielding plate (2) forms a cutoff line structure, the light converged by the first condensing unit (301) is cut off by the cutoff line structure and then emitted by the light emitting element (1) to form a low beam light pattern with a bright-dark cutoff line.
10. The low beam module according to claim 9, characterized in that A boundary line structure (9) corresponding to the cutoff line structure is formed between the first condensing unit (301) and the second condensing unit (302), the shape of the boundary line structure (9) corresponds to the shape of the cutoff line structure.
11. A vehicle lamp characterized by The low beam module of any one of claims 8-10 or the condenser of any one of claims 1-7.