WO2020258591A1 - 车灯照明装置、车辆前照灯及车辆 - Google Patents

车灯照明装置、车辆前照灯及车辆 Download PDF

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Publication number
WO2020258591A1
WO2020258591A1 PCT/CN2019/110989 CN2019110989W WO2020258591A1 WO 2020258591 A1 WO2020258591 A1 WO 2020258591A1 CN 2019110989 W CN2019110989 W CN 2019110989W WO 2020258591 A1 WO2020258591 A1 WO 2020258591A1
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WIPO (PCT)
Prior art keywords
light source
lamp lighting
lighting device
optical element
optical
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PCT/CN2019/110989
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English (en)
French (fr)
Inventor
仇智平
张大攀
李辉
祝贺
桑文慧
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华域视觉科技(上海)有限公司
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Publication of WO2020258591A1 publication Critical patent/WO2020258591A1/zh

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    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • 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
    • 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
    • F21S41/29—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a vehicle lighting system, in particular to a vehicle lamp lighting device.
  • the invention also relates to a vehicle headlamp and a vehicle.
  • the shape of car lights is becoming more and more diversified.
  • vehicle headlights there has been a form of arranging multiple car light lighting units scattered in a certain form to form a whole headlight, that is, car light lighting. It is dispersedly arranged as a plurality of vehicle lamp lighting units to generate multiple lighting areas, and a plurality of vehicle lamp lighting units are combined to form a headlamp, and the multiple lighting areas are combined to form a lighting light shape.
  • the shape of such car lights is more flexible, and the design flexibility is higher.
  • the light emitting parts can be arranged according to a certain arrangement, such as along a certain straight line or along a bending line Arrange in a form, or arrange along a curve, etc.
  • each vehicle lighting unit is provided with a separate dimming mechanism for dimming.
  • the car lamp shown in Figure 1 according to the requirements of the car lamp shape, is provided with six car lamp lighting units 1 arranged at an oblique straight line and equal distance.
  • the lighting bracket 2 is fixed relative to the lamp body of the car lamp.
  • the lamp lighting units 1 are all arranged on the lighting bracket 2, and the position shown in FIG. 1 is a design state.
  • each lamp lighting unit 1 has a certain deviation relative to the design position. It is necessary to adjust the position of each lamp lighting unit 1 on the lighting bracket 2 through a dimming mechanism. The left and right adjustments make the lighting areas generated by the multiple car light lighting units 1 combine into a complete car light shape that meets the requirements. After dimming, the position of each lamp lighting unit 1 deviates from the position of the design state. As shown in Fig. 2, each lamp lighting unit 1 is no longer arranged at regular intervals along an oblique straight line, and the arrangement is messy and The distances are not equal, so that the lights after dimming cannot meet the design requirements of the lights.
  • the existing car light lighting unit usually consists of an assembly including a radiator, a circuit board, a light source, a primary optical element, a secondary optical element, and related fixing brackets.
  • Each assembly can be up and down under the adjustment of the dimming mechanism. Move or swing left and right. Therefore, a certain distance must be left between each car light lighting unit to meet the dimming needs, that is, each car light lighting unit needs to be independent of each other and arranged at intervals, which results in a larger overall size of the entire car light lighting device and takes up space Big.
  • the technical problem to be solved by the present invention is to provide a vehicle lamp lighting device, which does not affect the overall shape layout of the vehicle lamp while effectively realizing the dimming function.
  • a further technical problem to be solved by the present invention is to provide a vehicle headlamp whose shape is not affected by the realization of the dimming function.
  • the technical problem to be solved by the present invention is to provide a vehicle whose headlights have a reasonable shape layout and are not affected by the realization of the dimming function.
  • one aspect of the present invention provides a vehicle lamp lighting device, which includes a first optical element and a plurality of light source assemblies; the first optical element includes a plurality of optical units connected in sequence, each of the light source assemblies Each includes a light source; the optical units are in one-to-one correspondence with the light sources, and are arranged in a one-to-one correspondence such that the angle and/or distance between each of the light sources and the optical axis of the respective corresponding optical units can be Individual adjustment.
  • the vehicle lamp lighting device of the present invention further includes a second optical element; the second optical element corresponds to the light source assembly and the optical unit respectively, so as to be able to project the light emitted by each light source to On the corresponding optical unit.
  • the second optical element can project more light emitted by the light source onto the optical unit, which improves the utilization rate of light from the light source.
  • the second optical element is located between the light source assembly and the first optical element, and includes a light entrance and a light exit surface; the light entrance is adjacent to the corresponding light source, and the light exit surface faces The corresponding optical unit.
  • the light entrance can collect more light emitted by the light source and project it onto the optical unit through the light exit surface.
  • the vehicle lamp lighting device of the present invention further includes a bracket, the bracket is installed on the light source assembly, and the second optical element is installed on the bracket.
  • the installation stability of the second optical element is higher.
  • the second optical element is a condenser.
  • the concentrator is sold in various forms at low prices.
  • the vehicle lamp lighting device of the present invention further includes a radiator, and each light source assembly is installed on the radiator.
  • installing each of the light source components on the heat sink increases the heat dissipation effect of each light source component on the one hand, and on the other hand, the relative position between the light source components is more stable.
  • the first optical element is also mounted on the heat sink.
  • the first optical element is also mounted on the heat sink, and the relative position between the first optical element and the light source assembly and the second optical element is more stable. High, the adjustment is more accurate.
  • the bracket is provided with threaded connectors and positioning pins
  • the light source assembly includes a circuit board
  • the circuit board is provided with the light source
  • the heat sink is provided with a first A perforation and a positioning groove, and the diameter of the first perforation is greater than the thread diameter of the threaded connector, and the diameter of the positioning groove is greater than the diameter of the positioning pin
  • the first through hole and the second through hole are threadedly connected with the threaded connector to be connected together, and the positioning pin is inserted into the positioning groove through the positioning hole; or, the heat sink, the
  • the light source assembly and the bracket are fixedly connected to each other, the mounting bracket of the lamp body and the heat sink are respectively provided with a ball nut and a ball screw, and the ball screw is connected with the ball nut so that the light source
  • the vehicle lamp lighting device of the present invention further includes a pressure plate, the radiator
  • the first optical element is integrally formed by a plurality of the optical units.
  • the integrated optical unit has a more stable structure.
  • the optical unit is a plano-convex lens or a double-convex lens; the side of the optical unit away from the light source is flat or convex, and the side of each optical unit away from the light source smoothly transitions to form the first optical element The front surface.
  • the outer surface of the first optical element has a more beautiful shape and a smaller running resistance.
  • the second aspect of the present invention provides a vehicle headlamp, which includes the vehicle lamp lighting device provided in the first aspect of the present invention.
  • a third aspect of the present invention provides a vehicle, which includes the vehicle headlamp provided in the second aspect of the present invention.
  • the multiple optical units of the vehicle lamp lighting device of the present invention are sequentially connected as the first optical element, and the light is dimmed by multiple light source assemblies that can be adjusted independently, so that the position of the optical unit is not moved during the dimming process. Does not affect the overall shape and layout of the lights.
  • the use of the second optical element improves the utilization of light from the light source.
  • the use of the bracket improves the stability of the second optical element.
  • the design that the first optical element and the multiple light source assemblies are all mounted on the same heat sink improves the stability of the relative position between the light source assembly and the optical unit.
  • the relative position of the light source assembly on the radiator is adjusted by moving the relative position between the first perforation and the second perforation for dimming, which has a simple structure and convenient dimming.
  • the smooth structure of the outer surface of the first optical element makes the shape more beautiful and reduces driving resistance and noise.
  • the vehicle headlamp of the present invention has the same advantages because it adopts the vehicle lamp lighting device of the present invention.
  • the vehicle of the present invention adopts the headlight of the present invention and also has the above advantages.
  • Figure 1 is a schematic diagram of a car lamp layout in the prior art
  • Fig. 2 is a schematic diagram of the layout of the car lights shown in Fig. 1 after dimming;
  • Fig. 3 is a schematic structural diagram of an embodiment of the vehicle lamp lighting device of the present invention.
  • Figure 4 is a front view of Figure 3;
  • Figure 5 is a side view of Figure 3;
  • Figure 6 is a rear view of Figure 3;
  • FIG. 7 is a three-dimensional schematic diagram of an embodiment of the vehicle lamp lighting device of the present invention without the first optical element
  • Figure 8 is a partial enlarged view of part A in Figure 7;
  • Figure 9 is an exploded schematic view of some parts in Figure 7;
  • Figure 10 is a partial enlarged view of part B in Figure 9;
  • Fig. 11 is another perspective view of Fig. 9;
  • Figure 12 is a partial enlarged view of part C in Figure 11;
  • FIG. 13 is a schematic diagram of a first optical element in the vehicle lamp lighting device of the present invention.
  • FIG. 14 is a schematic diagram of another first optical element in the vehicle lamp lighting device of the present invention.
  • 15 is a schematic diagram of the third type of first optical element in the vehicle lamp lighting device of the present invention.
  • the second optical element 61 optical entrance
  • the orientation or positional relationship indicated by the direction words used such as "front, rear” is based on the vehicle lamp lighting device of the present invention or the vehicle headlight installed on the vehicle. , In accordance with the orientation or positional relationship indicated by the orientation of the vehicle under normal driving conditions.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the term “first” and “second” are limited to The “one” and “second” features may explicitly or implicitly include one or more of the features.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection.
  • the connection may be an integral connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be a communication between two elements or an interaction relationship between two elements.
  • an embodiment of the vehicle lamp lighting device of the present invention includes a first optical element 3 and a plurality of light source assemblies 4.
  • the multiple optical units 31 are sequentially connected to form the first optical element 3 according to the requirements of the design shape.
  • Each light source assembly 4 is provided with a light source 41.
  • the light source 41 may be composed of a single or multiple LED particles.
  • the multiple light source assemblies 4 are arranged one to one behind the multiple optical units 31, and the light source 41 is kept in the corresponding optical unit.
  • the unit 31 is located directly behind. The light emitted by each light source 41 is directed to the corresponding optical unit 31 and projected out through the optical unit 31 to form an illumination area. Multiple lighting areas are combined to form a complete car light shape.
  • each light source assembly 4 can be adjusted independently, so that the angle and/or distance between each light source 41 and the optical axis of the corresponding optical unit 31 can be changed accordingly, so as to independently adjust the output of each light source 41
  • the illuminating area generated by the light passing through the corresponding optical unit 31 is projected.
  • the adjustment of the position of the light source assembly 4 can be achieved by adjusting the installation position of the light source assembly 4, and can also be achieved by adjusting the installation angle of the light source assembly 4. The specific implementation manner is further described later.
  • the position of each lighting area can be adjusted to form an accurate and complete vehicle light shape, that is, the dimming of the vehicle light.
  • the adjustment of the first optical element 3 is not involved in the dimming process, it does not affect the appearance of the vehicle light illuminating device of the present invention, so that the vehicle light illuminating device of the present invention can keep the design shape unchanged.
  • the optical units 31 can be designed to be more compact, so as to reduce the space occupation of the vehicle lamp lighting device of the present invention.
  • a second optical element 6 is further provided in the vehicle lamp lighting device of the present invention.
  • the second optical element 6 can use a variety of light guide devices made of transparent materials, such as optical fiber, an organic polymer transparent material, or a column or strip light guide device made of glass.
  • the second optical elements 6 are respectively arranged in a one-to-one correspondence with the light source assembly 4 and the optical unit 31, and the light emitted by each light source 41 is projected onto the corresponding optical unit 31 through the second optical element 6.
  • the second optical element 6 can limit the incident light to be projected within its own range, and can project more light emitted by the light source 41 onto the corresponding optical unit 31.
  • the second optical element 6 includes a light entrance 61 and a light exit surface 62.
  • the second optical element 6 is arranged between the light source assembly 4 and the first optical element 3.
  • the light entrance 61 is adjacent to the corresponding light source 41 to collect more light emitted by the light source 41; the light exit surface 62 faces the corresponding optical unit 31 to better project the light to the optical unit 31.
  • the vehicle lamp lighting device of the present invention is further provided with a bracket 7, the bracket 7 is installed on the light source assembly 4, and the second optical element 6 is installed on the bracket 7. , And keep the second optical element 6 stably located between the light source assembly 4 and the first optical element 3.
  • the second optical element 6 adopts a condenser.
  • the concentrator is made by injection molding of transparent polymer material.
  • the finished products with various structural forms are sold on the market, and they can also be customized according to the required shape. The price is low and easy to obtain.
  • the vehicle lamp lighting device of the present invention further includes a radiator 5, which is arranged independently and spaced apart from each vehicle lamp lighting unit in the prior art.
  • the radiator is different.
  • the car lamp lighting device of the present invention is provided with only one integral radiator 5.
  • a plurality of light source assemblies 4 are independently installed on the radiator 5, and the light source assembly 4 on the radiator 5 can be independently adjusted Installation location.
  • the heat sink since only the light source assembly 4 and the second optical element 6 and bracket 7 installed on the light source assembly 4 need to be adjusted in position, but the heat sink does not need to adjust the position, the heat sink adopts an integral structure, thus On the basis of reducing the space occupied by the radiator, the material volume of the radiator is increased, and the heat dissipation effect of the radiator is improved.
  • the first optical element 3 is also mounted on the heat sink 5.
  • the integral form of the first optical element 3 is directly mounted on the integral form of heat sink.
  • the integral form of the first optical element in this embodiment 3 The multiple optical units 31 are mounted on the heat sink 5 by only one installation, which reduces the installation error.
  • the bracket 7 is provided with a threaded connector 71 and a positioning pin 72;
  • the light source assembly 4 includes a circuit board 42, and a light source 41
  • the circuit board 42 is provided with a second perforation 421 and a positioning hole 422;
  • the heat sink 5 is provided with a first perforation 51 and a positioning groove 52, and the diameter of the first perforation 51 is larger than the thread of the threaded connector 71
  • the diameter of the positioning groove 52 is larger than the diameter of the positioning pin 72.
  • the screw 8 passes through the first perforation 51 and the second perforation 421 in sequence and screwed to the threaded connector 71 to connect the bracket 7, the light source assembly 4 and the heat sink 5 together. Since the diameter of the first perforation 51 is larger than the thread diameter of the threaded connector 71, that is, larger than the thread diameter of the screw 8, before the screw 8 is tightened, the circuit board 42 can move relatively on the heat sink 5 to realize the adjustment of this embodiment. After the screw 8 is tightened, the position between the two is fixed to keep the light shape stable after dimming.
  • the positioning pin 72 is inserted into the positioning slot 52 through the positioning hole 422, and the positioning pin 72 is matched with the positioning hole 422, so that the position of the bracket 7 installed on the circuit board 42 is accurately positioned and has high stability. Due to the large diameter of the positioning groove 52, the positioning pin 72 can move in the positioning groove 52, so that the relative position between the bracket 7 and the heat sink 5 can be adjusted.
  • the head of the screw 8 covers the entire first through hole 51 so that the screw 8 can stably fix the heat sink 5.
  • the screw 8 can be a flange face screw, or a common screw with a gasket for use.
  • the radiator 5, the light source assembly 4, and the bracket 7 are fixedly connected to each other to form a whole, and the mounting bracket for installing the vehicle lamp lighting device of the present invention in the lamp body and the radiator 5 are respectively provided with The ball nut and the ball screw, the ball screw and the ball nut are connected.
  • the first optical element 3 is also fixed to the mounting bracket, so that the angle between the light source assembly 4 and the optical axis of the respective optical unit 31 can be adjusted.
  • the vehicle lamp lighting device of the present invention further includes a pressing plate, a screw hole is provided on the radiator, a round hole is arranged on the pressing plate, and a bolt passes through the round hole to connect with the screw hole.
  • the light source assembly 4 is fixed between the pressing plate and the heat sink 5. Loosen the bolts to adjust the position of the light source assembly 4 relative to the radiator 5, and tighten the bolts to fix the relative position of the two.
  • the first optical element 3 is integrally formed by a plurality of optical units 31.
  • the structural strength of the first optical element 3 is higher and the optical The positional stability between the units 31 is better.
  • the optical unit 31 may adopt a plano-convex lens or a double-convex lens; when a plano-convex lens is used, the side of the optical unit 31 away from the light source 41 may be a flat surface. It can also be convex.
  • the surface of each optical unit 31 away from the light source 41 smoothly transitions to form the front surface of the first optical element 3.
  • the side of each optical unit 31 close to the light source 41 can also smoothly transition to form the rear surface of the first optical element 3. This makes the shape of the vehicle lamp lighting device of the present invention smoother.
  • the vehicle headlight and the vehicle of the present invention adopt the vehicle light illuminating device and the vehicle headlight of the present invention, and thus also have the beneficial effects of the vehicle light illuminating device of the above embodiment.
  • the description with reference to the terms “one embodiment”, “some embodiments”, “one embodiment”, etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in In at least one embodiment or example of the present invention.
  • the schematic representation of the above-mentioned terms does not necessarily refer to the same embodiment or example.
  • the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种车灯照明装置、车辆前照灯及车辆，车灯照明装置包括：第一光学元件（3）和多个光源组件（4），第一光学元件（3）包括依次连接的多个光学单元（31），各光源组件（4）均包括光源（41），光学单元（31）分别与光源（41）一一对应，使得光源（41）相对于对应的光学单元（31）的光轴之间的角度和/或距离能够单独调节，车灯照明装置中的多个光源组件（4）的位置能够单独地调节，因而能够保持各光学单元（31）固定在造型设计的位置，车灯照明装置的结构紧凑，体积较小。

Description

车灯照明装置、车辆前照灯及车辆 技术领域
本发明涉及车辆照明***，具体地涉及一种车灯照明装置。本发明还涉及一种车辆前照灯和一种车辆。
背景技术
车灯的造型越来越多样化，在车辆前照灯方面，出现了一种通过分散设置的多个车灯照明单元以一定的形式排列而构成一个整体前照灯的造型，即车灯照明分散设置为多个车灯照明单元，产生多个照明区域，而由多个车灯照明单元组合成一个前照灯，多个照明区域组合成一个照明光形。这样的车灯造型更加灵动，设计灵活性更高，可以根据不同车辆对车灯造型的要求，将出光部按照一定的排布形式进行设置，比如沿某直线形式进行排布，或者沿弯折线形式进行排布，亦或者沿曲线形式进行排布等等。
但上述前照灯由多个独立的车灯照明单元构成，由于各个车灯照明单元在零件制造和安装上存在公差，该车灯的各个照明单元之间需要比较复杂的调光校准，校准各个车灯照明单元之间的光形位置，形成准确的完整车灯光形。通常每一个车灯照明单元单独设置调光机构用于调光。例如如图1所示的车灯，按车灯造型要求，设置有六个按斜向直线等距离规则排列的车灯照明单元1，照明支架2相对车灯的灯体固定不动，各个车灯照明单元1均设置于该照明支架2上，图1所示的位置是设计状态。但由于零件制造和安装偏差的存在，每个车灯照明单元1的光形相对于设计位置都具有一定的偏差，需要通过调光机构对各个车灯照明单元1在照明支架2上的位置进行上下左右的调整，使得多个车灯照明单元1产生的照明区域组合成符合要求的完整车灯光形。经过调光之后，各个车灯照明单元1的 位置就偏离了设计状态的位置，如图2所示，各个车灯照明单元1不再是沿着斜向直线等距离规则排列，排列比较凌乱且距离不等，导致经调光以后的车灯满足不了车灯的造型设计要求。
另外，现有的车灯照明单元通常由包括散热器、线路板、光源、初级光学元件、次级光学元件以及相关的固定支架构成一个总成，各个总成在调光机构的调节下可以上下左右移动或摆动。因此，各个车灯照明单元之间需要留有一定的距离以满足调光需要，即各车灯照明单元需要相互独立且间隔设置，这就导致整个车灯照明装置的整体尺寸较大，占用空间大。
发明内容
本发明所要解决的技术问题是提供一种车灯照明装置，在有效实现调光功能的同时，不影响车灯的整体造型布局。
本发明进一步所要解决的技术问题是提供一种车辆前照灯，该前照灯的造型不受调光功能实现的影响。
此外，本发明还要解决的技术问题是提供一种车辆，该车辆的前照灯的造型布局合理，且不受调光功能实现的影响。
为了解决上述技术问题，本发明一方面提供了一种车灯照明装置，包括第一光学元件和多个光源组件；所述第一光学元件包括依次连接的多个光学单元，各所述光源组件均包括光源；所述光学单元分别与所述光源一一对应，且一一对应地设置为使得各个所述光源相对于各自对应的所述光学单元的光轴之间的角度和/或距离能够单独调节。
优选地，本发明的车灯照明装置还包括第二光学元件；所述第二光学元件分别与所述光源组件和所述光学单元一一对应，以能够将各所述光源发出的光线投射到相应的所述光学单元上。在该优选技术方案中，所述第二光学元件能够把所述光源发出的更多光线投射到所述光学单元上，提高光源光线的利用率。
进一步优选地，所述第二光学元件位于所述光源组件与所述第一光学元件之间，包括入光口和出光面；所述入光口邻近相应的所述光源，所述出光面朝向相应的所述光学单元。通过该优选技术方案，所述入光口能够收集更多的所述光源发出的光线，并通过所述出光面投射到所述光学单元上。
进一步地，本发明的车灯照明装置还包括支架，所述支架安装在所述光源组件上，所述第二光学元件安装在所述支架上。在该优选技术方案中，通过所述支架安装所述第二光学元件，所述第二光学元件的安装稳定性更高。
优选地，所述第二光学元件为聚光器。在该优选技术方案中，所述聚光器有多种形式的商品出售，且价格低廉。
优选地，本发明的车灯照明装置还包括散热器，各所述光源组件均安装在所述散热器上。通过该优选技术方案，将各个所述光源组件安装在所述散热器上，一方面增加了各所述光源组件的散热效果，另一方面，各所述光源组件之间的相对位置更加稳定。
优选地，所述第一光学元件也安装在所述散热器上。在该优选技术方案中，将所述第一光学元件也安装在所述散热器上，所述第一光学元件与所述光源组件和所述第二光学元件之间的相对位置的稳定性更高，调节也更加准确。
具体地，所述支架上设置有螺纹连接件和定位销，所述光源组件包括线路板，所述线路板上设置有所述光源、第二穿孔和定位孔，所述散热器上设置有第一穿孔和定位槽，且所述第一穿孔的直径大于所述螺纹连接件的螺纹直径，所述定位槽的直径大于所述定位销的直径；所述支架、光源组件和散热器通过螺钉穿过所述第一穿孔、第二穿孔与所述螺纹连接件螺纹连接而连接在一起，且所述定位销穿过所述定位孔***所述定位槽中；或者，所述散热器、所述光源组件和所述支架相互固定连接，灯体的安装 支架和所述散热器上分别设置有球头螺母和球头螺杆，所述球头螺杆与所述球头螺母相连接，使得所述光源组件与各自对应的所述光学单元的光轴之间的角度能够调节；或者，本发明的车灯照明装置还包括压板，所述散热器上设置有螺孔，所述压板上设置有圆孔，通过螺栓穿过圆孔与所述螺孔相连接，以使得所述光源组件固定在所述压板与所述散热器之间。在该优选技术方案中，所述光源组件与所述散热器的相对位置和/或角度可以调节，以调节所述光源组件上的所述光源发出的光线经相应的所述光学单元投射所产生的照明区域。
优选地，所述第一光学元件由多个所述光学单元一体成形。在该优选技术方案中，一体成形的所述光学单元，结构更稳定。
优选地，所述光学单元为平凸透镜或双凸透镜；所述光学单元远离所述光源的一面为平面或者凸面，且各所述光学单元远离所述光源的一面平滑过渡形成所述第一光学元件的前表面。通过该优选技术方案，所述第一光学元件的外表面造型更优美，行驶阻力更小。
本发明第二方面提供了一种车辆前照灯，该车辆前照灯包括本发明第一方面所提供的车灯照明装置。
本发明第三方面提供了一种车辆，该车辆包括本发明第二方面所提供的车辆前照灯。
通过上述技术方案，本发明的车灯照明装置的多个光学单元依次连接为第一光学元件，通过能够独立调节的多个光源组件来调光，使得调光过程不移动光学单元的位置，因而不影响车灯的整体造型布局。第二光学元件的使用提高了光源光线的利用率。支架的使用提高了第二光学元件的稳定性。第一光学元件和多个光源组件均安装在同一个散热器上的设计提高了光源组件和光学单元之间相对位置的稳定性。通过第一穿孔与第二穿孔之间相对位置的移动来调节光源组件在散热器上的相对位置进行调光的方式，结构简单，调光方便。第一光学元件的外表面的平滑结构，造型更优 美，同时降低了行驶阻力和噪音。
本发明的车辆前照灯由于采用了本发明的车灯照明装置，因而具有同样的优点。
本发明的车辆采用了本发明的前照灯，也具有上述优点。
本发明的其他特征和优点将在随后的具体实施方式部分予以详细说明。
附图说明
图1是现有技术的一种车灯布局示意图；
图2是图1所示的车灯调光后布局示意图；
图3是本发明的车灯照明装置实施例的结构示意图；
图4是图3的前视图；
图5是图3的侧视图；
图6是图3的后视图；
图7是本发明的车灯照明装置实施例不含第一光学元件的立体示意图；
图8是图7中A部分局部放大图；
图9是图7中部分零件分解示意图；
图10是图9中B部分局部放大图；
图11是图9另一个角度立体示意图；
图12是图11中C部分局部放大图；
图13是本发明的车灯照明装置中一种第一光学元件示意图；
图14是本发明的车灯照明装置中另一种第一光学元件示意图；
图15是本发明的车灯照明装置中第三种第一光学元件示意图。
附图标记说明
1      车灯照明单元       2    照明支架
3        第一光学元件           31       光学单元
4        光源组件               41       光源
42       线路板                 421      第二穿孔
422      定位孔                 5        散热器
51       第一穿孔               52       定位槽
6        第二光学元件           61       入光口
62       出光面                 7        支架
71       螺纹连接件             72       定位销
8        螺钉
具体实施方式
在本发明中，在未作相反说明的情况下，使用的方位词如“前、后”所指示的方位或位置关系是基于本发明的车灯照明装置或者车辆前照灯安装到车辆上后，按照车辆的正常行驶状态下的方位所指示的方位或位置关系。
在本说明书中，术语“第一”、“第二”仅用于描述的目的，而不能理解为指示或暗示相对重要性或隐含指明所指示的技术特征的数量，因此，限定有“第一”、“第二”的特征可以明示或隐含地包括一个或更多个所述特征。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“设置”或“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或者是一体连接；可以是直接连接，也可以是通过中间媒介间接连接，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
下面结合附图对本发明的具体实施方式进行详细说明，应当理解的是， 此处所描述的具体实施方式仅用于说明和解释本发明，本发明的保护范围并不局限于下述的具体实施方式。
如图3到图5所示，本发明的车灯照明装置的一个实施例，包括第一光学元件3和多个光源组件4。多个光学单元31按照设计造型的要求依次连接形成了第一光学元件3。各光源组件4上均设置有光源41，光源41可以由单个或者多个LED颗粒组成，多个光源组件4一一对应地设置在多个光学单元31的后方，并保持光源41位于相应的光学单元31的正后方所在的范围内。每个光源41所发出的光线射向相应的光学单元31，并经光学单元31投射出去，形成一个照明区域。多个照明区域组合在一起成完整的车灯光形。每个光源组件4的位置能够独立地调节，使得各个光源41相对于各自对应的光学单元31的光轴之间的角度和/或距离能够产生相应地改变，以独立地调节各个光源41发出的光线经过相应的光学单元31投射后所产生的照明区域。光源组件4位置的调节可以通过调节光源组件4的安装位置来实现，也可以通过调节光源组件4的安装角度来实现，具体的实现方式在后文中进一步描述。通过对每个光源组件4的调节，可以调节每个照明区域的位置从而形成准确的完整的车灯光形，也就是车灯的调光。由于该调光过程中不涉及第一光学元件3的调节，因而不影响本发明的车灯照明装置的外形，使得本发明的车灯照明装置能够保持设计造型不变。同时，由于各光学单元31之间的位置不需要调节，能够将各光学单元31设计得较为紧凑，以减小本发明的车灯照明装置的空间占用。
作为本发明的一个实施例，如图7至12所示，本发明的车灯照明装置中还设置有第二光学元件6。第二光学元件6可以使用透明材料制成的多种导光器件，如光导纤维、有机高分子透明材料或玻璃制成的柱状或条索状导光器件。第二光学元件6分别与光源组件4和光学单元31一一对应地设置，各光源41发出的光线通过第二光学元件6投射到相应的光学单元31上。第二光学元件6能够将射入的光线限制在其本身的范围内进行投射， 能够将光源41发出的光线更多地投射到对应的光学单元31上。
在本发明的一些实施例中，如图8、图10和图12所示，第二光学元件6包括入光口61和出光面62。第二光学元件6设置在光源组件4与第一光学元件3之间。入光口61邻近相应的光源41，以更多地收集光源41所发出的光线；出光面62朝向相应光学单元31，以将光线更好的向光学单元31进行投射。
在本发明的一些实施例中，如图8到图12所示，本发明的车灯照明装置中还设置有支架7，支架7安装在光源组件4上，第二光学元件6安装在支架7上，并保持第二光学元件6稳定地位于光源组件4与第一光学元件3之间。
在本发明的一些实施例中，第二光学元件6采用聚光器。聚光器采用透明高分子材料注塑而成，市场上具有多种结构形式的成品出售，也可以根据所需要的形状进行定制，价格低廉，获取方便。
在本发明的一些实施例中，如图5到图12所示，本发明的车灯照明装置中还包括散热器5，与现有技术中的每个车灯照明单元独立且间隔地设置多个散热器件不同，本发明的车灯照明装置设置仅一个整体的散热器5，多个光源组件4均独立地安装在散热器5上，并且可以独立地调节光源组件4在散热器5上的安装位置。在该实施例中，由于只有光源组件4和安装在光源组件4上的第二光学元件6、支架7需要调节位置，而散热器不需要调节位置，散热器采用了一个整体的结构，从而在减小了散热器空间占用的基础上增加了散热器的材料体积，提高了散热器的散热效果。
在本发明的一些实施例中，如图3、图5所示，第一光学元件3也安装在散热器5上。整体形式的第一光学元件3直接安装在整体形式的散热器上，相比现有技术中多个第一光学元件分别安装在各自的散热器上，本实施例中整体形式的第一光学元件3仅通过一次安装将多个光学单元31安装在散热器5上，减小了安装误差。
在本发明的一些实施例中，作为其中的一种实施方式，如图9到图12所示，支架7上设置有螺纹连接件71和定位销72；光源组件4包括线路板42，光源41设置在线路板42上，线路板42上设置有第二穿孔421和定位孔422；散热器5上设置有第一穿孔51和定位槽52，且第一穿孔51直径大于螺纹连接件71的螺纹直径，定位槽52的直径大于定位销72的直径。螺钉8依次穿过第一穿孔51、第二穿孔421与螺纹连接件71螺纹配合拧紧，将支架7、光源组件4和散热器5连接在一起。由于第一穿孔51的直径大于螺纹连接件71的螺纹直径，也就是大于螺钉8的螺纹直径，在螺钉8拧紧以前，线路板42可以在散热器5上相对移动，来实现本实施例的调光，而螺钉8拧紧以后，二者之间的位置就固定下来，以保持调光后光形的稳定。定位销72穿过定位孔422***定位槽52中，定位销72与定位孔422相配合，使得支架7安装在线路板42上的位置定位准确，稳定性高。由于定位槽52的直径较大，定位销72能够在定位槽52中移动，使得支架7与散热器5之间的相对位置能够调节。螺钉8的头部覆盖整个第一穿孔51，使得螺钉8能够稳定地固定散热器5。螺钉8可以采用法兰面螺钉，也可以采用普通螺钉套上垫片来使用。
作为其中的另一种实施方式，散热器5、光源组件4和支架7相互固定连接形成一个整体，灯体中用于安装本发明的车灯照明装置的安装支架和散热器5上分别设置有球头螺母和球头螺杆，球头螺杆与球头螺母相连接。第一光学元件3也与该安装支架相固定，使得光源组件4与各自对应的光学单元31的光轴之间的角度能够调节。
在其中的另一种实施方式中，本发明的车灯照明装置还包括压板，散热器上设置有螺孔，压板上设置有圆孔，通过螺栓穿过圆孔与螺孔相连接，通过压板将光源组件4固定在压板与散热器5之间。松开螺栓，可以调节光源组件4相对于散热器5的位置，拧紧螺栓，可以固定二者的相对位置。
在本发明的一些实施例中，如图3到图5和图13到图15所示，第一 光学元件3由多个光学单元31一体成形，第一光学元件3的结构强度更高，光学单元31间的位置稳定性更好。
在本发明的一些实施例中，如图13到图15所示，光学单元31可以采用平凸透镜，也可以采用双凸透镜；在采用平凸透镜时，光学单元31远离光源41的一面可以为平面，也可以为凸面。各光学单元31远离光源41的一面平滑过渡形成第一光学元件3的前表面。当然，各光学单元31靠近光源41的一面也可以平滑过渡形成第一光学元件3的后表面。这使得本发明的车灯照明装置的造型更加流畅。
本发明的车辆前照灯和车辆，由于采用了本发明的车灯照明装置和车辆前照灯，因而也具有上述实施例的车灯照明装置的有益效果。
在本发明的描述中，参考术语“一个实施例”、“一些实施例”、“一种实施方式”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本发明中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上结合附图详细描述了本发明的优选实施方式，但是，本发明并不限于此。在本发明的技术构思范围内，可以对本发明的技术方案进行多种简单变型，包括各个具体技术特征以任何合适的方式进行组合，为了避免不必要的重复，本发明对各种可能的组合方式不再另行说明。但这些简单变型和组合同样应当视为本发明所公开的内容，均属于本发明的保护范围。

Claims (12)

  1. 一种车灯照明装置，其特征在于，包括第一光学元件(3)和多个光源组件(4)；所述第一光学元件(3)包括依次连接的多个光学单元(31)，各所述光源组件(4)均包括光源(41)；所述光学单元(31)分别与所述光源(41)一一对应，且一一对应地设置为使得各个所述光源(41)相对于各自对应的所述光学单元(31)的光轴之间的角度和/或距离能够单独调节。
  2. 根据权利要求1所述的车灯照明装置，其特征在于，还包括第二光学元件(6)；所述第二光学元件(6)分别与所述光源组件(4)和所述光学单元(31)一一对应，以能够将各所述光源(41)发出的光线投射到相应的所述光学单元(31)上。
  3. 根据权利要求2所述的车灯照明装置，其特征在于，所述第二光学元件(6)位于所述光源组件(4)与所述第一光学元件(3)之间，包括入光口(61)和出光面(62)；所述入光口(61)邻近相应的所述光源(41)，所述出光面(62)朝向相应的所述光学单元(31)。
  4. 根据权利要求3所述的车灯照明装置，其特征在于，还包括支架(7)，所述支架(7)安装在所述光源组件(4)上，所述第二光学元件(6)安装在所述支架(7)上。
  5. 根据权利要求2至4中任一项所述的车灯照明装置，其特征在于，所述第二光学元件(6)为聚光器。
  6. 根据权利要求1至4中任一项所述的车灯照明装置，其特征在于，还包括散热器(5)，各所述光源组件(4)均安装在所述散热器(5)上。
  7. 根据权利要求6所述的车灯照明装置，其特征在于，所述第一光学元件(3)也安装在所述散热器(5)上。
  8. 根据权利要求6所述的车灯照明装置，其特征在于，所述支架(7)上设置有螺纹连接件(71)和定位销(72)，所述光源组件(4)包括线路板(42)，在所述线路板(42)上设置有所述光源(41)、第二穿孔(421)和定位孔(422)，所述散热器(5)上设置有第一穿孔(51)和定位槽(52)，且所述第一穿孔(51)直径大于所述螺纹连接件(71)的螺纹直径，所述定位槽(52)的直径大于所述定位销(72)的直径；所述支架(7)、光源组件(4)和散热器(5)通过螺钉(8)穿过所述第一穿孔(51)、第二穿孔(421)与所述螺纹连接件(71)螺纹连接而连接在一起，且所述定位销(72)穿过所述定位孔(422)***所述定位槽(52)中；或者，
    所述散热器(5)、所述光源组件(4)和所述支架(7)相互固定连接，灯体的安装支架和所述散热器(5)上分别设置有球头螺母和球头螺杆，所述球头螺杆与所述球头螺母相连接，使得所述光源组件(4)与各自对应的所述光学单元(31)的光轴之间的角度能够调节；或者，
    还包括压板，所述散热器(5)上设置有螺孔，所述压板上设置有圆孔，通过螺栓穿过圆孔与所述螺孔相连接，以使得所述光源组件(4)固定在所述压板与所述散热器(5)之间。
  9. 根据权利要求1至4中任一项所述的车灯照明装置，其特征在于，所述第一光学元件(3)由多个所述光学单元(31)一体成形。
  10. 根据权利要求9所述的车灯照明装置，其特征在于，所述光学单元(31)为平凸透镜或双凸透镜；所述光学单元(31)远离所述光源(41)的一面为平面或者凸面，且各所述光学单元(31)远离所述光源(41)的一面平滑过渡形成所述第一光学元件(3)的前表面。
  11. 一种车辆前照灯，其特征在于，包括权利要求1至10中任一项所述的车灯照明装置。
  12. 一种车辆，其特征在于，包括权利要求11所述的车辆前照灯。
PCT/CN2019/110989 2019-06-28 2019-10-14 车灯照明装置、车辆前照灯及车辆 WO2020258591A1 (zh)

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