WO2023035137A1 - 一种车用液晶投影灯及车辆 - Google Patents

一种车用液晶投影灯及车辆 Download PDF

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Publication number
WO2023035137A1
WO2023035137A1 PCT/CN2021/117131 CN2021117131W WO2023035137A1 WO 2023035137 A1 WO2023035137 A1 WO 2023035137A1 CN 2021117131 W CN2021117131 W CN 2021117131W WO 2023035137 A1 WO2023035137 A1 WO 2023035137A1
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WIPO (PCT)
Prior art keywords
liquid crystal
module
lens
vehicle
lens module
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PCT/CN2021/117131
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English (en)
French (fr)
Inventor
郝丽霞
娄龙海
郭岩峰
陈晓磊
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浙江智马达智能科技有限公司
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Application filed by 浙江智马达智能科技有限公司 filed Critical 浙江智马达智能科技有限公司
Priority to CN202180082247.0A priority Critical patent/CN116615354A/zh
Priority to PCT/CN2021/117131 priority patent/WO2023035137A1/zh
Publication of WO2023035137A1 publication Critical patent/WO2023035137A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • 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
    • F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
    • F21S41/64—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices

Definitions

  • the invention relates to the technical field of vehicles, in particular to a liquid crystal projection lamp for a vehicle and a vehicle.
  • vehicle infotainment systems have become robust and capable of interfacing with various mobile computing devices to allow users to consume various types of media, including music and video, within the vehicle.
  • Motor vehicles are used more and more as one of the devices available for recreation and entertainment. Users are no longer satisfied with the projection of conventional customized LOGOs, nor are they satisfied with the projection of black and white pictures.
  • the existing vehicles are equipped with projectors that project patterns on the ground and walls outside the vehicle.
  • DLP projection devices have high cost and high risk of chip supply, making it difficult to become a popular configuration.
  • the present invention aims to solve at least one of the technical problems existing in the prior art.
  • the first aspect of the present invention proposes a liquid crystal projection lamp for vehicles, including a drive module, an imaging lens module, an input lens module, a light source and a lamp housing;
  • the drive module includes a drive board and a liquid crystal screen, the drive board is used to send the projection data received from the vehicle controller to the liquid crystal screen; the liquid crystal screen is used to display the projection image corresponding to the projection data
  • the imaging lens module is used to amplify the projection image and output the amplified projection image; the light source can be turned on and/or off in response to the control command of the drive board;
  • the input lens module is arranged between the light source and the imaging lens module, and the liquid crystal screen is arranged between the input lens module and the imaging lens module; the driving module, the imaging lens module and The input lens modules are all accommodated in the lamp housing, and a limit structure matching the driving module, the imaging lens module and the input lens module is arranged in the lamp housing.
  • the driving board includes a signal input terminal and a signal output terminal; the signal output terminal is respectively connected to the liquid crystal screen and the light source.
  • the drive module further includes a drive housing, the drive housing is a cavity provided with a first opening and a second opening, the cavity is used to accommodate and fix the drive plate, the first The opening is used for passing the signal output end, and the second opening is used for passing the signal input end.
  • the driving module includes a plurality of driving boards, and the driving boards are connected to each other.
  • the liquid crystal screen includes a transflective liquid crystal screen.
  • the imaging lens module includes a lens holder and an imaging lens group, the lens holder is used to support and limit the imaging lens group, the imaging lens group includes a plurality of imaging lenses, a plurality of the imaging lenses The optical axes of the lenses coincide.
  • the imaging lens module further includes an outer lens, the outer lens is arranged on the light output side of the imaging lens module, and the outer lens is connected to the lens holder.
  • the input lens includes an optical lens and a Fresnel lens
  • the optical axes of the optical lens, the Fresnel lens and the input lens coincide, the optical lens and the Fresnel lens are arranged at intervals, the optical lens is arranged close to the light source, and the FT Neel lenses are located close to the LCD screen.
  • a heat dissipation module is further included, the heat dissipation module is connected to the light source, the heat dissipation module is connected to the lamp housing, and the heat dissipation module is arranged outside the lamp housing.
  • the second aspect of the present invention provides a vehicle, including the liquid crystal projection lamp for a vehicle according to the first aspect of the present invention.
  • the embodiment of the present invention provides a liquid crystal projection lamp for a vehicle and the vehicle can project the image on the liquid crystal screen onto the ground, wall and other carriers in the form of imaging, and realize large-scale image projection by using a small-sized liquid crystal screen , Compared with the projection device using DPL imaging technology, the cost of the product is greatly reduced, and the performance is reliable, making it possible to become a popular configuration.
  • Fig. 1 is a perspective view of a liquid crystal projection lamp for a vehicle provided by an embodiment of the present invention
  • Fig. 2 is an exploded view of a liquid crystal projection lamp for a vehicle provided by an embodiment of the present invention
  • Fig. 3 is a schematic diagram of assembly of a drive module provided by an embodiment of the present invention.
  • FIG. 4 is a schematic assembly diagram of an imaging lens module provided by an embodiment of the present invention.
  • Fig. 5 is a schematic diagram of assembly of a lens and a driving module provided by an embodiment of the present invention
  • Fig. 6 is an exploded view of the light source and heat dissipation module provided by the embodiment of the present invention.
  • Fig. 7 is a schematic diagram of the relative positions of the lamp housing and the heat dissipation module provided by the embodiment of the present invention.
  • 11-drive board 12-LCD screen, 13-drive housing;
  • 5-lamp housing 6-heat dissipation module, 7-screw, 8-sealing ring.
  • FIG. 1 is a perspective view of a liquid crystal projection lamp for a vehicle provided by an embodiment of the present invention
  • Fig. 2 is an exploded view of a liquid crystal projection lamp for a vehicle provided by an embodiment of the present invention, specifically as shown in Fig. 1 and Fig. 2
  • a vehicle liquid crystal projection lamp provided by an embodiment of the present invention includes a driving module, an imaging lens module, an input lens module, a light source and a lamp housing 5 .
  • the vehicle-mounted projection lamp disclosed in the prior art directly adopts DLP projection technology, but DLP optical machine design is complicated, temperature resistance/vibration resistance is poor, cost is high, and it is an exclusive supplier, and the risk of chip supply is high.
  • Figure 3 is a schematic diagram of the assembly of the drive module provided by the embodiment of the present invention, please refer to Figure 3, Figure 3 (left) is the drive module in assembly, Figure 3 (right) is the assembled drive module, the drive module includes a drive board 11 And the liquid crystal screen 12, the driving board 11 is used to send the projection data received from the vehicle controller to the liquid crystal screen 12; the liquid crystal screen 12 is used to display the projection image corresponding to the projection data, preferably, the projection image is a color image;
  • the drive module also includes a drive housing 13, the drive housing 13 is used to fix and wrap the drive board 11, in order to make the liquid crystal projection lamp for the vehicle work in various environments, for example, sandy weather , rainy days, etc., can work normally.
  • the driving housing 13 has the effect of dustproof and waterproof.
  • the dustproof and water-proof grade of the driving housing 13 is IP67.
  • the drive housing 13 may be a cavity provided with a first opening and a second opening, the cavity is used to accommodate and fix the drive board 11, the first opening is used for the signal output end to pass through, and the second opening is used for the signal input end through.
  • the driving housing 13 can also adopt other shapes that can be used to fix and wrap the driving board 11 , and this embodiment is not limited thereto.
  • the driving board 11 can be divided into multiple blocks, and the block layout is adopted to make full use of/adapt to the space.
  • Fig. 3 shows the situation that the driving module comprises two driving boards 11, and the two driving boards 11 are interconnected, in other embodiments, the number of driving boards 11 of the driving module can also be set to other positive integer values, For example, 3 blocks, 4 blocks, etc., which are not limited in this embodiment.
  • Adopting the block layout can reduce the requirement for the installation space of the liquid crystal projection lamp, so that the liquid crystal projection lamp can also be applied in the area with limited installation space on the vehicle, such as the rearview mirror.
  • the driving board 11 includes a signal input terminal and a signal output terminal.
  • the driving board 11 realizes communication with the vehicle controller and controls the liquid crystal screen 12 and the light source through the signal input terminal and the signal output terminal.
  • the signal input terminal may be a connector protruding from the drive board 11, the connector is connected to the vehicle controller through a wire harness, and the signal input terminal communicates with the vehicle controller through the CAN network, And accept the signal source input from the vehicle controller.
  • the signal source input can be CAN messages of pictures and/or small videos, so that the projection content is no longer limited to the preset LOGO and other fixed patterns.
  • the signal output end is connected with liquid crystal screen 12 and light source respectively, is used for image and small video input to liquid crystal sheet, and sends control signal to light source to provide the lighting condition needed for imaging.
  • the light source can be turned on and/or turned off in response to a control instruction from the driving board 11 .
  • the light source may be an LED light source, and other types of light sources may also be used herein according to actual needs.
  • the liquid crystal screen 12 adopts a semi-transmissive and semi-reflective liquid crystal screen 12, so that the light from the input lens module can pass through the liquid crystal sheet, and the image on the liquid crystal is displayed, that is, the image on the liquid crystal screen 12 is output to the imaging lens module.
  • the embodiment of the present invention also includes an imaging lens module, which is used to enlarge The projected image output by the liquid crystal screen 12 is amplified and then output to the light output side of the imaging lens module;
  • Figure 4 is a schematic diagram of the assembly of the imaging lens module provided by the embodiment of the present invention, please refer to Figure 4, Figure 4 (left) shows an exploded view of the bracket lower cover and imaging lens group 22, Figure 4 (middle) shows the bracket The assembly diagram of the lower cover and the imaging lens group 22, FIG. 4 (right) shows the assembled imaging lens module.
  • the imaging lens module includes a lens holder 21 and an imaging lens group 22.
  • the lens holder 21 is used to support and limit the imaging lens group 22.
  • the imaging lens group 22 includes a plurality of imaging lenses whose optical axes coincide.
  • the lens bracket 21 includes a bracket upper cover and a bracket lower cover, and the bracket upper cover and the bracket lower cover of the lens bracket 21 cooperate with each other to fix and wrap the imaging lens group 22 .
  • the imaging lens module also includes an outer lens 23, the outer lens 23 is arranged on the light emitting side of the imaging lens module, the outer lens 23 is connected with the lens holder 21, the outer lens 23 is made of a light-transmitting material, and the outer lens 23 is used for outputting pictures, and Play the role of protecting the imaging lens module.
  • the input lens includes an optical lens 31 and a Fresnel lens 32; the input lens is used as the backlight source of the liquid crystal panel, and the LED point light source is scattered by the Fresnel lens 32 and the optical lens 31, wherein the optical lens 31 is used for the light emitted by the light source To convert into uniform light, the Fresnel lens 32 is used to convert the LED point light source into parallel light through the Fresnel lens 32 .
  • Optical patterns are designed on the Fresnel lens 32, the optical axes of the optical lens 31, the Fresnel lens 32 and the input lens coincide, the optical lens 31 and the Fresnel lens 32 are arranged at intervals, the optical lens 31, the Fresnel lens The setting position of 32 should meet the focus requirement.
  • the optical lens 31 is set close to the light source, and the Fresnel lens is set close to the liquid crystal screen 12 .
  • the optical lens 31 and the Fresnel lens 32 are fixed on the lens holder 21.
  • the distance between the optical lens 31 and the Fresnel lens 32 is not adjustable.
  • the magnification of the output image of the liquid crystal screen 12 is the same as that of the optical lens 31 and the Fresnel lens.
  • the lens 32 and the distance between the two are related.
  • the input lens module is arranged between the light source and the imaging lens module, and the liquid crystal screen 12 is arranged between the input lens module and the imaging lens module; the drive module, the imaging lens module and the input lens module are all contained in the lamp housing 5, and the lamp housing 5 A limit structure matching the drive module, the imaging lens module and the input lens module is arranged inside.
  • the lamp housing 5 includes a lamp housing upper cover and a lamp housing lower cover.
  • the lamp housing upper cover is provided with a first limit structure assembly for matching the shapes of the drive module, imaging lens module, input lens module, light source, etc.
  • the lamp housing The lower cover is provided with a second limit structure assembly for matching the shape of the drive module, imaging lens module, input lens module, light source, etc.
  • Figure 5 is a schematic diagram of the assembly of the lens and the drive module provided by the embodiment of the present invention, please refer to Figure 5,
  • Figure 5 (left) shows the relative positional relationship of the imaging lens module, the input lens module, the drive module and the lamp housing 5
  • the figure 5 (middle) shows the state during the assembly process.
  • the imaging lens module and the input lens module have been installed in the upper cover of the lamp housing, and the driving module is installed in the lower cover of the lamp housing.
  • the upper cover of the lamp housing and the lamp The lower cover of the housing has not been closed yet
  • Figure 5 (right) shows the assembled state, in which the upper cover of the lamp housing and the lower cover of the lamp housing have been closed.
  • the upper cover of the lamp housing and the lower cover of the lamp housing are clamped to each other, and after the clamping is completed, fast heat dissipation bolts are installed and fixed.
  • Figure 6 is an exploded view of the light source and heat dissipation module provided by the embodiment of the present invention, please refer to Figure 6, the liquid crystal projection lamp for vehicles provided by the embodiment of the present invention also includes a heat dissipation module 6, the heat dissipation module 6 is used to reduce the temperature of the light source, the light source and The cooling module 6 is connected.
  • the light source includes a light emitting diode 41 and a lamp bead board 42 for fixing the light emitting diode 41, the lamp bead board 42 is connected to the heat dissipation module 6 by screws 7, and a sealing ring 8 is also provided between the lamp bead board 42 and the heat dissipation module 6 , the effect of the sealing ring 8 is to make the cooling block and the body compressed and waterproof.
  • FIG. 7 is a schematic diagram of the relative positions of the lamp housing and the heat dissipation module provided by the embodiment of the present invention. Please refer to FIG. 7, specifically as shown in FIG. 7 , the heat dissipation module 6 is arranged at one end of the lamp housing 5 .
  • An embodiment of the present invention also provides a vehicle, including the liquid crystal projection lamp for a vehicle provided in the above embodiment.
  • vehicle of the present invention may be a truck, sport utility vehicle, van, RV, or any other type of vehicle without departing from the scope of the present disclosure.
  • the embodiment of the present invention can project the image on the liquid crystal screen onto the ground, wall and other carriers in the form of imaging, and adopt a small-sized liquid crystal Compared with the projection device using DPL imaging technology, the cost of the product is greatly reduced, and the performance is reliable, making it possible to become a popular configuration.
  • the program can be stored in a computer-readable storage medium.
  • the above-mentioned The storage medium mentioned may be a read-only memory, a magnetic disk or an optical disk, and the like.

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Abstract

一种车用液晶投影灯及车辆，投影灯包括驱动模块、成像镜头模块、输入镜头模块、光源和灯壳（5）；驱动模块包括驱动板（11）和液晶屏（12），驱动板（11）用于将从整车控制器接收到的投影数据发送给液晶屏（12）；液晶屏（12）用于显示投影数据对应的投影图像；成像镜头模组用于放大投影图像并输出放大后的投影图像；光源能够响应于驱动板（11）的控制指令点亮和/或关闭；输入镜头模块设置在光源与成像镜头模块之间，液晶屏（12）设置在输入镜头模块与成像镜头模块之间；驱动模块、成像镜头模块和输入镜头模块均容置于灯壳（5）内，灯壳（5）内设置有与驱动模块、成像镜头模块和输入镜头模块相匹配的限位结构。车用液晶投影灯与DPL投影装置相比成本低、性能可靠。

Description

一种车用液晶投影灯及车辆 技术领域
本发明涉及车辆技术领域，具体涉及一种车用液晶投影灯及车辆。
背景技术
随着车辆娱乐***配置越来越高，车辆信息娱乐***已经变得稳健，并且能够与各种移动计算设备对接以允许用户使用车辆内的各种类型的媒体，包括音乐和视频。机动车越来越多地用作可供消遣和娱乐的设备之一。用户不再满足于常规定制LOGO的投影，也不满足于黑白图片的投影，为解决这一问题，现有车辆上配置的将图案投影在设置于车辆外部的地面、墙面上的投影仪，大多直接采用DLP投影技术对图像和/或视频进行投影。然而，DLP投影装置具有成本高，芯片供应风险大，难以成为大众化配置。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明第一方面提出一种车用液晶投影灯，包括驱动模块、成像镜头模块、输入镜头模块、光源和灯壳；
所述驱动模块包括驱动板和液晶屏，所述驱动板用于将从整车控制器接收到的投影数据发送给所述液晶屏；所述液晶屏用于显示所述投影数据对应的投影图像；所述成像镜头模组用于放大所述投影图像并输出放大后的投影图像；所述光源能够响应于所述驱动板的控制指令点亮和/或关闭；
所述输入镜头模块设置在所述光源与所述成像镜头模块之间，所述液晶屏设置在所述输入镜头模块与所述成像镜头模块之间；所述驱动模块、所述成像镜头模块和所述输入镜头模块均容置于所述灯壳内，所述灯壳内设置有与所述驱动模块、所述成像镜头模块和所述输入镜头模块相匹配的限位结构。
进一步地，所述驱动板包括信号输入端和信号输出端；所述信号输出端分别与所述液晶屏和所述光源连接。
进一步地，所述驱动模块还包括驱动壳体，所述驱动壳体为设置有第一开口和第二开口的腔体，所述腔体用于容纳和固定所述驱动板，所述第一开口用于供所述信号输出端穿过，所述第二开口用于供所述信号输入端穿过。
进一步地，所述驱动模块包括多个驱动板，多个所述驱动板相互连接。
进一步地，所述液晶屏包括半透射半反射液晶屏。
进一步地，所述成像镜头模块包括透镜支架和成像透镜组，所述透镜支架用于对所述成像透镜组进行支撑和限位，所述成像透镜组包括多个成像透镜，多个所述成像透镜的光轴重合。
进一步地，所述成像镜头模块还包括外镜头，所述外镜头设置在所述成像镜头模块的出光侧，所述外镜头与所述透镜支架连接。
进一步地，所述输入镜头包括光透镜和菲涅尔透镜；
所述光透镜、所述菲涅尔透镜以及所述输入镜头三者的光轴重合，所述光透镜与所述菲涅尔透镜间隔设置，所述光透镜靠近所述光源设置，所述菲涅尔镜片靠近所述液晶屏设置。
进一步地，还包括散热模块，所述散热模块与所述光源连接，所述散热模块与所述灯壳连接，所述散热模块设置在所述灯壳外部。
本发明第二方面提出一种车辆，包括本发明第一方面所述的一种车用液晶投影灯。
本发明实施例提供的一种车用液晶投影灯及车辆能够将液晶屏上的图像以成像的形式投影到地面、墙面等载体上，采用小尺寸的液晶屏，实现了大尺寸的图像投影，与采用DPL成像技术的投影装置相比，大大降低了产品的成本，且性能可靠，使其成为大众化配置成为可能。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它附图。
图1是本发明实施例提供的一种车用液晶投影灯的立体图；
图2是本发明实施例提供的一种车用液晶投影灯的分解图；
图3是本发明实施例提供的驱动模块的装配示意图；
图4是本发明实施例提供的成像镜头模块的装配示意图；
图5是本发明实施例提供的镜头及驱动模块的装配示意图；
图6是本发明实施例提供的光源及散热模块的分解图；
图7是本发明实施例提供的灯壳与散热模块的相对位置示意图。
其中，11-驱动板，12-液晶屏，13-驱动壳体；
21-透镜支架，22-成像透镜组，23-外镜头；
31-光透镜，32-菲涅尔透镜；
41-发光二极管，42-灯珠板；
5-灯壳，6-散热模块，7-螺钉，8-密封圈。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。
实施例
图1是本发明实施例提供的一种车用液晶投影灯的立体图，图2是本发明实施例提供的一种车用液晶投影灯的分解图，具体的如图1和图2所示，本发明实施例提供的一种车用液晶投影灯，包括驱动模块、成像镜头 模块、输入镜头模块、光源和灯壳5。
现有技术公开的车载投影灯直接采用DLP投影技术，而DLP光机设计复杂、耐温/耐振动差、成本高，且为独家供应商，芯片供应风险大。
图3是本发明实施例提供的驱动模块的装配示意图，请参照图3，图3(左)为装配中的驱动模块，图3(右)为装配好的驱动模块，驱动模块包括驱动板11和液晶屏12，驱动板11用于将从整车控制器接收到的投影数据发送给液晶屏12；液晶屏12用于显示投影数据对应的投影图像，优选的，投影图像为彩色图像；
请继续参照图2和图3，驱动模块还包括驱动壳体13，驱动壳体13用于固定、包裹驱动板11，为了使该车用液晶投影灯在多种环境下，例如，沙尘天气、雨天等均能够正常工作，优选的，驱动壳体13具有防尘防水的作用，在一个具体的示例中，驱动壳体13的防尘放水等级为IP67。驱动壳体13可以是设置有第一开口和第二开口的腔体，腔体用于容纳和固定驱动板11，第一开口用于供信号输出端穿过，第二开口用于供信号输入端穿过。需要说明的是，驱动壳体13还可以采用其他能够用于固定和包裹驱动板11的形状，本实施例不以此为限。
考虑到安装空间的限制，可以将驱动板11分为多块，采用分块布局以充分利用/适应空间。图3(左)示出了驱动模块包括两块驱动板11的情形，两个驱动板11相互连接，在其他的实施例中，驱动模块的驱动板11数量还可以设置成其他正整数值，例如，3块、4块等，本实施例不以此为限。采用分块布局可以减小液晶投影灯对安装空间的要求，使得该液晶投影灯在车辆上安装空间受限的区域，例如后视镜处也可以应用。
驱动板11包括信号输入端和信号输出端，驱动板11通过信号输入端和信号输出端实现与整车控制器的通讯以及对液晶屏12和光源进行控制。请继续参照图2和图3，信号输入端可以是突出于驱动板11上的接插件，该接插件通过线束与整车控制器连接，信号输入端通过CAN网络与整车控制器进行通讯、以及接受来自整车控制器的信号源输入，信号源输入可以是图片和/或小视频的CAN报文，从而使得投影内容不再局限于预置的LOGO等固定图案。信号输出端分别与液晶屏12和光源连接，用于将图像和小视 频输入给液晶片，并向光源发送控制信号以提供成像所需的照明条件。光源能够响应于驱动板11的控制指令点亮和/或关闭。具体的，光源可以是LED光源，根据实际需要其他类型的光源也可以在本文中应用。
具体地，液晶屏12采用半透射半反射液晶屏12，使得来自输入镜头模块的光可以透过液晶片，将液晶上的图像打出来，即将液晶屏12上的图像输出至成像镜头模组。
传统液晶图像显示，需要液晶屏12做载体，液晶屏12尺寸需能包含图像尺寸，为了实现小液晶、大图像的目的，本发明实施例还包括成像镜头模组，成像镜头模组用于放大液晶屏12输出的投影图像并将该液晶屏12输出的投影图像放大后输出至成像镜头模块的出光侧；也就是说，成像镜头用于将从液晶屏12出射的光线放大后向外投影。
图4是本发明实施例提供的成像镜头模块的装配示意图，请参照图4，图4(左)示出了支架下盖与成像透镜组22的分解图，图4(中)示出了支架下盖与成像透镜组22的装配示意图，图4(右)示出了装配好的成像镜头模块。成像镜头模块包括透镜支架21和成像透镜组22，透镜支架21用于对成像透镜组22进行支撑和限位，成像透镜组22包括多个成像透镜，多个成像透镜的光轴重合。透镜支架21包括支架上盖和支架下盖，透镜支架21的支架上盖和支架下盖相互配合以固定和包裹成像透镜组22。
成像镜头模块还包括外镜头23，外镜头23设置在成像镜头模块的出光侧，外镜头23与透镜支架21连接，外镜头23采用透光材料制成，外镜头23用于将图片输出，并起到保护成像镜头模组的作用。
输入镜头包括光透镜31和菲涅尔透镜32；输入镜头作为液晶片的背光源，通过菲涅尔透镜32和光透镜31将LED点光源打散，其中，光透镜31用于将光源发出的光转化成均匀光，菲涅尔透镜32用于将LED点光源通过菲涅尔透镜32转换成平行光。菲涅尔透镜32上设计有光学花纹，光透镜31、菲涅尔透镜32以及输入镜头三者的光轴重合，光透镜31与菲涅尔透镜32间隔设置，光透镜31、菲涅尔透镜32的设置位置应满足聚焦要求。光透镜31靠近光源设置，菲涅尔镜片靠近液晶屏12设置。产品成型后光透镜31、菲涅尔透镜32固定在透镜支架21上，光透镜31、菲涅尔透镜32 之间间距不可调节，液晶屏12输出图像的放大倍数与光透镜31、菲涅尔透镜32以及两者之间的间距有关。
输入镜头模块设置在光源与成像镜头模块之间，液晶屏12设置在输入镜头模块与成像镜头模块之间；驱动模块、成像镜头模块和输入镜头模块均容置于灯壳5内，灯壳5内设置有与驱动模块、成像镜头模块和输入镜头模块相匹配的限位结构。
灯壳5包括灯壳上盖和灯壳下盖，灯壳上盖内设置有用于对驱动模块、成像镜头模块、输入镜头模块、光源等的形状相匹配的第一限位结构组件，灯壳下盖内设置有用于对驱动模块、成像镜头模块、输入镜头模块、光源等的形状相匹配的第二限位结构组件，灯壳上盖与灯壳下盖合拢时，第一限位结构组件与第二限位结构组件相互配合，对驱动模块、成像镜头模块、输入镜头模块、光源等起到限位固定的作用。
图5是本发明实施例提供的镜头及驱动模块的装配示意图，请参照图5，图5(左)示出了成像镜头模块、输入镜头模块、驱动模块及灯壳5的相对位置关系，图5(中)示出的是装配过程中的状态，该状态下成像镜头模组、输入镜头模块已经安装在灯壳上盖内、驱动模块安装在灯壳下盖内，灯壳上盖与灯壳下盖还没有合拢，图5(右)示出了装配好的状态，该状态下灯壳上盖与灯壳下盖已经合拢。
具体的，灯壳上盖与灯壳下盖相互卡接，卡接好之后，再将散热快螺栓安装上，固定起来。
图6是本发明实施例提供的光源及散热模块的分解图，请参照图6，本发明实施例提供的车用液晶投影灯还包括散热模块6，散热模块6用于降低光源温度，光源与散热模块6连接。详细的，光源包括发光二极管41和用于固定发光二极管41的灯珠板42，灯珠板42与散热模块6通过螺钉7连接，灯珠板42与散热模块6之间还设置有密封圈8，密封圈8的作用的使散热块与本体压紧并防水。
散热模块6与灯壳5连接，散热模块6设置在灯壳5外部，图7是本发明实施例提供的灯壳与散热模块的相对位置示意图，请参照图7，具体的如图7所示，散热模块6设置在灯壳5的一端。
本发明的实施例还提供了一种车辆，包括上述实施例提供的一种车用液晶投影灯。需要说明的是，在不偏离本公开的范围的情况下，本发明的车辆可为卡车、运动型多用途车、厢式货车、房车或任何其它类型的车辆。
由上述本发明提供的一种车用液晶投影灯及车辆的实施例可见，本发明实施例能够将液晶屏上的图像以成像的形式投影到地面、墙面等载体上，采用小尺寸的液晶屏，实现了大尺寸的图像投影，与采用DPL成像技术的投影装置相比，大大降低了产品的成本，且性能可靠，使其成为大众化配置成为可能。
需要说明的是：上述本发明实施例先后顺序仅仅为了描述，不代表实施例的优劣。且上述对本说明书特定实施例进行了描述。其它实施例在所附权利要求书的范围内。本说明书中的各个实施例均采用递进的方式描述，各个实施例之间相同相似的部分互相参见即可，每个实施例重点说明的都是与其他实施例的不同之处。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成，也可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种车用液晶投影灯，其特征在于，包括驱动模块、成像镜头模块、输入镜头模块、光源和灯壳(5)；
    所述驱动模块包括驱动板(11)和液晶屏(12)，所述驱动板(11)用于将从整车控制器接收到的投影数据发送给所述液晶屏(12)；所述液晶屏(12)用于显示所述投影数据对应的投影图像；所述成像镜头模组用于放大所述投影图像并输出放大后的投影图像；所述光源能够响应于所述驱动板(11)的控制指令点亮和/或关闭；
    所述输入镜头模块设置在所述光源与所述成像镜头模块之间，所述液晶屏(12)设置在所述输入镜头模块与所述成像镜头模块之间；所述驱动模块、所述成像镜头模块和所述输入镜头模块均容置于所述灯壳(5)内，所述灯壳(5)内设置有与所述驱动模块、所述成像镜头模块和所述输入镜头模块相匹配的限位结构。
  2. 根据权利要求1所述的一种车用液晶投影灯，其特征在于，所述驱动板(11)包括信号输入端和信号输出端；所述信号输出端分别与所述液晶屏(12)和所述光源连接。
  3. 根据权利要求2所述的一种车用液晶投影灯，其特征在于，所述驱动模块还包括驱动壳体(13)，所述驱动壳体(13)为设置有第一开口和第二开口的腔体，所述腔体用于容纳和固定所述驱动板(11)，所述第一开口用于供所述信号输出端穿过，所述第二开口用于供所述信号输入端穿过。
  4. 根据权利要求1所述的一种车用液晶投影灯，其特征在于，所述驱动模块包括多个驱动板(11)，多个所述驱动板(11)相互连接。
  5. 根据权利要求1所述的一种车用液晶投影灯，其特征在于，所述液 晶屏(12)包括半透射半反射液晶屏(12)。
  6. 根据权利要求1所述的一种车用液晶投影灯，其特征在于，所述成像镜头模块包括透镜支架(21)和成像透镜组(22)，所述透镜支架(21)用于对所述成像透镜组(22)进行支撑和限位，所述成像透镜组(22)包括多个成像透镜，多个所述成像透镜的光轴重合。
  7. 根据权利要求6所述的一种车用液晶投影灯，其特征在于，所述成像镜头模块还包括外镜头(23)，所述外镜头(23)设置在所述成像镜头模块的出光侧，所述外镜头(23)与所述透镜支架(21)连接。
  8. 根据权利要求1所述的一种车用液晶投影灯，其特征在于，所述输入镜头包括光透镜(31)和菲涅尔透镜(32)；
    所述光透镜(31)、所述菲涅尔透镜(32)以及所述输入镜头三者的光轴重合，所述光透镜(31)与所述菲涅尔透镜(32)间隔设置，所述光透镜(31)靠近所述光源设置，所述菲涅尔镜片靠近所述液晶屏(12)设置。
  9. 根据权利要求1所述的一种车用液晶投影灯，其特征在于，还包括散热模块(6)，所述散热模块(6)与所述光源连接，所述散热模块(6)与所述灯壳(5)连接，所述散热模块(6)设置在所述灯壳(5)外部。
  10. 一种车辆，其特征在于，包括权利要求1-9任一项所述的一种车用液晶投影灯。
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