WO2022174691A1 - 方向盘 - Google Patents

方向盘 Download PDF

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Publication number
WO2022174691A1
WO2022174691A1 PCT/CN2022/070824 CN2022070824W WO2022174691A1 WO 2022174691 A1 WO2022174691 A1 WO 2022174691A1 CN 2022070824 W CN2022070824 W CN 2022070824W WO 2022174691 A1 WO2022174691 A1 WO 2022174691A1
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WO
WIPO (PCT)
Prior art keywords
light
steering wheel
emitting units
emitting
light guide
Prior art date
Application number
PCT/CN2022/070824
Other languages
English (en)
French (fr)
Inventor
徐琳琳
桑瑞刚
祝艳琳
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奥托立夫开发公司
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Publication date
Application filed by 奥托立夫开发公司 filed Critical 奥托立夫开发公司
Publication of WO2022174691A1 publication Critical patent/WO2022174691A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/04—Hand wheels
    • B62D1/06—Rims, e.g. with heating means; Rim covers
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/283—Steering wheels; Gear levers
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • B60Q3/66—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for distributing light among several lighting devices
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose

Definitions

  • the present invention relates to auto parts, in particular, to steering wheels.
  • Some cars have steering wheels that glow.
  • the steering wheel rim of these steering wheels is illuminated when the light-emitting element is illuminated, so that the steering wheel is illuminated at the rim.
  • the steering wheel is provided with an illuminated steering wheel rim, which on the one hand has a decorative effect and makes the steering wheel aesthetically pleasing;
  • the configuration of the steering wheel illuminated at the rim can provide more functions.
  • the purpose of the present invention is to provide a steering wheel with an information indicating function.
  • the present invention provides a steering wheel comprising a steering wheel rim
  • an optical indicating assembly disposed on the steering wheel rim, the optical indicating assembly including a controller and a plurality of lighting units, wherein the plurality of lighting units are controlled by the controller to perform independently with respect to each other action, and the optical indicating component indicates information related to the vehicle or road conditions through a preset pattern and/or a preset color formed by a combination of actions of the plurality of light emitting units.
  • the steering wheel rim has a light transmissive layer for defining an inner cavity, and the optical indicating assembly is completely arranged in the inner cavity.
  • the optical indicating assembly further includes a light guide member, and the light guide member includes a plurality of light guide portions arranged in a one-to-one correspondence with the plurality of light-emitting units, and the plurality of light guides An inner surface of each of the parts facing the plurality of light emitting units is provided as a molding surface.
  • At least one of the plurality of light emitting units and the plurality of light guide portions is configured such that the distribution direction is adapted to the shape of a portion of the light-transmitting layer, and the light-emitting Units are placed on a flexible circuit board.
  • a casing for supporting the light-transmitting layer is further included, and the casing includes a transparent part and a non-transparent part which are integrally formed, and the light after guiding is guided through the light guide member It is transmitted to the light-transmitting layer through the transparent portion.
  • a support base is further included, the support base includes a rigid body and a foam body distributed around the rigid body, one side of the foam body is used to support the optical indicating assembly, and, The other side is used to support the light-transmitting layer.
  • the opposite sides of the casing in the first direction are bonded to the foam body, and the opposite sides of the casing in the second direction are fixed via fixing portions onto the foam, and the first direction is different from the second direction.
  • the action combination of the plurality of light-emitting units includes: a combination of emitting light in a specific color, or a combination of only a specific light-emitting unit in the plurality of light-emitting units emitting light, or, emitting light according to a preset sequence The combination.
  • the forming surface is provided as a serrated surface or an arc-shaped convex surface.
  • the plurality of light emitting units are arranged to be arranged along the circumference of the steering wheel to form a semicircular or circular light emitting ring.
  • Figure 1 schematically shows a steering wheel according to an embodiment of the invention.
  • Figure 2 schematically shows an exploded view of a steering wheel according to an embodiment of the invention.
  • Figure 3 schematically shows a cross section of a steering wheel according to an embodiment of the invention.
  • 4(a), 4(b) and 4(c) respectively schematically illustrate a part of a steering wheel according to an embodiment of the present invention.
  • Figures 5(a), 5(b) and 5(c) respectively schematically show a part of a steering wheel according to an embodiment of the present invention.
  • spatially relative terms such as “upper,” “lower,” “left,” and “right,” etc. are used to describe the relative positional relationship of elements shown in the figures to another element. Accordingly, spatially relative terms may be applied in directions other than those shown in the figures when used. Obviously, while all of these spatially relative terms refer to the orientation shown in the figures for ease of illustration, those skilled in the art will appreciate that orientations other than those shown in the figures may be used.
  • Figure 1 schematically shows a steering wheel according to an embodiment of the invention.
  • Figure 2 schematically shows an exploded view of a steering wheel according to an embodiment of the invention.
  • Figure 3 schematically shows a cross section of a steering wheel according to an embodiment of the invention. The following describes a steering wheel according to an embodiment of the present invention with reference to FIGS. 1-3 .
  • the steering wheel 10 includes a steering wheel rim 11 and an optical indication assembly 12 , wherein the optical indication assembly 12 is arranged on the steering wheel rim 11 and is used to indicate the vehicle or road conditions. Information.
  • the optical indicating assembly 12 will be described in more detail below.
  • the optical indication assembly 12 includes a controller (not shown) and a plurality of light emitting units 121 .
  • the controller may be provided, for example, at any suitable location on the steering wheel 10, including, but not limited to, within the spokes of the steering wheel, underside of the driver's air bag, within the optical indicator assembly.
  • Controllers may include various devices having processing functions, including but not limited to general purpose processors, special purpose processors, microprocessors, microcontrollers, digital signal processors (DSPs), application specific integrated circuits (ASICs), programmable logic Device (PLD), Field Programmable Logic Gate Array (FPGA), etc.
  • Control means may include computer-executable instructions that are executed to perform the actions described in this application.
  • the control device may include one or more memories. Memory may be used to store data, instructions, software, code, and the like.
  • the memory may include semiconductor memory such as random access memory (RAM), static random access memory (SRAM), dynamic random access memory (DRAM), read only memory (ROM), programmable read only memory (PROM), erasable Programmable Read Only Memory (EPROM), Electrically Erasable Programmable Read Only Memory (EEPROM), Flash Memory, etc.
  • the memory may also include any memory using, for example, paper media, magnetic media, and/or optical media, such as paper tape, hard disk, magnetic tape, floppy disk, magneto-optical disk (MO), CD, DVD, Blue-ray, and the like.
  • the plurality of light emitting units 121 are controlled by the controller to perform actions independently of each other, and are created by a preset pattern and/or a preset color formed by a combination of actions of the plurality of light emitting units 121 .
  • the independent actions of the plurality of light emitting units of the present invention For the convenience of the description, the example will be described based on the steering wheel shown in FIG. 5( a ). Specifically, the steering wheel shown in FIG.
  • the optical indicating assembly 12 includes five light-emitting units, namely, the first light-emitting unit unit 120-1, second lighting unit 120-2, third lighting unit 120-3, fourth lighting unit 120-4, fifth lighting unit 120-5, and these five lighting units are arranged in the radial direction of the steering wheel as a column.
  • the action combination of the five light-emitting units may include: a combination of light-emitting in a specific color, that is, the first light-emitting unit 120-1, the second light-emitting unit 120-2, the third light-emitting unit 120-3, the fourth light-emitting unit 120-3, and the fourth light-emitting unit 120-1.
  • the light-emitting unit 120-4 and the fifth light-emitting unit 120-5 emit light in a specific color in combination.
  • the action combination of the five light-emitting units includes: a combination of the five light-emitting units emitting light in a single specific color, which can be defined as follows: the single specific color can be set to green to indicate that the traffic light is green, Therefore, if five light-emitting units are all lit in green, then the traffic signal ahead is displayed as green; this single specific color can also be set to red to indicate that the traffic light is red, so if all five light-emitting units are in red If it is illuminated, it means that the traffic light ahead is displayed in red to assist the driver to drive safely.
  • a single specific color can be set to green to indicate that the traffic light is green, Therefore, if five light-emitting units are all lit in green, then the traffic signal ahead is displayed as green; this single specific color can also be set to red to indicate that the traffic light is red, so if all five light-emitting units are in red If it is illuminated, it means that the traffic light ahead is displayed in red to assist the driver to drive safely.
  • the action combination of the five light-emitting units includes: a combination of the five light-emitting units emitting light in five different specific colors, and can also be defined as follows: the combination of the five different specific colors represents multimedia The function is turned on, wherein the first light-emitting unit 120-1 emits light in red, the second light-emitting unit 120-2 emits light in green, the third light-emitting unit 120-3 emits light in blue, and the fourth light-emitting unit 120-4 emits light in orange , the fifth light-emitting unit 120-5 emits light in pink.
  • the action combination of the five light-emitting units may include a combination in which only a specific light-emitting unit of the five light-emitting units emits light. For example, only the first light emitting unit 120-1, the second light emitting unit 120-2, and the third light emitting unit 120-3 emit light in a certain color, while the fourth light emitting unit 120-4 and the fifth light emitting unit 120-5 do not emit light , to indicate the remaining charge of the vehicle battery.
  • the action combination of the five light-emitting units may further include: a combination of light-emitting according to a preset sequence.
  • the preset timing is set as a predetermined time interval between two common light-emitting actions of all the light-emitting units, for example, five light-emitting units light up together once every second, that is, the five light-emitting units emit light in a certain color Glittering. For example, when the five light-emitting units flash in red, it means that the driver is reminded to pay attention to the blind spot, etc.; when the five light-emitting units flash in green, it means that the driver is reminded that the vehicle has entered the automatic driving mode.
  • the preset timing is set as five light-emitting units emit light sequentially at predetermined time intervals, for example, the first light-emitting unit 120-1 emits light at time T1, and the second light-emitting unit 120-2 emits light at time T1+1s , the third light-emitting unit 120-3 emits light at time T1+2s, the fourth light-emitting unit 120-4 emits light at time T1+3s, and the fifth light-emitting unit 120-5 emits light at time T1+4s to indicate that the multimedia function is turned on.
  • the arrangement of the plurality of light-emitting units is not limited to being arranged in a row in the radial direction, and a plurality of light-emitting units may also be provided It is arranged in a row along the circumference of the steering wheel to form a semicircular or circular light ring.
  • the plurality of light-emitting units can also be arranged in other shapes.
  • the plurality of light-emitting units 120 are arranged in rows and columns arranged along the radial and circumferential directions of the steering wheel, respectively.
  • a plurality of light emitting units 120 are arranged in a cross shape consisting of a row and a column arranged along the radial and circumferential directions of the steering wheel, respectively.
  • the steering wheel rim 11 has a light-transmitting layer 13 for defining an inner cavity, which is shown in FIG. 2 as having an oval shape Cross section.
  • the optical indicator assembly 12 is fully disposed within the lumen, as shown in FIG. 3 .
  • the steering wheel of the present invention is not limited to this, and the arrangement of the light-transmitting layer and the optical indicating component can be set differently according to actual conditions, for example, the optical indicating component is partially exposed outside the light-transmitting layer.
  • the optical indicating assembly 12 further includes a light guide, a housing, a support base and a flexible circuit board, which will be described in detail below.
  • a plurality of light emitting units 121 may be disposed on the flexible circuit board 122 , and the flexible circuit board 122 may be fixed on the support seat of the steering wheel 10 via the adhesive layer 125 .
  • the adhesive layer 125 is formed of an adhesive capable of providing a high strength adhesive bond and is commercially available.
  • the support base includes a rigid body 14 and a foam body 15 distributed around the rigid body 14 , and the flexible circuit board 122 and the plurality of light-emitting units 121 disposed thereon are fixed on the foam body via the adhesive layer 125 . 15, and shown in FIG.
  • a flexible circuit board 122 and a plurality of light emitting units 121 provided thereon are fixed.
  • the flexible circuit board 122 and the plurality of light emitting units 121 are distributed on a substantially arc, and the upper half of the cross-section of the steering wheel rim 11 of the steering wheel 10 is also substantially an arc, so , it can also be understood that both the flexible circuit board 122 and the plurality of light-emitting units 121 are adapted to the shape of the upper half of the light-transmitting layer 13 .
  • the light guide member of the optical indicator assembly 12 includes a plurality of light guide portions 123 arranged in a one-to-one correspondence with the plurality of light emitting units 121 .
  • the plurality of light guide portions 123 are approximately on an arc. distribution to match the shape of a portion of the light-transmitting layer 13 . Therefore, rational utilization of the light source can advantageously be ensured to achieve optimum brightness and uniformity.
  • the inner surface of each of the plurality of light guide portions 123 facing the plurality of light emitting units 121 is provided as a molding surface, examples of which are shown in FIGS.
  • the housing of the optical indicator assembly 12 is used to support the light-transmitting layer 13 , and the housing includes a transparent part 1242 and a non-transparent part 1241 which are integrally formed, and the plurality of light guide parts 123 are fixed on the transparent part 1241 .
  • the light guide member and the casing are integrally formed, and the light guided by the light guide member (specifically, the light guide part) is transmitted to the light-transmitting layer 13 through the transparent part 1242 .
  • the transparent portion 1242 of the housing can also be configured to have a function of guiding light and/or a function of diffusing light, so as to achieve optimal brightness and uniformity.
  • scattered particles can also be added to the transparent portion 1242 of the housing to improve light uniformity and avoid seeing the graininess of the light source.
  • the transparent part 1242 and the non-transparent part 1241 of the shell are realized by an integrated structure of two-color injection molding, the transparent part 1242 of the shell can be made of PC, PA, PMMA, and the non-transparent part of the shell
  • the manufacturing material of the transparent portion 1242 may be PC-ABS, ABS, PBT, or PBT-PC.
  • the shell is bonded to the foam body 15 on the opposite sides in the first direction, that is, the left and right sides in FIG. 2 , and the shell is in the first direction.
  • the opposite sides in the two directions, that is, the front and rear sides in FIG. 2 are fixed to the foam body 15 via a fixing portion, for example, the fixing portion may be an elongated member with a mushroom head.
  • the first direction is perpendicular to the second direction.
  • the upper side of the foam body 15 is fixed with the optical indicating component 12 and the casing, and the lower side is in contact with the light-transmitting layer 13 , thereby supporting the optical indicating component and the light-transmitting layer on both sides respectively.
  • the steering wheel of the present invention is not limited to this, and the housing adopts different setting methods, such as being separated from the light guide, or adopts different fixing methods, such as riveting or welding to the foam body.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Steering Controls (AREA)

Abstract

一种方向盘（10），方向盘（10）包括方向盘轮缘（11），还包括布置在方向盘轮缘（11）上的光学指示组件（12），光学指示组件（12）包括控制器和多个发光单元（121），其中，多个发光单元（121）被控制器控制以相对于彼此独立地执行动作，以及，光学指示组件（12）通过由多个发光单元（121）的动作组合形成的预设图案和/或预设颜色来指示与车辆或路况有关的信息。

Description

方向盘 技术领域
本发明涉及汽车配件，具体地，涉及方向盘。
背景技术
一些汽车的方向盘能够发光。这些方向盘的方向盘轮缘在发光件发光时被照亮，以使方向盘在轮缘处发光。方向盘设置有发光的方向盘轮缘，一方面具有装饰效果，使得方向盘美观；另一方面，在光线不佳(例如，夜晚)的情形下，发光的方向盘轮缘能够提供照明功能。然而，除上述的装饰效果和照明功能之外，还期望方向盘在轮缘处发光的构造能够提供更多功能。
发明内容
本发明的目的是提供一种具有信息指示功能的方向盘。
本发明提供一种方向盘，其包括方向盘轮缘，
其中，
还包括布置在所述方向盘轮缘上的光学指示组件，所述光学指示组件包括控制器和多个发光单元，其中，所述多个发光单元被所述控制器控制以相对于彼此独立地执行动作，以及，所述光学指示组件通过由所述多个发光单元的动作组合形成的预设图案和/或预设颜色来指示与车辆或路况有关的信息。
根据本发明的实施例，所述方向盘轮缘具有用于界定内腔的透光层，以及，所述光学指示组件被完全布置在所述内腔中。
根据本发明的实施例，所述光学指示组件还包括导光件，所述导光件包括与所述多个发光单元一一对应设置的多个导光部，并且，所述多个导光部中的每一者的面向所述多个发光单元的内表面被设置为成型面。
根据本发明的实施例，所述多个发光单元和所述多个导光部中的至少一者被构造为分布方向与所述透光层的一部分的形状相适配，并且，所述发光单元被设置在柔性电路板上。
根据本发明的实施例，还包括用于支撑所述透光层的壳体，并且，所述壳体包括一体成型的透明部和非透明部，以及，经由所述导光件引导之后的光线穿过所述透明部传递到所述透光层。
根据本发明的实施例，还包括支撑座，所述支撑座包括刚性本体和围绕所述刚性本体分布的发泡体，所述发泡体的一侧用于支撑所述光学指示组件，以及，另一侧用于支撑所述透光层。
根据本发明的实施例，所述壳体在第一方向上相对的两侧被粘接在所述发泡体上，以及，所述壳体在第二方向上相对的两侧经由固定部固定到所述发泡体上，并且，所述第一方向不同于所述第二方向。
根据本发明的实施例，所述多个发光单元的动作组合包括：以特定颜色发光的组合，或，所述多个发光单元中的仅特定发光单元发光的组合，或，按照预设时序发光的组合。
根据本发明的实施例，所述成型面被设置为锯齿面或弧形凸面。
根据本发明的实施例，所述多个发光单元被设置为沿着方向盘的周向布置以形成半圆形或圆形的发光环。
附图说明
下面将参考附图来描述本发明示例性实施例的特征、优点和技术效果。在附图中，相同的符号标示相同的元件，其中：
图1示意性地示出根据本发明实施例的方向盘。
图2示意性地示出根据本发明实施例的方向盘的分解图。
图3示意性地示出根据本发明实施例的方向盘的横截面。
图4(a)、图4(b)和图4(c)分别示意性地示出根据本发明实施例的方向盘中的一部分。
图5(a)、5(b)和图5(c)分别示意性地示出根据本发明实施例的方向盘中的一部分。
具体实施方式
以下将结合附图描述根据本发明的方向盘的具体实施方式。下面的详细描述和附图用于示例性地说明本发明的原理，本发明不限于所描述的优选实施例，本发明描述的各个实施例既可以单独使用，也可以任意组合，本发明的保护范围由权利要求书限定。
此外，空间相关术语(诸如“上”、“下”、“左”和“右”等)用于描述附图所示的元件与另一个元件的相对位置关系。因此，空间相关术语可以应用到使用时与附图所示的方向不同的方向中。显然，虽然为了易于说明，所有这些空间相关术语指的是附图所示的方向，但是本领域技术人员能够理解可以使用与附图中所示的方向不同的方向。
图1示意性地示出根据本发明实施例的方向盘。图2示意性地示出根据本发明实施例的方向盘的分解图。图3示意性地示出根据本发明实施例的方向盘的横截面。以下参照图1-图3描述根据本发明实施例的方向盘。
如图1所示，根据本发明实施例的方向盘10包括方向盘轮缘11和光学指示组件12，其中，该光学指示组件12布置在方向盘轮缘11上，并且，用于指示与车辆或路况有关的信息。以下将对光学指示组件12进行更详细地描述。
如图2和图3所示，在根据本发明实施例的方向盘10中，光学指示组件12包括控制器(未示出)和多个发光单元121。
控制器例如可以设置在方向盘10的任何合适的位置处，包括但不限于，方向盘的辐条内，驾驶员气囊的底侧，光学指示组件内。控制器可以包括具有处理功能的各种装置，包括但不限于通用处理器、专用处理器、微处理器、微控制器、数字信号处理器(DSP)、专用集成电路(ASIC)、可编程逻辑器件(PLD)、现场可编程逻辑门阵列(FPGA)等。控制装置可以包括计算机可执行指令，这些指令被执行以执行本申请中所描述的动作。控制装置可以包括一个或多个存储器。存储器可以用于存储数据、指令、软件、代码等。存储器可以包括半导体存储器，例如随机存储器(RAM)、静态随机存取存储器(SRAM)、动态随机存取存储器 (DRAM)、只读存储器(ROM)、可编程只读存储器(PROM)、可擦除可编程只读存储器(EPROM)、电可擦除可编程只读存储器(EEPROM)、快闪存储器等。存储器也可以包括例如使用纸介质、磁介质和/或光介质的任何存储器，如纸带、硬盘、磁带、软盘、磁光盘(MO)、CD、DVD、Blue-ray等。
在本发明的方向盘10中，该多个发光单元121被控制器控制以相对于彼此独立地执行动作，并且通过由多个发光单元121的动作组合形成的预设图案和/或预设颜色来。以下将提供几个示例以帮助理解本发明的多个发光单元的独立动作，为了方便该描述，基于图5(a)示出的方向盘描述示例。具体地，在图5(a)所示的方向盘包括方向盘轮缘11和布置在方向盘轮缘11上的光学指示组件12，并且，该光学指示组件12包括五个发光单元，即，第一发光单元120-1，第二发光单元120-2，第三发光单元120-3，第四发光单元120-4，第五发光单元120-5，并且，这五个发光单元在方向盘的径向上排列为一列。
在一个示例中，五个发光单元的动作组合可以包括：以特定颜色发光的组合，即，第一发光单元120-1，第二发光单元120-2，第三发光单元120-3，第四发光单元120-4，第五发光单元120-5以特定颜色发光的组合。而且，在一种情形下，五个发光单元的动作组合包括：五个发光单元以单个特定颜色发光的组合，可以进行如下定义：该单个特定颜色可以被设置为绿色以表示交通信号灯为绿色，因此，如果五个发光单元均以绿色发光，则，表示前方的交通信号灯显示为绿色；该单个特定颜色还可以被设置为红色以表示交通信号灯为红色，因此，如果五个发光单元均以红色发光，则，表示前方的交通信号灯显示为红色，以辅助驾驶员安全驾驶。此外，在另一种情形下，五个发光单元的动作组合包括：五个发光单元以五种不同的特定颜色发光的组合，还可以进行如下定义：该五种不同的特定颜色的组合表示多媒体功能开启，其中，第一发光单元120-1以红色发光，第二发光单元120-2以绿色发光，第三发光单元120-3以蓝色发光，第四发光单元120-4以橘色发光，第五发光单元120-5以粉色发光。
在一个示例中，五个发光单元的动作组合可以包括：五个发光单元中 的仅特定发光单元发光的组合。例如，仅第一发光单元120-1，第二发光单元120-2，第三发光单元120-3以某种颜色发光，而第四发光单元120-4，第五发光单元120-5不发光，以表示车辆电池剩余电量。
在一个示例中，五个发光单元的动作组合还可以包括：按照预设时序发光的组合。在一种情形下，预设时序被设置为所有发光单元两次共同发光动作之间间隔预定时间，例如，五个发光单元每隔一秒共同发光一次，即，五个发光单元以某种颜色闪烁发光。例如，当五个发光单元以红色闪烁发光时，表示提醒驾驶员注意盲区等；当五个发光单元以绿色闪烁发光时，表示提醒驾驶员车辆已经进入自动驾驶模式。在另一种情形下，预设时序被设置为五个发光单元依次发光间隔预定时间，例如，第一发光单元120-1在T1时刻发光，第二发光单元120-2在T1+1s时刻发光，第三发光单元120-3在T1+2s时刻发光，而第四发光单元120-4在T1+3s时刻发光，第五发光单元120-5在T1+4s时刻发光，以表示多媒体功能开启。
需要说明的是，以上示例中具体的特定颜色、具体的间隔时间等均是为了描述方便的目的，并非是为了限制本发明的方向盘，而且，本发明的方向盘的上述示例可以根据实际情况进行修改，例如，可以根据实际情况选择具体的特定颜色。
以及，尽管以上示例以图5(a)所示的方向盘为基础，但是，在本发明的方向盘中，多个发光单元的排列不限于在径向上排成一列，多个发光单元还可以被设置为沿着方向盘的周向排列成一排，以形成半圆形或圆形的发光环。此外，多个发光单元还可以被设置为其他形状，例如图5(b)所示，多个发光单元120被布置为沿着方向盘的径向和周向分别排列的多行和多列构成的矩阵形状，又例如图5(c)所示，多个发光单元120被布置为沿着方向盘的径向和周向分别排列的一行和一列构成的十字型。
以下继续参照图2和图3描述根据本发明实施例的方向盘。
如图2和图3所示，在根据本发明实施例的方向盘10中，方向盘轮缘11具有用于界定内腔的透光层13，该内腔在图2中被显示为具有椭圆形的横截面。以及，光学指示组件12被完全布置在该内腔中，如图3所示。这使得方向盘10的光学指示组件12不易被灰尘等异物污染，从而有利地 确保光学指示组件12具有较长的使用寿命。但是本发明的方向盘不限于此，可以根据实际情况将透光层和光学指示组件两者的布置进行不同的设置，例如，光学指示组件被部分地暴露于透光层之外。
以及，在图2和图3所示的实施例中，光学指示组件12还包括导光件、壳体、支撑座和柔性电路板，以下对这些部件进行详细地描述。
如图2和图3所示，多个发光单元121可以设置在柔性电路板122上，柔性电路板122可以经由胶层125固定在方向盘10的支撑座上。优选地，胶层125由能够提供高强度胶接力的胶形成，并且可以商业获取。以及具体地，在本示例中，支撑座包括刚性本体14和围绕刚性本体14分布的发泡体15，柔性电路板122及其上设置的多个发光单元121经由胶层125固定在发泡体15上，并且在图3中示为发泡体15的上侧表面固定有柔性电路板122及其上设置的多个发光单元121。而且，在图3中清晰地示出，柔性电路板122和多个发光单元121在大致一段弧上分布，方向盘10的方向盘轮缘11的横截面的上半部分同样地为大致一段弧，因此，也可以理解为柔性电路板122和多个发光单元121均与透光层13的上半部分形状相适配。
如图2和图3所示，光学指示组件12的导光件包括与多个发光单元121一一对应设置的多个导光部123，同样地，多个导光部123在大致一段弧上分布，以与透光层13的一部分的形状相适配。因此，能够有利地保证光源的合理利用以达到最优的亮度和均匀性。而且，多个导光部123中的每一者的面向多个发光单元121的内表面被设置为成型面，该成型面的示例分别在图4(a)-图4(c)中示出，其可以为多个弧形凸面、锯齿面、单个圆弧凸面。能够理解，通过优化导光部的局部结构或者光学齿角度的调整，能够调整发光覆盖的角度，从而进一步地保证光源的合理利用。
如图2和图3所示，光学指示组件12的壳体用于支撑透光层13，并且，壳体包括一体成型的透明部1242和非透明部1241，多个导光部123固定在透明部1242处，这里，也可以理解为导光件和壳体一体成型，并且，经由导光件(具体为导光部)引导之后的光线穿过透明部1242传递到透光层13。优选地，壳体的透明部1242也可以被设置为具有导光的功 能和/或散光的功能，以达到最优的亮度和均匀性。此外，还可以在壳体的透明部1242中加入散射的粒子来提高光线均匀性，避免看到光源的颗粒感。具体地，作为一个优选实施例，壳体的透明部1242和非透明部1241通过双色注塑的一体化结构实现，壳体的透明部1242的制造材料可以为PC、PA、PMMA，壳体的非透明部1242的制造材料可以为材料为PC-ABS、ABS、PBT、PBT-PC。
此外，如图2所示，作为一个优选实施例，壳体在第一方向上相对的两侧、即图2中的左右两侧被粘接在发泡体15上，以及，壳体在第二方向上相对的两侧、即图2中的前后两侧经由固定部固定到发泡体15上，该固定部例如可以是具有蘑菇头的细长件，并且，在本优选实施例中，第一方向垂直于第二方向。这种固定方式能够将壳体和导光件可靠地固定到发泡体15上。因此，如图3所示，发泡体15的上侧面固定有光学指示组件12和壳体，下侧面与透光层13相接触，从而分别在两侧支撑光学指示组件和透光层。但是这仅仅是示例，本发明的方向盘不限于此，壳体采用不同的设置方式，例如与导光件分离设置，或者采用不同的固定方式，例如铆接或焊接到发泡体。
如前所述，尽管说明中已经参考附图对本发明的示例性实施例进行了说明，但是本发明不限于上述具体实施方式，本发明的保护范围应当由权利要求书及其等同含义来限定。

Claims (10)

  1. 一种方向盘(10)，其包括方向盘轮缘(11)，
    其特征在于，
    还包括布置在所述方向盘轮缘(11)上的光学指示组件(12)，所述光学指示组件(12)包括控制器和多个发光单元(121)，其中，所述多个发光单元(121)被所述控制器控制以相对于彼此独立地执行动作，以及，所述光学指示组件(12)通过由所述多个发光单元(121)的动作组合形成的预设图案和/或预设颜色来指示与车辆或路况有关的信息。
  2. 根据权利要求1所述的方向盘(10)，其中，所述方向盘轮缘(11)具有用于界定内腔的透光层(13)，以及，所述光学指示组件(12)被完全布置在所述内腔中。
  3. 根据权利要求2所述的方向盘(10)，其中，所述光学指示组件(12)还包括导光件，所述导光件包括与所述多个发光单元(121)一一对应设置的多个导光部(123)，并且，所述多个导光部(123)中的每一者的面向所述多个发光单元(121)的内表面被设置为成型面。
  4. 根据权利要求3所述的方向盘(10)，其中，所述多个发光单元(121)和所述多个导光部(123)中的至少一者被构造为分布方向与所述透光层(13)的一部分的形状相适配，并且，所述多个发光单元(121)被设置在柔性电路板(122)上。
  5. 根据权利要求3所述的方向盘(10)，其中，还包括用于支撑所述透光层(13)的壳体(124)，并且，所述壳体(124)包括一体成型的透明部(1242)和非透明部(1241)，以及，经由所述导光件引导之后的光线穿过所述透明部(1242)传递到所述透光层(13)。
  6. 根据权利要求5所述的方向盘(10)，其中，还包括支撑座，所述支撑座包括刚性本体(14)和围绕所述刚性本体(14)分布的发泡体(15)，所述发泡体(15)的一侧用于支撑所述光学指示组件(12)，以及，另一侧用于支撑所述透光层(13)。
  7. 根据权利要求6所述的方向盘(10)，其中，所述壳体(124)在 第一方向上相对的两侧被粘接在所述发泡体(15)上，以及，所述壳体(124)在第二方向上相对的两侧经由固定部固定到所述发泡体(15)上，并且，所述第一方向不同于所述第二方向。
  8. 根据权利要求1所述的方向盘(10)，其中，所述多个发光单元(121)的动作组合包括：以特定颜色发光的组合，或，所述多个发光单元中的仅特定发光单元发光的组合，或，按照预设时序发光的组合。
  9. 根据权利要求3所述的方向盘(10)，其中，所述成型面被设置为锯齿面或弧形凸面。
  10. 根据权利要求3所述的方向盘(10)，其中，所述多个发光单元(121)被设置为沿着方向盘(10)的周向布置以形成半圆形或圆形的发光环。
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