CN110154878A - 显示自动驾驶以及电池充电量的车辆用灯具系统 - Google Patents

显示自动驾驶以及电池充电量的车辆用灯具系统 Download PDF

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CN110154878A
CN110154878A CN201910117965.1A CN201910117965A CN110154878A CN 110154878 A CN110154878 A CN 110154878A CN 201910117965 A CN201910117965 A CN 201910117965A CN 110154878 A CN110154878 A CN 110154878A
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vehicle
lamp
light
charge volume
battery
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CN110154878B (zh
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杉本笃
高桥彻
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Koito Manufacturing Co Ltd
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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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • 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
    • B60Q1/0011—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor with light guides for distributing the light between several lighting or signalling 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
    • 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
    • B60Q1/2611—Indicating devices mounted on the roof of the vehicle
    • 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
    • B60Q1/2615—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 mounted on the vehicle body, e.g. with magnets
    • 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
    • B60Q1/50—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 for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/503—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 for indicating other intentions or conditions, e.g. request for waiting or overtaking using luminous text or symbol displays in or on the vehicle, e.g. static text
    • B60Q1/5035—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 for indicating other intentions or conditions, e.g. request for waiting or overtaking using luminous text or symbol displays in or on the vehicle, e.g. static text electronic displays
    • 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
    • B60Q1/50—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 for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/508—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 for indicating other intentions or conditions, e.g. request for waiting or overtaking specific to vehicles driving in fleets or convoys
    • 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
    • B60Q1/50—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 for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/543—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 for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating other states or conditions of the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/249—Light guides with two or more light sources being coupled into the light guide
    • 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
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

用一个灯来易于理解地显示车辆的自动驾驶状态和电池的充电量的车辆用灯具系统。车辆用前照灯(3)具备：通讯灯(7)，在车辆的行驶中将自动驾驶状态显示在车外；以及灯ECU(32)，进行用于在停车中将电池(31)的充电量显示在通讯灯(7)的控制。通讯灯(7)包含：导光体，其为细长状，并沿着直线或曲线连续地延伸；以及发光元件(22)，其为多个，并在导光体的长边方向隔开间隔而配设。灯ECU(32)控制各发光元件(22)的光输出，以使得导光体的发光范围根据电池(31)的充电量而变化。

Description

显示自动驾驶以及电池充电量的车辆用灯具系统
技术领域
本发明涉及一种车辆用灯具系统，该车辆用灯具系统具备灯，该灯显示车辆的自动驾驶状态，并且显示搭载于该车辆的电池的充电量。
背景技术
以往，已知一种显示车辆的自动驾驶状态的灯。例如，在专利文献1中记载了如下技术:根据自动驾驶车辆的驾驶状态来切换灯的显示模式。另外，以往，已知一种显示电动车的电池充电量的灯。例如，在专利文献2中提出如下技术，将多个LED排成一列，并利用各LED的点亮和熄灭来显示电池的充电量。
现有技术文献
专利文献
专利文献1：日本特开2015-71340号公报
专利文献2：美国专利公开公报US2014/0253306号
发明内容
发明欲解决的技术问题
然而，按照以往技术，不能够利用一个灯来显示车辆的自动驾驶状态和电池充电量。另外，专利文献2的灯在电池充电中将多个LED顺序点亮，但是若想将自动驾驶状态用与电池充电时相同的模式来显示，则存在如下问题点：很难区分该显示和车辆行驶中的转向灯的发光模式。
因此，本发明的目的是提供一种车辆用灯具系统，该车辆用灯具系统能够用一个灯来易于理解地显示车辆的自动驾驶状态和电池的充电量。
用于解决问题的技术手段
为了解决上述问题，本发明的车辆用灯具系统的特征在于，具备：灯，其在车辆行驶中将自动驾驶状态显示在车外；以及控制部，其进行用于在车辆停车中使电池的充电量显示在灯的控制，灯包含：导光体，其为细长状，并沿着直线或曲线连续地延伸；以及发光元件，其为多个，并在导光体的长边方向隔开间隔而配设，控制部控制各发光元件的光输出，以使得导光体的发光范围根据电池的充电量而变化。
此处，灯的导光体并不限定于特定的构成，但是优选为包含：主干部，将自动驾驶状态以及电池的充电量在车外显示；以及分叉部，其为多个，并从主干部向各发光元件分叉，以使得从多个发光元件发出的光能够基本均等地分配到导光体的各部分。
还优选为，为了利用导光体的发光范围来明确地显示电池的充电量，主干部具有显示最小充电量的一端和显示最大充电量的另一端，多个分叉部以从各个发光元件向主干部的一端侧延伸的方式相对于主干部倾斜状地设置。
灯所进行的显示模式并不特别进行限定，但是优选为显示模式在车辆行驶时和停车时不同。例如，使灯在行驶时用绿色发光，在充电时用白色或黄色发光等，从而能够将自动驾驶状态和充电量用不同的发光颜色来显示。或者，也可以是，使发光元件在行驶中全部点亮，在停车中顺序点亮等，从而将自动驾驶状态和充电量用不同的发光模式来显示。
灯的设置位置也不特别限定。例如，可以将灯搭载于设置在车体前面的左右的前照灯。也可以将灯设置在充电口的附近。也可以将灯设置在车体的顶部，以使得能够从车体周围的所有方向确认充电量。
发明效果
按照本发明的车辆用灯具系统，构成为在显示车辆的自动驾驶状态的灯设置有细长的导光体和多个发光元件，并利用灯的发光范围来显示电池的充电量，因此能够起到如下优良效果：能够用一个灯来易于明白地显示自动驾驶状态和充电量。
附图说明
图1是本发明的一个实施方式所示的车辆的部分立体图。
图2是示出车辆前照灯的内部构造的图1的II－II线部分剖视图。
图3是示出前照灯的通讯灯的立体图。
图4是示出前照灯的控制系统的框图。
图5是示出通讯灯的充电显示模式的特性图。
图6同样是示出充电显示模式的前照灯的主视图。
图7是示出本发明的另一个实施方式的车辆的主视图。
图8是示出本发明又一个实施方式的车辆的立体图。
符号说明
1 车辆
2 车体
3 前照灯
7 通讯灯
14 导光体
22 发光元件
23 主干部
24 分叉部
32 灯ECU
37 标识灯
38 导光体
40 天线
41 显示灯
具体实施方式
以下，基于附图来说明本发明的一个实施方式。图1所示的车辆1在车体2的前面具备左右共一对前照灯3。在前照灯3的壳体11内，设置有：近光灯4；远光灯5；转向信号灯(或日间行车灯)6；以及通讯灯7。而且，在该实施方式的车辆用灯具系统中，通讯灯7作为如下灯来发挥功能：在车辆1的行驶中向行人、其他车辆显示自动驾驶状态，另外，在停车中向驾驶员显示搭载于车辆1的电池31(参照图4)的充电量。
如图2所示那样，转向信号灯6具备：导光体12，其为细长状，被配置在近光灯4的上侧，且向左右延伸；以及罩13，从背后覆盖导光体12。通讯灯7具备：导光体14，其为细长状，被配置在近光灯4的下侧，且与转向信号灯6同样向左右延伸；以及罩15，其从背后覆盖导光体14。在壳体11的前面盖16的内侧设置的延伸板17处，形成有：开口部18，将近光灯4发出的光放出车外；狭缝19，将转向信号灯6发出的光放出车外；以及狭缝20，将通讯灯7发出的光放出车外。
如图3所示，通讯灯7在导光体14的长边方向具备由LED形成的例如5个发光元件22。导光体14包含：主干部23，沿着平缓弯曲的曲线连续地延伸；以及分叉部24，其为多个，并从主干部23分叉且延伸至发光元件22，导光体14整体由透明树脂一体地成形。另外，罩15由覆盖主干部23的长边部25以及覆盖分叉部24的短边部26构成。各发光元件22以与分叉部24的前端面对置的方式，在各短边部26的前端被夹具27(参照图2)保持，并在主干部23的长边方向隔开规定的间隔而配设。
导光体14的主干部23具备表示电池31的最小充电量的一端23a和表示电池31的最大充电量的另一端23b。分叉部24以从各发光元件22向主干部23的一端23a侧即显示最小充电量的一侧延伸的方式相对于主干部23倾斜状地设置。而且，充电时,由于发光元件22发出的光，主干部23在与电池充电量相对应的长度或范围内发光，该发光范围经由狭缝20从前面盖16露出到车辆前方。
如图4所示，在前照灯3的壳体11内，设置有ECU32作为控制4个灯4、5、6、7的光输出的控制部。灯ECU32在车辆1以自动驾驶模式行驶时，响应来自车辆ECU33的指令，使5个发光元件22全部点亮或全部熄灭，从而在通讯灯7中显示车辆1的自动驾驶状态。另外，在停车中的电池充电时，灯ECU32单独控制发光元件22的点亮和熄灭，以使得主干部23的发光范围根据充电量而变化，从而在通讯灯7中将电池31的充电状态以与自动驾驶状态不同的发光模式来显示。
需要说明的是，电池充电量被附设在电池31的电压传感器35检测，并经由车辆ECU33通知灯ECU32。开始充电显示的时间可以是充电器34连接到车体2的充电口9(参照图1)的时刻。另外，也可以在车辆1停止时开始充电显示，以使得驾驶员即使不在充电中也能够确认充电量。结束充电显示的时刻可以是充满电后已经过规定时间的时刻，或开始充电显示后已经过规定时间的时刻。此外，可以将电池充电量用与自动驾驶显示不同的发光颜色来显示，也可以根据充电量改变发光颜色。
图5、图6举例示出显示充电状态时的通讯灯7的发光模式。此处，根据电池31的充电量，发光元件22的点亮数依次增加。在图5中，在充电量为20％时，1个发光元件22以规定的周期闪烁，如图6(a)所示，通讯灯7的一端部显示最小充电量。充电量变为40％时，2个发光元件22顺序点亮后同时熄灭，如图6(b)所示，通讯灯7的发光范围增加。
充电量变为60％时，3个发光元件22顺序点亮后一起熄灭，如图6(c)所示，通讯灯7的发光范围进一步增加。充电量变为80％时，4个发光元件22顺序点亮后一起熄灭，如图6(d)所示，通讯灯7的发光范围进一步增加。然后，充满电(100％)时，5个发光元件22顺序点亮之后一起熄灭，如图6(e)所示，主干部23的发光范围变为最大(全长发光)。因此，驾驶员基于发光范围逐渐增加的情况，能够一目了然地确认电池31的充电量。
需要说明的是，本发明并不限于上述实施方式，如以下所示，可以在不超出发明的要旨的范围内适当变更各部分的形状、构成来实施。
(1)如图7所示，在车体前面的充电口9的附近装备有标识灯37，在标识灯37使用细长的半圆形的导光体38，使该导光体38发挥与图3所示的通讯灯7同样的功能。
(2)如图8所示，在车体2的顶部装备天线40，在天线40设置由细长的导光体构成的显示灯41，使该导光体41发挥与图3所示的通讯灯7同样的功能。
(3)在图4所示的车辆用灯具中，使车辆ECU33作为控制部发挥功能，在车辆1停车中，车辆ECU33进行使电池31的充电量在通讯灯7显示的控制。

Claims (10)

1.一种车辆用灯具系统，其特征在于，
具备：灯，其在车辆行驶中将自动驾驶状态显示在车外；以及控制部，其进行用于在车辆停车中使电池的充电量显示在所述灯的控制，
所述灯包含：导光体，其为细长状，并沿着直线或曲线连续地延伸；以及发光元件，其为多个，并在导光体的长边方向隔开间隔而配设，
所述控制部控制各发光元件的光输出，以使得导光体的发光范围根据电池的充电量而变化。
2.如权利要求1所述的车辆用灯具系统，其中，
所述导光体包含：主干部，其将自动驾驶状态以及充电量显示在车外；以及分叉部，其为多个，并从主干部向各发光元件分叉。
3.如权利要求2所述的车辆用灯具系统，其中，
所述主干部具备：显示电池的最小充电量的一端；以及显示电池的最大充电量的另一端，所述多个分叉部以从各发光元件向主干部的一端侧延伸的方式相对于主干部倾斜状地设置。
4.如权利要求1～3中任一项所述的车辆用灯具系统，其中，
所述灯将自动驾驶状态和充电量用不同的发光颜色来显示。
5.如权利要求1～3中任一项所述的车辆用灯具系统，其中，
所述灯将自动驾驶状态以及充电量用不同的发光模式来显示。
6.如权利要求1～3中任一项所述的车辆用灯具系统，其中，
所述灯设置在车体的前面。
7.如权利要求1～3中任一项所述的车辆用灯具系统，其中，
所述灯设置在车体的充电口附近。
8.如权利要求1～3中任一项所述的车辆用灯具系统，其中，
所述灯设置在车体的顶部。
9.如权利要求1～3所述的车辆用灯具系统，其特征在于，所述灯根据充电量改变发光颜色。
10.如权利要求1～3所述的车辆用灯具系统，其特征在于，根据电池的充电量的增加，所述发光元件的点亮数依次增加。
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