JP6126379B2 - Platooning lighting system - Google Patents

Platooning lighting system Download PDF

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JP6126379B2
JP6126379B2 JP2012286579A JP2012286579A JP6126379B2 JP 6126379 B2 JP6126379 B2 JP 6126379B2 JP 2012286579 A JP2012286579 A JP 2012286579A JP 2012286579 A JP2012286579 A JP 2012286579A JP 6126379 B2 JP6126379 B2 JP 6126379B2
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row
lamp
lighting system
platooning
vehicle
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JP2014130409A (en
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佐藤　典子
典子 佐藤
和志 吉河
和志 吉河
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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
    • 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

Description

本発明は、複数の自動車が隊列を組んで走行するときに、この隊列走行を周辺車両に知らせるための照明システムに関する。   The present invention relates to a lighting system for informing a surrounding vehicle of a platooning when a plurality of automobiles travel in a platoon.

近年、通信技術を用いた車群走行制御により複数の自動車が隊列を組んで走行するシステムが知られている。車群走行制御では、通常、車群の先頭車両が走行状態に関する情報を発信し、この情報に基づいて追従車両が車速を制御することで、複数車両が比較的短い車間距離を保って走行する。   2. Description of the Related Art In recent years, a system in which a plurality of automobiles travel in a row by vehicle group traveling control using communication technology is known. In vehicle group traveling control, the first vehicle in the vehicle group usually transmits information about the traveling state, and the following vehicle controls the vehicle speed based on this information, so that a plurality of vehicles travel with a relatively short inter-vehicle distance. .

従来、短い車間距離の隊列走行を考慮した照明システムが提案されている。例えば、特許文献１には、追従車両がヘッドランプやテールランプの照射光量を単独走行時の光量よりも減少させることで、隊列走行中に運転者が感じる眩しさを軽減する照明システムが記載されている。   2. Description of the Related Art Conventionally, lighting systems have been proposed that take into account the platooning of a short inter-vehicle distance. For example, Patent Document 1 describes an illumination system in which the following vehicle reduces the glare that a driver feels during platooning by reducing the amount of light emitted by a headlamp or tail lamp from the amount of light when traveling alone. Yes.

特開２００３−２７６５０２号公報JP 2003-276502 A

ところが、従来の照明システムは、隊列走行を周辺車両に知らせる手段を備えていないので、周辺車両が隊列の先頭車両と追従車両との関係、あるいは、何処から何処までが隊列走行中なのかを正しく認識することができなかった。このため、隊列と並走する車両や隊列を横切ろうとする他車両が、隊列走行中の車群に割り込んでしまうという危険があった。   However, the conventional lighting system does not have means for notifying the surrounding vehicle of the platooning. I couldn't recognize it. For this reason, there is a danger that a vehicle running in parallel with the platoon or another vehicle trying to cross the platoon will get into the group of vehicles traveling in the platoon.

そこで、本発明の目的は、隊列走行中であることを周辺車両に報知し、安全な隊列走行を行うことができる照明システムを提供することにある。   SUMMARY OF THE INVENTION An object of the present invention is to provide a lighting system capable of notifying a surrounding vehicle that a platoon is running and performing safe platooning.

上記課題を解決するために、本発明は次のような隊列走行用照明システムを提供する。
（１）隊列を組んで走行する複数台の自動車に装備されたランプと、各ランプが全体として隊列走行を表す照明パターンを形成するように、各ランプの配光を制御する配光制御部とを備えたことを特徴とする隊列走行用照明システム。 In order to solve the above-mentioned problems, the present invention provides the following row running lighting system.
(1) a lamp mounted on a plurality of vehicles that travel in a row, and a light distribution control unit that controls the light distribution of each lamp so that each lamp forms an illumination pattern that represents the row running as a whole; A lighting system for platooning.

（２）配光制御部が隊列走行中の自動車間通信を利用して各ランプの配光を同期制御する（１）記載の隊列走行用照明システム。 (2) The platooning illumination system according to (1), wherein the light distribution control unit synchronously controls the light distribution of each lamp using inter-car communication during platooning.

（３）ランプが各自動車の側面に装備され、照明パターンが隊列の側方に形成される（１）又は（２）に記載の隊列走行用照明システム。 (3) The platooning illumination system according to (1) or (2), wherein a lamp is provided on a side surface of each vehicle, and an illumination pattern is formed on the side of the platoon.

（４）照明パターンが隊列の先頭から末端まで延びる線状パターンを含む（１）〜（３）の何れか一つに記載の隊列走行用照明システム。 (4) The row running illumination system according to any one of (1) to (3), wherein the illumination pattern includes a linear pattern extending from the beginning to the end of the row.

（５）前記照明パターンが各ランプの発光色により隊列走行を表示する（１）〜（４）の何れか一つに記載の隊列走行用照明システム。 (5) The lighting system for platooning according to any one of (1) to (4), wherein the lighting pattern displays the platooning according to the emission color of each lamp.

本発明の隊列走行用照明システムは、複数台の自動車が形成する照明パターンによって、隊列走行中であることを周辺車両に知らせるので、他車両による割り込みを未然に防止し、隊列走行時の安全性を高めることができるという効果がある。   The lighting system for platooning of the present invention notifies surrounding vehicles that the platooning is in progress by the lighting pattern formed by a plurality of automobiles, so that interruption by other vehicles can be prevented and safety during platooning can be prevented. There is an effect that can be increased.

本発明の実施例１を示す隊列走行用照明システムの模式図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic diagram of the row running lighting system which shows Example 1 of this invention. 本発明の実施例２を示す隊列走行用照明システムの斜視図である。It is a perspective view of the lighting system for row running which shows Example 2 of the present invention. 本発明の実施例３を示す隊列走行用照明システムの斜視図である。It is a perspective view of the lighting system for row running which shows Example 3 of the present invention. 本発明の実施例４を示す隊列走行用照明システムの平面図である。It is a top view of the lighting system for row running which shows Example 4 of the present invention. 本発明の実施例５を示す隊列走行用照明システムの平面図である。It is a top view of the lighting system for row running which shows Example 5 of the present invention.

以下、本発明の実施形態を幾つかの実施例に基づいて説明する。図１に示す実施例１では、隊列走行を知らせるための照明パターンＰ１が隊列の側方に形成される。図２に示す実施例２では、照明パターンＰ２が隊列側方の路面に形成される。図３に示す実施例３では、照明パターンＰ３が隊列の側面に形成される。図４に示す実施例４では、照明パターンＰ４が隊列を取り囲む枠形に形成される。図５に示す実施例５では、照明パターンＰ５が隊列の上面に形成される。各実施例において、同一または類似する部材は図面に同一の符号で示されている。   Hereinafter, embodiments of the present invention will be described based on several examples. In the first embodiment shown in FIG. 1, an illumination pattern P1 for notifying the formation running is formed on the side of the formation. In Example 2 shown in FIG. 2, the illumination pattern P2 is formed on the road surface on the side of the formation. In Example 3 shown in FIG. 3, the illumination pattern P3 is formed on the side surface of the formation. In Example 4 shown in FIG. 4, the illumination pattern P4 is formed in a frame shape surrounding the formation. In Example 5 shown in FIG. 5, the illumination pattern P5 is formed on the upper surface of the formation. In each embodiment, the same or similar members are denoted by the same reference numerals in the drawings.

実施例１の隊列走行用照明システム１は、図１に示すように、隊列を組んで走行する複数台の自動車２にランプ３と配光制御部４とを備えている。ランプ３は、隊列走行時に点灯する専用のランプであって、タイヤホイール５またはホイールカバーに取り付けられている。配光制御部４は、車群走行制御システム（図示略）と一緒に車両ＥＴＣ６に搭載され、ランプ駆動部７を介してランプ３の配光を制御する。   As shown in FIG. 1, the row running lighting system 1 of the first embodiment includes a lamp 3 and a light distribution control unit 4 in a plurality of automobiles 2 that run in a row. The lamp 3 is a dedicated lamp that is lit when the platoon is running, and is attached to the tire wheel 5 or the wheel cover. The light distribution control unit 4 is mounted on the vehicle ETC 6 together with a vehicle group traveling control system (not shown), and controls the light distribution of the lamp 3 via the lamp driving unit 7.

また、車両ＥＴＣ６には、隊列走行中の自動車間で走行情報および照明情報を送受信する無線通信部８が設けられている。隊列走行時には、例えば先頭車両の配光制御部４が予め決められた照明情報を追従車両に送信し、追従車両の配光制御部４が受信情報に従って、自車両のランプ３の配光を他車両と同期させて制御し、各自動車２が全体として隊列走行を表す照明パターンＰ１を形成するようになっている。   In addition, the vehicle ETC 6 is provided with a wireless communication unit 8 that transmits and receives traveling information and lighting information between cars traveling in a row. At the time of platooning, for example, the light distribution control unit 4 of the leading vehicle transmits predetermined lighting information to the following vehicle, and the light distribution control unit 4 of the following vehicle changes the light distribution of the lamp 3 of the own vehicle according to the received information. Control is performed in synchronism with the vehicle, and each automobile 2 forms an illumination pattern P1 representing platooning as a whole.

実施例１のランプ３は、各自動車２の車体両側面に配置され、それぞれ略同じ高さ位置にあるタイヤホイール５の中心部に装備されている。そして、隊列走行時には、一列に並ぶ複数のランプ３からの照明光によって、照明パターンＰ１が隊列の側方を先頭車両から末端車両まで連続的に延びる線状または帯状に形成される。あるいは、ランプ３の点滅により先頭から末端へ光が流れるようなパターンで形成される。   The lamps 3 according to the first embodiment are disposed on both side surfaces of the vehicle body of each automobile 2 and are provided at the center of the tire wheel 5 at substantially the same height. When traveling in a row, the illumination pattern P1 is formed in a linear shape or a belt shape that continuously extends from the leading vehicle to the end vehicle on the side of the row by illumination light from the plurality of lamps 3 arranged in a row. Alternatively, it is formed in a pattern in which light flows from the head to the end when the lamp 3 blinks.

したがって、実施例１の隊列走行用照明システム１によれば、複数台の自動車２が隊列の側方に線状または帯状の照明パターンＰ１を形成するので、周辺車両のドライバーは隊列走行中の車群を先頭から末端まで一目瞭然と認識することができる。このため、他車両による割り込みや横断を未然に防止し、隊列走行時の安全性を高めることができる。   Therefore, according to the row running lighting system 1 of the first embodiment, a plurality of automobiles 2 form a linear or belt-like illumination pattern P1 on the side of the row, so that the driver of the surrounding vehicle is a vehicle running in the row. The group can be recognized at a glance from the beginning to the end. For this reason, interruptions and crossings by other vehicles can be prevented and safety during platooning can be improved.

実施例２の隊列走行用照明システム２１は、図２に示すように、トラック２２のタイヤホイール５にランプ３を装備し、車両ＥＴＣ６に配光制御部４（図１参照）を備え、ランプ３からの照明光で隊列の左右両側方の路面に照明パターンＰ２を形成する。照明パターンＰ２は、先頭車両から末端車両まで連続的または断続的に延びる線状または帯状に描画される。そして、路面上の照明パターンＰ２によってトラック２２の隊列走行を周辺車両のドライバーに報知するようになっている。   As shown in FIG. 2, the row running lighting system 21 of the second embodiment includes the lamp 3 on the tire wheel 5 of the truck 22, the light distribution control unit 4 (see FIG. 1) on the vehicle ETC 6, and the lamp 3. The illumination pattern P2 is formed on the road surface on both the left and right sides of the formation with the illumination light from. The illumination pattern P2 is drawn in a line shape or a belt shape extending continuously or intermittently from the leading vehicle to the terminal vehicle. And the driver | operator of a surrounding vehicle is alert | reported by the lighting pattern P2 on a road surface.

実施例３の隊列走行用照明システム３１は、図３に示すように、トラック２２の荷台３２の側壁に複数のランプ３を一列に備え、各ランプ３の照明光によって隊列の左右両側面に照明パターンＰ３を形成する。この照明パターンＰ３は、各トラック２２のランプ３を同じ色で発光させたり、特定の順序で発光色を変えたり、ランプ３の点滅を組み合わせたりすることで、トラック２２の隊列走行をランプ３の発光色で周辺車両に報知するようになっている。   As shown in FIG. 3, the row running lighting system 31 of the third embodiment includes a plurality of lamps 3 arranged in a row on the side wall of the loading platform 32 of the truck 22, and the left and right side surfaces of the row are illuminated by the illumination light of each lamp 3. A pattern P3 is formed. This lighting pattern P3 makes it possible for the lamps 3 of the tracks 22 to emit light of the same color, change the emission color in a specific order, or combine the blinking of the lamps 3 to make the track 22 run in a row. It is designed to notify the surrounding vehicles with the luminescent color.

実施例４の隊列走行用照明システム４１は、図４に示すように、車体４２の周囲に複数のランプ３を備え、各ランプ３からの照明光によって隊列を取り囲む四角枠形または環状の照明パターンＰ４を路面に形成する。ランプ３としては、図示例のスポット型ランプのほかに、長尺のモール型ランプを使用することもできる。   As shown in FIG. 4, the row running illumination system 41 according to the fourth embodiment includes a plurality of lamps 3 around the vehicle body 42, and has a square frame shape or an annular illumination pattern that surrounds the row with the illumination light from each lamp 3. P4 is formed on the road surface. As the lamp 3, in addition to the spot type lamp shown in the drawing, a long molding type lamp can be used.

実施例５の隊列走行用照明システム５１は、図５に示すように、車体ルーフ部５２に左右２本のモール型ランプ５３を装備し、隊列走行に際して、各モール型ランプ５３の照明光によって走行方向に連続する線状または帯状の照明パターンＰ５を形成する。この照明パターンＰ５によれば、特に、乗用車等の車高の低い車両の隊列走行をトラック等の車高の高い周辺車両のドライバーに明瞭にアピールすることができる。   As shown in FIG. 5, the row running lighting system 51 of the fifth embodiment is equipped with two left and right molding lamps 53 on the vehicle body roof portion 52 and travels by illumination light of each molding lamp 53 during the row running. A linear or strip-like illumination pattern P5 that is continuous in the direction is formed. According to this illumination pattern P5, it is possible to clearly appeal to a driver of a surrounding vehicle with a high vehicle height such as a truck, in particular, the platooning of a vehicle with a low vehicle height such as a passenger car.

なお、上記実施例１〜５で開示した特徴的な技術は、隊列走行用照明システムの一例に過ぎず、例えば、ランプの個数や設置場所を変更したり、複数車両のランプで全体として運送会社の社名やロゴを表現したりするなど、隊列走行を表す照明パターンを任意に変更することができる。その他、本発明の趣旨を逸脱しない範囲で、各部の構成を適宜に変更して具体化することも可能である。   In addition, the characteristic technique disclosed in the first to fifth embodiments is merely an example of a row running lighting system. For example, the number of lamps and the installation location can be changed, or a plurality of vehicles can be used as a transportation company as a whole. The lighting pattern representing the platooning can be arbitrarily changed, such as expressing the company name or logo. In addition, the configuration of each part can be appropriately changed and embodied without departing from the spirit of the present invention.

１ 隊列走行用照明システム（実施例１）
２ 自動車
３ ランプ
４ 配光制御部
２１ 隊列走行用照明システム（実施例２）
３１ 隊列走行用照明システム（実施例３）
４１ 隊列走行用照明システム（実施例４）
５１ 隊列走行用照明システム（実施例５） 1 Lighting system for row running (Example 1)
2 Car 3 Lamp 4 Light Distribution Control Unit 21 Lighting System for Convoy Traveling (Example 2)
31 platooning lighting system (Example 3)
41 Lighting system for row running (Example 4)
51 Lighting System for Convoy Traveling (Example 5)

Claims (5)

隊列を組んで走行する複数台の自動車に装備されたランプと、各ランプが全体として隊列走行を表す照明パターンを形成するように、各ランプの配光を制御する配光制御部とを備え、前記照明パターンが前記ランプによって路面に形成されることを特徴とする隊列走行用照明システム。   A lamp provided in a plurality of vehicles that travel in a row, and a light distribution control unit that controls the light distribution of each lamp so that each lamp forms an illumination pattern that represents the row running as a whole, The lighting system for platooning travel, wherein the lighting pattern is formed on the road surface by the lamp. 前記配光制御部が隊列走行中の自動車間通信を利用して各ランプの配光を同期制御する請求項１記載の隊列走行用照明システム。   The lighting system for platooning travel according to claim 1, wherein the light distribution control unit synchronously controls the light distribution of each lamp using inter-car communication during platooning. 前記ランプが各自動車のタイヤホイールに装備され、前記照明パターンが隊列の側方の前記路面に形成される請求項１又は２に記載の隊列走行用照明システム。   The row running illumination system according to claim 1 or 2, wherein the lamp is mounted on a tire wheel of each automobile, and the illumination pattern is formed on the road surface on the side of the row. 前記照明パターンが隊列の先頭から末端まで延びる線状パターンを含む請求項１〜３の何れか一項に記載の隊列走行用照明システム。   The lighting system for row driving according to any one of claims 1 to 3, wherein the lighting pattern includes a linear pattern extending from the head to the end of the row. 前記照明パターンが各ランプの発光色により隊列走行を表示する請求項１〜４の何れか一項に記載の隊列走行用照明システム。   The lighting system for row driving according to any one of claims 1 to 4, wherein the lighting pattern displays the row running according to the light emission color of each lamp.
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