JP2013065422A - Illumination system for tunnel - Google Patents

Illumination system for tunnel Download PDF

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JP2013065422A
JP2013065422A JP2011202658A JP2011202658A JP2013065422A JP 2013065422 A JP2013065422 A JP 2013065422A JP 2011202658 A JP2011202658 A JP 2011202658A JP 2011202658 A JP2011202658 A JP 2011202658A JP 2013065422 A JP2013065422 A JP 2013065422A
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lighting
power
tunnel
illumination
power supply
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JP5780427B2 (en
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Satoshi Setoyama
聡 瀬戸山
Keishi Hirakawa
恵士 平川
Masayoshi Kimura
正義 木村
Hirohito Uchino
裕仁 内野
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West Nippon Expressway Engineering Shikoku Co Ltd
West Nippon Expressway Co Ltd
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West Nippon Expressway Engineering Shikoku Co Ltd
West Nippon Expressway Co Ltd
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    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

PROBLEM TO BE SOLVED: To provide an illumination system for tunnel capable of illuminating the inside of a tunnel efficiently in the event of power failure.SOLUTION: In an illumination system 1 for tunnel including a plurality of lighting apparatus 10 disposed in a tunnel, through which vehicles pass, at intervals in the direction of travel of vehicle, each lighting apparatus 10 includes a first lighting body 12a and a second lighting body 12b, and a first power supply 14a and a second power supply 14b which light the first lighting body 12a and the second lighting body 12b. The first power supply 14a is fed with power from a commercial power supply 32, and the second power supply 14b is fed with power from power supplies 34, 36 different from the commercial power supply 32 in the event of power failure.

Description

本発明は、車両が通過するトンネル内を照明するトンネル用照明システムに関する。   The present invention relates to a tunnel illumination system that illuminates a tunnel through which a vehicle passes.

車両が通行するトンネル内においては、停電した際の走行車両の安全性を確保するため、停電時にも照明を行うのが一般的である。停電時の照明方法としては、一部の照明器具のみを間引き点灯させることが従来検討されているが、残部の照明器具を消灯した際に路面輝度が不均一になり、障害物の存否の確認が困難になるおそれがある。このため、特許文献１に開示されたトンネル用照明装置は、停電時に通常電源部から非常電源部に電源を切り替える際に、全ての照明器具の輝度を徐々に減少させることにより視認性の向上を図っている。   In a tunnel through which vehicles pass, it is common to illuminate during a power outage to ensure the safety of the traveling vehicle in the event of a power outage. As a lighting method at the time of power outage, it has been studied in the past that only some of the lighting fixtures are turned on, but when the remaining lighting fixtures are turned off, the road surface brightness becomes uneven and the presence or absence of obstacles is confirmed. May become difficult. For this reason, the tunnel lighting device disclosed in Patent Document 1 improves visibility by gradually reducing the luminance of all lighting fixtures when switching the power supply from the normal power supply unit to the emergency power supply unit during a power failure. I am trying.

特開２００３−３４７０７４号公報JP 2003-347074 A

ところが、上記特許文献１のトンネル用照明装置は、各照明器具が有する照明体の輝度を一律に低減させるように構成しているため、照明器具によっては停電時の照明が不十分になるおそれがあった。例えば、照明器具が、対称照明及びプロビーム照明の双方を行うように構成されている場合、プロビーム照明が対称照明を補足する役割であるにも拘わらず、停電時にプロビーム照明用の照明体にも電力が供給されることで、対称照明用の照明体に十分な電力を供給することができず、必要な明るさを確保し難いという問題があった。   However, since the tunnel illumination device of Patent Document 1 is configured to uniformly reduce the luminance of the illuminating body included in each illumination fixture, there is a possibility that the illumination during a power failure may be insufficient depending on the illumination fixture. there were. For example, if the luminaire is configured to provide both symmetric and pro-beam illumination, the pro-beam illumination illuminator may also be powered during a power outage, even though the pro-beam illumination serves to supplement the symmetric illumination. Is supplied, sufficient power cannot be supplied to the illuminating body for symmetric illumination, and it is difficult to secure the necessary brightness.

そこで、本発明は、停電時のトンネル内を効率良く照明することができるトンネル用照明システムの提供を目的とする。   Then, an object of this invention is to provide the illumination system for tunnels which can illuminate the inside of a tunnel at the time of a power failure efficiently.

本発明の前記目的は、車両が通過するトンネル内に車両進行方向に沿って間隔をあけて配置される複数の照明器具を備えるトンネル用照明システムであって、前記各照明器具は、第１の照明体及び第２の照明体と、前記第１の照明体及び第２の照明体をそれぞれ個別に点灯させる第１の電源部及び第２の電源部とを備えており、前記第１の電源部は商用電源から電力供給され、前記第２の電源部は停電時に前記商用電源とは異なる電源から電力供給されるように構成されているトンネル用照明システムにより達成される。   The object of the present invention is a tunnel lighting system comprising a plurality of lighting fixtures arranged at intervals along a vehicle traveling direction in a tunnel through which a vehicle passes, wherein each lighting fixture is a first lighting fixture. An illuminating body, a second illuminating body, and a first power source and a second power source that individually turn on the first illuminating body and the second illuminating body, respectively; The power source is supplied from a commercial power source, and the second power source is achieved by a tunnel lighting system configured to be supplied from a power source different from the commercial power source in the event of a power failure.

上記のトンネル用照明システムによれば、停電時の各照明器具に対して第２の電源部から電力を供給することができるので、照明器具を間引き点灯させる場合に比べて均一な照明が可能である。また、各照明器具は、停電時に第１の照明体が消灯し第２の照明体が点灯するので、第２の照明体を停電時の主体的な位置付けとすることにより、非常時に必要な照明を容易に確保することができる。   According to the tunnel lighting system described above, power can be supplied from the second power supply unit to each lighting device at the time of a power failure, and therefore, uniform lighting is possible as compared with the case where the lighting device is lit thinly. is there. Moreover, since each 1st lighting body light-extinguishes at the time of a power failure and a 2nd lighting body turns on each lighting fixture, the illumination required by an emergency is made by making the 2nd lighting body the main positioning at the time of a power failure. Can be easily secured.

上記のトンネル用照明システムにおいて、前記第１の照明体及び第２の照明体は、主照射方向が互いに異なるように配置されることが好ましい。例えば、 前記第１の照明体は、主照射方向が車両進行方向側を向くように配置され、前記第２の照明体は、主照射方向がトンネル横断面に沿うように配置される。   In the above-described tunnel illumination system, it is preferable that the first illumination body and the second illumination body are arranged so that main irradiation directions are different from each other. For example, the first illuminating body is disposed such that the main irradiation direction faces the vehicle traveling direction side, and the second illuminating body is disposed such that the main irradiation direction is along a tunnel cross section.

また、上記のトンネル用照明システムにおいて、前記各照明器具は、トンネルの入口付近に配置することが可能である。この場合、前記第２の電源部は、太陽光発電により生じた電力が供給される構成にすることができる。この構成においては、トンネル外の輝度を検知して前記第１の照明体及び第２の照明体の点灯制御を行う自動調光装置を更に備えることが好ましく、前記自動調光装置は、検知輝度が基準輝度よりも高い晴天時に、前記第１の照明体を点灯させると共に前記第２の照明体の少なくとも一部を点灯させ、検知輝度が基準輝度よりも低い曇天時に、前記第１の照明体の少なくとも一部を点灯させると共に前記第２の照明体は消灯させるように構成されており、停電時には、検知輝度に拘わらず前記第２の照明体を点灯させることが好ましい。   Further, in the above-described tunnel lighting system, each of the lighting fixtures can be disposed near the entrance of the tunnel. In this case, the second power supply unit can be configured to be supplied with power generated by solar power generation. In this configuration, it is preferable to further include an automatic light control device that detects the brightness outside the tunnel and controls the lighting of the first lighting body and the second lighting body. The first illuminating body is turned on and at least a part of the second illuminating body is lit when clear weather is higher than the reference brightness, and the first illuminating body is turned on when the detected brightness is lower than the reference brightness. It is preferable that at least a part of the second illumination body is turned on and the second illumination body is turned off, and at the time of a power failure, the second illumination body is preferably turned on regardless of the detected luminance.

本発明によれば、停電時のトンネル内を効率良く照明することができるトンネル用照明システムを提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, the illumination system for tunnels which can illuminate the inside of a tunnel at the time of a power failure efficiently can be provided.

本発明の一実施形態に係るトンネル用照明システムのブロック図である。It is a block diagram of the lighting system for tunnels concerning one Embodiment of this invention. 図１に示すトンネル用照明システムが備える照明器具の概略構成図である。It is a schematic block diagram of the lighting fixture with which the lighting system for tunnels shown in FIG. 1 is provided. 図２に示す照明器具の変形例を示す斜視図である。It is a perspective view which shows the modification of the lighting fixture shown in FIG. 本発明の他の実施形態に係るトンネル用照明システムのブロック図である。It is a block diagram of the lighting system for tunnels which concerns on other embodiment of this invention. 野外輝度に応じたモード決定方法の一例を説明するための図である。It is a figure for demonstrating an example of the mode determination method according to outdoor brightness | luminance. 図５に示すモードに応じた電力供給制御に用いるテーブルの一例を示す図である。It is a figure which shows an example of the table used for the electric power supply control according to the mode shown in FIG. トンネル入口における輝度の一例を示す図である。It is a figure which shows an example of the brightness | luminance in a tunnel entrance.

以下、本発明の実施の形態について、添付図面を参照して説明する。図１は、本発明の一実施形態に係るトンネル用照明システムのブロック図である。トンネル用照明システム１は、トンネル内の左右側壁に車両進行方向に沿って間隔をあけて配置される複数の照明器具１０と、各照明器具１０に電力を供給する電力供給部３０とを備えている。各照明器具１０は、第１の照明体１２ａ及び第２の照明体１２ｂと、第１の電源部１４ａ及び第２の電源部１４ｂとを備えている。   Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a block diagram of a tunnel illumination system according to an embodiment of the present invention. The tunnel lighting system 1 includes a plurality of lighting fixtures 10 arranged on the left and right side walls in the tunnel at intervals along the vehicle traveling direction, and a power supply unit 30 that supplies power to each lighting fixture 10. Yes. Each lighting fixture 10 includes a first lighting body 12a and a second lighting body 12b, and a first power supply unit 14a and a second power supply unit 14b.

図２（ａ）に平面図で示すように、第１の照明体１２ａ及び第２の照明体１２ｂは、それぞれマトリクス状に配置された複数のＬＥＤ素子１２１ａ，１２１ｂから構成されており、同一のパネル１２に実装されている。第１の照明体１２ａは、配光のピークを示す方向である主照射方向Ｓ１が車両進行方向側を向くように、すなわち、車両進行方向と直交するトンネルの横断面よりも車両進行方向側に配向のピークが存在するように、配置されている。一方、第２の照明体１２ｂは、主照射方向Ｓ２がトンネルの横断面に沿うように配置される。   As shown in a plan view in FIG. 2A, each of the first illuminating body 12a and the second illuminating body 12b is composed of a plurality of LED elements 121a and 121b arranged in a matrix. It is mounted on the panel 12. The first illuminating body 12a is arranged so that the main irradiation direction S1, which is a direction showing the peak of light distribution, faces the vehicle traveling direction side, that is, closer to the vehicle traveling direction side than the cross section of the tunnel orthogonal to the vehicle traveling direction. It arrange | positions so that the peak of orientation exists. On the other hand, the second illuminator 12b is arranged such that the main irradiation direction S2 is along the cross section of the tunnel.

第１の照明体１２ａ及び第２の照明体１２ｂの配置は、特に限定されるものではなく、例えば、図２（ｂ）に示すように、ＬＥＤ素子１２１ａ及びＬＥＤ素子１２１ｂの各列を、車両進行方向に沿って交互に並ぶようにパネル１２上に配置して、第１の照明体１２ａ及び第２の照明体１２ｂを構成してもよい。プロビーム照明を行う各ＬＥＤ素子１２１ａの主照射方向は、全て同方向であってもよく、あるいは、列毎等で異なる方向であってもよい。また、本実施形態では、第１の照明体１２ａ及び第２の照明体１２ｂを構成するＬＥＤ素子１２１ａ，１２１ｂの個数を同じに設定しているが、異なる個数であってもよい。   The arrangement of the first illuminating body 12a and the second illuminating body 12b is not particularly limited. For example, as shown in FIG. 2B, each row of the LED elements 121a and the LED elements 121b is arranged in a vehicle. The first illuminating body 12a and the second illuminating body 12b may be configured by being arranged on the panel 12 so as to be alternately arranged along the traveling direction. The main irradiation directions of the LED elements 121a that perform pro-beam illumination may all be the same direction, or may be different directions for each column. Moreover, in this embodiment, although the number of LED element 121a, 121b which comprises the 1st illumination body 12a and the 2nd illumination body 12b is set to the same, a different number may be sufficient.

照明器具１０は、図３に示すように、第１の照明体１２ａ及び第２の照明体１２ｂをそれぞれ異なるパネルによって構成することも可能である。この場合、第１の照明体１２ａ及び第２の照明体１２ｂを互いに回動可能に連結し、対称照明を行う第２の照明体１２ｂをトンネルＴの壁面Ｗ等に固定することにより、プロビーム照明を行う第１の照明体１２ａの主照射方向を設置現場で調整可能にしてもよい。照明器具１０の光源としては、本実施形態ののＬＥＤ素子以外に、蛍光灯、ナトリウムランプ、セラミックメタルハライドランプなど、トンネル照明に用いられる種々のものを使用することもできる。   As shown in FIG. 3, the lighting fixture 10 can be configured such that the first lighting body 12 a and the second lighting body 12 b are configured by different panels. In this case, the first illuminating body 12a and the second illuminating body 12b are rotatably connected to each other, and the second illuminating body 12b that performs symmetric illumination is fixed to the wall surface W of the tunnel T, etc. The main irradiation direction of the first illuminating body 12a performing the above may be adjustable at the installation site. As a light source of the lighting fixture 10, various things used for tunnel illumination, such as a fluorescent lamp, a sodium lamp, a ceramic metal halide lamp, can also be used besides the LED element of this embodiment.

図１に示すように、第１の電源部１４ａは第１の端子台１６ａに接続されており、第１の端子台１６ａから商用電源電力ケーブル２２を介して電力供給部３０の商用電源３２に接続されている。一方、第２の電源部１４ｂは第２の端子台１６ｂに接続されており、第２の端子台１６ｂから無停電電源電力ケーブル２４または自家発電器電力ケーブル２６を介して、無停電電源３４または自家発電器３６に接続されている。商用電源３２は、第１の電源部１４ａへの電力供給だけでなく、無停電電源電力ケーブル２４または自家発電器電力ケーブル２６を介して、第２の電源部１４ｂにも電力を供給可能に構成されており、通常時はリレー３８ａ，３８ｂ，３８ｃがオン状態、リレー３８ｄ，３８ｅがオフ状態となって、商用電源３２から第１の電源部１４ａ及び第２の電源部１４ｂの双方に電力が供給される。   As shown in FIG. 1, the first power supply unit 14a is connected to the first terminal block 16a, and is connected to the commercial power supply 32 of the power supply unit 30 from the first terminal block 16a via the commercial power supply power cable 22. It is connected. On the other hand, the second power supply unit 14b is connected to the second terminal block 16b, and from the second terminal block 16b via the uninterruptible power supply cable 24 or the private generator power cable 26, the uninterruptible power supply 34 or It is connected to the private power generator 36. The commercial power supply 32 is configured not only to supply power to the first power supply unit 14a but also to supply power to the second power supply unit 14b via the uninterruptible power supply power cable 24 or the private generator power cable 26. In normal times, the relays 38a, 38b, 38c are turned on and the relays 38d, 38e are turned off, and power is supplied from the commercial power supply 32 to both the first power supply unit 14a and the second power supply unit 14b. Supplied.

第１の電源部１４ａ及び第２の電源部１４ｂは、供給された商用電力を整流して直流電力に変換する整流回路と、直流電力を昇圧する昇圧回路と、昇圧された直流電力を安定化させる安定化回路とを備えており、それぞれ第１の照明体１２ａ及び第２の照明体１２ｂに一定電流を流して点灯させる。また、第１の電源部１４ａ及び第２の電源部１４ｂには、不図示の調光ケーブルを介して、第１の照明体１２ａ及び第２の照明体１２ｂの明るさを制御するための調光信号が入力され、調光信号に応じた明るさとなるようにスイッチング回路を動作させて、第１の照明体１２ａ及び第２の照明体１２ｂに供給される電流のフィードバック制御が行われる。例えば、タイマーの作動により昼間モード、夜間モード及び深夜モードの各調光信号が入力されると、第１の照明体１２ａ及び第２の照明体１２ｂは、昼間に最大輝度で点灯し、夜間に昼間よりも低い輝度（例えば昼間の約５０％の輝度）で点灯し、深夜に夜間よりも低い輝度（例えば昼間の約２５％の輝度）で点灯する。なお、装置の故障等で調光信号が無信号になった場合、電力供給部３０は、昼間よりも低い輝度（例えば昼間の約５０％の輝度）で第１の照明体１２ａ及び第２の照明体１２ｂを点灯させるように制御する。   The first power supply unit 14a and the second power supply unit 14b are a rectifier circuit that rectifies supplied commercial power and converts it into DC power, a booster circuit that boosts DC power, and stabilizes the boosted DC power. A stabilizing circuit for causing the first illuminating body 12a and the second illuminating body 12b to illuminate with a constant current. The first power supply unit 14a and the second power supply unit 14b are dimmed for controlling the brightness of the first illuminating body 12a and the second illuminating body 12b via a dimming cable (not shown). The switching circuit is operated so as to obtain brightness according to the dimming signal when the signal is input, and feedback control of the current supplied to the first lighting body 12a and the second lighting body 12b is performed. For example, when dimming signals of daytime mode, nighttime mode, and midnight mode are input by the operation of a timer, the first lighting body 12a and the second lighting body 12b are lit at the maximum brightness in the daytime, and at night It is lit at a lower luminance than the daytime (for example, about 50% luminance in the daytime) and at a lower luminance than the nighttime (for example, about 25% luminance during the daytime) at midnight. When the dimming signal becomes no signal due to a failure of the device, the power supply unit 30 causes the first illuminating body 12a and the second illuminator 12a to have a lower luminance than the daytime (for example, about 50% luminance in the daytime). Control is performed so that the illuminator 12b is turned on.

更に、電力供給部３０は、商用電源３２の停電を検知すると、リレー３８ｄをオン状態にして、無停電電源３４から第２の電源部１４ｂに電力を供給する。無停電電源３４は、二次電池とＤＣ／ＡＣインバータとを備えており、商用電源３２と同じ周波数及び同じ電圧の交流が、無停電電源電力ケーブル２４に接続された第２の電源部１４ｂに印加される。また、これと同時に、第２の電源部１４ｂには停電モードの調光信号が入力され、昼間よりも低い輝度（例えば昼間の約５０％の輝度）で第２の照明体１２ｂが点灯する。   Furthermore, when the power supply unit 30 detects a power failure of the commercial power supply 32, the power supply unit 30 turns on the relay 38d to supply power from the uninterruptible power supply 34 to the second power supply unit 14b. The uninterruptible power supply 34 includes a secondary battery and a DC / AC inverter, and an alternating current having the same frequency and the same voltage as the commercial power supply 32 is supplied to the second power supply unit 14 b connected to the uninterruptible power supply cable 24. Applied. At the same time, a power control mode dimming signal is input to the second power supply unit 14b, and the second illuminator 12b is lit with a lower brightness than that of the daytime (for example, about 50% of the daytime).

電力供給部３０は、商用電源３２の停電検知が所定時間継続されると、自家発電器３６を起動する。自家発電器３６は、エンジンにより駆動する発電器であり、商用電源３２と同じ電力を供給可能になると、リレー３８ｅがオン状態となり、自家発電器３６に接続された第２の電源部１４ｂに電力が供給される。第２の電源部１４ｂには停電モードの調光信号が入力され、昼間よりも低い輝度（例えば昼間の約５０％の輝度）で第２の照明体１２ｂが点灯する。   The power supply unit 30 activates the private power generator 36 when the power failure detection of the commercial power supply 32 is continued for a predetermined time. The private power generator 36 is a power generator driven by an engine. When the same power as that of the commercial power supply 32 can be supplied, the relay 38e is turned on, and power is supplied to the second power supply unit 14b connected to the private power generator 36. Is supplied. A power control mode dimming signal is input to the second power supply unit 14b, and the second illuminating body 12b is turned on with a lower brightness than that of the daytime (for example, about 50% of the daytime).

無停電電源３４に接続される第２の照明体１２ｂと、自家発電器３６に接続される第２の照明体１２ｂとの輝度の割合は、特に限定されるものではないが、無停電電源３４の二次電池の寿命維持を図りつつ、自家発電器３６が電力供給可能になるまでの必要最小限の明るさを確保できるように、適宜設定することが好ましい。本実施形態では、８つの照明器具１０のうち、２つの照明器具１０を無停電電源３４に接続し、６つの照明器具１０を自家発電器３６に接続しており、通常時の輝度と比較して、無停電電源３４のみの作動時に約１／８の輝度となり、自家発電器３６の作動時に約１／４の輝度となるように構成している。   The ratio of the luminance between the second lighting body 12b connected to the uninterruptible power supply 34 and the second lighting body 12b connected to the private power generator 36 is not particularly limited, but the uninterruptible power supply 34 It is preferable to set appropriately so that the necessary minimum brightness until the private power generator 36 can supply power can be secured while maintaining the life of the secondary battery. In the present embodiment, of the eight lighting fixtures 10, two lighting fixtures 10 are connected to the uninterruptible power supply 34, and six lighting fixtures 10 are connected to the private power generator 36. Thus, the brightness is about 1/8 when only the uninterruptible power supply 34 is activated, and the brightness is about 1/4 when the private power generator 36 is activated.

以上の構成を備えるトンネル用照明システム１によれば、通常時には、各照明器具１０の第１の照明体１２ａ及び第２の照明体１２ｂが、いずれも商用電源３２から電力供給を受けて点灯し、第１の照明体１２ａがプロビーム照明を行い、第２の照明体１２ｂが対称照明を行う。こうして、第１の照明体１２ａの照明光が第２の照明体１２ｂの照明光を補い、路上の障害物等の視認性を高めることができる。   According to the tunnel lighting system 1 having the above configuration, at the normal time, the first lighting body 12a and the second lighting body 12b of each lighting fixture 10 are both supplied with power from the commercial power source 32 and are turned on. The first illumination body 12a performs pro-beam illumination, and the second illumination body 12b performs symmetrical illumination. Thus, the illumination light of the first illumination body 12a can supplement the illumination light of the second illumination body 12b, and the visibility of obstacles and the like on the road can be enhanced.

一方、停電時になると、第１の照明体１２ａが消灯する一方、第２の照明体１２ｂは、無停電電源３４又は自家発電器３６から電力供給を受けて、輝度が低下した状態で点灯が維持される。このように、停電時においても全ての照明器具１０が点灯すると共に、各照明器具１０においては、補助的な第１の照明体１２ａが消灯してメインの第２の照明体１２ｂが点灯するため、消費電力を抑制しつつ、必要且つ均一な照明を容易に確保することができる。   On the other hand, when a power failure occurs, the first illuminating body 12a is turned off, while the second illuminating body 12b is supplied with power from the uninterruptible power supply 34 or the private power generator 36 and remains lit in a state where the luminance is lowered. Is done. In this way, all the lighting fixtures 10 are turned on even during a power failure, and in each lighting fixture 10, the auxiliary first lighting body 12a is turned off and the main second lighting body 12b is turned on. Therefore, necessary and uniform illumination can be easily ensured while suppressing power consumption.

本実施形態においては、第１の照明体１２ａがプロビーム照明を行い、第２の照明体１２ｂが対称照明を行うように構成しているが、照明方式は必ずしもこのような組み合わせに限定されるものではなく、例えば、第１の照明体１２ａがカウンタービーム照明、あるいは、プロビーム照明及びカウンタービーム照明の双方を行うように構成し、第２の照明体１２ｂが対称照明を行うように構成してもよい。更に、照明器具が備える２つの照明体が、主照射方向が互いに異なるように配置される場合には、停電時に重要な役割を果たす一方の照明体を第２の照明体１２ｂとし、補助的な他方の照明体を第１の照明体１２ａとすることで、本実施形態と同様の効果を奏することができる。   In the present embodiment, the first illumination body 12a is configured to perform pro-beam illumination and the second illumination body 12b is configured to perform symmetrical illumination. However, the illumination method is not necessarily limited to such a combination. Instead, for example, the first illuminator 12a may be configured to perform counter beam illumination or both pro-beam illumination and counter beam illumination, and the second illuminator 12b may be configured to perform symmetrical illumination. Good. Further, when the two illuminating bodies provided in the luminaire are arranged so that the main irradiation directions are different from each other, the one illuminating body that plays an important role at the time of a power failure is the second illuminating body 12b, and an auxiliary By using the other illuminating body as the first illuminating body 12a, the same effects as in the present embodiment can be obtained.

また、第２の電源部１４ｂに電力を供給する電源は、商用電源３２の停電時に電力供給可能なものであれば、無停電電源３４や自家発電器３６以外のものであってもよい。例えば、トンネル用照明システムがトンネルの入口付近に配置される入口照明用として用いられる場合、図４に示すように、第１の電源部１４ａには電力供給部３００の商用電源３２１から電力が供給され、第２の電源部１４ｂには電力供給部３００の太陽光発電装置３４１から電力が供給されるように、トンネル用照明システム１００を構成することができる。尚、図４において、図１と同様の構成部分には同一の符号を付している。図４に示す第１の照明体１２ａ及び第２の照明体１２ｂは、図１の場合と同様に、それぞれプロビーム照明及び対称照明を行うように構成してもよいが、第１の照明体１２ａ及び第２の照明体１２ｂの主照射方向が同じ方向であってもよい。   In addition, the power source that supplies power to the second power source unit 14 b may be other than the uninterruptible power source 34 and the private power generator 36 as long as it can supply power when the commercial power source 32 is powered off. For example, when the tunnel illumination system is used for entrance illumination arranged near the entrance of the tunnel, the first power supply unit 14a is supplied with power from the commercial power supply 321 of the power supply unit 300 as shown in FIG. Then, the tunnel illumination system 100 can be configured such that power is supplied from the solar power generation device 341 of the power supply unit 300 to the second power supply unit 14b. In FIG. 4, the same components as those in FIG. 1 are denoted by the same reference numerals. The first illuminating body 12a and the second illuminating body 12b shown in FIG. 4 may be configured to perform pro-beam illumination and symmetric illumination, respectively, as in FIG. 1, but the first illuminating body 12a. And the main irradiation direction of the 2nd illumination body 12b may be the same direction.

商用電源３２１には、２つの商用電源電力ケーブル２２１，２２２が接続されており、各照明器具１０が備える第１の電源部１４ａの接続先が、２つの商用電源電力ケーブル２２１，２２２の間で車両進行方向に沿って交互に代わるように構成されている。太陽光発電装置３４１も、同様に２つの太陽光発電電力ケーブル２４１，２４２が接続されており、各照明器具１０が備える第２の電源部１４ｂの接続先が、２つの太陽光発電電力ケーブル２４１，２４２の間で車両進行方向に沿って交互に変化する。第１の電源部１４ａ及び第２の電源部１４ｂへの電力供給は、２つの商用電源電力ケーブル２２１，２２２及び２つの太陽光発電電力ケーブル２４１，２４２にそれぞれ設けられたリレー３８１ａ，３８１ｂ，３８１ｃ，３８１ｄを介して行われる。   Two commercial power supply cables 221 and 222 are connected to the commercial power supply 321, and the connection destination of the first power supply unit 14 a included in each lighting fixture 10 is between the two commercial power supply cables 221 and 222. It is comprised so that it may change alternately along a vehicle advancing direction. Similarly, the solar power generation device 341 is also connected to two solar power generation cables 241 and 242, and the connection destination of the second power supply unit 14 b included in each lighting fixture 10 is two solar power generation power cables 241. , 242 alternately change along the vehicle traveling direction. The power supply to the first power supply unit 14a and the second power supply unit 14b is performed by relays 381a, 381b, and 381c provided in the two commercial power supply power cables 221 and 222 and the two solar power generation power cables 241 and 242, respectively. , 381d.

太陽光発電装置３４１は蓄電装置を備えており、生成された電力はＤＣ／ＡＣインバータを介して第２の電源部１４ｂに供給される。なお、太陽光発電装置３４１で生成された余剰の電力を商用電源３２１側に供給するように構成してもよい。本実施形態においては、図１に示す構成とは異なり、第２の電源部１４ｂに商用電源から電力供給されることがないため、第２の電源部１４ｂに直流電力が供給されるように構成してもよい。   The solar power generation device 341 includes a power storage device, and the generated power is supplied to the second power supply unit 14b via a DC / AC inverter. In addition, you may comprise so that the surplus electric power produced | generated by the solar power generation device 341 may be supplied to the commercial power source 321 side. In the present embodiment, unlike the configuration shown in FIG. 1, power is not supplied from the commercial power supply to the second power supply unit 14 b, so that DC power is supplied to the second power supply unit 14 b. May be.

上記のトンネル用照明システム１００は、トンネル外（野外）の輝度を検知して、第１の照明体１２ａ及び第２の照明体１２ｂの点灯制御を行う自動調光装置（図示せず）を備えている。すなわち、図５に示す検知輝度に応じたモード決定方法に従い、検知した野外輝度が徐々に大きくなって各オン条件を満たす毎に、モードが「曇天２」→「曇天１」→「晴天２」→「晴天１」へと順次移行し、野外輝度が徐々に小さくなり各オフ条件を満たす毎に、上記モードが逆方向へと移動する。例えば、「曇天２」のモードにおいて、検知輝度が０．２５Ｌ（Ｌは予め設定された輝度）よりも大きくなると、「曇天１」に移行する。また、「晴天１」のモードにおいて、検知輝度が０．６Ｌよりも小さくなると、「晴天２」に移行する。   The tunnel illumination system 100 includes an automatic light control device (not shown) that detects the brightness outside the tunnel (outdoor) and controls lighting of the first illumination body 12a and the second illumination body 12b. ing. That is, according to the mode determination method corresponding to the detected luminance shown in FIG. 5, every time the detected outdoor luminance is gradually increased and satisfies each ON condition, the mode is “cloudy sky 2” → “cloudy sky 1” → “sunny sky 2”. → Sequentially shifts to “Sunny Day 1”, and the mode moves in the opposite direction each time the outdoor brightness gradually decreases and each off condition is satisfied. For example, in the “cloudy 2” mode, when the detected brightness is higher than 0.25 L (L is a preset brightness), the process shifts to “cloudy 1”. In addition, when the detected luminance is lower than 0.6 L in the “fine weather 1” mode, the process shifts to “fine weather 2”.

こうして、検知輝度に応じたモードが決定されると、図６に示すテーブルを参照して、リレー３８１ａ〜３８１ｄのオンオフ状態が決定される。例えば、「晴天１」のモードの場合、４つのリレー３８１ａ〜３８１ｄが全てオン状態となり、各照明器具１０の第１の照明体１２ａ及び第２の照明体１２ｂが全て点灯する。一方、「曇天２」のモードの場合、リレー３８１ａのみがオン状態となり、一方の商用電源電力ケーブル２２１に接続された照明器具１０の第１の照明体１２ａのみが点灯する。このように、入口照明を行うトンネル用照明システム１００は、通常時においては、野外が明るくなると輝度が高くなり、野外が暗くなると輝度が低下する。太陽光発電装置３４１は曇天時には発電効率が低下するが、図６から明らかなように、「曇天１」及び「曇天２」のモードではリレー３８１ｃ，３８１ｄがオフ状態であり、太陽光発電装置３４１からの電力供給は生じないため、特に問題にはならない。   Thus, when the mode according to the detected luminance is determined, the on / off states of the relays 381a to 381d are determined with reference to the table shown in FIG. For example, in the “sunny sky 1” mode, all the four relays 381a to 381d are turned on, and the first lighting body 12a and the second lighting body 12b of each lighting fixture 10 are all turned on. On the other hand, in the “cloudy sky 2” mode, only the relay 381a is turned on, and only the first illuminating body 12a of the luminaire 10 connected to one commercial power supply power cable 221 is lit. As described above, in the tunnel illumination system 100 that performs entrance illumination, in a normal state, the brightness increases when the field becomes bright, and the brightness decreases when the field becomes dark. The solar power generation device 341 has lower power generation efficiency when it is cloudy, but as is apparent from FIG. 6, the relays 381c and 381d are off in the “cloudy sky 1” and “cloudy sky 2” modes, and the solar power generation device 341 There is no particular problem because no power supply from is generated.

一方、停電時においては、商用電源３２１からの電力供給が停止して、太陽光発電装置３４１からのみ電力供給可能となるので、リレー３８１ｃ，３８１ｄをオン状態にして、第２の照明体１２ｂを点灯させる。   On the other hand, at the time of a power failure, the power supply from the commercial power supply 321 is stopped and power can be supplied only from the solar power generation device 341. Therefore, the relays 381c and 381d are turned on, and the second illumination body 12b is turned on. Light up.

このトンネル用照明システム１００によれば、入口照明が特に必要となる晴天時に停電が生じた場合に、太陽光発電装置３４１からの電力供給を十分確保して、照明を継続することができる。すなわち、昼間、運転者がトンネルに接近する際に生じる急激な輝度の変化と、進入直後から起きる眼の順応の遅れを、停電が発生した場合においても、太陽光発電装置３４１から電力供給を受けた第２の照明体１２ｂの照明により効果的に緩和することができる。   According to the tunnel illumination system 100, when a power failure occurs during a fine weather when entrance illumination is particularly necessary, sufficient power supply from the solar power generation device 341 can be secured and illumination can be continued. In other words, a sudden change in brightness that occurs when the driver approaches the tunnel during the daytime and a delay in the adaptation of the eyes that occurs immediately after entering the vehicle will receive power from the photovoltaic power generator 341 even when a power failure occurs. Further, it can be effectively mitigated by the illumination of the second illumination body 12b.

また、通常時においては、野外輝度に応じた明るさが要求される入口照明の電力の一部を、太陽光発電装置３４１により補うことができるので、効率の良い照明が可能である。すなわち、トンネル入口においては、基本照明を行うトンネル用照明システム（例えば、図１に示す構成）に加えて、入口照明を行うトンネル用照明システム（例えば、図４に示す構成）が配置され、昼間の基本照明及び入口照明の輝度は、図７に示すように、基本照明が一定である一方、入口照明については、モードが「曇天２」→「曇天１」→「晴天２」→「晴天１」と移行するにつれて、高くなるように設定されるのが通常である。図４に示すトンネル用照明システム１００は、高い照明輝度が要求される晴天時ほど発電量が多くなる太陽光発電装置３４１から電力供給可能に構成されているので、必要な電力を容易に確保することができる。但し、図４に示す電力供給部３００は、必ずしも商用電源３２１と太陽光発電装置３４１との組み合わせに限定されるものではなく、例えば、太陽光発電装置３４１に代えて、風力発電機や水力発電機など他の自然エネルギーを活用した電源であってもよく、或いは、これらを併用した電源システムであってもよい。   In addition, in normal times, a part of the power of the entrance illumination that requires brightness according to the outdoor luminance can be supplemented by the solar power generation device 341, so that efficient illumination is possible. That is, at the tunnel entrance, in addition to a tunnel illumination system that performs basic illumination (for example, the configuration shown in FIG. 1), a tunnel illumination system that performs entrance illumination (for example, the configuration shown in FIG. 4) is arranged. As shown in FIG. 7, the brightness of the basic illumination and the entrance illumination is constant for the basic illumination, while for the entrance illumination, the mode is “cloudy sky 2” → “cloudy sky 1” → “sunny sky 2” → “sunny sky 1”. It is usually set to become higher as it shifts. The tunnel illumination system 100 shown in FIG. 4 is configured to be able to supply power from the solar power generation device 341 whose power generation amount increases in fine weather when high illumination brightness is required, so that necessary power can be easily secured. be able to. However, the power supply unit 300 illustrated in FIG. 4 is not necessarily limited to the combination of the commercial power source 321 and the solar power generation device 341. For example, instead of the solar power generation device 341, a wind power generator or hydroelectric power generation is possible. A power source using other natural energy such as a machine may be used, or a power system using both of them may be used.

自動調光装置が野外輝度に応じて決定するモードは、上記のように「曇天２」、「曇天１」、「晴天２」及び「晴天１」の４種類に限定されるものではなく、例えば、「曇天」及び「晴天」の２種類であってもよい。この場合、検知輝度が基準輝度よりも高い「晴天」モード時に、第１の照明体１２ａ及び第２の照明体１２ｂを点灯させ、検知輝度が基準輝度よりも低い「曇天」モード時に、第１の照明体１２ａを点灯させ第２の照明体１２ｂを消灯させるように構成することができる。更に、「晴天」モード又は「曇天」モードにおいて、第１の照明体１２ａ又は第２の照明体１２ｂの照明輝度が野外輝度に応じて連続的に変化するように、自動調光装置を構成してもよい。   The modes determined by the automatic light control device according to the outdoor brightness are not limited to the four types of “cloudy sky 2”, “cloudy sky 1”, “sunny sky 2”, and “sunny sky 1” as described above. , “Cloudy weather” and “sunny weather” may be used. In this case, the first illuminating body 12a and the second illuminating body 12b are turned on in the “clear sky” mode in which the detected luminance is higher than the reference luminance, and in the “cloudy” mode in which the detected luminance is lower than the reference luminance. The lighting body 12a can be turned on and the second lighting body 12b can be turned off. Further, the automatic light control device is configured so that the illumination brightness of the first illumination body 12a or the second illumination body 12b continuously changes in accordance with the outdoor brightness in the “clear sky” mode or the “cloudy sky” mode. May be.

１，１００ トンネル用照明システム
１０ 照明器具
１２ａ 第１の照明体
１２ｂ 第２の照明体
１４ａ 第１の電源部
１４ｂ 第２の電源部
３０，３００ 電力供給部
３２，３２１ 商用電源
３４ 無停電電源
３６ 自家発電器
３４１ 太陽光発電装置 DESCRIPTION OF SYMBOLS 1,100 Tunnel illumination system 10 Lighting fixture 12a 1st lighting body 12b 2nd lighting body 14a 1st power supply part 14b 2nd power supply part 30,300 Power supply part 32,321 Commercial power supply 34 Uninterruptible power supply 36 Private power generator 341 Solar power generator

Claims (5)

車両が通過するトンネル内に車両進行方向に沿って間隔をあけて配置される複数の照明器具を備えるトンネル用照明システムであって、
前記各照明器具は、第１の照明体及び第２の照明体と、前記第１の照明体及び第２の照明体をそれぞれ個別に点灯させる第１の電源部及び第２の電源部とを備えており、
前記第１の電源部は商用電源から電力供給され、前記第２の電源部は停電時に前記商用電源とは異なる電源から電力供給されるように構成されているトンネル用照明システム。 A tunnel lighting system comprising a plurality of lighting fixtures arranged at intervals along a vehicle traveling direction in a tunnel through which a vehicle passes,
Each of the lighting fixtures includes a first lighting body and a second lighting body, and a first power supply unit and a second power supply unit that individually turn on the first lighting body and the second lighting body, respectively. Has
The tunnel lighting system is configured such that the first power supply unit is supplied with power from a commercial power source, and the second power source unit is supplied with power from a power source different from the commercial power source during a power failure. 前記第１の照明体及び第２の照明体は、主照射方向が互いに異なるように配置される請求項１に記載のトンネル用照明システム。   The tunnel illumination system according to claim 1, wherein the first illumination body and the second illumination body are arranged so that main irradiation directions are different from each other. 前記第１の照明体は、主照射方向が車両進行方向側を向くように配置され、 前記第２の照明体は、主照射方向がトンネル横断面に沿うように配置される請求項２に記載のトンネル用照明システム。   The said 1st lighting body is arrange | positioned so that the main irradiation direction may face the vehicle advancing direction side, The said 2nd lighting body is arrange | positioned so that the main irradiation direction may follow a tunnel cross section. Tunnel lighting system. 前記各照明器具は、トンネルの入口付近に配置されており、
前記第２の電源部は、太陽光発電により生じた電力が供給される請求項１に記載のトンネル用照明システム。 Each of the lighting fixtures is disposed near the entrance of the tunnel,
The tunnel illumination system according to claim 1, wherein the second power supply unit is supplied with electric power generated by solar power generation. トンネル外の輝度を検知して前記第１の照明体及び第２の照明体の点灯制御を行う自動調光装置を更に備え、
前記自動調光装置は、検知輝度が基準輝度よりも高い晴天時に、前記第１の照明体を点灯させると共に前記第２の照明体の少なくとも一部を点灯させ、検知輝度が基準輝度よりも低い曇天時に、前記第１の照明体の少なくとも一部を点灯させると共に前記第２の照明体は消灯させるように構成されており、停電時には、検知輝度に拘わらず前記第２の照明体を点灯させる請求項４に記載のトンネル用照明システム。
An automatic dimming device that detects the brightness outside the tunnel and controls the lighting of the first and second illumination bodies;
The automatic light control device turns on the first illumination body and lights at least a part of the second illumination body when the detection brightness is higher than the reference brightness, and the detection brightness is lower than the reference brightness. At the time of cloudy weather, at least a part of the first illuminating body is turned on and the second illuminating body is turned off, and at the time of a power failure, the second illuminating body is turned on regardless of the detected luminance. The tunnel illumination system according to claim 4.
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JP2015090772A (en) * 2013-11-05 2015-05-11 パナソニックＩｐマネジメント株式会社 Lighting device and lighting fixture
CN105813259A (en) * 2016-03-31 2016-07-27 苏州长玖节能科技服务有限公司 Tunnel lighting system for carrying out lighting based on lanes in which vehicles run
KR101907565B1 (en) 2017-04-03 2018-12-10 전오식 Power auto conversion box
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Publication number Priority date Publication date Assignee Title
JP2015090772A (en) * 2013-11-05 2015-05-11 パナソニックＩｐマネジメント株式会社 Lighting device and lighting fixture
CN105813259A (en) * 2016-03-31 2016-07-27 苏州长玖节能科技服务有限公司 Tunnel lighting system for carrying out lighting based on lanes in which vehicles run
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KR101907565B1 (en) 2017-04-03 2018-12-10 전오식 Power auto conversion box
CN111465136A (en) * 2020-04-11 2020-07-28 齐鲁交通信息集团有限公司 Highway wisdom tunnel lighting control system

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