EP0593915A1 - Verfahren und Vorrichtung zur Beleuchtung der Eingangszone von Tunneln, insbesondere Strassen- und Autobahntunnel - Google Patents

Verfahren und Vorrichtung zur Beleuchtung der Eingangszone von Tunneln, insbesondere Strassen- und Autobahntunnel Download PDF

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Publication number
EP0593915A1
EP0593915A1 EP93115144A EP93115144A EP0593915A1 EP 0593915 A1 EP0593915 A1 EP 0593915A1 EP 93115144 A EP93115144 A EP 93115144A EP 93115144 A EP93115144 A EP 93115144A EP 0593915 A1 EP0593915 A1 EP 0593915A1
Authority
EP
European Patent Office
Prior art keywords
tunnel
entrance
light
tunnels
vehicles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93115144A
Other languages
English (en)
French (fr)
Other versions
EP0593915B1 (de
Inventor
Emilio Barlocco
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DIACON Srl
Original Assignee
DIACON Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DIACON Srl filed Critical DIACON Srl
Publication of EP0593915A1 publication Critical patent/EP0593915A1/de
Application granted granted Critical
Publication of EP0593915B1 publication Critical patent/EP0593915B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00—Non-electric lighting devices or systems using daylight
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges

Definitions

  • This invention concerns a method and a device for illuminating the entrance portions of tunnels, particularly of tunnels in highways and motorways.
  • the tunnel lighting systems are intensified at the tunnel entrance portions.
  • the object of the invention is to provide a method of illuminating the entrance portions of tunnels, especially during day-time, which will allow to considerably reduce the presently required, important consumption of electric energy.
  • the invention further aims to provide a device for carrying out the said method, which should be rather inexpen sive, easily assembled, and safely operated.
  • the method of illuminating the entrance portions of tunnels provides for the tunnel entrance portions to be illuminated over a length that is sufficient for a driver's eyes to become accomodated to the conditions of a lesser degree of light in a tunnel at a predetermined, maximum running speed of vehicles, by having the light outside a tunnel, or external light, suitably reflected toward the tunnel entrance and into the tunnel interior.
  • the external light may be concentrated into a beam having a higher light density.
  • the device according to the invention contemplates a reflecting element which is arranged at a distance from, and upstream of the entrance of a tunnel, relative to the running direction of vehicles, and has its reflecting surface turned toward the tunnel entrance.
  • the device of the invention is independent from any source of energy renders it possible to have this device easily installed.
  • the reflected light which is turned in the sense of the vehicles transit, and is directed to the inward portion of the tunnel entrance and on the roadway at this inward portion, strikes upon the vehicles from behind so that any risk of the drivers' eyes to be dazzled, is avoided.
  • the size of a reflecting element can be suitably determined so as to provide such an illumination in a tunnel that is sufficient for eliminating the sudden falling of light in the tunnel entrance and for preventing the vehicles transiting through the tunnel in the contrary direction, from being frontally illuminated, which would dazzle the drivers'eyes.
  • the reflecting element 2 has its reflecting surface 3 turned toward the entrance I of tunnel G, and this reflecting surface is so turned that the incident external light E falling thereupon, is reflected as shown by reference letter R, into the interior of the tunnel entrance I, and on the roadway at the tunnel entrance inward portion.
  • the reflecting panel 2 is so arranged and orientated that the reflected light R is set at an angle that allows the reflected light to penetrate for a length L through and into the tunnel entrance.
  • the longitudinal extent of this length is such that at a predetermined maximum speed of vehicles transiting through a tunnel, it is sufficient for assuring a gradual accomodation of the drivers' eyes to the conditions of a lesser degree of light in the tunnel, so that the "dark orifice" effect is eliminated.
  • the framework 1 may be of a trellis or tubular construction, and on its front side which is turned toward the incoming vehicles, as indicated by arrow V, it may also carry signaling elements, such as a signaling panel.
  • the reflecting element 2 or its reflecting surface 3 may be formed by the rear side of the not shown signaling panel, which is opposite to the tunnel entrance, or the same may be supported on the said rear side of this panel.
  • the reflecting element 2 is arranged at a distance D upstream of the entrance I of tunnel G.
  • the reflecting surface 3 may be of any suitable type, and it may consist of mirror elements that can be differently composed, or of metal panels having a high coefficient of reflection.
  • the reflecting panel 2 may be carried in a shiftable and orientatable manner owing to the provision of actuating means for causing it to swing in the horizontal and vertical direction, and of actuating means for causing it to slide in the transversal or vertical direction (both not shown).
  • the actuating means can be automatically controlled by means of a control unit, such as a training unit, according to brightness sensors, and these means permit to still have optimum features of illumination even with the external light being set at a different angle, and having a different intensity, such as according to the varying position of the sun
  • the reflecting surface 3 is so orientated and arranged that no reflection of light is produced in the contrary direction to the vehicles running direction V, so that any risk of the drivers' eyes to be dazzled, is efficaciously avoided.
  • the reflecting surface 3 may be made in form of a flat, entirely or locally curved, for example concave, surface. This surface may also consist of a plurality of individually curved modules. It is also possible to make the reflecting surface 3 with an angle of curvature which may be varied in one or in two dimensions.
  • this surface may be treated with a matter that prevents the adhesion of dirt thereto. It is also possibile to have cleaning means of the manually operated, or servo-control operated, or automatic type, associated with the reflecting panel 2 for cleaning its reflecting surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Road Signs Or Road Markings (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP93115144A 1992-10-05 1993-09-21 Verfahren und Vorrichtung zur Beleuchtung der Eingangszone von Tunneln, insbesondere Strassen- und Autobahntunnel Expired - Lifetime EP0593915B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITGE92103 1992-10-05
ITGE920103A IT1257449B (it) 1992-10-05 1992-10-05 Metodo e dispositivo per l'illuminazione delle zone d'imbocco delle gallerie,in particolare stradali ed autostradali.

Publications (2)

Publication Number Publication Date
EP0593915A1 true EP0593915A1 (de) 1994-04-27
EP0593915B1 EP0593915B1 (de) 1998-01-14

Family

ID=11354331

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93115144A Expired - Lifetime EP0593915B1 (de) 1992-10-05 1993-09-21 Verfahren und Vorrichtung zur Beleuchtung der Eingangszone von Tunneln, insbesondere Strassen- und Autobahntunnel

Country Status (4)

Country Link
EP (1) EP0593915B1 (de)
AT (1) ATE162288T1 (de)
ES (1) ES2114987T3 (de)
IT (1) IT1257449B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1892464A1 (de) * 2006-08-03 2008-02-27 Alfred Korsch Lichtleitanordnung
CN103423698A (zh) * 2013-08-08 2013-12-04 山西天脊山电动车船有限公司 无能耗公路隧道口反光镜
CN113464893A (zh) * 2021-07-14 2021-10-01 招商局重庆交通科研设计院有限公司 一种具有无影功能的隧道太阳光投射照明的路侧安装方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2334951A1 (de) * 1973-07-10 1975-01-30 Siebenbrock Genannt Thier Paul Vermittlung von natuerlichem licht mittels spiegelreflektionen durch schaechte, die von der erdoberflaeche in unterirdische anlagen (fabrikationsanlagen, tunnels, wohnungen, gesellschaftsraeume usw.) fuehren und mit spiegeln gemaess anlage ausgestattet sind
DE3408649A1 (de) * 1984-03-09 1985-09-12 Ed. Züblin AG, 7000 Stuttgart Traeger fuer tageslichtraster und verfahren zu dessen herstellung
JPS6127517A (ja) * 1984-07-18 1986-02-07 P S Kankyo Giken Kk 太陽光線反射装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2334951A1 (de) * 1973-07-10 1975-01-30 Siebenbrock Genannt Thier Paul Vermittlung von natuerlichem licht mittels spiegelreflektionen durch schaechte, die von der erdoberflaeche in unterirdische anlagen (fabrikationsanlagen, tunnels, wohnungen, gesellschaftsraeume usw.) fuehren und mit spiegeln gemaess anlage ausgestattet sind
DE3408649A1 (de) * 1984-03-09 1985-09-12 Ed. Züblin AG, 7000 Stuttgart Traeger fuer tageslichtraster und verfahren zu dessen herstellung
JPS6127517A (ja) * 1984-07-18 1986-02-07 P S Kankyo Giken Kk 太陽光線反射装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section PQ Week 9325, Derwent World Patents Index; Class Q71, AN 93-203549 *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 180 (P - 471)<2236> 24 June 1986 (1986-06-24) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1892464A1 (de) * 2006-08-03 2008-02-27 Alfred Korsch Lichtleitanordnung
CN103423698A (zh) * 2013-08-08 2013-12-04 山西天脊山电动车船有限公司 无能耗公路隧道口反光镜
CN113464893A (zh) * 2021-07-14 2021-10-01 招商局重庆交通科研设计院有限公司 一种具有无影功能的隧道太阳光投射照明的路侧安装方法

Also Published As

Publication number Publication date
EP0593915B1 (de) 1998-01-14
ES2114987T3 (es) 1998-06-16
ITGE920103A0 (it) 1992-10-05
ITGE920103A1 (it) 1994-04-05
ATE162288T1 (de) 1998-01-15
IT1257449B (it) 1996-01-25

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