EP2743564B2 - Lighting device and illumination arrangement for lighting the interior of a tower or tunnel - Google Patents

Lighting device and illumination arrangement for lighting the interior of a tower or tunnel Download PDF

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Publication number
EP2743564B2
EP2743564B2 EP13193863.1A EP13193863A EP2743564B2 EP 2743564 B2 EP2743564 B2 EP 2743564B2 EP 13193863 A EP13193863 A EP 13193863A EP 2743564 B2 EP2743564 B2 EP 2743564B2
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EP
European Patent Office
Prior art keywords
lighting
light
housing
tower
devices
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EP13193863.1A
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German (de)
French (fr)
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EP2743564B1 (en
EP2743564A1 (en
Inventor
Christian Heggemann
Daniel Müther
Michael GERKENS
Hans Schlingmann
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Weidmueller Interface GmbH and Co KG
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Weidmueller Interface GmbH and Co KG
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Priority claimed from DE202012104882.5U external-priority patent/DE202012104882U1/en
Application filed by Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
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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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/10—Lighting devices or systems using a string or strip of light sources with light sources attached to loose electric cables, e.g. Christmas tree lights
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V7/0066—Reflectors for light sources specially adapted to cooperate with point like light sources; specially adapted to cooperate with light sources the shape of which is unspecified
    • 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
    • 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
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/411—Lighting for industrial, commercial, recreational or military use for inspection of the interior of hollow structures, e.g. vessels, tubes
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/90—Light sources with three-dimensionally disposed light-generating elements on two opposite sides of supports or substrates
    • 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]

Definitions

  • the invention relates to a lighting arrangement for illuminating the interior of a tower or tunnel, in particular a wind turbine tower.
  • the illumination arrangement has two or preferably a plurality of illumination devices arranged at a distance from one another, which are electrically conductively connected to one another by a cable or a plurality of cable sections with electrical line conductors, wherein the illumination devices each have a housing which is in any case designed to be partially transparent.
  • Such lighting arrangements e.g. for the tower of a wind turbine are known per se.
  • illumination devices which have connections on opposite sides of the housing for the power supply or forwarding of the power supply to a further illumination device.
  • Several such lighting devices can be connected via cable sections to a lighting arrangement in the form of a chain, which is arranged along a tower or tunnel. The lighting devices radiate essentially in a direction transverse to the cable sections and thus transversely to the longitudinal axis of the tower.
  • a lighting arrangement according to the preamble of claim 1 is known as "ENERCON LED light NL 24" from the publication “Harting for power engineering” of 06 August 2009.
  • the pamphlets JP 2002-157914 A and DE 100 29 069 A1 describe luminous bodies that use light-emitting diodes (LEDs) as light bulbs instead of incandescent lamps.
  • the luminous bodies have a printed circuit board, which builds LEDs on both sides, whereby a radiation is achieved on both sides.
  • the publication US 2006/0083017 A1 shows a navigation light, which also uses LEDs as bulbs.
  • the LEDs are also arranged on both sides of a circuit board, which is perpendicular to a mounting plate of the navigation light to achieve lateral radiation. It is therefore the object of the innovation to further develop the lighting arrangement of the generic type of art that with only a small amount of equipment and with only a few lighting devices, the tower interior is illuminated satisfactorily.
  • a preferred illumination arrangement 1 has two or more illumination devices 2 arranged at a distance from one another, which are electrically conductively connected to one another by a cable or as shown here by a plurality of cable sections 4 and which are connected to the inner wall 3 of a tower, in particular a wind turbine tower. are arranged.
  • Each lighting device 2 has a housing 5, which consists of a housing base 6 and a mounted on the housing base 6 and fastened (fastener 18) housing cover 7, wherein the housing cover 7 completely or at least partially made of a transparent, well-transparent material.
  • an intermediate frame may be provided between the housing parts.
  • the housing 5 has a substantially oblong, preferably rectangular, shape in plan view.
  • the housing base part At two opposite ends of the housing, here the housing base part, the housing with connectors 8, 9 ( Fig. 2 ), which are designed with plugged-on at the opposite ends of the cable sections 4 connectors 10, 11 ( Fig. 1 ) of a corresponding type.
  • a cable can be connected directly to a terminal in the housing or it could be done on a continuous cable taps.
  • the at least one printed circuit board 14 is aligned in a plane which extends in two directions defining the plane perpendicular or nearly perpendicular to the axial direction X of the tower or to the housing base part.
  • each one or more lamps 19, 20 arranged, which are aligned so that they emit their light substantially in 180 ° from each other away from each other directions.
  • the lighting devices 2 and their housing 5 are arranged by suitable means such as screws or the like. On the inner wall 3 of the tower that the light of the bulbs 19, 20 on one side in the vertical tower up and on the other side down seems.
  • LEDs are suitable as the light-emitting means 19, 20, which nevertheless generate a well-focused intense light beam with a compact design and low energy consumption.
  • optical devices such as collimators 15, 16, with which the light is focused and / or focused, so that the light beam radiates into the tower interior in a substantially well-bundled manner.
  • optical devices can advantageously be integrated directly into the housing cover 7.
  • a projecting dome 17 (in the sense of a vertically protruding from the housing cover contour projection) is formed, in which the circuit board 14 projects with the bulbs 19, 20, wherein the bulbs 19, 20 with the collimators 15th 16 each lie just below the section of translucent walls of this dome in any case
  • One or more of the cable pieces 4 are electrically connected to a suitable power supply of the wind turbine tower, for example to a control cabinet. Overall, such a suitable electrical circuit is realized, to which the lighting devices and the cable pieces belong.
  • this has an integrated and the light-emitting means 19, 20 upstream voltage converter, which allows operation of the illumination device 2 in a wide input voltage range.
  • the input voltage range extends from about 24 V (volts) to about 280 V, wherein a supply of DC and / or AC voltage can be provided.
  • different supply voltage connections are present on the illumination device 2, to which different types of voltage (direct or alternating voltage) and / or different voltage ranges are assigned.
  • different supply voltage connections can be linked to different operating modes of the illumination device 2, for example a first supply voltage connection for normal operation of the illumination device 2 and a second supply voltage connection for an emergency or safety operation with reduced power consumption.
  • the second supply voltage connection can then be connected, for example, to an uninterruptible power supply unit (UPS).
  • UPS uninterruptible power supply unit
  • a feed can be made in the tower base with a voltage which is in an upper section of the operating voltage range, for example 120 V. Due to the higher voltage, the illumination devices 2 are already smaller Currents sufficient as in a feed with 24 V.
  • the voltage drop in the cable sections 4 is therefore relatively small even with a small conductor cross-section.
  • the conductor cross-section for the cable sections 4 can be chosen so small that a voltage drop to the lower end of the operating voltage range (ie, for example, 24 V) for the arranged at the top of the tower lighting device 2 is harmless.
  • the lighting arrangement 1 with a significantly smaller conductor cross-section in the cable sections 4 fully functional over the entire tower height (or tunnel length) can be operated.
  • the light cones of the bulbs and the cable sections 4 extend parallel to each other, which means in the sense of this document that they extend exactly parallel or at an angle which deviates less than 15 ° from the parallel (or here vertical) , Such a slight deviation of the light cone from the parallel direction (“approximately parallel”) may be advantageous in order to minimize any glare on a person who climbs up the tower.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

Die Erfindung betrifft eine Beleuchtungsanordnung zum Beleuchten des Innenraums eines Turmes oder Tunnels, insbesondere eines Windkraftanlagenturmes. Die Beleuchtungsanordnung weist zwei oder vorzugsweise mehrere zueinander beabstandet angeordneten Beleuchtungseinrichtungen auf, die durch ein Kabel oder mehrere Kabelabschnitte mit elektrischen Leitungsadern elektrisch leitend miteinander verbunden sind, wobei die Beleuchtungseinrichtungen jeweils ein Gehäuse aufweisen, das jedenfalls teiltransparent ausgelegt ist.The invention relates to a lighting arrangement for illuminating the interior of a tower or tunnel, in particular a wind turbine tower. The illumination arrangement has two or preferably a plurality of illumination devices arranged at a distance from one another, which are electrically conductively connected to one another by a cable or a plurality of cable sections with electrical line conductors, wherein the illumination devices each have a housing which is in any case designed to be partially transparent.

Derartige Beleuchtungsanordnungen z.B. für den Turm einer Windkraftanlage sind zwar an sich bekannt.Such lighting arrangements e.g. for the tower of a wind turbine are known per se.

Aus den Druckschriften US 2005/0190553 A1 und EP 2 284 438 A1 sind beispielsweise Beleuchtungseinrichtungen bekannt, die an gegenüberliegenden Gehäuseseiten Anschlüsse zur Stromversorgung bzw. Weiterleitung der Stromversorgung an eine weitere Beleuchtungseinrichtung aufweisen. Mehrere derartige Beleuchtungseinrichtungen können über Kabelabschnitte zu einer Beleuchtungsanordnung in Form einer Kette verbunden werden, die entlang eines Turms oder Tunnels angeordnet wird. Die Beleuchtungseinrichtungen strahlen dabei im Wesentlich in eine Richtung quer zu den Kabelabschnitten und damit quer zu der Längsachse des Turms ab.From the pamphlets US 2005/0190553 A1 and EP 2 284 438 A1 For example, illumination devices are known which have connections on opposite sides of the housing for the power supply or forwarding of the power supply to a further illumination device. Several such lighting devices can be connected via cable sections to a lighting arrangement in the form of a chain, which is arranged along a tower or tunnel. The lighting devices radiate essentially in a direction transverse to the cable sections and thus transversely to the longitudinal axis of the tower.

Die bekannten Ausführungen werden aber der Anforderung nach einer zufriedenstellenden Beleuchtung des Turminneren nur eingeschränkt gerecht, zumal bei bestehenden Beleuchtungsanordnungen oftmals relativ viele Leuchteinrichtungen benötigt werden, was den Installations- und Wartungsaufwand sowie den Energieverbrauch unnötig erhöht.However, the known designs meet the requirement for a satisfactory illumination of the tower interior only limited, especially in existing lighting arrangements often relatively many lighting fixtures are needed, which unnecessarily increases the installation and maintenance costs and energy consumption.

Eine Beleuchtungsanordnung gemäß dem Oberbegriff von Anspruch 1 ist als "ENERCON LED-Leuchte NL 24" aus der Publikation "Harting für Energietechnik" vom 06. August 2009 bekannt.A lighting arrangement according to the preamble of claim 1 is known as "ENERCON LED light NL 24" from the publication "Harting for power engineering" of 06 August 2009.

Die Druckschriften JP 2002-157914 A und DE 100 29 069 A1 beschreiben Leuchtkörper, die anstelle von Glühlampen Leuchtdioden (LEDs) als Leuchtmittel einsetzen. Die Leuchtkörper weisen eine Leiterplatte auf, die baut beiden Seiten LEDs trägt, wodurch eine Abstrahlung zu beiden Seiten erzielt wird. Die Druckschrift US 2006/0083017 A1 zeigt eine Navigationsleuchte, die ebenfalls LEDs als Leuchtmittel verwendet. Die LEDs sind dabei ebenfalls beidseitig auf einer Leiterplatte angeordnet, die senkrecht zu einer Montageplatte der Navigationsleuchte steht, um eine seitliche Abstrahlung zu erzielen.
Es ist daher die Aufgabe der Neuerung, die Beleuchtungsanordnung der gattungsgemäßen Art der art weiterzuentwickeln, dass mit einem nur geringen apparativen Aufwand und mit nur relativ wenigen Beleuchtungseinrichtungen das Turminnere zufriedenstellend ausgeleuchtet wird.The pamphlets JP 2002-157914 A and DE 100 29 069 A1 describe luminous bodies that use light-emitting diodes (LEDs) as light bulbs instead of incandescent lamps. The luminous bodies have a printed circuit board, which builds LEDs on both sides, whereby a radiation is achieved on both sides. The publication US 2006/0083017 A1 shows a navigation light, which also uses LEDs as bulbs. The LEDs are also arranged on both sides of a circuit board, which is perpendicular to a mounting plate of the navigation light to achieve lateral radiation.
It is therefore the object of the innovation to further develop the lighting arrangement of the generic type of art that with only a small amount of equipment and with only a few lighting devices, the tower interior is illuminated satisfactorily.

Diese Aufgabe wird durch eine Beleuchtungsanordnung gemäß Anspruch 1 gelöst.This object is achieved by a lighting arrangement according to claim 1.

Vorteilhafte Ausgestaltungen der Erfindung sind den Unteransprüchen zu entnehmen.Advantageous embodiments of the invention can be found in the dependent claims.

Nachfolgend wird die Erfindung unter Bezug auf die Zeichnung anhand von Ausführungsbeispielen näher beschrieben. Es zeigen:

Fig. 1
eine perspektivische Ansicht einer Innenseite eines Wandsegmentes eines Windkraftanlagenturmes mit einer Beleuchtungsanordnung; und
Fig. 2
in Fig. 2a eine Schnittansicht einer Leuchteinrichtung der Beleuchtungsanlage längs der Linie A-A der Draufsicht auf die Leuchteinrichtung nach Fig.2b.
The invention will be described in more detail below with reference to the drawing with reference to exemplary embodiments. Show it:
Fig. 1
a perspective view of an inside of a wall segment of a wind turbine tower with a lighting arrangement; and
Fig. 2
in Fig. 2a a sectional view of a lighting device of the lighting system along the line AA of the plan view of the lighting device according to 2b ,

Wie aus Fig. 1 ersichtlich, weist eine bevorzugte Beleuchtungsanordnung 1 zwei oder mehrere zueinander beabstandet angeordnete Beleuchtungseinrichtungen 2 auf, die durch ein Kabel oder wie hier dargestellt durch mehrere Kabelabschnitte 4 mit elektrischen Leitungsadern elektrisch leitend miteinander verbunden sind und die an der Innenwand 3 eines Turmes, insbesondere eines Windkraftanlagenturmes, angeordnet sind.How out Fig. 1 2, a preferred illumination arrangement 1 has two or more illumination devices 2 arranged at a distance from one another, which are electrically conductively connected to one another by a cable or as shown here by a plurality of cable sections 4 and which are connected to the inner wall 3 of a tower, in particular a wind turbine tower. are arranged.

Jede Beleuchtungseinrichtung 2 weist ein Gehäuse 5 auf, das aus einem Gehäusegrundteil 6 und einem auf das Gehäusegrundteil 6 aufgesetzten und befestigten (Befestigungsmittel 18) Gehäusedeckel 7 besteht, wobei der Gehäusedeckel 7 ganz oder jedenfalls teilweise aus einem transparenten, gut lichtdurchlässigen Material besteht. Optional kann zwischen den Gehäuseteilen ein Zwischenrahmen vorgesehen sein.Each lighting device 2 has a housing 5, which consists of a housing base 6 and a mounted on the housing base 6 and fastened (fastener 18) housing cover 7, wherein the housing cover 7 completely or at least partially made of a transparent, well-transparent material. Optionally, an intermediate frame may be provided between the housing parts.

Das Gehäuse 5 weist hier in bevorzugter aber nicht zwingender Ausgestaltung eine in Draufsicht im Wesentlichen längliche, vorzugweise rechteckige Form auf.Here, in a preferred but not mandatory embodiment, the housing 5 has a substantially oblong, preferably rectangular, shape in plan view.

An zwei voneinander abgewandten Enden des Gehäuses, hier des Gehäusegrundteiles, ist das Gehäuse mit Steckverbindern 8, 9 (Fig. 2) versehen, welche dazu ausgelegt sind, mit an den gegenüber liegenden Enden der Kabelabschnitte 4 angeschlagenen Steckverbindern 10, 11 (Fig. 1) eines korrespondierenden Typs zusammengesteckt zu werden.At two opposite ends of the housing, here the housing base part, the housing with connectors 8, 9 ( Fig. 2 ), which are designed with plugged-on at the opposite ends of the cable sections 4 connectors 10, 11 ( Fig. 1 ) of a corresponding type.

Von den beiden Steckverbindern 8, 9 am Gehäuse 5 sind direkt oder über hier nicht dargestellte zwischengeschaltete Bauelemente Leiter 12, 13 bis zu einer Leiterplatte 14 geführt, mit welcher sie leitend verbunden sind.Of the two connectors 8, 9 on the housing 5 are direct or not shown here intermediate components conductors 12, 13 led to a circuit board 14, with which they are conductively connected.

Alternativ könne auch ein Kabel direkt an eine Klemme im Gehäuse angeschlossen werden oder es könnten an einem durchgehenden Kabel Abgriffe erfolgen.
Die wenigstens eine Leiterplatte 14 ist in einer Ebene ausgerichtet, die sich in beiden die Ebene definierenden Richtungen senkrecht oder nahezu senkrecht zur Axialrichtung X des Turmes bzw. zum Gehäusegrundteil erstreckt.Alternatively, a cable can be connected directly to a terminal in the housing or it could be done on a continuous cable taps.
The at least one printed circuit board 14 is aligned in a plane which extends in two directions defining the plane perpendicular or nearly perpendicular to the axial direction X of the tower or to the housing base part.

Dabei sind auf voneinander abgewandten Seiten der wenigstens einen Leiterplatte 14 jeweils eines oder mehrere Leuchtmittel 19, 20 angeordnet, die derart ausgerichtet sind, dass sie ihr Licht im Wesentlichen in um 180° voneinander voneinander abgewandte Richtungen abstrahlen.In this case, on opposite sides of the at least one printed circuit board 14 are each one or more lamps 19, 20 arranged, which are aligned so that they emit their light substantially in 180 ° from each other away from each other directions.

Die Beleuchtungseinrichtungen 2 bzw. deren Gehäuse 5 werden mit geeigneten Mitteln wie Schrauben oder dgl. derart an der Innenwand 3 des Turmes angeordnet, dass das Licht der Leuchtmittel 19, 20 auf der einen Seite im vertikalen Turm nach oben und auf der anderen Seite nach unten scheint.The lighting devices 2 and their housing 5 are arranged by suitable means such as screws or the like. On the inner wall 3 of the tower that the light of the bulbs 19, 20 on one side in the vertical tower up and on the other side down seems.

Als die Leuchtmittel 19, 20 sind insbesondere LEDs geeignet, welche bei kompakter Bauweise und niedrigem Energieverbrauch dennoch einen gut fokussierbaren intensiven Lichtstrahl erzeugen.In particular, LEDs are suitable as the light-emitting means 19, 20, which nevertheless generate a well-focused intense light beam with a compact design and low energy consumption.

Es ist vorteilhaft, den Leuchtmitteln 19, 20 jeweils optische Einrichtungen wie z.B. Kollimatoren 15, 16 zuzuordnen, mit welchen das Licht fokussiert und/oder gebündelt wird, so dass der Lichtstrahl im Wesentlichen gut gebündelt in den Turminnenraum hinein strahlt. Diese optischen Einrichtungen können vorteilhaft direkt in den Gehäusedeckel 7 integriert werden.It is advantageous to associate the light sources 19, 20 with optical devices such as collimators 15, 16, with which the light is focused and / or focused, so that the light beam radiates into the tower interior in a substantially well-bundled manner. These optical devices can advantageously be integrated directly into the housing cover 7.

Zu erwähnen ist noch, dass hier im Gehäusedeckel ein vorspringender Dom 17 (im Sinne eines senkrecht aus der Gehäusedeckelkontur vorspringenden Ansatzes) ausgebildet ist, in welchen die Leiterplatte 14 mit den Leuchtmitteln 19, 20 hineinragt, wobei die Leuchtmittel 19, 20 mit den Kollimatoren 15, 16 jeweils kurz unterhalb der jedenfalls abschnittsweise lichtdurchlässigen Wände dieses Domes liegenIt should also be mentioned that here in the housing cover a projecting dome 17 (in the sense of a vertically protruding from the housing cover contour projection) is formed, in which the circuit board 14 projects with the bulbs 19, 20, wherein the bulbs 19, 20 with the collimators 15th 16 each lie just below the section of translucent walls of this dome in any case

Eines oder mehrere der Kabelstücke 4 werden elektrisch an eine geeignete Spannungsversorgung des Windkraftanlagenturmes angeschlossen, beispielsweise an einem Schaltschrank. Insgesamt wird derart ein geeigneter elektrischer Schaltkreis realisiert, zu dem die Leuchteinrichtungen und die Kabelstücke gehören.One or more of the cable pieces 4 are electrically connected to a suitable power supply of the wind turbine tower, for example to a control cabinet. Overall, such a suitable electrical circuit is realized, to which the lighting devices and the cable pieces belong.

In einer vorteilhaften Ausgestaltung der Beleuchtungseinrichtung 2 weist diese einen integrierten und den Leuchtmitteln 19, 20 vorgeschalteten Spannungswandler auf, der einen Betrieb der Beleuchtungseinrichtung 2 in einem weiten Eingangsspannungsbereich zulässt. Besonders vorteilhaft reicht der Eingangsspannungsbereich von etwa 24 V (Volt) bis etwa 280 V, wobei eine Versorgung mit Gleich- und/oder Wechselspannung vorgesehen sein kann.In an advantageous embodiment of the illumination device 2, this has an integrated and the light-emitting means 19, 20 upstream voltage converter, which allows operation of the illumination device 2 in a wide input voltage range. Particularly advantageously, the input voltage range extends from about 24 V (volts) to about 280 V, wherein a supply of DC and / or AC voltage can be provided.

In einer Weiterbildung kann zudem vorgesehen sein, dass verschiedene Versorgungsspannungsanschlüsse an der Beleuchtungseinrichtung 2 vorhanden sind, denen unterschiedliche Spannungsarten (Gleich- bzw. Wechselspannung) und/oder unterschiedliche Spannungsbereiche zugeordnet sind. Gegebenenfalls sind in dem Fall mehrere Spannungswandler integriert. Die verschiedenen Versorgungsspannungsanschlüsse können mit unterschiedlichen Betriebsarten der Beleuchtungseinrichtung 2 verknüpft sein, beispielsweise ein erster Versorgungsspannungsanschluss für einen Normalbetrieb der Beleuchtungseinrichtung 2 und ein zweiter Versorgungsspannungsanschluss für einen Not- oder Sicherheitsbetrieb mit verminderter Leistungsaufnahme. Der zweite Versorgungsspannungsanschluss kann dann beispielsweise mit einer unterbrechungsfreien Stromversorgungseinheit (USV) verbunden werden.In a development, it can also be provided that different supply voltage connections are present on the illumination device 2, to which different types of voltage (direct or alternating voltage) and / or different voltage ranges are assigned. Optionally, several voltage transformers are integrated in the case. The different supply voltage connections can be linked to different operating modes of the illumination device 2, for example a first supply voltage connection for normal operation of the illumination device 2 and a second supply voltage connection for an emergency or safety operation with reduced power consumption. The second supply voltage connection can then be connected, for example, to an uninterruptible power supply unit (UPS).

Nach dem Stand der Technik werden Beleuchtungsanordnungen für Windkraftanlagentürme häufig mit einer Gleichspannung von 24 V betrieben, die am Turmfuß in die Beleuchtungsanordnung eingespeist wird. Bei einer Turmhöhe, die 100 m (Meter) oder mehr betragen kann, wird ein vergleichsweise großer Leitungsquerschnitt von mindestens etwa 6 mm2 (Quadratmillimetern) für die die Beleuchtungseinrichtungen verbindenden Kabel benötigt, damit trotz des Spannungsabfalls in den Kabeln auch die im oberen Bereich des Turmes angeordneten Beleuchtungseinrichtungen noch eine ausreichend hohe Spannung zu ihrem Betrieb zur Verfügung haben.In the prior art lighting arrangements for wind turbine towers are often operated with a DC voltage of 24 V, which is fed at the base of the tower in the lighting arrangement. With a tower height that can be 100 m (meters) or more, a comparatively large cable cross-section of at least about 6 mm 2 (square millimeters) is required for the cables connecting the lighting devices, so that in spite of the voltage drop in the cables and in the upper area of the Turmes arranged lighting devices still have a sufficiently high voltage available for their operation.

Durch den weiten Betriebsspannungsbereich bei der genannten vorteilhaften Ausgestaltung der anmeldungsgemäßen Beleuchtungseinrichtung 2 kann eine Einspeisung im Turmfuß mit einer Spannung erfolgen, die in einem oberen Abschnitt des Betriebsspannungsbereichs liegt, beispielsweise mit 120 V. Aufgrund der höheren Spannung sind für den Betrieb der Beleuchtungseinrichtungen 2 bereits kleinere Ströme ausreichend als bei einer Einspeisung mit 24 V. Der Spannungsabfall in den Kabelabschnitten 4 ist also auch bei einem kleinen Leiterquerschnitt relativ gering. Zudem kann der Leiterquerschnitt für die Kabelabschnitte 4 so klein gewählt werden, dass ein Spannungsabfall bis zum unteren Ende des Betriebsspannungsbereichs (also beispielsweise 24 V) für die am oberen Turmende angeordneten Beleuchtungseinrichtung 2 unschädlich ist. So kann die Beleuchtungsanordnung 1 mit einem deutlich geringeren Leiterquerschnitt bei den Kabelabschnitten 4 voll funktionsfähig über die gesamte Turmhöhe (bzw. Tunnellänge) betrieben werden.Due to the wide operating voltage range in the cited advantageous embodiment of the lighting device 2 according to the application, a feed can be made in the tower base with a voltage which is in an upper section of the operating voltage range, for example 120 V. Due to the higher voltage, the illumination devices 2 are already smaller Currents sufficient as in a feed with 24 V. The voltage drop in the cable sections 4 is therefore relatively small even with a small conductor cross-section. In addition, the conductor cross-section for the cable sections 4 can be chosen so small that a voltage drop to the lower end of the operating voltage range (ie, for example, 24 V) for the arranged at the top of the tower lighting device 2 is harmless. Thus, the lighting arrangement 1 with a significantly smaller conductor cross-section in the cable sections 4 fully functional over the entire tower height (or tunnel length) can be operated.

Durch die anmeldungsgemäße Beleuchtungsanordnung wird es möglich, mit einfachen Mitteln und nur wenigen der Beleuchtungseinrichtungen den Innenraum eines Turmes so auszuleuchten, dass er gefahrlos an einer Leiter erklommen werden kann.By the application according to the illumination arrangement, it is possible with simple means and only a few of the lighting equipment to illuminate the interior of a tower so that it can be climbed safely on a ladder.

Dabei erstrecken sich vorzugsweise die Lichtkegel der Leuchtmittel und die Kabelabschnitte 4 parallel zueinander, worunter im Sinne dieser Schrift verstanden wird, dass sie sich genau parallel erstrecken oder in einem Winkel, der jeweils weniger als 15° von der Parallelen (bzw. hier Vertikalen) abweicht. Ein derartiges leichtes Abweichen der Lichtkegel aus der Parallelrichtung ("etwa parallel") kann vorteilhaft sein, um eine etwaige Blendwirkung auf eine Person, welche den Turm hinauf klettert, möglichst gering zu halten. Bezugszeichen Beleuchtungsanordnung 1 Beleuchtungseinrichtung 2 Innenwand 3 Kabelabschnitt 4 Gehäuse 5 Gehäusegrundteil 6 Gehäusedeckel 7 Steckverbinder 8,9 Steckverbinder 10,11 Leiter 12,13 Leiterplatte 14 Kollimator 15, 16 Dom 17 Befestigungsmittel 18 Leuchtmittel 19,20 In this case, preferably the light cones of the bulbs and the cable sections 4 extend parallel to each other, which means in the sense of this document that they extend exactly parallel or at an angle which deviates less than 15 ° from the parallel (or here vertical) , Such a slight deviation of the light cone from the parallel direction ("approximately parallel") may be advantageous in order to minimize any glare on a person who climbs up the tower. <B> reference numerals </ b> lighting arrangement 1 lighting device 2 inner wall 3 cable section 4 casing 5 Housing base 6 housing cover 7 Connectors 8.9 Connectors 10.11 ladder 12.13 circuit board 14 collimator 15, 16 cathedral 17 fastener 18 Lamp 19.20

Claims (9)

  1. A lighting arrangement (1) for a tower or tunnel, especially a wind power generating tower, comprising two or preferably several lighting devices (2) which are arranged at a distance from each other and which are electrically connected to each other by a cable or several cable sections (4) with electrical conductor leads, wherein the lighting devices (5) each comprise a housing which is formed in any case in a partially transparent way, characterized in that at least two lighting means (19, 20) are provided in the housing (5), which emit their light as a cone of light in entirely or substantially mutually averted directions, wherein the cones of light of the lighting means (19, 20) and the cable sections (4) extend in parallel with respect to each other wherein the housing (5) of the lighting devices (2) respectively consists of a housing base part (6) and a housing cover (7) which is placed onto the housing base part (6), wherein the housing cover (7) consists either entirely or in any case partly of a transparent material with good light transmissivity and wherein a protruding dome (17) is formed in the housing cover (7) of the lighting device (2), into which a printed circuit board (14) with the lighting means (19, 20) protrudes, wherein the lighting means (19, 20) are each situated beneath the walls of said dome (17) which are in any case light-transmissive in sections, so that they can emit their light in the cones of light in opposite directions.
  2. A lighting arrangement according to claim 1, characterized in that one or several optical devices for concentrating the light respectively emitted by the lighting means are formed or arranged in the lighting devices (2) between the lighting means (19, 20) and the housing cover (7).
  3. A lighting arrangement according to one of the preceding claims 1 or 2, characterized in that one or several optical devices for concentrating the light respectively emitted by the lighting means are formed or arranged in the housing cover (7).
  4. A lighting arrangement (1) according to claim 2 or 3, characterized in that the optical devices are lenses or collimators (15, 16).
  5. A lighting arrangement (1) according to one of the preceding claims, characterized in that the housing (5) is provided with plug connectors (8, 9) on two ends facing away from each other, which connectors are formed to be mated with plug connectors (10, 11) of a corresponding type which are attached to the cable sections (4).
  6. A lighting arrangement (1) according to one of the preceding claims, wherein the lighting devices (2) comprise at least one voltage transformer connected upstream of the lighting means (19, 20).
  7. A lighting arrangement (1) according to claim 6, wherein the voltage transformer comprises a wide input voltage range, especially from approximately 24 V to approximately 280 V, for the operation of the lighting device (2).
  8. A lighting arrangement (1) according to one of the preceding claims, characterized in that the respective printed circuit board (14) of the lightning devices (2) is oriented in a plane extending perpendicularly or nearly perpendicularly to the axial direction X of the tower.
  9. A lighting arrangement (1) according to one of the preceding claims, characterized in that the cones of light of the lighting means (19, 20) of the lighting devices (2) are emitted by the lighting means (19, 20) substantially in the axial direction of the tower or slightly deviating therefrom.
EP13193863.1A 2012-12-14 2013-11-21 Lighting device and illumination arrangement for lighting the interior of a tower or tunnel Active EP2743564B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012104882.5U DE202012104882U1 (en) 2012-12-14 2012-12-14 Illumination arrangement for illuminating the interior of a wind turbine tower
DE102013103673.2A DE102013103673A1 (en) 2012-12-14 2013-04-11 Lighting device and lighting arrangement for illuminating the interior of a tower or tunnel

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EP2743564A1 EP2743564A1 (en) 2014-06-18
EP2743564B1 EP2743564B1 (en) 2016-06-01
EP2743564B2 true EP2743564B2 (en) 2019-08-21

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US (1) US9683723B2 (en)
EP (1) EP2743564B2 (en)
CN (1) CN103867970B (en)
DE (1) DE102013103673A1 (en)
DK (1) DK2743564T4 (en)
ES (1) ES2587784T5 (en)

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Also Published As

Publication number Publication date
EP2743564B1 (en) 2016-06-01
ES2587784T5 (en) 2020-05-04
DK2743564T3 (en) 2016-09-05
US20140168969A1 (en) 2014-06-19
CN103867970B (en) 2018-03-30
CN103867970A (en) 2014-06-18
ES2587784T3 (en) 2016-10-26
EP2743564A1 (en) 2014-06-18
DK2743564T4 (en) 2019-11-11
US9683723B2 (en) 2017-06-20
DE102013103673A1 (en) 2014-06-18

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