EP0501371A2 - Elongated lighting fixture - Google Patents

Elongated lighting fixture Download PDF

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Publication number
EP0501371A2
EP0501371A2 EP92103053A EP92103053A EP0501371A2 EP 0501371 A2 EP0501371 A2 EP 0501371A2 EP 92103053 A EP92103053 A EP 92103053A EP 92103053 A EP92103053 A EP 92103053A EP 0501371 A2 EP0501371 A2 EP 0501371A2
Authority
EP
European Patent Office
Prior art keywords
switch
trough
drive element
tab
slide
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
EP92103053A
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German (de)
French (fr)
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EP0501371B1 (en
EP0501371A3 (en
Inventor
Cornelius Ploeger
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Cooper Crouse Hinds GmbH
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ABB Patent GmbH
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Publication date
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Publication of EP0501371A2 publication Critical patent/EP0501371A2/en
Publication of EP0501371A3 publication Critical patent/EP0501371A3/en
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Publication of EP0501371B1 publication Critical patent/EP0501371B1/en
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    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
    • F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit

Definitions

  • the invention relates to a linear luminaire according to the preamble of claim 1.
  • Explosion-proof linear luminaires of the type mentioned at the outset have a switch which must be switched off before the luminaire is opened in order to prevent current-carrying elements from causing an explosion in the surrounding, possibly explosive, atmosphere.
  • the lamp In order to lock the tub to the lamp housing in the assembled state, the lamp has in the region of one of the side walls of the lamp housing at least one slide which has hooks which can be brought into and out of engagement with projections on the tub.
  • the switch is coupled to this slide in such a way that when the slide is moved into the unlocked position, the switch opens becomes. It cannot be easily avoided that the switch can be turned on bypassing certain safety measures, e.g. B. by moving the slider into the locking position.
  • the interruption of the current flow by opening the switch can also be done by the trough acting on the switch.
  • the switch must be accommodated in the luminaire in the area of the tub, i.e. practically freely accessible. Manipulation of the switch is easily possible.
  • the object of the invention is to provide a linear luminaire of the type mentioned, in which the switch is not freely accessible and remains locked even when the tub is removed.
  • the coupling device with which the switch is actuated is assigned a drive element which actuates the switch which is fastened to it below the mount support.
  • the drive element comprises a tab which is provided with latching means which cooperate with the latching means on the bracket corresponding to the latching means in the switched-off position even after the trough has been opened.
  • the latching means on the tab and the corresponding latching means on the holder support complement each other so that they cooperate with one another in order to hold the drive element in the open state even when the switch is in the open position, that is to say after the tub has been removed.
  • a particularly advantageous embodiment of the invention consists in that, according to claim 2, an opening or a nose or vice versa is provided on the holder support or on the tab, which in the switched-off state, ie. H. with the tub removed, interlock.
  • an opening is provided on the tab and a lug is provided on the mount carrier, because this configuration can be produced easily.
  • a projection is provided on the tub according to claim 3, which presses the tab when inserting the tub on the lamp housing and releases the locking elements.
  • the tab is bent.
  • a plunger can be provided in a particularly advantageous manner, which is attached to the slide.
  • the entire coupling device with which the switch can be actuated is formed by the plunger and the drive element; when the slide is moved, the associated tappet is moved, which acts on the drive element, whereby the switch is actuated.
  • a spring element is provided, which continuously tries to actuate the drive element in the direction of closing the switch. This spring element causes that in the closed state, that is, when the trough is attached to the lamp housing, the drive element runs after the plunger and thus the slide until the switch is open.
  • both slides are connected to one another by means of a connecting web on which the plunger is fastened, as can be seen from claim 6.
  • FIG. 1 shows a lamp 10 with a lamp housing 11 and a tub 12 made of transparent material connected to it.
  • a socket carrier 13 with a plate-shaped region 14 arranged at one end and a carrier wall 15 which carries sockets for a fluorescent lamp 16, which are not shown in detail.
  • a reflector section 17 of the holder support 13 To the right of the support wall 15, below the fluorescent lamp, there is a reflector section 17 of the holder support 13.
  • a recess 18 is provided which is laterally delimited by two side walls 19 and 20 running perpendicular to the section 14 in the direction of the bottom of the housing 11; the side walls 19 and 20 are formed on the underside of the frame carrier 13 in the direction of the elongation.
  • an end wall 22 which runs perpendicular to the side walls 19 and 20 and which - as can be seen in FIG. 2 - does not extend to the bottom end of the side walls 19 and 20 but at a distance from it , wherein a nose 23 is formed on the bottom edge of the end wall 22.
  • the two side walls 19 and 20 and the end wall form the approximately box-shaped recess 18.
  • the frame carrier 13 has a U-shaped contour, with two legs 24 and 25 arranged on the longitudinal edges. Furthermore, the frame carrier 13 has on its inner surface a step 26 which extends from the end wall 22 over the entire The underside of the frame carrier runs. On the step 26, an electrical switch 27, which is designed to be explosion-proof, is fastened, on the side of which is opposite the carrier end, a switching plunger 28 protrudes from the switch. Coupled to the switch is a drive element 29 which has a plate-shaped region 30 which essentially covers the switch and has a projection 31 at the end of the switching plunger which engages over the switching plunger 28 and is oriented perpendicular to the region 30.
  • a Z-shaped offset 32 is provided which merges into a tab 33 which has an opening 34, the position shown in Figure 1, when the tub 12 is not connected to the lamp housing 11, cooperates with the nose 23 so that the nose 23 engages in the opening 34.
  • the tab 33 runs parallel to the area 14 or to the housing base and in the direction of the longitudinal extension of the lamp or the longitudinal movement of the switching plunger 28.
  • the distance between the side walls 19 and 20 is slightly larger than the width of the tab 33, so that it is between the side walls 19 and 20 is performed.
  • the side walls 19 and 20 protrude beyond the end wall 22 and its nose 23, so that the tab is guided by the side walls 19 and 20 even in the unlocked state.
  • the distance from the end edge of the side walls 19 and 20 to the end edge of the end wall 22 is greater than the thickness of the tab 33 in order to always ensure the guidance thereof. In this state, the switch 27 is open and the switching plunger 28 is pressed into the switch 27 by the projection 31.
  • a web-like projection 36 is formed on the tub 12, specifically on the inner surface of the narrow side wall 35 to the left in the drawing in FIG. 1, which protrudes into the tub interior in the direction of the longitudinal extent and covers the entire wall 35. As shown in dashed lines in Figure 1, the projection 36 presses the tab 33 down so that the nose 22 is disengaged from the opening 34 so that the locking or latching is released at this point.
  • FIG. 3 shows the mount carrier 13 partially cut, specifically in the region of the reflector 17.
  • Slides 37 and 38 are displaceably guided on both sides of the legs 24 and 25 on the outer surface thereof, which have hook-shaped recesses 39 and 40 with which the Grip sliders 37 and 38 behind projections (not shown) provided on the tub 12 to lock the tub.
  • the two slides running parallel to the legs 24 and 25 are connected to one another by means of a connecting web 41 which runs perpendicular to the slides and parallel to the reflector (essentially parallel) or also parallel to the bottom of the housing 11.
  • An L-shaped tappet 42 is fastened to the side of the connecting web 41 facing the inner surface of the socket support 13, the free leg 43 of the plunger, as shown in FIG. 1, is directed against the outer surface of the projection 31.
  • the plunger 42 or the free end of the plunger 43 presses against the projection 31 and via the projection 31 against the switching plunger 28 and presses it into the switch , which opens the switch.
  • the tab 33 also reaches the position shown in FIG. 1, in which the lug 23 could engage in the opening 34.
  • the tab 33 is held in the unlocked position shown in dashed lines in FIG. Only when the tub 12 is removed, that is to say brought into the position shown by solid lines, is the tab 33 released from the projection 36 and the lug 23 reaches the opening 34.
  • the plunger 43 presses the switch into the switched-off position. If the slide should now be moved into the locking position, the plunger 42 comes free from the projection 31. Because of the locking between the nose 23 and the opening 34, the switching plunger 28 is held in the switch-off position shown in FIG.
  • FIG. 5 shows the mount carrier 13 in the region of the narrow side end from below, that is to say from the bottom of the housing.
  • the recess 18 can be seen in the region of the section 14, which recess is laterally delimited by the two side walls 19 and 20.
  • the end wall 22, on which the lug 23 is attached or molded, is partially visible.
  • the switch 27 is covered by the drive element 29, on which the tab 33 and the projection 31 are formed.
  • the tab 33 has the recess or the passage 34; in the position shown in Figure 5, the switch is locked by the nose 23 the opening 34.

Landscapes

  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Push-Button Switches (AREA)
  • Supports For Pipes And Cables (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Luminescent Compositions (AREA)
  • Catching Or Destruction (AREA)
  • Optical Measuring Cells (AREA)
  • Resistance Heating (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

An elongated lighting fixture has a lighting fixture housing (11) and a trough (12) covering the latter and made from a transparent material. A socket holder (13) for at least one fluorescent lamp (16) is accommodated inside the lighting fixture housing (11), and the trough (12) is locked in the closed position by means of a slide displaceable in the longitudinal direction of the housing (11). In addition, there is provided inside the lighting fixture housing (11) a switch (27) which is opened upon unlocking of the trough (12), so that the flow of current to the fluorescent lamp is interrupted. In order to prevent actuation of the slide (37) turning on the switch, a drive element (29) is provided which actuates the switch (27) and has a lug (33) provided with a latching element. A mating piece corresponding to the latching element is provided on the socket holder, so that the drive element (29) is retained in the off position after opening of the trough. The latching element on the lug (33) is a cutout (34) and that on the socket holder (13) is a nose (23), or vice versa, which engages in the cutout (34) in the locked state. Upon insertion of the trough (12), the lug (33) is brought out of engagement with the nose (23) by means of a projection (35) integrally formed on the trough. <IMAGE>

Description

Die Erfindung betrifft eine Langfeldleuchte nach dem Oberbegriff des Anspruches 1.The invention relates to a linear luminaire according to the preamble of claim 1.

Explosionsgeschützte Langfeldleuchten der eingangs genannten Art besitzen einen Schalter, der vor dem Öffnen der Leuchte ausgeschaltet werden muß, damit verhindert wird, daß stromführende Elemente eine Explosion der umgebenden, evtl. explosiblen Atmosphäre verursachen.Explosion-proof linear luminaires of the type mentioned at the outset have a switch which must be switched off before the luminaire is opened in order to prevent current-carrying elements from causing an explosion in the surrounding, possibly explosive, atmosphere.

Um die Wanne mit dem Leuchtengehäuse im zusammengebauten Zustand zu verriegeln, besitzt die Leuchte im Bereich einer der Seitenwandungen des Leuchtengehäuses wenigstens einen Schieber, der Haken aufweist, die mit Vorsprüngen an der Wanne in Eingriff und außer Eingriff gebracht werden können. Mit diesem Schieber ist der Schalter gekoppelt, dergestalt, daß beim Verschieben des Schiebers in die Entriegelungsstellung der Schalter geöffnet wird. Es läßt sich dabei nicht ohne weiteres vermeiden, daß der Schalter unter Umgehung bestimmter Sicherheitsvorkehrungen eingeschaltet werden kann, z. B. durch Verschieben des Schiebers in die Verriegelungsstellung.In order to lock the tub to the lamp housing in the assembled state, the lamp has in the region of one of the side walls of the lamp housing at least one slide which has hooks which can be brought into and out of engagement with projections on the tub. The switch is coupled to this slide in such a way that when the slide is moved into the unlocked position, the switch opens becomes. It cannot be easily avoided that the switch can be turned on bypassing certain safety measures, e.g. B. by moving the slider into the locking position.

Die Unterbrechung des Stromflusses durch Öffnen des Schalters kann auch durch Einwirkung der Wanne auf den Schalter erfolgen. Dabei allerdings muß der Schalter im Bereich der Wanne, also praktisch frei zugänglich in der Leuchte untergebracht werden. Eine Manipulation des Schalters ist hierbei ohne weiteres möglich.The interruption of the current flow by opening the switch can also be done by the trough acting on the switch. However, the switch must be accommodated in the luminaire in the area of the tub, i.e. practically freely accessible. Manipulation of the switch is easily possible.

Aufgabe der Erfindung ist es, eine Langfeldleuchte der eingangs genannten Art zu schaffen, bei der der Schalter auch bei abgenommener Wanne nicht frei zugänglich ist und verriegelt bleibt.The object of the invention is to provide a linear luminaire of the type mentioned, in which the switch is not freely accessible and remains locked even when the tub is removed.

Diese Aufgabe wird erfindungsgemäß durch das kennzeichnende Merkmal des Anspruches 1 gelöst.This object is achieved by the characterizing feature of claim 1.

Erfindungsgemäß also ist der Kupplungseinrichtung, mit der der Schalter betätigt wird, ein Antriebselement zugeordnet, welches den unterhalb des Fassungsträgers an diesem befestigten Schalter betätigt. Das Antriebselement umfaßt eine Lasche, die mit Rastmitteln versehen ist, die mit den Rastmitteln an der Lasche entsprechenden Rastmitteln am Fassungsträger in Ausschaltstellung auch nach Öffnen der Wanne zusammenwirken. Die Rastmittel an der Lasche und die diesen entsprechenden Rastmittel am Fassungsträger ergänzen sich, so daß sie miteinander zusammenwirken, um das Antriebselement auch in Ausschaltstellung des Schalters in geöffnetem Zustand, also nach Abnehmen der Wanne, festzuhalten.According to the invention, therefore, the coupling device with which the switch is actuated is assigned a drive element which actuates the switch which is fastened to it below the mount support. The drive element comprises a tab which is provided with latching means which cooperate with the latching means on the bracket corresponding to the latching means in the switched-off position even after the trough has been opened. The latching means on the tab and the corresponding latching means on the holder support complement each other so that they cooperate with one another in order to hold the drive element in the open state even when the switch is in the open position, that is to say after the tub has been removed.

Eine besonders vorteilhafte Ausgestaltung der Erfindung besteht darin, daß gemäß Anspruch 2 am Fassungsträger oder an der Lasche ein Durchbruch bzw. eine Nase oder umgekehrt vorgesehen sind, die im Ausschaltzustand, d. h. bei abgenommener Wanne, ineinandergreifen. In besonders vorteilhafter Weise ist an der Lasche ein Durchbruch und am Fassungsträger eine Nase vorgesehen, weil diese Ausgestaltung einfach hergestellt werden kann.A particularly advantageous embodiment of the invention consists in that, according to claim 2, an opening or a nose or vice versa is provided on the holder support or on the tab, which in the switched-off state, ie. H. with the tub removed, interlock. In a particularly advantageous manner, an opening is provided on the tab and a lug is provided on the mount carrier, because this configuration can be produced easily.

Damit die Lasche im montierten Zustand entrastet ist, ist an der Wanne ein Vorsprung gemäß Anspruch 3 vorgesehen, der beim Einsetzen der Wanne an das Leuchtengehäuse auf die Lasche drückt und die Rastelemente löst. Dabei wird die Lasche verbogen.So that the tab is unlocked in the assembled state, a projection is provided on the tub according to claim 3, which presses the tab when inserting the tub on the lamp housing and releases the locking elements. The tab is bent.

Die besondere Ausgestaltung des Antriebselementes für den Schalter ist aus dem kennzeichnenden Merkmal des Anspruches 4 zu entnehmen. Durch diese Ausgestaltung, bei der das Antriebselement praktisch den Schalter umschließt, wird eine besonders platzsparende Ausführung erreicht.The special design of the drive element for the switch can be gathered from the characterizing feature of claim 4. This configuration, in which the drive element practically encloses the switch, achieves a particularly space-saving design.

Zur Betätigung des Antriebselementes kann in besonders vorteilhafter Weise gemäß Anspruch 5 ein Stößel vorgesehen sein, der an dem Schieber angebracht ist. Dadurch wird die gesamte Kupplungseinrichtung, mit der der Schalter betätigt werden kann, gebildet durch den Stößel und das Antriebselement; beim Verschieben des Schiebers wird der damit verbundene Stößel verschoben, der auf das Antriebselement wirkt, wodurch der Schalter betätigt wird. Dabei ist selbstverständlich ein Federelement vorgesehen, welches das Antriebselement dauernd in Richtung Schließen des Schalters zu betätigen sucht. Dieses Federelement bewirkt, daß im geschlossenen Zustand, wenn also die Wanne am Leuchtengehäuse angebracht ist, das Antriebselement dem Stößel und damit dem Schieber hinterherläuft, bis der Schalter geöffnet ist.To actuate the drive element, a plunger can be provided in a particularly advantageous manner, which is attached to the slide. As a result, the entire coupling device with which the switch can be actuated is formed by the plunger and the drive element; when the slide is moved, the associated tappet is moved, which acts on the drive element, whereby the switch is actuated. Of course, a spring element is provided, which continuously tries to actuate the drive element in the direction of closing the switch. This spring element causes that in the closed state, that is, when the trough is attached to the lamp housing, the drive element runs after the plunger and thus the slide until the switch is open.

Bei der Ausführungsform mit zwei Schiebern, die entweder an beiden Längsseiten des Leuchtengehäuses oder des Fassungsträgers geführt sind, sind beide Schieber mittels eines Verbindungssteges miteinander verbunden, auf dem der Stößel befestigt ist, wie aus dem Anspruch 6 hervorgeht.In the embodiment with two slides, which are either guided on both longitudinal sides of the lamp housing or the holder, both slides are connected to one another by means of a connecting web on which the plunger is fastened, as can be seen from claim 6.

Anhand der Zeichnung, in der ein Ausführungsbeispiel der Erfindung dargestellt ist, sollen die Erfindung sowie weitere vorteilhafte Ausgestaltungen und Verbesserungen der Erfindung näher erläutert und beschrieben werden.Based on the drawing, in which an embodiment of the invention is shown, the invention and further advantageous refinements and improvements of the invention are to be explained and described in more detail.

Es zeigen:

Figur 1
eine Schnittansicht einer Leuchte, entlang der Mittelachse, gemäß Schnittlinie I-I der Figur 2,
Figur 2
eine Schnittansicht gemäß der Schnittlinie II-II der Figur 1,
Figur 3
eine Schnittansicht gemäß der Schnittlinie III-III der Figur 1,
Figur 4
eine Einsicht in die Wanne im Bereich des Endes der Wanne und
Figur 5
eine perspektivische Teilansicht von unten auf den Fassungsträger im Bereich des Schalters.
Show it:
Figure 1
2 shows a sectional view of a lamp, along the central axis, along section line II in FIG. 2
Figure 2
2 shows a sectional view along the section line II-II of FIG. 1,
Figure 3
2 shows a sectional view along the section line III-III of FIG. 1,
Figure 4
an insight into the tub in the area of the end of the tub and
Figure 5
a partial perspective view from below of the holder in the area of the switch.

Die Figur 1 zeigt eine Leuchte 10 mit einem Leuchtengehäuse 11 und einer damit verbundenen Wanne 12 aus transparentem Material. Innerhalb des Gehäuses 11 befindet sich ein Fassungsträger 13 mit einem an einem Ende angeordneten plattenförmigen Bereich 14 sowie einer Trägerwand 15, die nicht näher dargestellte Fassungen für eine Leuchtstofflampe 16 trägt. Rechts von der Trägerwand 15, unterhalb der Leuchtstofflampe, befindet sich ein Reflektorabschnitt 17 des Fassungsträgers 13.FIG. 1 shows a lamp 10 with a lamp housing 11 and a tub 12 made of transparent material connected to it. Within the housing 11 there is a socket carrier 13 with a plate-shaped region 14 arranged at one end and a carrier wall 15 which carries sockets for a fluorescent lamp 16, which are not shown in detail. To the right of the support wall 15, below the fluorescent lamp, there is a reflector section 17 of the holder support 13.

An dem linken Ende des Fassungsträgers 13, also im Bereich des Abschnittes bzw. Bereiches 14, ist eine Ausnehmung 18 vorgesehen, die von zwei senkrecht zu dem Abschnitt 14 in Richtung Boden des Gehäuses 11 verlaufenden Seitenwänden 19 und 20 seitlich begrenzt ist; die Seitenwände 19 und 20 sind in Richtung der Lähgserstreckung des Fassungsträgers 13 an dessen Unterseite angeformt. In relativ geringem Abstand zu der Endkante 21 des Fassungsträgers 13 ist eine senkrecht zu den Seitenwänden 19 und 20 verlaufende Abschlußwand 22 vorgesehen, die - wie aus Figur 2 ersichtlich - nicht bis zum bodenseitigen Ende der Seitenwände 19 und 20 verläuft, sondern in einem Abstand dazu, wobei an der bodenseitigen Kante der Abschlußwand 22 eine Nase 23 angeformt ist. Die beiden Seitenwände 19 und 20 sowie die Abschlußwand bilden die etwa kastenförmig ausgebildete Ausnehmung 18.At the left end of the mount carrier 13, that is to say in the region of the section or region 14, a recess 18 is provided which is laterally delimited by two side walls 19 and 20 running perpendicular to the section 14 in the direction of the bottom of the housing 11; the side walls 19 and 20 are formed on the underside of the frame carrier 13 in the direction of the elongation. At a relatively short distance from the end edge 21 of the frame carrier 13 there is provided an end wall 22 which runs perpendicular to the side walls 19 and 20 and which - as can be seen in FIG. 2 - does not extend to the bottom end of the side walls 19 and 20 but at a distance from it , wherein a nose 23 is formed on the bottom edge of the end wall 22. The two side walls 19 and 20 and the end wall form the approximately box-shaped recess 18.

Wie aus der Figur 2 ersichtlich ist, besitzt der Fassungsträger 13 eine U-förmige Kontur, mit zwei an den Längskanten angeordneten Schenkeln 24 und 25. Weiterhin besitzt der Fassungsträger 13 an seiner Innenfläche eine Stufung 26, die von der Abschlußwand 22 aus über die gesamte Unterseite des Fassungsträgers verläuft. Auf der Stufung 26 ist ein elektrischer Schalter 27, der explosionsgeschützt ausgebildet ist, befestigt, an dessen dem Trägerende entgegengesetzter Seite ein Schaltstößel 28 aus dem Schalter herausragt. Mit dem Schalter gekoppelt ist ein Antriebselement 29, welches einen plattenförmigen Bereich 30 aufweist, welches den Schalter im wesentlichen überdeckt und an dem schaltstößelseitigen Ende einen Vorsprung 31 aufweist, der den Schaltstößel 28 übergreift und senkrecht zu dem Bereich 30 ausgerichtet ist. An dem entgegengesetzten Ende des Antriebselementes 29 ist eine Z-förmige Abkröpfung 32 vorgesehen, die in eine Lasche 33 übergeht, die einen Durchbruch 34 aufweist, der in der in Figur 1 dargestellten Stellung, wenn die Wanne 12 nicht mit dem Leuchtengehäuse 11 verbunden ist, mit der Nase 23 zusammenwirkt, so daß die Nase 23 in den Durchbruch 34 eingreift. Die Lasche 33 verläuft parallel zum Bereich 14 bzw. zum Gehäuseboden und in Richtung der Längserstreckung der Leuchte bzw. der Längsbewegung des Schaltstößels 28. Der Abstand der Seitenwände 19 und 20 ist geringfügig größer als die Breite der Lasche 33, so daß diese zwischen den Seitenwänden 19 und 20 geführt ist. Die Seitenwände 19 und 20 überragen die Abschlußwand 22 und ihre Nase 23, so daß die Lasche auch in entriegeltem Zustand von den Seitenwänden 19 und 20 geführt ist. Der Abstand von Endkante der Seitenwände 19 und 20 zur Endkante der Abschlußwand 22 ist größer als die Dicke der Lasche 33, um die Führung derselben immer zu gewährleisten. In diesem Zustand ist der Schalter 27 geöffnet und der Schaltstößel 28 wird von dem Vorsprung 31 in den Schalter 27 hineingedrückt.As can be seen from Figure 2, the frame carrier 13 has a U-shaped contour, with two legs 24 and 25 arranged on the longitudinal edges. Furthermore, the frame carrier 13 has on its inner surface a step 26 which extends from the end wall 22 over the entire The underside of the frame carrier runs. On the step 26, an electrical switch 27, which is designed to be explosion-proof, is fastened, on the side of which is opposite the carrier end, a switching plunger 28 protrudes from the switch. Coupled to the switch is a drive element 29 which has a plate-shaped region 30 which essentially covers the switch and has a projection 31 at the end of the switching plunger which engages over the switching plunger 28 and is oriented perpendicular to the region 30. At the opposite end of the drive element 29, a Z-shaped offset 32 is provided which merges into a tab 33 which has an opening 34, the position shown in Figure 1, when the tub 12 is not connected to the lamp housing 11, cooperates with the nose 23 so that the nose 23 engages in the opening 34. The tab 33 runs parallel to the area 14 or to the housing base and in the direction of the longitudinal extension of the lamp or the longitudinal movement of the switching plunger 28. The distance between the side walls 19 and 20 is slightly larger than the width of the tab 33, so that it is between the side walls 19 and 20 is performed. The side walls 19 and 20 protrude beyond the end wall 22 and its nose 23, so that the tab is guided by the side walls 19 and 20 even in the unlocked state. The distance from the end edge of the side walls 19 and 20 to the end edge of the end wall 22 is greater than the thickness of the tab 33 in order to always ensure the guidance thereof. In this state, the switch 27 is open and the switching plunger 28 is pressed into the switch 27 by the projection 31.

An der Wanne 12, und zwar an der Innenfläche der in der Zeichnung Figur 1 links befindlichen Schmalseitenwand 35 ist ein stegartiger Vorsprung 36 angeformt, der in Richtung der Längserstreckung in das Wanneninnere eingreift und die gesamte Wand 35 überdeckt. Wie in Figur 1 strichliert dargestellt, drückt der Vorsprung 36 die Lasche 33 nach unten, so daß die Nase 22 außer Eingriff mit dem Durchbruch 34 gelangt, so daß die Verriegelung bzw. Verrastung an dieser Stelle aufgehoben ist.A web-like projection 36 is formed on the tub 12, specifically on the inner surface of the narrow side wall 35 to the left in the drawing in FIG. 1, which protrudes into the tub interior in the direction of the longitudinal extent and covers the entire wall 35. As shown in dashed lines in Figure 1, the projection 36 presses the tab 33 down so that the nose 22 is disengaged from the opening 34 so that the locking or latching is released at this point.

Die Figur 3 zeigt den Fassungsträger 13 teilweise geschnitten und zwar im Bereich des Reflektors 17. Beidseitig zu den Schenkeln 24 und 25 an deren Außenfläche sind Schieber 37 und 38 verschiebbar geführt, die hakenförmige Ausnehmungen 39 bzw. 40 besitzen, mit denen die Schieber 37 und 38 hinter an der Wanne 12 vorgesehene Vorsprünge (nicht gezeigt) greifen, um die Wanne zu verriegeln. Die beiden parallel zu den Schenkeln 24 und 25 verlaufenden Schieber sind mittels eines Verbindungssteges 41 miteinander verbunden, der senkrecht zu den Schiebern und parallel zu dem Reflektor (in wesentlichen parallel) oder auch parallel zum Boden des Gehäuses 11 verläuft. An der der Innenfläche des Fassungsträgers 13 zugewandten Seite des Verbindungssteges 41 ist ein L-förmiger Stößel 42 befestigt, dessen freier Schenkel 43, wie in Figur 1 dargestellt, gegen die Außenfläche des Vorsprunges 31 gerichtet ist. Wenn nun die Schieber in die entriegelte Stellung gelangen, also in Pfeilrichtung E verschoben sind, dann drückt der Stößel 42 bzw. das freie Ende des Stößels 43 gegen den Vorsprung 31 und über den Vorsprung 31 gegen den Schaltstößel 28 und drückt diesen in den Schalter hinein, wodurch der Schalter geöffnet wird. Dabei gelangt auch die Lasche 33 in die in der Figur 1 dargestellte Stellung, in der die Nase 23 in den Durchbruch 34 greifen könnte. Da aber die Wanne 12 (wie strichliert dargestellt ist) noch an dem Leuchtengehäuse 11 anliegt, wird die Lasche 33 in der in Figur 1 strichliert gezeichneten Entriegelungsstellung festgehalten. Erst dann, wenn die Wanne 12 entfernt, also in die durch ausgezogene Linien dargestellte Stellung gebracht wird, dann wird die Lasche 33 von dem Vorsprung 36 freigegeben und die Nase 23 gelangt in den Durchbruch 34.FIG. 3 shows the mount carrier 13 partially cut, specifically in the region of the reflector 17. Slides 37 and 38 are displaceably guided on both sides of the legs 24 and 25 on the outer surface thereof, which have hook-shaped recesses 39 and 40 with which the Grip sliders 37 and 38 behind projections (not shown) provided on the tub 12 to lock the tub. The two slides running parallel to the legs 24 and 25 are connected to one another by means of a connecting web 41 which runs perpendicular to the slides and parallel to the reflector (essentially parallel) or also parallel to the bottom of the housing 11. An L-shaped tappet 42 is fastened to the side of the connecting web 41 facing the inner surface of the socket support 13, the free leg 43 of the plunger, as shown in FIG. 1, is directed against the outer surface of the projection 31. If the slide now comes into the unlocked position, i.e. is moved in the direction of arrow E, then the plunger 42 or the free end of the plunger 43 presses against the projection 31 and via the projection 31 against the switching plunger 28 and presses it into the switch , which opens the switch. The tab 33 also reaches the position shown in FIG. 1, in which the lug 23 could engage in the opening 34. However, since the tub 12 (as shown in dashed lines) still bears against the lamp housing 11, the tab 33 is held in the unlocked position shown in dashed lines in FIG. Only when the tub 12 is removed, that is to say brought into the position shown by solid lines, is the tab 33 released from the projection 36 and the lug 23 reaches the opening 34.

Da die Schieber 37 und 38 in der eingeschalteten Stellung bleiben, drückt der Stößel 43 den Schalter in Ausschaltstellung. Sollten nun die Schieber in Verriegelungsstellung verschoben werden, dann kommt der Stößel 42 frei von dem Vorsprung 31. Wegen der Verriegelung zwischen Nase 23 und Durchbruch 34 wird der Schaltstößel 28 in der in Figur 1 gezeichneten Ausschaltstellung festgehalten.Since the slide 37 and 38 remain in the switched-on position, the plunger 43 presses the switch into the switched-off position. If the slide should now be moved into the locking position, the plunger 42 comes free from the projection 31. Because of the locking between the nose 23 and the opening 34, the switching plunger 28 is held in the switch-off position shown in FIG.

Die Figur 5 zeigt zur Verdeutlichung den Fassungsträger 13 im Bereich des Schmalseitenendes von unten, also vom Boden des Gehäuses her. Man erkennt die Ausnehmung 18 im Bereich des Abschnittes 14, welche Ausnehmung durch die beiden Seitenwände 19 und 20 seitlich begrenzt ist. Teilweise sichtbar ist die Abschlußwand 22, an der die Nase 23 angebracht bzw. angeformt ist. Der Schalter 27 wird überdeckt von dem Antriebselement 29, an dem die Lasche 33 und der Vorsprung 31 angeformt sind. Die Lasche 33 besitzt die Ausnehmung bzw. den Durchtritt 34; in der Stellung gemäß Figur 5 ist der Schalter durch die Nase 23 den Durchbruch 34 verriegelt.For clarification, FIG. 5 shows the mount carrier 13 in the region of the narrow side end from below, that is to say from the bottom of the housing. The recess 18 can be seen in the region of the section 14, which recess is laterally delimited by the two side walls 19 and 20. The end wall 22, on which the lug 23 is attached or molded, is partially visible. The switch 27 is covered by the drive element 29, on which the tab 33 and the projection 31 are formed. The tab 33 has the recess or the passage 34; in the position shown in Figure 5, the switch is locked by the nose 23 the opening 34.

Wenn die Schieber 37/38 in die Verriegelungsstellung, also nach rechts (Figur 1), verfahren werden, dann muß das Antriebselement 29 diesen folgen, damit der Schalter 27 geschlossen wird. Zu diesem Zweck ist eine Druckfeder im Schalter 27 vorgesehen, welche den Stößel 28 gegen den Vorsprung 31 und damit das Antriebselement 29 in Pfeilrichtung P drückt. Dadurch wird der Stößel 28 freigegeben und der Schalter 29 kann schließen. Der Pfeil Z in Figur 1 bzw. in Figur 5 deutet die Einsetzrichtung der Wanne 12 an.If the slides 37/38 are moved into the locking position, ie to the right (FIG. 1), then the drive element 29 must follow them so that the switch 27 is closed. For this purpose, a compression spring is provided in the switch 27, which presses the plunger 28 against the projection 31 and thus the drive element 29 in the direction of arrow P. As a result, the plunger 28 is released and the switch 29 can close. The arrow Z in FIG. 1 or in FIG. 5 indicates the direction of insertion of the tub 12.

Claims (6)

Langfeldleuchte mit einen Leuchtengehäuse und einer dieses abdeckenden Wanne aus transparentem Material, mit einem Fassungsträger für wenigstens eine Leuchtstofflampe, mit wenigstens einem parallel zur Längsseitenwand des Gehäuses verschiebbaren Schieber zur Verriegelung der Wanne in geschlossener Stellung und mit einem Schalter, der bei Entriegeln der Wanne über eine mit dem Schieber oder einem Öffnungswerkzeug zur Verstellung des Schiebers gekuppelten Kupplungseinrichtung geöffnet wird, so daß der Stromfluß zu der wenigstens einen Leuchtstofflampe im Öffnungszustand der Langfeldleuchte unterbrochen ist, dadurch gekennzeichnet, daß ein den unterhalb des Fassungsträgers (13) an diesem befestigten Schalter (27) betätigendes, der Kupplungseinrichtung zugeordnetes Antriebselement (29) eine mit Rastmitteln (23, 24) versehene Lasche (33) umfaßt, welche mit den Rastmitteln an der Lasche (33) entsprechenden Rastmitteln (34) am Fassungsträger (13) in Ausschaltstellung auch nach Öffnen der Wanne (12) zusammenwirken, so daß das Antriebselement (29) in Ausschaltstellung des Schalters (27) festgehalten ist.Long-range luminaire with a luminaire housing and a trough covering this made of transparent material, with a holder for at least one fluorescent lamp, with at least one slide that can be displaced parallel to the longitudinal side wall of the housing to lock the trough in the closed position and with a switch that, when the trough is unlocked, has a the coupling device coupled with the slide or an opening tool for adjusting the slide is opened so that the current flow to the at least one fluorescent lamp is interrupted in the open state of the linear light, characterized in that a switch (27) fastened to the base support (13) thereon Actuating drive element (29) assigned to the coupling device comprises a tab (33) provided with latching means (23, 24), which with the latching means on the tab (33) corresponds to latching means (34) on the frame carrier (13) in the switched-off position Open the tub (12) cooperate so that the drive element (29) is held in the off position of the switch (27). Leuchte nach Anspruch 1, dadurch gekennzeichnet, daß als Rastmittel entweder am Fassungsträger (13) ein Durchbruch (34) und an der Lasche (33) eine Nase (23) oder umgekehrt vorgesehen sind, die im Ausschaltzustand ineinandergreifen.Luminaire according to claim 1, characterized in that an opening (34) and a lug (23) or vice versa are provided as a latching means either on the holder support (13) and vice versa, which interlock when switched off. Leuchte nach Anspruch 2, dadurch gekennzeichnet, daß an der Wanne (12) ein Vorsprung (35) vorgesehen ist, der beim Einsetzen der Wanne (12) auf die Lasche (33) einwirkt und diese so verformt, daß die Rastmittel (23/34) gelöst werden.Luminaire according to claim 2, characterized in that a projection (35) is provided on the trough (12) which acts on the tab (33) when the trough (12) is inserted and deforms it so that the latching means (23/34 ) can be solved. Leuchte nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß das Antriebselement (29) eine Plattenform (30) aufweist und auf der freien, parallel zu dem Fassungsträger (13) verlaufenden Fläche des Schalters, diese überdeckend, angeordnet und verschiebbar in Betätigungsrichtung des Schalters (27) geführt ist, daß an dem schaltstößelseitigen Ende an der Platte (30) ein den Schaltstößel quer überdeckender Fortsatz (31) und am entgegengesetzten Ende die biegbare Lasche (33) angeformt sind.Luminaire according to one of the preceding claims, characterized in that the drive element (29) has a plate shape (30) and is arranged on the free surface of the switch which extends parallel to the socket carrier (13) and covers it, and is displaceable in the actuating direction of the switch ( 27) is guided in that at the end of the switching plunger on the plate (30) an extension (31) covering the switching plunger transversely and on the opposite end the flexible tab (33) are formed. Leuchte nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Kupplungseinrichtung einen das Antriebselement beim Öffnen in Verrastungsstellung verschiebenden, an dem Schieber (37, 38) angebrachten Stößel (42) aufweist.Luminaire according to one of the preceding claims, characterized in that the coupling device has a tappet (42) which displaces the drive element when it is opened in the latching position and is attached to the slide (37, 38). Leuchte nach Anspruch 5, mit zwei an beiden Längsseiten des Gehäuses oder des Fassungsträgers geführten Schiebern, dadurch gekennzeichnet, daß beide Schieber (37, 38) mit einem quer zu der Lampenerstreckung der Schieber verlaufenden Verbindungssteg (41) unterhalb des Fassungsträgers (13) miteinander verbunden sind und der Stößel (42) an dem Verbindungssteg (41) befestigt ist.Luminaire according to claim 5, with two slides guided on both longitudinal sides of the housing or the socket support, characterized in that both slides (37, 38) are connected to one another below the socket support (13) by a connecting web (41) extending transversely to the lamp extension of the slider are and the plunger (42) is attached to the connecting web (41).
EP92103053A 1991-02-28 1992-02-24 Elongated lighting fixture Expired - Lifetime EP0501371B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4106342 1991-02-28
DE4106342A DE4106342A1 (en) 1991-02-28 1991-02-28 LONG FIELD LAMP

Publications (3)

Publication Number Publication Date
EP0501371A2 true EP0501371A2 (en) 1992-09-02
EP0501371A3 EP0501371A3 (en) 1992-12-16
EP0501371B1 EP0501371B1 (en) 1994-12-21

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ID=6426117

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Application Number Title Priority Date Filing Date
EP92103053A Expired - Lifetime EP0501371B1 (en) 1991-02-28 1992-02-24 Elongated lighting fixture

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EP (1) EP0501371B1 (en)
JP (1) JPH06111619A (en)
AT (1) ATE116050T1 (en)
AU (1) AU644722B2 (en)
BR (1) BR9200663A (en)
DE (2) DE4106342A1 (en)
DK (1) DK0501371T3 (en)
ES (1) ES2068621T3 (en)
NO (1) NO307671B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2783039A1 (en) * 1998-09-07 2000-03-10 Atx Sa SAFETY CLOSED LIGHT, ESPECIALLY FOR EXPLOSIVE ATMOSPHERES
EP1256759A2 (en) 2001-05-07 2002-11-13 R. Stahl Schaltgeräte GmbH Elongated light fixture

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR921175A (en) * 1945-11-03 1947-04-29 Le Materiel Electr Pour Le Per Explosion Proof Lighting Fixtures
DE3607620A1 (en) * 1986-03-07 1987-09-24 Zimmermann Gmbh Co Kg Rudolf Luminaire for high-pressure discharge lamps
DE3633351A1 (en) * 1986-10-01 1988-04-14 Maehler & Kaege Ag Explosion proof and/or flame proof lighting unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7103032U (en) * 1971-04-22 Ceag Dominit Ag Explosion-proof linear luminaire
FR2432139A1 (en) * 1978-07-27 1980-02-22 Chiotasso Pierre Fixture for supporting fluorescent tube - has flexible contact to allow for final axial movement during fitting

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR921175A (en) * 1945-11-03 1947-04-29 Le Materiel Electr Pour Le Per Explosion Proof Lighting Fixtures
DE3607620A1 (en) * 1986-03-07 1987-09-24 Zimmermann Gmbh Co Kg Rudolf Luminaire for high-pressure discharge lamps
DE3633351A1 (en) * 1986-10-01 1988-04-14 Maehler & Kaege Ag Explosion proof and/or flame proof lighting unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2783039A1 (en) * 1998-09-07 2000-03-10 Atx Sa SAFETY CLOSED LIGHT, ESPECIALLY FOR EXPLOSIVE ATMOSPHERES
EP0985873A1 (en) * 1998-09-07 2000-03-15 Atx S.A. Luminaire having a safety lock, in particular for use in explosive gases
US6338562B1 (en) 1998-09-07 2002-01-15 Atx S.A. Light fitting unit having releasable immobilizer
EP1256759A2 (en) 2001-05-07 2002-11-13 R. Stahl Schaltgeräte GmbH Elongated light fixture
EP1256759A3 (en) * 2001-05-07 2008-07-23 R. Stahl Schaltgeräte GmbH Elongated light fixture

Also Published As

Publication number Publication date
AU644722B2 (en) 1993-12-16
AU1136292A (en) 1992-09-03
ATE116050T1 (en) 1995-01-15
DK0501371T3 (en) 1995-05-29
BR9200663A (en) 1992-11-10
EP0501371B1 (en) 1994-12-21
ES2068621T3 (en) 1995-04-16
NO920775D0 (en) 1992-02-27
JPH06111619A (en) 1994-04-22
NO307671B1 (en) 2000-05-08
DE4106342A1 (en) 1992-09-03
EP0501371A3 (en) 1992-12-16
NO920775L (en) 1992-08-31
DE59200996D1 (en) 1995-02-02

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