EP0304812A2 - Lampe antidéflagrante - Google Patents

Lampe antidéflagrante Download PDF

Info

Publication number
EP0304812A2
EP0304812A2 EP88113477A EP88113477A EP0304812A2 EP 0304812 A2 EP0304812 A2 EP 0304812A2 EP 88113477 A EP88113477 A EP 88113477A EP 88113477 A EP88113477 A EP 88113477A EP 0304812 A2 EP0304812 A2 EP 0304812A2
Authority
EP
European Patent Office
Prior art keywords
pin
lamp
fluorescent lamp
pins
holder
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.)
Withdrawn
Application number
EP88113477A
Other languages
German (de)
English (en)
Other versions
EP0304812A3 (fr
Inventor
Herbert Atteln
Heinz Liedtke
Reinhard Neumann
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.)
ABB Ceag Licht und Stromversorgungstechnik GmbH
Original Assignee
ABB Ceag Licht und Stromversorgungstechnik GmbH
CEAG Licht und Stromversorgungstechnik GmbH
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 ABB Ceag Licht und Stromversorgungstechnik GmbH, CEAG Licht und Stromversorgungstechnik GmbH filed Critical ABB Ceag Licht und Stromversorgungstechnik GmbH
Publication of EP0304812A2 publication Critical patent/EP0304812A2/fr
Publication of EP0304812A3 publication Critical patent/EP0304812A3/fr
Withdrawn legal-status Critical Current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
    • 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 an explosion-proof or firedamp-proof lamp with a lamp holder for receiving a two-pin base fluorescent lamp and with a base frame to which the lamp holder is attached.
  • Fluorescent lamps with single-pin bases of size Fa 6 in accordance with EN 50 019 have been approved in explosion-proof or firedamp-proof luminaires, which has the consequence that the fluorescent lamps with two-pin bases had to be converted to a Fa 6 base.
  • the object of the invention is to provide an explosion or fireproof luminaire of the type mentioned, in which the lamp holder for a two-pin base fluorescent lamp for potentially explosive areas of zone 1 in type of protection e and in which the insertion of the fluorescent lamp is made considerably easier .
  • a housing element in the interior of which a terminal device for both at least one of the two pins of the fluorescent lamp and for a power supply line, is slidably guided between two places, in which Position the pins of the fluorescent lamp out of engagement and in the other position the pins are in engagement with their terminal device, and that the terminal device inside the Housing element either connects only one pin of the fluorescent lamp to the connecting line or shorts both pins and thus connects both to the connecting line.
  • a first pin is rotatably connected to the housing element, which is fastened to a lever and is guided in a longitudinal recess of the frame carrier, and that a second pin is fastened to the frame carrier, which is in a guide recess engages on the lever, which is approximately L-shaped and allows a horizontal movement and then a rotary movement of the lever and thus of the first pin.
  • the guide recess has a straight section and then has a curved section at the end of the straight section opposite the first pin, the center of the curved section coinciding with the center of the first pin, and that the straight Section extends at an angle to the connecting line between the free end of the curved section and the center of the first pin, such that when the fluorescent lamp is removed, the lever is first pivoted and then pulled away from the lamp, in accordance with the shape of the guide recess.
  • the fluorescent lamp can be inserted into the luminaire in a simple manner.
  • the two housing elements are moved apart so that the Fluorescent lamp with its two pins can be used easily.
  • the two housing elements are moved towards each other and the individual terminal elements inside the housing elements come into an electrically conductive connection with the two pins.
  • a particularly advantageous embodiment of the invention can be provided in that a screwless clamp which can be released by deforming a bolt is provided as the clamp device for the two pins of the fluorescent lamp, the bolt of which has a link surface on the first pin for opening the clamp or for closing the clamp when pivoting of the lever cooperates.
  • cage tension springs are used for this purpose, which are marketed by the company Wago, Holzminden, as screwless clamps.
  • the first pin is rotated at the same time and through the link surface, which is expediently designed as a straight surface following a secant, the latch of the cage tension spring is deformed and opened, so that the pins can be inserted.
  • the housing element is also moved towards the fluorescent lamp, so that after this closing process the fluorescent lamp is held and fixed in the socket at both ends.
  • the two pins are short-circuited within the housing element or with the terminal connection or that only one of the two pins is connected to the connecting line, whereas the other pin is "free” is fixed within the housing element.
  • lamp holder is normally understood to mean that holder which is connected to the pins of the fluorescent lamp at one end.
  • the lamp holder is the component with which the pins are received at both ends, and the lamp holder has two holder carriers for each end, of which at least one holder holder has a housing element which can be moved in two positions.
  • a displaceable housing element is provided on both frame carriers.
  • the luminaire according to FIG. 1 has a luminaire housing 10 to which two lampholder supports 11 and 12 are attached on the left and right, between which a two-pin base fluorescent lamp 13 is connected.
  • FIG. 2 shows a part of the lamp housing 10 to which the left frame support 11 is fastened by means of a rivet 14.
  • the socket holder 11 is a box-shaped housing, in the two side walls of which parallel to the longitudinal direction of the fluorescent lamp 13, longitudinal recesses 15 are provided, in which a first pin 16 is displaceably guided.
  • This first pin 16 is connected to a lever 17 which has a U-shaped contour with a web 18; the two legs, of which one leg 19 is visible in the drawing Figures 2 and 3, encompass the frame carrier 11 from both sides.
  • a peg 20 is formed on each of the two outer surfaces of the mount support 11, which projects as a wart perpendicular to the plane of the drawing and engages in a guide recess 21 which has an L-shaped course with a straight section 22 and a transverse section 23; the straight section 22 runs through the center or the central axis of the first pin 16; if the lever 17 is in the position according to FIG.
  • the lampholder 11 is fastened on the lamp housing 10 and has a partial space 30 in which a contact carrier plate 31 is fastened or held, at the ends of which screwless clamps 32 and 33 are fastened, which are known as cage tension springs from the company WAGO (see above) are commercially available.
  • Each cage clamp spring has a horizontal section 34 which is attached to the upper side of the contact carrier plate 31; this is followed by a bent part 35, which is drawn downward in a loop over section 34 and projects beyond section 34 and carrier plate 31 with the actual tension element 36; the tension element 36 has an opening, not shown, through which a part of the support plate 31 extends and the upper section, ie the bent part 35, pulls the tension element 36 from below against the lower surface of the support plate 31.
  • the cage tension spring 33 serves for contacting a connecting line 37 and the corresponding cage tension spring 32 is used for contacting a pin 38 of the fluorescent lamp 13.
  • the first pin 16 has a cam surface 39 such that this cam surface saws out a secant section from the pin 16; by turning the pin 16, the secant surface 19 reaches the upper surface of the bent part 35 and presses it and thus the pulling element 36 downwards, whereby the contact terminal opening located there is opened to the extent that the pin 38 can be inserted.
  • FIG. 4 shows the arrangement according to FIG. 5 in mirror image; the secant surface 39 presses the bent part 35 downwards.
  • This deformation of the clamp 32 is effected by pivoting the lever 17 from the position according to FIG. 5 into the position according to FIG. 4. That is, when the lever 17 moves from the position in FIG. 3, which corresponds to the position in FIG. 5, into the position in FIG 2, which corresponds to the position according to FIG. 4, is pivoted, then the pin 20 reaches the area of the section 22 and the lever 17 together with the pin 16 and with the associated contact device 31/32/33 of the fluorescent lamp 13 are pulled away, so that the fluorescent lamp 13 can then be removed without problems.
  • the space 30 is thus an independent terminal housing part 40 with a guide wall 41 for the pin 16.
  • Which guide wall 41 partially wraps around the pin 16, and the carrier plate 31 is fixed in the housing area 40/41, specifically in such a way that by means of the clamping device 31, 32 , 33 the two pins one each lamp 38 is short-circuited; it is of course also possible to connect only one of the two pins to the electrical supply line 37 via the clamping device and to provide a further clamping device which merely holds and fixes the other pin, but otherwise does not serve for the electrically conductive connection to a connecting line.
  • the two-pin base fluorescent lamp is actually converted into a single-pin base fluorescent lamp without having to be changed over, rather simply by simulating a single-pin base fluorescent lamp.
  • a clamping screw arrangement or any other type of clamping arrangement can of course be used. So-called multi-contact terminal arrangements can also be used in a particularly advantageous manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP88113477A 1987-08-25 1988-08-19 Lampe antidéflagrante Withdrawn EP0304812A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3728316 1987-08-25
DE19873728316 DE3728316A1 (de) 1987-08-25 1987-08-25 Explosions- oder schlagwettergeschuetzte leuchte

Publications (2)

Publication Number Publication Date
EP0304812A2 true EP0304812A2 (fr) 1989-03-01
EP0304812A3 EP0304812A3 (fr) 1989-10-04

Family

ID=6334436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88113477A Withdrawn EP0304812A3 (fr) 1987-08-25 1988-08-19 Lampe antidéflagrante

Country Status (3)

Country Link
EP (1) EP0304812A3 (fr)
BR (1) BR8804286A (fr)
DE (1) DE3728316A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0762563A2 (fr) * 1995-06-22 1997-03-12 R. Stahl Schaltgeräte GmbH Douille de lampe anti-déflagrante avec, facultativement, des contacts à ouverture ou fermeture

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3908619C2 (de) * 1989-03-16 1994-02-17 Ceag Licht & Strom Langfeldleuchte
SI2001086T1 (sl) 2007-06-08 2010-08-31 Landis & Gyr Ag Priključna sponka brez vijakov

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1145297A (en) * 1966-06-09 1969-03-12 Carr Fastener Co Ltd Electrical connector
DE3402376A1 (de) * 1984-01-25 1985-08-01 Maehler & Kaege Ag Elektrotechnische Spezialfabrik, 6507 Ingelheim Explosions- und/oder schlagwettergeschuetzte leuchte
GB2160029A (en) * 1984-05-04 1985-12-11 Sullam Ltd S D Electric light tube fitting
GB2170363A (en) * 1985-01-18 1986-07-30 Conblock Electrical Limited A strip-light fitting

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7103032U (de) * 1971-04-22 Ceag Dominit Ag Explosionsgeschutzte Langfeldleuchte
DE1707790U (de) * 1953-04-02 1955-09-29 Adolf Schuch K G Elektrotechni Verriegelung fuer leuchtstofflampen mit einstiftsockeln in explosionsgeschuetzten leuchten.
US2888657A (en) * 1956-04-09 1959-05-26 Mine Safety Appliances Co Fluorescent lighting tube support
US3426234A (en) * 1966-02-15 1969-02-04 Aiden Kk Explosion-proof fluorescent lamp apparatus
US4546419A (en) * 1984-11-05 1985-10-08 Johnson Kelli J Wall receptacle recessed box contained light intensity on/off controlled night light system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1145297A (en) * 1966-06-09 1969-03-12 Carr Fastener Co Ltd Electrical connector
DE3402376A1 (de) * 1984-01-25 1985-08-01 Maehler & Kaege Ag Elektrotechnische Spezialfabrik, 6507 Ingelheim Explosions- und/oder schlagwettergeschuetzte leuchte
GB2160029A (en) * 1984-05-04 1985-12-11 Sullam Ltd S D Electric light tube fitting
GB2170363A (en) * 1985-01-18 1986-07-30 Conblock Electrical Limited A strip-light fitting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0762563A2 (fr) * 1995-06-22 1997-03-12 R. Stahl Schaltgeräte GmbH Douille de lampe anti-déflagrante avec, facultativement, des contacts à ouverture ou fermeture
EP0762563B1 (fr) * 1995-06-22 2002-10-16 R. Stahl Schaltgeräte GmbH Douille de lampe anti-déflagrante avec, facultativement, des contacts à ouverture ou fermeture

Also Published As

Publication number Publication date
DE3728316A1 (de) 1989-03-09
EP0304812A3 (fr) 1989-10-04
BR8804286A (pt) 1989-03-21

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