EP1010936A1 - Luminaires - Google Patents

Luminaires Download PDF

Info

Publication number
EP1010936A1
EP1010936A1 EP99310170A EP99310170A EP1010936A1 EP 1010936 A1 EP1010936 A1 EP 1010936A1 EP 99310170 A EP99310170 A EP 99310170A EP 99310170 A EP99310170 A EP 99310170A EP 1010936 A1 EP1010936 A1 EP 1010936A1
Authority
EP
European Patent Office
Prior art keywords
lamp
luminaire
lugs
housing
wire
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Withdrawn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
EP99310170A
Other languages
German (de)
English (en)
Inventor
Angus Jonathan Bertram Stone
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.)
Menvier Ltd
Original Assignee
Menvier Ltd
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 Menvier Ltd filed Critical Menvier Ltd
Publication of EP1010936A1 publication Critical patent/EP1010936A1/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Withdrawn legal-status Critical Current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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
    • F21V19/0085—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps at least one conductive element acting as a support means, e.g. resilient contact blades, piston-like contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
    • H01R33/08—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • This invention relates to luminaires. In particular, but not exclusively, it relates to emergency luminaires.
  • Emergency luminaires may be of the maintained or non-maintained type. Both types include a battery which is charged by a mains supply but differ in that in a maintained luminaire the lamp is lit either by mains or, when mains fails, by the battery, whereas with the non-maintained type the mains supply is used solely to charge the battery and the lamp is only illuminated upon failure of the mains, i.e. during an emergency situation.
  • the batteries are generally changed every, say, four to six years.
  • Maintained luminaires require fairly frequent lamp replacement, whereas, for non-maintained luminaires, the lamp replacement interval is considerably longer.
  • a luminaire generally comprises some electronics which are held on a PCB assembly, either a 'bare board' or an enclosed module. The lamp is then typically fitted to a commercially available lamp holder which in turn is connected to the PCB via wires. Single core solid wires are commonly used for this connection as they are seldom touched once assembled and the solid wire allows for easy connection to 'push wire' connectors.
  • the present invention arose in an attempt to provide a less complex and lower cost emergency luminaire.
  • a luminaire comprising a housing shaped for directly supporting a lamp in an operative position within the housing, whereby a separate lamp holder is not required.
  • the means for supporting and holding the lamp is also used for attaching and clamping connection wires to the lamp.
  • An emergency luminaire generally uses a discharge lamp such as a fluorescent lamp.
  • a discharge lamp such as a fluorescent lamp.
  • the end of one of these lamps 1 is shown schematically in Figure 1. Electrical connections are made to the electrodes of the lamp by two pins 2, 3 protruding axially from each end thereof.
  • the lamp is held within a housing by a separate lamp holder.
  • the lamp housing itself is modified by the provision of locating lugs which are preferably moulded into the internal surface of the luminaire housing.
  • a pair of lugs 4, 5 are provided. These comprise a pair of lugs which extend inwardly from the housing wall.
  • the lugs are generally parallel to and spaced from each other. At their remote ends, they are provided with forwardly projecting 'pips' which are generally V-shaped in cross-section, the respective apices of the pips facing one another.
  • One of the pips is provided with a cutaway slot 8, which enables location of a wire.
  • the lugs are typically of a plastics material and are therefore generally resilient such that when their ends are displaced outwardly they return again upon removal of the displacing force.
  • the respective terminal pins 2 and 3 of a lamp unit 1 are mounted between the lugs.
  • a connecting wire, connecting the pins to an electronic circuit and battery (not shown) of the luminaire is located within slot 8 after the insulation layer 10 of the wire is stripped away from the end part of the wire.
  • the lugs being resiliently mounted, serve to hold the pins 2 and 3 securely in place and to clamp the wire 9 securely against the pins to effect good electrical contact therewith.
  • the lugs themselves are of plastics material and are thereby insulators. Pips 6 and 7 serve to hold the lamp more securely in place. These may not be necessary in some embodiments, or other moulded in features or projections may be used.
  • a single assembly which is most preferably integral with the housing, is used both to hold the lamp (obviating the need for a separate lamp holder), and to effect electrical connection of the lamp with the other electrical or electronic components of the luminaire).
  • Fluorescent lamps are operated at high voltage and low current. They also do not generate significant heat during operation. Accordingly, the connection from lamp to lamp wire is not critical and can be achieved by relatively low connection forces as long as the metals used are not subject to extreme conditions or corrosive atmospheres. Methods of holding the wires according to the present invention are therefore perfectly satisfactory and a cheap and effective method of holding and electrically connecting lamp is achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP99310170A 1998-12-17 1999-12-17 Luminaires Withdrawn EP1010936A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9827688A GB2344941B (en) 1998-12-17 1998-12-17 Luminaires
GB9827688 1998-12-17

Publications (1)

Publication Number Publication Date
EP1010936A1 true EP1010936A1 (fr) 2000-06-21

Family

ID=10844325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99310170A Withdrawn EP1010936A1 (fr) 1998-12-17 1999-12-17 Luminaires

Country Status (2)

Country Link
EP (1) EP1010936A1 (fr)
GB (1) GB2344941B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806542A1 (fr) * 2000-03-17 2001-09-21 Sarl C E I T Entpr S Douille pour lampe du type alimente par des paires de broches de contact, notamment pour lampe fluorescente du type dit a fenetre, et support de lampe comprenant de telles douilles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283087A2 (fr) * 1987-03-18 1988-09-21 Philips Patentverwaltung GmbH Armature pour lampe fluorescente allongée
US4969070A (en) * 1989-07-17 1990-11-06 Valmont Industries, Inc. Fluorescent fixture housing
DE29515968U1 (de) * 1995-09-27 1995-12-07 Doberstein, Jeanette, 91607 Gebsattel Systemfassung für Leuchtstofflampen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781759A (en) * 1972-08-14 1973-12-25 Gulton Ind Inc Fluorescent lamp receptacle
US3836939A (en) * 1973-03-05 1974-09-17 Gte Sylvania Inc Fluorescent lighting assembly
US4799896A (en) * 1987-10-26 1989-01-24 Edwin Gaynor Co. Socket for compact fluorescent lamps
GB9103623D0 (en) * 1991-02-21 1991-04-10 Thorn Lamps Ltd Ge Improvements in lamps and lamp holders for display lighting

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283087A2 (fr) * 1987-03-18 1988-09-21 Philips Patentverwaltung GmbH Armature pour lampe fluorescente allongée
US4969070A (en) * 1989-07-17 1990-11-06 Valmont Industries, Inc. Fluorescent fixture housing
DE29515968U1 (de) * 1995-09-27 1995-12-07 Doberstein, Jeanette, 91607 Gebsattel Systemfassung für Leuchtstofflampen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806542A1 (fr) * 2000-03-17 2001-09-21 Sarl C E I T Entpr S Douille pour lampe du type alimente par des paires de broches de contact, notamment pour lampe fluorescente du type dit a fenetre, et support de lampe comprenant de telles douilles

Also Published As

Publication number Publication date
GB2344941A (en) 2000-06-21
GB2344941B (en) 2002-06-05
GB9827688D0 (en) 1999-02-10

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