EP0863363B1 - Eclairage de secours, notamment pour environnements industriels - Google Patents

Eclairage de secours, notamment pour environnements industriels Download PDF

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Publication number
EP0863363B1
EP0863363B1 EP98200647A EP98200647A EP0863363B1 EP 0863363 B1 EP0863363 B1 EP 0863363B1 EP 98200647 A EP98200647 A EP 98200647A EP 98200647 A EP98200647 A EP 98200647A EP 0863363 B1 EP0863363 B1 EP 0863363B1
Authority
EP
European Patent Office
Prior art keywords
lighting fixture
emergency lighting
emergency
reflector
industrial environments
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.)
Expired - Lifetime
Application number
EP98200647A
Other languages
German (de)
English (en)
Other versions
EP0863363A2 (fr
EP0863363A3 (fr
Inventor
Gian Pietro Beghelli
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.)
Beghelli SpA
Original Assignee
Beghelli SpA
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
Priority claimed from IT97MI000486 external-priority patent/IT1290029B1/it
Priority claimed from IT97MI001290A external-priority patent/IT1292055B1/it
Application filed by Beghelli SpA filed Critical Beghelli SpA
Publication of EP0863363A2 publication Critical patent/EP0863363A2/fr
Publication of EP0863363A3 publication Critical patent/EP0863363A3/fr
Application granted granted Critical
Publication of EP0863363B1 publication Critical patent/EP0863363B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/022—Emergency lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/022—Emergency lighting devices
    • F21S9/024—Emergency lighting devices using a supplementary light source for emergency lighting
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G08B7/062—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources indicating emergency exits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G08B7/066—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources guiding along a path, e.g. evacuation path lighting strip
    • 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
    • F21Y2101/00—Point-like light sources
    • 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
    • F21Y2113/00—Combination of light sources
    • F21Y2113/20—Combination of light sources of different form
    • 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
    • F21Y2115/30—Semiconductor lasers

Definitions

  • This invention refers to an emergency lighting fixture, especially suitable for an installation in industrial environments.
  • Fluorescent and incandescent lamps are currently known destined for the emergency lighting of workplaces and/or exits from working premises.
  • the regulations prescribe high intensity lighting under emergency conditions, such as network power outages, dangerous situations or the onset of fires; the recommended lighting levels at industrial installations of some height, up to 7 meters, is given by a value, measured with respect to a reference plane, of not less than 10% of the ordinary lighting standard, with an absolute minimum value of 15 lux.
  • This minimum lighting standard is produced by fixtures comprising a multiple number of incandescent lamps projecting a concentrated, downward directed beam; the lamps are occasionally contained in parabolic reflectors serving the purpose of more effectively concentrating and focusing the light beam.
  • GB 2284697 discloses an emergency lighting fixture using a laser source to locate escape routes and safety exits under conditions of emergency and poor visibility
  • US-A-4617561 discloses a portable emergency light and smoke alarm system comprising a portable housing with a mounting bracket to which a flashlight, removable from the bracket, is fixed.
  • GB 2284697 discloses an emergency lighting fixtures also comprising a central control unit, such as a Personal Computer, and a "ricochet" unit, which have to be programmed in order to adjust the direction of the laser beam, while US-A-4617561 refers to a portable emergency light, which is not suitable for industrial environments, due to the poor intensity of the light source.
  • the scope of this invention is therefore to outline an emergency lighting fixture, especially for industrial environments, suitable for eliminating the mentioned shortcomings, meaning capable of achieving an emergency lighting fixture to obtain a high lighting intensity at a ground level in workplaces and along escape routes, and such as to furnish, even in the presence of smoke, a lighting guide to point the personnel toward an escape route and/or safety exit.
  • a further scope of this invention is that of outlining an emergency lighting fixture, especially for industrial environments, capable of fitting the safety regulations listed in the existing directives.
  • a further scope of the invention is that of achieving an emergency lighting fixture, especially for industrial environments, allowing to easily direct the lighting beam toward one or more pre-established directions.
  • an emergency lighting fixture especially for industrial environments, in accordance with claim 1, referred to for brevity.
  • the fixture of this invention comprises a central body and two halogen lamps of an incandescent type, each held within a parabolic reflector.
  • a transparent shell covers the central body of the fixture.
  • each reflector may be swiveled by an operator from the outside, after lifting the transparent cover, so as to adjust the direction of the light beam.
  • each reflector is fitted with a laser diode capable of providing a lighting guide to direct the personnel toward escape routes and/or safety exits, even where the environment is contaminated by smoke due to the onset of a fire.
  • the emission of a laser beam occurs automatically at the command of a signaling unit, and comprises a device detecting the presence of smoke in the environment.
  • the number 10 generally indicates an emergency lighting fixture, especially for industrial environments according to this invention
  • 20 indicates the central body of an elongated shape typically constructed of a plastic material of the fixture 10 and 15 indicate a transparent shell acting as a shield for the luminescent radiation emitted by two incandescent light sources (for instance, two halogen lamps) indicated by 11 and 12, while 13 and 14 are two swiveling parabolic reflectors, placed at the ends of the body 20 and containing the lamps 11 and 12 opposite their focus points.
  • 37 indicates a LED diode signaling the lighted condition of the fixture 10, 18 and 18A indicate two holes set into the reflectors 13 and 14, respectively, passing electromagnetic rays 105 (described in a simplified manner in the drawings by dashed parallel lines) emitted by two laser diodes 17 and 17A;19 indicates two knobs, one for each reflector 13 and 14, suitable for adjusting the exit direction of the light ray produced by the lamps 11, 12 and the radiation emitted by the laser diodes 17 and 17A.
  • 22 indicates a general transmission mechanism of the motion produced by the knob 19 on the reflectors 13 and 14, which are attached to the central body 20 of the fixture 10 by a supporting structure identified as an overall unit by 25.
  • the inside of the body 20 holds an electrical signal conditioning circuit which includes the transformers 27, the power transistors 28, a terminal block 29 and the accumulator batteries 30.
  • each of the containers marked by 131 and 141 and attached to the reflectors 13 and 14, respectively, holds the laser diodes 17, 17A and the electronic circuits to transfer the electric signal to the laser diodes 17, 17A, indicated as a whole by 35.
  • the installer may thus arrange the fixture 10 in the desired area of an industrial environment, remove the shell 15 and carry out the necessary operations before replacing the plastic cover.
  • the same installer has the possibility, after removing the shell 15, of accessing the knobs 19 as needed to orient the reflectors 13, 14 at will and independently from each other, and thereby orient the directions of the light beams emitted by the lamps 11, 12, as well as the electromagnetic radiations 105 emitted by the laser diodes 17, 17A.
  • the direction of light beams 105 may be varied within a range of angular values from 0 to 90 degrees (including the extreme values), with respect to an imaginary longitudinal axis passing through the fixture's 10 center of gravity.
  • a laser diode with a MQW structure may be employed; for instance, a laser diode of a type HL6724MG, emitting a visible light (at a typical wavelength of 670 nm), at an optical outlet power of 5 mW, a typical operating current level of 35 mA, a threshold current value of 25 mA and a maximum operating voltage of 2.7 volt; the resulting light beam 105 shows a maximum angular divergence of 11 degrees in a direction parallel to the direction of diffusion of the beam and of 40 degrees in a direction perpendicular to the direction of diffusion of the beam.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (5)

  1. Dispositif d'éclairage de secours (10), destiné en particulier à des environnements industriels, utilisés pour indiquer toutes les voies et les sorties de secours en cas d'urgence et/ou d'une faible visibilité due au feu, comportant un corps (20), contenant des circuits électriques et électroniques (27-30) destinés à faire fonctionner le dispositif d'éclairage (10), présentant une configuration allongée recouverte d'une coque transparente (15) servant à diffuser le rayonnement de la lumière visible, ledit corps (20) supportant, à l'aide de moyens de support (25), une pluralité de réflecteurs paraboliques (13, 14), lesquels sont placés au niveau des bords dudit corps (20) du dispositif d'éclairage de secours (10), dans lequel une lampe halogène (11, 12) est adaptée à l'intérieur de chacun desdits réflecteurs paraboliques (13, 14) et au moins une source laser (17, 17A) est fournie derrière chacun desdits réflecteurs (13, 14) pour émettre un rayonnement laser (105) à l'extérieur du corps (20) à travers au moins un trou (18, 18A), lequel est prévu sur la surface arrière de chaque réflecteur (13, 14).
  2. Dispositif d'éclairage de secours (10) selon la revendication 1, caractérisé en ce que lesdits moyens de support (25) de chaque réflecteur (13, 14) sont connectés à un système de transmission (22), qui est prévu pour faire pivoter à la main lesdits réflecteurs paraboliques (13, 14).
  3. Dispositif d'éclairage de secours (10) selon la revendication 2, caractérisé en ce que ledit système de transmission (22) comporte au moins un bouton (19) pour faire pivoter manuellement lesdits réflecteurs paraboliques (13, 14).
  4. Dispositif d'éclairage de secours (10) selon la revendication 1, caractérisé en ce que ladite source laser (17, 17A) est insérée à l'intérieur d'au moins un conteneur (131, 141) fixé audit réflecteur (13, 14).
  5. Dispositif d'éclairage se secours (10) selon la revendication 4, caractérisé en ce que ledit conteneur (131, 141) contient des circuits électriques et électroniques (35) pour commander et transmettre des signaux à ladite source laser (17, 17A).
EP98200647A 1997-03-05 1998-03-03 Eclairage de secours, notamment pour environnements industriels Expired - Lifetime EP0863363B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT97MI000486 IT1290029B1 (it) 1997-03-05 1997-03-05 Apparecchio per l'illuminazione di emergenza, in particolare di ambienti industriali
ITMI970486 1997-03-05
ITMI971290 1997-06-02
IT97MI001290A IT1292055B1 (it) 1997-06-02 1997-06-02 Dispositivo di regolazione del fascio laser irradiato da apparecchi per l'illuminazione di emergenza,in particolare per ambienti

Publications (3)

Publication Number Publication Date
EP0863363A2 EP0863363A2 (fr) 1998-09-09
EP0863363A3 EP0863363A3 (fr) 2000-02-02
EP0863363B1 true EP0863363B1 (fr) 2005-07-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98200647A Expired - Lifetime EP0863363B1 (fr) 1997-03-05 1998-03-03 Eclairage de secours, notamment pour environnements industriels

Country Status (3)

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EP (1) EP0863363B1 (fr)
AT (1) ATE300701T1 (fr)
DE (1) DE69830937T2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1291721B1 (it) * 1997-05-05 1999-01-21 Beghelli Srl Apparecchio per illuminazione di emergenza
KR20020078574A (ko) * 2001-04-06 2002-10-19 김현완 비상 조명등
GB2440360B (en) * 2006-07-22 2011-05-11 Maureen Hurley Smoke detector system
DE102006049617A1 (de) * 2006-10-20 2008-04-30 Abb Ag Rauchmelder
GB0804472D0 (en) * 2008-03-11 2008-04-16 Patterson Kieran An evacuation lighting system
DE102011082844A1 (de) 2011-09-16 2013-03-21 Zumtobel Lighting Gmbh Beleuchtungsanordnung insbesondere zur Rettungswegbeleuchtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2284697A (en) * 1993-12-13 1995-06-14 Peter Robert Jones Emergency exit directing system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1181153A (fr) * 1981-07-29 1985-01-15 Michel Bergeron Dispositif d'alarme a telecommande
US4617561A (en) * 1985-03-11 1986-10-14 Second Chance Systems, Inc. Emergency light and smoke alarm system
ATE367655T1 (de) * 1992-11-24 2007-08-15 Laser Products Corp Batteriebetriebene blitzlichte
IT1279130B1 (it) * 1995-04-19 1997-12-04 Carello Spa Dispositivo di illuminazione adattativo, in particolare proiettore per veicoli.
JPH09320336A (ja) * 1996-05-31 1997-12-12 Eye Lighting Syst Corp 照明装置の吊下げ装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2284697A (en) * 1993-12-13 1995-06-14 Peter Robert Jones Emergency exit directing system

Also Published As

Publication number Publication date
EP0863363A2 (fr) 1998-09-09
ATE300701T1 (de) 2005-08-15
EP0863363A3 (fr) 2000-02-02
DE69830937D1 (de) 2005-09-01
DE69830937T2 (de) 2006-05-24

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