EP0863363A2 - Notbeleuchtungseinheit, insbesondere für industrielle Umgebungsbedingungen - Google Patents

Notbeleuchtungseinheit, insbesondere für industrielle Umgebungsbedingungen Download PDF

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Publication number
EP0863363A2
EP0863363A2 EP98200647A EP98200647A EP0863363A2 EP 0863363 A2 EP0863363 A2 EP 0863363A2 EP 98200647 A EP98200647 A EP 98200647A EP 98200647 A EP98200647 A EP 98200647A EP 0863363 A2 EP0863363 A2 EP 0863363A2
Authority
EP
European Patent Office
Prior art keywords
fixture
laser
laser beam
emergency lighting
plane
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
EP98200647A
Other languages
English (en)
French (fr)
Other versions
EP0863363B1 (de
EP0863363A3 (de
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/de
Publication of EP0863363A3 publication Critical patent/EP0863363A3/de
Application granted granted Critical
Publication of EP0863363B1 publication Critical patent/EP0863363B1/de
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.
  • 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 signaling unit can be fitted inside a normal flush-mounted box for electrical equipment, for instance one with three or six compartments.
  • the loosening a special screw of a tamper-proof type, fitted on the front face of the emergency lighting fixture according to this invention, allows turning a ring nut in such a way as to regulate the direction of the laser beam on a horizontal plane inside a pre-established angular sector, while the shifting of a plate, likewise positioned on the fixture's front face, allows regulating the laser emission in a vertical plane, so as to attain any position within a pre-established angle.
  • This angle equals 15 degrees with respect to a horizontal direction parallel to the front face of the fixture.
  • the laser beam deviates from the horizontal by about 2 meters.
  • 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 (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 emitted by the laser diodes 17, 17A.
  • the direction of light beams 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 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.
  • the emergency lighting fixture for industrial environments is indicated as an overall unit by 115
  • 455 indicates a frontal raceway of the fixture 115, preferably made of plastic material
  • 465 generically indicates two regulating devices for the same number of laser light beams, schematically shown by 105 and irradiated by the fixture 115
  • 45A generically indicates a supporting frame
  • 305 shows a face dial holding a device capable of sensing the presence of smoke in the environment.
  • 355 indicates the angle the laser beam 105 forms with the axis of symmetry, shown by 365, of the fixture 115, which lies in the middle of the raceway 455 and is arranged opposite the laser radiating sources, which are considered as point sources for simplicity and whose position is indicated by the reference 375.
  • This angle as measured beginning from the axis 365, falls within a range of +15 /-15 degrees; all of these values can be reached continuously by the laser beam 105.
  • 35A indicates the angle formed by the laser beam 105 with the outline, shown by 205, of a plane perpendicular to the plane identified by the outline indicated by 145 and passing through the laser light source 375.
  • This angle measured from the outline 205, falls within the range of 0 / + 15 degrees; all the values of this range may be reached continuously by the laser beam 105.
  • each laser source 375 constituted by a laser diode is contained within a respective fixture emitting an electromagnetic radiation, generally indicated by the reference 385, and the beam 105 is irradiated into the environment through an opening 595 of the containing structure 605 of the entire lighting fixture 115.
  • the regulating devices 465 of the laser beams 105 are preferably provided in two units and arranged in parallel on the raceway 455.
  • 225 indicates a plane at the point of installation of the fixture 115, which is embedded in a normal flush-mounted box for electrical installations as indicated by 405, at three compartments as shown in the figures 7,8 and 9 or at 6 compartments as shown in Figure 11 and destined to hold one or more units for signaling the presence of smoke and/or for guiding the emission of the laser radiation.
  • 395 indicates a special tamper-proof screw mounted coaxially along the raceway 145 with each emission source 375, which permits adjusting the directions of emission of a laser fixture 385
  • 125 indicates a circular ring nut equipped with a special needle indicator 485 to adjust the direction of the beam 105 in a horizontal sense according to the angle 355, while 135 indicates a plate for regulating the direction of the laser beam 105 in a vertical sense, according to the angle 35A, equipped with a special needle indicator 495.
  • a sensing device contained inside the fixture 115 transfers the signal to a signaling unit, not shown, set into the flush-mounted box 405, which in turn commands the lighting of the laser fixture 385.
  • a rotation of the ring nut 125 allows adjusting the beam 105 in a horizontal sense, within a range of angular values from +15 to -15 degrees.
  • the desired measure may be set up in such a manner that the needle on the indicator 485 points to the angular value chosen.
  • ring nut 125 forms a fixed unit with a U-shaped attachment, indicated by 525, in contact with a pin 515 of the laser fixture 385, which allows rotating the fixture 385 on the plane identified by the raceway 205.
  • the special screw 395 known in itself, has a hexagonal cavity and facilitates the assembly between the ring nut 125 and the plate 135 of the lighting fixture 115, thanks to its heavy tightening coefficients and low axial loads.
  • the geometric structure of the cavity is such as to require only a minimum pressure to hold the screwdriver in constant contact with the same; the screwing tool is therefore exposed to a low degree of wear.
  • the screw 395 is further equipped with an anti-breaking and cutting peg for a combination-type screwdriver.
  • the plate 135 designed for a vertical adjustment is connected with a pin shown by 535, which holds a peg 545 engaging with an eyelet 555, built in a single piece with the laser fixture 385, opposite one of the extremities.
  • Each horizontal motion of the plate 135 corresponds to a shift of the peg 545 inside the eyelet 555, forcing the fixture 385 to rotate and therefore to direct the laser beam 105 upward, as a result of a force exerted from the top downward, near an extremity.
  • the angle 35A formed by the laser beam 105 with the raceway 205 can be adjusted from the outside by the user, by shifting the plate 135 in a horizontal sense, until the needle of the indicator 495 comes to face the desired angular value, ranging between 0 and 15 degrees.
  • the subject fixture may be applied to walls or ceilings, even from considerable heights, in particular up to 7 m, so that the light beams emitted by the sources placed at the extremities of the fixtures can be directed into the environment at will.

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)
EP98200647A 1997-03-05 1998-03-03 Notbeleuchtungseinheit, insbesondere für industrielle Umgebungsbedingungen Expired - Lifetime EP0863363B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITMI970486 1997-03-05
IT97MI000486 IT1290029B1 (it) 1997-03-05 1997-03-05 Apparecchio per l'illuminazione di emergenza, in particolare di ambienti industriali
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 true EP0863363A2 (de) 1998-09-09
EP0863363A3 EP0863363A3 (de) 2000-02-02
EP0863363B1 EP0863363B1 (de) 2005-07-27

Family

ID=26331475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98200647A Expired - Lifetime EP0863363B1 (de) 1997-03-05 1998-03-03 Notbeleuchtungseinheit, insbesondere für industrielle Umgebungsbedingungen

Country Status (3)

Country Link
EP (1) EP0863363B1 (de)
AT (1) ATE300701T1 (de)
DE (1) DE69830937T2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878660A3 (de) * 1997-05-05 2000-01-12 Beghelli S.p.A. Notbeleuchtungs-Einrichtung
KR20020078574A (ko) * 2001-04-06 2002-10-19 김현완 비상 조명등
GB2440360A (en) * 2006-07-22 2008-01-30 Maureen Hurley A smoke detector system with a laser generator
WO2009112224A1 (en) * 2008-03-11 2009-09-17 Kieran Patterson A lighting device for a route guidance system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006049617A1 (de) * 2006-10-20 2008-04-30 Abb Ag Rauchmelder
DE102011082844A1 (de) * 2011-09-16 2013-03-21 Zumtobel Lighting Gmbh Beleuchtungsanordnung insbesondere zur Rettungswegbeleuchtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1181153A (en) * 1981-07-29 1985-01-15 Michel Bergeron Remote control alarm device
US4617561A (en) * 1985-03-11 1986-10-14 Second Chance Systems, Inc. Emergency light and smoke alarm system
WO1994013022A1 (en) * 1992-11-24 1994-06-09 Laser Products Corporation Flashlights and other battery-powered apparatus for holding and energizing transducers
GB2284697A (en) * 1993-12-13 1995-06-14 Peter Robert Jones Emergency exit directing system
EP0738904A1 (de) * 1995-04-19 1996-10-23 MAGNETI MARELLI S.p.A. Adaptives Beleuchtungsgerät, insbesondere Fahrzeugscheinwerfer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09320336A (ja) * 1996-05-31 1997-12-12 Eye Lighting Syst Corp 照明装置の吊下げ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1181153A (en) * 1981-07-29 1985-01-15 Michel Bergeron Remote control alarm device
US4617561A (en) * 1985-03-11 1986-10-14 Second Chance Systems, Inc. Emergency light and smoke alarm system
WO1994013022A1 (en) * 1992-11-24 1994-06-09 Laser Products Corporation Flashlights and other battery-powered apparatus for holding and energizing transducers
GB2284697A (en) * 1993-12-13 1995-06-14 Peter Robert Jones Emergency exit directing system
EP0738904A1 (de) * 1995-04-19 1996-10-23 MAGNETI MARELLI S.p.A. Adaptives Beleuchtungsgerät, insbesondere Fahrzeugscheinwerfer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 04, 31 March 1998 (1998-03-31) -& JP 09 320336 A (EYE LIGHTING SYST CORP), 12 December 1997 (1997-12-12) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878660A3 (de) * 1997-05-05 2000-01-12 Beghelli S.p.A. Notbeleuchtungs-Einrichtung
KR20020078574A (ko) * 2001-04-06 2002-10-19 김현완 비상 조명등
GB2440360A (en) * 2006-07-22 2008-01-30 Maureen Hurley A smoke detector system with a laser generator
GB2440360B (en) * 2006-07-22 2011-05-11 Maureen Hurley Smoke detector system
WO2009112224A1 (en) * 2008-03-11 2009-09-17 Kieran Patterson A lighting device for a route guidance system

Also Published As

Publication number Publication date
DE69830937D1 (de) 2005-09-01
DE69830937T2 (de) 2006-05-24
ATE300701T1 (de) 2005-08-15
EP0863363B1 (de) 2005-07-27
EP0863363A3 (de) 2000-02-02

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