EP2642186B1 - Beleuchtungsvorrichtung, insbesondere zur Verwendung in Außenbereichen - Google Patents

Beleuchtungsvorrichtung, insbesondere zur Verwendung in Außenbereichen Download PDF

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Publication number
EP2642186B1
EP2642186B1 EP13001445.9A EP13001445A EP2642186B1 EP 2642186 B1 EP2642186 B1 EP 2642186B1 EP 13001445 A EP13001445 A EP 13001445A EP 2642186 B1 EP2642186 B1 EP 2642186B1
Authority
EP
European Patent Office
Prior art keywords
led
led unit
lighting device
leds
casing
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.)
Active
Application number
EP13001445.9A
Other languages
English (en)
French (fr)
Other versions
EP2642186A3 (de
EP2642186A2 (de
Inventor
Domenico Bosatelli
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.)
Gewiss SpA
Original Assignee
Gewiss 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
Application filed by Gewiss SpA filed Critical Gewiss SpA
Publication of EP2642186A2 publication Critical patent/EP2642186A2/de
Publication of EP2642186A3 publication Critical patent/EP2642186A3/de
Application granted granted Critical
Publication of EP2642186B1 publication Critical patent/EP2642186B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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

Definitions

  • the present invention relates to a lighting device for outdoor use.
  • Various lighting devices for outdoor use are known: devices intended for lighting roads with low or high traffic, devices for lighting public spaces, spot lighting devices for areas of particular value, projectors, etc.
  • Those LED lighting devices have a unit constituted by a PCB (Printed Circuit Board) designed to supply the LEDs with the correct power.
  • PCB Print Circuit Board
  • the light generated by the LEDs is then directed by optical lenses as a function of the level and type of lighting desired.
  • LED devices include metal heat sinks arranged in contact with the LEDs and designed to dissipate the heat generated during the operation of the LEDs.
  • Those heat sinks are connected to the PCB by means of metallic fasteners that act by pressing the lenses mechanically against the heat sinks.
  • the assembly is then connected to the metal base of the lighting device by means of plates and connections of the metallic type.
  • US5785418 discloses an electrically driven LED lamp assembly having a thermally insulating material disposed over the heat sink, for sandwiching the heat sink against the conductive plating, to limit heat transfer into the heat sink from the outside.
  • the assembly comprises a housing that supports a flange, extending radially from the heat sink, with the interposition of a thermally insulating gasket.
  • US2010/277917 discloses an LED light system comprising LEDs mounted on a PCB and an insulating member arranged between the PCB and the heat sink.
  • Such electronic assembly is particularly sensitive to an overvoltage due to events such as, for example, atmospheric discharges, grid switching, etc.
  • the overvoltage is applied between the supply conductors of the unit and the casing thereof and can exceed the maximum voltage value that can be withstood by the LEDs.
  • the lighting devices are often located on poles at a considerable height from the ground.
  • the system most commonly used to protect the lighting devices is to arrange surge protection devices (SPDs) on panels arranged at the base of the pole and/or inside said devices.
  • SPDs surge protection devices
  • the surge protector devices have an impedance that can vary according to the voltage to which they are subjected, shifting from constituting a very high value impedance to a very low value impedance, as the voltage increases above a certain threshold value.
  • the SPDs are an economic burden and, in order to operate correctly, require an adapted ground connection by means of which the device dissipates the discharge.
  • the aim of the present invention is to provide a lighting device, particularly for outdoor use, that overcomes the drawbacks of the cited prior art.
  • an object of the invention is to provide a lighting device that has a high resistance to overvoltages.
  • a particular object of the present invention is to provide a lighting device, particularly for outdoor lighting, that is self-protected against atmospheric discharges.
  • Another object of the invention is to provide a lighting device that does not need to be provided with an SPD and with the corresponding ground connection.
  • a further object of the invention is to provide a device which, by virtue of its particular constructive characteristics, is capable of giving the greatest assurances of reliability and safety in use.
  • the modular LED lighting device includes an LED board on which LEDs arranged in a row are mounted; a heat sink, connected to the LED, is isolated from the case made of metallic material of the lighting device by means of a support made of plastic material.
  • the lighting device according to the present invention is characterized in that it has a higher resistance to overvoltages than traditional lighting devices.
  • the lighting device according to the present invention is characterized in that it does not require the protection of an SPD.
  • the lighting device particularly for outdoor use, according to the invention, generally designated by the reference numeral 1, has a casing constituted by a lower shell 2 and by a cover 3.
  • the LED lighting device may have various shapes in relation to the required functional and design characteristics.
  • Figure 6 shows a lighting device 100 having a disk-shaped casing.
  • the casing accommodates one or more LED units, each designated by the reference numeral 4, which are generally arranged in the lower shell 2 of the lighting device 1.
  • Each LED unit 4 has an LED board 5 on which LEDs 6 are mounted.
  • the an LED board 5 includes sixteen LEDs 6 arranged in pairs, longitudinally along the board 5.
  • the LED board 5 is associated with a heat sink 7 made of metallic material.
  • LED unit 4 The construction of the LED unit 4 described above is merely an example and the person skilled in the art clearly understands that the LED unit can be provided in different manners.
  • the LED unit 4 is associated with the casing of the lighting device 1 by means of a support base 10, made of insulating material, so that the lower shell 2 and the LED unit 4, and particularly the metallic heat sink 7, are mutually electrically insulated.
  • the support base 10 of the present invention comprises side panels 11 and 12 joined to a front member 13 and to a rear member 14, and a bottom frame member 15.
  • the side panels 11 and 12 are provided with fastener members 16 which elastically engage the LED unit 4.
  • the support base 10 locks the lens plate 18 into its position.
  • the invention achieves the intended aim and objects, providing an LED lighting device that has a higher resistance to the overvoltages to which it can be subjected.
  • the lighting device according to the present invention differs from traditional devices in that it does not need to be protected against overvoltages by means of an SPD surge voltage arrester.
  • the materials used, as well as the dimensions, may be any according to the requirements and the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (2)

  1. Eine Beleuchtungsvorrichtung, insbesondere zur Verwendung in Außenbereichen, die Folgendes umfasst: ein Gehäuse (2, 3), das eine oder mehrere LED-Einheiten (4) enthält, wobei jede LED-Einheit (4) aus einer LED-Platine (5) besteht, die mit einer oder mehreren LEDs (6) ausgestattet ist; eine transparente Objektivstandarte (18), die an der LED-Platine (5) angebracht ist; wobei die LED-Einheit (4) eine Wärmesenke (7) aus Metall umfasst; wobei die LED-Einheit (4) mit dem Gehäuse (2, 3) unter Anbringung eines Isolationsglieds (10) dazwischen verbunden ist, wobei das Isolationsglied (10) das Gehäuse (2, 3) elektrisch gegenüber der LED-Einheit (4) und der Wärmesenke (7) aus Metall isoliert; wobei das Isolationsglied eine tragende Basis (10) aus isolierendem Material umfasst, wobei die tragende Basis (10) mit der LED-Einheit (4) verbunden ist und die LED-Einheit (4) elektrisch gegenüber dem Gehäuse (2, 3) isoliert; wobei die Vorrichtung dadurch gekennzeichnet ist, dass die tragende Basis (10) Seitentafeln (11, 12) umfasst, die mit einem vorderen Glied (13), einem hinteren Glied (14) und einem unteren Rahmenglied (15) verbunden sind; wobei die Seitentafeln (11, 12) mit Befestigungsgliedern (16) ausgestattet sind, welche in elastischem Eingriff mit der LED-Einheit (4) stehen; wobei die tragende Basis (10) die Objektivstandarte (18) in ihrer Position arretiert.
  2. Die Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass die LED-Einheit (4) die LED-Platine (5) und eine oder mehrere LEDs (6) umfasst, die an der Platine (5) montiert sind, und Objektivmittel (8) für jede der LEDs (6).
EP13001445.9A 2012-03-23 2013-03-20 Beleuchtungsvorrichtung, insbesondere zur Verwendung in Außenbereichen Active EP2642186B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000458A ITMI20120458A1 (it) 2012-03-23 2012-03-23 Dispositivo illuminante, particolarmene per esterni

Publications (3)

Publication Number Publication Date
EP2642186A2 EP2642186A2 (de) 2013-09-25
EP2642186A3 EP2642186A3 (de) 2014-04-16
EP2642186B1 true EP2642186B1 (de) 2022-09-14

Family

ID=46548618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001445.9A Active EP2642186B1 (de) 2012-03-23 2013-03-20 Beleuchtungsvorrichtung, insbesondere zur Verwendung in Außenbereichen

Country Status (4)

Country Link
EP (1) EP2642186B1 (de)
CN (1) CN103322449B (de)
ES (1) ES2932128T3 (de)
IT (1) ITMI20120458A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106931374A (zh) * 2015-12-31 2017-07-07 深圳市清飞达能源科技有限公司 Led路灯
CN109724022A (zh) * 2017-10-31 2019-05-07 光宝电子(广州)有限公司 户外照明装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5785418A (en) * 1996-06-27 1998-07-28 Hochstein; Peter A. Thermally protected LED array
US7196459B2 (en) * 2003-12-05 2007-03-27 International Resistive Co. Of Texas, L.P. Light emitting assembly with heat dissipating support
US20100277917A1 (en) * 2009-05-01 2010-11-04 Xinxin Shan Electrically insulated led lights
ITMI20112064A1 (it) * 2011-11-14 2013-05-15 Gewiss Spa Dispositivo illuminante a led modulare, particolarmente per lampioni stradali e simili

Also Published As

Publication number Publication date
CN103322449A (zh) 2013-09-25
EP2642186A3 (de) 2014-04-16
EP2642186A2 (de) 2013-09-25
ITMI20120458A1 (it) 2013-09-24
CN103322449B (zh) 2019-03-22
ES2932128T3 (es) 2023-01-13

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