WO2018215255A1 - Lampe avec module led interchangeable - Google Patents

Lampe avec module led interchangeable Download PDF

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Publication number
WO2018215255A1
WO2018215255A1 PCT/EP2018/062661 EP2018062661W WO2018215255A1 WO 2018215255 A1 WO2018215255 A1 WO 2018215255A1 EP 2018062661 W EP2018062661 W EP 2018062661W WO 2018215255 A1 WO2018215255 A1 WO 2018215255A1
Authority
WO
WIPO (PCT)
Prior art keywords
led module
lamp
heat sink
recess
luminaire
Prior art date
Application number
PCT/EP2018/062661
Other languages
German (de)
English (en)
Inventor
Christian ENGELMANN
Original Assignee
Engelmann Christian
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 Engelmann Christian filed Critical Engelmann Christian
Publication of WO2018215255A1 publication Critical patent/WO2018215255A1/fr

Links

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
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0055—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by screwing
    • 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
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0045—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by tongue and groove connections, e.g. dovetail interlocking means fixed by sliding
    • 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
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a luminaire, which has a heat sink, wherein the heat sink has an end face, which may have a recess, in particular in the form of a groove, and the end face for conditioning or receiving an LED module, wherein the LED module can be pressed by means of a rotatable on the heat sink member arranged on the front side or bottom wall.
  • EP 1 590 996 B1 discloses, where there are fixed base on the heat sink, in which the LED modules can be used.
  • the disadvantage here is that special sockets are required for the LED module receptacle, which make the production process more difficult and more expensive.
  • a similar lighting system is known from EP 2719938A1, US2010 / 0025721A1, DE 20 2008 011 979 U1 and US2011 / 0176308 AI.
  • a disadvantage of these systems is that the LED modules are supplied by means of complex busbars, contact elements, etc. with electrical energy.
  • the EP 14 16 219 Bl discloses various lights, with LED modules can be inserted or inserted into a recess of a heat sink, wherein the LED modules have at least one LED on its front and with its rear side against the bottom wall of the recess of the heat sink by means separate connection and pressure means are pressed.
  • Object of the present invention is to provide a lamp in which the LED modules used are easily replaceable and also supplied with little effort with electrical energy and cooled in a simple manner. This object is achieved with a lamp with the features of claim 1. Further advantageous embodiments of the invention according to claim 1 result from the features of the dependent on claim 1 dependent claims.
  • the lamp according to the invention is characterized in that the part which presses the LED module against the end face or bottom wall of the recess, rotatably mounted on the heat sink. It is thus movable back and forth between at least two positions by turning relative to the heat sink, wherein it presses the LED module against the bottom wall in a first position.
  • an electrical switch in particular actuated by the part or an electrical connection can be connected.
  • the purpose of this switch or the switching of an electrical connection line is that the LED module is energized only in this first position with voltage or the LED (s) light up. In this way, it is advantageously achieved that the person using the LED module does not forget to twist the part into the first position after inserting, since otherwise the luminaire would not light up.
  • Twisting into the first position is very important in that the LED module must always be pressed firmly against the bottom wall of the recess for safe operation, so that a good dissipation of the heat from the LED module to the heat sink is ensured.
  • the second position in which the LED module from the recess or the lamp can be removed or pulled or used, due to the disconnected supply voltage insertion or removal of the LED module is easily possible because this is not under Tension occurs.
  • the inventive design of the lamp thus advantageously ensures that only in the first position, the LED module or the at least one LED of the LED module is electrically connected to a voltage source or power supply.
  • the rotatable part has a conductive surface or element which by twisting the part in the first position two, z. B. on the supply module or the LED module provided electrical contacts electrically connected to each other, so that a circuit is closed when the electrically conductive surface or the electrically conductive tende element in contact with both electrical contacts.
  • the rotatable arranged on the heat sink part is advantageously formed by its shape so that it releases the recess of the heat sink in the second position, so that the LED module in the recess of the heat sink can be inserted or removed from this.
  • the recess is at least partially hidden due to the corresponding configuration of the part, so that the LED module is securely held in the recess.
  • the part which is arranged rotatably on the cooling body in the first position, can be secured relative to the cooling body, in particular by means of a latching, by means of an antirotation device against unintentional rotation out of the first position.
  • a safe operation is ensured in which z. B. due to thermal expansion or vibration, the part is not unintentionally moved out of the first position out.
  • the provision of a latching has the advantage that the person operating the luminaire registers haptically and / or acoustically by the latching action, that the part is now in the intended first position and the luminaire is then ready for use again and properly in a lamp, Wall, ceiling or the like, can be used.
  • the rotation can advantageously have an elastic or resilient latching lug, which engages in the first position in a recess of the heat sink. But it is also possible that on the heat sink, a projection in the form of a latching nose is formed, which engages in a corresponding recess of the rotatable member in the first position.
  • the generic or above-described lamp can be designed such that the cooling body having a rotatable arranged on him part facing, in particular flat, side, in which the recess is formed and formed on the side facing away from at least one cooling fin.
  • Adjacent to the side with the recess is a, in particular cylindrical, wall on which at least one radially outwardly projecting projection is arranged, in particular formed, which cooperates with guide surfaces of the rotatable part, wherein the guide surfaces are or are, in particular are formed thread-shaped, that upon rotation of the part from the second position in the direction of the first position, the part is moved in the axial direction towards the heat sink and thus the LED module is pressed against the bottom wall of the recess. Just by the rotational movement thus a contact pressure is generated.
  • the lamp may have two, three or more distributed around the circumference of the heat sink around arranged projections, which cooperate with a respective guide surface or guide curve of the part.
  • a supply module which is connectable via electrical connection lines with a supply voltage.
  • the supply module in this case has electrical contacts, which interact with electrical contacts of the LED module and securely contact when the LED module is fully inserted into the lamp or its recess.
  • the switch which is actuated by rotating the rotatable member, is advantageously arranged on or on the supply module.
  • the switch is arranged on the LED module (40). For economic reasons, however, it makes more sense to provide the switch on the supply module, since otherwise each LED module would require its own switch.
  • the rotatable part is in this case designed such that it has a projection or inclined surface, which is arranged on the bottom wall or on a, in particular cylindrical, inner wall of the part, and that upon rotation of the part in the first position of the switch means the projection or the inclined surface is actuated and thus the LED module with the power supply or the circuit is in communication.
  • the lamp can also have a glass / plastic element and / or a reflector in or on the rotatable part, the glass / plastic element and / or the reflector being secured in the luminaire by means of a cover part fastened to the rotatable part, in particular sleeve-shaped or are.
  • Fig. 1 A perspective view of the heat sink with rotatable part and lid part arranged thereon;
  • Fig. 2 Exploded view of a possible invention
  • Fig. 3 cross-sectional view through a mounted luminaire
  • Fig. 4 side view and top view of a heat sink with
  • Fig. 5 supply module with microswitch
  • Fig. 6 view from below of the rotatable part
  • Fig. 7 partial detail from FIG. 6;
  • Fig. 8 supply module with an SMD switch
  • Fig. 9 supply module with as a microswitch
  • Fig. 10a u. 10b rotatable part with electrically conductive coating or element
  • Fig. I ia u. Hb. Supply module with two resilient electrical contact elements which contact the conductive coating or conductive element shown in Figures 10a and 10b in the first position;
  • Fig. 12a u. 12b alternative embodiment of the supply module, with only one resilient electrical contact, which contacts with an element arranged on the rotatable electrically conductive element or coating in the first position, wherein the electrically conductive element or the coating must be connected to an additional conductor.
  • FIG. 1 shows a perspective view of the heat sink 10 with a rotatable part 50 and lid part 80 arranged thereon. B. by screws to the part 50 are fixed after the glass / plastic element 70 shown in Figure 2 has been inserted into the part 50.
  • the heat sink 10 has a plurality of cooling fins 10k.
  • the part 50 is rotatably mounted and can be rotated back and forth between a first and a second position, wherein the rotational movement through the slot 50e and the heat sink attached to the bolt or screw 80 is limited. If a screw 80 is used, its screw head, provided that its diameter is greater than the width of the slot 50e, prevents the part 50 from being separated from the heat sink 10.
  • the part 50 and the cover part 80 each have a cylindrical wall, wherein the inner diameter of the cylindrical wall of the cover part is greater than the outer diameter of the part 50, so that the cover part can be pushed over the part 50.
  • the lid part has at its upper opening a circumferential collar 80k, with which the glass / plastic element 70 shown in Figure 2 is held securely in the lamp 1.
  • the part 50 has a window-like opening 50k, through which the light emitted by the LED module can emit light toward the front.
  • the part 50 has a lateral recess 50h which releases the recess 10V formed in the end face 10 ⁇ of the heat sink 10 in the second position of the part 50 and no longer covers it, so that the LED module is inserted into the recess 10m from the side. can be pushed in or pulled out of this.
  • the heat sink on a flat face 10 ⁇ , in which the recess 10 ⁇ is arranged.
  • a recess lOw and a recess lOr are also provided, which serve for receiving a supply module 30 and connecting lines, not shown, with which the supply module is connected to a power grid or a supply source or connectable serve.
  • a bore with internal thread 10p is provided, in which the locking screw 80 can be screwed after the part 50 is placed on the heat sink 10.
  • a cylindrical wall 10g Laterally adjoins the end face 10 ⁇ a cylindrical wall 10g, are integrally formed or attached to the radially projecting projections 10t. These projections 10t cooperate with guide surfaces 50f which are disposed on the inside of the cylindrical wall 50b 'of the part 50.
  • the guide surfaces 50f are designed and arranged such that upon rotation of the part 50 from the second position to the first position, the part 50 is adjusted with its bottom wall 50c toward the heat sink 10 and in the first position with its bottom wall or walls formed thereon LED module presses with its underside against the bottom wall 10b of the recess lOv.
  • the LED module 40 may include electrical contacts 40k that contact electrical contacts 30c, 30k of the power supply module as soon as the LED module is fully inserted into the recess.
  • the at least one LED is arranged on the upper side of the LED module 40, wherein the end face 40s of the board of the LED module 40 in the inserted state can be aligned with the cylindrical wall 10g of the heat sink. In the first position, the cylindrical wall 50b ' lies at least partially in front of the end face 40s, so that the LED module 40 can not slide out of the lamp and the electrical contact between LED module 40 and supply module 30 is ensured.
  • the lateral walls 10s of the recess 10v keep the inserted LED module in position.
  • FIG. 3 shows a cross-sectional view through a mounted luminaire 1, which can be connected via the cable K to an external voltage source.
  • FIG. 4 shows, on the left, a side view of a heat sink 10 with a rotatable part 50 arranged thereon. On the right, a plan view of a heat sink 10 with inserted supply module 30 and LED module 40 is shown.
  • FIG. 5 shows an inventive supply module 30 with a base board 30g, electrical contacts 30k, and a microswitch 60.
  • the supply module 30 has connections 30a for the connection of a cable K, which is not shown.
  • the terminals 30a are connected via interconnects 30b to the electrical contacts 30k, wherein the one electrical connection between terminal 30a and contact 30k can be disconnected or closed via the microswitch 60.
  • the microswitch 60 has a switching rocker 60a, which is actuated by a projection 50v which, as shown in FIG. 6, is arranged on the part 50, in particular molded, as soon as the part 50 has been rotated into the first position relative to the heat sink 10 is.
  • FIG. 7 shows an enlarged partial section of FIG. 6. Since the microswitch 60 is arranged on the side of the board 30g, the projection 50v must be arranged to protrude radially inward on the cylindrical wall 50b ' .
  • FIG. 8 shows another possible supply module 30 with an SMD switch 60, wherein it is arranged standing on the circuit board 30g, so that it is only supported by an axially protruding projection, which is e.g. B. is arranged or formed on the bottom wall 50d of the part 50, can be actuated.
  • 9 shows an alternative supply module with a microswitch 60, the rocker 60a of which also has to be actuated in the axial direction, similar to the SMD switch 60 shown and described in FIG. 8.
  • the rocker 60a adjusts an actuator 60b when the rocker 60a is pressed down, whereby the switch establishes an electrical connection such that the electrical contacts 30k are in electrical connection with their associated electrical terminals 30a.
  • FIGS. 10a and 10b show a further possible embodiment of the rotatable part 50, which has an electrically conductive coating 50r.
  • the electrical conductive coating can also be inserted through into the part 50 inserted conductive element to be replaced.
  • the electrical contact element 50r may be arranged either on the bottom wall 50c or on the inside of the cylindrical wall 50b ' .
  • the resilient contacts 90 which are arranged on the supply module 30 and shown in the figures I Ia and Ib, contact the electrical contact element 50r, so that the electrical connection between the terminals 30a and the contacts 30k is made.
  • a part 50 is to be used, as shown in FIG. 10a.
  • a part 50 is to be used, as shown in FIG. 10b.
  • Figures 12a and 12b show an alternative embodiment of the supply module 30, which has only one resilient electrical contact 90, which cooperates with an electrical contact element 50r, as shown in Figures 10a and 10b, and closes a circuit when electrically connected.
  • the electrically conductive contact element 50r must be connected to an additional conductor, which in turn must be connected to the connection cable K or one of the connections 30a of the supply module 30.
  • the switching function of the part 50 is by turning, ie. the twisting of the part 50 from the first to the second position, the electrical contact from the advantageous voltage-carrying line to the LED module 40 is interrupted by a switch. Following this, the LED module 40 can be replaced without voltage.
  • the switch 60 then closes the electrical connection again when the part 50 is rotated from the second position to the first position, at the same time the LED module is pressed against the bottom wall of the recess of the heat sink. This ensures that operation without a minimum contact pressure of the LED module is not possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention concerne une lampe (1) comprenant un dissipateur de chaleur (10), le dissipateur de chaleur (10)comprenant une cavité (10d), en particulier en forme d'une rainure, qui sert au logement d'un module LED (40), la cavité (10v) comprenant une paroi inférieure (10b) et le module LED (40) pouvant être pressé contre la paroi inférieure (10b) au moyen d'une pièce (50) disposée de manière rotative sur le dissipateur de chaleur (10), caractérisée en ce que la pièce (50) peut être déplacée entre au moins deux positions par rotation relative au dissipateur de chaleur (10), le module LED (40) étant, dans une première position, pressé contre la paroi inférieure (10b) et, dans cette première position, actionnant un interrupteur électrique (60) ou commutant une connexion électrique.
PCT/EP2018/062661 2017-05-24 2018-05-16 Lampe avec module led interchangeable WO2018215255A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017111485.8A DE102017111485A1 (de) 2017-05-24 2017-05-24 Leuchte mit auswechselbarem LED-Modul
DE102017111485.8 2017-05-24

Publications (1)

Publication Number Publication Date
WO2018215255A1 true WO2018215255A1 (fr) 2018-11-29

Family

ID=62222640

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/062661 WO2018215255A1 (fr) 2017-05-24 2018-05-16 Lampe avec module led interchangeable

Country Status (2)

Country Link
DE (1) DE102017111485A1 (fr)
WO (1) WO2018215255A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008011979U1 (de) 2008-04-01 2008-12-11 Lebensstil Technology Co., Ltd. Montageanordnung eines Leuchtkörpers
US20100025721A1 (en) 2008-07-23 2010-02-04 Takaaki Sakai Optical semiconductor device module having leaf springs with different rectangularly-shaped terminals
EP1590996B1 (fr) 2003-02-07 2010-07-14 Panasonic Corporation Systeme d'eclairage utilisant une platine montant un module plat a led sur un dissipateur thermique
US20110176308A1 (en) 2010-01-20 2011-07-21 Hsiang-Chen Wu Illumination device and light-emitting module thereof
US7988336B1 (en) * 2010-04-26 2011-08-02 Xicato, Inc. LED-based illumination module attachment to a light fixture
US20130039043A1 (en) * 2011-08-09 2013-02-14 KBK Technologies, Inc. Pendant or accent light with thermal expansion accommodation heat sink
US20140029268A1 (en) * 2012-07-27 2014-01-30 Byeongguk MIN Lighting device
EP2719938A1 (fr) 2012-10-11 2014-04-16 OSRAM GmbH Dispositif d'éclairage
EP1416219B1 (fr) 2001-08-09 2016-06-22 Everlight Electronics Co., Ltd Illuminateur del et source lumineuse d'eclairage del de type carte
US20170130914A1 (en) * 2015-11-06 2017-05-11 Led Lenser Corp. Ltd. Apparatus and system for a multi-modal flashlight

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8222820B2 (en) 2010-07-27 2012-07-17 Cirocomm Technology Corp. LED lamp with replaceable light unit
JP4963736B2 (ja) 2010-10-28 2012-06-27 日本航空電子工業株式会社 照明装置
JP6010116B2 (ja) 2011-06-06 2016-10-19 フィリップス ライティング ホールディング ビー ヴィ ソケット、照明モジュール、及び、照明器具
US9127817B2 (en) 2011-08-26 2015-09-08 Lg Innotek Co., Ltd. Lighting device with removable heat sink housing a power supply
JP2013201082A (ja) 2012-03-26 2013-10-03 Toshiba Lighting & Technology Corp 照明装置
DE102015120490A1 (de) 2015-11-26 2017-06-01 Christian Engelmann Beleuchtungssystem

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1416219B1 (fr) 2001-08-09 2016-06-22 Everlight Electronics Co., Ltd Illuminateur del et source lumineuse d'eclairage del de type carte
EP1590996B1 (fr) 2003-02-07 2010-07-14 Panasonic Corporation Systeme d'eclairage utilisant une platine montant un module plat a led sur un dissipateur thermique
DE202008011979U1 (de) 2008-04-01 2008-12-11 Lebensstil Technology Co., Ltd. Montageanordnung eines Leuchtkörpers
US20100025721A1 (en) 2008-07-23 2010-02-04 Takaaki Sakai Optical semiconductor device module having leaf springs with different rectangularly-shaped terminals
US20110176308A1 (en) 2010-01-20 2011-07-21 Hsiang-Chen Wu Illumination device and light-emitting module thereof
US7988336B1 (en) * 2010-04-26 2011-08-02 Xicato, Inc. LED-based illumination module attachment to a light fixture
US20130039043A1 (en) * 2011-08-09 2013-02-14 KBK Technologies, Inc. Pendant or accent light with thermal expansion accommodation heat sink
US20140029268A1 (en) * 2012-07-27 2014-01-30 Byeongguk MIN Lighting device
EP2719938A1 (fr) 2012-10-11 2014-04-16 OSRAM GmbH Dispositif d'éclairage
US20170130914A1 (en) * 2015-11-06 2017-05-11 Led Lenser Corp. Ltd. Apparatus and system for a multi-modal flashlight

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