EP2918904B1 - Dispositif d'éclairage et procédé de montage pour un dispositif d'éclairage - Google Patents

Dispositif d'éclairage et procédé de montage pour un dispositif d'éclairage Download PDF

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Publication number
EP2918904B1
EP2918904B1 EP14159693.2A EP14159693A EP2918904B1 EP 2918904 B1 EP2918904 B1 EP 2918904B1 EP 14159693 A EP14159693 A EP 14159693A EP 2918904 B1 EP2918904 B1 EP 2918904B1
Authority
EP
European Patent Office
Prior art keywords
housing part
housing
illumination device
support element
ballast
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.)
Not-in-force
Application number
EP14159693.2A
Other languages
German (de)
English (en)
Other versions
EP2918904A1 (fr
Inventor
Anna Günter
Alexander Kerpe
Tobias Oesterwiemann
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.)
Lunux GmbH
Original Assignee
Hella KGaA Huek and Co
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 Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Priority to EP14159693.2A priority Critical patent/EP2918904B1/fr
Priority to ES14159693.2T priority patent/ES2646602T3/es
Priority to PCT/EP2015/055376 priority patent/WO2015136112A1/fr
Publication of EP2918904A1 publication Critical patent/EP2918904A1/fr
Application granted granted Critical
Publication of EP2918904B1 publication Critical patent/EP2918904B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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
    • 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
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • 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 invention relates to a lighting device according to the preamble of patent claim 1.
  • the invention relates to a mounting method for the lighting device.
  • a lighting device with a multi-part housing and to connect the housing parts with each other.
  • the housing parts are screwed or clipped together. Each results in a detachable connection of the housing parts.
  • weld the housing parts together For example, made of plastic housing parts by means of vibration welding can be firmly bonded together. After connecting the housing parts, these are not to be dismantled without destruction.
  • a preferably flat contact of the housing parts is compelling to one another.
  • Housing parts which are provided at a distance from each other, can not be connected to one another in the above-mentioned manner.
  • An illumination device having at least one light source, a circuit carrier assigned to the at least one light source, and a light disc and a housing is known, for example, from US Pat EP 1 389 711 A2 known.
  • the disclosed recessed luminaire provides that a lens is applied to a support member of the housing. A determination of the lens on the support elements via a fast-curing adhesive cohesively.
  • Object of the present invention is to provide a lighting device with at least two mutually spaced, cohesively connected housing parts and to provide an assembly method for such a lighting device.
  • the invention has the features of claim 1.
  • the particular advantage of the invention is that a cohesive connection of the two housing parts can be realized by the encapsulation of the at least one support element with the curable material, although these are provided at a distance from each other.
  • the carrier element serves as a connecting web between the two housing parts.
  • the two housing parts can be provided exactly positioned to each other when connecting them. A relative movement of the housing parts relative to one another is not necessary, unlike the connection thereof by means of vibration welding.
  • a first housing part can receive the circuit carrier with the at least one light source.
  • the first housing part can be provided spaced from a second housing part, which is designed in particular for receiving the ballast.
  • an air gap may be formed between the first housing part and the second housing part, the lighting device dispensing with a housing in the region of the air gap.
  • a plurality of high-power LEDs are provided as light sources and fixed to a common circuit carrier.
  • the ballast is provided in the other housing part.
  • the same is formed in the manner of a molded ballast.
  • An encapsulation of the electrical ballast is formed by the hardening material, which at the same time defines the at least one carrier element on the other housing part.
  • the curing material in this case has a dual function. It serves to electrically insulate and seal the ballast and the circuit substrate with the light sources.
  • the material connects the two housing parts. It simplifies insofar the assembly or the production of the lighting device, because it can be dispensed with separate steps for sealing and insulating the ballast on the one hand and for connecting the housing parts on the other hand.
  • the curable material is introduced in the liquid state via the air gap and provided on the other housing part opening in the other housing part. After curing, the housing parts are connected and the ballast and the circuit board with the light sources electrically insulated and sealed.
  • the structural element protrudes from the one housing part at least one structural element in the direction of the other housing part.
  • the structural element provides a passage opening which is completely surrounded by a wall on the shell side and is dimensioned such that the structural element in the molded state is in each case partially surrounded by the hardening material on the shell side.
  • the structural element can be designed, for example, in the manner of a cable feedthrough or in the manner of a plug connection, electric contacts or electrical conductors being guided in the region of the through opening.
  • an electrical contacting of the ballast and the light source can be made possible.
  • the Contacting takes place in such a way that the structure element is cast by the production of the potting compound and the connection is sealed and electrically insulated.
  • the structural element projects insofar with a free, projecting from the one housing part end into the potting.
  • the assembly method according to the invention has the features of claim 8.
  • the particular advantage of the invention is that the positive connection of the two housing parts is made after attaching the first housing part to the second housing part in a simple manner by pouring the terminal portion with the curable material and by the subsequent curing of the curable material.
  • the curable material is in particular filled via a provided on the other housing part opening in the connection area.
  • the assembly can therefore take place in a well controlled process with high accuracy or reproducibility.
  • the connection can be made cohesively or positively.
  • form-fitting connection can be formed on the support member, for example, a fillable with the curable material recess or opening.
  • the support element may be angled, wherein it is cast in the angled executed area with the curable material.
  • an electric functional element in particular the electric ballast for driving light sources, is inserted into the other housing part before filling the receiving area with the curable material.
  • the electrical functional element is then cast with the curable material.
  • the electrical functional element can be sealed or electrically insulated.
  • the cohesive or positive connection of the housing parts can be produced with the same curable material.
  • the electric Insulation of the electrical functional element or its sealing on the one hand and the connection of the housing parts on the other hand takes place in a single assembly step. The assembly can therefore be carried out quickly and at a particularly low cost.
  • the electrical functional element can be inserted into the receiving area.
  • the assembly further simplifies when the electrically functional element is provided directly in the receiving area for the at least one carrier element. It must then be filled or potted only a single area of the housing with the curable material.
  • a lighting device comprises as essential components a plurality of light sources 1 arranged at a distance from each other, which are designed in the manner of high-power LEDs, a circuit carrier 2 carrying the light sources 1, a light disk 3, which is at least partially transparent and through which the light of FIG In the second housing part 5, an electric ballast for driving the light sources 1 is provided in particular, wherein the electric ballast in the second in the second housing part 5 is provided Housing part 5 is arranged encapsulated. To simplify the graphical representation is dispensed with the detailed representation of the electrical ballast. Shown is the potting 6, which completely encloses the electrical ballast.
  • the first housing part 4 and the second housing part 5 are provided at a distance from one another. Between the first housing part 4 and the second housing part 5, an air gap 7 is formed. In the region of the air gap 7, the housing is recessed. In this respect, air circulation can form in the area of the air gap 7, which serves, in particular, to dissipate waste heat from the light sources 1 or the electrical ballast.
  • a plurality of regularly spaced support elements 8 is provided.
  • the support elements 8 are web-shaped and extend transversely to a longitudinal direction 9 of the lighting device.
  • the support elements 8 are in particular on the formed on the first housing part 4 and protrude in the direction of the second housing part 5 from the first housing part 4.
  • 4 structural elements 10, 11, 25 are provided on the first housing part.
  • the structural elements 10, 11, 25 are integrally formed on the first housing part 4 like the carrier elements 8. In each case, a shell side of a wall completely surrounded passage opening is provided.
  • a first structural element 10 is used to fill the curable material in the second housing part 5.
  • a second structural element 11 is formed in the manner of a plug connection.
  • a third structural element 25 can optionally accommodate a screw, not shown, or another connecting means, via which the two housing parts 4, 5 are fixed before or during casting.
  • the first housing part 4 is formed flat with a thin, extensively extended wall 12. From the wall 12 protrude on the one hand, the support elements 8 and the structural elements 10, 11, 25 from. Opposite the circuit substrate 2 is applied flat against the wall 12 of the first housing part 4.
  • positioning 13 are provided in the region of the wall.
  • the positioning means 13 are designed in the manner of positioning pins.
  • a recess 14 is formed in the manner of a bore and has a matched to the dimension of the positioning pin 13 circular cross section, while the other recesses 14 are formed slot-like. In this respect, a thermal expansion of the circuit substrate 2 is ensured.
  • the second housing part 5 is formed trough-shaped, wherein on the housing part 5 in the assembled state the air gap 7 facing opening 15 is provided.
  • the trough-shaped second housing part 5 has in this respect two longitudinal sides 16, two longitudinal sides 16 interconnecting end faces 17 and a bottom 18.
  • two housing portions 19, 20 are formed on the second housing part 5, which are separated by a partition 21 from each other.
  • a first housing area 19 serves to accommodate the ballast.
  • a second housing region 20 is formed for receiving an electrical supply line or functional components of the lighting device.
  • the casting 6 is provided in the first housing region 19.
  • the first housing part 4 is attached to the carrier elements 8 ahead of the second housing part 5.
  • the support elements 8 apply here to the longitudinal sides 16 of the second housing part 5.
  • a connecting region 22 of the web-shaped carrier elements 8 protrudes into the first housing region 19 or into the second housing region 20 of the second housing part 5.
  • the first housing region 19 is then cast with a hardening material.
  • the first housing portion 19 serves as a receiving area for the carrier elements 8. After curing, in the present case, a cohesive connection of the housing parts 4 and 5 results.
  • the ballast is inserted into the first housing portion 19 before attaching the first housing part 4 to the second housing part 5.
  • the ballast and the carrier elements 8 are cast in the manufacture of the casting 6 at the same time.
  • the structural elements 10, 11, 25 likewise protrude into the first housing region 19 of the second housing part 5.
  • the structural elements 10, 11, 25 are in each case partially surrounded by the curing material in sections. After curing, this results in a tight connection between the structural elements 10, 11, 25 and the potting 6.
  • the structural element 11 is designed for the passage of a cable or in the manner of a plug connection. In this respect, it is possible to electrically connect the electric ballast and the light sources 1 and to seal or electrically insulate the connection during the production of the encapsulation 6.
  • a positioning means 23 in the form of a contact edge is formed on the support elements 8.
  • the abutment edge is provided on the edge of the support element 8 so that the abutment edge is placed on a the air gap 7 facing edge 24 of the opposite longitudinal sides 16.

Landscapes

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

Claims (12)

  1. Dispositif d'éclairage avec au moins une source lumineuse (1), avec au moins un support de circuits (2) pour la source lumineuse (1), avec un diffuseur (3) qui est en tout cas partiellement transparent, avec un ballast pour l'activation de la source lumineuse (1) et avec un boîtier en plusieurs parties, dans lequel est prévue une première partie de boîtier (4) distante en tout cas en partie d'une deuxième partie de boîtier (5) et dans lequel au moins un élément de support (8) est prévu entre la première partie de boîtier (4) et la deuxième partie de boîtier (5) pour l'appui et/ou le positionnement de la première partie de boîtier (4) sur la deuxième partie de boîtier (5), caractérisé en ce que l'au moins un élément de support (8) est formé sur l'une des deux parties de boîtier (4), en ce que l'au moins un élément de support (8) dépasse dans l'autre partie de boîtier (5) et en ce que l'autre partie de boîtier (5) recevant l'au moins un élément de support (8) est également enrobée, dans une zone de réception de l'au moins un élément de support (8), avec un matériau durcissant, en ce que le matériau durcissant entoure en tout cas en partie l'au moins un élément de support (8) et en ce que les deux parties de boîtier (4, 5) sont reliées par solidarité de matière et/ou engagement positif après le durcissement du matériau.
  2. Dispositif d'éclairage selon la revendication 1, caractérisé en ce que le ballast est prévu dans l'autre partie de boîtier (5), le ballast étant conçu, en vue des son étanchéité et/ou de son isolation électrique, comme un ballast enrobé et présentant un enrobage (6), lequel enrobage (6) du ballast est formé par le matériau durcissant qui fixe en même temps l'au moins un élément de support (8) sur l'autre partie de boîtier (5).
  3. Dispositif d'éclairage selon la revendication 1 ou 2, caractérisé en ce qu'au moins un élément de structure (10, 11, 25) est formé sur la partie de boîtier (4) et en ce que l'au moins un élément de structure (10, 11, 25) dépasse de la partie de boîtier (4) en direction de l'autre partie de boîtier (5), une ouverture traversante entièrement entourée par une paroi du côté de l'enveloppe étant formée sur l'élément de structure (10, 11, 25), et/ou en ce que l'élément de structure (10, 11, 25) est dimensionné de telle sorte que l'élément de structure (10, 11, 25) dans l'état enrobé soit entouré en tout cas en partie du matériau durcissant du côté de l'enveloppe.
  4. Dispositif d'éclairage selon l'une des revendications 1 à 3, caractérisé en ce que l'au moins un élément de structure (11) est conformé comme une traversée de câble et/ou comme une connexion enfichée.
  5. Dispositif d'éclairage selon l'une des revendications 1 à 4, caractérisé en ce que des moyens de positionnement (23) sont prévus sur l'au moins un élément de support (8) en vue de la pose dans une position précise de la partie de boîtier (4) sur l'autre partie de boîtier (5).
  6. Dispositif d'éclairage selon l'une des revendications 1 à 5, caractérisé en ce que l'autre partie de boîtier (5) présente une ouverture (15) dimensionnée de telle sorte que l'au moins un élément de support (8) dépasse dans l'autre partie de boîtier (5) par l'ouverture (15) et en ce que le matériau durcissant puisse être introduit dans l'autre partie de boîtier (5) par l'ouverture (15).
  7. Dispositif d'éclairage selon l'une des revendications 1 à 6, caractérisé en ce que plusieurs éléments de support (8) sont prévus, de préférence écartés les un des autres à intervalles réguliers.
  8. Dispositif d'éclairage selon l'une des revendications 1 à 7, caractérisé en ce que la première partie de boîtier (4) reçoit le support de circuits (2) avec l'au moins une source lumineuse (1) et en ce que la deuxième partie de boîtier (5) entoure le ballast.
  9. Procédé de montage pour un dispositif d'éclairage selon l'une des revendications 1 à 8, comprenant les étapes suivantes :
    - pose d'une première partie de boîtier (4) du dispositif d'éclairage sur une deuxième partie de boîtier (5) de telle façon que les parties de boîtier (4, 5) soient tournées l'une vers l'autre dans une position précise, que les parties de boîtier (4, 5) soient prévues à distance l'une de l'autre en tout cas par zones et qu'au moins un élément de support (8) est prévu sur l'une des deux parties de boîtier (4) soit inséré dans une zone de réception de l'autre partie de boîtier (5) ;
    - remplissage de la zone de réception de l'autre partie de boîtier (5) avec un matériau durcissable de telle manière que l'élément de support (8) prévu dans la zone de réception soit entouré au moins en partie par le matériau durcissable ;
    - durcissement du matériau durcissable pour relier les parties de boîtier (4, 5).
  10. Procédé de montage selon la revendication 9, caractérisé en ce qu'un élément fonctionnel électrique est introduit dans l'autre partie de boîtier (5) avant le remplissage de la zone de réception et en ce que l'élément fonctionnel électrique est enrobé avec le matériau durcissable.
  11. Procédé de montage selon la revendication 9 ou 10, caractérisé en ce que l'élément fonctionnel électrique est inséré dans la zone de réception.
  12. Procédé de montage selon l'une des revendications 9 à 11, caractérisé en ce que le matériau durcissable est amené pour remplir la zone de réception à travers un élément de structure (10).
EP14159693.2A 2014-03-14 2014-03-14 Dispositif d'éclairage et procédé de montage pour un dispositif d'éclairage Not-in-force EP2918904B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14159693.2A EP2918904B1 (fr) 2014-03-14 2014-03-14 Dispositif d'éclairage et procédé de montage pour un dispositif d'éclairage
ES14159693.2T ES2646602T3 (es) 2014-03-14 2014-03-14 Dispositivo de iluminación y procedimiento de montaje para un dispositivo de iluminación
PCT/EP2015/055376 WO2015136112A1 (fr) 2014-03-14 2015-03-14 Dispositif d'éclairage et procédé de montage d'un dispositif d'éclairage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14159693.2A EP2918904B1 (fr) 2014-03-14 2014-03-14 Dispositif d'éclairage et procédé de montage pour un dispositif d'éclairage

Publications (2)

Publication Number Publication Date
EP2918904A1 EP2918904A1 (fr) 2015-09-16
EP2918904B1 true EP2918904B1 (fr) 2017-08-09

Family

ID=50277033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14159693.2A Not-in-force EP2918904B1 (fr) 2014-03-14 2014-03-14 Dispositif d'éclairage et procédé de montage pour un dispositif d'éclairage

Country Status (3)

Country Link
EP (1) EP2918904B1 (fr)
ES (1) ES2646602T3 (fr)
WO (1) WO2015136112A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017203200A1 (de) * 2017-02-28 2018-08-30 Zumtobel Lighting Gmbh Leuchtenwanne zum Bilden eines Leuchtengehäuses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20212411U1 (de) * 2002-08-13 2002-11-21 FKB GmbH, 78727 Oberndorf Einbauleuchte
DE202005009268U1 (de) * 2005-06-14 2005-08-25 Sieberichs, Ralf Beleuchtungseinrichtung, insbesondere für Aquarien
DE102006001947A1 (de) * 2005-09-12 2007-03-29 Kompled Gmbh & Co. Kg Heckleuchtenanordnung
US7798670B2 (en) * 2007-09-28 2010-09-21 Ruud Lighting, Inc. Power supply mounting apparatus for lighting fixture
DE202011108542U1 (de) * 2010-08-25 2012-05-30 "Steinberg" Leuchtmittelwerke Gmbh Leuchte, insbesondere Wand- und/oder Deckenleuchte
US8632213B2 (en) * 2011-05-05 2014-01-21 Cree, Inc. Lighting fixture with flow-through cooling

Also Published As

Publication number Publication date
ES2646602T3 (es) 2017-12-14
EP2918904A1 (fr) 2015-09-16
WO2015136112A1 (fr) 2015-09-17

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