WO2023161426A1 - Unité d'éclairage modulaire - Google Patents

Unité d'éclairage modulaire Download PDF

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Publication number
WO2023161426A1
WO2023161426A1 PCT/EP2023/054696 EP2023054696W WO2023161426A1 WO 2023161426 A1 WO2023161426 A1 WO 2023161426A1 EP 2023054696 W EP2023054696 W EP 2023054696W WO 2023161426 A1 WO2023161426 A1 WO 2023161426A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
modular
engagement
section
counter
Prior art date
Application number
PCT/EP2023/054696
Other languages
German (de)
English (en)
Inventor
Fabian Reingruber
Original Assignee
LUNITE GmbH
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 LUNITE GmbH filed Critical LUNITE GmbH
Publication of WO2023161426A1 publication Critical patent/WO2023161426A1/fr

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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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/005—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with keying means, i.e. for enabling the assembling of component parts in distinctive positions, e.g. for preventing wrong mounting
    • 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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/043—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures mounted by means of a rigid support, e.g. bracket or arm
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14—Bayonet-type fastening
    • 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
    • F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
    • 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 modular lighting unit and a method for constructing the modular lighting unit according to the invention.
  • the invention also relates to a modular lighting system.
  • LEDs Light Emitting Diode
  • LEDs are generally functional for many years and can therefore be operated with reduced maintenance effort. Consequently, the use of LEDs has also proven itself for reasons of sustainability.
  • conventional lighting units which include incandescent lamps, for example.
  • Corresponding devices are often disposed of directly and replaced with new lighting units, since repairing the defective components is often not necessary is not profitable. This not only results in high costs, but also in large amounts of electronic scrap, since the lighting units are difficult to recycle due to their complex structure and the large number of permanently installed components and materials.
  • EP 3 132 187 B1 discloses a lamp which includes a lighting module.
  • the corresponding module has a ring-shaped printed circuit board on which a number of semiconductor light sources and electronic components are arranged.
  • the lighting module which is connected to a cover of the lamp in particular by snap-in and screw connections, can be replaced.
  • the entire luminaire does not have to be disposed of, only individual modular components.
  • Such a light structure may well be practicable if individual light modules have to be serviced or replaced.
  • a modular lighting unit which has at least two module units, comprising a first module unit which is ring-shaped and has a central recess, with at least one semiconductor light source and at least one electronic component on a surface of the first module unit is arranged, and a second modular unit, which is designed in two parts, so that the second modular unit has a first section and a second section, which are arranged relative to one another in an operational state such that they enclose the first modular unit, the first section and the second Each section has a central recess which, in the operative state, is concentric with the central recess of the first module unit, the first section comprising a first engagement section which, in the operative state, engages with a first counter-engagement section of the first module unit in order to engage the first section to be secured to the first modular unit, and the second section comprises a second engagement section which, in the operative state, is in engagement with the first mating engagement section such that the first section and the first module unit are
  • the first module unit can in particular be a ring-shaped circuit board or circuit board with a central recess.
  • the at least one semiconductor light source of the first module unit can in particular be an LED, it being quite common in practice for a plurality of semiconductor light sources or LEDs to be used.
  • the same applies to the at least one electronic component arranged on the first module unit which, among other things, can correspond to an LED driver or driver electronics, but is not limited to this function.
  • the arrangement of the LEDs together with the associated driver electronics on a common module unit since the compatibility of the two components remains guaranteed if the corresponding module unit is replaced.
  • Both monochrome and multichrome LEDs can be used in the modular lighting unit according to the invention, so that a desired color spectrum can be generated.
  • the semiconductor light sources and the electronic components can be arranged arbitrarily on the first module unit, but they are preferably arranged in such a way that the semiconductor light sources are continuously attached to an outer region in the circumferential direction of the first module unit, i.e. away from the central recess, and the electronic components are attached are attached to an inner area, i.e. close to the central recess.
  • This arrangement has the advantage that the light emitted by the semiconductor light sources is only slightly affected by the electronic components and the remaining components of the modular lighting unit.
  • the semiconductor light sources can be arranged equidistantly from one another in the circumferential direction of the ring-shaped first module unit and can extend over the entire circumference of the first module unit, so that homogeneous light emission is made possible.
  • the electronic components are preferably provided on the same side or on the same surface of the first module unit as the semiconductor light sources, as a result of which the lowest possible height of the first module unit is ensured.
  • the semiconductor light sources and the electronic components can also be formed on the opposite surfaces of the first module unit.
  • the first modular unit preferably completely encloses the central recess.
  • the first module unit can also have one or more slots, which extend from the central recess in the radial direction and the first Partially or completely break through the module unit.
  • the first module unit is also set up so that the waste heat generated by the semiconductor light sources and the electronic components can be efficiently dissipated to the second module unit and/or to the immediate vicinity of the modular lighting unit.
  • the two-part second modular unit is designed in particular to be able to receive the first modular unit in a form-fitting manner. Therefore, the first and second sections of the second module unit can also be ring-shaped. In the operational state, at least one of the two sections of the second module unit overlaps the surface of the first module unit on which the semiconductor light sources are arranged.
  • an operational state within the meaning of the present invention is a state in which the modular lighting unit according to the invention is functionally constructed and the lighting means of the modular lighting unit are able to illuminate a desired area.
  • the second module unit also serves to protect the first module unit. Since the second module unit encloses the first module unit in the operational state, the first module unit can be protected from mechanical and chemical stress. In addition, this makes it more difficult for dust and insects to penetrate into the first module unit.
  • the second module unit also functions as protection against accidental contact for the semiconductor light sources and the electronic components, as a result of which unintentional touching of these components can be avoided.
  • the second module unit is preferably made of an electrically insulating material.
  • the central recesses of the first and second sections of the second module can have the same diameter as the central recess of the first module. Alternatively, however, these can also be designed with a larger or smaller diameter.
  • the first section of the second module unit is preferably designed with a larger diameter than the first module unit, so that the first section completely covers a surface of the first module unit in the operational state and protrudes beyond an outer edge of the first module unit in the radial direction of the modular lighting unit.
  • the first section can in particular cover the surface of the first module unit, which has no semiconductor light sources.
  • the first section of the second modular unit comprises a first engagement section.
  • This first engagement section is designed in such a way that, in the ready-to-operate state, it engages or is connected to a complementary first counter-engagement section of the first module unit.
  • This engagement secures the first section of the second module unit flat on the first module unit, with their central recesses also being arranged concentrically to one another in the course of connecting the two components.
  • the engagement represents a first interface, which preferably includes a rotary mechanism.
  • the first interface can also have a different connection mechanism, for example a latching or plug-in mechanism.
  • the first interface is designed in such a way that the installer can manually engage the first engagement section and the first counter-engagement section, i.e. the use of a tool is not necessary.
  • the first interface can also be released manually, in particular without tools, so that the first interface can be operated in an extremely time-efficient manner.
  • the first interface is set up according to the invention so that in the state in which the first engagement portion is in engagement with the first counter-engagement portion, ie the first interface is formed, a portion of the first counter-engagement portion is formed such that a second engagement section of the second section of the second modular unit can be brought into engagement with this, in particular also without tools.
  • a second interface is thus defined by the engagement between the second engagement section and the first counter-engagement section.
  • a prerequisite for forming the second interface is that the first interface has been formed completely and correctly. This means that the engagement of the second engagement portion with the first counter-engagement portion is not possible if the first engagement portion is not fully engaged with the first counter-engagement portion. This mechanism prevents the installer from erroneously erecting the modular lighting unit incorrectly, since this is simply not possible due to the design of the first and second interfaces according to the invention.
  • the correct construction of the modular lighting unit according to the invention according to the first aspect presupposes that in the operational state the first engagement section is fully engaged with the first counter-engagement section and the second engagement section is engaged with a portion of the first counter-engagement section released by the first engagement section. If this is the case, both the first section and the second section of the second modular unit are secured to the first modular unit and thereby completely enclose it.
  • the first engagement portion can be designed, for example, in the form of a pin or a screw, in particular a flat screw, which / which is provided on a surface of the first section.
  • the first counter-engagement section can be designed in a correspondingly complementary manner, for example in the form of an elongate or slit-shaped recess.
  • the first counter-engagement section can have a diameter at a predetermined position which corresponds at least to the diameter of the first engagement section.
  • the first engagement section can be introduced into the first counter-engagement section at the predetermined position and then transferred into a latching position by turning or rotating the first section or the first module unit in the circumferential direction of the modular lighting unit.
  • the modular lighting unit By locking the first engagement section in the latching position of the first counter-engagement section, the modular lighting unit is placed in a rotationally fixed state, as a result of which the installer can see without a doubt that the first interface is correctly configured.
  • the first engagement section can be designed in such a way that it can only be displaced from its latching position by actuating a latching mechanism. Consequently, the first interface can be released by operating the latching mechanism.
  • this can also be designed, among other things, in the form of a bayonet lock.
  • the second engagement section can engage in the first counter-engagement section in the ready-to-operate state in order to secure the second section on the first modular unit. It can be provided in particular that the second engagement section engages in a partial area of the first counter-engagement section which does not overlap with the locking position of the first engagement section. This sub-area is designed in particular so that the second engagement portion cannot be inserted into it when the first engagement portion is located in the sub-area.
  • the second engagement section can preferably be designed as an angled and/or protruding wing which is used to transfer the second section of the second module unit into the operational state at least partially engageable in the portion of the first mating engagement portion and rotatable in the circumferential direction of the modular lighting unit to be displaced into a receptacle of the first modular unit.
  • the first modular unit can be secured to the second section and completely enclosed by the second modular unit.
  • the first engagement portion may comprise a plurality of first engagement elements disposed on a surface of the first portion of the second modular unit, and each first engagement element in the operative state engages a respective first complementary portion of the first mating engagement portion.
  • a first engagement element can in particular correspond to a flat screw, which can engage in an elongated recess of the first counter-engagement section and can be displaced into a latching position in the course of the engagement in order to form the first interface.
  • the elongate recess can define the first complementary region.
  • two or more, preferably four, first engagement elements can be provided, which can be arranged on a surface of the first section, distributed uniformly in the circumferential direction thereof.
  • first complementary areas of the first counter-engagement section are arranged on a surface of the first module unit in such a way that the first engagement elements can engage in them.
  • the described arrangement of the engagement elements and the complementary areas can in particular ensure that the first modular unit and the first section of the second modular unit are secured to one another in a rotationally fixed manner.
  • the second engagement section can comprise a plurality of second engagement elements, which are arranged on a surface of the second section of the second modular unit, and wherein each second engagement element in the operational state is in each case connected to a second complementary region of the first counter-engagement section intervention.
  • the second engagement elements can be in the form of angled and / or protruding wings and, starting from an at least partially formed engagement with a partial area of the first counter-engagement section, can be displaced into a respective receptacle of the first module unit in order to form the second interface.
  • the receptacle can define the second complementary region.
  • the second section of the second modular unit can be set up to be rotatable or rotatable in the circumferential direction of the modular lighting unit as soon as the second engagement elements are at least partially in engagement with a partial area of the first counter-engagement section.
  • the direction of rotation or displacement of a second engagement element can be formed in particular opposite to the direction of rotation or displacement of a first engagement element when constructing the modular lighting unit, starting from the partial area of the first counter-engagement section.
  • the second section of the second modular unit can comprise a third engagement section, which in the ready-to-operate state is in engagement with a second counter-engagement section of the first modular unit in order to connect the second section in a rotationally fixed manner to the first modular unit, the engagement being released using only one Tool is feasible.
  • the use of a tool to disengage is mandatory inasmuch as the second portion of the second module covers the live electronic components of the first module in the operative state. It can thus be ensured that live electronic components cannot be accidentally exposed.
  • the engagement of the third engagement section with the second counter-engagement section can also include a latching mechanism which secures the third engagement section in a latching position in a rotationally fixed manner.
  • the third engagement section can be displaced into its locking position by turning or rotating in the circumferential direction of the modular lighting unit.
  • another connection mechanism can also be provided instead of the latching mechanism, for example a plug-in or screw mechanism.
  • the first modular unit can be designed in three parts, so that the first modular unit comprises a circuit board, a first cover and a second cover, which can be connected to one another via a connecting mechanism, and the first and second covers comprising the circuit board at least partially overlap in the operational state.
  • the three-part design of the first module unit has the particular advantage that touch-sensitive elements that can be provided on the printed circuit board, for example the electronic components, can be protected by the first and the second cover. Thus, the installer can grasp the first modular unit when replacing or installing the modular lighting unit using the first and second covers.
  • the semiconductor light sources which are arranged on at least one surface of the printed circuit board, are not covered by the first and/or the second cover, so that the light intensity of the semiconductor light sources is not impaired by the covers.
  • the first and/or the second cover cover the semiconductor light sources these can optionally be made of an at least partially light-transparent or translucent material.
  • the connection mechanism via which the printed circuit board is in engagement with the two covers, can in particular be designed as at least one snap connection.
  • the printed circuit board, the first cover and the second cover can each have a central recess, which are arranged concentrically to one another in the ready-to-operate state.
  • the central recesses of the printed circuit board and the two covers can have an essentially identical diameter.
  • the central recesses of the printed circuit board and the two covers represent in particular the central recess of the first module unit in the operating wide state.
  • the first module unit can include a web which is arranged in the area of the central recess.
  • the web can in particular be designed in such a way that it enables the first module unit to be gripped and simultaneously turned or rotated in the circumferential direction of the modular lighting unit.
  • the web thus serves to conveniently form or release the first and second interfaces when assembling and disassembling the modular lighting unit.
  • the installer can grip the first modular unit with one hand, which relieves him particularly when working "overhead". This also ensures that the installer does not have to grasp the first module unit in the area of the touch-sensitive semiconductor light sources.
  • the web preferably extends over the entire diameter of the central cutout, it being possible in particular for it to be formed on the first cover of the first module unit.
  • the web can also be connected to an edge region of the central recess on only one side and can extend radially inward into the center of the central recess.
  • the web can also have an interruption, so that it extends radially inwards from two opposite edge regions into the center of the central recess.
  • the first module unit and/or the first section of the second module unit which in the operational state can correspond to a rear side of the modular lighting unit, can have at least one assembly section.
  • the first modular unit and/or the first section can be configured in particular to be mounted on a wall, a ceiling or any other desired location.
  • Two or more mounting sections are preferably provided for this, which can be arranged uniformly on a surface of the first section, so that the first module unit and/or the first section can be mounted particularly flat on a wall or a ceiling.
  • the assembly section can be provided on the first module unit, in particular in the area of the web, in order to be accessible via the central recesses even in the operational state and thus to enable the assembly of the modular lighting unit.
  • the rear side of the modular lighting unit can preferably be made at least partially from a metallic material or another material with high thermal conductivity in order to be able to dissipate the waste heat of the semiconductor light sources efficiently.
  • the second section of the second module unit can correspond to a front side of the modular lighting unit in the ready-to-operate state and can be at least partially light-transparent.
  • a region of the second section that overlaps the semiconductor light sources of the first module unit can be made of a light-transparent or translucent material, so that the second module unit is at least partially permeable to a desired light intensity generated by the semiconductor light sources.
  • the second section can also have light-directing or light-guiding properties in order to generate a particularly defined light emission.
  • the modular lighting unit can further comprise a third module unit, which is in engagement with the first module unit in the ready-to-operate state.
  • the third module unit can be set up to carry out a specific function which can be set to a particular area of application.
  • the third module unit can be in the form of a smoke detector, loudspeaker, WLAN router and/or WLAN repeater and, if necessary, have corresponding sensors and components in its interior.
  • the third module unit can also have emergency lighting or targeted basic lighting (“downlight”). Consequently, the third modular unit according to their desired Function provided and flexibly interchangeable.
  • the third module unit can only be designed as a mere covering of the central recesses or the modular lighting unit without any further function. In such a case or optionally, the third module unit can be formed at least partially from a light-transparent or translucent material.
  • the third module unit can comprise a fourth engagement section which, in the operational state, engages with a third counter-engagement section of the first module unit in order to secure the third module unit on the first module unit, the fourth engagement section only then is engageable with the third mating engagement portion when the third mating portion is operatively engaged with the second mating engagement portion.
  • the third module unit can preferably be designed to be complementary to the central recesses of the first and the second module unit, so that the third module unit can essentially be inserted into the central recesses.
  • the fourth engagement section can also be arranged on the third module unit in such a way that, when the third module unit is inserted into the central recesses, it can engage with the third counter-engagement section, which is provided correspondingly adjacent to the central recess of the first module unit.
  • a third interface is defined by the engagement of the fourth engagement section with the third counter-engagement section.
  • the third interface can in particular comprise a rotating mechanism, so that the third modular unit can be shifted into a locking or securing position by turning or rotating in the circumferential direction of the modular lighting unit.
  • the fourth engagement section is designed as at least one angled and/or protruding wing and the third counter-engagement section corresponds to at least one recess complementary to the wings.
  • the third module unit can include a mechanism which is designed to engage the fourth to prevent engagement portion with the third mating engagement portion when the third engagement portion of the second portion of the second modular unit is not correctly engaged with the second mating engagement portion of the first modular unit. Therefore, when inserting the third modular unit, an installer can immediately see whether the first and second modular units are properly engaged.
  • the fourth engagement section can be designed in such a way that its engagement with the third counter-engagement section can only be released using a tool.
  • This can be particularly advantageous if additional safety precautions are required to release the third module unit and thus to remove the modular lighting unit.
  • a recess can be provided on a front side of the third module unit, through which an elongate tool can be inserted in order to actuate an unlocking mechanism.
  • the modular lighting unit can have a plurality of sealing elements which are arranged in particular adjacent to the engagement sections and the counter-engagement sections.
  • An improved sealing class of the modular lighting unit can be achieved through the use of sealing elements, as a result of which its use in outdoor areas can be made possible, for example.
  • the sealing elements can therefore be arranged within the modular lighting device in such a way that the entry of water or moisture into the modular lighting unit is suppressed. This can be achieved in particular in that the sealing elements are provided in the areas of the engagement sections, the counter-engagement section, running along the central recesses and/or at the transition areas between the individual modules.
  • the object is achieved by a method for constructing the modular lighting unit according to the invention, the method involving the introduction of a first engagement portion of the first portion of the second modular unit in a first counter-engagement section of the first module unit, a displacement of the first module unit relative to the first section or a displacement of the first section relative to the first module unit in the circumferential direction of the modular lighting unit, so that the first engagement section is displaced into a latching position, which is displaced from the first counter-engagement section is defined, inserting a second engagement section of the second section of the second modular unit into the first counter-engagement section of the first module unit, displacing the first modular unit relative to the second section or displacing the second section relative to the first modular unit in the circumferential direction of the modular lighting unit, so that the second engagement section is arranged relative to the first engagement section in its latching position, and includes fixing a third engagement section of the second section to a second counter-engagement section of the first module unit, so that the first module unit can be displaced
  • the method described allows the modular lighting unit according to the invention to be switched to the operational state.
  • the method also shows that the assembly of the modular lighting unit can be carried out without using a tool. This allows the installer to set up the modular lighting unit in an extremely time-efficient and energy-saving manner.
  • the dismantling of the modular lighting unit is carried out in particular in the reverse order of assembly, in which case it may be necessary to use a tool only to release the engagement of the third engagement section with the second counter-engagement section.
  • the method according to the second aspect can additionally include inserting a fourth engaging portion of a third modular unit into a third mating engaging portion of the first modular unit and displacing the first modular unit relative to the third modular unit or displacing the third modular unit relative to the first modular unit in the circumferential direction of the modular Include lighting unit, so that the fourth engagement portion is moved to a backup position, which is defined by the third counter-engagement portion.
  • the engagement of the fourth engagement section with the third counter-engagement section can also be carried out without using a tool.
  • the third module unit can be designed to remove the modular lighting unit in such a way that the corresponding intervention can also be released without a tool or, alternatively, only using a tool.
  • a modular lighting system which comprises a modular lighting unit according to the invention, a first mounting device, which has a fourth counter-engagement section and at least one first mounting section, and a second mounting device, which has a fifth counter-engagement section and at least one second mounting section, wherein the third module unit is selectively engaged with the first mounting device via the fourth counter-engagement section or with the second mounting device via the fifth counter-engagement section.
  • the modular lighting system serves in particular to enable the third module unit of the modular lighting unit to be installed directly, ie without prior installation of the first and second module units, on a wall, a ceiling or at any other desired location.
  • This can be particularly desirable if a further third module unit, for example for use as an additional smoke detector, loudspeaker, WLAN router and/or WLAN repeater, is to be attached in the vicinity of an already installed, operational modular lighting unit.
  • the third module unit can also include emergency lighting or targeted basic lighting, it can also be used as an independent lighting unit. This can be advantageous, for example, in small rooms or corridors, in which even a small-sized lighting unit can provide sufficient light intensity.
  • the first and the second mounting device differ in particular in the arrangement of the respective mounting sections and optionally also in the design of the respective counter-engagement sections.
  • the first assembly section can be designed analogously to the assembly section of the first section of the second module unit.
  • at least one first mounting section can be arranged on a surface of the first mounting device, with the first mounting section preferably being provided in the immediate vicinity of a central cutout of the first mounting device and thus being covered by the third module unit when the modular lighting system is in the ready-to-operate state . Consequently, in a first assembly step of the modular lighting system, the first mounting device can be mounted on a wall or a ceiling before, in a second step, the third module unit is brought into engagement with the first mounting device. This arrangement ensures that manipulation of the first assembly section in the operational state, ie while the third module unit is in engagement with the first mounting device, is ruled out.
  • the second mounting device enables more flexible assembly and disassembly of the modular lighting system, since the at least one second mounting section can be provided on an outside of the second mounting device and the third module unit therefore does not necessarily have to be detached from the second mounting device in order to mount the second mounting device on a wall or mount or remove from a ceiling. Furthermore, the described design of the second assembly section also allows the modular lighting system to be installed in a wall or a ceiling, so that it does not stand out or only slightly stands out from the wall or the ceiling.
  • the engagement of the third modular unit with either the fourth counter-engagement portion of the first mounting device or the fifth counter-engagement portion of the second mounting device can, in particular, be analogous to the engagement of the fourth engagement portion already described third modular unit may be formed with the third mating engagement portion of the first modular unit.
  • the module units described are to be regarded in particular as self-contained, independent units. This enables a number of possible combinations of the modular units, which can preferably be based on the interfaces explained, with further modular units which have not yet been explained in connection with the present invention. The combination or intervention of the various modular units takes place in compliance with the prescribed or legal standards. Therefore, the present invention offers a high degree of design freedom with regard to the desired areas of application and the design of the modular lighting unit or the modular lighting system.
  • FIG. 1 shows an exploded view of a first module unit of a modular lighting unit according to the invention, comprising a printed circuit board and a first and a second cover;
  • FIG. 2a shows an exploded view of the modular lighting unit according to the invention, comprising the first module unit, a two-part second module unit and a third module unit;
  • FIG. 2b shows a perspective view of the assembled modular lighting unit according to the invention
  • Figure 3 is a perspective view of the first module engaged with a first portion of the second module
  • FIG. 4 shows a detailed view of the state shown in FIG. 3;
  • Figure 5 is a perspective view of the first module engaged with the first section of the second module and the second section of the second module;
  • FIG. 6 shows a detailed view of the state shown in FIG. 5;
  • FIG. 7 shows a detailed view of a first and a second interface
  • FIG. 8 shows a further detailed view of the first and the second interface
  • FIG. 9 shows a detailed view of a third engagement section and a second counter-engagement section
  • FIG. 10 shows a further detailed view of the third engagement section and the second counter-engagement section
  • FIG. 11 shows a perspective view of the underside of the third module unit and the top side of the second cover of the first module unit;
  • FIG. 12 shows a sectional view of an optional embodiment of the third module unit
  • FIG. 13 shows a perspective view of a first mounting device and a third module unit of a modular lighting system
  • FIG. 14 shows a perspective view of a second mounting device and the third module unit of the modular lighting system.
  • FIGS. 2a and 2b a modular lighting unit according to the invention, which is shown in particular in FIGS. 2a and 2b, is denoted generally by the reference numeral 10.
  • Figure 1 shows a three-part first module unit 12 a modular lighting unit 10 in an exploded view.
  • the first module unit 12 comprises a circuit board 14, a first cover 16 and a second cover 18, all of which are ring-shaped and each have a central recess 20a, 20b, 20c.
  • the central recesses 20a, 20b, 20c are formed with a substantially identical diameter, which can be in the range of 60-120 mm, preferably in the range of 80-100 mm.
  • a plurality of semiconductor light sources 22 are arranged on a surface of the printed circuit board 14 and are embodied in the form of LEDs, for example.
  • the LEDs 22 are provided here, in particular, radially on the outside of the printed circuit board 14 , as a result of which the light emitted by the LEDs 22 is only slightly impaired by the remaining components of the first module unit 12 .
  • the LEDs 22 can in particular be distributed uniformly and arranged equidistantly from one another in order to ensure that the light is emitted as homogeneously as possible.
  • Electronic components 24 are also provided on the surface of the printed circuit board 14, which can correspond, for example, to a connection terminal designed for power supply and to LED driver electronics.
  • the electronic components 24 are preferably arranged close to the central cutout 20a so that they can be easily reached via the central cutout 20a, for example in order to be connected to external lines (not shown).
  • the second cover 18 includes, by way of example, a raised area 26 which is set up to cover the electronic components 24 when the modular lighting unit 10 is in an operational state, that is to say in a state in which the modular units of the modular lighting unit 10 are fully engaged or .are connected and this is functional, to at least partially cover. In this way it is possible in particular to prevent the live electronic components 24 from being touched or manipulated from the outside in the ready-to-operate state.
  • the second cover 18 has a web 28 which here extends over the entire diameter of the central recess 20c. The web 28 is used for Gripping the first modular unit 12 and rotating it relative to a second modular unit 30, which will be described in detail with reference to Figures 2a and 2b.
  • the arrangement and the design of the web 28 are only shown here as an example.
  • the web 28 could also be arranged on the printed circuit board 14 or the first cover 16 .
  • the circuit board 14, the first cover 16 and the second cover 18 can be brought into engagement with one another via a snap or connection mechanism 32.
  • the first cover 16 can have a plurality of connecting elements 32a, for example four connecting elements 32a, which are used to engage the three modular components 14, 16, 18 of the first module unit 12 through correspondingly formed recesses 32b in the circuit board 14 in connecting element Mating interventions 32c out of the second cover and can be engaged or snapped there.
  • the circuit board 14 and the first and the second cover 16, 18 are connected to one another in particular in a rotationally fixed manner via the connection mechanism 32 and represent the first modular unit 12 in the operational state.
  • the connecting elements 32a of the connecting mechanism 32 can be actuated at the connecting element counter-engagements 32c in order to release the engagement.
  • the connecting mechanism 32 and in particular the connecting element counter-engagements 32c are preferably designed in such a way that an accidental release of the engagement is ruled out. This can be realized, for example, by providing four connecting elements 32a, as shown in FIG. 1, which must be actuated simultaneously to release the engagement.
  • FIG. 2a now shows a modular lighting unit 10 in an exploded view
  • FIG. 2b shows a fully assembled modular lighting unit 10 illustrates.
  • FIG. 2a shows in particular how the individual modular units are arranged in relation to one another.
  • the first modular unit 12 is arranged between a first section 34 and a second section 36 of the second modular unit 30, with Figure 2b in particular showing that the two sections 34, 36 completely enclose the first modular unit 12 and a much larger one at that Having diameter than the first module unit 12.
  • the two ring-shaped sections 34, 36 each include a central recess 38a, 38b, which are designed here with a larger diameter than the central recess 20 of the first module unit 12.
  • the central recesses 38a, 38b which are arranged concentrically to the central recess 20 of the first module unit 12 in the ready-to-operate state, serve in particular to guide lines to the first module unit 12 and enable the gripping of the web 28 when the first and second Module unit 12, 30 are engaged with each other in the operative state. It can also be seen from FIGS. 2a and 2b that the second section 36 can completely cover the LEDs 22 of the first module unit in the operational state. Therefore, the second section 36 is preferably at least partially made of a light-transparent, translucent and/or light-conducting material.
  • the first section 34 comprises four first engagement elements 40 and two mounting sections 42. Since the first section 34 corresponds to a rear side of the modular lighting unit 10 according to the exemplary embodiment shown, the modular lighting unit 10 can be attached flat to a wall or a wall by means of the two mounting sections 42 be mounted on the ceiling. Such assembly sections 42 can additionally or alternatively also be provided on the first module unit 12 . In particular, at least one mounting section 42 can be formed in the area of the web 28 or on the web 28 so that the modular lighting unit 10 can also be mounted on a wall or a ceiling by means of the first module unit 12 .
  • the four first engagement elements 40 which are designed here by way of example as flat-head screws M5x8 standardized in accordance with DIN 932, define a first engagement section 44.
  • the first engagement elements 40 of the first engagement section 44 form part of a first interface 46 (not shown), which is formed by the engagement of the first module unit 12 is defined with the first portion 34, and are preferably evenly distributed along the circumferential direction of the modular lighting unit 10 around the central recess 38a.
  • the design of the first interface 46 is described in more detail below with reference to FIGS.
  • the modular lighting unit 10 in FIGS. 2a and 2b includes a third module unit 48, which is also referred to as a functional module and can be designed in two parts, for example, in order to be able to replace the components in the interior of the third module unit 48.
  • the third module unit 48 functions, for example, as a smoke detector, loudspeaker, WLAN router and/or WLAN repeater and has corresponding sensors and electronic components (not shown) in an interior space for this purpose.
  • the third module 48 may include an electrical contact to be powered, for example, from the first module 12 or externally.
  • the third module unit 48 can also be battery-operated.
  • the third module unit 48 can be arranged centrally in the modular lighting unit 10.
  • the third module unit 48 is guided into the central recess 38b of the second section 36 of the second module unit 30 and brought into engagement with the first module unit 12 by turning or rotating. This intervention is described in detail with reference to FIG.
  • Figures 3 and 4 illustrate the engagement of the first engagement portion 44 of the first portion 34 of the second modular unit 30 with a first mating engagement portion 50 of the first modular unit 12.
  • FIG. 3 is a perspective view of the first and the second modular unit 12, 30, while FIG. 4 corresponds to a detailed view of the state shown in FIG.
  • the first module unit 12 here has elongated recesses 52 which follow the circumferential direction of the modular lighting unit 10 .
  • the elongate recesses 52 represent a region complementary to the first engagement elements 40.
  • a first end region 54 of a respective elongate recess 52 is adapted to receive a first engagement element 40 of the first section 34, being provided with a relative to the remaining Area of the elongated recess 52 is formed larger diameter.
  • first engagement element 40 is now displaced from the first end region 54 along a partial region 56 of the elongate recess 52 to a second end region 58, for example by turning or rotating the web 28 and thus the first modular unit 12 relative to the first section 34 the first engagement element 40 is transferred into a latching position.
  • the latching position is defined in particular by the second end region 58 and thus forms the first interface 46.
  • a latching mechanism 60 prevents the release or the Moving the engagement element back in the direction of the first end region 54.
  • the first interface 46 is only formed completely and correctly when the first engagement element 40 is secured in the latching position. The result of this is that the first module unit 12 is in rotationally fixed engagement with the first section 34 of the second module unit 30 . By reaching the latching position and latching into it, the installer recognizes visually and acoustically that the first interface 46 has been correctly configured.
  • the locking mechanism 60 can be actuated manually, for example by moving a correspondingly coupled operating element 62. This releases the first engagement element 40 from its locking position in the second end region 58 and can be rotated by turning or rotating the first modular unit 12 in Circumferential direction of the modular lighting unit 10 are shifted in the direction of the first end portion 54. At this point it should be mentioned that the turning or rotating the first modular unit 12 to release the first interface 46 with respect to the formation of the first interface 46 is preferably carried out in the opposite direction.
  • a second engagement portion 64 of the second portion 36 of the second modular unit 30 is now illustrated in Figures 5 and 6, with Figure 5 showing a perspective rear view of the first modular unit 12 in engagement with the first portion 34 and the unconnected second portion 36 and Figure 6 showing a corresponds to the detailed view.
  • the second section 36 includes a curved or angled section 66 which is particularly designed to at least partially accommodate the second cover 18 of the first module unit 12 in its interior, i.e. in the central recess 38b of the second section 36.
  • the second section 36 comprises a plurality of second engagement elements 70, which are designed here by way of example in the form of four protruding wings and define the second engagement section 64.
  • the second engagement elements 70 are preferably evenly distributed along the circumferential direction of the modular lighting unit 10 at the lower edge 68 .
  • the second engagement elements 70 are able to at least partially engage with the partial area 56 of the first counter-engagement section 50.
  • the first interface 46 has previously been formed correctly, ie the first engagement elements 40 of the first engagement section 44 are in their respective locking position in the second end region 58 .
  • the first engagement element 40 blocks the insertion of the second engagement section 64 into the partial area 56 of the first counter-engagement section 50. The installer thus recognizes this immediately Insertion of the second engagement elements 70 into the portion 56, whether the first interface 46 was previously formed correctly. Through the described The arrangement thus prevents the installer from accidentally assembling the modular lighting unit 10 incorrectly.
  • the second engagement elements 70 can be displaced by turning or rotating in the circumferential direction of the modular lighting unit 10 into a receptacle 72 of the first counter-engagement section 50, which represents a second complementary area.
  • This process is illustrated in the detailed views of Figures 7 and 8, in which only the second engagement elements 70 of the second section 36 are shown and the remaining part of the second section 36 has been cut away for reasons of illustration.
  • FIG. 8 in particular also shows that the direction of rotation or rotation for moving the second engagement element 70 into the receptacle 72 can be opposite to the direction of rotation or rotation for moving the first engagement element 40 into its latching position.
  • a second interface 74 is defined by the engagement of the second engagement element 70 with the receptacle 72 .
  • the second interface 74 When the second interface 74 is formed, the second section 36 is secured to the first modular unit 12 and completely encloses it together with the first section 34 . Furthermore, the second interface 74 formed also prevents the first interface 46 from becoming completely detached, since the second engagement elements 70 can at least partially overlap the first end region 54 of the first counter-engagement section 50 in the operational state.
  • FIGS. 9 and 10 also show a detailed view of a further latching mechanism, which serves to secure the second section 36 of the second modular unit 30 in a rotationally fixed manner on the first modular unit 12 .
  • a carriage element 76 is formed on a side of the angled section 66 facing the central recess 38b of the second section 36, which is also shown in FIG. 5 and defines a third engagement section.
  • the carriage element 76 here has a rounded recess 78 which is arranged in a central area of the carriage element 76 .
  • a rocker arrangement 80 is formed, which defines a second counter-engagement portion.
  • the rocker assembly 80 includes a locking catch 82 and a mating engagement member 84.
  • the third engagement section or the carriage element 76 also engages with the second counter-engagement section or the rocker arrangement 80 .
  • the carriage element 76 actuates the rocker arrangement 80 in a first step in such a way that the locking device 82 is shifted into an exposed position and the counter-engagement element 84 is shifted into a retracted position at the same time.
  • This first step or state is shown in particular in FIG. If the second section of the second modular unit is now locked in the end position by turning, the installer recognizes acoustically and visually from the now no longer exposed locking device 82 that the third engagement section 76 is fully engaged with the second counter-engagement section 80 . Since the further locking mechanism shown in Figures 9 and 10 is preferably designed in such a way that it is carried out synchronously or parallel to the engagement of the second interface 74, the installer can conclude from the state shown in Figure 9 that the second interface 74 is fully formed.
  • the carriage element 76 By turning or rotating the first modular unit 12 relative to the second section 36, for example by rotating the web 28 in the circumferential direction of the modular lighting unit 10, the carriage element 76 can be displaced in a second step in the direction of the counter-engagement element 84 of the rocker arrangement 80. As soon as the rounded recess 78 of the carriage element 76 is located over the counter-engagement element 84, this can, for example due to a restoring force of the rocker arrangement 80, emerge from its retracted position and engage with the rounded recess 78, with the locking device 82 being simultaneously and acoustically perceptible shifted from their exposed position to the starting position. This state is shown in particular in Figure 10 shown.
  • the second section 36 can thus be secured against rotation on the first module unit 12 due to the engagement of the third engagement section 76 with the second counter-engagement section 80 .
  • the counter-engagement member 84 To disengage the third engagement portion 76 from the second counter-engagement portion 80, the counter-engagement member 84 must be displaced from its latching position in the rounded recess 78 to the retracted position, which operation can be performed using a tool.
  • the third engagement section 76 can then be displaced counter to the original direction of rotation or rotation in order to achieve the state shown in FIG. Parallel to this process, the second interface 74 is also disengaged, as a result of which the second section 36 can be removed from the first module unit 12 .
  • FIG. 11 shows the second cover 18 of the first modular unit 12 and an underside of the third modular unit 48 in a perspective view.
  • a third counter-engagement section 86 which is designed in the form of a plurality of receptacles, can be provided on the second cover 18.
  • the receptacles of the third counter-engagement section 86 are arranged in particular on an inner side of the raised area 26 of the second cover 18 and face the central recess 20c.
  • Four recesses of the third counter-engagement section 86 are provided as an example in FIG. 11, the recesses having two partial regions 88, 90.
  • the first section 88 can be wider and deeper than the second section 90, so that a complementary fourth engagement section 92, which is provided on the underside of the third module unit 48, can be inserted into the first section 88, but not directly into the second Section 90.
  • the protruding wings 94 can now in the respective second portion 90 are relocated.
  • the second partial area is designed in such a way that the third modular unit 48 is secured by the engagement of the fourth engagement section 92 with the third counter-engagement section 86 on the second cover 18 of the first modular unit 12 and a third interface is thus formed.
  • the third modular unit 48 can be set up such that the upper side of the third modular unit 48 lies essentially in one plane with the upper side of the second section 36 of the second modular unit 30 in the operational state. This state is illustrated in particular in FIG. 2b.
  • a plurality of ejection elements 96 can therefore be arranged on the underside of the third modular unit 48, which are accommodated in the recesses 98 of the raised area 26 provided for this purpose when the modular lighting unit 10 is in the ready-to-operate state. If the protruding wings 94 of the fourth engagement area 92 are now displaced from the second partial area 90 into the first partial area 88 in order to release the third modular unit 48 by turning or rotating the third modular unit 48 in the circumferential direction of the modular lighting unit 10, the ejection elements 96 are released from their Recesses 98 relocated.
  • a restoring force of the ejection elements 96 pushes the third module unit 48 a few mm upwards and thus beyond the upper side of the second section 36 , as a result of which the installer can grasp the third module unit 48 and remove it from the modular lighting unit 10 .
  • further recesses 100 can be provided on the underside of the third modular unit 48, which are set up to prevent the engagement of the fourth engagement section 92 with the third counter-engagement section 86 when the locking device 82 is in the exposed position shown in FIG.
  • one of the recesses 100 with the exposed locking device 82 occurs by means of a of the transverse edges of the recess 100, thereby blocking the rotation of the third modular unit 48.
  • the installer thus immediately recognizes that the third engagement section 76 of the second section 36 is not fully engaged with the second counter-engagement section 80 of the first modular unit 12 .
  • the third module unit 48 can only be detached from the modular lighting unit 10 using a tool, then there is the option of providing an unlocking mechanism 102 on the third module unit 48 .
  • This unlocking mechanism 102 is shown in both FIG. 11 and FIG. In FIG. 11, a further rocker arrangement 104 is arranged on the underside of the third module unit 48 at the position of one of the ejection elements 96, which includes a protruding latching element 106. If the modular lighting unit 10, including the third module unit 48, is in the operational state, the locking element engages in one of the recesses 98 in the second cover 18 and thus blocks the turning or rotating of the third module unit 48 in order to remove the modular lighting unit 10.
  • Figure 12 now illustrates the unlocking mechanism 102 in the interior of the third module unit 48.
  • An elongate tool can be inserted through a hole 108 on the top of the third module unit 48, which actuates an unlocking element 110 of the unlocking mechanism 102 from above, whereby the corresponding with the unlocking element 110 coupled latching element 106 is displaced from its latching position and thus turning or rotating the third module unit 48 in the circumferential direction of the modular lighting unit 10 is made possible.
  • a screw can also be provided, which can engage in the first modular unit 12 starting from the upper side of the third modular unit 48 (not shown).
  • FIGS. 13 and 14 each show a perspective view of a modular lighting system 120 which has a third module unit 48 and a specific mounting device 122, 124 provided for this purpose.
  • the first mounting device 122 thus comprises at least one first mounting section 126, which can be configured analogously to the mounting section 42 of the first section 34 of the second modular unit 30, i.e. can be provided adjacent to a central recess 128a of the first mounting device 122.
  • the first mounting section 126 can also protrude into the central recess 128a.
  • the second mounting device 124 shown in FIG. 14 comprises at least one second mounting section 130 which is provided on an outside of the second mounting device 124 .
  • the second mounting device 124 can be let into a wall or a ceiling, for example, and mounted on it via the second mounting section 130 on the side.
  • the central recesses 128a, 128b of the two mounting devices 122, 124 serve in particular to supply power to the third module unit 48, which in this respect has an electric power supply shown as an example in FIG Contact 132 may include.
  • the engagement of the third modular unit 48 with the first or the second mounting device 122, 124 can be configured analogously to the fourth engagement section 92 described with reference to Figure 11 with the third counter-engagement section 86 of the first modular unit 12 and the ejection elements 96 and the unlocking mechanism 102 .
  • the first mounting device 122 may include a corresponding fourth mating engagement portion 134 and the second mounting device 124 may include a corresponding fifth mating engagement portion 136 .
  • the second assembly section 130 can also be coupled to the fifth counter-engagement section 136 via a connecting mechanism (not shown), so that actuation or displacement of the second assembly section 130 causes the fourth engagement section 92 to disengage from the fifth counter-engagement section 136 is made possible.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne une unité d'éclairage modulaire (10) qui comporte au moins deux unités de module (12, 30), comprenant : une première unité de module (12) qui est annulaire et a une découpe centrale (20), au moins une source de lumière à semi-conducteur (22) et au moins un composant électronique (24) étant situés sur une surface de la première unité de module (12) ; et une seconde unité de module (30) qui est formée en deux parties, de telle sorte que la seconde unité de module (30) a une première partie (34) et une seconde partie (36) qui sont disposées, dans un état opérationnel, l'une par rapport à l'autre d'une manière telle qu'elles entourent la première unité de module (12), la première partie (34) et la seconde partie (36) ayant chacune une découpe centrale (38a, 38b) qui est concentrique par rapport à la découpe centrale (20) de la première unité de module (12) dans l'état opérationnel, la première partie (34) ayant une première partie de mise en prise (44) qui vient en prise avec une première partie de contre-mise en prise (50) de la première unité de module (12) dans l'état opérationnel de façon à fixer la première partie (34) sur la première unité de module (12), et la seconde partie (36) ayant une seconde partie de mise en prise (64) qui vient en prise avec la première partie de contre-mise en prise (50) dans l'état opérationnel, de telle sorte que la première partie (34) et la première unité de module (12) ne peuvent pas être détachées l'une de l'autre. L'invention concerne également un procédé de conception de l'unité d'éclairage modulaire (10) et un système d'éclairage modulaire (120).
PCT/EP2023/054696 2022-02-24 2023-02-24 Unité d'éclairage modulaire WO2023161426A1 (fr)

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DE102022104482.3A DE102022104482A1 (de) 2022-02-24 2022-02-24 Modulare Leuchteinheit

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2693116A1 (fr) * 2012-07-30 2014-02-05 Toshiba Lighting & Technology Corporation Lampe, dispositif dýéclairage et luminaire
WO2019167341A1 (fr) * 2018-02-28 2019-09-06 アイリスオーヤマ株式会社 Unité de source de lumière et dispositif d'éclairage
EP3132187B1 (fr) 2014-03-28 2021-11-10 OSRAM GmbH Module d'éclairage comprenant une carte de circuits imprimés de forme annulaire

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11353180B2 (en) 2019-07-31 2022-06-07 Jiaxing Super Lighting Electric Appliance Co., Ltd LED lamp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2693116A1 (fr) * 2012-07-30 2014-02-05 Toshiba Lighting & Technology Corporation Lampe, dispositif dýéclairage et luminaire
EP3132187B1 (fr) 2014-03-28 2021-11-10 OSRAM GmbH Module d'éclairage comprenant une carte de circuits imprimés de forme annulaire
WO2019167341A1 (fr) * 2018-02-28 2019-09-06 アイリスオーヤマ株式会社 Unité de source de lumière et dispositif d'éclairage

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