EP3816503B1 - Composant de luminaire permettant de recouvrir une source lumineuse - Google Patents

Composant de luminaire permettant de recouvrir une source lumineuse Download PDF

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Publication number
EP3816503B1
EP3816503B1 EP20195300.7A EP20195300A EP3816503B1 EP 3816503 B1 EP3816503 B1 EP 3816503B1 EP 20195300 A EP20195300 A EP 20195300A EP 3816503 B1 EP3816503 B1 EP 3816503B1
Authority
EP
European Patent Office
Prior art keywords
latching
lamp component
counter bearing
latching hook
hook
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20195300.7A
Other languages
German (de)
English (en)
Other versions
EP3816503A1 (fr
Inventor
Philipp Henrici
Olaf Baumeister
Bastian Hunecke
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.)
BJB GmbH and Co KG
Original Assignee
BJB GmbH and Co KG
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Filing date
Publication date
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Publication of EP3816503A1 publication Critical patent/EP3816503A1/fr
Application granted granted Critical
Publication of EP3816503B1 publication Critical patent/EP3816503B1/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
    • F21V17/10—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
    • F21V17/16—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 by deformation of parts; Snap action mounting
    • F21V17/164—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 by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V17/16—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 by deformation of parts; Snap action mounting
    • 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
    • F21V17/16—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 by deformation of parts; Snap action mounting
    • F21V17/166—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 by deformation of parts; Snap action mounting the parts being subjected to torsion, e.g. spiral springs
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • 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
    • 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
    • F21V19/0035—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources the fastening means being capable of simultaneously attaching of an other part, e.g. a housing portion or an optical component
    • 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
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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 component in the form of a cover for a light source, such as an optic, for attachment to a counter bearing, in particular a retaining plate, retaining profile or heat sink, with a fastening element by means of which the cover can be fastened to the counter bearing with the features of the preamble of the claim 1.
  • a lighting component in the form of a cover for a light source, such as an optic, for attachment to a counter bearing, in particular a retaining plate, retaining profile or heat sink, with a fastening element by means of which the cover can be fastened to the counter bearing with the features of the preamble of the claim 1.
  • a generic cover for a light source in the form of a translucent plastic cover optically influencing the distribution of the light, which is also commonly referred to as an optic, is made, for example WO2014/184422A1 famous.
  • EP 3 527 888 A1 shows a translucent cover that latches onto a housing shell and holds a device mount in the form of a metal sheet.
  • a locking attachment between the lamp housing and cover also shows DE 20 2014 100 952 U1 .
  • CN 107 355 731 A shows the cover of a motor vehicle light, which is arranged on a supporting part by means of latching elements.
  • CN 108 800 068 A shows a fastening element with two latching projections, the holding surfaces of which are arranged in two different planes.
  • DE 10 2012 103 439 A1 shows a latching device by means of which two components can be connected to one another.
  • the latching device has a latching plate with a latching opening and a retaining link.
  • the second component carries a latching hook, which engages in the latching opening, while retaining arms--engaging in the retaining link--serve as abutment for the latching connection.
  • Plastics such as polycarbonate or polymethyl methacrylate are usually used for such covers. Both plastics can be produced in a transparent, translucent manner and are ideal for incorporating optical elements into the respective cover in the injection molding process. By means of these optical elements, it is possible to direct the distribution of the light emanating from a light source in the desired manner. This is particularly necessary with LED light sources.
  • Polycarbonate is a comparatively elastic plastic, while polymethyl methacrylate is rather brittle. Accordingly, polycarbonate tends to elastically deform under load, whereas polymethyl methacrylate tends to fracture.
  • the object of the invention is therefore to create alternative fastening means for generic lighting components, in particular covers for light sources, ie in particular optically effective covers, which enable simplified production and in particular accommodate the material properties of the two plastics described above.
  • a lighting component with the features of claim 1, in particular with its characterizing features, according to which the latching element has a second latching hook, the wedge tip of the second latching hook also pointing in the direction of the free end of the latching element, the wedge tip facing away and near the lighting component Rear surface also serves as a holding surface and forms the undercut of the second latching hook, at least one side surface of the second latching hook is also set out at an angle to the insertion direction but in the opposite direction in relation to the deployment angle of the first latching hook, so that the second latching hook is set out in the opposite direction to the first latching hook, the second latching hook is also pivotally mounted on the latching element in a resiliently resilient manner, but the pivot axis of the second latching hook is located close to the lighting component and away from the free end of the latching element. The pivot axis is therefore far from the wedge tip or close to the holding surface, in particular between the holding surface of the second latching hook and the lamp component.
  • one and the same cover can initially be adapted to holding contours that differ from one another of two counter bearings that differ at least in terms of the holding contours. In this way, one and the same cover can be used both for the first type of counter bearing and for the second type of counter bearing.
  • the invention uses latching elements in the form of latching hooks to fix optical covers for light sources, which are in particular circuit boards with one or more attached LEDs as the light-emitting source. This makes assembly much easier, since placing it on the counter bearing and attaching it to the counter bearing is one and the same work step.
  • latching elements in particular the latching hooks arranged on the latching arm, that they act on a suitable holding contour, for example an opening, for attachment to the counter bearing and, for this purpose, perform an evasive movement around the holding contour.
  • the latching element must have restoring elastic deformability in order to hook onto the holding contour. Therefore, as a rule, the locking arm deforms about an axis and performs a quasi-pivoting movement about this axis.
  • the locking element according to the invention is provided with a locking hook, the pivot axis of which is arranged remote from the lighting component.
  • the latching hook executes a pivoting movement from the lighting component along a circular line, the center point of which approximately coincides with the tip of the wedge.
  • This particular position of the pivot axis of the first latching hook allows the dimensions of the latching element to be adapted to the viscoplastic polycarbonate on the one hand and to the rather brittle polymethyl methacrylate on the other.
  • the position of the pivot axis of the first latching hook is one of the essential features in order to be able to set optically effective covers made of the above-mentioned plastics by means of snap-in hooks, ie in a simplified manner on a counter bearing.
  • a lighting component is particularly preferred which is characterized in that the latching arm has a closed, in particular ring-like recess remote from the lighting component with a web, the first ratchet hook is arranged within the recess and is connected to the web, in particular if the pivot axis of the first latching hook is in the area of the Connection of the first latching hook is on the web, in particular the web forms the pivot axis of the first latching hook.
  • the mounting of the latching hook in the above-described recess and its connection to the latching arm makes it possible to optimally distribute the tension loads on the plastic during the overtravel movement for engaging in the retaining contour of the counter bearing.
  • the latching arm is designed to be resiliently pivotable about a pivot axis close to the lighting component, the pivoting movement required for the overtravel can be distributed over two different material areas of the latching element, so that the tension loads are divided between two pivoting or bending areas.
  • This is another design feature to avoid permanent deformation in the rather viscoplastic polycarbonate due to exceeding the resilience and to prevent breakage due to excessive stress when using polymethyl methacrylate.
  • the lighting component forms centering contours close to the latching element, which interact with a centering contour of the counter bearing in order to arrange the lighting component in the correct position on the counter bearing.
  • the supporting structures make it possible to also fix the light source to be covered, ie in particular the circuit board provided with LEDs, to the counter bearing when the cover is placed and fixed, so that a separate attachment of the circuit board is not necessary.
  • the circuit board which is fixed on the counter-bearing before the cover is placed on the counter-bearing, is subjected to additional contact pressure on the counter-bearing by the support structures of the lighting component. In particular with larger blank dimensions, this ensures an even pressure across the entire blank surface on the counter bearing. Since the counter bearing is often a heat sink, this optimizes heat dissipation from the circuit board to the heat sink.
  • one of the two latching hooks has a function of anchoring the lamp component in the counter bearing by reaching behind of the counter bearing, whereas the other latching hook secures the anchoring function by being able to support the latching element against a release movement on the counter bearing.
  • the two latching hooks are not only used to fix one and the same optics to either one of two differently designed counter bearings.
  • the snap-in hook that is not used for fastening is used to stabilize or support the snap-in connection and thus improves the fixing of the lamp component in the snap-in connection to loads that tend to loosen it.
  • the holding surface of the first latching hook has a stepped, curved or inclined surface, and to be able to compensate for tolerances in the material thickness of the counter bearing.
  • pivot axis of the locking arm and the pivot axis of the second locking hook coincide in their position.
  • a system consisting of a counter bearing and a previously defined cover also contributes to solving the task of the invention, which is initially characterized in that the counter bearing has a passage contour for the locking element, the width of which is smaller than the width of the locking element defined by the undercuts of the first and second locking hook locking element.
  • the abutment forms a holding contour which cooperates with one of the latching hooks in order to fix the lamp component on the abutment and that the abutment forms a support contour which cooperates with the other latching hook in order to carry out a release movement of the to block the locking element.
  • the lighting component 11 shown is an optically effective cover made of a transparent plastic, such as polycarbonate or polymethyl methacrylate. It has a light exit wall 12, in which, with its pointing in the direction of the light source, not shown, underside the viewer figure 1 is facing.
  • the light exit wall 12 initially carries optically active elements 13 on its underside, which are formed from the lamp component material itself. This is, for example, scattering or converging lenses with a receiving cup 14, the LED 15 in the figures 2 and 4 shown LED board overlaid.
  • Retaining mandrels 17 are used to hold the LED circuit board 16 between itself and a counter bearing and to ensure that the LED circuit board 16 rests evenly on the counter bearing. In this way, good heat transfer between board 16 and counter bearing is ensured.
  • Centering pins 18 position board 16 relative to optics 13 to ensure proper light steering through optics 13 .
  • Side walls 19 of the optically effective cover 11 have latching elements provided overall with the reference numeral 20 with a latching arm 21 which carries a first latching hook 22 and a second latching hook 23 .
  • the side walls 19 form centering contours 24. These engage in a manner not described in detail in the holding contour of a counter bearing in order to position the cover 11 in the correct position relative to the counter bearing.
  • the locking elements 20 there are also support webs 25 which are seated on the counter bearing around the cover 11 in the area to stabilize the locking elements engaging in the retaining contour of the counter bearing.
  • the representation of figure 7 an end view of the locking element 20, shows its features in detail.
  • the latching element 20 has a latching arm 21 which originates from the lighting component in a plug-in direction X and has a free end (not designated in any more detail) and an end connected to the lighting component 11 .
  • the locking arm 21 carries a first locking hook 22 which is approximately wedge-shaped.
  • the first wedge tip 26 of the first locking hook points in the direction of the free end of the locking arm, whereas the first rear surface 27 of the first locking hook 22 facing away from the wedge tip points in the direction of the cover 11 .
  • the first back surface 27 serves as a holding surface for fastening the lamp component 11 to a counter bearing.
  • the latching hook also has a first side surface 28 which extends from the first wedge tip 26 to the first rear surface 27 and encloses an angle with the direction of insertion. This first side face is set out laterally in relation to the latching arm, so that the first latching hook 22 is set out in a first direction in relation to the latching arm 21 .
  • the first back surface 27 or the first holding surface 27 has a compensation structure in order to be able to compensate for different material thicknesses of a counter bearing.
  • the back surface is stepped and, starting from the locking arm, falls away in the outward direction of the first locking hook 22 .
  • this compensating structure can consist of a correspondingly sloping inclined surface or a curved surface.
  • the latching arm 21 then carries a second latching hook 23 with a second wedge tip 30, which points in the direction of the free end of the latching arm 21 or here in the exemplary embodiment the free end of the latching arm 21 forms. Facing away from the second wedge tip 30 , the second latching hook 23 forms a second back surface 31 which also faces the cover 11 .
  • a second side surface 32 of the wedge-shaped second latching hook 23 extends from the second wedge tip 30 to the second rear surface 31 and is inclined with respect to the insertion direction X or the longitudinal extent of the latching arm 21, i.e. it also encloses an angle with the insertion direction.
  • the angle enclosed between the second side surface 32 and the direction of insertion X is opposite in magnitude to the angle enclosed between the first side surface and direction of insertion X, the second latching hook 23 is thus exhibited in the opposite direction relative to the latching arm 21 .
  • the issue of the first latching hook 22 and the second latching hook 23 is opposite.
  • FIG 6 shows a sectional side view of the cover 11 showing the latching element 20.
  • the latching arm 21 has a recess 33 which is approximately ring-shaped, with the ring contour being approximately rectangular here.
  • the recess 33 is closed by an annular web 34 on its side remote from the lighting component.
  • the recess 33 is closed on the side facing away from the annular web 34 by the side wall 19 of the cover 11 .
  • the first latching hook 22 is arranged on the annular ridge 34 , so that the annular ridge 34 forms the wedge tip 26 of the first latching hook 22 , so to speak.
  • the annular web 34 is also part of the free end of the locking arm or part of the second wedge tip 30.
  • the ring web 34 has a material weakening zone in the area of the connection of the first latching hook 22 .
  • the first latching hook 22 is resiliently pivotable on the latching arm 21 or, in particular, on its ring web 34 . He can go through a corresponding force, for example, in the case of overtravel via a retaining contour of a counter bearing, can be pivoted back in the direction of the latching arm 21 .
  • the pivot axis is in the connection area of the annular web 34 and the first latching hook 22, ie in the area of the wedge tip 26 of the first latching hook 22 or is formed by the annular web 34 in a preferred embodiment.
  • the annular web 34 has the in figure 6 illustrated and previously described material weakening zone.
  • the second latching hook 23 which depending on the perspective either also has a recess 33 or is present in duplicate on both sides of the first latching hook 22, is also designed to be resiliently pivotable in order to enable an overtravel movement when engaging in the holding contour of a counter bearing.
  • its pivot axis is to be found approximately in the connection area of the locking arm 21 on the lamp component 11 or its side wall 19 or corresponds to a pivot axis of the locking arm 21, which completes the overtravel movement of the second locking hook 23 when it engages in the holding contour of a counter bearing.
  • FIG 4 shows the arrangement of the cover 11 according to the invention on a counter bearing 40 of the first type, also as the first in the following Counter bearing 40 called.
  • This is a strongly profiled component on which a circuit board 16 with an LED 15 is arranged.
  • the circuit board 16 with the LED 15 form the light source, which is overlaid by the cover 11 .
  • the receiving cups 14 of the optical elements 13 accommodate the LEDs 15 .
  • the first abutment 40 forms grip strips 41 which project approximately parallel to the board or parallel to the light exit wall and protrude into the groove space 42 of a profile groove 43 .
  • the groove wall opposite the grip strip 41 is designed as a support wall 44 .
  • the profile groove 43 with the grip strip 41, groove space 42 and support wall 44 forms the retaining contour 45 for fixing the cover 11 on the first counter bearing 40.
  • the first latching hook 22 After the first latching hook 23 has gripped behind the grip strip 41 , the first latching hook 22 , which has been swung out again, is supported on the support wall 44 . In this way, the second latching hook 23 is held in its fixing or fastening latched position, whereas the first latching hook 22 acts to secure the latched position and is supported on the support wall 44 .
  • FIG 2 shows the fixing of the cover 11 to a second counter bearing 50 of a different design.
  • This is an essentially flat component, for example a metal sheet, on which the circuit board 16 with the LEDs 15 arranged thereon rests and is overlaid by the lighting component 11 .
  • the counter bearing 50 has an opening 51 whose edges form the holding contour and interact here with the first latching hook 22 for fixing the component 11 on the counter bearing 50 .
  • the detailed representation according to detail circle A in figure 2 shows that the width of the opening corresponds approximately to the width of the first latching element 22 and the first latching element 22 must be pivoted in the direction of the latching arm 20 in order to pass through the opening 51 . Only in this way is the required overtravel movement of the first locking hook 21 when moving through the opening 51 possible.
  • the first latching hook 22 pivots about a pivot axis located in the region of the free end of the latching arm 21 and remote from the lighting component.
  • the latching arm 21 can be moved about a pivot axis close to the lighting component, so that the total overtravel movement for inserting the latching element 20 into the opening 51 can be divided between the latching arm 21 and the first latching hook 22. In this way, the necessary forces can be distributed over the latching element 20 in order to avoid overload moments in individual areas.
  • figure 3 also shows the advantage of the compensating contour of the first latching hook 22. Due to its stepped contour, it can engage behind different sheet metal thicknesses or counter bearing thicknesses, so that a secure position of the cover 11 on the second counter bearing 50 is ensured.
  • the unused one ie the second latching hook 23 in this case, acts to prevent loosening.
  • the latching element is supported via the first latching hook with its pivot axis remote from the luminaire component securely on the counter bearing 50 .
  • An imaginary release movement of the cover 11 away from the abutment 50 does not result in its pivoting in due to the pivot axis position of the first latching hook 22, but in a further pivoting out and thus wedging. In this way alone, the axial position of the first latching element remote from the lighting component is of considerable advantage, securing the attachment.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (15)

  1. Composant de luminaire sous forme de capot (11) pour une source lumineuse, comme par exemple une optique, à fixer sur une butée, en particulier une tôle de retenue, un profilé de retenue ou un corps de refroidissement,
    - avec un élément de fixation au moyen duquel le composant de luminaire (11) peut
    être fixé sur la butée,
    dans lequel
    - l'élément de fixation est un élément d'encliquetage (20),
    - l'élément d'encliquetage (20) forme un bras d'encliquetage (21)
    - qui le bras d'encliquetage (21) saille du composant de luminaire (11) dans une direction d'enfichage X et présente une extrémité libre située à l'avant dans la direction d'enfichage X et une extrémité reliée au composant de luminaire (11),
    - l'élément d'encliquetage (20) présente un premier crochet d'encliquetage (22) en forme de coin,
    - la pointe de coin (26) du premier crochet d'encliquetage (22) pointant en direction de l'extrémité libre de l'élément d'encliquetage (20),
    - la face arrière (27) proche du composant de luminaire opposée à la pointe de coin (26) servant de face de retenue et formant la contre-dépouille du premier crochet d'encliquetage (22),
    - au moins une face latérale (28) du premier crochet d'encliquetage (22) étant orientée selon un angle par rapport à la direction d'enfichage X,
    - le premier crochet d'encliquetage (22) est monté de façon pivotante à rappel élastique dans l'élément d'encliquetage (20),
    - l'axe de pivotement du premier crochet d'encliquetage (22) est situé loin du composant de luminaire et près de l'extrémité libre de l'élément d'encliquetage,
    et dans lequel
    - l'élément d'encliquetage (20) présente un deuxième crochet d'encliquetage (23),
    - la pointe de coin (30) du deuxième crochet d'encliquetage (23) pointant également en direction de l'extrémité libre de l'élément d'encliquetage (20),
    - la face arrière (31) proche du composant de luminaire opposée à la pointe de coin (30) servant également de face de retenue (31) et formant la contre-dépouille du deuxième crochet d'encliquetage (23),
    - au moins une face latérale (32) du deuxième crochet d'encliquetage (23) étant également orientée selon un angle par rapport à la direction d'enfichage X mais en sens contraire par rapport à l'angle d'orientation du premier crochet d'encliquetage (22), de sorte que le deuxième crochet d'encliquetage (23) est orienté en sens contraire par rapport au premier crochet d'encliquetage (22),
    - le deuxième crochet d'encliquetage (23) étant également monté de façon pivotante à rappel élastique dans l'élément d'encliquetage (20), caractérisé en ce que
    - l'axe de pivotement du deuxième crochet d'encliquetage (23) est cependant situé près du composant de luminaire et loin de l'extrémité libre de l'élément d'encliquetage (20),
  2. Composant de luminaire selon la revendication 1, caractérisé en ce que le bras d'encliquetage présente un réceptacle, en particulier annulaire, fermé avec une traverse du côté éloigné du composant de luminaire, et que le premier crochet d'encliquetage (22) est disposé à l'intérieur du réceptacle et relié à la traverse.
  3. Composant de luminaire selon la revendication 2, caractérisé en ce que l'axe de pivotement du premier crochet d'encliquetage (22) se trouve dans la zone de la liaison du premier crochet d'encliquetage (22) à la traverse (34), la traverse (34) formant en particulier l'axe de pivotement du premier crochet d'encliquetage (22).
  4. Composant de luminaire selon la revendication 1 ou 2, caractérisé en ce que le deuxième crochet d'encliquetage (23) est disposé sur le bras (21) de l'élément d'encliquetage (20) à l'extérieur du réceptacle (33).
  5. Composant de luminaire selon la revendication 4, caractérisé en ce que la traverse fait partie de l'extrémité libre du bras d'encliquetage.
  6. Composant de luminaire selon la revendication 4, caractérisé en ce que la traverse (34) forme la pointe de coin (26, 30) du deuxième et aussi en particulier du premier crochet d'encliquetage (22, 25).
  7. Composant de luminaire selon une des revendications précédentes, caractérisé en ce que le mouvement de pivotement du premier et du deuxième crochet d'encliquetage (22, 23) lors de l'ancrage du composant de luminaire (11) dans la butée (40, 50) est en sens contraire.
  8. Composant de luminaire selon une des revendications précédentes, caractérisé en ce que ce composant de luminaire (11) forme près de l'élément d'encliquetage des contours de centrage (24) qui coopèrent avec un contour de centrage de la butée (40, 50) pour disposer le composant de luminaire (11) correctement sur la butée.
  9. Composant de luminaire selon une des revendications précédentes, caractérisé en ce qu'un des deux crochets d'encliquetage (22, 23) présente une fonction d'ancrage du composant de luminaire (11) dans la butée (40, 50) en venant en prise derrière la butée (40, 50), tandis que l'autre crochet d'encliquetage (22, 23) sécurise une fonction d'ancrage en ce sens que ce crochet d'encliquetage (22, 23) est en mesure de protéger l'élément d'encliquetage (22, 20) contre un mouvement de détachement de la butée (40, 50).
  10. Composant de luminaire selon une des revendications 2 à 9, caractérisé en ce que le premier crochet d'encliquetage (22) est adapté aux exigences de fixation d'une butée (40) d'un premier type et le deuxième crochet d'encliquetage (23) aux exigences de fixation d'une butée (50) d'un deuxième type, la butée (40) du premier type se distinguant de la butée du deuxième type du point de vue structurel.
  11. Composant de luminaire selon la revendication 1, caractérisé en ce que la face de retenue (27) du premier crochet d'encliquetage (22) présente une surface étagée, courbe ou inclinée pour pouvoir compenser les tolérances de l'épaisseur de matériau de la butée (40, 50).
  12. Composant de luminaire selon la revendication 1, caractérisé en ce que le bras d'encliquetage (21) est configuré de façon pivotante à rappel élastique autour d'un axe de pivotement proche du composant de luminaire.
  13. Composant de luminaire selon les revendications 1 et 12, caractérisé en ce que l'axe de pivotement du bras d'encliquetage (21) et l'axe de pivotement du deuxième crochet d'encliquetage (23) coïncident dans leur position.
  14. Système constitué d'une butée (40, 50) et d'un composant de luminaire (11) selon une des revendications 1 à 13, caractérisé en ce que la butée (40, 50) présente un contour de passage pour l'élément d'encliquetage (20) dont la largeur est inférieure à la largeur de l'élément d'encliquetage (20) définie par les contre-dépouilles du premier et du deuxième crochet d'encliquetage (22, 23).
  15. Système selon la revendication 14, caractérisé en ce que la butée (40, 50) forme un contour de retenue qui coopère avec un des crochets d'encliquetage (22, 23) pour fixer le composant de luminaire (11) à la butée (40, 50) et que la butée (40, 50) forme un contour d'appui (44) qui coopère avec l'autre crochet d'encliquetage (22, 23) pour bloquer le mouvement de détachement de l'élément d'encliquetage (20) provoquant le détachement de la fixation du composant de luminaire (11) sur la butée (40, 50).
EP20195300.7A 2019-11-04 2020-09-09 Composant de luminaire permettant de recouvrir une source lumineuse Active EP3816503B1 (fr)

Applications Claiming Priority (1)

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DE102019129638.2A DE102019129638A1 (de) 2019-11-04 2019-11-04 Leuchtenbauteil zur Abdeckung einer Lichtquelle

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EP3816503B1 true EP3816503B1 (fr) 2022-03-23

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US (1) US11486564B2 (fr)
EP (1) EP3816503B1 (fr)
CN (1) CN112781013B (fr)
DE (1) DE102019129638A1 (fr)
PL (1) PL3816503T3 (fr)

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US20240080987A1 (en) * 2022-09-07 2024-03-07 Eaton Intelligent Power Limited Lever actuated locking mechanism

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Publication number Publication date
DE102019129638A1 (de) 2021-05-06
US11486564B2 (en) 2022-11-01
CN112781013B (zh) 2023-06-02
EP3816503A1 (fr) 2021-05-05
US20210131647A1 (en) 2021-05-06
PL3816503T3 (pl) 2022-10-31
CN112781013A (zh) 2021-05-11

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