EP3862629B1 - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
EP3862629B1
EP3862629B1 EP21154487.9A EP21154487A EP3862629B1 EP 3862629 B1 EP3862629 B1 EP 3862629B1 EP 21154487 A EP21154487 A EP 21154487A EP 3862629 B1 EP3862629 B1 EP 3862629B1
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EP
European Patent Office
Prior art keywords
lamp
lamp body
rotation
bodies
another
Prior art date
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Application number
EP21154487.9A
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German (de)
English (en)
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EP3862629A1 (fr
Inventor
Brian Moosbrugger
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.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
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Publication of EP3862629A1 publication Critical patent/EP3862629A1/fr
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    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 
    • F21V27/02—Cable inlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor

Definitions

  • the invention relates to a lamp, preferably a spot lamp, with lamp bodies that are rotatably connected to one another.
  • Luminaires of the type mentioned at the outset are known from the prior art, in which luminaire bodies are preferably connected to one another so as to be rotatable in series in order to set different directions of light emission.
  • a first axis of rotation can be provided for rotatably connecting two adjacent lamp bodies; For example, to provide an axis of rotation for rotating the two lamp bodies relative to one another.
  • a second or further axis of rotation can also be provided between one of the lamp bodies and another, which is preferably aligned transversely to the first axis of rotation, in order to give the lamp more degrees of freedom overall with regard to the direction of light emission.
  • a joint is formed for each axis of rotation, for which there may be a need for sealing to the outside. It is often desirable to prevent foreign bodies from entering the lamp. Such foreign bodies are, for example, dust or water, for example due to rain or water vapor or seeping water.
  • a lamp whose first lamp body and whose second lamp body are connected to one another about an axis of rotation is also off U.S. 5,450,303 A known.
  • a gap between the lamp bodies is opened in this lamp, which means that the tightness cannot be guaranteed.
  • the object of the present invention is therefore to provide a lamp, preferably a spot lamp, of the type mentioned at the outset, which can be easily and safely changed or adjusted in its direction of light emission.
  • the present invention therefore relates to a lamp, preferably a spotlight.
  • the lamp has a first lamp body with a first axis of rotation section and a second lamp body with a second axis of rotation section.
  • the first axis of rotation section and the second axis of rotation section are connected to one another so as to be rotatable about an axis of rotation.
  • the first pivot axis portion and the second pivot axis portion overlap axially with respect to the pivot axis in a pivot section.
  • the luminaire also has a sealing means, the sealing means being arranged in the rotating section radially between and in sealing contact with the first rotating axis section and the second rotating axis section.
  • the lamp has a holding means, with the holding means connecting the first lamp body and the second lamp body in a rotatable manner (thus a connection that further enables relative rotation of the two lamp bodies, which are rotatably connected via the rotational axis sections), so that the sealing system is independent of a rotational position of the lamp bodies (so connected) relative to one another is maintained, and so that the holding means for adjusting the rotational position of the lamp bodies relative to one another does not have to be released.
  • the sealing means is provided radially between the first and second lamp bodies in such a way that it is in sealing contact with both lamp bodies, a change in the rotational position of the lamp bodies about the axis of rotation does not affect the sealing effect. It may be preferred that the sealing means is provided concentrically with respect to the axis of rotation. For example, a compression level remains the Seal at every achievable rotary position above a threshold value necessary for the sealing effect. Preferably, the degree of compression of the seal does not change during rotation so that the seal is in substantially constant engagement with the pivot portions.
  • the maintenance of the sealing effect independently of the rotational position of the lamp body relative to one another around the axis of rotation also enables a holding function that can therefore be set as desired according to the sealing force and depending on the use of the sealant.
  • a corresponding holding or inhibiting function can thus be achieved by means of the sealing means and/or the holding means. Since the holding means also rotatably connects the lamp bodies to one another, the holding means do not have to be released relative to one another in order to adjust the rotational position of the lamp bodies.
  • the sealing function is thus permanently maintained; This is independent of a rotational position of the lamp body relative to one another and an adjustment operation by an operator.
  • the lamp can also have a third lamp body with a third axis of rotation section, the second lamp body also preferably having a fourth axis of rotation section and the third axis of rotation section and the fourth axis of rotation section preferably being connected to one another so as to be rotatable about a further axis of rotation.
  • the third rotation axis section and the fourth rotation axis section preferably overlap axially with respect to the rotation axis in a further rotation section.
  • the luminaire then preferably also has a further sealing means, with the further sealing means being arranged in the further rotary section radially between and in sealing contact with the third rotary axis section and the fourth rotary axis section.
  • the lamp preferably also has a further holding means, in which case the further holding means then rotatably connects the third lamp body and the second lamp body (thus a connection that further enables relative rotation of the two lamp bodies, which are rotatably connected via the rotary axis sections), so that the sealing system is maintained relative to each other regardless of a rotational position of the (so connected) lamp body.
  • the lamp can also have other lamp bodies.
  • the light fittings are then preferably arranged in a row one behind the other, in which case mutually adjacent light fittings are preferably rotatably connected to one another in the manner described above.
  • the axes of rotation are preferably not oriented parallel to one another, particularly preferably oriented transversely or orthogonally to one another.
  • the flexibility of the lamp can be increased by providing a lamp with three or more lamp bodies. This is particularly advantageous if two different, non-parallel axes of rotation are provided. This increases the degrees of freedom of the rotational positions that can be realized with the lamp, which means that the lamp can be used more flexibly with extended directions of light emission and improved illumination.
  • the first lamp body and the second lamp body, and if present preferably also the second lamp body and the third lamp body, are preferably at least non-positively and more preferably also detachably connected to one another in a form-fitting manner.
  • the connected lamp body can be held in the desired rotating or pivoting position on the one hand.
  • the sealing function on the one hand and the holding function on the other hand can be largely decoupled from one another. This is independent of the rotational position of the lamp body in relation to one another.
  • the releasable form-fitting connection enables a defined and secure positioning of the rotatably connected lamp body relative to one another. Due to their detachable design, the rotary function can be implemented as desired.
  • the holding means preferably connects the first lamp body and the second lamp body in such a way that the non-positive connection between them is maintained independently of a rotational position of the lamp bodies relative to one another. If present, the further holding means preferably connects the third lamp body and the second lamp body in such a way that the non-positive connection between them is maintained independently of a rotational position of the lamp bodies relative to one another.
  • the light fixture can be designed in a particularly simple manner overall.
  • the holding means or means can be realized in a particularly simple manner by connecting the lamp bodies in a non-positive manner.
  • the holding means provides a frictional force between the lamp bodies in order to generate a frictional moment that has a holding effect.
  • any rotational position can be set by means of a non-positive connection.
  • the holding means preferably also has corresponding locking means in order to provide the form-fitting connection between the first lamp body and the second lamp body, with the further holding means preferably also having corresponding further locking means, if present, in order to provide the form-fitting connection between the third lamp body and the second lamp body to provide.
  • the blocking means or the further blocking means is preferably designed to fix the connected lamp body in at least one or a defined number of rotational positions about the associated axis of rotation, the blocking means or the further blocking means having a pair of teeth.
  • the structure of the lamp is further simplified.
  • different functions connecting the lamp bodies to each other, Holding in a defined rotational position, locking with respect to the rotational position
  • the blocking means for example in the form of a pair of teeth, defined rotational positions can be set. This makes it possible to set rotary positions in a reproducible manner.
  • the blocking means or the further blocking means is preferably designed in such a way as to fix the connected lamp body in at least one or a defined number of rotational positions about the associated axis of rotation.
  • the blocking means or the further blocking means can have a pair of teeth.
  • the holding means or the further holding means preferably has prestressing means, preferably a spring element (e.g. spiral spring, disc spring and the like), in order to prestress the connected lamp body by means of spring force towards the non-positive and preferably also positive connection.
  • the (non-positive or positive) connection can be implemented and maintained in a particularly simple and reliable manner by means of the prestressing means described.
  • the use of a spring element to achieve the prestressing represents a particularly favorable means that can be integrated into the luminaire in a structurally simple manner.
  • the connected lamp bodies are preferably provided such that they can be moved axially against the spring force in order to release the non-positive connection and, if present, preferably also the positive connection, in order, for example, to move the lamp bodies into a different rotational position.
  • the non-positive and preferably also the positive connection can be selectively reduced or released in a simple manner in order to rotate the rotatably connected lamp bodies relative to one another in a particularly simple manner.
  • the first lamp body and the second lamp body and, if present, preferably also the third lamp body can preferably each delimit an inner cavity.
  • an internal cavity can be used to advantage to house elements therein. These elements can thus be accommodated safely and securely without impairing the external appearance of the luminaire. In this way, any shapes and, if necessary, a particularly high stability of the light can be realized with a low weight.
  • the cavities of adjacent lamp bodies can preferably be connected to one another.
  • the sealing means and, if present, the further sealing means can preferably seal the cavities connected in this way with respect to the respective rotary sections from the outside.
  • the lamp By connecting the inner cavities, the lamp can be used more flexibly.
  • the sealing means used are simultaneously used to seal off the cavities from the outside, so that the number of parts is reduced with increased usability. Elements accommodated in these cavities can thus be easily protected against environmental influences.
  • Electrics and/or electronics can preferably be provided in the cavities, particularly preferably at least one cable or cable harness for the electrical supply of the lamp, which particularly preferably runs through all cavities.
  • the flexibility of the lamp can thus be significantly increased since, in particular, electrics and/or electronics that are concealed and safe from environmental influences can be provided in a simple manner and across the lamp body.
  • a normal cable that is not protected against water or dirt can also be used to supply the light with electricity. This enables a cost-effective and optically better construction of the lamp.
  • the lamp preferably additionally has a rotation-limiting device, by means of which a rotation angle range of the axis of rotation or of the further axis of rotation can be limited.
  • the rotation-limiting device can be used in a safe and simple manner to prevent lamp bodies connected to one another from rotating excessively relative to one another, which in extreme cases could result in damage to the lamp.
  • a limitation of rotation can also be desirable in order to be able to set only a specific range of rotation angles.
  • Such a rotation limitation can, for example, limit rotation angle values of essentially +/-180° or also essentially +/-360°.
  • One of the lamp bodies preferably the first lamp body, can preferably have or form a lamp head for the light emission of the lamp. Additionally or alternatively, preferably one of the lamp bodies, preferably the second lamp body or if present, the third lamp body, have or form a lamp base for fastening the lamp.
  • the lamp head itself can be adjusted in a simple manner in order to set a desired direction of light emission. Since the lamp head itself is adjusted, a particularly precise setting can be achieved with little effort. Since one of the lamp bodies has a lamp base, the lamp can be attached in a particularly simple manner.
  • the lamp bodies are preferably arranged in a row one behind the other, with the lamp body at one end of the row preferably forming the lamp head and the lamp body provided at the opposite end of the row with respect to the lamp head forming the lamp base, and with the one or more provided between the lamp head and the lamp base Luminaire bodies preferably have or form central luminaire bodies.
  • the luminaire can thus be designed to be particularly flexible with regard to its degrees of freedom, which enables the light emission directions to be set flexibly. This is of great advantage in particular with spotlights.
  • the structure can also be provided in a particularly preferred manner in that the lamp bodies lying opposite form the lamp head for light emission on the one hand and the lamp base for fastening the lamp on the other.
  • the first lamp body can form the lamp head and the second lamp body can form the lamp base.
  • the first lamp body forms the lamp head
  • the second lamp body forms the central lamp body
  • the third lamp body forms the lamp base.
  • the lamp can also have a lamp, preferably an LED lamp, which is provided in the first lamp body, preferably in the lamp head, and is preferably encapsulated in this.
  • a lamp preferably an LED lamp, which is provided in the first lamp body, preferably in the lamp head, and is preferably encapsulated in this.
  • the lamp can be equipped directly with a light source for light emission. This is preferably provided to be interchangeable.
  • a particularly simple, cost-effective and efficient lighting means can be provided in the form of an LED.
  • the lighting means can preferably be provided in a cast form.
  • the lamp 100 has a first lamp body 10 which is arranged rotatably on a second lamp body 20 which in turn is arranged rotatably on a third lamp body 30 .
  • the lamp bodies 10, 20, 30 are consequently arranged in a row one behind the other and can be rotated or pivoted relative to one another.
  • the first lamp body 10 is a lamp head 10, so it is preferably used to emit light and preferably has a lamp L
  • the third lamp body 30 is a lamp base 30, so it is preferably used for attachment (e.g. flange) or stabilization (e.g.
  • the second lamp body 20 is a central lamp body 20, thus preferably serving to connect the lamp head 10 and the lamp base 30.
  • the lamp bodies 10, 20, 30 it is also conceivable for another or more of the lamp bodies 10, 20, 30 to serve as the lamp head are formed or have one. The same applies to the design of the lamp body 10, 20, 30 as a lamp base or having one.
  • the luminaire 100 can thus be constructed in a particularly flexible manner.
  • the lamp body at one end of the lamp bodies 10, 20, 30, which are preferably arranged one behind the other in a row, has the lamp head (here the first lamp body 10) and, with respect to the lamp head, at the opposite end of the row provided lamp body (here the third lamp body 30) forms the lamp base.
  • the lamp body(s) then possibly provided between the lamp head and the lamp base (here the lamp body 20) then preferably have or form the central lamp body.
  • the luminaire 100 of the illustrated exemplary embodiments is essentially constructed in a cylindrical manner.
  • the shape of the lamp 100 or its lamp body 10, 20, 30 can essentially be arbitrary.
  • the number of lamp bodies 10, 20, 30 is not limited in number.
  • the lamp can have two, three or even more lamp bodies 10 , 20 , 30 .
  • the lamp head 10 comprises a base body 14 which has or accommodates a light source L in a recess or depression 18 on the front here.
  • the illuminant L can preferably be at least partially encapsulated in the first lamp body 10 .
  • the lamp head 10 preferably also has a sleeve 13, which is cylindrical here, which completely laterally surrounds the recess 18 and the lamp L and extends further than the lamp in the light emission direction (in the figures an upward direction); consequently than further than the illuminant L protrudes in the light emission direction.
  • the sleeve 13 can on the one hand serve to protect the lamp L and, if necessary, to optimize the light output.
  • a seal 16 is preferably provided between the sleeve 13 and the base body 14 in order to seal off an inner cavity H1 delimited by the first lamp body 10 from the outside
  • the sleeve 13 can be used to carry other elements.
  • a cover 12 is placed on the end 17 opposite the illuminant L and serving as a light exit opening.
  • This preferably carries—e.g. in the light exit opening 17—a light-permeable (e.g. transparent) protective cover 120, which can also have optical functions, for example by being designed as a lens and/or having scattering particles and/or other optical functions.
  • the sleeve 13 and the cover 12 are preferably connected to one another in a detachable or non-detachable manner, for example screwed or glued.
  • the connection is preferably tight, for example by inserting a seal between them or by sealing the connecting material (e.g. adhesive) between them.
  • the light source L of the lamp 100 can—generally and as also shown in the exemplary embodiments—be an LED light source. This can, for example, have an LED module with an LED circuit board P and an LED M arranged thereon.
  • the light source L can preferably have optical elements (light influencing elements), such as a lens in the form of a lens attachment placed on the circuit board P here, for example.
  • the illuminant L can be cast at least partially in the first lamp body or lamp head 10 .
  • the cavity H1 can be filled at least partially in order to encapsulate the illuminant L from the outside, for example to prevent foreign bodies such as water or dust from entering the illuminant L. In this way, the lamp 100 can be made safe for outdoor use.
  • the lamp center body 20 is formed, for example, from a base body 23 and a base part (here a base plate) 24, the latter being fixed to the base body 23 from below, for example by means of screws 26 .
  • the two-part configuration serves as a preferred option for rotatably fastening the lamp base 30 to the central lamp body 20, as will be described below.
  • the second lamp body 20 can also define an internal cavity H2.
  • the lamp base 30 can, for example, be designed as a stand or, as shown, as a fastening element.
  • the lamp base 30 can, as shown, preferably have a threaded section 34 with an external thread that projects downwards here.
  • the fastening element can also be designed as a fastening flange.
  • the third lamp body 30 can also delimit an internal cavity H3.
  • the cavities H1, H2, H3 of adjacent lamp bodies 10, 20, 30 can preferably be connected to one another; therefore form a coherent cavity. Electrics and/or electronics can be provided in the cavities H1, H2, H3.
  • at least one cable or cable harness K can be provided for the electrical supply of the lamp 100 .
  • the cable K preferably runs through the cavities H1, H2, H3, which are continuously connected to one another.
  • the first lamp body 10 and the second lamp body 20 are rotatably connected to one another.
  • the first lamp body 10 has at least one first axis of rotation section 11 (the present two first axis of rotation sections 11).
  • the second lamp body section 20 has at least one second axis of rotation section 21 (here two second axis of rotation sections 11).
  • the first axis of rotation section 11 and the second axis of rotation section 21 are rotatably connected to one another about an axis of rotation A, so that the rotatable (pivotable here) connection between the first and second lamp bodies 10, 20 results.
  • the first axis of rotation section 11 and the second axis of rotation section 21 overlap axially with respect to the axis of rotation A in a section of rotation S.
  • this is achieved in that the rotary axis sections 11, 21 each have a cylindrical shape or surface and the cylinder sections formed in this way are pushed into one another axially.
  • the second lamp body 20 and the third lamp body 30 can also be rotatably connected to one another.
  • the third lamp body 30 preferably also has at least one third axis of rotation section 31 .
  • the second lamp body 20 also has at least one fourth axis of rotation section 22 .
  • the third axis of rotation section 31 and the fourth axis of rotation section 22 are connected to one another so as to be rotatable about a further axis of rotation B, so that the rotatable (here rotatable) connection between the second and third lamp bodies 20, 30 results.
  • the third axis of rotation section 31 and the fourth axis of rotation section 22 also overlap axially with respect to the further axis of rotation B in a further rotary section T.
  • this is achieved in that the rotary axis sections 31, 22 each have a cylindrical surface and the cylinder sections formed in this way are pushed into one another axially.
  • the axes of rotation A, B are preferably not arranged coaxially, more preferably not oriented in the same way.
  • the axes of rotation A, B are preferably oriented transversely or orthogonally to one another in order to provide the lamp 100 with many degrees of freedom overall in terms of its mobility (rotatability; rotation; pivotability).
  • rotation rotation
  • pivotability essentially any arrangement or orientation of the axes of rotation A, B relative to one another is conceivable.
  • the lamp 100 also has a sealing means 50 which is arranged in the rotating section S radially between and in sealing contact with the first rotating axis section 11 and the second rotating axis section 21 . If the illustrated third and fourth rotary sections 31, 22 are also present, the lamp 100 can also have an additional sealing means 60 have, which is arranged in the further rotary section T radially between and in sealing contact with the third axis of rotation section 31 and the fourth axis of rotation section 22 .
  • the sealing means 50, 60 themselves can already provide sufficient friction (positive connection) to stabilize a set relative orientation of the lamp bodies 10, 20, 30 to one another. This in particular because the seal 50, 60 exerts a permanently acting elastic force on the respective lamp bodies 10, 20, 30, between which the sealing means 50, 60 is arranged.
  • the sealing means 50, 60 particularly preferably serves to seal off the respective rotary section S, T from the outside. In this way, the cavities H1, H2, H3 with respect to the respective rotary sections S, T can be sealed off from the outside in a particularly preferred manner.
  • the lamp 100 also has a holding means 70 which rotatably connects the first lamp body 10 and the second lamp body 20 to one another (thus a connection that further enables relative rotation of the two lamp bodies which are rotatably connected via the rotational axis sections) such that the sealing system is maintained regardless of a rotational position of the lamp body 10, 20 to each other.
  • the first and second lamp bodies 10, 20 are thus preferably connected/held to one another axially by means of the holding means 70, while they continue to be rotatable about the axis of rotation A relative to one another.
  • the lamp 100 can also have a further holding means 80, which connects the third lamp body 30 and the second lamp body 20 to one another in a rotatable manner (thus a connection that further enables relative rotation of the two lamp bodies, which are rotatably connected via the rotational axis sections), so that the sealing system is maintained independently of a rotational position of the lamp body 20, 30 relative to one another.
  • the third and second lamp bodies 30, 20 are thus preferably connected/held to one another axially by means of the further holding means 80, while they continue to be rotatable about the further axis of rotation B relative to one another.
  • the first lamp body 10 and the second lamp body 20, and if present preferably also the second lamp body 20 and the third lamp body 30, are preferably at least non-positively and more preferably also releasably positively connected to each other. In this way, the lamp bodies 10, 20, 30 can be stabilized in a set rotational position relative to one another.
  • the holding means 70 can connect the first lamp body 10 and the second lamp body 20 in such a way as to maintain the non-positive connection between them independently of a rotational position of the lamp bodies 10, 20 relative to one another.
  • a non-positive connection region V which according to the exemplary embodiments illustrated is formed by an end face of one of the cylinder sections forming the rotational axis sections 11, 21 of the respective lamp body 10, 20 and a section of the other lamp body 20, 10 in each case opposite this end face.
  • the first lamp body (lamp head) 10 and the second lamp body (lamp center body) 20 preferably touch one another in sliding contact in the axial direction in the connection region V.
  • the further holding means 80 can connect the third lamp body 30 and the second lamp body 20 in such a way that the non-positive connection between them is maintained independently of a rotational position of the lamp bodies 20, 30 relative to one another.
  • a connection region W which according to the exemplary embodiments shown is formed by an end face of one of the (cylindrical) sections that form the rotational axis sections 31, 22 of the respective lamp body 30, 20 and a section of the other lamp body 20, 30 in each case opposite this end face of the bottom part 24, is formed.
  • the third lamp body (lamp head) 30 and the second lamp body (lamp center body) 20 touch in the axial direction in the connection area W.
  • the holding means 70 is formed by a screw 71 which runs coaxially with respect to the rotational axis sections 11, 21.
  • the screw 71 is screwed with a threaded section 72 into one of the lamp bodies connected by the holding means 70 (here the second lamp body 20) and is preferably glued therein, so that the screw 71 cannot unintentionally loosen.
  • a screw head 73 which is preferably opposite the threaded section 72, is then supported axially on the respective other lamp body (here the first lamp body 10) and thus exerts a clamping force on the two lamp bodies 10, 20, so that the force-locked connection thus created continues to be basically a relative rotation of the two lamp body 10, 20 allows.
  • a spring element F1 for example a plate spring, which acts axially on the connection region V when the lamp bodies 10, 20 are connected by means of the holding means 70.
  • An axial force can thus be exerted on the connection of the lamp bodies 10, 20 via the spring element F1, resulting in a frictional moment corresponding to the level of the spring force of the spring element F1 on the contacting surfaces of the connection region V.
  • This frictional moment counteracts a rotational movement of the lamp bodies 10, 20 connected in this way and is thus used for a particularly effective stabilization of the relative rotational position of the lamp bodies 10, 20 connected in this way.
  • the lamp center body (here the second lamp body) 20 can be designed in two parts and have the base body 23 and the base part 24 .
  • the base body 23 has a hollow space H2 (recess, depression) formed or delimited by the fourth axis of rotation section 22, into which—here via an opening 27—the third lamp body (here the lamp base) 30 is correspondingly inserted with its third axis of rotation section 31 .
  • the sealing means 60 is provided between these two in the further rotary section T formed in this way.
  • the bottom part 24 is placed on the bottom after the insertion of the rotary axis section and fixed by means of screws 26.
  • the base part 24 preferably has the retaining means 80, which are integrally formed here, which partially protrude from the outside in front of the opening 27 as a ring-like projection in order to limit the axial displacement or falling out of the third lamp body 30, while at the same time preventing rotation about the further axis of rotation B is maintained.
  • a spring element F2A, F2B can also be provided between the second lamp body 20 and the third lamp body 30, which is arranged here in the cavity H2 and in the axial direction with respect to the further axis of rotation B at opposite ends on the one hand on the second lamp body 20 (in 3 and 4 above) and on the other hand on the third lamp body 30 (in 3 and 4 below) to bias the two lamp bodies 20, 30 so connected to abut in the connection area W out.
  • the spring element F2A, F2B can be a spiral spring (as in 3 ), a disc spring (as in 4 ) or any other spring, spring-like or elastic element.
  • the holding means 70 or the further holding means 80 can also have corresponding (further) blocking means Z in order to secure the above-described (detachable) positive connection between the correspondingly connected lamp bodies 10, 20; 20, 30 to provide.
  • This is in accordance with the illustrated embodiment figure 3 realized, for example, in the connection between the second and third lamp body 20, 30 with corresponding further blocking means Z, but can also or alternatively be realized in the connection between the first and second lamp body 10, 20.
  • the corresponding blocking means Z can then preferably be designed in such a way as to fix the connected lamp bodies (here the second and third lamp bodies 20, 30) in at least one or a defined number of rotational positions about the associated axis of rotation (here the further axis of rotation B).
  • the blocking means Z can have a form-fitting pair of teeth, which forms the further connection region W.
  • the holding means 70 or the further holding means 80 can have prestressing means, preferably the spring elements F1, F2A, F2B described above, in order to hold the connected lamp bodies 10, 20; 20, 30 by means of spring force towards the non-positive and preferably positive connection.
  • the connected lamp body 10, 20; 20 30 can preferably be provided so as to be axially movable counter to the spring force in order to selectively release the non-positive connection and, if present, preferably also the positive connection, in order to move the connected lamp bodies 10, 20; 20, 30 to move to another rotational position.
  • a corresponding force can be exerted on the lamp head 10, which generates a torque about the axis of rotation A. If this torque exceeds the frictional torque generated by the seal 50 or (furthermore) the retaining means 70 or its spring element F1, a relative movement takes place about the axis of rotation A, with the first lamp body (here the lamp head) 10 then being displaced relative to the second in the exemplary embodiments Luminaire body (here the central luminaire body) 20 is rotated or pivoted about the screw 71 .
  • the seals 50 slide along the rotary axis sections 11, 21 without their degree of compression changing significantly.
  • the exertion of force on the lamp head 10 is terminated.
  • the frictional torque generated by the seal 50 or the spring element F1 then has a holding effect, as a result of which the desired rotary position is maintained.
  • the rotational position of the second lamp body (here the lamp center body) 20 relative to the third lamp body (here the lamp base) 30 about the further axis of rotation B can be changed as follows. First, the form fit of the pair of teeth Z is released. For this purpose, the central lamp body 20 is displaced axially relative to the further axis of rotation B, against the spring force of the spring element F2A, relative to the lamp base 30, until the toothing is released. Then the lamp center body 20 can be rotated relative to the lamp base 30 about the further axis of rotation B (rotated here). Due to its restoring force, the spring element F2A causes a snap-in, ie an engagement of the pair of teeth Z.
  • the rotary positions that can be achieved are limited here by the possible snap-in positions of the pair of teeth Z, as a result of which reproducible rotary positions are made possible. It is particularly advantageous to use a spiral spring as the spring element F2A in conjunction with a blocking means Z (e.g. a pair of teeth or another element that creates a form fit), since a spiral spring allows particularly large spring deflections.
  • a spiral spring allows particularly large spring deflections.
  • the rotational position of the second lamp body 20 is held relative to the third lamp body 30 only by means of friction, and thus without locking means (such as the pair of teeth Z).
  • the spring element F2B generates a force in the longitudinal direction of the two lamp bodies 20, 30, ie a force in the axial direction.
  • this spring element F2B can be designed as a cup spring, which has a particularly progressive increase in spring force over the comparatively short spring travel. The adjustment of the rotational position of the two connected lamp body 20, 30 to each other is thus without form fit and therefore without locking.
  • Changing the rotational position is similar to the first embodiment by axially displacing the lamp bodies 20, 30 to one another, in that the frictional connection between the two lamp bodies 20, 30 is eliminated and these can be rotated relative to one another in this position.
  • the spring element F2B exerts such a high spring force that holds the lamp bodies 20, 30 in frictional engagement that unintentional rotation is reliably counteracted.
  • Changing the rotational position therefore requires a relative movement of the lamp body 20, 30 relative to one another that is smaller in terms of stroke in comparison with the first exemplary embodiment.
  • the lamp 100 can thus be made more compact overall, in particular with Use of a disc spring.
  • the structure can be simplified.
  • a plate spring can also be combined with a blocking means (such as the pair of teeth) Z if, for example, particularly high holding forces are to be achieved in a rest position.
  • the lamp 100 can also have a rotation-limiting device G, by means of which a rotation angle range of the axis of rotation A or of the further axis of rotation B can be limited.
  • the rotation-limiting device G is implemented between the third lamp body (here the lamp base) 30 and the second lamp body (here the lamp center body) 20 in such a way that a lug 32 extends laterally, i.e.
  • the first and second lamp bodies 10, 20 can also be equipped with a rotation limiter about their axis of rotation A. According to the exemplary embodiments, this is produced in such a way that the lamp bodies 10, 20 come into contact with one another even with a corresponding angle of rotation.
  • the rotational positions or relative angular positions of the respective connected lamp body 10, 20; 20, 30 to one another can thus be adjusted in a simple manner without tools, without the tightness of the lamp 100 being impaired by a change in the rotary position.
  • This is due in particular to the fact that the sealing means 50, 60 are acted upon radially and are therefore independent of a connection between the lamp bodies 10, 20, 30 are.
  • the fixing of the lamp bodies 10, 20, 30 relative to one another about the respective axis of rotation A, B can be largely decoupled from the seal.
  • the lamp bodies 10, 20, 30 are preferred to produce from solid aluminum material. This can be powder coated to adjust the optical properties, for example. However, it is also conceivable to manufacture the lamp bodies 10, 20, 30 from steel or other suitable materials. Especially in the context of individual production, it is also conceivable to use additive manufacturing processes.
  • any number of light sources L can also be provided. These can include LEDs or also generate light emission by means of light guides or the like.
  • the shape of the lamp bodies 10, 20, 30 can essentially be determined arbitrarily and is not limited to an essentially cylindrical shape.
  • the spatial position of the axes of rotation A, B and the position of the axes of rotation A, B relative to each other is essentially arbitrary and can depend on the intended lighting purpose.
  • the central lamp body 20 and the lamp base 30 could also be based on a 3 and 4 , Horizontally arranged axis of rotation B be connected.
  • the cover 12 can also simply be used, which closes the lamp head 10 in a sealed manner at the top.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (15)

  1. Luminaire (100), de préférence luminaire spot, présentant :
    - un premier corps de luminaire (10) comportant une première section d'axe de rotation (11), et
    - un deuxième corps de luminaire (20) comportant une deuxième section d'axe de rotation (21),
    la première section d'axe de rotation (11) et la deuxième section d'axe de rotation (21) étant reliées rotatives l'une à l'autre sur un axe de rotation (A), et
    la première section d'axe de rotation (11) et la deuxième section d'axe de rotation (21) se chevauchant axialement dans une section de rotation (S), eu égard à l'axe de rotation (A),
    - un moyen d'étanchéité (50),
    le moyen d'étanchéité (50) étant agencé dans la section de rotation (S) radialement entre la première section d'axe de rotation (11) et la deuxième section d'axe de rotation (21) et en appui étanche contre celles-ci,
    - un moyen de retenue (70),
    caractérisé en ce que le moyen de retenue (70) relie en rotation le premier corps de luminaire (10) et le deuxième corps de luminaire (20) de telle manière que l'appui étanche est conservé indépendamment de la position en rotation des corps de luminaire (10, 20) l'un par rapport à l'autre, et de telle manière qu'il n'est pas nécessaire de desserrer le moyen de retenue (70) afin de modifier la position en rotation des corps de luminaire (10, 20) l'un par rapport à l'autre.
  2. Luminaire (100) selon la revendication 1,
    présentant en outre un troisième corps de luminaire (30) comportant une troisième section d'axe de rotation (31),
    le deuxième corps de luminaire (20) présentant en outre une quatrième section d'axe de rotation (22),
    la troisième section d'axe de rotation (31) et la quatrième section d'axe de rotation (22) étant reliées rotatives l'une à l'autre sur un axe de rotation (B), et
    la troisième section d'axe de rotation (31) et la quatrième section d'axe de rotation (22) se chevauchant axialement dans une autre section de rotation (T), eu égard à l'axe de rotation (A),
    le luminaire (100) présentant en outre :
    - un autre moyen d'étanchéité (60),
    l'autre moyen d'étanchéité (60) étant agencé dans l'autre section de rotation (T) radialement entre la troisième section d'axe de rotation (31) et la quatrième section d'axe de rotation (22) et en appui étanche contre celles-ci, et
    - un autre moyen de retenue (80),
    l'autre moyen de retenue (80) reliant en rotation le troisième corps de luminaire (30) et le deuxième corps de luminaire (20) de telle manière que l'appui étanche est conservé indépendamment de la position en rotation des corps de luminaire (20, 30) l'un par rapport à l'autre.
  3. Luminaire (100) selon la revendication 1 ou 2,
    dans lequel le premier corps de luminaire (10) et le deuxième corps de luminaire (20), et, le cas échéant, de préférence également le deuxième corps de luminaire (20) et le troisième corps de luminaire (30), sont reliés l'un à l'autre au moins par emmanchement à force et de préférence en outre de manière amovible par complémentarité de forme.
  4. Lampe (100) selon la revendication 3,
    dans lequel le moyen de retenue (70) relie le premier corps de luminaire (10) et le deuxième corps de luminaire (20) en permettant la conservation de l'emmanchement à force entre ceux-ci indépendamment de la position en rotation des corps de luminaire (10, 20) l'un par rapport à l'autre, et
    dans lequel de préférence, le cas échéant, l'autre moyen de retenue (80) relie le troisième corps de luminaire (30) et le deuxième corps de luminaire (20) en permettant la conservation de l'emmanchement à force entre ceux-ci indépendamment de la position en rotation des corps de luminaire (20, 30) l'un par rapport à l'autre.
  5. Luminaire (100) selon la revendication 3 ou 4,
    dans lequel le moyen de retenue (70) présente en outre des moyens de blocage correspondants permettant d'assurer la liaison par complémentarité de forme entre le premier corps de luminaire (10) et le deuxième corps de luminaire (20), et
    dans lequel, de préférence, le cas échéant, l'autre moyen de retenue (80) présente en outre d'autres moyens de blocage (Z) correspondants permettant d'assurer la liaison par complémentarité de forme entre le troisième corps de luminaire (30) et le deuxième corps de luminaire (20).
  6. Luminaire (100) selon la revendication 5,
    dans lequel le moyen de blocage et éventuellement l'autre moyen de blocage (Z) sont conçus pour permettre la fixation des corps de luminaire (10, 20 ; 20, 30) reliés entre eux selon au moins une, voire selon un certain nombre de positions en rotation autour de l'axe de rotation (A, B) qui leur est associé, le moyen de blocage et éventuellement l'autre moyen de blocage (Z) présentant un accouplement denté (Z).
  7. Luminaire (100) selon l'une des revendications précédentes, dans lequel le moyen de retenue (70) et éventuellement l'autre
    moyen de retenue (80) présentent des moyens de précontrainte, de préférence un élément formant ressort (F1, F2A, F2B), pour prétendre les corps de luminaire (10, 20 ; 20, 30) reliés entre eux vers la position d'emmanchement à force et de préférence en outre celle de liaison par complémentarité de forme, au moyen d'une force de ressort.
  8. Luminaire (100) selon la revendication 7,
    dans lequel les corps de luminaire (10, 20 ; 20, 30) reliés entre eux sont prévus mobiles axialement contre la force de ressort afin de supprimer l'emmanchement à force et, le cas échéant, de préférence également la liaison par complémentarité de forme, pour faire passer les corps de luminaire (10, 20 ; 20, 30) dans une autre position en rotation.
  9. Luminaire (100) selon l'une des revendications précédentes, dans lequel le premier corps de luminaire (10) et le deuxième
    corps de luminaire (20) et, le cas échéant, de préférence également le troisième corps de luminaire (30), délimitent chacun une cavité (H1, H2, H3) interne.
  10. Luminaire (100) selon la revendication 9,
    dans lequel les cavités (H1, H2, H3) des corps de luminaire (10, 20 ; 20, 30) voisins sont reliées entre elles, et
    dans lequel, de préférence, le moyen d'étanchéité (50) et, le cas échéant, l'autre moyen d'étanchéité (60) effectuent l'étanchéité des cavités (H1, H2, H3) ainsi reliées, vis-à-vis de l'extérieur, eu égard aux sections de rotation (S, T) respectives.
  11. Luminaire (100) selon la revendication 9 ou 10,
    dans lequel des moyens électriques et/ou électroniques (K) sont prévus dans les cavités (H1, H2, H3), de préférence au moins un câble ou un faisceau de câbles (K) destiné à l'alimentation électrique du luminaire (100), lesquels moyens traversent tout préférablement toutes les cavités (H1, H2, H3).
  12. Luminaire (100) selon l'une des revendications précédentes, comprenant en outre :
    - un limiteur de rotation (G) permettant de limiter une plage angulaire de rotation de l'axe de rotation (A) et éventuellement de l'autre axe de rotation (B).
  13. Luminaire (100) selon l'une des revendications précédentes,
    dans lequel l'un des corps de luminaire (10, 20, 30), de préférence le premier corps de luminaire (10), présente ou constitue une tête d'éclairage (10) destinée à l'émission de lumière par le luminaire (100), et/ou
    dans lequel l'un des corps de luminaire (10, 20, 30), de préférence le deuxième corps de luminaire (20) ou, le cas échéant, le troisième corps de luminaire (30), présente ou constitue un socle de luminaire permettant de fixer ledit luminaire (100).
  14. Luminaire (100) selon l'une des revendications précédentes,
    dans lequel les corps de luminaire (10, 20, 30) sont agencés successivement en ligne,
    le corps de luminaire (10) constituant de préférence, à une extrémité de ladite ligne, la tête d'éclairage (10) et le corps de luminaire (30), prévu à l'extrémité opposée de la ligne par rapport à la tête d'éclairage (10), constituant le socle de luminaire (30), le corps de luminaire (20) de préférence ou bien les corps de luminaire prévus de préférence entre la tête d'éclairage (10) et le socle de luminaire (30) présentant ou constituant de préférence des corps intermédiaires de luminaire (20).
  15. Luminaire (100) selon l'une des revendications précédentes,
    présentant en outre un moyen luminescent (L), de préférence un moyen luminescent à LED (L), lequel est prévu dans le premier corps de luminaire (10), de préférence dans la tête d'éclairage (10), et y est de préférence encapsulé.
EP21154487.9A 2020-02-10 2021-02-01 Luminaire Active EP3862629B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202020100689.4U DE202020100689U1 (de) 2020-02-10 2020-02-10 Leuchte

Publications (2)

Publication Number Publication Date
EP3862629A1 EP3862629A1 (fr) 2021-08-11
EP3862629B1 true EP3862629B1 (fr) 2022-10-05

Family

ID=74494755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21154487.9A Active EP3862629B1 (fr) 2020-02-10 2021-02-01 Luminaire

Country Status (3)

Country Link
EP (1) EP3862629B1 (fr)
AT (1) AT17713U1 (fr)
DE (1) DE202020100689U1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008910A (en) * 1975-05-16 1977-02-22 Roche Thomas F Universal electrical swivel
US4609979A (en) * 1985-03-25 1986-09-02 Cooper Industries, Inc. Swivel assembly
US5450303A (en) * 1994-03-01 1995-09-12 Lamson & Sessions Co. Adjustable lamp assembly
US6161948A (en) * 1998-05-27 2000-12-19 B-K Lighting, Inc. Adjustable mount for sealed light systems
US6902200B1 (en) * 2000-03-28 2005-06-07 Joshua Beadle Contaminant-resistant pivot joint for outdoor lighting fixture
US6966679B2 (en) * 2003-05-21 2005-11-22 Fresno Valves And Castings, Inc. Adjustable light fixture mounting assembly
US9897296B1 (en) * 2015-09-14 2018-02-20 Jeffrey P. Baldwin Lampholder with universal joint
DE202016106607U1 (de) * 2016-11-28 2018-03-01 Zumtobel Lighting Gmbh Leuchten-Anordnung mit einer Tragschiene und einer Leuchte

Also Published As

Publication number Publication date
DE202020100689U1 (de) 2021-05-11
EP3862629A1 (fr) 2021-08-11
AT17713U1 (de) 2022-12-15

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