EP3216332A1 - Luminaire à puce led - Google Patents

Luminaire à puce led

Info

Publication number
EP3216332A1
EP3216332A1 EP15822905.4A EP15822905A EP3216332A1 EP 3216332 A1 EP3216332 A1 EP 3216332A1 EP 15822905 A EP15822905 A EP 15822905A EP 3216332 A1 EP3216332 A1 EP 3216332A1
Authority
EP
European Patent Office
Prior art keywords
led chip
lamp
shaft
lamp according
luminaire
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.)
Withdrawn
Application number
EP15822905.4A
Other languages
German (de)
English (en)
Inventor
Michael Gilbert
Peter Gilbert
Olaf Heinrich KÖNIG
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.)
Sls Super Light Solutions Ug (haftungsbeschrankt)
Original Assignee
Sls Super Light Solutions Ug (haftungsbeschrankt)
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 Sls Super Light Solutions Ug (haftungsbeschrankt) filed Critical Sls Super Light Solutions Ug (haftungsbeschrankt)
Publication of EP3216332A1 publication Critical patent/EP3216332A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • 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 luminaire which has an LED chip as luminous means, a device for transporting and exchanging an LED chip and a set with a luminaire and a device for transporting and exchanging an LED chip.
  • LED lights are well known in the art. Even lights that have LED chips as bulbs are known. The problem with these lights according to the prior art is that the LED chips are difficult to remove. This is the current state of the art only by specialized personnel and with the help of a soldering iron implemented. Often, the entire lamp is disposed of after the failure of the lamp or lights, creating unnecessary electronic waste is generated.
  • the object of the present invention is to improve such known from the prior art lights.
  • a luminaire which has at least one LED chip as the illuminant is inventively characterized in that the LED chip is replaceable by the chip (non-destructive) is detachably integrated into the lamp.
  • a fixation of the LED chip within the luminaire can be ensured in particular by a positive or non-positive connection.
  • the luminaire is furthermore preferably designed such that a replacement of the LED chip without disassembly of the luminaire is possible.
  • LED chips such as building lights, street lamps, Stadienfluter, living room washlights, living room lights, business premises floodlights, cinema lights, film, photo or event lights , TV studio lights, car lights and lights to illuminate pool landscapes.
  • CONFIRMATION COPY By means of the present invention, replacement of the LED chips can be made possible by mechanical connection, in particular in positive or non-positive manner, and simultaneous electronic contacting.
  • the invention provides that no cohesive integration of the LED chip takes place in the lamp. This can help to minimize waste of resources because a user of a luminaire according to the invention will be able to buy an innovative, energy-friendly and sustainable product.
  • the present invention makes it possible to replace the LED chip in a lamp by simple manipulations. Even the simple change of different shades in the lights is quickly applicable by this simple process.
  • the vulnerable transformers that are used to control the LED chips can also be replaced by simple plug & play, ie a mechanical and electrical plug connection.
  • the change function can be achieved in particular by a plug-in, turn or tilt device.
  • the lamp has a removable shaft (in a housing). By such a changeable shaft, a simple insertion of the LED chip into the housing and a simple removal of the LED chip from the housing can be achieved.
  • a ventilation shaft in a housing of the lamp
  • This can preferably be provided in the plane of the LED chip.
  • the lamp according to the invention may further be provided that it has a holder for the LED chip, wherein the holder has a plate with a chip holder and a current collector, in which the LED chip is fixed.
  • the holder can furthermore preferably be arranged on a tube.
  • the lamp has a power supply that is interchangeable.
  • a replacement of the power supply may also be possible without disassembly of the lamp particularly preferred.
  • the power supply can be integrated by a connector in the lamp.
  • Such a power supply may in particular comprise a transformer.
  • such a power supply can also include a driver unit, in which a control software for the lamp and / or a processor for implementing the control software are integrated.
  • the luminaire according to the invention may furthermore preferably have two or more LED chips.
  • the or at least one LED chip ie, its emission direction
  • the or at least one LED chip with respect to a lamp plane in the depth is arranged adjustable.
  • the LED chips are rotatably mounted.
  • a rotation can be provided in particular about a body axis which is aligned parallel or coaxial with the (middle) emission direction for light of the LED chip.
  • the invention further relates to a device for transporting and replacing an LED chip, in particular for use with a luminaire according to the invention.
  • the LED chip is kept hidden in the device in a closed position of the device.
  • the LED chip is held open in the device in an open position of the device.
  • the invention further relates to an LED chip for use in a luminaire according to the invention and / or for use with a device according to the invention.
  • the invention relates to a method for replacing an LED chip of a lamp according to the invention, in particular using a device according to the invention.
  • FIG. 1 shows a luminaire according to the invention in a design as a single luminaire in a perspective view (without reflectors and LED chip);
  • FIG. 1 shows a luminaire according to the invention in a design as a single luminaire in a perspective view (without reflectors and LED chip);
  • FIG. 1 shows a luminaire according to the invention in a design as a single luminaire in a perspective view (without reflectors and LED chip);
  • Fig. 2 the lamp in a front view
  • Fig. 3 isolated view of the exchange shaft of the lamp in a plan view; 4 shows an LED chip for use with a lamp in a plan view;
  • FIG. 10 shows an illustration of the luminaire according to FIG. 9 with inserted light key in one
  • Fig. 11 the lightkey in the intermediate position
  • Fig. 12 a representation of the lamp according to FIG. 9 with installed Lightkey in one
  • Fig. 13 the lightkey in the transfer position
  • Fig. 14 a longitudinal section through the lightkey
  • FIG. 15 shows a plan view of the supply shaft of the luminaire
  • FIG. 16 shows a section through the supply shaft
  • Fig. 17 the plug-in transformer of the lamp in a side view
  • Fig. 18 a lamp according to the invention in a version as a multiple light in one
  • the lamp shown in FIGS. 1 and 2 comprises a housing 1, in particular an aluminum housing.
  • An outer portion of the housing 1 is connected by struts with a cylindrical inner portion.
  • one or more pivot bearing elements 2, such as ball bearings, are added.
  • a tube 3 (see Fig. 9, 10, 12) is rotatably mounted. Due to the design of the housing 1 with the struts enough free space is formed in the inner region to allow air circulation.
  • a light source in the form of an LED chip 4 (for example a high-power LED chip, in particular a quantum dot LED chip) is fastened to one end face of the tube 3.
  • a plate is fixed on the tube 3, on which a chip holder 5 (cf., Fig. 6) 6 finds place with current sensors.
  • Power lines for supplying the LED chip 4 with electrical energy run within the tube 3. This is also used for cooling the LED chip 4.
  • Cooling of the LED chip 4 is primarily carried out by an air flow generated by a fan 7, which is sucked through a supply air shaft 8, which, based on the longitudinal axis of the tube 3, at the same height as the LED chip 4.
  • the emerging from the supply air duct 8 air flow is passed through the LED chip 4 and then derived via an exhaust duct 9.
  • a further fan (not shown) is arranged, which also dissipates heat from the LED chip 4.
  • Figs. 4 and 5 show the structure of the LED chip in isolated views.
  • a luminous surface 10 of the LED chip 4 is located on a (metal) base plate 11.
  • This base plate 1 1 is intended as a mounting plate for the LED chip and additionally serves as an electrically conductive connection piece between the luminous area 10 and a power supply for the LED chip 4.
  • the base plate 1 1 has two connection openings 12, which serve to install the LED chip 4, using a suitable device, a so-called Lightkey 13, in the lamp or to remove it from the lamp.
  • Fig. 6 shows the chip holder 5 of the lamp in a side view.
  • This comprises a sliding surface element 14, which forms a sliding surface on which the base plate 11 of the LED chip 4 can slide.
  • At two opposite edges of the sliding surface holding elements 15 are connected to the sliding surface element 14, each forming a guide slot with the sliding surface, in which an edge portion of the base plate 1 1 of the LED chip 4 can be performed.
  • a current transmitter 6 also extends along the sides of the sliding surface element 14 on which the holding elements 15 are attached.
  • One of these current generators 6 is shown in an isolated representation in FIG.
  • Each of the current generator 6 comprises an elongated base body 16 which forms a receiving slot 17 which extends from one of the end faces with decreasing width to near the second end face and on an exposed upper side of the current generator 6, which is approximately on a Height at which the sliding surface of Gleit perennialelements 14 is open.
  • the receiving slot 17 is bounded on both sides by a (bent) current-carrying plate 18.
  • the legs of the current-carrying plate 18 are compressed by means of compression springs 19.
  • the LED chip 4 is pushed with its base plate 1 1, which is coated with a thermal paste, in the lateral direction below the support members 15 of the chip holder 5.
  • current collectors 20 of the LED chip 4 which initially extend from two opposite sides of the base plate 11 or the luminous surface 10 in the lateral direction and are then guided downwards, are introduced from the side into the receiving slot 17 of the respectively associated current generator 6, whereby the LED chip 4 is electrically integrated into the lamp.
  • the base plate of the LED chip 4 can additionally by means of compression springs (not shown) are pressed against the sliding surface of the chip holder 5. Overall, there is a sufficient non-positive fixation of the LED chip 4 in the chip holder. 5 To enable a change of the LED chip 4 of the lamp, this has a removable shaft 21.
  • the exchange shaft 21 is, with respect to the longitudinal axis of the tube 3, arranged at the level of the LED chip 4.
  • the changeable shaft 21 can be closed by means of a shaft flap 22 (cf., in particular, FIG. 3).
  • the shaft flap 22 is secured with threaded screws 23. These threaded screws 23 can be turned on, whereby the manhole cover 22 can be opened.
  • opening a micro-switch 24 is triggered with double NC contact, which interrupts the power in the lamp.
  • the exchange shaft 21 is exposed.
  • Each replacement LED chip 4 may be located in such a lightkey 3. In a set, an empty lightkey 13 is supplied to a luminaire to allow replacement of the LED chip 4.
  • the Lightkey 13 is used as a transport box as well as for replacing the LED chip 4 in the luminaire.
  • the lightkey 13 (cf., for example, FIG. 8) comprises a housing 25 having a middle part 26 and a first end part 27 and a second end part 28, each of which can be lowered into the middle part 26.
  • the end portions 27, 28 are acted upon in each case in the extended position.
  • From an inner bottom surface of the second end portion 28 extends a guide support 30, at the end of an LED chip 4 can be held.
  • the LED chip 4 is then located within the limited by the first end portion 27 in the extended position volume.
  • the free end face of the first end part 27 forms a passage opening, which can be closed by means of a closure flap 31.
  • a releasable fixation of the LED chip 4 on the guide carrier are two retaining hooks 32, which engage in a closed position in the connection openings 12 of the base plate 11 of the LED chip 4 (see Fig .. 14).
  • the retaining hooks 32 are supported in the shape of a rocker and can be pivoted into the closed position or an open position in which they do not engage in the connection openings 12 by means of a mechanical switch 33 integrated in the second end part.
  • the Lightkey 13 In order to insert an LED chip 4 into the luminaire or to remove an LED chip 4 from the luminaire, the Lightkey 13 is pushed into the removable shaft 21 under pressure. Differently dimensioned and / or positioned guide projections 34 of the lightkey 13, which engage in corresponding guide grooves 35 of the changeable shaft 21 (cf., for example, FIG. 3), ensure that the lightkey 13 can be pushed into the changeable shaft 21 in only one orientation.
  • first the first end part 27 of the light key 13 moves into the exchangeable chute 21 (see Fig. 10) until it strikes stoppers 36.
  • a further insertion of the middle part 26 of the lightkey 13 into the exchangeable shaft 21 then leads to a countersinking of the first end part 27, as a result of which the LED chip 4 is pushed through the shutter flap 31 which opens.
  • the LED chip 4 is also passed over a located within the first end portion 27 cartridge 37, in which the thermal paste is located.
  • the base plate 11 of the LED chip 4 is coated using a scraper 38 with a uniform layer of thermal grease.
  • the LED chip 4 is now exposed, held by the guide support 30 using the retaining hooks 32 (see Figures 10 and 11).
  • a further insertion of the light key 13 now leads to the second end part 28 being sunk into the central part 26, which likewise abuts against the stoppers 36, whereby the LED chip 4 is brought into a transfer position within the luminaire or the changeable shaft 21 (cf. Figs. 12 and 13).
  • the LED chip 4 is secured with its base plate 11 in the manner described between the Gleitzinelement 14 and the support members 15 of the chip holder 5 and electrically integrated by means of the Stromgeberblechen 18 contacting pantograph 20 in the lamp.
  • the mechanical switch 33 the LED chip 4 can then be released from the light key 13.
  • the lightkey 13 When the lightkey 13 is relieved of load, it moves back into its transport position according to FIG. 8 and at the same time partially out of the interchangeable shaft 21 due to the application of the pretensioned compression springs 29 without an LED chip 4.
  • the shaft flap 22 After an LED chip 4 has been inserted into the luminaire, the shaft flap 22 can be closed and the threaded screws 23 can be screwed into the receptacle points 39 provided for this purpose. Due to the restored closed position of the hoistway flap 22, a release is signaled to the microswitch 24 and the current flow is restored.
  • the luminaire according to the invention also makes it possible to simply exchange an associated plug-in transformer 40 accommodated inside the housing 1 (compare FIG. 17).
  • a supply shaft 41 (cf., FIGS. 15 and 16) is provided inside the housing 1.
  • terminals 42 for the supply of the current of the output voltage and secondary output voltage consumers firmly anchored.
  • the plug-in transformer 40 can be connected by means of corresponding terminals 43.
  • the plug-in transformer 40 can be manually inserted into the supply shaft 41.
  • a recessed grip 44 can be used as a handle when inserting the plug-in transformer 40.
  • the housing opening of the supply shaft 41 can be closed by means of a shaft flap 47 (compare FIG. 16).
  • the shaft flap 47 can be fixed, for example by means of a screw 48 in the closed position.
  • a sealing element 49 can prevent or limit the penetration of moisture and other contamination.
  • (fin) inlet openings 50 can be provided in the shaft flap 47.
  • a cooling air flow generated by means of a fan (not shown) can enter the supply shaft 41 through the inlet openings 50, flow around and / or flow through the plug-in transformer 40 and exit via the (lamella) outlet openings 51 again from the housing 1 of the luminaire.
  • Passage openings 52 in the end wall 53 receiving the 42 connections and delimiting the supply shaft 41 ensure guidance of the cooling air flow up to the outlet openings 51.
  • a partition wall 54 deflects the cooling air flow that has flowed through the passage openings 52 in the direction of the outlet openings 51.
  • the terminals 42 in the end wall 53 of the supply shaft 41 (and possibly a between the end wall 53 and the partition 54 arranged, not shown driver unit) with a (with respect the end wall 53) on the other side of the partition wall 54 arranged control unit (not shown) electrically connect, are guided.
  • FIG. 18 shows a second embodiment of a luminaire according to the invention.
  • This differs from the lamp according to FIGS. 1 and 2 essentially exclusively by a configuration as a multiple and concrete 4-lamp.
  • This therefore comprises four LED chips 4, which are each mounted on a tube 3.
  • the tubes 3 not only the power lines for supplying the LED chips 4 are laid with electrical energy, but these also each serve as a main component of the cooling of the LED chips 4.
  • a plate is fixed on which a chip holder 5 with current sensors 6 as shown in FIGS. 4 to 7 find their place. Since LED chips 4 by their design can only have a beam angle of 120 °, they can be mounted at an angle to the lamp plane in order to influence this physically predetermined radiation angle.
  • Each individual tube 3 is mounted in a first rotary bearing element 2, for example ball bearings, so that the tubes 3 and thereby the LED chips 4 can be rotated by up to 360 °.
  • the four LED chips 4 are at an angle of 0 to 90 °.
  • the emission angle can be increased by a multiple.
  • the tubes 3 can still be influenced in such a way that the focus can be changed.
  • the tubes 3 can be reciprocated individually as well as together in the depth to the lamp plane to obtain a common focus or a soft light.
  • This overall arrangement is now again in a second pivot bearing element 56, in particular ball bearings, stored in order to meet by the possibility of individual rotations and by means of integrated reflectors a higher standard of light individuality.
  • the second pivot bearing element 56 also serves to ensure easy replacement of the individual LED chips 4 via a single changeable shaft 21, even in the multiple light.
  • the corresponding one of the four tubes 4, on which the LED chip 4 to be replaced is arranged is brought into a change shaft 21 adjacent to the change position.
  • the second pivot member 56 has four grid points, so for each LED chip 4 a matching change position to ensure easy replacement.
  • the replacement of the LED chips 4 takes place via the exchangeable chute 21 integrated in the housing 1 (for example milled-in).
  • This changeable chute 21 is arranged at the same angle in which the LED chips 4 are also aligned. After the LED chips 4 have been replaced as desired gradually, the position of the LED chips 4 is again moved out of the (last) change position and the normal use of the lamp can be continued.
  • the entire construct is held by the housing 1, in particular in an embodiment as an aluminum housing.
  • the housing 1 is not completely filled, but by a targeted bracing sufficient strength is achieved.
  • the housing 1 allows at the same time to maintain sufficient space indoors to allow air circulation.
  • This air circulation is used to cool the LED chips 4 and is accomplished specifically by the intake of outside air through a supply air shaft 8.
  • This supply air duct leads in a front region in front of the LED chips 4 through the housing, so that the air flow is guided via the LED chips 4.
  • the air flow is sucked by a fan 7, which is located next to the LED chips 4, and discharged via an exhaust duct 9.
  • a further fan (not shown) is arranged, which dissipates the heat generated by the LED chips 4 and collected with the exhaust air collected in the front region in a lower region of the housing 1 derived.

Abstract

L'invention concerne un luminaire comprenant une puce LED qui sert de moyen d'éclairage, un dispositif de transport et de remplacement de puce LED, et un kit comprenant un luminaire et un dispositif de transport et de remplacement de puce LED.
EP15822905.4A 2014-11-07 2015-11-09 Luminaire à puce led Withdrawn EP3216332A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014016388 2014-11-07
DE102015003321 2015-03-17
PCT/EP2015/002254 WO2016071003A1 (fr) 2014-11-07 2015-11-09 Luminaire à puce led

Publications (1)

Publication Number Publication Date
EP3216332A1 true EP3216332A1 (fr) 2017-09-13

Family

ID=55080074

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15822905.4A Withdrawn EP3216332A1 (fr) 2014-11-07 2015-11-09 Luminaire à puce led

Country Status (3)

Country Link
US (1) US10976032B2 (fr)
EP (1) EP3216332A1 (fr)
WO (1) WO2016071003A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019109806A1 (de) 2019-01-10 2020-07-16 Sls Super Light Solutions Ug (Haftungsbeschränkt) Beleuchtungsvorrichtung

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US20050207165A1 (en) * 2001-08-09 2005-09-22 Matsushita Electric Industrial Co., Ltd. LED illumination apparatus and card-type LED illumination source

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Also Published As

Publication number Publication date
US20190368695A1 (en) 2019-12-05
US10976032B2 (en) 2021-04-13
WO2016071003A1 (fr) 2016-05-12

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