Abstract
The present application relates to a lighting device (1) comprising a main body (2) having an inner surface (3) and an outer surface (4). The inner surface (3) at least in part forming a section (12) for receiving a light source. The outer surface (4) having a first thread (8) along at least part of said outer surface (4), wherein said first thread (8) is for directly or indirectly securing the lighting device (1) in a building part. The invention further relates to a receiving element (17) and an insertion (29) for use with the lighting device (1).
Claims
1. A modular lighting device comprising: a main body having a section for receiving a light source and an outer surface, wherein the outer surface has a first thread defined along an area of said outer surface for securing the lighting device in a building part through at least two receiving elements, at least two receiving elements for receiving said main body, said receiving elements each having a threaded receiving part corresponding to the first thread along the outer surface of the main body, and said at least two receiving elements are at least two nuts, and wherein said main body has an inner surface operable for fastening the light source and wherein said inner surface comprises a second thread defined along the inner surface for fastening the light source to the main body.
2. A lighting device according to claim 1, wherein said main body is a cylindrical element.
3. A lighting device according to claim 1, wherein said inner surface at least in part forms a reflector.
4. A lighting device according to claim 1, further comprising a reflector, wherein said reflector comprises a thread engageable with either the first or the second thread of the main body.
5. A lighting device according to claim 1 comprising attachment means for attaching a control unit for the light source.
6. A lighting device according to claim 5, wherein said attachment means enables rotation of the control unit relative to the main body of the lighting device.
7. A lighting device according to claim 5, wherein said attachment means comprises a first part comprising a circumferential recess in the outer surface.
8. A lighting device according to claim 5, wherein said attachment means comprises a second part in the form of a clip for movably engaging said first attachment means.
9. A lighting device according to claim 5, wherein said attachment means is a plate attached to the main body.
10. A lighting device according to claim 1, further comprising an insertion disposed so as to engage said second thread of said main body.
11. A lighting device according to claim 10, wherein said insertion is a protective cover, frame, ornament and/or light diffuser.
12. A lighting device according to claim 10, wherein said insertion comprises a tilting element.
13. A lighting device according to claim 10, wherein said insertion is configured and operable so as to retain a light source in the lighting device.
14. A lighting device according to claim 1, wherein said receiving element is operable for attachment to a building structure.
15. A lighting device according to claim 14 wherein said receiving element is at least in part a hollow cylinder and wherein the lighting device is received in the hollow of said hollow cylinder.
16. A lighting device according to claim 14, wherein the receiving element is made of rubber, plastic, foam and/or metal.
17. A lighting device according to claim 1, wherein the lighting device comprises a main body, at least one receiving element, and a reflector.
18. A lighting device according to claim 1, wherein said main body is a cooling element having a plurality of fins extending radially and said first thread is provided at the outer surface of said fins.
19. A lighting device according to claim 1, wherein said main body comprises a first end and a slit extending from the first end.
Description
DESCRIPTION OF THE DRAWINGS
(1) The invention will in the following be described in greater detail with reference to the accompanying drawings. The drawings are provided as exemplary embodiments and are not to be construed as limiting to the invention.
(2) FIG. 1 shows a mainly cylindrical lighting device according to the present invention,
(3) FIG. 2 shows a cross section of the lighting device of FIG. 1 taken along the line II-II,
(4) FIG. 3 shows a cross section of a reflector type lighting device according to the present invention,
(5) FIG. 4 illustrates a refitting method,
(6) FIG. 5 shows a cross section of a first embodiment of a receiving element,
(7) FIG. 6 shows a second embodiment o a receiving element,
(8) FIGS. 7a and 7b shows a third embodiment of a receiving element,
(9) FIGS. 8a and 8b shows the receiving element from FIG. 6 inserted in a building element together with a special tool,
(10) FIG. 9 shows an insertion arranged to receive three lighting devices
(11) FIGS. 10a and 10b show a light source in a lighting device inserted into a building element
(12) FIG. 11 shows a lighting device with first and second attachment means
(13) FIGS. 12a and 12 b show special tools for mounting and releasing lighting devices according to the present invention.
(14) FIGS. 13a, 13b, and 13c show different views of a mainly cylindrical main body according to the present invention,
(15) FIGS. 14a and 14b show an insertion element,
(16) FIGS. 15a and 15b show a nut
(17) FIGS. 16a and 16b show a top part and a bottom part for the main body
(18) FIG. 17 shows an assembled lighting device comprising main body, two nuts, insertion element and cover plate
(19) FIG. 18 shows a plate for attaching a connector
(20) FIG. 19 shows a stabilising insertion element for stabilising an LED chip or the like
(21) FIG. 20a shows a main body in the form of a cylinder comprising fins extending radially functioning also as a cooling element, and FIG. 20b shows a reflector.
(22) FIGS. 21a and 21b shows a tilting element comprising inner tilting part and inner part
(23) FIG. 22 shows another main body in the form of a lamp part
(24) FIGS. 23a and 23b show two different forms of receiving elements.
(25) FIG. 24 shows an assembled lighting device according to the invention
(26) FIG. 25 shows an assembled lighting device having a spot design
(27) FIG. 26 shows an assembled lighting device having another spot design
DETAILED DESCRIPTION OF THE INVENTION
(28) FIG. 1 shows a lighting device 1 comprising a cylindrical main body 2 having an outer surface 4 and an inner surface 3. The cylindrical main body 2 of the lighting device 1 has a first open end 5 opposing a second open end 6. Along the edge of the second open end 6 is a circumferential shoulder 7 along the outer surface 3. This shoulder provides a cover for the edges of the hole in the building structure into which the lighting source is inserted. On the majority of the outer surface is a first thread 8.
(29) Along a section of the inner surface is a second thread 9.
(30) The main body also comprises two through going holes 10a arranged to engage with a conventional retainer to keep e.g. a halogen light bulb in place in the lighting device and holes 10b for mounting traditional clips if desired. However both 10a and 10b are optional.
(31) FIG. 2 shows a sectional view of FIG. 1 taken along the line II-II.
(32) In this view is also seen an indent 11 in the edge/shoulder of the second open end 6 of the main body. This indent can be used to engage with a specially developed tool for mounting and releasing the lighting device.
(33) In both FIGS. 1 and 2 the inner surface defines a receiving section 12 wherein a light source (not shown), such as a LED bulb, can be received.
(34) FIG. 3 shows a lighting device 1 wherein the inner surface forms receiving section 12 for receiving a light source and another section 13 forming a reflector. I.e. this embodiment is a reflector type lighting device.
(35) For illustrative purposes the outer surface is shown with two different first threads both arranged to allow the fastening of the lighting device in e.g. e loft panel. Depending on the intended use of the lighting device the outer surface may comprise one or more first threads.
(36) FIG. 4 shows a lighting device 1 according to the present invention used to refit an existing reflector 14.
(37) Here the apex part of the existing reflector has been removed and a lighting device 1 according to the present has been inserted in the created hole in the apex. The lighting device 1 can for example be secured in its position via a nut arranged to engage the first thread of the lighting device. Alternatively the lighting device can be secured via traditional clips 16 used for mounting e.g. halogen fittings in loft panels—the latter option can also be used to refit existing reflectors with existing small armatures.
(38) Existing reflector type armatures can be refitted by a method either using existing small armatures or lighting devices of the present invention.
(39) According to the method an existing reflector type armature is provided and an opening for receiving a small armature is created in said reflector type armature. The small armature can be secured in the hole in the reflector type armature by means of clips e.g. when the small armature is of an existing type. Alternatively the small armature is an armature according to the present invention having an outer first thread which can engage with a nut 15 and thereby fasten the small armature to the reflector.
(40) FIG. 5 shows a receiving element 17 for receiving a lighting device 1 according to the present invention in means for receiving a light source in form of hollow 18. The receiving element 17 in this embodiment is a mainly cylindrical body with receiving means in form of a thread 19. The thread 19 is arranged to engage with the first thread 8 of a lighting device 1. The outer side 20 of the receiving element 17 is in the present embodiment smooth but may be arranged with various means for inserting in a building structure. The receiving element has a circumferential collar 21 which may be used to secure or stabilize the receiving when it is inserted in a building element or part.
(41) FIG. 6 shows a receiving element 17 with a mainly cylindrical shape similar to what is shown in FIG. 5. In this embodiment the receiving element 17 also has a circumferential collar 21 at both ends.
(42) FIG. 7a shows another embodiment of a receiving element 17 having a number of longitudinal slits 22 thus defining a number of segments 23 each having a hook 24.
(43) FIG. 7b shows the receiving element 17 from FIG. 7a mounted in a board 25. The function of the segments 23 is illustrated by the arrows A indicating how each segments can be bend outwards allowing the hooks 24 to engage with the surface of the board 25 thereby securing the receiving element further to the board.
(44) FIG. 8a shows a cross section of the receiving element 17 from FIG. 6 engaged in a building element 25. FIG. 8b shows a special tool for drilling special holes for the receiving elements 17. The tool comprises a main cylinder 27 for drilling the main part of the hole and a rasp like section 28 for making the recession in which the collar 21 can be contained.
(45) FIG. 9 shows an insertion 29 with three means 30 for receiving a lighting device, i.e. three circular holes with threads for engaging in first threads 8 of a lighting device 1. The insertion 29 is in the present example inserted in a large lighting device 1 with a circular cross section.
(46) If the insertion 29 is inserted directly into a building element the insertion can be regarded as a receiving element 17 for holding more than one lighting device 1.
(47) In some embodiments the insertion 29, or other type of insertions, may further comprise ventilation, speaker, alarm system etc. as indicated in the centre C by a dotted circle.
(48) FIG. 10a shows a sectional view of a lighting device 1 with an insertion 29 engaged in the second thread 9. The insertion 29 this way forms a circumferential shoulder of the inner surface, which shoulder is used to retain a light source 31 in the lighting device 1. FIG. 10 also shows how lighting devices 1 can be inserted into e.g. a loft panel, wall structure etc. 25 by means of the first thread 8.
(49) FIG. 10b shows a lighting device 1 mounted in a building element by means of a plate-like nut 15a engaging the first thread 8.
(50) FIG. 11 shows a lighting device 1 with attachment means 32, 33 for movably fastening a control unit 34 to via a holder 35. In this example the attachment means is a circumferential recess 32 in the outer surface and a clip 24 arranged to grip around the lighting device in the recess 32. The unit control is attached to a main cable 36 and two cables 37 for connecting to a fitting. Other elements such as a transformation can be movably attached in a similar way.
(51) This way the attachment means allows the control unit, or other device 34 to rotate with respect to the lighting device 1 a feature which can be highly relevant when the lighting device is mounted in the building part via the first thread.
(52) FIGS. 12a and 12b show two different embodiments of a special tool 38 for inserting and releasing a lighting device according the present invention. The tool comprises means for engaging with the indents 11 of a lighting device.
(53) FIG. 13a shows a lighting device 1 comprising a cylindrical main body 2 having an outer surface 3 and an inner surface 4. The cylindrical main body 2 of the lighting device 1 has a first open end 5 opposing a second open end 6. A slit 40 is shown from the first open end extending more than half of the length of the main body 2. On the majority of the outer surface is a first thread 8. The slit 40 is provided to allow a cable into the main body 2 towards a light source positioned within the main body 2.
(54) FIG. 13b shows the same main body 2 seen from below. Along a section of the inner surface is a second thread 9.
(55) FIG. 13c shows a cross-section of the main body 2 in FIG. 13a.
(56) FIG. 14a shows an insertion element 6 to be inserted into the main body 2. The insertion element 6 has a shoulder 7 for covering edges of the hole in the building structure, and FIG. 14b shows the insertion element 6 of FIG. 14a positioned in the main body 2. When the insertion element 6 is positioned in the main body 2 it may also provide a seat for the light source, in particularly when the light source is an LED chip that may rest on the circumference of the insertion element 6:
(57) FIGS. 15a and 15b shows a receiving element in the form of a nut 15 for securing a main body 2 in the building structure. In some embodiments one nut 15 is enough to secure the main body 2. However, it may be preferred, as seen in FIG. 17 to provide at least two nuts 15, for example for attaching a cable attachment or for securing the main body 2 on both sides of the building structure. In the drawings the nut 15 is shown as a hexagonal nut or a star-formed nut, however the nut may have any other suitable shape capable of performing the function, such as a square, or triangle.
(58) FIG. 16a shows a top 41 for example for closing the upper part of the main body. The top 41 is shown with a hole allowing any heat to disappear, however the top may have any suitable form. FIG. 16b shows a bottom 42 that may be used with top 41, for example for housing cables and/or drivers for the light source.
(59) FIG. 17 shows the modular lighting device comprising a main body 2, two nuts 15, an insertion element 6 with its shoulder 7 as well as a cover plate 43 assembled into the modular lighting device. The cover plate 43 may be used for decorative purposes as well as for covering any holes in the existing building structure.
(60) FIG. 18 shows an attachment plate 44 capable of holding connector and/or cable for the lighting device. The plate 44 may be attached to the main body 2 by any suitable means, such as by sliding it over the main body 2 or by screwing it onto the main body. In the present embodiment the plate 44 has a circular hole 45 in one end, said hole being adapted to fit over the main body 2. The plate 44 may be secured to the main body 2 through the use of one or more nuts 15 as shown in FIG. 15. When the connector and/or the cable is attached to the main body 2 then it is easy to install and repair both, since the cable and connector is arranged together with the main body 2.
(61) FIG. 19 shows an insertion stabiliser 46 for stabilising a light source within a main body 2. The shown insertion stabiliser 46 is especially suited for stabilising an LED chip, such as a GUI LED chip. The extending parts 47 may for example rest against the inner surface of the main body 2 when in use, and heat may pass from the LED chip through the holes in the insertion stabiliser 46.
(62) FIG. 20a shows another embodiment of a main body 2 comprising fins 48 extending radially functioning also as a cooling element. On the outer surface of the fins 48 is a first thread 8. This type of main body 2 is particularly suited for light sources emitting substantial amounts of heat. Such as light source may be attached to the main body 2, for example screwed to the main body 2. The main body may be used in any of the modular lighting devices discussed herein, such as replacing the cylindrical main body 2 of FIG. 1 and FIG. 13. In particularly, the main body 2 with fins 48 may be used in a lighting device as shown in FIG. 20b wherein a reflector 13 is attached to the main body 2. The reflector 13 may be screwed onto or into the main body 2, or it may be made as an integrated part of the main body 2.
(63) FIG. 21a shows an inner tilting element 49 to engage the inner element 50 in FIG. 21b thereby forming a tilting element. The inner tilting element 49 may be attached to the main body 2 through inner threads 51. The inner tilting element 49 is engaged with inner element 50 through protrusions 52 into recesses 53 thereby forming a tilting element that allows for changing the direction of light from the light source.
(64) FIG. 22a shows a lamp element 54 that may be used as a main body 2 on its own or attached to a main body 2. When being used on its own the lamp element 54 may be secured to the building structure through the use of for example nuts 15 as discussed herein. FIG. 22b shows the lamp element 54 more clearly showing the threads 55 for allowing the lamp element 54 to be received into a receiving element as described herein.
(65) FIG. 23a and FIG. 23b show two different receiving elements 17 having protrusions 55 for engaging the building structure into which the lighting device 1 is to be inserted. The receiving elements 17 comprises a thread 56 on the inner surface. The receiving elements 17 may be used as an alternative to the nuts described above. However, the receiving elements 17 may also be used in connection with the nuts described above, for example when the nut is used for securing attachment means for the cable and/or the connector.
(66) FIG. 24 shows an assembled modular lighting device according to the invention comprising receiving element 17 for receiving a lamp element 54 and further comprising a tilting inner element 49 and an inner element 50 for tilting the cylindrical main body 2 housing the light source. Furthermore, an insertion 6 is positioned inside the main body 2 for providing a retaining position for the light source on the upper part of the insertion 6.
(67) FIG. 25 shows an assembled modular lighting device according to the invention wherein a main body 2 comprising a cooling element is connected to a reflector 13 and a lamp element 54 having external threads 57. To the other end of the main body 2 is connected a top and bottom element through a tilting element having an inner tilting element 49 and an inner element 50. The assembled modular lighting device may be used as a spot wherever tiltable spots are required.
(68) FIG. 26 FIG. 25 shows an assembled modular lighting device according to the invention wherein a cylindrical main body 2 is connected to a reflector 13. A cover plate 43 is arranged above the reflector 13. Two nuts 15 are provided towards the other end of the main body 2 for securing the modular lighting device to a building part.
