Abstract
A lighting device for outdoor use comprising a lighting body and a socket body, where the lighting body comprises a lighting unit, a first electrical connection and a first locking member. The socket body comprises a second electrical connection and a second locking member, wherein the first and second electrical connections are arranged to connect to each other in a closed position in order supply the lighting unit with power. The first locking member and the second locking member are arranged for locking and unlocking the lighting body to the socket body in said closed position. The lighting body comprises a first fastening device and the socket body comprises a second fastening device, wherein the fastening devices are arranged to. The lighting body comprises a first guiding means and the socket body comprises a second guiding means, which are arranged to interact.
Claims
1. A lighting device for outside use comprising a lighting body and a socket body, the lighting body comprising an lighting unit, a first electrical connection and a first locking member, the socket body comprising a second electrical connection and a second locking member, wherein the first and second electrical connections are arranged to connect to each other in a closed position in order to supply the lighting unit with power and wherein the first locking member and the second locking member are arranged for locking and unlocking the lighting body to the socket body in said closed position wherein the lighting body comprises a first fastening device comprising a rear wall having an internally located contact surface, and the socket body comprises a second fastening device comprising a projecting socket part, wherein the internally located contact surface and the projecting socket part interact to form a point of contact during connection of the lighting body to the socket body, wherein the first and second fastening devices are arranged to interact in the point of contact during connection of the lighting body to the socket body by in a first open position allowing a rotational relative motion between the lighting body and the socket body around the point of contact both in azimuth direction and elevation direction and by the point of contact simultaneously locking a relative motion between the lighting body and the socket body in a longitudinal direction, and wherein the lighting body comprises a first guiding member and the socket body comprises a second guiding member, which first and second guiding member are arranged to interact at least at connection of the lighting body to the socket body in a second open position allowing a relative motion between the lighting body and the socket body only in elevation direction around the point of contact, wherein the second open position is more closed than the first open position.
2. A lighting device according to claim 1, wherein the first guiding member is comprised in the first fastening device and the second guiding member is comprised in the second fastening device.
3. A lighting device according to claim 1, wherein the first and second guiding members are provided at a distance from the first and second fastening devices.
4. A lighting device according to claim 1, wherein the first and second locking members are provided at a distance from the first and second fastening devices.
5. A lighting device according to claim 1, comprising the lighting body which comprises the first locking member, and where the lighting device further comprises the socket body which comprises the second locking member, wherein the first locking member and/or the second locking member consist of a resilient member that allow closing and opening when subjected to a predetermined load.
6. A lighting device according to claim 1, wherein the first guiding member is constituted by a housing having upwardly tapering upper walls, and lower substantially parallel lower walls, wherein the second guiding member is constituted by to the longitudinal direction of the socket body substantially parallel outer surfaces of the socket body, which outer surfaces have upwardly tapering upper outer walls and lower substantially parallel lower outer walls, wherein the first guiding member is adapted to interact with the second guiding member.
7. A lighting device according to claim 1, wherein the housing of the lighting body is made of aluminum or plastic.
8. A lighting device according to claim 1, wherein the first electrical connection comprises an earth terminal, and the second electrical connection comprises a terminal adapted to interact with the earth terminal.
9. A lighting device according to claim 8, wherein the earth terminal is provided closer to the projecting socket part of the socket body than other terminals, so that the earth terminal is connected first of all the contacts at the electrical connection of the lighting body to the socket body, and wherein the second electrical connection comprises a terminal adapted to interact with the earth terminal provided closer to the projecting socket part of the socket body than other terminals.
10. A street lighting system comprising a lighting device according to claim 1 wherein the system comprises a holder arranged against the socket body.
11. A street lighting system according to claim 10, in which the holder further is arranged on a lamp post.
12. A lighting device according to claim 1, further comprising a gripping device, wherein the gripping device is arranged on the lighting body, where the gripping device is intended for a robot to grip at mounting and dismounting of the lighting body to/from the socket body, wherein the gripping device is arranged to allow a rotational relative motion between the lighting body and the robot both in azimuth direction and elevation direction.
13. A lighting device according to claim 1, wherein the internally located contact surface has a rearwardly tapering shape.
14. A lighting device according to claim 1, wherein the projecting socket has a rearwardly pointed shape.
15. A method for assembling a lighting device for outside use comprising a lighting body and a socket body, the lighting body comprising an lighting unit, a first electrical connection and a first locking member, the socket body comprising a second electrical connection and a second locking member, wherein the first and second electrical connections connects to each other in a closed position in order to supply the lighting unit with power and further wherein the first locking member and the second locking member locks and unlocks the lighting body to the socket body in said closed position wherein the lighting body is moved against the socket body wherein the lighting body comprises a first fastening device comprising a rear wall having an internally located contact surface, and the socket body comprises a second fastening device comprising a projecting socket part, wherein the internally located contact surface and the projecting socket part interact to form a point of contact during connection of the lighting body to the socket body, wherein the first and second fastening devices interact in the point of contact during connection of the lighting body to the socket body by in a first open position allowing a rotational relative motion between the lighting body and the socket body around the point of contact both in azimuth direction and elevation direction and by the point of contact simultaneously locking a relative motion between the lighting body and the socket body in a longitudinal direction, wherein the lighting body comprises a first guiding member and the socket body comprises a second guiding member, which first and second guiding members interact at connection of the lighting body to the socket body when the lighting device is moved from a second open position to the closed position by allowing a relative motion between the lighting body and the socket body only in elevation direction around the point of contact, wherein the second open position is more closed than the first open position, the method comprising: placing the lighting body and the socket body into the first open position; placing the lighting body and the socket body into the second open position following the first open position; and placing the lighting body and the socket body into the closed position following the second open position.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) The invention will be described in greater detail in the following, with reference to the figures, wherein
(2) FIG. 1 shows a schematic example of a lighting device according to the invention,
(3) FIG. 2 shows another schematic example of a lighting device according to the invention,
(4) FIG. 3 shows a schematic example of a lighting body viewed obliquely from below according to the invention,
(5) FIG. 4 shows a schematic example of the invention in cross-section from behind,
(6) FIG. 5 shows a schematic example of an inventive lighting body from below,
(7) FIGS. 6, 7, 8, 9, and 10 show schematically a sequence of how an example of a lighting body is arranged on a socket body according to the invention,
(8) FIG. 11 shows a schematic example of a socket body according to the invention, and
(9) FIG. 12 shows another schematic example of a socket body according to the invention.
DETAILED DESCRIPTION OF THE INVENTION
(10) The following described examples of the invention are only to be regarded as examples and should in no way be limiting to the scope of the claims. Thus, the examples are not to be interpreted restrictively. Components may be part of the invention even if not exposed in the following figures.
(11) FIG. 1 shows an example of an inventive lighting device 101, comprising a lighting body 201 and a socket body 301 in cross-section. FIG. 1 shows the lighting body when in a second open position 401, where the first guiding means of the lighting body 201 and a second guiding means of the socket body 301 interact in order to guide the lighting body 201 towards the socket body 301 in elevation direction. Furthermore, FIG. 1 shows how the projecting socket part 501 of the socket body 301 interacts with the internally located contact surface 601 of the lighting body 201 and forms a point of contact around which the lighting body 201 can move in elevation direction relative to the socket body 301.
(12) In FIG. 1, arrows are showing the movement in elevation direction with alfa and movement in longitudinal direction with LL.
(13) FIG. 2 shows another example of an inventive lighting device 102, comprising a lighting body 202 and a socket body 302 in cross-section. FIG. 2 shows the lighting body 202 when in a second open position 402, where the first guiding means of the lighting body 202 and the second guiding means of the socket body 302 interact in order to guide the lighting body 202 towards the socket body 302 in elevation direction. Furthermore, FIG. 2 shows how the projecting socket part 502 of the socket body 302 according to the example interacts with the internally located contact surface 602 of the lighting body 202 and forms a point of contact around which the lighting body 202 can move in elevation direction relative to the socket body 302. Furthermore, the example of FIG. 2 shows how the first electrical connection 702 of the lighting body 202 is about to be connected to a second electrical connection 802 arranged on the socket body 302. In FIG. 2 can also be seen a first locking member 902 arranged on the lighting body 202, in this case in the form of a leaf spring, and a second locking member 1002 arranged on the socket body 302, in this example in the form of a in the socket body arranged recess adapted to interact with the first locking member 902 in order to lock the lighting body 202 to the socket body 302 when the lighting body 202 is in its closed position. This is just an example of how the interacting first and second locking members 902; 1002 may be designed, and an example of how the interacting first and second electrical connections 702; 802 can be designed. Furthermore, FIG. 2 shows how the socket body 302 is arranged on an example of a holder 1102.
(14) FIG. 3 shows an example of an inventive lighting body 203 viewed obliquely from below. In the example of FIG. 3, a first guiding means 1203 with upwardly tapering upper walls 1303 and lower substantially parallel walls 1403 is shown. In the example, the rear wall 1603 of the first fastening device 1503 is further shown. In the example according to FIG. 3, a hook portion 1703 is arranged on the lower part of the rear wall 1603. Furthermore, the hook portion 1703 is placed centrally according to FIG. 3, but the hook portion 1703 may also be in the form of one or several portions, placed centrally or symmetrically on the rear wall 1603, or in the form of a continuous flange. Furthermore, the internally located contact surface 603 is shown above the hook portion 1703.
(15) FIG. 4. shows a cross-section of an example of the lighting device 104 where the lighting body 204 is arranged on the socket body 304. Furthermore, FIG. 4 shows how the first guiding means 1204 of the lighting body 204 comprises upwardly tapering upper walls 1304. In the example of FIG. 4, the lower walls 1404 of the first guiding means are also upwardly tapering, but in another example of the invention, these walls can be substantially parallel. Furthermore, the second guiding means 1804 of the socket body 304 are shown. Said second guiding means 1804 comprises upwardly tapering upper outer walls 1904 and substantially parallel lower outer walls 2004. In the example of FIG. 4, the lower outer walls 2004 of the second guiding means are upwardly tapering, but in another example of the invention, they may also be substantially parallel. The first guiding means 1204 of the lighting body 204 is adapted to fit to the second guiding means 1804 of the socket body 304 so that the upwardly tapering upper outer walls 1904 and the lower outer walls 2004 of the second guiding means 1804 interacts with the upwardly tapering upper walls 1304 and lower walls 1404 of the first guiding means 1204, and thus contributes to guiding the lighting body 204 towards the socket body 304 especially in horizontal direction at least when the lighting body 204 moves from a second open position to a closed position by allowing a relative motion between the lighting body 204 and the socket body 304 only in elevation direction.
(16) In FIG. 4, arrows are showing the movement in azimuth direction by the angle beta . FIG. 5 shows an example of a lighting body 205 seen from below, wherein a first electrical connection 705 is arranged on the lighting body 205. In the example of FIG. 5, the first electrical connection 705 has two terminals, but the first electrical connection 705 may also comprise more terminals depending on which functions the lighting device is equipped with. The first electrical connection 705 is arranged to be able to interact with a second electrical connection, arranged on the socket body.
(17) FIG. 6 shows an example where a lighting body 206 is about to be arranged on a socket body 306, where the socket body 306 further is arranged on a holder 1106. FIG. 6 shows the lighting device 106, with constituent parts, in cross-section.
(18) FIG. 7 shows how the lighting body 206 according to FIG. 6 is about to be arranged in a first open position 2106. At the fitting of the lighting body 206 to the socket body 306 at this stage of the arrangement of the lighting body 206 to the socket body 306, the first fastening device 1506 of the lighting body 206 interacts with the second fastening device 2206 of the socket body 306 so that the lighting body 206 is corrected in lateral and longitudinal direction relative to the socket body 306. FIG. 7 shows the lighting device 106, with constituent parts, in cross-section.
(19) Furthermore, in FIG. 7 can be seen a marked centre line of the lighting body a and a centre line of the socket body b. The distance between the longest distance along the centre line of the lighting body a and the first fastening device 1506 and the longest distance along the centre line of the socket body and the second fastening device 2206 provides a first minimum distance 1a-b.
(20) FIG. 8 shows how the lighting body 206 according to FIG. 6 and FIG. 7 is in a first open position 2106. In this first open position 2106, the internally located contact surface 606 of the lighting body 206 bears against the projecting socket part 506 of the socket body 306, which means that the first fastening device 1506 of the lighting body 206 interacts with the second fastening device 2206 of the socket body 306, which allows a rotational relative motion between the lighting body 206 and the socket body 306 both in azimuth direction and elevation direction and simultaneously locks a relative motion between the lighting body 206 and the socket body 306 in longitudinal direction. FIG. 8 shows the lighting device 106, with constituent parts, in cross-section.
(21) FIG. 9 shows how the lighting body 206 according to FIG. 6, FIG. 7, and FIG. 8 is in a second open position 406. When the lighting body 206 moves from the first open position to the second open position 406, the distance between the lighting body 206 and the socket body 306 being smaller in the second open position 406 than in the first open position, the first guiding means of the lighting body 206 interacts at least with the second guiding means of the socket body 306 as to correct the lighting body 206 in horizontal direction relative to the socket body 306. FIG. 9 shows the lighting device 106, with constituent parts, in cross-section.
(22) Furthermore, in FIG. 9 can be seen a marked centre line of the lighting body a and a centre line of the socket body b. The distance between the longest distance along the centre line of the lighting body a and the first fastening device 1506 and the longest distance along the centre line of the socket body and the second fastening device 2206 provides a second minimum distance 2a-b.
(23) FIG. 10 shows how the lighting body according to FIG. 6, FIG. 7, FIG. 8, and FIG. 9 is in a closed position 2306. Furthermore, FIG. 10 shows how the first electrical connection 706 of the lighting body 206 is connected to the second electrical connection 806 of the socket body, and how the first locking member 906 of the lighting body 206 of this example of the inventive lighting device 106 is interlocked with the second locking member 1006 of the socket body 306 of this example of the inventive lighting device 106. In the example according to FIG. 6, FIG. 7, FIG. 8, FIG. 9, and FIG. 10, the first locking member 906 is in the form of a from the lighting body 206 projecting resilient flange, and the second locking member 1006 is only in the form of a on the socket body 306 situated contact surface which the first locking member may bear against, but also other constructions of the first locking member and the second locking member are possible. FIG. 10 shows the lighting device 106, with constituent parts, in cross-section.
(24) FIG. 11 shows an example of a socket body 307 seen from above, wherein the socket body 307 according to the example is arranged on a holder 1107. Furthermore, FIG. 11 shows an example of the projecting socket part 507 of the socket body 307 and the second electrical connection 807 of the socket body 307. In the example according to FIG. 11, the second electrical connection 807 has two terminals, but the second electrical connection 807 may also comprise more terminals depending on which functions the lighting device is equipped with. The second electrical connection 807 is arranged to be able to interact with a first electrical connection, arranged on the lighting body. It is also shown how the second electrical connection 807 is connected to cables 2407 and that one cable is earthed. In addition, FIG. 11 shows that the socket body 307 has upwardly tapering upper outer walls 2507 and lower outer walls 2607, which are part of the second guiding means 1807 of the socket body 307 exhibited in FIG. 11. In the example according to FIG. 11 are also the lower outer walls 2607 upwardly tapering, but in other examples of the inventive lighting device, these can be substantially parallel.
(25) FIG. 12 shows another example of a socket body 308 seen from above, wherein the socket body 308 according to the example is arranged on a holder 1108. Further, FIG. 12 shows another example of the projecting socket part 508 of the socket body 308 and the second electrical connection 808 of the socket body 308. In the example according to FIG. 12, the second electrical connection has three terminals. In addition, FIG. 12 shows that the socket body 308 has upwardly tapering upper outer walls 2508 and lower outer walls 2608, which are part of the in FIG. 12 exhibited second guiding means 1808 of the socket body 308. In the example according to FIG. 12 are also the lower outer walls 2608 upwardly tapering, but in other examples of the inventive lighting device, these can be substantially parallel.
REFERENCE SIGNS
(26) 101-104, 106 lighting device 201-206 lighting body 301-302, 304, 306-308 socket body 401-402, 406 second open position 501-502, 506-508 projecting socket part 601-603, 606 internally located contact surface 702, 705-706 first electrical connection 802, 806-808 second electrical connection 902, 906 first locking member 1002, 1006 second locking member 1102, 1106-1108 holder 1203-1204 first guiding means 1303-1304 upper walls 1403-1404 lower walls 1503, 1506 first fastening device 1603 rear wall 1703 hook portion 1804, 1807-1808 second guiding means 1904 upper outer walls 2004 lower outer walls 2106 first open position 2206 second fastening device 2306 closed position 2406 cables 2507-2508 upper outer walls 2607-2608 lower outer walls 1a-b first minimum distance a centre line of the lighting body 2a-b second minimum distance b centre line of the socket body
