BE1026081A1 - ENHANCED GASKET LUMINAIRE - Google Patents

Abstract

The invention relates to a luminaire comprising a support pole and a luminaire head arranged vertically above the support pole. The luminaire head comprises: a basic module; an electronic unit which is arranged in or on said base module and which comprises one or more electronic components; an at least partially transparent or translucent housing having an open upper end and an open lower end, and directed upwardly from the base module, said housing and said base module being so designed that the electronic unit can be removed base module through said housing; a removable cap closing the open upper end of said housing; a carrier having a plurality of light sources arranged to emit light through said housing and connected to one or more electronic components of the electronic unit.

Description

IMPROVED BEC-DE-GAZ LIGHT

FIELD OF THE INVENTION

The field of the invention is that of luminaires, and more particularly that of exterior luminaires comprising a support post and a luminaire head. Particular embodiments relate to the field of luminaires having a luminaire head arranged vertically above the support post, and more particularly luminaires with a gas nozzle appearance.

BACKGROUND OF THE INVENTION

Outdoor lighting with a gas appearance is already known. In certain modules of the prior art, the light sources, the driver supplying the light sources and other components are arranged in or on an upper compartment integrated into a cap of the luminaire head. These solutions have the disadvantage of requesting a fairly large hat and ensuring that food is provided at the level of the hat.

In other existing solutions, the light sources are arranged in or on a cap of the luminaire head, and the driver of the light sources is arranged in a lower part of the luminaire head. These solutions offer the advantage that the driver can be easily connected to a power cable in the support post but have the disadvantage that this driver is generally difficult to extract for maintenance.

ABSTRACT

The objective of the embodiments of the invention is to provide a luminaire of the type mentioned in the preamble, allowing rapid and simple assembly and offering easy maintenance while being robust.

According to one aspect of the invention, there is provided a luminaire comprising a support post and a luminaire head arranged vertically above the support post. The luminaire head comprises a basic module, an at least partially transparent or translucent housing, a removable cap, and a support having a plurality of light sources. The base module is attached to the support post and has an open upper end. The electronic unit is arranged in or on the basic module and comprises one or more electronic components. The housing has an open upper end and an open lower end, and is directed upward from the base module. The housing and the base module are designed so that the electronic unit can be removed from the base module through the housing. Hat

BE2018 / 5144 removable closes the open upper end of the housing. The support is provided with a plurality of light sources arranged to emit light through the housing and connected to one or more electronic components of the electronic unit.

Thanks to the removable cap, the arrangement of the electronic unit in or on the base module, and thanks to a design of the housing and the base module making it possible to remove the electronic unit from the base module through said housing, the electronic unit is easy to remove for maintenance operations. In addition, since the electronic unit is arranged in the base module, it can be easily connected to the power cable passing through the support post. Since the hat is not required to carry the one or more electronic components mounted in the electronic unit, it can be relatively compact and light, giving rise to a compact and light luminaire head.

Preferably, the fixture further includes a heat sink designed to remove heat from the support. The heat sink is arranged in contact with the support. The heat sink can be an integral part of one of the other components, eg. ex. hat or base module.

According to an exemplary embodiment, the support provided with the plurality of light sources is arranged on the cap and / or integrated therein. Thus, when an operator removes the hat, he can access the housing and can easily remove the electronic unit by lifting it out of the base module, through the housing, to extract it from the luminaire. Likewise, the cap itself can act, at least in part, as a heat sink, thereby fulfilling the dual function of closure means and heat transfer means. Another element with a heat sink function can optionally be arranged between the support and the cap.

Preferably, the support is a printed circuit board, and the plurality of light sources consist of a plurality of light emitting diodes.

According to an exemplary embodiment, the electronic unit is provided with a handle which is accessible through the housing, at an upper part of the electronic unit. This allows the operator to easily grasp and remove the electronic unit from the luminaire through the housing.

Preferably, the electronic unit comprises a driver designed to power the plurality of light sources, for example an LED driver if the plurality of light sources consists of

BE2018 / 5144 light emitting diodes, and the plurality of light sources is connected to the driver. The same driver can be used to power one or more other electronic components, such as a control member. Alternatively, one or more other drivers can be added to power one or more other electronic components.

According to an exemplary embodiment, the basic module comprises a compartment having an open upper end for receiving the electronic unit. Thus, the electronic unit can be mounted inside the basic module without being visible through the housing when you are under the luminaire and look up. In addition, the compartment can offer a guidance function, improving the positioning of the electronic unit in the luminaire.

According to an exemplary embodiment, the compartment of the basic module has a circumferential wall section, preferably substantially cylindrical, which is provided, on an inner face thereof, with a guide element, the electronic unit being provided with a receiving element intended to receive the guiding element, so that the electronic unit can be aligned in the basic module so as to guarantee its correct positioning. The substantially cylindrical wall section can have a diameter of the order of 150 to 350 mm.

According to an exemplary embodiment, the basic module is provided with a socket connected to an electric cable in the support post, and the electronic unit is provided with electrical pins accommodating in the socket. As a variant, the basic module is provided with electrical pins connected to an electrical cable in the support post, and the electronic unit is provided with a socket intended to receive the electrical pins. Thus, the electrical connection of the electronic unit to a power supply can be carried out by simple introduction of the electrical pins into the socket when the electronic unit is placed in or on the base module.

According to an exemplary embodiment, the housing comprises a substantially cylindrical section. The cylindrical section can be entirely transparent or translucent. The housing may further include an upper connector section attached to an upper terminal end of the cylindrical section. The upper connector section may have fixing means designed to cooperate with paired fixing means of the cap so that the cap can be removably fixed to the upper connector section. Preferably, the fixing means are designed to allow removal without tools of the cap.

The cylindrical section can for example be made of transparent or translucent polycarbonate and have a length of 300 to 700 mm and a diameter of the order of 150 to 350 mm.

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According to an exemplary embodiment, the luminaire comprises at least one cable duct extending, preferably vertically, from the base module to the open upper end of the housing, at least one cable passing through the cable duct to make the connection between one or more electronic components of the electronic unit and the plurality of light sources. For example, one or more hollow rods can be arranged in correspondingly shaped channels present in the basic module, and the housing can surround the one or more hollow rods. Preferably, the one or more cable conduits are arranged near an interior surface of the housing so as not to impede the movement of the electronic unit through the housing when the electronic unit is removed.

In other embodiments, the luminaire comprises at least one rod, preferably at least one hollow rod, extending from the base module to the open upper end of the housing and intended for other functions , eg. to reinforce the robustness of the luminaire, serving as receiving means for receiving means for fixing the cap, etc. For example, one or more rods can be arranged in correspondingly shaped channels present in the base module, and the housing can surround these one or more rods. Preferably, the one or more rods are arranged near an interior surface of the housing so as not to impede the movement of the electronic unit through the housing when the electronic unit is removed.

According to an exemplary embodiment, the hat is connected by a security wire to the housing, so that, when the hat is removed, it can remain hanged during the removal or the introduction of the electronic unit.

According to an exemplary embodiment, the one or more electronic components comprise a driver, a light dimmer, a control member, a device for protection against overvoltage and / or an electrical connection means.

Preferably, the plurality of light sources is arranged on the support in a plurality of rows, each row comprising one or more light sources. In addition, each light source can be provided with a lens element. It is preferably provided one or more lens carrier plates each comprising a plurality of lens elements cooperating with a plurality of corresponding light sources. The luminaire may possibly include other elements for guiding or modifying the light, such as one or more reflective, diffusing or colored elements, for guiding and / or modifying the light coming from the light sources through the housing.

According to an exemplary embodiment, the luminaire further comprises an annular cap forming an annular disc protruding outwardly at an upper end of the housing. This

BE2018 / 5144 type of annular disc serves as a reflector, reflecting the light leaving the housing upwards, in order to redirect the light downwards. This annular disc can be a separate component, arranged between the housing and the cap, or can be an integral part of the cap, or of the housing, making p. ex. integral part of the connection section of the housing.

According to another exemplary embodiment, the support provided with the plurality of light sources is arranged in or on the electronic unit, on the base module, ie. at the bottom or near the bottom of the case. The cap can then be provided with a reflector designed to reflect the light from the plurality of light sources through the housing.

BRIEF DESCRIPTION OF THE FIGURES

The accompanying drawings serve to illustrate presently preferred and non-limiting embodiments of the devices of the present invention. The above advantages, as well as others, of the elements and objectives of the invention will appear more clearly on reading the detailed description below and the invention will be easier to understand read in conjunction with the accompanying drawings, wherein :

FIG. 1A is a schematic illustration of an exploded perspective view of an exemplary embodiment of a luminaire of the invention;

FIG. 1B is a schematic illustration of an exploded perspective view of the base module and of the electronic unit of the luminaire of FIG. 1A;

Figure 1C is a schematic illustration of a perspective view of the fixture of Figure 1A in the assembled state;

FIG. 2A is a schematic illustration of an exploded perspective view of the basic module and of the electronic unit of the luminaire of FIG. 1A, the basic module illustrated being a module in several parts;

Figure 2B is a schematic illustration of a top view of the electronic unit mounted in the base module of Figure 2A;

Figure 2C is a schematic illustration of a section of the electronic unit mounted in the base module of Figure 2A, taken along line 2C-2C of Figure 2B;

FIG. 3A is a schematic illustration of an exploded perspective view of an upper part of the luminaire of FIG. 1A;

FIG. 3B is a schematic illustration of a top view of the cap of the luminaire of FIG. 1A;

FIG. 3C is a schematic illustration of a section of the luminaire in FIG. 1A, along the line 3C-3C in FIG. 3B;

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Figure 4 is an illustration of a schematic perspective view of an exemplary embodiment of an electronic unit;

FIGS. 5A and 5B are schematic illustrations of an assembled and exploded perspective view of an exemplary embodiment of a heat sink cap and a support having light sources and a diffuser;

Figures 6A and 6B are schematic illustrations of an assembled and exploded perspective view of an exemplary embodiment of a heat sink cap and a support having light sources;

FIGS. 7A and 7B are illustrations of a perspective view from above and from below of an upper part of another embodiment of a luminaire head; and

Figure 8 is an illustration of a schematic cross section of another exemplary embodiment of a luminaire.

DESCRIPTION OF THE EMBODIMENTS

Figures 1A-1C, 2A-2C, 3A-3C and 4 are schematic illustrations of a luminaire comprising a support post P and a luminaire head H arranged on the support post, generally vertically above the post support, to create a gas-degas-style luminaire. It will be noted that the support pole can be a vertical pole starting from the ground, but it can also be a bracket fixed to a wall or any other support. For example, one can have a pole having a plurality of brackets each supporting a luminaire head.

The luminaire head H comprises a base module 100, a housing 200 at least partially transparent or translucent, an electronic unit 400, a removable cap 300, and a support 500 having a plurality of light sources 510. The base module 100 is fixed to support post P, p. ex. by a plurality of screws 190. The housing 200 has an open upper end 201 and an open lower end 202, and is directed upwards from the base module 100 in the direction of the cap 300. The housing 200 and the base module 100 are designed so that the electronic unit 400 can be removed from the base module 100 through the housing 200. The removable cap 300 closes the open upper end 201 of the housing 200.

The electronic unit 400 is arranged in or on the base module 100 and comprises one or more electronic components, such as an LED driver 401, a control member 402, a surge protection device 403 such as a varistor, 404 wiring connector, light dimmer (not shown), etc., (see also Figure 4). As a general rule, the electronic unit 400 includes at least the LED driver 401. The other components are

BE2018 / 5144 optional and depend on the desired functionality of the luminaire. One or more components may be surrounded by an insulating sheet 406 ensuring electrical insulation under the overvoltage protection device 403. It will be noted that this is simply an example of electronic components which it is possible to install in the electronic unit 400. Other embodiments may use more or less electronic components, and the components may vary depending on the functionality sought.

The controller 402 can be designed to control the LED driver 401, p. ex. so that the light turns on during the night and goes out during the day. The electronic unit 400 may optionally further include one or more sensors (not shown) designed to determine the ambient conditions, eg. ex. a light detector, and a communication interface (not shown) for communicating wired or wirelessly with other devices.

The base module 100 is provided with a socket 120 connected to an electric cable (not shown) in the support post P, as is best seen in FIG. 2A, and the electronic unit 400 is provided with pins electric 420 housed in the socket 120. The electric pins 420 can be the knives of a male part 405 of a disconnection device, also called knife switch, see FIG. 4, and the socket 120 can be a female part of the device logout.

The support 500 provided with the plurality of light sources 510 is arranged to emit light through the housing 200 and is connected to one or more electronic components 401, 402, 403, 404 of the electronic unit 400. In the mode of embodiment illustrated in FIGS. 1A-1C, the support 500 provided with the plurality of light sources 510 is arranged on the cap 300.

The luminaire head H further comprises a heat sink 600 constituted by the cap 300 and an additional heat sink element 610 attached to the cap 300 (see also FIGS. 5A, 5B, 6A, 6B). The support 500 is directly attached to the additional heat sink element 610.

The electronic unit 400 is provided with a handle 410 which is accessible through the housing 200, at the level of an upper part of the electronic unit 400, as is best shown in FIGS. 1B, 1C and the Figure 4. The electronic unit 400 comprises a frame having a bottom 411, two uprights 412, 413 and the handle 410. The bottom 411 of the frame carries the electronic components and the like 401, 402, 403, 404, 405, 406.

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The basic module 100 comprises a compartment 180 having an open upper end 181 for receiving the electronic unit 400. The compartment 180 is delimited by a circumferential wall section 185 which is provided, on an inner face thereof, with a number of guide elements 130, 130 ', here in the form of one or more vertical ribs running along the interior surface of the compartment 180. The electronic unit 400 is provided with reception elements 430, 430' intended for receiving the guide elements 130, 130 ′, enabling the electronic unit 400 to be aligned in the base module 100 so as to guarantee its correct positioning. The receiving elements 430, 430 'are formed by slots made in the uprights 412, 413 of the frame of the electronic unit 400. The slots 430, 430' may have a different width depending on the different widths of the ribs 130, 130 ' , allowing the electronic unit 400 to be systematically placed in its correct mounting position.

The base module 100 comprises a lower part 100a, generally made of metal and preferably die-cast, and an upper part 100b intended to contain the electronic unit 400. The lower part 100a is intended to be connected to the support post P. The upper part 100b delimits the compartment 180 with the open upper end 181 through which the electronic unit 400 can be arranged in its mounting position.

The luminaire head H further comprises at least one cable duct 210 (see FIG. 1A and FIG. 3C) extending vertically from the base module 100 to the open upper end 201 of the housing 200, at least one cable (not shown) passing through the cable duct 210 to make the connection between one or more electronic components, generally the LED driver 401 of the electronic unit 400, and the plurality of light sources 510. The one or more ducts of cable 210 may consist of one or more hollow rods arranged near an interior surface of the housing 200. The lower end of the one or more hollow rods 210 may be arranged in one or more grooves of corresponding shape 110. The one or several hollow rods 210 can be fixed by screws 211 passing through holes 151 'in the lower part 100a (see also FIG. 3C). The lower part 100a can optionally be provided with a ventilation hole 151. Other openings 153, 153 ′ can optionally be provided in the lower part 100a for mounting one or more sensors, p. ex. a motion detector such as a passive infrared detector. In addition, an inner surface of the lower part 100a can be provided with bosses 163 in relief inwards intended to cooperate with screws making it possible to fix the socket 120 to the lower part 100a. In addition, the lower part 100a may include a cable gland 170 used to fix a power cable C going from the support post P to the luminaire head H.

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In the illustrated embodiment, the housing comprises a transparent cylindrical section 230 and a connector section 220 fixed to an upper end end of the transparent cylindrical section 230. The connector section 220 is provided with fixing means 221, 222 designed to cooperate with paired fixing means 321, 322 of the cap 300. In the illustrated embodiments, the fixing means 221, 222 are constituted by tabs with spring designed to fit elastically into openings 321, 322 of the cap 300 (see also FIGS. 5B and 6B). Two spring tabs 221, 222 are provided by opening 321, 322, thus making it possible to easily remove the cap 300 by tightening the two tabs one against the other. It will be noted that many other fixing means are possible without departing from the scope of the invention, as will be known to those skilled in the art.

The cap 300 is connected by a security wire 310 to the housing 200 allowing it to remain hung during the withdrawal or the introduction of the electronic unit 400. In the illustrated embodiment, the security wire 310 is attached to the section connection 220 of housing 200.

Preferably, the plurality of light sources 510 is arranged on the support in a plurality of rows, each row comprising one or more light sources 510 (see FIGS. 4A, 4B, 5A and 5B). In addition, each light source 510 may be provided with a lens element 521. There is preferably provided one or more lens support plates 520, each lens support plate 520 comprising a plurality of lens elements 521 cooperating with a plurality of corresponding 510 light sources. The luminaire head H may possibly include one or more other light guiding elements 530 for guiding the light coming from the light sources 510 through the housing 200. In the embodiment illustrated in FIGS. 5A and 5B, the element light guide 530 is a diffuser, generally designed to diffuse, distribute or disperse the light emitted in order to obtain a softer light.

Figures 7A and 7B are illustrations of another exemplary embodiment of a luminaire head further comprising an annular cap 700 forming an annular disc protruding outwardly at an upper end of the housing 200. This type of disc annular serves as a reflector, reflecting the light leaving the housing 200 upwards, in order to redirect the light downwards. This annular disc 200 may be a separate component, arranged between the housing 200 and the cap 300, or may be an integral part of the cap 300, or may be an integral part of the housing 200, making p. ex. integral part of the connection section 220 of the housing 200.

According to another exemplary embodiment illustrated in FIG. 8, the support 500 provided with the plurality of light sources 510 is arranged in or on the electronic unit 400 which is arranged

BE2018 / 5144 in or on the base module 100, i.e. at the bottom or near the bottom of the housing 200. The cap 300 can then be provided with a reflector 540 designed to reflect the light coming from the plurality of light sources 510 through the housing 200. In FIG. 8, the various components of the luminaire head H are illustrated very schematically, but those skilled in the art will understand that they can be endowed with the same characteristics as those described above relative to the other embodiments. For example, the electronic unit 400 can be provided with a handle, preferably arranged next to the support 500 so as not to obstruct the light emitted by the light sources 510. In this embodiment, the heat sink 600 can be integrated into the frame of the electronic unit 400, and the heat sink 600 can be arranged so as to be in contact with the base module 100 to dissipate the heat from the luminaire head H.

In the embodiments illustrated in the figures, thanks to the removable cap 300, to the arrangement of the electronic unit 400 in or on the base module 100, and thanks to a design of the housing 200 and of the base module 100 allowing removing the electronic unit 400 from the base module 100 through said housing 200, the operator can easily remove the electronic unit 400 for maintenance. Indeed, the operator can remove the cap 300, preferably without tools because of the presence of suitable fixing means between the cap 300 and the housing 200, said cap being able to hang next to the housing thanks to the safety wire 310. Then, the operator can remove the electronic unit 400 through the housing 200, the electrical disconnection preferably being done very simply due to the socket / pin arrangement. In addition, since the cap 300 is not required to carry the one or more electronic components 401, 402, etc. mounted in the electronic unit 400, the cap 300 can be relatively compact and light, giving rise to a compact and light luminaire head H.

Those skilled in the art will understand that many variations and modifications can be made without departing from the spirit of the invention, which is determined by the claims below.

Claims (19)

1. A luminaire comprising a support post (P) and a luminaire head (H) arranged vertically above the support post; said luminaire head comprising: a base module (100) attached to the support post; an electronic unit (400) which is arranged in or on said base module and which comprises one or more electronic components (401, 402, 403, 404); an at least partially transparent or translucent housing (200) having an open upper end (201) and an open lower end (202), and directed upward from the base module, said housing (200) and said base module (100) being designed so that the electronic unit (400) can be removed from the base module through said housing; a removable cap (300) closing the open upper end (201) of said housing; a support (500) having a plurality of light sources (510) arranged to emit light through said housing (200) and connected to one or more electronic components of the electronic unit. 2. Luminaire according to claim 1, in which the support (500) provided with the plurality of light sources is arranged on the cap (300) and / or integrated therein. 3. Luminaire according to claim 1 or 2, wherein the electronic unit is provided with a handle (410) which is accessible through the housing (200), at an upper part of the electronic unit (400 ). 4. Luminaire according to any one of the preceding claims, in which the basic module comprises a compartment (180) having an open upper end (181) for receiving the electronic unit. 5. Luminaire according to any one of the preceding claims, in which the electronic unit comprises a driver (401) designed to supply the plurality of light sources, said plurality of light sources being connected to the driver. 6. A luminaire according to the preceding claim, in which the compartment is delimited by a circumferential wall section (185) which is provided, on an inner face thereof, with a guide element (130, 130 ′), and wherein the electronic unit is provided with a receiving element (430, 430 ') for receiving the guide element, BE2018 / 5144 so that the electronic unit can be aligned in the basic module (100) so as to guarantee its correct positioning. 7. A luminaire according to any one of the preceding claims, further comprising a heat sink (600) which is arranged on the cap (300) and / or integrated therein. 8. Luminaire according to any one of the preceding claims, in which the basic module (100) is provided with a socket (120) connected to an electric cable in the support post (P), and in which the unit electronics (400) is provided with electrical pins (420) housed in the socket (320); or in which the base module (100) is provided with electrical pins connected to an electrical cable in the support post (P), the electronic unit (400) being provided with a socket intended to receive the electrical pins. 9. Luminaire according to any one of the preceding claims, in which the housing (200) comprises a substantially cylindrical section (230), preferably a substantially cylindrical section (230) transparent or translucent. 10. Luminaire according to the preceding claim, wherein the housing (200) comprises an upper connection section (220) fixed to an upper terminal end of the cylindrical section (230). 11. Luminaire according to the preceding claim, in which the upper connection section (220) is provided with fixing means (221, 222) designed to cooperate with paired fixing means (321, 322) of the cap (300) so the cap can be removably attached to the upper connector section (220). 12. Luminaire according to any one of the preceding claims, in which the luminaire comprises at least one cable duct (210) extending vertically from the base module (100) to the open upper end (201) the housing (200), in which at least one cable passes through the cable duct to make the connection between one or more electronic components of the electronic unit, preferably at least one driver designed to power the plurality of light sources, and the plurality of light sources. 13. A luminaire according to the preceding claim, in which the base module has at least one channel (110) intended to receive at least one cable duct (210). BE2018 / 5144 14. Luminaire according to any one of the preceding claims, in which the luminaire comprises at least one rod, preferably at least one hollow rod, extending from the base module to the open upper end of the housing, said at least one rod preferably being arranged in at least one channel of corresponding shape present in the base module, the housing enveloping the at least one rod. 15. Luminaire according to any one of the preceding claims, in which the cap is connected by a safety wire (310) to the housing, so that, when the cap is removed, it can remain hanged during removal or introduction. of the electronic unit. 16. Luminaire according to any one of the preceding claims, in which the one or more electronic components (401, 402, 403, 404) comprise a driver, a light dimmer, a control member, a surge protection device. and / or a means of electrical connection. 17. Luminaire according to any one of the preceding claims, in which the support provided with the plurality of light sources is arranged on or in the electronic unit, the cap being provided with a reflector (540) designed to reflect the light emitted. of the plurality of light sources. 18. A luminaire according to any one of the preceding claims, further comprising an annular cap (700) forming an annular disc protruding outwardly at an upper end of the housing. 19. Electronic unit able to be used in a luminaire according to any one of the preceding claims.