WO2009091233A1 - High-power directional led light fitting - Google Patents

Abstract

The present invention relates to a light fitting that operates with high-power LEDs, characterized in that said light fitting has a frame manufactured entirely from aluminium, which has the effect of dissipating heat from the structure thereof, and that has two rails over which are placed two, four or more pairs of aluminium dissipator modules, according to power requirements, on which the high-power LED PCB boards are fitted in arrangements of 28 or more, which are able to rotate inside the rails of the structure in order to be oriented sideways, in accordance with lighting requirements and that, furthermore, dissipate the heat generated in order to extend the life of the LEDs. The high-power LED light fitting has a power source that receives the supply current and conditions same in order to supply the LED boards with direct current, said boards also having a sealed polycarbonate lens for protection thereof and at the same time for increasing and directing the light generated thereby; lastly, the high-power LED light fitting has a planar polycarbonate cover and an arm for coupling to the orientable lamppost, which enables the lamp to be rotated forwards or backwards in order to accommodate different lighting requirements.

Description

 "LUMINARY LEDS OF HIGH DIRECTIONAL POWER"

TECHNICAL FIELD

The present invention has its field of technician in electricity and mechanics since it provides a new luminaire that can be oriented in different positions and that works with high power LEDs, used mainly in industrial and public lighting systems.

BACKGROUND OF THE INVENTION

As is known, the current technology for public or industrial lighting mainly uses sodium vapor in its devices, which has considerably reduced the consumption of electrical energy with respect to incandescence, although it is worth mentioning that quality in the light has been lost since this is yellowish and visually poor. That is why in recent years LED lamps have been developed that emit white light and use gallium and phosphorus (white high power LEDs). Some examples of patents of lamps and luminaires that work with LEDs are: JP 20010248020; JP 20010248019; JP 20030086591; JP 19960292469; JP 20040115720; JP 20010253738; EP 20040008529; ES U200501645 as well as WO2006127785 A2; but without a doubt the most important examples are my patents filed in Mexico under the number PCT / MX2007 / 000001 on January 8 and PCT / MX2007 / 000012 filed on February 12, 2007 of which I present a substantial improvement in this document . All of them are identified because they have different types of frames or housings and square or polar arrangements of LEDs, which, when mounted on electronic cards, can form modules, use various designs of reflective surfaces of the light emitted by the LEDs, have optical systems, lenses or different types of reflectors to distribute the light more broadly, heat diffusers and temperature regulators are also used and although they fulfill their mission they are usually too cumbersome and expensive. But nevertheless All the technology described above suffers from adequate and economical heat dissipation which irreversibly damages the useful life of the LEDs. In addition, the means used for the distribution of the light emitted by the LEDs are in most cases lenses, reflectors or optical systems that only vary in design, these systems are not orientable in different directions to adapt to various lighting requirements.

On the other hand, in most of these cases, high-power LEDs have also not been used which emit a luminous flux considerably greater than traditional LEDs.

In addition there is a primary need in energy saving, which with this system can be up to 80% savings compared to current sodium vapor. Starting from the fact that a large percentage of our electrical energy comes from the combustion of fossil fuels, there is an urgent need to reduce it to stop the greenhouse effect that causes global warming today.

DETAILED DESCRIPTION OF THE INVENTION

The characteristic details of the high power LED luminaire are clearly shown in the following description and in the attached figures, where substantial improvements to my previous models of my PCT / MX2007 / 000001 patents filed on January 8, 2007 and PCT / MX2007 / 000012 presented on February 12, 2007, as well as - an illustration of those, following the same references to indicate the improved parts, which are mentioned by way of example and should not be considered as limiting to The present invention.

Description of the figures:

Figure 1 illustrates an explosive perspective view of the high power LED luminaire Figure 2 is a top view of the assembled high power LED luminaire. Figure 3 illustrates a perspective view of the assembled high power LED luminaire. Figure 4 is a left side view, the right view of the assembled high power LED luminaire being substantially equal. Figure 5 illustrates a front view of the assembled high power LED luminaire.

Figure 6 is a top view of the frame of the high power LED luminaire which is formed with two equal symmetrical parts.

Figure 7 illustrates a perspective view of the frame of the high power LED luminaire. Figure 8 is a side view of the frame of the high power LED luminaire. Figure 9 illustrates a front view of the frame of the high power LED luminaire. Figure 10 illustrates a top view of the adjustable heatsink module that serves as the basis for the LEDs in the high power LED luminaire. Figure 11 is a perspective view of the adjustable heatsink module of the high power LED luminaire.

Figure 12 is a front view of the adjustable heatsink module of the high power LED luminaire. Figure 13 illustrates a side view of the adjustable heatsink module of the high power LED luminaire. Figure 14 is a top view of the aluminum PCB tablet with high power LEDs of the luminaire. Figure 15 is a perspective view of the aluminum PCB tablet with high power LEDs of the luminaire.

Figure 16 is a front view of the aluminum PCB tablet with high power LEDs of the luminaire.

Figure 17 is a top view of the polycarbonate lens of the high power LED luminaire. Figure 18 illustrates a perspective view of the polycarbonate lens of the high power LED luminaire. Figure 19 is a side view of the polycarbonate lens of the high power LED luminaire. Figure 20 illustrates a front view of the polycarbonate lens of the high power LED luminaire. Figure 21 is a top view of the sealing gasket for the lens of the high power LED luminaire.

Figure 22 illustrates a perspective view of the sealing gasket for the lens of the high power LED luminaire.

Figure 23 is a perspective view of the connecting rod of the frame of the high power LED luminaire. Figure 24 illustrates a side and front view of the connecting rod of the frame of the high power LED luminaire. Figure 25 illustrates a top view of the power source of the high power LED luminaire. Figure 26 is a perspective view of the power source of the high power LED luminaire.

Figure 27 is a front view of the power source of the high power LED luminaire.

Figure 28 illustrates a side view of the power source of the high power LED luminaire. Figure 29 illustrates top, front, side and perspective views of the front cover of the high power LED luminaire. Figure 30 illustrates top, front, side and perspective views of the rear cover of the high power LED luminaire. Figure 31 illustrates a top view of the arm coupler tube and perspective views of the same tube and the support tube of the high power LED luminaire. Figure 32 illustrates a perspective view of the bases of the type I and type II supports and the arm adjustment support of the high power LED luminaire. Figure 33 is a top and perspective view of the fixing support of the power source of the high power LED luminaire. Figure 34 illustrates perspective, front and side views of the clamping profile of

The transparent cover of the high power LED luminaire. Figure 35 is a perspective view of the transparent cover of the high power LED luminaire.

With reference to said figures, the high power LED luminaire consists of:

a) an aluminum frame formed by two symmetrical pieces (1), joined by two rods (3) with semicircular terminations that are inserted along the guide grooves (25) of the frame and that are fixed with a screw that crosses the frame through the holes (22) of the frame and the past holes (43) of the rods, passing through the support tube (7) of the luminaire through its threaded holes (50). The structure of the frame being made of aluminum and having contact with the modules also functions as a heat sink on its entire surface and has openings (23) in its structure to allow ventilation through the hollow space (27). This frame has semicircular rails (24) where the adjustable dissipating modules (6) are assembled under pressure which are turned inside the rail and fixed in a certain position by means of an internal rail (26) that fits into the notches of positioning (35) of the heatsink module that supports the LEDs. The frame can support

b) two, four or six adjustable heatsink modules (6) in pairs, depending on the luminous flux required for each application, which are used to dissipate the heat generated by high power LEDs, are made of aluminum and have a semicircular axis

(28) which is assembled under pressure within the rails of the frame (24). The modules have aluminum fins (29) that increase the heat dissipating surface, spaces that allow the passage of air to accelerate the dissipation, and a rectangular face where four rectangular bases (30) are aligned on which the c) led PCB tablets (15) are mounted, which are formed by a rectangular aluminum card on which the LEDs (37) and welded on a series circuit printed on the electronic tablet are mounted, and the LEDs (37) can be placed in arrangements of 28 LEDs or more, depending on the power of The luminaire. The tablet has a larger perforation (36) through which the direct current power cables (21) from the power source to connect to the card pass, and with 6 minor perforations to be fixed with screws to the respective perforations ( 33) of the adjustable heatsink modules (6)

d) a polycarbonate lens (12) that is placed together with a sealing gasket (16) on the LED PCB tablet and that has the function of protecting the LEDs, and serving to distribute the light generated according to the lighting needs, so that the design and shape of its upper part may vary to adapt to those needs. The lens has posts (41) that fit in the perforations (42) of the sealing gasket (16) and in the perforations (34) of the heatsink module (6). The lens assembly is placed with screws that pass through the perforations of the lens (39) and through the perforations of the package (43) and are screwed into the holes (31) of the adjustable heatsink module, leaving the tablet protected from water and dust from the medium ambient.

e) An electronic power source (12) of automatic "switching", which receives the AC power supply of the line through the input cables (19) and conditions it to adapt it to the direct current voltage required by the LEDs through the power cables (21) that go to the LED PCB board (15) and that are connected to the terminals (20) of the power source. The source is assembled to a coupling of aluminum (14) by means of screws that pass through the perforations

(55) of the coupling and are fixed in the holes (45) of the source. This is assembled in the aluminum frame (1) under pressure by means of the coupling hooks (56) that are introduced in the semicircular rails (24) of the aluminum frame (1) to fix the power source to the structure of The luminaire.

f) Front (29) and rear (30) molded aluminum covers that close the frames (1) of the luminaire, assembling its eyebrow (49) under pressure on the same frames. The front cover has perforations (48) for the passage of air, and the rear cover with an opening (47) to assemble the

g) arm of the luminaire, which is formed by a coupling tube (8), which has two threaded holes (51) that serve to fix the luminaire to the arm of the lighting post with oppressors, a support tube ( 7) inserted in the frame of the light fitting (1) for the opening (47) of the rear cover, and an adjustment assembly formed ^'by two circular pieces of type II (10) support falling within the coupling tube (8) and in which two aluminum adjustment brackets (11) are assembled under pressure inside the grooves (54). In turn, two circular support pieces type I (9) are assembled in the support tube (7) into which an adjustment support (11) is coupled in the groove (54) so that it is inserted into the two adjustment brackets

(11) of the coupling tube (8) and are fixed with a bolt and nut through the perforations of the supports (52) to be able to orient the entire luminaire towards any desired angle also in the longitudinal direction once installed on a post lighting; The power cable passes through the arm through the holes (53) in it. h) A protective polycarbonate cover (2) for the luminaire that is assembled in the lower part by means of four PVC profiles (18) that have a rail to slide the cover and that are attached to the luminaire's frame.

Main advantages of the high power LED luminaire:

S Low electricity consumption of up to 80% less compared to the consumption of sodium vapor luminaires, metal additives or any other current lighting system.

S High heat dissipation, due to its structure made entirely of aluminum and with a design that maximizes the dissipation surface and allows air circulation to extend the life of the LEDs. S Long life in the LEDs, more than 100,000 hours of operation. S Possibility of orienting the LED modules towards the lateral directions of

The luminaire, as well as the same complete luminaire in a longitudinal direction to give direction to the emitted light and adapt to different lighting needs.

S It emits white light of better quality than the poor yellow light used by sodium vapor luminaires today.

S Flexibility to integrate two, four or six LED modules according to the lighting needs with up to 3,000 lumens per module. S Easy assembly and production by having few assembly elements and a reduced number of screws. V High efficiency in relation to its power and luminosity (80 lumen / watt approx.).

S Possibility of installing a greater number of LEDs of different characteristics and colors, increasing or decreasing the number of lumens. V Ease and low maintenance cost. By not emitting infrared or ultraviolet rays, it does not attract insects. Its design is prepared for the installation of new generations of LEDs that will be 200 lumen / watt.

Claims

CLAIMS Having described my invention sufficiently, I consider it as a novelty and therefore as much as my exclusive property, the content of the following clauses: 1.- High power LED luminaire that is formed by an aluminum frame comprised of two symmetrical pieces joined by two rods with semicircular terminations that are inserted along guide slots in the frame and fixed with a screw that it crosses the frame through the holes of the frame and those of the rods, passing through the support tube of the luminaire through its threaded holes and one or several pairs of adjustable dissipating modules assembled to the frame and supporting the leds The high-power LED luminaire is characterized in that the structure of its frame is made of aluminum and having contact with the modules also functions as a heat sink on its entire surface and has openings in its structure to allow ventilation through the hollow space This frame has semicircular rails where the adjustable dissipating modules are assembled under pressure where the LEDs are mounted, which are turned inside the rail and fixed in a certain position by means of an internal rail that fits in the module positioning notches heatsink that supports the LEDs to orient towards any required position between -10 ° and 20 ° opening sideways on the horizontal. The frame can support two, four or more pairs of adjustable heatsink modules, depending on the luminous flux that is required for each application, which are used to dissipate the heat generated by high power LEDs, are made of aluminum and have a semicircular shaft that is assembled under pressure within the rails of the frame already mentioned. The modules have aluminum fins that increase the heat dissipating surface, spaces that allow the passage of air to accelerate the dissipation, and a rectangular face where four rectangular bases are aligned on which the LED PCB tablets, which are formed by a rectangular aluminum card on which the LEDs and soldiers are mounted on a series circuit printed on the electronic tablet, and the LEDs can be placed in arrangements of 28 LEDs or more, depending on The required presence of the luminaire. The tablet has a larger perforation through which the direct current power cables from the power source to connect to the card pass, and with 6 minor perforations to be fixed with screws to the respective perforations of the orientable dissipating modules, a Polycarbonate lens that is placed together with a sealing gasket on the LED PCB tablet and that has the function of protecting the LEDs, and serving to distribute the light generated according to the lighting needs, so that the design and shape of its upper part may vary to suit those needs. The lens has posts that fit in the perforations of the sealing gasket and in the perforations of the heatsink module. The lens assembly is placed with screws that pass through the perforations thereof and through the perforations of the package and are screwed to the perforations of the adjustable heatsink module, the tablet being protected from water and dust from the environment. The luminaire is also characterized in that it has an automatic electronic switching power source, which receives the power supply of the line through the input cables and conditions it to adapt it to the direct current voltage required by the LEDs through of the power cables that go to the LED PCB card and that in turn connect to the terminals of the power source. The source is assembled to an aluminum coupling by means of screws that pass through the perforations of the coupling and are screwed into the holes of the source. This is assembled in the aluminum frame under pressure by means of the coupling hooks that are introduced in the semicircular rails of the aluminum frame to fix the power source to the structure of the luminaire. The luminaire is closed on its front panels by means of front and rear covers molded in aluminum that close the frames of the luminaire, assembling its eyebrow under pressure on the same frames. The front cover has perforations for the passage of air, and the lid ^« Rear with an opening to assemble the arm of the luminaire, which is formed by a coupling tube, which has two threaded holes that serve to fix the luminaire to the arm of the lighting post with oppressors, a support tube that is introduced into the frame of The luminaire through the opening of the rear cover, and an adjustment assembly formed by two circular support pieces that enter into the coupling tube and in which two aluminum adjustment brackets are assembled under pressure. In turn, two circular support pieces are assembled into the support tube into which an adjustment support is coupled so that it is inserted into the two adjustment supports of the coupling tube and fixed with a bolt and nut to through the perforations of the supports to be able to orient the entire luminaire as a patella towards any angle between -90 ° and 90 ° in the longitudinal direction once installed in a lighting post according to the needs, although the luminaire can be installed also without this arm; and finally, the luminaire is characterized by having a protective polycarbonate cover for the luminaire that is assembled in the lower part by means of four PVC profiles that have a rail to slide the cover and that are attached to the frame of the luminary. 2.- Luminaire of high power LEDs according to clause 1, characterized in that the number and arrangement of the dissipating modules, light amplifying lenses and high power LEDs vary according to the needs of the users.