Background technology
Light emitting diode is as a kind of emerging third generation light source, though can't replace traditional incandescent lamp on a large scale now, it has advantages such as long working life, energy-saving and environmental protection, and generally good by market.And the module of being made up of light emitting diode at present can produce light source high-power, high brightness, thus will be widely, revolutionaryly replace traditional conventional lighting sources such as incandescent lamp, and then become the main light source that meets the energy-conserving and environment-protective theme.
Along with the power of light emitting diode or its module, the increase of brightness, the heat of its generation is also increasing, if can not properly settle the heating problem of light emitting diode, then the working life of led lamp will be had a strong impact on.Therefore current led lamp commonly used is that street lamp, Lawn lamp or indoor illumination all need be provided with radiator structure and solve its heat dissipation problem, and they are normally by supporting or the mode of suspension installs and fixes.Yet these led lamps commonly used are a kind of mounting means during street lamp, Lawn lamp or indoor illumination all can only be supported to hang or support usually, can't be suitable for two kinds of mounting means, so in use occasion, receive certain restriction.
The specific embodiment
Please refer to Fig. 1-4; Led lamp in the first preferred embodiment of the invention is used to indoor and more outdoor specific occasions comprehensive large-area houselights is provided, this led lamp comprises one first radiator 10, foldedly be located at one second radiator 20 on first radiator 10, be sticked some light emitting diode module 30 of first radiator, 10 bottom surfaces, be fixed on middle part, first radiator, 10 bottom surfaces a connection piece 40, be fixed on first radiator, 10 bottom surfaces and be covered with a lampshade 50 of said light emitting diode module 30 and be used to install and fix a lamp socket 60 of led lamp.
Please consult Fig. 2 and Fig. 4 especially, above-mentioned first radiator 10 is integrally formed by heat conductivility good material such as aluminium, copper etc., and it comprises the some radiating fins 14 that form on the base plate 12 that is annular and the base plate 12.A manhole 120 is offered at these base plate 12 centers, and the inner edge of this through hole 120 evenly is provided with plurality of fixed post 122, and these fixed leg 122 tops offer with screw (figure does not show) and cooperate a screw 1220 of fixing with second radiator 20.These base plate 12 outer peripheral edges protrude out the annular lip 124 that formation one combines with lampshade 50 downwards; These flange 124 bottom surfaces offer some combined holes 1240 symmetrically, to combine with the screw that passes lampshade 50 (figure does not show) and lampshade 50 is fixed on first radiator 10.This base plate 12 convexes with some bar shaped installation portions 126 downwards near the bottom surface at flange 124 places; Said installation portion 126 radially is radial extension and symmetrical about center, base plate 12 center of circle along base plate 12; Its bottom surface is that a smooth plane is sticked for light emitting diode module 30; And installation portion 126 bottom surfaces tilt with respect to the axis of base plate 12 a little, and its bottom surface is high than the other end near an end in base plate 12 centers of circle, thereby make outside the light emitting diode module 30 that is installed on the installation portion 126 is tilted to.
Above-mentioned second radiator 20 is integrally formed by heat conductivility good material such as aluminium, copper etc., and it comprises some fin 24 of arranging on a substrate 22 and the substrate 22.This substrate 22 is rounded; Its size is the port of these first radiator, 10 central through holes 120 of capping just in time; This substrate 22 offers the some open-works 220 corresponding with the screw of first radiator 10 1220 near peripheral region, passes for screw (figure does not show) to cooperate with the screw 1220 of first radiator 10 and second radiator 20 is fixed to the middle upper part of first radiator 10.
The quantity of above-mentioned light emitting diode module 30 equates with the quantity of first radiator, 10 bottom surface installation portions 126; Each light emitting diode module 30 is sticked on a corresponding installation portion 126, each light emitting diode module 30 comprise one with installation portion 126 shape corresponding strip circuit boards 32 be installed in the some light emitting diodes 34 on this circuit board 32.
Above-mentioned connector 40 has an annular plate body 42, and a circular hole 420 is offered at plate body 42 centers, and these circular hole 420 inner edges are extended with tube wall 423 vertically downward, evenly are provided with plurality of fixed post 424 on this tube wall 423, and these fixed leg 424 bottoms offer screw 4240.The through hole 120 of this circular hole 420 sizes and first radiator 10 big or small consistent; These plate body 42 end faces are smooth; Fix on the bottom surface of these first radiator, 10 base plates 12 and to be sticked, make fixed leg 424 tops and the corresponding connection in the bottom of the fixed leg 122 of first radiator 10 of this connector 40 simultaneously through modes such as welding.This nearly peripheral region in plate body 42 bottom surfaces is convexly equipped with an annular downwards and accepts edge 426, accepts and offers some mating holes 4260 on the edge 426.
Above-mentioned lampshade 50 is one-body molded by material transparent such as glass or resin etc., and it has the combination edge 54 that combines edge 52 outside, is positioned at outer combination edge 52 is connected combination of inner and outside edge 52,54 with one the portion that is covered with 56.This combination of inner and outside edge 52,54 is two donuts; The size that should outer combine edge 52 just in time correspondence is sticked on first radiator, 10 annular lip 124, and combines edge 52 correspondences to offer outward to supply screw (figure does not show) to pass and some open-works 520 of screwing togather with combined hole 1240 on first radiator, 10 annular lip 124.Should interiorly combine to offer some open-works 540 symmetrically on the edge 54; And its size and connector 40 to accept edge 426 consistent; Just in time suitably will accept edge 54 and accept on it, and use screw (figure does not show) to pass open-work 540 again and screw togather and connector 40 is fixed with the mating holes of accepting on the edge 540 4260.This is covered with the downward convex curved of portion 56 and connects these combination of inner and outside edge 54,52, and it forms a cross section at this combination of inner and outside edge 54, between 52 be that the annular of V-arrangement is covered with the space.
Above-mentioned Connection Block 60 comprises that one is bowl-shape bowl body 62 and the downward extended hollow tube 64 from this bowl body 62 bottoms.The size of this bowl body 62 openings just in time engages with the bottom nozzle of the tube wall 423 of connector 40; The inwall of this bowl body 62 is provided with four vertical fixed legs 622 symmetrically; This fixed leg 622 is parallel with the central axis of bowl body 62 and offer the perforation 6220 of up/down perforation in it; Screw 4240 for bottom-up the passing of screw (figure does not show) with connector 40 fixed legs 424 bottoms screws togather; Thereby Connection Block 60 and connector 40 are locked together, and can place an electron rectifier 100 in the space that surrounds jointly of the through hole 120 of the circular hole 420 of this bowl body 62 and connector 40 and first radiator 10.This bowl body 62 bottom centre offer a through hole 624, and this through hole 624 is used to supply lead to pass and is connected with Connection Block 10 interior electron rectifiers 100.This body 64 extends from medium positions of bowl body 62 bottoms straight down, is used for an end and the fixing whole led lamp of a sheathed fixed bar (figure does not show).
Please consult Fig. 1 and 3 in the lump; Above-mentioned led lamp is when assembled state; The open-work 220 that screw passes second radiator 20 cooperates with the screw on first radiator, 10 fixed legs, 122 tops, and fixing and lid is located on the port of first radiator, 10 through holes 120 with second radiator 20; Light emitting diode module 30 is sticked respectively on the installation portion 126 of these first radiator, 10 bottom surfaces; Connector 42 end faces engage with first radiator, 10 bottom surfaces through modes such as welding, and their fixed leg 122 and 424 is also corresponding to engage; Screw passes the open-work 540,520 of lampshade 50 combination of inner and outside edge 54,52 respectively and screws togather with the mating holes 4260 of corresponding connector 40 and the screw 1240 of first radiator 10, lampshade 50 be fixed in first radiator, 10 bottom surfaces and cover all light emitting diode module 30; The opening of 60 bowls of bodies 62 of Connection Block engages with connector 40 tube walls 423 lower port and screw passes the perforation 6220 of Connection Block 60 and the screw 4240 of connector 40 screws togather, and Connection Block 60 and connector 40 are linked together.In addition; Between each element, can also press from both sides the water element of setting up defences to strengthen airtightness of lamps; Prevent that rainwater from immersing and damage light emitting diode module 30 and other electronic component, establish a waterproof washer 200 like folder between the outer combination edge 52 of the lampshade 50 of the annular lip 124 of first radiator, 10 bottom surfaces.
Above-mentioned led lamp in use, through on the Connection Block 60 sheathed fixed bars and whole light fixture is supported and fixed on the fixed bar top.Light emitting diode module 30 is arranged in first radiator, 10 bottom surfaces symmetrically near the outer peripheral edges place, and the illumination light that light emitting diode module 30 is sent is passed through Circular shape lampshade 50 equably according to all directions to light fixture; The heat that light emitting diode module 30 produces is directly absorbed by first radiator, 10 base plates 12 and directly is dispersed in the surrounding air through the radiating fin on it 14, and second radiator 20 that the while is connected with base plate 12 is also with absorb and distribute the part heat auxiliaryly.
As illustrated in Figures 5 and 6 for second preferred embodiment of led lamp of the present invention; Be the different of mounting means with the difference of first embodiment; Second radiator 20 of the led lamp in the present embodiment is opposite with first embodiment with the installation site of Connection Block 60; This second radiator 20 is fastened on first radiator, 10 bottom surfaces through screw and connector 40; Connection Block 60 then replaces the fixed-site of script second radiator 20 on first radiator 10, and the led lamp in the present embodiment can hang through Connection Block 40 and the socket of fixed bar bottom and be fixed on the fixed bar bottom like this.
Second radiator 20 of above-mentioned led lamp and directly transposition installation of Connection Block 60; Make the led lamp can be according to the concrete needs in using; The mode of selecting suspension or supporting installs and fixes, thereby than generally having applicability widely through the fixing light fixture of a kind of mounting means.