Summary of the invention
The object of the invention is the deficiency existed to solve above-mentioned existing LED lamp, a kind of novel structure is provided, can independent assortment, perfect heat-dissipating, is applicable to the LED lamp of outdoor use.
In order to realize foregoing invention object, present invention employs following technical scheme:
A kind of LED lamp, comprise many group LED modules and jockey, adjacent LED modules is connected by jockey; LED module comprises LED, pcb board, lens, lens face shield and integral type aluminum radiating block, LED is arranged on pcb board, pcb board is fixed on integral type aluminum radiating block, lens are airtight to be arranged on lens face shield, lens face shield is fixed on integral type aluminum radiating block, and is provided with water-tight circle between lens face shield and integral type aluminum radiating block; Integral type aluminum radiating block by square fixed panel and on Connecting groups piece installing and heat sink form, heat sink and Connecting groups piece installing are all connected as a single entity with the end face of square fixed panel, Connecting groups piece installing is in the edge of square fixed panel end face, pcb board is fixed on the bottom surface of square fixed panel, on square fixed panel end face, the edge on every bar limit is equipped with a Connecting groups piece installing, Connecting groups piece installing on square fixed panel end face is 4, and the position of each Connecting groups piece installing is all in the middle on every bar limit; Each Connecting groups piece installing is equipped with electrical interface, and pcb board is provided with 4 positions and mates with the electrical interface in Connecting groups piece installing and the energising interface that can be communicated with electrical interface; Square fixed panel is provided with 4 threading positions, and the position of threading position is between electrical interface and energising interface; Jockey comprises fixture and the electric connector through IP protective treatment, adjacent LED modules is connected by fixture, fixture is connected to the often position organized on LED module and is all in Connecting groups piece installing, and the pcb board in adjacent LED modules realizes electrical connection by electric connector; Fixture comprises metallic support sheet and fixed screw, and a part for metallic support sheet is fixed in the Connecting groups piece installing of one group of LED module by fixed screw, and another part of metallic support sheet is fixed in the Connecting groups piece installing of adjacent LED modules by fixed screw; Electric connector comprises binding post, two groups of connectors and two groups of seal washers, binding post is arranged on metallic support sheet, the bottom often organizing connector is by the airtight electrical interface being placed in Connecting groups piece installing of seal washer, often organize connector and all pass the energising interface on the connecting PCB board of threading position by wire, two groups of connectors and binding post electric mortiser connect.
As preferably, binding post arranges buckle, metallic support sheet is provided with block button hole, and the buckle on binding post is stuck on the block button hole of metallic support sheet, achieves jockey dismounting quickly and easily, is convenient to the assembly and disassembly of many group LED modules.
As preferably, often organizing at least one threading position in 4 threading positions of LED module is threading via hole, in the electrical interface of connector position directly over this threading via hole; Remaining threading position is by impact and transparent threading screens groove.
As preferably, 4 the Connecting groups piece installings often organizing LED module are divided into 2 Connecting groups piece installings one and 2 Connecting groups piece installings two, the outer side edges of Connecting groups piece installing one is provided with the projection be connected as a single entity with it, the outer side edges of Connecting groups piece installing two is provided with the draw-in groove holding projection, add the bonding strength of two groups of LED modules, especially two groups of LED modules can be prevented to be subjected to displacement, to affect the reliability of two groups of LED module electrical connections.
As preferably, often organize the square fixed panel end face of LED module in square, the combined effect of many group modules is best, and four direction can be combined.
As preferably, the pcb board often organizing LED module arranges LED luminance adjustment module, pcb board is provided with 4 and all can controls LED switch and regulate the energising interface of LED luminance to connect arbitrarily energising interface on a pcb board, all can control switch and the brightness of all LED on pcb board, easy to use; LED and pcb board are connected as a single entity, and to lower Power supply requirement and reducing unit volume, have both effectively reduced the requirement to Power supply performance, have compressed volumetric spaces again; IC chip on pcb board is by the operating current of pulse width modulation control LED and work calories, the adjustment of voltage stabilizing and constant current is carried out by changing dutycycle, automatically electric current is reduced to ensure the stable work in work of LED when internal temperature exceedes setting index, voltage stabilizing is implemented by the method changing dutycycle, effectively reduce the fluctuation of voltage, improve LED constant current and drive effect; The width at its narrowest place of Copper Foil wire that pcb board is connected with power supply is at more than 2.5mm, and Copper Foil wire at least bears the electric current of 4.5A, and creep age distance is 0.8mm, and security performance is good.
As preferably, the heat sink often organizing LED module is the polylith of arrangement parallel to each other, heat sink is divided into long heat sink and short heat sink by highly difference, the cross section of long heat sink and short heat sink is all in up-narrow and down-wide shape, and the height of long heat sink and thickness are all greater than short heat sink, the outermost heat sink in square fixed panel top is long heat sink, distance between adjacent heat radiation plate is 4-6MM, its objective is and increase area of dissipation as much as possible, because the distance between adjacent heat radiation plate limit, all heat sinks all cannot be adopted long cooling plate structure, namely all heat sinks all adopt long heat sink cannot complete when making, add short heat sink and add area of dissipation to greatest extent in the enforceable scope of the manufacturing.
As preferably, the lens visor shapes often organizing LED module is mate with square fixed panel size square, and convex to form cavity volume downwards relative to edge in the middle part of lens face shield, the edge of lens face shield is screwed on the edge bottom square fixed panel; The equal rule of edge of 4 sides of lens face shield is provided with air-flow breach, and the air-flow breach quantity of 4 sides, shape are all identical with residing position; The edge of every bar side is at least provided with 2 air-flow breach, and two air-flow breach corresponding to adjacent LED modules docking location shape are connected to form convection space, good heat dissipation effect; Edge bottom lens face shield is provided with multiple regularly arranged and mount pad that is that protrude downwards, and mount pad and lens face shield are connected as a single entity, and screw passes mount pad and is fixed on square fixed panel; Lens face shield is provided with square fixed panel junction the groove holding water-tight circle, and water-tight circle is stuck in groove, and the position of water-tight circle is in the inner side of screw, improves the grade of IP protection; Lens face shield is provided with 12 lens installing holes, and what 12 lens were airtight is fitted on lens installing hole, and 12 lens arrangement become the curved lenses band that 4 length is identical, and every bar curved lenses band is formed by 5 lens arrangement; On pcb board, the quantity of LED and arrangement position mate with lens, and namely arrange a LED directly over each lens, 12 LED are arranged in the identical arc LED luminous zone of 4 length, and not only illumination effect is good, and is convenient to the replacing of follow-up different voltage LED.
As preferably, the quantity of LED module is between 2-30 group.
As preferably, the electrical interface not arranging the Connecting groups piece installing of jockey is provided with capping; Often organize seal washer and be divided into upper and lower two, all be socketed on connector, the seal washer of top is between connector and metallic support sheet, establishes notch at the top of electrical interface, the seal washer of below is in the notch place at electrical interface top, improves the performance of IP protection.
Have employed a kind of LED lamp of technique scheme, jockey comprises fixture and the electric connector through IP protective treatment, adjacent LED modules is connected by fixture, fixture comprises metallic support sheet and fixed screw, pcb board in adjacent LED modules realizes electrical connection by electric connector, electric connector comprises binding post, two groups of connectors and two groups of seal washers, and adjacent LED modules degree of being connected firmly is high, and electrical connection stability is high, the perfect heat-dissipating of integral type aluminum radiating block, pcb board is provided with 4 positions and mates with the electrical interface in Connecting groups piece installing and the energising interface that can be communicated with electrical interface, by the Connecting groups piece installing on square fixed panel and the energising Interface realization on pcb board on LED module surrounding indwelling expansion edge, realize different purposes, the Combination conversion of different capacity class, to facilitate the multipurpose requirement of consumer, namely LED lamp can by organizing LED module and jockey docks combination freely more, the installation that simultaneously not may be used for LED lamp in the Connecting groups piece installing of docking position is fixed, novel structure, easy to use.Lens are airtight to be arranged on lens face shield, and be provided with water-tight circle between lens face shield and integral type aluminum radiating block, electric connector is through IP protective treatment, and IP barrier propterty is good, and IP degree of protection at least reaches 66 grades, is applicable to outdoor use.In sum, the advantage of this LED lamp is novel structure, can independent assortment, and good waterproof performance is applicable to outdoor use.
Detailed description of the invention
Make a detailed explanation below in conjunction with Fig. 1-10 pairs of the specific embodiment of the present invention.
A kind of LED lamp as shown in Fig. 1-Figure 10, is made up of two groups of LED modules 7 and one group of jockey 8, and two groups of LED modules 7 are connected by jockey 8.
LED module 7 mainly comprises LED3, pcb board 2, lens 4, water-tight circle 5, lens face shield 6 and radiating block 1.LED3 is arranged on pcb board 2, and specifically the top of LED3 is integrally connected on pcb board 2, to lower Power supply requirement and reducing unit volume, has both effectively reduced the requirement to Power supply performance, have compressed volumetric spaces again.IC chip 22 on pcb board 2, by the operating current of pulse width modulation control LED and work calories, carries out the adjustment of voltage stabilizing and constant current by changing dutycycle.
Radiating block 1 is integral type aluminum radiating block, radiating block 1 by fixed panel 11 and on Connecting groups piece installing 12 and heat sink 13 form.Pcb board 2 is fixed on the bottom surface of fixed panel 11, the bottom of heat sink 13 and Connecting groups piece installing 12 is all connected as a single entity with the end face of fixed panel 11, Connecting groups piece installing 12 is in the edge of fixed panel 11 end face, pcb board 2 is provided with energising interface 21, and Connecting groups piece installing 12 is provided with the electrical interface 121 that can be communicated with energising interface 21.Fixed panel 11 is square, best scheme is that fixed panel 11 is in square, on fixed panel 11 end face, the edge on every bar limit is equipped with a Connecting groups piece installing 12, Connecting groups piece installing 12 on fixed panel 11 end face is 4, and the position of each Connecting groups piece installing 12 is all in the middle on every bar limit, 4 limit any directions all can dock LED module, the form of the most applicable four limit docking.
Each Connecting groups piece installing 12 is equipped with electrical interface 121, pcb board 2 is provided with 4 positions and mates corresponding energising interface 21 with the electrical interface 121 in Connecting groups piece installing 12, pcb board 2 is arranged LED luminance adjustment module 23,4 energising interfaces 21 on pcb board 2 are all the energising interfaces that can control LED switch and regulate LED luminance, namely the energising interface 21 connected on a pcb board 2 all can control switch and the brightness of all LED3 on pcb board 2 arbitrarily, easy to use.Fixed panel 11 is provided with 4 threading positions, and the position of threading position is between electrical interface 121 and energising interface 21.In 4 threading positions, at least one threading position is threading via hole 112, and remaining threading position is by impact and transparent threading screens groove 111.When two groups of LED modules 7 dock, the Connecting groups piece installing 12 at threading via hole 112 place can be adopted to dock, therefore remaining Connecting groups piece installing 12 does not use as connector does not need perforation, adopt the structure by impact and transparent threading screens groove 111, effectively can improve the grade that namely dustproof and waterproof performance improves IP protection, by the intensity of impact and transparent threading screens groove 111 intensity far below the fixed panel 11 of surrounding, suitable impact can penetrate, threading via hole 112 is just become through overpenetrated screens groove 111, when consumer needs to puncture voluntarily and can use when adopting many group LED modules 7 to dock, rational in infrastructure, easy to use.4 Connecting groups piece installings 12 are divided into 2 Connecting groups piece installing one 12a and 2 Connecting groups piece installing two 12b, the equal subtend of Connecting groups piece installing one 12a and Connecting groups piece installing two 12b is arranged, the outer side edges of Connecting groups piece installing one 12a is provided with the projection 12a1 be connected as a single entity with it, the outer side edges of Connecting groups piece installing two 12b is provided with the draw-in groove 12b1 holding projection 12a1, projection 12a1 cross section semicircular in shape, draw-in groove 12b1 cross section is the semicircle of mating with projection 12a1.When two groups of LED modules 7 dock, projection 12a1 in the Connecting groups piece installing one of one group of LED module 7 snaps in the draw-in groove 12b1 in the Connecting groups piece installing two of another group LED module 7, add the bonding strength of two groups of LED modules 7, especially two groups of LED modules 7 can be prevented to be subjected to displacement, to affect the reliability that two groups of LED modules 7 are electrically connected.In Connecting groups piece installing 12, the both sides of electrical interface 121 are respectively equipped with connecting hole 125, and connecting hole 125 is for assembly connection device 8.
Heat sink 13 is polyliths of arrangement parallel to each other, heat sink 13 is divided into long heat sink 131 and short heat sink 132 by highly difference, the cross section of long heat sink 131 and short heat sink 132 is all in up-narrow and down-wide shape, and the height of long heat sink 131 and thickness are all greater than short heat sink 132, the outermost heat sink in fixed panel top 11 is long heat sink 131, distance between adjacent heat radiation plate 13 is 4-6MM, its objective is and increase area of dissipation as much as possible, because the distance between adjacent heat radiation plate 13 limit, all heat sinks 13 all cannot be adopted long cooling plate structure, namely all heat sinks 13 all adopt long heat sink 131 cannot complete when making, add short heat sink 132 and add area of dissipation to greatest extent in the enforceable scope of the manufacturing.
Lens face shield 6 is fixed on radiating block 1, and water-tight circle 5 is arranged between lens face shield 6 and radiating block 1.Lens face shield 6 shape is the square mated with fixed panel 11, in the middle part of lens face shield, 61 convex to form cavity volume downwards relative to edge, the edge of lens face shield 6 is fixed on the edge bottom fixed panel 11 by screw 66, edge specifically bottom lens face shield 6 is provided with multiple regularly arranged and mount pad 62 that is that protrude downwards, mount pad 62 is connected as a single entity with the edge of lens face shield 6, screw 66 is fixed on fixed panel 11 through mount pad 62, when adjustment LED3 or lens 4 just need lens face shield 6 to pull down, therefore the mode that screw 66 is fixing is the most applicable, in order to ensure the fastness of installing, therefore have employed the fixing of the respective outer side edges screw 66 of mount pad 62.Lens face shield 6 is provided with fixed panel 11 junction the groove 65 holding water-tight circle, and water-tight circle 5 is stuck in groove 65, and the position of water-tight circle 5 is in the inner side of screw 66, better can play the effect that water-tight infiltrates.The equal rule of edge of 4 sides of lens face shield 6 is provided with air-flow breach 63, article 4, air-flow breach 63 quantity on side, shape are all identical with residing position, when two groups of LED modules 7 dock, two air-flow breach 63 corresponding to position shape have been connected to form convection space 631, convection space 631 accelerates heat radiation for cross-ventilation, and the edge of every bar side is at least provided with 2 air-flow breach 63, such LED module connecting place has the convection space 631 of 2 local at least, for lamp affixed to the ceiling or the product of body seal, more effectively.Lens 4 are airtight to be arranged on lens face shield 6, lens face shield 6 is provided with 12 lens installing holes 64, what 12 lens 4 were airtight is fitted on lens installing hole 64,12 lens 4 are arranged in the identical curved lenses band of 4 length, article 4, curved lenses band joins end to end, and every bar curved lenses band forms by 5 lens arrangement.On pcb board 2, the quantity of LED3 and arrangement position mate with lens 4, and namely arrange a LED3 directly over each lens 4,12 LED3 are arranged in the identical arc LED luminous zone of 4 length, and every bar arc LED luminous zone forms by 5 LED3 arrangements.Above-mentioned 12 LED3 are low-voltage direct LED.For realizing the unification of variety classes LED alignment placement, 12 low-voltage direct LED form Designs have been become 4 arc LED luminous zones by LED module 7, evenly may be used for replacing above-mentioned low-voltage direct LED to make equidistant 4 interior high-voltage LEDs arrangements, namely do on the basis of alignment placement with the low-voltage LED that existing market is generally applied, consider with plus-minus connects wire change LED arrange relation thus realize be suitable for high direct voltage LED work layout, when high direct voltage LED used instead by needs, namely enough with 4 LEDs, this 4 LEDs is used in impartial position, all the other are with pin leads or wire UNICOM circuit, such as often organize module 48V/DC power supply, single power is driven to be 12 3V low-voltage direct LED of 1W, then its arrangement pass is 12 strings, when using 54V high-voltage LED that single power is 3W instead and drive with alternating current 220V or direct current 220V, then the quantity of every module LED has just become 4, and this 4 LEDs must conspire to create a string, it is suitable that its position also must be placed, otherwise, the even of the attractive in appearance and illumination of layout will be affected.Under different voltage and different capacity class, the width of Copper Foil wire and pitch requirements are different, power hour, and because its load capacity is little, Copper Foil wire can be more carefully; When voltage is low, because pressure reduction is little, wire pitch also can be less, for accomplishing the compatibility of same pcb board to different voltage and different capacity class, LED module 7 devises width and the gap of Copper Foil wire especially, the current-carrying capacity of Copper Foil wire is relevant with the thickness of Copper Foil, conductor width and operating temperature etc., and creep age distance is then relevant with the dielectric constant of material with the spacing of wire.For the conventional pcb board that copper thickness is 1 ounce, when operating temperature is 20 degree, when Copper Foil conductor width is 0.254mm, the electric current of about 1.2A can be born, the electric current that for the benefit of many group modules connection in series-parallel realizes the above power of whole lamp 120W bears, its the narrowest width of Copper Foil wire that LED module 7 is connected with power supply is all at more than 2.5mm, the electric current bearing about 4.5A can be guaranteed, as for creep age distance, to typical electronic circuitry, it is less demanding, be greater than 0.2mm namely enough, creep age distance is 0.8mm, leave enough surpluses, effectively prevent because wired in parallel combination the increases current overload that causes and effectively prevent and raise and the creepage risk that produces because using AC LED and HVDC LED to cause load voltage.Above-mentioned special design achieves variety classes LED and shares the compatibility imagination that a pcb board shares one group of lens cover, facilitates production, also reduces material cost.
When above-mentioned electrical interface 121 is not used in docking, opening is generally lived with lidstock, and electrical interface 121 lidstock do not used of especially corresponding threading via hole 112 can better promote IP degree of protection.The all position preventing dust water-based of LED module 7 is all very good, and IP degree of protection is high, reaches 66 grades, meets the condition of outdoor use completely, does not namely need the increase shell that keeps off the rain just can directly use out of doors.Achieved by the energising interface 21 in the Connecting groups piece installing 12 of fixed panel 11 bottom surface side edge and the pcb board 2 that mates with it and expand edge in the indwelling of LED module surrounding, realize LED module 7 Combination conversion of different purposes, different capacity class, to facilitate the multipurpose requirement of consumer, namely easily multiple LED module 7 can be carried out docking to combine, the installation that simultaneously not may be used for LED lamp in the Connecting groups piece installing 12 of docking position is fixed.
Jockey 8 comprises fixture and the electric connector through IP protective treatment, two groups of LED modules 7 are connected by fixture, fixture is connected to the often position organized on LED module 7 and is all in Connecting groups piece installing 12, and the pcb board 2 on two groups of LED modules 7 realizes electrical connection by electric connector.
Fixture comprises metallic support sheet 803 and fixed screw 802, a part for metallic support sheet 803 is fixed in the Connecting groups piece installing 12 of one group of LED module 7 by fixed screw 802, another part of metallic support sheet 803 is fixed in the Connecting groups piece installing 12 of adjacent LED modules 7 by fixed screw 802, fixed screw 802 is fixed on connecting hole 125 place in Connecting groups piece installing 12, and metallic support sheet 803 and fixed screw 802 can facilitate and firmly be coupled together by two groups of LED modules 7.Electric connector comprises binding post 801, two groups of connectors 804 and two groups of seal washers 805, binding post 801 is arranged on metallic support sheet 803, the bottom often organizing connector 804 is by the airtight electrical interface 121 being placed in Connecting groups piece installing 12 of seal washer 805, often organize connector 804 all to be connect with binding post 801 electric mortiser through energising interface 21, the two groups of connectors 804 on threading position connecting PCB board 2 by wire.
Often organize on connector 804 and be socketed one group of seal washer 805, the position of seal washer 805 can be between electrical interface 121 and metallic support sheet 803 and also can be in electrical interface 121, the effect of seal washer 805 is IP barrier propterties that raising electric connector is connected with pcb board 2, the plan of establishment of seal washer 805 the best often organizes seal washer 805 to be divided into upper and lower two, be socketed in seal washer 805 above connector 804 for improving the IP barrier propterty between connector 804 and metallic support sheet 803 and binding post 801, notch is established at the top of electrical interface 121, the seal washer 805 of below is in the notch place at electrical interface 121 top for improving the IP barrier propterty in electrical interface 121 place.Pcb board 2 on two groups of LED modules 7 can be electrically connected by the electric connector of this structure easily, and the Simultaneous Switching realizing all LED modules 7 controls.Binding post 801 is arranged buckle 8011, metallic support sheet 803 is provided with block button hole 8031, and the buckle 8011 on binding post 801 is stuck on the block button hole 8031 of metallic support sheet 803.
During use, two groups of LED modules 7 are connected by fixture, and the pcb board 2 on two groups of LED modules 7 realizes electrical connection by electric connector, can be controlled the use of whole LED lamp by any one group of pcb board 2.By switch and the brightness regulation of the IC chip controls LED3 on pcb board 2, the light scioptics 4 that LED3 sends penetrate, the heat produced during LED3 work is dissipated by radiating block 1, partial heat between adjacent LED modules 7 is discharged by convection space 631, the operating current of IC chip 22 on pcb board 2 by pulse width modulating technology control LED and the work calories of LED, the adjustment of voltage stabilizing and constant current is carried out by changing dutycycle, namely voltage stabilizing and constant current is realized by pulse width modulating technology PWM, LED operating temperature is monitored by IC chip, realize temperature protection function, automatically electric current is reduced to ensure the stable work in work of LED when internal temperature exceedes setting index, voltage stabilizing is implemented by the method changing dutycycle, effectively reduce the fluctuation of voltage, improve LED constant current and drive effect, specifically be integrated with overheat protector device at IC chip internal, even if experience until its temperature sensor the triode ON be connected after temperature exceedes a certain value, operating current is lowered by shunting, thus realize desuperheat effect, pulse width modulating technology PWM is a kind of analog control mode being biased and then realizing transistor or the change of metal-oxide-semiconductor ON time regulating transistor base or metal-oxide-semiconductor grid according to load change, and this mode can make the output voltage of power supply remain constant when operation conditions change.
Above-described embodiment is only this patent preferably embodiment, the quantity of such as LED module 7 can increase arbitrarily, such as 3 groups, 4 groups, 5 groups, 6 groups etc., general within 30 groups, the LED module 7 of any increase is connected with adjacent LED module 7 by jockey 8, and link position 8 is all in Connecting groups piece installing 12; Quantity and the position of the Connecting groups piece installing 12 on each fixed panel 11 can adjust change, when the quantity of Connecting groups piece installing 12 is 1, this LED module 7 just can only combine with a LED module 7 and dock, a LED module 7 needs the multiple LED module 7 of combination docking just to need to arrange multiple Connecting groups piece installing 12, and energising interface 21 quantity on pcb board 2 needs and reserved electrical interface 121 quantity Matching that can be energized.In addition, 4 threading positions can be all threading via holes 112, also can be partly threading via holes 112.