CN103557447B - Led module - Google Patents
Led module Download PDFInfo
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- CN103557447B CN103557447B CN201310473702.7A CN201310473702A CN103557447B CN 103557447 B CN103557447 B CN 103557447B CN 201310473702 A CN201310473702 A CN 201310473702A CN 103557447 B CN103557447 B CN 103557447B
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- lens
- led
- connecting groups
- piece installing
- groups piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to LED illumination lamp field.LED module, comprise LED, pcb board, lens, lens face shield and radiating block, LED is arranged on pcb board, pcb board is fixed on radiating block, lens are airtight to be arranged on lens face shield, lens face shield is fixed on radiating block, aluminum radiating block comprise fixed panel and on Connecting groups piece installing and heat sink, heat sink is all connected with the end face of fixed panel with Connecting groups piece installing, pcb board is fixed on the bottom surface of fixed panel, Connecting groups piece installing is provided with electrical interface, pcb board is provided with position and mates with the electrical interface in Connecting groups piece installing and the energising interface that can be communicated with electrical interface, fixed panel is provided with threading position, the position of threading position is between electrical interface and energising interface.The advantage of this LED module is novel structure, can independent assortment, and good waterproof performance is applicable to outdoor use.
Description
Technical field
The present invention relates to LED illumination lamp field.
Background technology
LED illumination lamp is because the advantage of its energy-conserving and environment-protective is widely used.LED module is most important building block in LED.The maximum deficiency that existing LED module exists to be changed, once the size that just cannot adjust its shape and power after product shaping, can only by the luminance adjustment module adjustment brightness carried in its circuit, namely brightness cannot significantly increase, needing to increase brightness can only be realized by the quantity of increase LED illumination lamp, separately not connect between multiple LED illumination lamp, or by the electrical connection of the wire that exposes together, cannot use as a unified entirety.In addition, current LED market is all mostly adopt low-voltage LED, along with the maturation of AC LED and high direct voltage LED technology, AC LED and high direct voltage LED technology will be widely used, the difference of its driving voltage pattern of variety classes LED and the difference of LED arrangement mode, if often change a kind of LED just make a different pcb board and different lens cover, not only bother, also will certainly cause the waste of goods, materials and equipments.
Summary of the invention
The object of the invention is the deficiency existed to solve above-mentioned existing LED module, a kind of novel structure is provided, can independent assortment, perfect heat-dissipating, is applicable to the LED module of outdoor use.
In order to realize foregoing invention object, present invention employs following technical scheme:
LED module, comprise LED, pcb board, lens, lens face shield and radiating block, LED is arranged on pcb board, pcb board is fixed on radiating block, lens are airtight to be arranged on lens face shield, lens face shield is fixed on radiating block, radiating block comprise fixed panel and on Connecting groups piece installing and heat sink, heat sink is all connected with the end face of fixed panel with Connecting groups piece installing, pcb board is fixed on the bottom surface of fixed panel, Connecting groups piece installing is provided with electrical interface, pcb board is provided with position and mates with the electrical interface in Connecting groups piece installing and the energising interface that can be communicated with electrical interface, fixed panel is provided with threading position, the position of threading position is between electrical interface and energising interface.
As preferably, the Connecting groups piece installing on described fixed panel is multiple, and pcb board is provided with the multiple energising interfaces with the electrical interface position in Connecting groups piece installing and quantity Matching, often organizes between electrical interface and energising interface and is equipped with a threading position; At least one threading position is threading via hole, arranges electrical connector in the electrical interface directly at least one threading via hole, and electrical connector is connected with the energising interface immediately below it through threading via hole by wire; Remaining threading position is by impact and transparent threading screens groove.Being interconnected of multiple LED module can be realized by multiple Connecting groups piece installing, the threading position between the electrical interface of connection and energising interface is not needed to be threading via hole, the threading position between the electrical interface of connection and energising interface is not needed to be by impact and transparent threading screens groove, effectively can improve the grade that namely dustproof and waterproof performance improves IP protection, by the intensity of impact and the transparent threading screens groove intensity far below the fixed panel of surrounding, suitable impact can penetrate, puncture voluntarily again can use when consumer needs to adopt multiple LED module to dock, rational in infrastructure, easy to use.
Pcb board is arranged LED luminance adjustment module, each energising interface on pcb board all can control LED switch and regulate the brightness of LED, connects arbitrarily the 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.
As preferably, fixed panel end face is square, and on fixed panel end face, the edge on every bar limit is equipped with a Connecting groups piece installing, and the Connecting groups piece installing on 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 the electrical interface through IP protective treatment, 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.The combined effect of multiple module is best, and four direction can be combined.
As preferably, 4 Connecting groups piece installings are divided into 2 Connecting groups piece installings one and 2 Connecting groups piece installings two, and the outer side edges of Connecting groups piece installing one is provided with the projection be connected as a single entity with it, and the outer side edges of Connecting groups piece installing two is provided with the draw-in groove holding projection.LED module can single sale and use, when needs increase brightness, two identical LED modules can dock, projection in the Connecting groups piece installing one of a LED module snaps in the draw-in groove in the Connecting groups piece installing two of another LED module, 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, described radiating block is aluminum radiating block, heat sink 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 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, convex to form cavity volume downwards in the middle part of lens face shield relative to edge, the edge of lens face shield is screwed on the edge bottom fixed panel; 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 is fixed on fixed panel through mount pad, install firm.
As preferably, lens visor shapes is mate with fixed panel size square, the equal rule of edge of 4 sides of lens face shield is provided with air-flow breach, article 4, the air-flow breach quantity of side, shape are all identical with residing position, the edge of every bar side is at least provided with 2 air-flow breach, when the docking of two LED modules, two air-flow breach corresponding to position shape have been connected to form convection space; Water-tight circle is provided with between lens face shield and radiating block, lens face shield is provided with fixed panel junction the groove holding water-tight circle, water-tight circle is stuck in groove, and the position of water-tight circle is in the inner side of screw, improves the IP degree of protection of dustproof and waterproof; 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 power on both sides of interface of Connecting groups piece installing are respectively equipped with connecting hole, and Connecting groups piece installing is arranged installation connecting plate, screw is fixed in connecting hole through installing connecting plate, and the installation being convenient to whole LED module is fixed.
As preferably, middle heat sink is provided with the erection column of the band screw be connected as a single entity with it, and screw opening upwards, erection column installs connecting plate, and mounting screw is fixed on erection column through connecting plate, and the installation being convenient to whole LED module is fixed.
Have employed the LED module of technique scheme, lens are airtight to be arranged on lens face shield, and IP barrier propterty is good; Radiating block comprise fixed panel and on Connecting groups piece installing and heat sink, heat sink is all connected with the end face of fixed panel with Connecting groups piece installing, perfect heat-dissipating; Electrical interface is connected by threading position with energising interface, rational in infrastructure, by the Connecting groups piece installing on fixed panel and the energising Interface realization on pcb board on LED module indwelling expansion edge, realize the Combination conversion of different purposes, different capacity class, to facilitate the multipurpose requirement of consumer, namely easily multiple LED module can be carried out docking to combine, the installation that simultaneously not may be used for LED module in the Connecting groups piece installing of docking position is fixed.In sum, the advantage of this LED module is novel structure, can independent assortment, and good waterproof performance is applicable to outdoor use.
Accompanying drawing explanation
Fig. 1: the exploded perspective view of the embodiment of the present invention 1.
Fig. 2: the schematic perspective view of the embodiment of the present invention 1.
Fig. 3: the schematic diagram one of the radiating block of the embodiment of the present invention 1.
Fig. 4: the schematic diagram two of the radiating block of the embodiment of the present invention 1.
Fig. 5: the assembling schematic diagram of pcb board and LED in the embodiment of the present invention 1.
Fig. 6: lens face shield schematic diagram one in the embodiment of the present invention 1.
Fig. 7: lens face shield schematic diagram two in the embodiment of the present invention 1.
Fig. 8: the schematic perspective view of the embodiment of the present invention 2.
Fig. 9: the schematic perspective view of the embodiment of the present invention 3.
Detailed description of the invention
Make a detailed explanation below in conjunction with Fig. 1-9 pairs of the specific embodiment of the present invention.
Embodiment 1
LED module as shown in figs. 1-7, mainly comprises LED3, pcb board 2, lens 4, 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 and can be communicated with energising interface 21 and through the electrical interface 121 of IP protective treatment.
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 polygon 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, electrical connector through IP protective treatment is set in the electrical interface 121 directly at least one threading via hole 112, electrical interface 121 is rounded, electrical connector is cylindrical, electrical connector is in circular electric interface, dismounting uses very convenient, and electrical connector is connected with the energising interface 21 immediately below it through threading via hole 112 by wire, and the IP protective treatment of electrical connector sets up water-tight packing ring in electrical interface 121.Remaining threading position is by impact and transparent threading screens groove 111.When two groups of LED module docking, 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, puncture voluntarily again can use when consumer needs to adopt multiple LED module 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.LED module can single sale and use, when needs increase brightness, two identical LED modules can dock, projection 12a1 in the Connecting groups piece installing one of a LED module snaps in the draw-in groove 12b1 in the Connecting groups piece installing two of another LED module, 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.
In Connecting groups piece installing 12, the both sides of electrical interface 121 are respectively equipped with connecting hole 125, connecting hole 125 for assembling connecting piece, for the fixed installation of whole LED module.
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 is provided with water-tight circle 5 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 is all identical with residing position, when two LED module docking, two air-flow breach 63 corresponding to position shape have been connected to form convection space, when module and model calling, between two lens face shields 6, convection space is used for cross-ventilation, and the edge of every bar side is at least provided with 2 air-flow breach, such LED module connecting place has the convection space of 2 local at least, for lamp affixed to the ceiling or the product of body seal, more effective.
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 the LED module of this patent, 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 every 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, the quantity then often organizing 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, the LED module of this patent 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 multimode connection in series-parallel realizes the above power of whole lamp 120W bears, its the narrowest width of Copper Foil wire that the LED module of this patent 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, the creep age distance of this patent 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.
Above-mentioned electrical interface 121 is through IP protective treatment, IP protective treatment refers to the process meeting IP degree of protection, the IP protective treatment mode of electrical interface 121 is a lot, conventional such as sets up water-tight packing ring around electrical connector, or at the outer of electrical interface 121, the closing cap closed by electrical interface 121 is set, and the above-mentioned IP protective treatment mode all being belonged to electrical interface 121 by impact and transparent threading screens groove 111 structure, adopt the LED module IP degree of protection of technique scheme at least to reach 66.When above-mentioned electrical interface 121 is not used in docking, its opening is generally lived with lidstock, and the electrical interface 121 do not used of especially corresponding threading via hole 112 needs to use lidstock.The kind of above-mentioned electrical connector is a lot, and conventional is binding post.
Embodiment 2
LED module as shown in Figure 8, other structure is identical with the LED module of embodiment 1, and on the basis of embodiment 1, add part-structure and function, heat sink 13 is specifically provided with the erection column 133 of the band screw be connected as a single entity with it, screw opening upwards, erection column 133 is installed connecting plate 134, mounting screw is fixed on erection column 133 through connecting plate 134, and the installation that connecting plate 134 may be used for whole LED module is fixed.For dock LED module Connecting groups piece installing 12 on electrical connector 124 is set, namely electrical connector 124 all arranges water-tight packing ring at electrical connector about 124 through IP protective treatment, in addition in the Connecting groups piece installing 12 being not used in joint, clog electrical interface 121 with capping 122.
Embodiment 3
LED module as shown in Figure 9, other structure is identical with the LED module of embodiment 1, and on the basis of embodiment 1, add part-structure and function, specifically Connecting groups piece installing 12 is arranged and connecting plate 123 is installed, screw is fixed in connecting hole 125 through installing connecting plate 123, installs perforate on connecting plate 123.This Connecting groups piece installing 12 does not play the function rising connection function and install, and the installation that may be used for whole LED module by installing connecting plate 123 is fixed.Heat sink 13 is in addition provided with the erection column 133 of the band screw be connected as a single entity with it, screw opening upwards, and erection column 133 may be used for the fixing of LED module alternate manner.For dock LED module Connecting groups piece installing 12 on electrical connector 124 is set, namely electrical connector 124 all arranges water-tight packing ring at electrical connector about 124 through IP protective treatment.
Above-mentioned 3 embodiments are only this patent preferably embodiment, and the shape of fixed panel can adjust change, such as regular hexagon, octagon, semicircle etc., and best mode is square.Quantity and the position of the Connecting groups piece installing on fixed panel can adjust change, the quantity of Connecting groups piece installing can be 1, just can only realize the connection of 2 LED modules, Connecting groups piece installing and on electrical interface 121 can be multiple, such as 2,3,5 or 6 etc., the energising interface quantity on pcb board needs and reserved electrical interface 121 quantity Matching that can be energized.In addition, in embodiment 1,4 threading positions can be all threading via holes 112, also can be partly threading via holes 112.The all position preventing dust water-based of LED module in above-described embodiment is all very good, and IP degree of protection is high, reaches 66, 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 the Combination conversion of different purposes, different capacity class, to facilitate the multipurpose requirement of consumer, namely easily multiple LED module can be carried out docking to combine, the installation that simultaneously not may be used for LED module in the Connecting groups piece installing of docking position is fixed.
When LED module is used alone, 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, 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.When two or more sets LED modules dock, adjacent LED modules is connected at respective Connecting groups piece installing 12 place by connector, adjacent LED modules is electrically connected by connector and electrical interface, gets final product the independent assortment of utility modules.
Claims (8)
1.LED module, comprise LED, pcb board, lens, lens face shield and radiating block, LED is arranged on pcb board, pcb board is fixed on radiating block, lens are airtight to be arranged on lens face shield, lens face shield is fixed on radiating block, it is characterized in that radiating block comprise fixed panel and on Connecting groups piece installing and heat sink, heat sink is all connected with the end face of fixed panel with Connecting groups piece installing, pcb board is fixed on the bottom surface of fixed panel, Connecting groups piece installing is provided with electrical interface, pcb board is provided with position and mates with the electrical interface in Connecting groups piece installing and the energising interface that can be communicated with electrical interface, fixed panel is provided with threading position, the position of threading position is between electrical interface and energising interface, Connecting groups piece installing on described fixed panel is multiple, and pcb board is provided with the multiple energising interfaces with the electrical interface position in Connecting groups piece installing and quantity Matching, often organizes between electrical interface and energising interface and is equipped with a threading position, at least one threading position is threading via hole, arranges electrical connector in the electrical interface directly at least one threading via hole, and electrical connector is connected with the energising interface immediately below it through threading via hole by wire, remaining threading position is by impact and transparent threading screens groove, pcb board being arranged LED luminance adjustment module, carrying out the adjustment of voltage stabilizing and constant current by changing dutycycle.
2. LED module according to claim 1, it is characterized in that fixed panel end face is square, on fixed panel end face, the edge on every bar limit is equipped with a Connecting groups piece installing, Connecting groups piece installing on 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 the electrical interface through IP protective treatment, 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.
3. LED module according to claim 2, it is characterized in that 4 Connecting groups piece installings 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, and the outer side edges of Connecting groups piece installing two is provided with the draw-in groove holding projection.
4. LED module according to claim 1, it is characterized in that described radiating block is integral type aluminum radiating block, heat sink 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 fixed panel top is long heat sink, and the distance between adjacent heat radiation plate is 4-6mm.
5. LED module according to claim 1, is characterized in that convexing to form cavity volume downwards relative to edge in the middle part of lens face shield, and the edge of lens face shield is screwed on the edge bottom fixed panel; 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 fixed panel.
6. LED module according to claim 2, it is characterized in that lens visor shapes is mate with fixed panel size square, the equal rule of edge of 4 sides of lens face shield is provided with air-flow breach, article 4, the air-flow breach quantity of side, shape are all identical with residing position, and the edge of every bar side is at least provided with 2 air-flow breach; Be provided with water-tight circle between lens face shield and radiating block, lens face shield is provided with 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; 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.
7. LED module according to claim 1, it is characterized in that the power on both sides of interface of Connecting groups piece installing are respectively equipped with connecting hole, Connecting groups piece installing is arranged installation connecting plate, screw is fixed in connecting hole through installing connecting plate.
8. LED module according to claim 1, it is characterized in that middle heat sink is provided with the erection column of the band screw be connected as a single entity with it, screw opening upwards, erection column installs connecting plate, and mounting screw is fixed on erection column through connecting plate.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169012.6A CN105736966B (en) | 2013-10-11 | 2013-10-11 | LED module |
| CN201610168802.2A CN105805567B (en) | 2013-10-11 | 2013-10-11 | LED module |
| CN201310473702.7A CN103557447B (en) | 2013-10-11 | 2013-10-11 | Led module |
| CN201610169035.7A CN105782734B (en) | 2013-10-11 | 2013-10-11 | LED module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310473702.7A CN103557447B (en) | 2013-10-11 | 2013-10-11 | Led module |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610169035.7A Division CN105782734B (en) | 2013-10-11 | 2013-10-11 | LED module |
| CN201610169012.6A Division CN105736966B (en) | 2013-10-11 | 2013-10-11 | LED module |
| CN201610168802.2A Division CN105805567B (en) | 2013-10-11 | 2013-10-11 | LED module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103557447A CN103557447A (en) | 2014-02-05 |
| CN103557447B true CN103557447B (en) | 2016-04-27 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310473702.7A Expired - Fee Related CN103557447B (en) | 2013-10-11 | 2013-10-11 | Led module |
| CN201610168802.2A Expired - Fee Related CN105805567B (en) | 2013-10-11 | 2013-10-11 | LED module |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610168802.2A Expired - Fee Related CN105805567B (en) | 2013-10-11 | 2013-10-11 | LED module |
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| Country | Link |
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| CN (2) | CN103557447B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557446B (en) * | 2013-10-11 | 2015-07-29 | 王丽娜 | A kind of LED module |
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| CN201884988U (en) * | 2010-10-26 | 2011-06-29 | 康陈德 | Detachable high-power LED (light-emitting diode) illumination lamp |
| CN202580969U (en) * | 2012-05-08 | 2012-12-05 | 北京创盈光电科技有限公司 | LED energy-saving garage light |
| CN203052403U (en) * | 2012-12-14 | 2013-07-10 | 福州慧丰光电科技有限公司 | High-power light-emitting diode (LED) street lamp |
| CN203517410U (en) * | 2013-10-11 | 2014-04-02 | 浙江星碧照明科技有限公司 | Led module |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5414274B2 (en) * | 2005-09-22 | 2014-02-12 | コーニンクレッカ フィリップス エヌ ヴェ | LED lighting module |
| KR101093073B1 (en) * | 2009-12-28 | 2011-12-13 | 주식회사 케이디파워 | LED illumination Lamp |
| JP5910938B2 (en) * | 2012-03-23 | 2016-04-27 | スタンレー電気株式会社 | Vehicle lamp unit |
| CN202834831U (en) * | 2012-07-04 | 2013-03-27 | 中山市华电科技照明有限公司 | Novel integration module lamp of wiring channel and mounting piece |
| CN105782734B (en) * | 2013-10-11 | 2018-11-30 | 浦江浦发科技有限公司 | LED module |
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2013
- 2013-10-11 CN CN201310473702.7A patent/CN103557447B/en not_active Expired - Fee Related
- 2013-10-11 CN CN201610168802.2A patent/CN105805567B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201884988U (en) * | 2010-10-26 | 2011-06-29 | 康陈德 | Detachable high-power LED (light-emitting diode) illumination lamp |
| CN202580969U (en) * | 2012-05-08 | 2012-12-05 | 北京创盈光电科技有限公司 | LED energy-saving garage light |
| CN203052403U (en) * | 2012-12-14 | 2013-07-10 | 福州慧丰光电科技有限公司 | High-power light-emitting diode (LED) street lamp |
| CN203517410U (en) * | 2013-10-11 | 2014-04-02 | 浙江星碧照明科技有限公司 | Led module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105805567B (en) | 2019-08-06 |
| CN105805567A (en) | 2016-07-27 |
| CN103557447A (en) | 2014-02-05 |
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Owner name: WANG LINA Free format text: FORMER OWNER: ZHEJIANG SINGBEE LIGHTING TECHNOLOGY CO., LTD. Effective date: 20150710 |
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