CN203517411U

CN203517411U - LED illuminating lamp

Info

Publication number: CN203517411U
Application number: CN201320627666.0U
Authority: CN
Inventors: 王元成; 王丽娜
Original assignee: ZHEJIANG SINGBEE LIGHTING TECHNOLOGY Co Ltd
Current assignee: ZHEJIANG SINGBEE LIGHTING TECHNOLOGY Co Ltd
Priority date: 2013-10-11
Filing date: 2013-10-11
Publication date: 2014-04-02
Anticipated expiration: 2023-10-11

Abstract

The utility model relates to the field of LED illuminating lamps. An LED illuminating lamp comprises LEDs, a PCB, lenses, a lens face shield and a heating dissipation block. The heating dissipation block comprises a fixed panel, connecting assembly parts and a heating dissipation plate, wherein the connecting assembly parts and the heating dissipation plate are arranged on the fixed panel. The PCB is fixed to the bottom surface of the fixed panel. The connecting assembly parts are respectively provided with an electrical interface. The number of the connecting assembly parts on the fixed panel is greater than one. The PCB is provided with a plurality of power-on interfaces, wherein the power-on interfaces are matched with the electrical interfaces on the connecting assembly parts in position and number. The LED and the PCB are connected into a whole. The PCB is provided with an LED brightness regulating module. All the power-on interfaces on the PCB can control an LED switch and regulate the brightness of the LEDs. The LED illuminating lamp has the advantages that the structure is novel, heat dissipation performance is good, usage is convenient, the modules can be combined freely, and the IP barrier property is good.

Description

A kind of LED illuminating lamp

Technical field

The utility model relates to LED field of illuminating lamps.

Background technology

LED illuminating lamp is because the advantage of its energy-conserving and environment-protective is widely used.The maximum deficiency that existing LED illuminating lamp exists is to change, once just cannot adjust the size of its shape and power after product shaping, can only adjust brightness by the brightness regulation module carrying in its circuit, be that brightness cannot significantly increase, need to increase brightness can only be to realize by increasing the quantity of LED illuminating lamp, between a plurality of LED illuminating lamps, separately do not connect, or be electrically connected to together by the wire exposing, cannot use as a unified integral body.In addition, on LED market, be all to adopt low-voltage LED at present mostly, maturation along with 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 outer covers, not only trouble, also will certainly cause the waste of goods, materials and equipments.

Summary of the invention

Goal of the invention of the present utility model is the deficiency existing in order to solve above-mentioned existing LED illuminating lamp, and a kind of novel structure is provided, can independent assortment, and perfect heat-dissipating, the LED illuminating lamp that IP barrier propterty is good.

In order to realize foregoing invention object, the utility model has adopted following technical scheme:

A kind of LED illuminating lamp, 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, between lens face shield and radiating block, be provided with water-tight circle, radiating block comprise fixed panel and on assemble part and heat sink, heat sink with assemble part and be all connected with the end face of fixed panel, pcb board is fixed on the bottom surface of fixed panel, assembles part and is provided with electrical interface; The part that assembles on fixed panel is a plurality of, pcb board is provided with and assembles electrical interface position on part and a plurality of energising interfaces of quantity Matching, LED and pcb board are connected as a single entity, LED brightness regulation module is set, the brightness that each the energising interface on pcb board all can be controlled LED switch and regulate LED on pcb board.

As preferably, IC chip on described pcb board is controlled operating current and the work calories of LED by pulse width modulation, by changing dutycycle, carry out the adjustment of voltage stabilizing and constant current, when surpassing setting index, automatically reduces internal temperature the stable work in work that electric current guarantees LED, by changing the method for dutycycle, implement voltage stabilizing, effectively lowered the fluctuation of voltage, improved LED constant current and driven effect.

As preferably, between described every group of electrical interface and energising interface, be equipped with a threading position; At least one threading position is threading via hole, in the electrical interface directly at least one threading via hole, electrical connector is set, and electrical connector passes threading via hole by wire and is connected with the energising interface under it; Remaining threading position is to be transparent threading screens groove by impact.Not needing the electrical interface connecting and the threading position switching between interface is threading via hole, not needing the electrical interface connecting and the threading position switching between interface is to be transparent threading screens groove by impact, can effectively improve the grade that dustproof and waterproof performance has improved IP protection, by impact, be that the intensity of transparent threading screens groove is far below the intensity of fixed panel around, suitably impact penetrable, when consumer need to adopt a plurality of LED illuminating lamps to dock, puncture voluntarily and can use again, rational in infrastructure, easy to use.

As preferably, fixed panel end face is square, and on fixed panel end face, the edge on every limit is equipped with one and assembles part, and the part that assembles on fixed panel end face is 4, and equal middle in every limit, each position that assembles part; Each assembles on part and is equipped with the electrical interface through IP protective treatment, and pcb board is provided with 4 positions and assembles the electrical interface coupling on part and the energising interface that can be communicated with electrical interface.By a plurality of parts that assemble, can realize interconnecting of a plurality of LED illuminating lamps.The combined effect of a plurality of LED illuminating lamps is best, and four direction can be combined.

As preferably, the hood-shaped shape of lens face is the square mating with fixed panel, and the equal rule of edge of 4 sides of lens face shield is provided with air-flow breach, and air-flow breach quantity, shape and the residing position of 4 sides are all identical.Further, the air-flow breach on every side is at least 2.When two LED illuminating lamp docking, two air-flow breach corresponding to position shape have been connected to form fluid space.

As preferably, lens face shield is provided with 12 lens installing holes, 12 airtight being fitted on lens installing hole of lens, and 12 lens arrangement become 4 curved lenses bands that length is identical, and every curved lenses band is formed by 5 lens arrangement; On pcb board, the quantity of LED and arrangement position mate with lens, each lens directly over a LED is set, 12 LED are arranged in 4 arc LED luminous zones that length is identical, not only illumination effect is good, and is convenient to the replacing of follow-up different voltage LED.

As preferably, on lens face shield, be provided with fixed panel junction the groove that holds water-tight circle, water-tight circle is stuck in groove, and the IP degree of protection of dustproof and waterproof has been improved in the inner side of the position of water-tight circle in screw.

Adopted a kind of LED illuminating lamp of technique scheme, lens are airtight to be arranged on lens face shield, and lens face shield is fixed on radiating block, is provided with water-tight circle between lens face shield and radiating block, and IP barrier propterty is good; Radiating block comprise fixed panel and on assemble part and heat sink, perfect heat-dissipating; Pcb board is provided with and assembles electrical interface position on part and a plurality of energising interfaces of quantity Matching, by having assembled energising Interface realization on part and pcb board and kept somewhere expansion edge at LED illuminating lamp on fixed panel, realize the Combination conversion of different purposes, different capacity class, to facilitate consumer's multipurpose requirement, can easily a plurality of LED illuminating lamps be docked and be combined, simultaneously assembling part and can fix for the installation of LED illuminating lamp in docking position not.LED and pcb board are connected as a single entity, to lower Power supply requirement and to dwindle unit volume, both effectively lowered the requirement to Power supply performance, compressed again volumetric spaces, LED brightness regulation module is set on pcb board, the brightness that each energising interface on pcb board all can be controlled LED switch and regulate LED, connects arbitrarily switch and brightness that an energising interface on pcb board all can be controlled all LED on pcb board, easy to use.In sum, the advantage of this LED illuminating lamp is novel structure, and perfect heat-dissipating is easy to use, and module can independent assortment, and IP barrier propterty is good.

Accompanying drawing explanation

Fig. 1: the exploded perspective view of the utility model embodiment.

Fig. 2: the schematic perspective view of the utility model embodiment.

Fig. 3: the schematic diagram of the radiating block of the utility model embodiment.

Fig. 4: the assembling schematic diagram of pcb board and LED in the utility model embodiment.

Fig. 5: lens face shield schematic diagram one in the utility model embodiment.

Fig. 6: lens face shield schematic diagram two in the utility model embodiment.

The specific embodiment

Below in conjunction with Fig. 1-6 pair specific embodiment of the present utility model, make a detailed explanation.

A kind of LED illuminating lamp as shown in Fig. 1-6, 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 one of LED3 is connected on pcb board 2, to lower Power supply requirement and to dwindle unit volume, has both effectively lowered the requirement to Power supply performance, has compressed again volumetric spaces.IC chip 22 on pcb board 2 is controlled operating current and the work calories of LED by pulse width modulation, carry 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 assemble part 12 and heat sink 13 forms.Pcb board 2 is fixed on the bottom surface of fixed panel 11, heat sink 13 is all connected as a single entity with the end face of fixed panel 11 with the bottom that assembles part 12, assemble the edge of part 12 in fixed panel 11 end faces, pcb board 2 is provided with energising interface 21, assembles part 12 and is provided with and can be communicated with and passes through with energising interface 21 electrical interface 121 of IP protective treatment.

The scheme of fixed panel 11 the bests is that fixed panel 11 is square, on fixed panel 11 end faces, the edge on every limit is equipped with one and assembles part 12, the part 12 that assembles on fixed panel 11 end faces is 4, and each position that assembles part 12 is the middle in every limit all, 4 limit any directions all can dock LED illuminating lamp, the form of applicable polygon docking.

Each assembles and on part 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 assembling on part 12, LED brightness regulation module 23 is set on pcb board 2,4 energising interfaces 21 on pcb board 2 are all the energising interfaces that can control LED switch and regulate LED brightness, any energising interface 21 of connecting on a pcb board 2 all can be controlled switch and the brightness of all LED3 on pcb board 2, easy to use.

Fixed panel 11 is provided with 4 threading positions, and threading bit position is between electrical interface 121 and energising interface 21.In 4 threading positions, at least one threading position is threading via hole 112, the interior electrical connector arranging through IP protective treatment of 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 is used very convenient, and electrical connector passes threading via hole 112 by wire and is connected with the energising interface 21 under it, and the IP protective treatment of electrical connector is in electrical interface 121, to set up water-tight packing ring.Remaining threading position is to be transparent threading screens groove 111 by impact.When two groups of LED illuminating lamp docking, can adopt the part 12 that assembles at threading via hole 112 places to dock, remaining assembles part 12 and as connector, does not use and therefore do not need perforation, employing is the structure of transparent threading screens groove 111 by impact, can effectively improve the grade that dustproof and waterproof performance has improved IP protection, by impact, be that the intensity of transparent threading screens groove 111 is far below the intensity of fixed panel 11 around, suitably impact penetrable, through overpenetrated screens groove 111, just become threading via hole 112, when consumer need to adopt a plurality of LED illuminating lamps to dock, puncture voluntarily and can use again, rational in infrastructure, easy to use.

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 shapes are the squares that mate with fixed panel 11, lens face shield middle part 61 convexes to form cavity volume downwards with respect to edge, the edge of lens face shield 6 is fixed on the edge of fixed panel 11 bottoms by screw 66, specifically the edge of lens face shield 6 bottoms is provided with the mount pad 62 of a plurality of regularly arranged and downward protrusions, 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, while adjusting LED3 or lens 4, just lens face shield 6 need to be pulled down, therefore the fixing mode of screw 66 is the most applicable, for the fastness that guarantees to install, therefore adopted respective outer side edges screw 66 fixing of mount pad 62.On lens face shield 6, be provided with fixed panel 11 junctions the groove 65 that holds water-tight circle, water-tight circle 5 is stuck in groove 65, and the effect that water-tight infiltrates can better be played in the inner side of the position of water-tight circle 5 in screw 66.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, shape and the residing position on side is all identical, when two LED illuminating lamp docking, two air-flow breach 63 corresponding to position shape have been connected to form fluid space, between two lens face shields 6, fluid space is used for to cross-ventilation, and the edge of every side is at least provided with 2 air-flow breach, like this LED illuminating lamp connecting place have at least 2 local to fluid space, for product lamp affixed to the ceiling or 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

64,12 airtight being fitted on lens installing hole 64 of lens 4,12 lens 4 are arranged in 4 curved lenses bands that length is identical, article 4, curved lenses band joins end to end, and every curved lenses band forms by 5 lens arrangement.On pcb board 2, the quantity of LED3 and arrangement position mate with lens 4, each lens 4 directly over a LED3 is set, 12 LED3 are arranged in 4 arc LED luminous zones that length is identical, every arc LED luminous zone is arranged and is formed by 5 LED3.Above-mentioned 12 LED3 are low-voltage direct LED.For realizing the unification of variety classes LED alignment placement, the LED illuminating lamp of this patent has become 4 arc LED luminous zones by 12 low-voltage direct LED form Designs, so that 4 high-voltage LEDs in equidistant arrange evenly can be for replacing above-mentioned low-voltage direct LED, the low-voltage LED of generally applying by existing market is done on the basis of alignment placement, considered that thereby with plus-minus connection wire, changing the LED relation of arranging realizes the layout that is suitable for high direct voltage LED work, when needs are used high direct voltage LED instead, enough with 4 LEDs, in impartial position, use this 4 LEDs, all the other are with pin leads or wire UNICOM circuit, every module 48V/DC power supply for example, drive 12 3V low-voltage direct LED that single power is 1W, its pass of arranging is 12 strings, when using the 54V high-voltage LED that single power is 3W instead and driving with alternating current 220V or direct current 220V, the quantity of every pack 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, will affect the attractive in appearance and illumination of layout evenly.

Under different voltage and different capacity class, the width of Copper Foil wire and spacing requirement are different, power hour, and because its load capacity is little, Copper Foil wire can be more carefully; When voltage is low, because of pressure reduction little, wire pitch also can be less, for accomplishing the compatibility of same pcb board to different voltage and different capacity class, the LED illuminating lamp special design of this patent width and the gap of Copper Foil wire, 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 relevant with the dielectric constant of material with the spacing of wire.It for copper thickness, is the conventional pcb board of 1 ounce, when operating temperature is 20 degree, when Copper Foil conductor width is 0.254mm, can bear the electric current of about 1.2A, 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 illuminating lamp of this patent is connected with power supply is all more than 2.5mm, can guarantee to bear the electric current of 4.5A left and right, as for creep age distance, to ordinary electronic circuit, it is less demanding, be greater than 0.2mm enough, the creep age distance of this patent is 0.8mm, enough surpluses have been reserved, effectively avoided increasing the current overload causing and effectively having prevented because using AC LED and HVDC LED to cause the creepage risk that load voltage raises and produces because of module parallel combination.Above-mentioned special design has realized variety classes LED and has shared the compatibility imagination that a pcb board shares one group of lens outer cover, has facilitated production, has also reduced material cost.

Above-mentioned electrical interface 121 is through IP protective treatment, IP protective treatment refers to the processing that meets IP degree of protection, the IP protective treatment mode of electrical interface 121 is a lot, conventional for example in the surrounding of electrical connector, set up water-tight packing ring, or arrange the closing cap of electrical interface 121 sealings at the outer of electrical interface 121, and above-mentioned by impact, be the IP protective treatment mode that transparent threading screens groove 111 structures all belong to electrical interface 121, adopt the LED illuminating lamp 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 generally seals up with capping, and the obsolete electrical interface 121 of especially corresponding threading via hole 112 need to be used capping sealing.The kind of above-mentioned electrical connector is a lot, and conventional is binding post.

Above-described embodiment is only preferably embodiment of this patent, and the shape of fixed panel can be adjusted variation, such as regular hexagon, octagon, semicircle etc., and best mode is square.Variation can be adjusted in the quantity that assembles part and position on fixed panel, assemble part and on electrical interface 121 can be a plurality of, such as 2,3,5 or 6 etc., the energising interface quantity on pcb board be need to the reserved electrical interface that can switch on 121 quantity Matching.In addition, in embodiment 1,4 threading positions can be all threading via holes 112, can be partly also threading via holes 112.The all position preventing dust water-based of LED illuminating lamp 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 need to increase the shell that keeps off the rain and just can directly use out of doors.By the energising interface 21 on the pcb board 2 that assembles part 12 and mate with it of fixed panel 11 bottom surface side edges, realized in LED illuminating lamp surrounding and kept somewhere expansion edge, realize the Combination conversion of different purposes, different capacity class, to facilitate consumer's multipurpose requirement, can easily a plurality of LED illuminating lamps be docked and be combined, simultaneously assembling part and can fix for the installation of LED illuminating lamp in docking position not.

When LED illuminating lamp is used separately, 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 producing during LED3 work is dissipated by radiating block 1, IC chip 22 on pcb board 2 is controlled the operating current of LED and the work calories of LED by pulse width modulating technology, by changing dutycycle, carry out the adjustment of voltage stabilizing and constant current, by pulse width modulating technology PWM, realize voltage stabilizing and constant current, by IC chip monitoring LED operating temperature, realize temperature protection function, when surpassing setting index, automatically reduces internal temperature the stable work in work that electric current guarantees LED, by changing the method for dutycycle, implement voltage stabilizing, effectively lowered the fluctuation of voltage, improve LED constant current and driven effect, specifically at IC chip internal, be integrated with overheat protector device, even connected triode conducting after its temperature sensor is experienced temperature to surpass a certain value, by shunting, lower operating current, thereby realize desuperheat effect, pulse width modulating technology PWM regulates the biasing of transistor base or metal-oxide-semiconductor grid and then realizes transistor or a kind of analog control mode of metal-oxide-semiconductor ON time change 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 illuminating lamp docking, adjacent LED illuminating lamp connects at part 12 places that assemble separately by connector, by connector and electrical interface, adjacent LED illuminating lamp is electrically connected, and gets final product the independent assortment of utility modules.

Claims

1. a LED illuminating lamp, 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, between lens face shield and radiating block, be provided with water-tight circle, it is characterized in that radiating block comprise fixed panel and on assemble part and heat sink, heat sink with assemble part and be all connected with the end face of fixed panel, pcb board is fixed on the bottom surface of fixed panel, assembles part and is provided with electrical interface; The part that assembles on fixed panel is a plurality of, pcb board is provided with and assembles electrical interface position on part and a plurality of energising interfaces of quantity Matching, LED and pcb board are connected as a single entity, LED brightness regulation module is set, the brightness that each the energising interface on pcb board all can be controlled LED switch and regulate LED on pcb board.

2. a kind of LED illuminating lamp according to claim 1, is characterized in that the IC chip on described pcb board is controlled operating current and the work calories of LED by pulse width modulation.

3. a kind of LED illuminating lamp according to claim 1 and 2, is characterized in that being equipped with a threading position between described every group of electrical interface and energising interface; At least one threading position is threading via hole, in the electrical interface directly at least one threading via hole, electrical connector is set, and electrical connector passes threading via hole by wire and is connected with the energising interface under it; Remaining threading position is to be transparent threading screens groove by impact.

4. a kind of LED illuminating lamp according to claim 3, it is characterized in that fixed panel end face is square, on fixed panel end face, the edge on every limit is equipped with one and assembles part, the part that assembles on fixed panel end face is 4, and equal middle in every limit, each position that assembles part; Each assembles on part and is equipped with the electrical interface through IP protective treatment, and pcb board is provided with 4 positions and assembles the electrical interface coupling on part and the energising interface that can be communicated with electrical interface.

5. a kind of LED illuminating lamp according to claim 4, it is characterized in that the hood-shaped shape of lens face is the square mating with fixed panel, the equal rule of edge of 4 sides of lens face shield is provided with air-flow breach, and air-flow breach quantity, shape and the residing position of 4 sides are all identical.

6. a kind of LED illuminating lamp according to claim 5, is characterized in that the air-flow breach on every side is at least 2.

7. a kind of LED illuminating lamp according to claim 5, it is characterized in that lens face shield is provided with 12 lens installing holes, 12 airtight being fitted on lens installing hole of lens, 12 lens arrangement become 4 curved lenses bands that length is identical, and every curved lenses band is formed by 5 lens arrangement; On pcb board, the quantity of LED and arrangement position mate with lens, each lens directly over a LED is set, 12 LED are arranged in 4 arc LED luminous zones that length is identical.

8. a kind of LED illuminating lamp according to claim 1, is characterized in that being provided with fixed panel junction the groove that holds water-tight circle on lens face shield, and water-tight circle is stuck in groove, the inner side of the position of water-tight circle in screw.