CN105736966A

CN105736966A - Led module

Info

Publication number: CN105736966A
Application number: CN201610169012.6A
Authority: CN
Inventors: 王丽娜
Original assignee: 王丽娜
Current assignee: Hangzhou Xing Bi Science and Technology Ltd.
Priority date: 2013-10-11
Filing date: 2013-10-11
Publication date: 2016-07-06
Anticipated expiration: 2033-10-11
Also published as: CN105736966B

Abstract

The invention relates to the field of LED lighting lamps. An LED module comprises LEDs, a PCB, lenses, a lens mask and a heat dissipation block. The LEDs are mounted on the PCB, the PCB is fixed to the heat dissipation block, and the lenses are mounted on the lens mask in an airtight manner. The lens mask is fixed to the heat dissipation block. The aluminum heat dissipation block comprises a fixing panel, connecting assembly parts and heat dissipation plates, wherein the connecting assembly parts and the heat dissipation plates are arranged on the fixing panel. The heat dissipation plates and the connecting assembly parts are all connected with the top face of the fixing panel. The PCB is fixed to the bottom face of the fixing panel. An electric interface is arranged on each connecting assembly part. The PCB is provided with energizing interfaces which are matched with the electric interfaces on the connecting assembly parts in position and can communicate with the electric interfaces. Threading positions are arranged on the fixing panel and located between the electric interfaces and the energizing interfaces. The LED module has the beneficial effects of being novel in structure, capable of being combined freely, good in waterproofness and suitable for being used outdoors.

Description

LED module

Present patent application is application number is the divisional application of " 201310473702.7 " patent of invention, and the applying date of original application is: 2013-10-11, and the application number of original application is: 201310473702.7, and the title of original application is: LED module.

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 is to change, once the size that just cannot adjust its shape and power after product shaping, brightness is adjusted only by the luminance adjustment module 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 it is not connected between multiple LED illumination lamp, or is electrically connected together by the wire exposed, it is impossible to as a unified overall use.Additionally, current LED market is all mostly adopt low-voltage LED, 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 changing a kind of LED just make a different pcb board and different lens cover, not only bothering, also will certainly cause the waste of goods, materials and equipments.

Summary of the invention

The invention aims to solve the deficiency that above-mentioned existing LED module exists, it is provided that a kind of novel structure, it is possible to independent assortment, perfect heat-dissipating, be suitable for the LED module of outdoor use.

In order to realize foregoing invention purpose, present invention employs following technical scheme:

LED module, including 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 includes fixed panel and thereon assembles part and heat sink, heat sink is all connected with the end face of fixed panel with assembling part, pcb board is fixed on the bottom surface of fixed panel, assemble part and be provided with electrical interface, pcb board is provided with position and the electrical interface coupling assembling on part and the energising interface that can connect 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 part that assembles on described fixed panel is multiple, and pcb board is provided with the multiple energising interfaces with the electrical interface position assembled on part and quantity Matching, is often equipped with a threading position between group electrical interface and energising interface；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 connected with each other of multiple LED module can be realized by multiple parts that assemble, threading position between electrical interface and the energising interface that need not connect is threading via hole, threading position between electrical interface and the energising interface that need not connect is by impact and transparent threading screens groove, can effectively improve dustproof and waterproof performance and namely improve the grade of IP protection, by the intensity of impact and the transparent threading screens groove intensity far below the fixed panel of surrounding, suitably impact and can penetrate, puncture voluntarily again can use when consumer needs to adopt multiple LED module to dock, rational in infrastructure, easy to use.

Arranging LED luminance adjustment module on pcb board, each energising interface on pcb board all can control LED switch and regulate the brightness of LED, arbitrarily connects 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 power reguirements and reducing unit volume, have both effectively reduced the requirement to power supply power supply performance, have compressed again volumetric spaces；IC chip on pcb board controls operating current and the work calories of LED by pulse width modulation, 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 changing the method for 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 of each edge is equipped with one and assembles part, and the part that assembles on fixed panel end face is 4, and each position assembling part is in the middle of each edge；Each assemble the electrical interface being equipped with on part through IP protective treatment, electrical interface coupling that pcb board is provided with 4 positions and assembles on part and the energising interface that can connect with electrical interface.The combined effect of multiple modules is best, and four direction can be in any combination.

As preferably, 4 assemble part be divided into 2 to assemble part one and 2 assemble part two, the outer side edges assembling part one is provided with the projection being connected as a single entity with it, and the outer side edges assembling part 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, the projection assembled on part one of one LED module snaps in the draw-in groove assembled on part two of another LED module, add the bonding strength of two groups of LED modules, especially it is possible to prevent two groups of LED modules to be subjected to displacement, affects 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 higher 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 to increase as much as possible area of dissipation, owing to the distance between adjacent heat radiation plate is limit, all of heat sink all cannot be adopted long cooling plate structure, namely all of heat sink all adopts 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, relative to the downwardly convex formation cavity volume in edge in the middle part of lens face shield, 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 downwardly projecting mounting seat, and mounting seat and lens face shield are connected as a single entity, and screw is fixed on fixed panel through mounting seat, firmly installs.

As preferably, lens face hood shape is square with what fixed panel size was mated, edge's all rules of 4 sides of lens face shield are provided with air-flow breach, article 4, the air-flow breach quantity of side, shape are all identical with location, the edge of every 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；Sealing water proof ring it is provided with between lens face shield and radiating block, lens face shield is provided with fixed panel junction and holds the groove sealing water proof ring, sealing water proof ring and be stuck in groove, the position sealing water proof ring 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 curved lenses band is formed by 5 lens arrangement；On pcb board, the quantity of LED and arrangement position mate with lens, namely each lens be arranged above a LED, 12 LED are arranged in 4 identical arc LED luminous zones of length, and not only illumination effect is good, and are easy to the replacing of follow-up different voltage LED.

As preferably, what assemble electrical interface on part is respectively provided on two sides with connecting hole, assembles and arranges installation connecting plate on part, and screw is fixed in connecting hole through installing connecting plate, it is simple to the installation of whole LED module is fixed.

As preferably, middle heat sink is provided with the mounting post with screw being connected as a single entity with it, screw opening upwards, and mounting post is installed connecting plate, installs screw and is fixed in mounting post through connecting plate, it is simple to the installation of 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 includes fixed panel and part and the heat sink of assembling thereon, and heat sink is all connected with the end face of fixed panel with assembling part, perfect heat-dissipating；Electrical interface is connected by threading position with energising interface, rational in infrastructure, achieved by the energising interface assembled on part and pcb board on fixed panel and extend edge in LED module indwelling, realize the Combination conversion of different purposes, different capacity class, to facilitate the multipurpose requirement of consumer, namely easily multiple LED modules can be carried out docking to be combined, simultaneously not may be used for the installation of LED module fix at the part that assembles of docking position.In sum, the advantage of this LED module is novel structure, it is possible to independent assortment, and good waterproof performance is suitable for 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-9 pairs of the specific embodiment of the present invention of Fig. 1.

Embodiment 1

LED module as shown in figs. 1-7, mainly includes LED3, pcb board 2, lens 4, lens face shield 6 and radiating block 1.

LED3 is arranged on pcb board 2, and specifically the bottom of LED3 is integrally attached on pcb board 2, to lower power supply power reguirements and reducing unit volume, has both effectively reduced the requirement to power supply power supply performance, have compressed again volumetric spaces.IC chip 22 on pcb board 2 controls operating current and the work calories of LED by pulse width modulation, carries out the adjustment of voltage stabilizing and constant current by changing dutycycle.

Radiating block 1 is integral type aluminum radiating block, and radiating block 1 is by fixed panel 11 and thereon assembles part 12 and heat sink 13 is constituted.Pcb board 2 is fixed on the bottom surface of fixed panel 11, heat sink 13 and the bottom assembling part 12 are all connected as a single entity with the end face of fixed panel 11, assemble part 12 and be in the edge of fixed panel 11 end face, pcb board 2 is provided with energising interface 21, assembles part 12 and is provided with and can connect and through the electrical interface 121 of IP protective treatment with energising interface 21.

Fixed panel 11 is square, best scheme is that fixed panel 11 is square, on fixed panel 11 end face, the edge of each edge is equipped with one and assembles part 12, the part 12 that assembles on fixed panel 11 end face is 4, and each position assembling part 12 is in the middle of each edge, 4 limit any directions all can dock LED module, is best suitable for the form of polygon docking.

Each assembling is equipped with electrical interface 121 on part 12, pcb board 2 is provided with 4 positions and mates corresponding energising interface 21 with the electrical interface 121 assembled on part 12, pcb board 2 arranges LED luminance adjustment module 23,4 energising interfaces 21 on pcb board 2 are all can control LED switch and regulate the energising interface of LED luminance, namely arbitrarily connect the energising interface 21 on a pcb board 2 and all can control switch and the brightness of all LED3 on pcb board 2, 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, in electrical interface 121 directly at least one threading via hole 112, the electrical connector through IP protective treatment is set, 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 is to set up sealing washer circle in electrical interface 121.Remaining threading position is by impact and transparent threading screens groove 111.When two groups of LED module docking, the part 12 that assembles that can adopt threading via hole 112 place docks, remaining assembles part 12 and therefore need not bore a hole not as connector use, adopt the structure by impact and transparent threading screens groove 111, can effectively improve dustproof and waterproof performance and namely improve the grade of IP protection, by the intensity of impact and transparent threading screens groove 111 intensity far below the fixed panel 11 of surrounding, suitably impact and can penetrate, threading via hole 112 has been reformed into 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 assemble part 12 be divided into 2 to assemble part one 12a and 2 assemble part two 12b, assemble part one 12a and assemble part two 12b and be all arranged oppositely, the outer side edges assembling part one 12a is provided with the projection 12a1 being connected as a single entity with it, the outer side edges assembling part 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 and the projection 12a1 semicircle mated.LED module can single sale and use, when needs increase brightness, two identical LED modules can dock, the projection 12a1 assembled on part one of one LED module snaps in the draw-in groove 12b1 assembled on part two of another LED module, add the bonding strength of two groups of LED modules, especially it is possible to prevent two groups of LED modules to be subjected to displacement, affects the reliability of two groups of LED module electrical connections.

What assemble electrical interface 121 on part 12 is respectively provided on two sides with connecting hole 125, and connecting hole 125 is for assembling connecting piece, for the fixed installation of whole LED module.

Heat sink 13 is the polylith 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 higher 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 to increase as much as possible area of dissipation, owing to the distance between adjacent heat radiation plate 13 is limit, all of heat sink 13 all cannot be adopted long cooling plate structure, namely all of heat sink 13 all adopts 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 sealing water proof ring 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 relative to the downwardly convex formation cavity volume in edge, the edge of lens face shield 6 is fixed on the edge bottom fixed panel 11 by screw 66, specifically the edge bottom lens face shield 6 is provided with multiple regularly arranged and downwardly projecting mounting seat 62, the edge of mounting seat 62 and lens face shield 6 is connected as a single entity, screw 66 is fixed on fixed panel 11 through mounting seat 62, it is accomplished by pulling down lens face shield 6 when adjusting LED3 or lens 4, therefore the mode that screw 66 is fixing is best suitable for, in order to ensure the fastness installed, therefore have employed the fixing of the respective outer side edges screw 66 of mounting seat 62.Being provided with fixed panel 11 junction on lens face shield 6 and hold the groove 65 sealing water proof ring, seal water proof ring 5 and be stuck in groove 65, the position sealing water proof ring 5 is in the inner side of screw 66, it is possible to better plays and seals the effect that waterproof is penetrated into.Edge's all rules of 4 sides of lens face shield 6 are provided with air-flow breach 63, article 4, air-flow breach 63 quantity on side, shape are all identical with location, when two LED module docking, two air-flow breach 63 corresponding to position shape have been connected to form convection space, when module is connected with module, between two lens face shields 6, convection space is used for cross-ventilation, and the edge of every side is at least provided with 2 air-flow breach, such LED module connecting place has at least the convection space of 2 local, for lamp affixed to the ceiling or the product of body seal, more efficient.

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 4 identical curved lenses bands of length, 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, namely each lens 4 be arranged above a LED3,12 LED3 are arranged in 4 identical arc LED luminous zones of length, and every arc LED luminous zone forms by 5 LED3 arrangements.Above-mentioned 12 LED3 are low-voltage direct LED.nullFor 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，So that 4 high-voltage LED arrangements in equidistant are uniformly substituted for above-mentioned low-voltage direct LED，Namely make on the basis of alignment placement with the low-voltage LED that existing market is commonly used，Consider and change LED arrangement relation with plus-minus connection wire thus realizing being suitable to the layout of high direct voltage LED operation，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，12 the 3V low-voltage direct LED driving single power to be 1W，Then its arrangement relation is 12 strings，When using 54V high-voltage LED that single power is 3W instead and driving with alternating current 220V or direct current 220V，The quantity then often organizing module LED reforms into 4，And this 4 LEDs must conspire to create a string，Its position also must be placed properly，Otherwise，Will affect that layout is attractive in appearance and illumination uniform.

Under different voltages and different capacity class, the width of Copper Foil wire and pitch requirements are different, and power hour, 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 same pcb board compatibility to different voltages and different capacity class, the LED module of this patent has been specifically designed 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 then relevant with the dielectric constant of the spacing of wire and material.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, for the benefit of multimode connection in series-parallel realizes the electric current of the whole above power of lamp 120W and 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, can ensure that the electric current bearing about 4.5A, as for creep age distance, to typical electronic circuitry, it is less demanding, namely enough more than 0.2mm, the creep age distance of this patent is 0.8mm, leave enough surpluses, effectively prevent the current overload caused because wired in parallel combination increases and effectively prevent the creepage risk produced because using AC LED and HVDC LED to cause load voltage rising.Above-mentioned special design achieves variety classes LED and shares the compatible imagination of the shared one group of lens cover of a pcb board, 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 sealing washer circle around electrical connector, or outer at electrical interface 121 arranges the closing cap closed by electrical interface 121, and the above-mentioned IP protective treatment mode 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 up to 66.When above-mentioned electrical interface 121 is not used in docking, its opening is generally lived with lidstock, and the electrical interface 121 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 in the middle of specifically is provided with the mounting post 133 with screw being connected as a single entity with it, screw opening upwards, installing connecting plate 134 in mounting post 133, install screw and be fixed in mounting post 133 through connecting plate 134, connecting plate 134 may be used for the installation of whole LED module to be fixed.For docking assembling of LED module, part 12 arranges electrical connector 124, namely electrical connector 124 is respectively provided with sealing washer circle at electrical connector about 124 through IP protective treatment, additionally assemble on part 12 what be 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 assemble and part 12 arranges installation connecting plate 123, screw is fixed in connecting hole 125 through installing connecting plate 123, installs perforate on connecting plate 123.This assembles part 12 and does not play the function that connection function rises installation, may be used for the installation of whole LED module by installing connecting plate 123 and fixes.Heat sink 13 in the middle of additionally is provided with the mounting post 133 with screw being connected as a single entity with it, screw opening upwards, and mounting post 133 may be used for the fixing of LED module alternate manner.Arranging electrical connector 124 on part 12 for docking assembling of LED module, namely electrical connector 124 is respectively provided with sealing washer circle 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, for instance regular hexagon, octagon, semicircle etc., and best mode is square.The quantity assembling part and position on fixed panel can adjust change, the quantity assembling part can be 1, just can only realize the connection of 2 LED modules, assemble part and electrical interface thereon 121 can be multiple, such as 2,3,5 or 6 etc., the energising interface quantity on pcb board is to need and reserved electrical interface 121 quantity Matching that can be energized.It addition, 4 threading positions can be entirely threading via hole 112 in embodiment 1, it is also possible to part is threading via hole 112.LED module all of position preventing dust aqueous in above-described embodiment is all very good, and IP degree of protection is high, reaches 66, complies fully with the condition of outdoor use, namely need not increase the shell that keeps off the rain and just can directly use out of doors.Achieved by the energising interface 21 assembled on part 12 and matched pcb board 2 of fixed panel 11 bottom surface side edge and extend edge in LED module surrounding indwelling, realize the Combination conversion of different purposes, different capacity class, to facilitate the multipurpose requirement of consumer, namely easily multiple LED modules can be carried out docking to be combined, simultaneously not may be used for the installation of LED module fix at the part that assembles of docking position.

nullWhen LED module is used alone，By the switch of the IC chip controls LED3 on pcb board 2 and brightness regulation，The light that LED3 sends is penetrated by lens 4，The heat produced during LED3 work is dissipated by radiating block 1，IC chip 22 on pcb board 2 controls the operating current of LED and the work calories of LED by pulse width modulating technology，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 operation 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 changing the method for dutycycle，Effectively reduce the fluctuation of voltage，Improve LED constant current and drive effect，Specifically it is integrated with overheat protector device at IC chip internal，Even if experiencing, until its temperature sensor, the triode ON being connected after temperature exceedes a certain value，Operating current is lowered by tapping，Thus realizing desuperheat effect；Pulse width modulating technology PWM regulates the biasing of transistor base or metal-oxide-semiconductor grid according to load change and then realizes transistor or a kind of analog control mode of metal-oxide-semiconductor ON time 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 attached at respective part 12 place that assembles by connector, adjacent LED modules is electrically connected by connector and electrical interface, gets final product the independent assortment of utility modules.

Claims

1.LED module, including 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 includes fixed panel and thereon assembles part and heat sink, heat sink is all connected with the end face of fixed panel with assembling part, pcb board is fixed on the bottom surface of fixed panel, assemble part and be provided with electrical interface, pcb board is provided with position and the electrical interface coupling assembling on part and the energising interface that can connect with electrical interface, fixed panel is provided with threading position, the position of threading position is between electrical interface and energising interface；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 higher 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；What assemble electrical interface on part is respectively provided on two sides with connecting hole, assembles and arranges installation connecting plate on part, and screw is fixed in connecting hole through installing connecting plate.

2. LED module according to claim 1, the part that assembles that it is characterized in that on described fixed panel is multiple, pcb board is provided with the multiple energising interfaces with the electrical interface position assembled on part and quantity Matching, is often equipped with a threading position between group electrical interface and energising interface；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.

3. LED module according to claim 2, it is characterised in that arrange LED luminance adjustment module on pcb board, each energising interface on pcb board all can control LED switch and regulate the brightness of LED；LED and pcb board are connected as a single entity, and the IC chip on pcb board controls operating current and the work calories of LED by pulse width modulation, carries out the adjustment of voltage stabilizing and constant current by changing dutycycle.

4. the LED module according to Claims 2 or 3, it is characterized in that fixed panel end face is square, on fixed panel end face, the edge of each edge is equipped with one and assembles part, the part that assembles on fixed panel end face is 4, and each position assembling part is in the middle of each edge；Each assemble the electrical interface being equipped with on part through IP protective treatment, electrical interface coupling that pcb board is provided with 4 positions and assembles on part and the energising interface that can connect with electrical interface.

5. LED module according to claim 4, it is characterized in that 4 assemble part be divided into 2 to assemble part one and 2 assemble part two, the outer side edges assembling part one is provided with the projection being connected as a single entity with it, and the outer side edges assembling part two is provided with the draw-in groove holding projection.

6. LED module according to claim 1, it is characterised in that relative to the downwardly convex formation cavity volume in edge in the middle part of lens face shield, 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 downwardly projecting mounting seat, and mounting seat and lens face shield are connected as a single entity, and screw is fixed on fixed panel through mounting seat.

7. LED module according to claim 4, it is characterized in that lens face hood shape is square with what fixed panel size was mated, edge's all rules of 4 sides of lens face shield are provided with air-flow breach, article 4, the air-flow breach quantity of side, shape are all identical with location, and the edge of every side is at least provided with 2 air-flow breach；Being provided with sealing water proof ring between lens face shield and radiating block, lens face shield is provided with fixed panel junction and holds the groove sealing water proof ring, seal water proof ring and be stuck in groove, the position sealing water proof ring 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 curved lenses band is formed by 5 lens arrangement；On pcb board, the quantity of LED and arrangement position mate with lens, namely each lens be arranged above a LED, 12 LED are arranged in 4 identical arc LED luminous zones of length.