CN201462713U - Aluminium-base luminous plate of LED lamp - Google Patents

Abstract

The utility model discloses an aluminium-base luminous plate of an LED lamp, wherein one surface of the aluminium-base luminous plate is a luminous surface, the other surface is a heat radiating surface, and high brightness LEDs which are sequentially connected in series and encapsulated through patches are arranged on the luminous surface. The high brightness LEDs which are encapsulated through the patches are the LEDs with low power of 0.06W. Ventilation holes are arranged in the aluminium-base luminous plate. The aluminium-base luminous plate adopts a plurality of low-power high brightness LEDs which are encapsulated through the patches; each LED has the power of only 0.06W and the LEDs are distributed on a larger area, thereby effectively reducing glare, easily radiating heat, effectively reducing the temperature rise, and prolonging the service life. The aluminium-base luminous plate can be used for preparing and replacing an original horizontal single-ended fluorescent lamp and facilitate the utilization and the popularization of users.

Description

A kind of aluminium base luminous plaque of LED lamp

Technical field

The utility model relates to the LED light fixture, is specifically related to a kind of aluminium base luminous plaque of LED lamp.

Background technology

Light fixture of the prior art, incandescent lamp are first generation lighting, adopt wire electrified light emitting principle, and its power consumption is big, service life is shorter, and its optical efficiency is low, and easy but it is installed and used, cheap, the scope of application is extensive.

Fluorescent lamp of the prior art belongs to gas-discharge lamp, claim hot cathode low pressure fluorescent-mercury lamp again, it has progressively replaced incandescent lamp and has become second generation main flow lighting source, its light efficiency, life-span have had than much progress than incandescent lamp, but its power consumption is still bigger, and have only its fraction to continue to use the lamp socket of original incandescent lamp, major part is to develop special-purpose lamp bracket in addition.

Along with the development of technology, collect high light efficiency, cold light source, the LED illumination of multiple advantage such as environmental protection and energy saving just progressively strides forward to third generation main stream light sources, brings a huge change for world's lighting field.Led light source has changed the luminous and luminous principle of fluorescent lamp tricolor powder of incandescent lamp tungsten filament, be to utilize electroluminescence, have that light efficiency height, radiationless, life-span are long, the advantage of low-power consumption and environmental protection, the spectrum of led light source almost all concentrates on visible light frequency band, luminous efficiency is up to more than 90%, the limit near the electric light conversion, and its light quality height, essentially no radiation, harmful substance such as not mercurous is also handled behind the life termination easily, belong to typical environmental protection lighting source, and the life-span has reached more than 100,000 hours especially, and is reliability and durability, and maintenance cost is low.

But till today, LED does not still really come into street lamp market.Trace it to its cause, except price was high, some technical difficult points had hindered its development all the time.At first be temperature rise, the heat radiation difficulty causes light decay serious; The 2nd, if adopt several great power LEDs then brightness too converge or some, dazzle is dazzling, is unfavorable for very much people's eyes, is difficult to indoors use.Therefore up till now for this reason, a large amount of hotels, the market office building still uses thousands of mercurous one end fluorescent lamps, and neither environmental protection increases energy consumption again.

The utility model content

In order to solve the existing above-mentioned deficiency of LED light fixture in the prior art, the utility model purpose is to provide a kind of aluminium base luminous plaque of LED lamp, this aluminium base luminous plaque good heat dissipation effect is distributed with a plurality of low-power LEDs, to reach the technique effect of energy-saving and environmental protection and raising lighting quality.

The utility model for achieving the above object, the technical scheme that is provided is:

A kind of aluminium base luminous plaque of LED lamp, the one side of this aluminium base luminous plaque are light-emitting area, and another side is a radiating surface, and described light-emitting area is provided with the highlighted LED of some paster encapsulation of serial connection successively, to bear 255 volts of high direct voltages.

The highlighted LED of paster encapsulation described in the utility model is the low-power LED of 0.06W.

Aluminium base luminous plaque of the present utility model comprises an aluminium matter printed circuit board (PCB) and some the highlighted LED that paster encapsulates that 1.6mm is thick, and the highlighted LED of some pasters encapsulation evenly pastes and is welded on the aluminium matter printed circuit board (PCB), forms light-emitting area.Each LED selects for use and includes Zener diode regulator, to improve the life-span of lamp.

Adopt the surface mount reflow soldering process to paste the highlighted LED that is welded with the encapsulation of 2-3 grain paster on the aluminium matter printed circuit board (PCB) of each square centimeter.

In order further to improve radiating effect, center arrangement has the strip air vent on described aluminium base luminous plaque, the highlighted LED of some paster encapsulation is symmetrically distributed in the both sides of strip air vent, realizes stack effect jointly with the aluminium alloy heat-dissipating casing, improves cross-ventilation speed.

The aluminium base luminous plaque of LED lamp that the utility model provides adopts the highlighted light emitting diode of a plurality of small-power paster encapsulation, because the power of each LED is 0.06W only, be distributed in again on the bigger area, can effectively reduce dazzle, heat is distributed easily, effectively reduce temperature rise, improve service life.The aluminium base luminous plaque of LED lamp that the utility model provides can be used for preparation and replace original horizontal one end fluorescent lamp light fixture, makes things convenient for the user, utilizes and promotes.

The utility model compared with prior art has following advantage:

1) radiating effect is outstanding, and only about 40 ℃, Acceptable life is more than 20000 hours in temperature rise after tested.

2) tens of LED are evenly distributed, and the height light source is an area source, overcome the disadvantage of great power LED dazzle.

3) the utility model 5WLED lamp illumination is equivalent to the 13W one end fluorescent lamp, and energy-saving effect is remarkable.

4) simple in structure, easy to use, with low cost, only be 1/2 of present commercially available same specification LED light fixture price.

The utility model makes green light source come into the businessman sales field after implementing, the parking lot illumination, and office building, auditoriums, hotels, the enterprise square, the illumination of greenery patches, gardens becomes possibility.It is energy-conservation, and is efficient, longevity, and the characteristics of no mercury embody its environmental protection, and social benefit is all very huge.The utility model is described in further detail below in conjunction with drawings and Examples.

Description of drawings

Fig. 1 is the planar structure schematic diagram of aluminium base luminous plaque of the present utility model.

Fig. 2 is the structural representation of aluminium base luminous plaque of the present utility model.

Fig. 3 is applied to the three-dimensional decomposition texture schematic diagram of single-end low-power LED lamp for aluminium base luminous plaque of the present utility model.

The specific embodiment

For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.

Referring to Fig. 1 and Fig. 2, aluminium base luminous plaque 400 comprises an aluminium base 410 that 1.6mm is thick, one side at aluminium base 410 is a light-emitting area 420, another side is a radiating surface 430, on the light-emitting area 420 of aluminium base 410, be shaped on printed circuit 440, after being shaped on printed circuit 440 on the aluminium base 410, aluminium base 410 and printed circuit 440 have just constituted the alleged aluminium matter printed circuit board (PCB) of the utility model

On light-emitting area 420, just on printed circuit 440, adopt the surface mount reflow soldering process to paste the highlighted LED500 that is welded with some paster encapsulation, the highlighted LED500 of these paster encapsulation adopts series system to form and is electrically connected, to bear 255 volts of high direct voltages.The highlighted LED500 of each paster encapsulation selects for use and includes Zener diode regulator, power is the highlighted LED of the paster encapsulation of 0.06W, the life-span that can improve lamp like this.The quantity that the highlighted LED500 of paster encapsulation arranges on the light-emitting area 420 of aluminium base luminous plaque 400 is 2.75/cm ²Be furnished with a strip air vent 450 at aluminium base luminous plaque 400 in addition, the highlighted LED500 of some paster encapsulation is symmetrically distributed in the both sides of strip air vent 450, with the aluminium alloy heat-dissipating casing 600 common stack effects of realizing, improves cross-ventilation speed.To strengthen heat radiation.

Referring to Fig. 3, aluminium base luminous plaque 400 can be used for preparing a kind of single-end low-power LED lamp, this single-end low-power LED lamp, integral body is a cylindricality, adopt horizontal type structure, it comprises the lamp holder 100 that is positioned at whole light fixture one end, and this lamp holder is the G24 type lamp holder that cooperates with PLC pipe G24 interface, can certainly with one of other interfaces such as E27, E14, E40 matching used lamp holder.Adopt G24 type lamp holder can make full use of existing fluorescent lamp socket resource.

Be provided with the slot 110 that is used for plug-in mounting pcb board 300 in lamp holder 100, slot 110 is two, symmetrical upper and lower settings, and pcb board 300 is inserted in these two slots 110, and integrated circuit constant-current source (not shown) is installed on pcb board 300.The input termination civil power of integrated circuit constant-current source, and the highlighted LED500 of output termination paster encapsulation.Two slots 120 that also are provided with about symmetry in lamp holder 100 in order to aluminium alloy heat-dissipating casing 600 to be installed also have two counterbores 130 in the position of every slots 120 of correspondence.End at aluminium alloy heat-dissipating casing 600 is provided with two mounting bracket bars 610, on each root mounting bracket bar 610, offer two screw holes 620, after two mounting bracket bars 610 on the aluminium alloy heat-dissipating casing 600 are inserted in the slot 120, these two screw holes 620 are just in time corresponding with two counterbores 130 on the lamp holder 100, pass four counterbores 130 on the lamp holder 100 with four screws 630, screw in four screw holes 620 on two mounting bracket bars 610 on the aluminium alloy heat-dissipating casing 600, aluminium alloy heat-dissipating casing 600 can be installed on the lamp holder 100.

The radiating surface 430 of aluminium base luminous plaque 400 adopts the thermal grease conduction of high thermal conductivity coefficient to stick on the bottom surface of aluminium alloy heat-dissipating casing 600, four angles at aluminium alloy heat-dissipating casing 600 are provided with the bolt hole (not shown), four angles at aluminium base luminous plaque 400 are provided with installing hole 460, four angles in lampshade 700 are provided with screw hole 710 simultaneously, the bolt hole at four angles of aluminium alloy heat-dissipating casing 600, screw hole 710 positions at the installing hole 460 at four angles of aluminium base luminous plaque 400 and lampshade 700 interior four angles are corresponding, pass the bolt hole at four angles of aluminium alloy heat-dissipating casing 600 with four bolt (not shown)s, the screw hole 710 at the installing hole 460 at four angles of aluminium base luminous plaque 400 and lampshade 700 interior four angles can be with aluminium alloy heat-dissipating casing 600, aluminium base luminous plaque 400 and lampshade 700 are installed together.

Whole aluminium alloy heat-dissipating casing 600 is positioned at aluminium base luminous plaque 400 tops.Aluminium alloy heat-dissipating casing 600 is the profile of tooth aluminium radiator, bottom in profile of tooth aluminium radiator central authorities is provided with the air vent (not shown), strip air vent 450 on this air vent and the aluminium base luminous plaque 400 connects, and can form the outflow that stack effect quickens hot-air.Parts of tooth 660 at the profile of tooth aluminium radiator has many vertical and horizontal air radiating grooves 640, cold air flows into around the profile of tooth aluminium radiator, hot-air flows out from the top of profile of tooth aluminium radiator, form good cross-ventilation effect, to bring into play maximum radiating effect, reduce the temperature of LED, be lower than 60 ℃ through the actual measurement maximum temperature.The service life that can guarantee the LED lamp is more than 20000 hours.

Lampshade 700 can be made by glass or transparent plastic, and the cover 710 of this lampshade 700 offers some air vent (not shown)s for arcuation or plane add both sides arc transition structure on cover 710.

More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (5)

1. the aluminium base luminous plaque of a LED lamp is characterized in that, the one side of this aluminium base luminous plaque is a light-emitting area, and another side is a radiating surface, and described light-emitting area is provided with the highlighted LED of the paster encapsulation of serial connection successively.

2. aluminium base luminous plaque as claimed in claim 1 is characterized in that, the highlighted LED of described paster encapsulation is the low-power LED of 0.06W, and the highlighted LED of each paster encapsulation includes Zener diode regulator.

3. aluminium base luminous plaque as claimed in claim 1 or 2, it is characterized in that, described aluminium base luminous plaque comprises an aluminium matter printed circuit board (PCB) and some the highlighted LED that paster encapsulates that 1.6mm is thick, and the highlighted LED of some pasters encapsulation evenly pastes and is welded on the aluminium matter printed circuit board (PCB), forms light-emitting area.

4. aluminium base luminous plaque as claimed in claim 3 is characterized in that, adopts the surface mount reflow soldering process to paste the highlighted LED that is welded with the encapsulation of 2-3 grain paster on the aluminium matter printed circuit board (PCB) of each square centimeter.

5. aluminium base luminous plaque as claimed in claim 1 or 2 is characterized in that, center arrangement has the strip air vent on described aluminium base luminous plaque, and the highlighted LED of some paster encapsulation is symmetrically distributed in the both sides of strip air vent.

Images