CN101893170B

CN101893170B - Unitized LED illumination lamp

Info

Publication number: CN101893170B
Application number: CN200910145241.4A
Authority: CN
Inventors: 金松山
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-24
Filing date: 2009-05-24
Publication date: 2014-03-26
Anticipated expiration: 2029-05-24
Also published as: CN101893170A

Abstract

The invention discloses a unitized LED illumination lamp, which comprises heat dissipation units, LEDs, a reflector and a lampshade. The unitized LED illumination lamp is characterized in that: the heat dissipation unit consists of a heat conducting plate or a heat conducting plate and a heat conducting oblique plate, and both the upside and the inclined plane of the heat conducting plate or the heat conducting oblique plate are provided with radiating fins; the LEDs are fixed on the underside or the inner inclined plane of the heat conducting plate or the heat conducting oblique plate; and the lateral surface of the heat conducting plate or the heat conducting oblique plate is provided with a bracket. The LEDs have the same and different irradiation directions; a light emitting surface of the lampshade, corresponding to the reflector, is also provided with an optical light distribution lens; an integrated power supply is arranged in a power supply box; and the parallel heat dissipation units are isolated by air. The heat dissipation units can realize oblong light distribution with uniform light distribution to meet the light distribution requirement of a street lamp or a tunnel lamp, reduce light attenuation of the high-power LEDs and ensure long service life of the high-power LEDs and are convenient for maintenance and replacement of a driving power supply so that the unitized LED illumination lamp with high power, good light distribution and heat dissipation effects and convenient maintenance becomes possible.

Description

Unitized LED illumination lamp

Technical field

The present invention relates to a kind of LED lighting, particularly a kind of unitized LED illumination lamp that comprises LED lamp and reflector.

Background technology

Semi-conductor electricity light source is a kind of electric light source without filament, is a kind of luminescent device that is directly luminous energy electric energy conversion, is called light emitting diode, also referred to as semiconductor lamp, and the English LED that is called for short.LED illumination is considered to the new energy-conserving light source of illumination of 21 century, because under same brightness, LED lamp power consumption is only 1/10 of ordinary incandescent lamp, 1/2 of fluorescent tube, LED lamp is not only energy-conservation, also has that the life-span is long, volume is little, safety, environmental protection, a feature such as non-maintaining, easy to control.LED lamp, as novel illumination light source, has the very big potentiality of alternative traditional lighting light source.Therefore, research and development high-tech, high efficiency, LED light fixture cheaply, make it, in more traditional lighting field alternate application, to have extremely important realistic meaning.

Great power LED is a direction of LED industry future development, but great power LED has relatively high expectations to heat dissipation technology, and the power of LED module is larger, and the heat flow density of its chip is just higher.When the effect of radiator is bad, the temperature of LED chip sharply rises, and can produce very soon light decay, even damages LED chip.Only have the heat dissipation technology that solves great power LED, delay to greatest extent the light decay of LED, could promote widely the application of great power LED.

At present, the radiator structure of high-power LED street lamp, Tunnel Lamp and Projecting Lamp, adopts plate shaped extrusion section bar electronic heat sink or hot pipe technique mostly.Adopt the light fixture of plate shaped extrusion section bar, by many great power LEDs, formed, at the central hot of its radiator, concentrate, unbalanced to the heat radiation of great power LED, and cause the great power LED in centre to produce light decay, shorten luminescent lifetime.In addition, adopted great power LED that lighting angle is little and secondary lens and produced dazzle, the arrangement of great power LED is more concentrated again, can not meet the needed distribution curve flux in various places.Adopt hot pipe technique cost high, easy dust stratification dirt in fin, the necessary larger shell of overcoat, therefore affects whole radiating effect.

Summary of the invention

For solving the radiator structure of high-power LED street lamp, Tunnel Lamp, Projecting Lamp and meeting needed distribution curve flux, the invention provides a kind of unitized LED illumination lamp.

The technical solution adopted for the present invention to solve the technical problems is: comprise heat-sink unit, LED, reflector and lampshade, this heat-sink unit consists of heat-conducting plate or heat-conducting plate and heat conduction swash plate, heat-conducting plate or heat conduction swash plate be provided with fin above and on inclined-plane; Below heat-conducting plate or heat conduction swash plate or interior inclined-plane be fixed with LED; Side at heat-conducting plate or heat conduction swash plate is provided with support.

The direction of illumination of described LED has identical and not identical, and surrounds with reflector in the surrounding of its LED, and the specified direction of illumination of the opening direction of reflector and LED is consistent, and is fixed on support.

On the exiting surface of the described lampshade corresponding with reflector, be also provided with optics light-distribution lens.

After being inserted in sealing shroud in described lampshade both-side ends, fill in rack groove the inside, make lampshade and support realize sealing.

In can the inside, put into LED drive plate, with packaging plastic is filling, be integrated simultaneously, and with bolt, power supply cover plate and can fixed; Integrated power supply is packed into power pack the inside, power supply cover plate is placed on above the step of power pack simultaneously, and fastening with bolt and step.

On described heat-sink unit, be also provided with large fixing hole and little fixing hole; Heat-sink unit is arranged with parallel way, simultaneously will be with air insulated between side by side; Also use bolt front apron, sealing gasket, heat-sink unit and power pack, by fixing hole and bolt hole, will connect into integral body.

The power supply of described LED drive plate will, through power supply lead wire hole and LED fairlead, be electrically connected to LED.

The present invention is owing to adopting heat-sink unit, the rectangle luminous intensity distribution that light is evenly distributed be can realize and street lamp or the required light distribution requirements of Tunnel Lamp met, reduce to greatest extent the light decay of great power LED, guarantee that great power LED is used maintenance and the replacing of long-life object and very convenient driving power, thereby make high-powerly to there is unitized LED illumination lamp good luminous intensity distribution and radiating effect and easy to maintenance and become possibility.

Accompanying drawing explanation

Fig. 1 is the organigram of the embodiment of the present invention;

Fig. 2 be in Fig. 1 A to structure enlarged diagram;

Fig. 3 is the light-emitting area structural scheme of mechanism of the embodiment of Fig. 1;

Fig. 4 is the radiating surface structural scheme of mechanism of Fig. 3;

Fig. 5 is that the B-B of power pack in Fig. 4 is to half-sectional view.

1. heat-conducting plates in figure, 2. fixing hole, 3. fin, 4. heat conduction swash plate, 5. heat-sink unit, 6. fixing hole, 7. support, 8. groove, 9. sealing shroud, 10. lampshade, 11. light-distribution lens, 12.LED, 13. reflectors, 14. front aprons, 15. sealing gaskets, 16. power packs, 17. bolts, 18. power supply cover plates, 19.LED fairlead, 20. bolts hole, 21. power supply lead wire holes, 22.LED drive plate, 23. cans, 24. integrated power supplies.

The specific embodiment

Shown in Fig. 1～Fig. 5, the present invention includes heat-sink unit 5, LED12, reflector 13 and lampshade 10, the heat-conducting plate 1 of this heat-sink unit 5 is provided with fin 3 above and on the inclined-plane of heat conduction swash plate 4; On the interior inclined-plane of heat-conducting plate 1 of the middle heat-sink unit 5 of Fig. 1 embodiment, be fixed with LED12, also can below heat-conducting plate 1, be fixed with LED12; Heat-sink unit 5 in Fig. 1 embodiment both sides, consists of heat-conducting plate 1 and heat conduction swash plate 4, on interior inclined-plane, is fixed with LED12, also can below heat-conducting plate 1, be fixed with LED12, and the gradient of adjusting heat conduction swash plate 4 can change LED12 irradiating angle and direction; On the side, two of left and right of heat-conducting plate 1 or heat conduction swash plate 4, be provided with the fixedly support 7 of reflector 13 and lampshade 10.Wherein by reflector 13, surround LED12, LED12 direction of illumination has identical and not identical, and the specified direction of illumination of the opening direction of reflector 13 and LED12 is consistent.According to luminous intensity distribution and power requirement, two heat-sink units 5 of both sides can be changed mutually, will change opening direction and the specified direction of illumination of LED12 of reflector 13, namely reflector 13 opening directions can be inside, also can be outside.Implement when of the present invention, can only with these two heat-sink units 5, be combined into light source and use, also can only with middle heat-sink unit 5, be combined into light source use.

Sealing for heat-sink unit 5, on its support 7, be provided with groove 8, and fill in sealing shroud 9 in its groove 8 the insides, the part of again both-side ends of lampshade 10 being protruded is filled in sealing shroud 9 the insides, so can utilize the different thermal coefficient of expansion of heat sink material and lampshade 10 materials, is mutually close to the sealing of coming together to realize lampshade 10 both sides.

Reflector 13 can put together astigmatic LED12 light source, irradiate the direction of institute's opening appointment, but because there are a plurality of LED12 to irradiate simultaneously, distribution on ground light source is inhomogeneous, so increase a kind of light-distribution lens 11 in corresponding lampshade 10 the insides of reflector 13, coordinate reflector 13, and take on and complete ground light shape and the uniformity.

In can 23 the insides, put into LED drive plate 22.In order further to improve the technical performance of LED drive plate 22, can 23 and LED drive plate 22 and power supply cover plate 18, with packaging plastic is filling, be integrated, and with bolt, power supply cover plate 18 and can 23 is fastening, complete integrated power supply 24.Again this integrated power supply 24 is packed into power pack 16 the insides, this power supply cover plate 18 is placed in above the step of power pack 16 simultaneously, and fastening with bolt and step.This result is that the heat of LED drive plate 22 distributes around in air by power supply cover plate 18, and has not only improved radiating effect, the easily replacing of integrated power supply 24 and electrical connection and the maintenance of heat-sink unit 5.

When implementing a kind of light fixture of the present invention, needed heat-sink unit 5 is arranged with form arranged side by side, between its heat-sink unit arranged side by side 5, to there is certain spacing simultaneously, be exactly with air insulated, then with bolt 17 front apron 14 and sealing gasket 15 be fixed on the fixing hole 2 of heat-sink unit 5 one sides or fixing hole 6 above.Again power pack 16 is passed through to bolt hole 20 and sealing gasket 15, link into an integrated entity with fixing hole 2 or the fixing hole 6 of heat-sink unit 5 opposite sides.

The present invention also has the power supply of LED drive plate 22 through power supply lead wire hole 21 and LED fairlead 19, to be electrically connected to LED12.

Claims

1. a unitized LED illumination lamp, comprises heat-sink unit, LED, reflector and lampshade, it is characterized in that, this heat-sink unit consists of heat-conducting plate or heat-conducting plate and heat conduction swash plate, heat-conducting plate or heat conduction swash plate be provided with fin above and on inclined-plane; Below heat-conducting plate or heat conduction swash plate or interior inclined-plane be fixed with LED; Side at heat-conducting plate or heat conduction swash plate is provided with support;

2. unitized LED illumination lamp according to claim 1, it is characterized in that, the direction of illumination of described LED has identical and not identical, and surrounds with reflector in the surrounding of its LED, the specified direction of illumination of the opening direction of reflector and LED is consistent, and is fixed on support.

3. unitized LED illumination lamp according to claim 1, is characterized in that, is also provided with optics light-distribution lens on the exiting surface of the described lampshade corresponding with reflector.

4. unitized LED illumination lamp according to claim 1, is characterized in that, is inserted in sealing shroud and fills in afterwards in rack groove the inside in described lampshade both-side ends, makes lampshade and support realize sealing.

5. unitized LED illumination lamp according to claim 1, is characterized in that, is also provided with fixing hole on described heat-sink unit; Heat-sink unit is arranged with parallel way, simultaneously will be with air insulated between side by side; Also use bolt front apron, sealing gasket, heat-sink unit and power pack, by fixing hole and bolt hole, will connect into integral body.

6. unitized LED illumination lamp according to claim 1, is characterized in that, the power supply of described LED drive plate will, through power supply lead wire hole and LED fairlead, be electrically connected to LED.