CN101984282A - High-power LED street lamp - Google Patents
High-power LED street lamp Download PDFInfo
- Publication number
- CN101984282A CN101984282A CN2010105740381A CN201010574038A CN101984282A CN 101984282 A CN101984282 A CN 101984282A CN 2010105740381 A CN2010105740381 A CN 2010105740381A CN 201010574038 A CN201010574038 A CN 201010574038A CN 101984282 A CN101984282 A CN 101984282A
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- Prior art keywords
- lamp housing
- lamp
- led
- reflector
- sleeve pipe
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
The invention relates to a high-power LED street lamp. One end of a lamp housing (1) is fixedly connected with an electrical store (2), and the lamp housing (1) is a W-shaped slot. Two slopes in the shapes like a reversed V are symmetrically arranged on the center of the lamp housing (1), one LED reflector cup (3) is arranged on each of the two slopes, and the rear of the lamp housing (1) is provided with cooling fins (1c). With the advantages of simple structure, unique design and easy installation, the high-power LED street lamp is characterized in that the LED reflector cups have uniform light distribution performance and are arranged on both sides of the lamp housing so that light of the street lamp does not have light spots and dead zones; and meanwhile, due to the direct contact of an LED light board and the lamp housing and the arrangement of the cooling fins, the heat dispersion performance is highly improved.
Description
Technical field
The present invention relates to a kind of LED lamp, relate in particular to a kind of high-power LED street lamp.
Background technology
At present, traditional street lamp generally adopts incandescent lamp or common energy-saving lamp, incandescent lamp is approximately 1000 hours service life, common energy-saving lamp is generally about 3000 hours service life, and service life is shorter, needs the frequent light fixture of changing, because street lamp is all than higher, so change very trouble, and often power ratio is bigger, takes very much.LED has characteristics such as light efficiency height, energy-conservation, shock-resistant, anti-vibration as the novel light-emitting utensil.Particularly used in a large number advocating under the overall background of energy-conserving and environment-protective, but find that in use a large amount of high-power LED street lamps all has following two major defects: at present, the led light source plate is not directly to contact with radiating shell mostly in the high-power LED street lamp, the centre has viscose glue, dividing plate etc. to cause heat-transfer effect bad, the radiating effect of led light source plate is also bad, because LED work will produce heat, special street lamp power is relatively big, along with time lengthening led light source plate temperature can constantly raise, the life-span of the too high LED of temperature can shorten greatly; The second, the luminous and general ordinary lamps of LED luminous be different (general light fixture be 360 ° luminous, LED be 180 ° luminous), present high-power LED street lamp all occurs, the irradiation hot spot that come out, problem such as the light that irradiation is come out is very inhomogeneous.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of illumination even, the high-power LED street lamp of good heat dissipation effect.
Technical scheme of the present invention is as follows: a kind of high-power LED street lamp, comprise lamp housing, its key is: described lamp housing one end is fixedly connected with electrical store, this lamp housing is " W " shape groove shape, described lamp housing middle part is symmetrical arranged on two inclined-planes that are down " V " shape a LED reflector is set respectively, and the described lamp housing back side is distributed with radiating fin; The setting of radiating fin is in order to increase the area of dissipation of whole lamp housing, to improve thermal diffusivity.
Above-mentioned LED reflector bottom surface and sidewall all are coated with silver-colored light film, wherein the bottom surface has led light source plate installing port, the LED reflector is installed, this LED reflector directly is fixed on the lamp housing by screw, having counterbore on the LED reflector bottom surface of this LED reflector periphery is fixed on the lamp housing by screw, described LED reflector is made up of reflex block and transition block, described reflex block is wide at the top and narrow at the bottom to be fan-shaped, on the every reflex block, following two ends and a left side, right both sides are all curved, described reflex block distributes along edge, reflector bottom surface, its reflex block upper edge distributes twist, connects transition by transition block between two adjacent reflex blocks;
The sidewall of described LED reflector is near the center line height of lamp housing, and the edge of close lamp housing reduces gradually, and the opening of LED reflector is an angle, and described LED reflector is near the high side of LED reflector sidewall.
The street lamp reflector, comprise reflecting surface and bottom surface, LED is positioned over the central authorities of bottom surface, a part of light of LED directly penetrates from the opening of reflector, this part light arrives and forms initial illuminated area on the objective plane, the reflecting surface of reflector reflects remaining light to this initial illuminated area, make the energy stack back of this two parts light form even illuminated area, the reflecting surface of reflector is a free form surface, the shape of this free form surface is determined by following method: described reflector is the central shaft symmetric shape, cross section with this reflector central shaft of mistake is a datum level, set up coordinate system, central shaft is the Z axle, initial point promptly obtains free song on central shaft by described free form surface pairing curve on the XZ plane is rotated a circle around the Z axle, led light source is placed on initial point, and crossing initial point and the direction vertical with central shaft is X-axis, the shape of face.Thereby can evenly distribute light out, lose G light and effectively spread.
The LED reflector is separately positioned on down on two inclined-planes of " V " shape, and LED reflector rim of a cup is an angle simultaneously, also towards both sides.
In reflection process, the light part that led light source sends directly shines out from LED reflector rim of a cup;
Part light is by the high reflector plate lateral reflection outside lamp housing of LED reflector sidewall, because the oblique setting in relative bottom surface, LED reflector bottom surface, LED reflector sidewall in the outer part is low simultaneously, just just in time cross the low side of LED reflector sidewall by the light of the high reflector plate reflection of sidewall and shine out, also have small part not cross and be radiated on the reflector plate of the low side of sidewall;
The light that last some light and the high lateral reflection sheet of sidewall reflect back through the low reflector plate antireflection part of LED reflector sidewall to the high reflector plate of sidewall, reflect to the lamp housing both sides by the high reflector plate of sidewall again, remaining small part is crossed the high side of sidewall according to the position between symmetrically arranged two Lamp cups, position between two lamps is by the irradiation that overlaps of the light of two Lamp cups, a little less than also not understanding.
Position between two lamps is outwards reflected by light that comes out between the reflector and the high lateral reflection sheet of LED reflector sidewall successively, evenly beats to both sides.Irradiation evenly, simultaneously according to design standard, the position between two street lamps hot spot can not occur, the blind area can not occur yet.Can be symmetrical arranged two LED reflectors in the lamp housing, according to the height of installing, different factors such as the size of power also can be provided with 4,6, and by being symmetrical arranged the distribution of LED reflector, luminous intensity distribution is very evenly and towards the lamp housing both sides.
The led light source plate directly is fixed on the lamp housing by the metal screw, directly heat is passed to lamp housing, the heat transfer direct effect more, radiating effect is greatly enhanced.
The a that the above-mentioned lamp housing back side is positioned between two inclined-planes that are down " V " shape is provided with the lamp installation sleeve pipe, and this lamp installation sleeve pipe and lamp housing are structure as a whole, and described radiating fin is positioned on the lamp housing back side of lamp installation sleeve pipe both sides.The electric wire that connects led light source plate and electrical store is hidden in the lamp installation sleeve pipe.
Be positioned at the length of the radiating fin of described lamp installation sleeve pipe both sides, shorten gradually near the lamp housing edge near the lamp installation sleeve pipe.This kind design can not hinder the circulation of air of radiating fin periphery, and the heat that is beneficial to radiating fin sheds.
Beneficial effect: the present invention is simple in structure, design is unique easy for installation, LED reflector luminous intensity distribution is very evenly and towards the lamp housing both sides, make the irradiation light that comes out not have hot spot and blind area, the setting that directly contacts with radiating fin of led light source plate and housing has simultaneously improved thermal diffusivity greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of LED reflector among the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As Fig. 1,2, shown in 3, a kind of high-power LED street lamp of the present invention, mainly by comprising lamp housing 1, electrical store 2, LED reflector 3, compositions such as led light source plate 4 and lamp installation sleeve pipe 5, described lamp housing 1 one ends are fixedly connected with electrical store 2, this lamp housing 1 is " W " shape groove shape, described lamp housing 1 middle part is symmetrical arranged on two inclined-planes that are down " V " shape a LED reflector 3 is set respectively, described lamp housing 1 back side is down at lamp housing in a between two inclined-planes of " V " shape and is provided with lamp installation sleeve pipe 5, this lamp installation sleeve pipe 5 is structure as a whole with lamp housing 1, described lamp housing 1 back side is distributed with radiating fin 1c, and described radiating fin 1c is positioned on lamp housing 1 back side of lamp installation sleeve pipe 5 both sides.Be positioned at the length of the radiating fin 1c of described lamp installation sleeve pipe 5 both sides, shorten gradually near lamp housing 1 edge near lamp installation sleeve pipe 5.Referring to Fig. 3, described LED reflector 3 bottom surfaces and sidewall all are coated with silver-colored light film, wherein the bottom surface has led light source plate installing port, led light source plate 4 is installed, this led light source plate 4 directly is fixed on the lamp housing 1 by screw, by screw 3b LED reflector 3 is fixed on the lamp housing 1 on LED reflector 3 bottom surfaces of these led light source plate 4 peripheries, described LED reflector 3 is made up of reflex block 3c and transition block 3d, the alternate setting of reflex block 3c with transition block 3d, described reflex block 3c is wide at the top and narrow at the bottom to be fan-shaped, on the every reflex block 3c, following two ends and a left side, right both sides are all curved, described reflex block 3c distributes twist along edge, reflector 3 bottom surface, reflex block 3c lower end is arranged on edge, reflector 3 bottom surface, and twist in the same direction twist slightly the upper end.The left and right sides, reflector 3 bottom surface, promptly high sidewall be to the distance between the low sidewall, up and down between distance slightly short, connect transition by transition block 3d between two adjacent reflex block 3c;
The sidewall of described LED reflector 3 is near the center line height of lamp housing, and the edge of close lamp housing reduces gradually, and the opening of LED reflector 3 is an angle, and described led light source plate 4 is near the high sides of LED reflector 3 sidewalls.
" W " of whole lamp housing covered by lampshade 6.
Although below in conjunction with the accompanying drawings the preferred embodiments of the present invention are described; but the invention is not restricted to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic rather than determinate; those of ordinary skill in the art is under enlightenment of the present invention; under the prerequisite of aim of the present invention and claim; can make multiple similar expression, such conversion all falls within protection scope of the present invention.
Claims (3)
1. high-power LED street lamp, comprise lamp housing (1), it is characterized in that: described lamp housing (1) one end is fixedly connected with electrical store (2), this lamp housing (1) is " W " shape groove shape, described lamp housing (1) middle part is symmetrical arranged on two inclined-planes that are down " V " shape a LED reflector (3) is set respectively, and described lamp housing (1) back side is distributed with radiating fin (1c); Described LED reflector (3) bottom surface and sidewall all are coated with silver-colored light film, wherein the bottom surface has led light source plate installing port, led light source plate (4) is installed, this led light source plate (4) directly is fixed on the lamp housing (1) by screw, described LED reflector (3) is made up of reflex block (3c) and transition block (3d), described reflex block (3c) is wide at the top and narrow at the bottom to be fan-shaped, on the every reflex block (3c), following two ends and a left side, right both sides are all curved, described reflex block (3c) distributes twist along reflector (3) edge, bottom surface, connects transition by transition block (3d) between two adjacent reflex blocks (3c); The sidewall of described LED reflector (3) is near the center line height of lamp housing, and the edge of close lamp housing reduces gradually, and the opening of LED reflector (3) is an angle, and described led light source plate (4) is near the high side of LED reflector (3) sidewall.
2. one kind according to the described high-power LED street lamp of claim 1, it is characterized in that: a that described lamp housing (1) back side is positioned between two inclined-planes that are down " V " shape is provided with lamp installation sleeve pipe (5), this lamp installation sleeve pipe (5) is structure as a whole with lamp housing (1), and described radiating fin (1c) is positioned on lamp housing (1) back side of lamp installation sleeve pipe (5) both sides.
3. according to the described high-power LED street lamp of claim 2, it is characterized in that: it is characterized in that: be positioned at the length of the radiating fin (1c) of described lamp installation sleeve pipe (5) both sides, shorten gradually near lamp housing (1) edge near lamp installation sleeve pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105740381A CN101984282B (en) | 2010-12-06 | 2010-12-06 | High-power LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105740381A CN101984282B (en) | 2010-12-06 | 2010-12-06 | High-power LED street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101984282A true CN101984282A (en) | 2011-03-09 |
| CN101984282B CN101984282B (en) | 2012-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105740381A Expired - Fee Related CN101984282B (en) | 2010-12-06 | 2010-12-06 | High-power LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101984282B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080074883A1 (en) * | 2006-09-26 | 2008-03-27 | Chia-Mao Li | Solid state lighting package structure |
| CN201133586Y (en) * | 2007-12-28 | 2008-10-15 | 朱恩灿 | Large power LED road lamp |
| CN101373060A (en) * | 2007-08-21 | 2009-02-25 | 浩然科技股份有限公司 | LED road lamp |
-
2010
- 2010-12-06 CN CN2010105740381A patent/CN101984282B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080074883A1 (en) * | 2006-09-26 | 2008-03-27 | Chia-Mao Li | Solid state lighting package structure |
| CN101373060A (en) * | 2007-08-21 | 2009-02-25 | 浩然科技股份有限公司 | LED road lamp |
| CN201133586Y (en) * | 2007-12-28 | 2008-10-15 | 朱恩灿 | Large power LED road lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101984282B (en) | 2012-02-01 |
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Granted publication date: 20120201 Termination date: 20141206 |
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