CN201318591Y

CN201318591Y - High-power LED street lamp

Info

Publication number: CN201318591Y
Application number: CNU2008201553844U
Authority: CN
Inventors: 楼洪献; 刘学勇
Original assignee: Ningbo Andy Optoelectronic Co Ltd
Current assignee: Ningbo Andy Optoelectronic Co Ltd
Priority date: 2008-11-14
Filing date: 2008-11-14
Publication date: 2009-09-30
Anticipated expiration: 2018-11-14

Abstract

A high-power LED street lamp comprises a lower housing and an LED light source module. A plurality of cooling fins are arranged on the lower housing; a dustproof cover is arranged on the lower housing and fixed with the lower housing; and the cooling fins are accommodated in an accommodating space formed by the dustproof cover and the lower housing. Through arranging the dustproof cover on one side of the lower housing, on which the cooling fins are arranged, the high-power LED street lamp disclosed by the utility model obstructs direct contact between outside impurities and the cooling fins, thereby maintaining good cooling effect of the cooling fins; and heat generated by the cooling fins is transferred to air in time through a vent hole, so that the high-power LED street lamp can normal run for a long time.

Description

High-power LED street lamp

[technical field]

The utility model relates to the LED lighting technical field, or rather, relates to a kind of high-power LED street lamp.

[background technology]

Development and maturation along with the LED technology, the performance indications of LED increase substantially day by day, the light efficiency of white light LEDs has has met or exceeded the light efficiency level of ordinary incandescent lamp at present, and luminous flux is also increasing considerably, and makes LED obtain using widely at lighting field.LED compare with the energy-saving lighting lamp of general photo-voltaic power supply adapted have the life-span long, heating is low, not fragile, power consumption is little and more energy-conservation outstanding advantage, people it be described as 21 century replace fluorescent lamps and incandescent lamp the 4th generation lighting source.

At present, so-called high-power LED street lamp product has appearred on the market, these products directly reveal heat radiating device of road lamp to be put outside lamp, the foreign material of can accumulation a large amount of dusts, birds droppings and so on get off for a long time on the heat abstractor, insects such as moth can enter heat abstractor it is stopped up, this will have a strong impact on the radiating effect of heat abstractor, thereby cause the high-power LED street lamp can't operate as normal.Therefore, a kind of appearance of brand-new high-power LED street lamp product is called in market.

[utility model content]

The technical problem that the utility model solves is to overcome the defective that prior art exists, and provides a kind of simple in structure, and can protect fin to make it keep the high-power LED street lamp of great heat radiation effect.

The utility model is achieved through the following technical solutions: a kind of high-power LED street lamp, comprise lower house and led light source module, described lower house is provided with some fin, dispose a dust cover on the described lower house, this dust cover and described lower house fix, and described fin to small part is contained in the receiving space of dust cover and lower house formation.

Described dust cover is provided with some passages.

Described lower house comprises diapire, and this diapire upwards protrudes out and forms a matrix, and described matrix and lower house are one-body molded.

Described matrix protrudes out setting towards the high-power LED street lamp light direction on the whole, and this matrix is provided with the loading end of the described led light source module of some carryings, the end face of described each loading end is with matrix end face center symmetry, the angle that first loading end that next-door neighbour's matrix end face center is provided with in the described loading end and matrix end face median plane form is 4 °～9 °, the angle that second loading end of next-door neighbour's first loading end setting and matrix end face median plane form in the described loading end is 25 °～30 °, the angle that the 3rd loading end of next-door neighbour's second loading end setting and matrix end face median plane form in the described loading end is 52 °～57 °, the angle that the 4th loading end of next-door neighbour's the 3rd loading end setting and matrix end face median plane form in the described loading end is 54 °～60 °, and the angle that the 5th loading end of next-door neighbour's the 4th loading end setting and matrix end face median plane form in the described loading end is 56 °～61 °.

The angle that described first loading end and matrix end face median plane form is 4 °, the angle that described second loading end and matrix end face median plane form is 25 °, the angle that described the 3rd loading end and matrix end face median plane form is 52 °, the angle that described the 4th loading end and matrix end face median plane form is 54 °, and the angle that described the 5th loading end and matrix end face median plane form is 56 °.

The spatial relation that described led light source module is disposed at the integral LED light source that forms behind the matrix is consistent with the spatial relation that the loading end of matrix forms.

The opposite side of described matrix is formed with described some fin, this fin by the lower house diapire to extending to form in the opposite direction with the matrix side of protruding out.

Be provided with first connecting portion that is connected both between described first loading end and second loading end, be provided with second connecting portion that is connected both between described second loading end and the 3rd loading end, be provided with the 3rd connecting portion that is connected both between described the 3rd loading end and the 4th loading end, be provided with the 4th connecting portion that is connected both between described the 4th loading end and the 5th loading end.

Compared with prior art, the high-power LED street lamp that the utility model disclosed is by configuration one dust cover on lower house, fin is contained in the receiving space of dust cover and lower house formation, having intercepted introduced contaminants contacts with the direct of fin, thereby can keep the fin better heat radiating effect, make high-power LED street lamp operate as normal for a long time.

[description of drawings]

Fig. 1 is the three-dimensional assembly diagram of high-power LED street lamp of the present invention.

Stereogram when Fig. 2 separates with lower house for the upper shell of high-power LED street lamp of the present invention.

Fig. 3 is the part three-dimensional exploded view of high-power LED street lamp of the present invention.

Fig. 4 is the cutaway view of the lower house of high-power LED street lamp of the present invention.

Fig. 5 is the stereogram of high-power LED street lamp lower house of the present invention.

Fig. 6 is the lower house of high-power LED street lamp of the present invention and the three-dimensional assembly diagram of led light source module.

Fig. 7 is the three-dimensional assembly diagram of another angle of high-power LED street lamp of the present invention.

Stereogram when Fig. 8 separates with lower house for the dust cover of high-power LED street lamp of the present invention.

[specific embodiment]

See also Fig. 1, Fig. 2 and shown in Figure 3, the high-power LED street lamp 8 that the utility model disclosed comprises lower house 1, circuit board 21, LED20, light-emitting plate 3, dust cover 4 and upper shell 5, described LED20 are installed on and form some led light source modules 2 on described some circuit boards 21.Described lower house 1 is provided with matrix 10, described led light source module 2 adjacent being installed on the matrix 10 that is provided with in the high-power LED street lamp 8, described upper shell 5 is fixed on the lower house 1 by screw or other connected modes, and described light-emitting plate 3 is fixed in window 50 positions of upper shell 5.

See also Fig. 4, Fig. 5 and shown in Figure 6, described lower house 1 is made by the good material of heat conductivility (such as aluminium alloy or magnesium alloy), and this lower house 1 comprises a diapire 11.The matrix 10 that is provided with in the described lower house 1, this matrix 10 protrudes out setting towards high-power LED street lamp 8 light directions on the whole.Matrix described in the present embodiment 10 and lower house 1 one-body molded (also moulding separately of described matrix 10, and then be fixed on the lower house 1) in heat conducting mode, upwards protrude out by the diapire 11 of lower house 1 and to form, opposite side at described matrix 10 is formed with some fin 12, this fin 12 by lower house 1 diapire 11 to extending to form in the opposite direction with matrix 10 sides of protruding out.This matrix 10 is provided with the loading end 100 of the described led light source module 2 of some carryings, be provided with 10 loading ends 100 in the present embodiment altogether, the end face of these 10 loading ends 100 (not label) is with matrix end face center (not label) symmetry, and therefrom the mind-set both sides form first loading end 1000, second loading end 1001, the 3rd loading end 1002, the 4th loading end 1003 and the 5th loading end 1004 successively.Described 1000,1001,1002,1003 and 1004 and matrix end face median plane M be formed with acute angle included angle A, B, C, D, E respectively.Wherein the angular range of included angle A is 4 °～9 °, and the angular range of included angle B is 25 °～30 °, and the angular range of angle C is 52 °～57 °, and the angular range of angle D is 54 °～60 °, and the angular range of angle E is 56 °～61 °.Included angle A is 4 ° in the present embodiment, and included angle B is 25 °, and angle C is 52 °, and angle D is 54 °, and angle E is 56 °.Be provided with first connecting portion 101 that is connected both between described first loading end 1000 and second loading end 1001, be provided with second connecting portion 102 that is connected both between described second loading end 1001 and the 3rd loading end 1002, be provided with the 3rd connecting portion 103 that is connected both between described the 3rd loading end 1002 and the 4th loading end 1003, be provided with the 4th connecting portion 104 that is connected both between described the 4th loading end 1003 and the 5th loading end 1004.

Described circuit board 21 is made (as the aluminum metal circuit board) by Heat Conduction Material, described LED20 passes through circuit board 21 and is close to matrixes 10 surface installations, and the position that all led light source modules 2 are disposed at matrix 10 back formation integral LED light sources concerns that the spatial relation that forms with the loading end of matrix 10 is consistent.In addition, between circuit board 21 and matrix 10, be provided with the heat-conducting glue (not shown),, reach better heat radiating effect so that the heat that LED illuminating module 2 is sent passes fast.

See also Figure 6 and Figure 7, described lower house 1 disposes a dust cover 4, this dust cover 4 is provided with some passages 40, fix by screw or other modes between described dust cover 4 and the lower house 1, described fin 12 to small part is contained in the receiving space of (present embodiment all is contained in) dust cover 4 and lower house 1 formation.Described lower house 1 one ends also dispose a location device 13, this positioner 13 comprises main part 130 and rotor 131, described main part 130 is provided with two retainer rings 1300, described rotor 131 is the T shape, and the installation end (not shown) that is provided with on the described rotor 131 is installed on the retainer ring 1300 of described main part 130.

The high-power LED street lamp 8 that the utility model disclosed is by being provided with configuration one dust cover 4 on fin 12 1 sides at lower house 1, having intercepted introduced contaminants contacts with the direct of fin 12, thereby can keep fin 12 better heat radiating effect, passage 40 is delivered to the heat that fin 12 produces in the air again in time, thereby makes high-power LED street lamp 8 operate as normal for a long time.

More than description only is the novel embodiment of this use, under the prerequisite that does not depart from the utility model design, all should be included within the technical conceive of the present utility model simple modification of the present utility model and replacement.

Claims

1. high-power LED street lamp, comprise lower house and led light source module, described lower house is provided with some fin, it is characterized in that: dispose a dust cover on the described lower house, this dust cover and described lower house fix, and described fin to small part is contained in the receiving space of dust cover and lower house formation.

2. as claims 1 described high-power LED street lamp, it is characterized in that: described dust cover is provided with some passages.

3. as claims 1 or 2 described high-power LED street lamps, it is characterized in that: described lower house comprises diapire, and this diapire upwards protrudes out and forms a matrix, and described matrix and lower house are one-body molded.

4. as claims 3 described high-power LED street lamps, it is characterized in that: described matrix protrudes out setting towards the high-power LED street lamp light direction on the whole, and this matrix is provided with the loading end of the described led light source module of some carryings, the end face of described each loading end is with matrix end face center symmetry, the angle that first loading end that next-door neighbour's matrix end face center is provided with in the described loading end and matrix end face median plane form is 4 °～9 °, the angle that second loading end of next-door neighbour's first loading end setting and matrix end face median plane form in the described loading end is 25 °～30 °, the angle that the 3rd loading end of next-door neighbour's second loading end setting and matrix end face median plane form in the described loading end is 52 °～57 °, the angle that the 4th loading end of next-door neighbour's the 3rd loading end setting and matrix end face median plane form in the described loading end is 54 °～60 °, and the angle that the 5th loading end of next-door neighbour's the 4th loading end setting and matrix end face median plane form in the described loading end is 56 °～61 °.

5. as claims 4 described high-power LED street lamps, it is characterized in that: the angle that described first loading end and matrix end face median plane form is 4 °, the angle that described second loading end and matrix end face median plane form is 25 °, the angle that described the 3rd loading end and matrix end face median plane form is 52 °, the angle that described the 4th loading end and matrix end face median plane form is 54 °, and the angle that described the 5th loading end and matrix end face median plane form is 56 °.

6. as claims 5 described high-power LED street lamps, it is characterized in that: the spatial relation that described led light source module is disposed at the integral LED light source that forms behind the matrix is consistent with the spatial relation that the loading end of matrix forms.

7. as claims 3 described high-power LED street lamps, it is characterized in that: the opposite side of described matrix is formed with described some fin, this fin by the lower house diapire to extending to form in the opposite direction with the matrix side of protruding out.

8. as claims 4 described high-power LED street lamps, it is characterized in that: be provided with first connecting portion that is connected both between described first loading end and second loading end, be provided with second connecting portion that is connected both between described second loading end and the 3rd loading end, be provided with the 3rd connecting portion that is connected both between described the 3rd loading end and the 4th loading end, be provided with the 4th connecting portion that is connected both between described the 4th loading end and the 5th loading end.