CN201724101U

CN201724101U - Led street lamp

Info

Publication number: CN201724101U
Application number: CN2010202505879U
Authority: CN
Inventors: 王勤文
Original assignee: Leader Trend Tech Corp
Current assignee: Leader Trend Tech Corp
Priority date: 2010-06-30
Filing date: 2010-06-30
Publication date: 2011-01-26
Anticipated expiration: 2020-06-30

Abstract

The utility model relates to an LED street lamp comprising a lamp housing, an LED device and a radiating device combined on the LED device, wherein the lamp housing comprises an upper cover and a lower cover that cover each other and are respectively provided with a radiating hole; a light emitting module is contained in the lamp housing; the radiating device comprises a metal base, two or more heat pipes and a plurality of radiating fins; the metal base comprises a first plate body and a second plate body that are mutually spliced; the first plate body is a thermal contact light emitting module; the heat pipe comprises a heat absorption section and a heat release section; the heat absorption section is horizontally arranged between the first plate body and the second plate body in a penetrating manner; the heat release section horizontally extends at one side far from the metal base; and the radiating fins are arranged in parallel and sheathed on the heat release section of the heat pipe. Therefore, the natural convection of gas in the lamp housing is speeded up, and the hot air is quickly dissipated to outside to improve radiating efficiency.

Description

The LED street lamp

Technical field

The utility model is relevant for a kind of lighting device, especially a kind of LED street lamp.

Background technology

Because light emitting diode (Light Emitting Diode, the used heat that is produced when LED) luminous has sizable negative effect to its life-span, and therefore, the street lamp of LED type is provided with the used heat that heat abstractor quickens loss LED mostly; On the other hand, along with the increase of LED quantity and the exploitation of high-capacity LED, the heat that is produced during the running of LED light fixture is just progressively upwards soaring, therefore how for a kind of good structure of dispelling the heat of LED Design of Luminaires, has become one of important topic that the stakeholder studied of being engaged in this industry now.

Existing LED street lamp mainly is provided with the lamp socket body, be provided with a plurality of LED in this lamp socket body, then be equiped with heat abstractor on these LED, the setting of this heat abstractor can be cooling base and amplexiforms a plurality of radiating fins at this cooling base, to quicken to get rid of used heat by heat abstractor.

In the said structure, this heat abstractor amplexiforms above the LED of heating, because this heat abstractor adopts the mode of free convection to dispel the heat, yet, its louvre is arranged on the side or the end face of lampholder shell usually, and these LED bottom surfaces are not provided with louvre usually, after the cold air of outside enters the lamp socket body, must change direct of travel to take away the heat of LED, cause the gas flow paths of this lamp socket body interior not smooth, be unfavorable for hot gas apace loss to extraneous, so radiating efficiency is not good, the high heat loss timely and effectively that is produced for the LED lamp.

The utility model content

A purpose of the present utility model is to provide a kind of LED street lamp, its be on the upper and lower cover of lamp housing respectively correspondence offer a plurality of corresponding louvres, so as to quickening free convection speed, improve radiating efficiency.

In order to achieve the above object, the utility model is a kind of LED street lamp, comprise lamp housing, light emitting module, metal pedestal, two or more heat pipes and a plurality of radiating fin, lamp housing comprises mutual cover and merges lower cover and the loam cake that is formed with accommodation space, under be covered with perforate, and be provided with first louvre in a side away from perforate, the corresponding first louvre place of loam cake is provided with second louvre, light emitting module is contained in the accommodation space, and corresponding perforate configuration, light emitting module comprises circuit board and is arranged on two or more LED lamps of circuit board one side, metal pedestal comprises first plate body and second plate body that splices mutually, and first plate body is the thermo-contact light emitting module, each heat pipe comprises endotherm section and heat release section, the endotherm section level is located between first plate body and second plate body, and the heat release section horizontal-extending is at the side away from metal pedestal, and radiating fin is socketed on the heat release section of heat pipe with being arranged in parallel.

Another purpose of the present utility model also is to provide a kind of LED street lamp, can the aspect adjusts the projecting direction of LED street lamp.

In order to achieve the above object, the utility model provides a kind of LED street lamp, comprises:

Lamp housing, comprise mutual cover and merge lower cover and the loam cake that is formed with accommodation space, be covered with perforate under this, and be provided with two or more first louvres in a side away from this perforate, this lower cover is provided with Connection Block in addition in a side of this first louvre, and this loam cake is to being provided with two or more second louvres in the first louvre place;

Light emitting module is contained in this accommodation space, and to should perforate disposing;

Metal pedestal comprises first plate body and second plate body that splice mutually, and this this light emitting module of first plate body thermo-contact;

Two or more heat pipes, each heat pipe comprises endotherm section and heat release section, and this endotherm section level is located between this first plate body and this second plate body, and this heat release section horizontal-extending is at the side away from this metal pedestal;

A plurality of radiating fins are socketed on the hot arc of this heat pipe with being arranged in parallel; And

Adjustable lamp stand seat comprises fixed frame and connects the jacket casing of this fixed frame, and this fixed frame is articulated on this Connection Block adjustably.

Compared to prior art, LED street lamp of the present utility model is a side that light emitting module is arranged on shell block, and heat pipe and radiating fin are extended to the opposite side of shell block, and correspondence offers a plurality of corresponding louvres respectively on the upper and lower cover of lamp housing, in view of the above, the assembly that is contained in shell block inside can be done the configuration of optimized space, with its lamp housing thickness of thinning; Moreover gas is that the louvre from lower cover enters lamp housing inside, thereby after taking away heat a large amount of on the radiating fin, continues upwards to flow point-blank, flows out from the loam cake louvre, because of gas linearly flows, so its free convection speed is fast again; Moreover, because light emitting module and radiating fin are separately positioned on the dual-side in the lamp housing, the hot gas that LED produced does not mix mutually with convection gas, thereby hot gas does not influence the convection current path of gas, so radiating efficiency height, and outside aqueous vapor does not cause light emitting module to make moist again and influences electrically, has more increased practicality of the present utility model.

Description of drawings

Fig. 1 is the solid combination schematic diagram of the utility model LED street lamp;

Fig. 2 is the three-dimensional exploded view of the utility model LED street lamp;

Fig. 3 is the assembled sectional view of the utility model LED street lamp;

Fig. 4 is the enlarged diagram of local A among Fig. 3;

Fig. 5 is the schematic diagram that the LED matrix of the utility model LED street lamp is regulated crevice projection angle;

Fig. 6 is the enlarged diagram of local B among Fig. 3;

Fig. 7 is second embodiment of the utility model LED street lamp.

Description of reference numerals

1LED street lamp 10 lamp housings

100 accommodation spaces, 11 lower covers

110 perforates, 111 first louvres

112 fixing holes, 113 Connection Blocks

1,130 second pivoted holes, 12 loam cakes

121 second louvres, 15 locked assemblies

20LED device 21 lamp sockets

210 open 22 light emitting modules

221 circuit board 222LED lamps

23 sealing pads, 24 transmissive mirror

25 coupling units, 30 heat abstractors

31 metal pedestal, 310 lockholes

311 first plate bodys, 312 second plate bodys

32 temperature-uniforming plates, 33 heat pipes

331 endotherm sections, 332 heat release section

3,321 first heat release section, 3,322 second heat release section

34 radiating fins, 340 heat dissipation channels

341 first radiating fins, 342 second radiating fins

40 mode lamp stand seats, 41 fixed frames

42 jacket casings 45 are worn axle

410 first pivoted hole 111a, first louvre

121a second louvre

The specific embodiment

Relevant detailed description of the present utility model and technology contents, conjunction with figs. is described as follows, however appended accompanying drawing is only for reference and explanation, is not to be used for the utility model is limited.

Please refer to Fig. 1 to Fig. 4, be the enlarged diagram of local A among solid combination schematic diagram, three-dimensional exploded view, assembled sectional view and Fig. 3 of the utility model LED street lamp; LED street lamp 1 of the present utility model comprises lamp housing 10, LED matrix 20 and is combined in heat abstractor 30 on this LED matrix 20.

This lamp housing 10 comprises mutual cover and merges lower cover 11 and the loam cake 12 that is formed with accommodation space 100, this lower cover 11 is provided with perforate 110, and be provided with corresponding two or more first louvres 111 in a side away from this perforate 110, moreover these loam cake 12 corresponding these first louvre, 111 places are provided with two or more second louvres 121; In the present embodiment, these first louvres 111, second louvre 121 are to be the palisade setting, and these first louvres 111 are located at this lower cover 11 corresponding dual-sides, and 121 of these second louvres are located at this loam cake 12 corresponding dual-sides; In addition, this lower cover 11 is provided with Connection Block 113 in addition in a side of these first louvres 111, and this Connection Block 113 is provided with two or more second pivoted holes 1130.

This LED matrix 20 comprises lamp socket 21, is combined in light emitting module 22, sealing pad 23 and transmissive mirror 24 on this lamp socket 21.This lamp socket 21 and this light emitting module 22 are contained in this accommodation space 100, this light emitting module 22 is installed in the opening 210 of this lamp socket 21, and to perforate 110 configurations that should lower cover 11, this light emitting module 22 comprises circuit board 221 and is arranged on two or more LED lamps 222 of these circuit board 221 1 sides.Sealing pad 23 amplexiforms the internal face at this lamp socket 21, and cover cap is on the outer rim of this transmissive mirror 24, and this transmissive mirror 24 is arranged on the outside of this light emitting module 22, and the opening 210 of this lamp socket 21 of involution.

This heat abstractor 30 comprises metal pedestal 31, temperature-uniforming plate 32, two or more heat pipes 33 and a plurality of radiating fin 34.This metal pedestal 31 is combined on this lamp socket 21, this metal pedestal 31 comprises first plate body 311 and second plate body 312 that splices mutually, this temperature-uniforming plate 32 is located between this light emitting module 22 and this first plate body 311, and amplexiform this first plate body 311, make the circuit board 221 of this this light emitting module 22 of first plate body, 311 thermo-contacts.

Each heat pipe 33 comprises endotherm section 331 and heat release section 332, these endotherm section 331 levels are located between this first plate body 311 and this second plate body 312,332 horizontal-extendings of this heat release section are at the side away from this metal pedestal 31, and these radiating fins 34 are to be socketed on the heat release section 332 of these heat pipes 33 with being arranged in parallel.

In the present embodiment, it is first heat release section 3321 and second heat release section 3322 that these heat release section 332 can separate, this first heat release section 3321 is extended towards a side of this

lamp housing

10,3322 another sides towards this lamp housing 10 of this second heat release section extend, in like manner, it is first radiating fin 341 and second radiating fin 342 that these radiating fins 34 also separate, and this first radiating fin 341 is socketed on this first

heat release section

3321, and 342 of this second radiating fins are socketed on this second heat release section 3322.

When group is established, utilize two or more coupling units 25 that this LED matrix 20 is locked on this metal pedestal 31, and these LED matrix 20 correspondences are configured in the perforate 110 of this lower cover 11; And, this lower cover 11 is provided with two or more fixing holes 112 in the outside of this perforate 110, first plate body 311 of this metal pedestal 31 and this second plate body 312 correspondence respectively are provided with two or more lockholes 310, and locking is at lower cover 11, further, other gets two or more locked assemblies 15 and wears these lockholes 310 and fixing hole 112 respectively, so that this metal pedestal 31 is locked on this lower cover 11, these loam cake 12 covers is combined on this lower cover 11 at last again.

Moreover this LED street lamp 1 also comprises adjustable lamp stand seat 40 and wears axle 45 that the jacket casing 42 that this adjustable lamp stand seat 40 comprises fixed frame 41 and connects this fixed frame 41, this jacket casing 42 are for grafting lamp stand (not shown).This fixed frame 41 is provided with two or more first pivoted holes 410, these first pivoted holes 410 are curved arrangements, in addition, correspondence is provided with two or more second pivoted holes 1130 on the Connection Block 113 of this lower cover 11, this is worn axle 45 and is located in corresponding this first pivoted hole 410 and second pivoted hole 1130, should be articulated on this Connection Block 113 by adjustable lamp stand seat 40 in view of the above.

Please regulate the schematic diagram of crevice projection angle for the utility model LED street lamp in addition with reference to Fig. 5; Accept above-mentionedly,, changing the angle of this jacket casing 42 and this Connection Block 113, and then adjust the projecting direction of this LED street lamp 1 by the relative binding site of regulating this first pivoted hole 410 and second pivoted hole 1130.

In view of the above, the used heat that this light emitting module 22 produced conducts to this metal pedestal 31 via this temperature-uniforming plate 32, give the endotherm section 331 of cross-under by these metal pedestal 31 conduction at the heat pipe 33 of inside, apace heat is delivered to the heat release section 332 of heat pipe 33 via heat pipe 33, conduct to radiating fin 34 at last, because these radiating fins 34 have large-scale area of dissipation, therefore can be promptly with the used heat loss.

Please continue with reference to Fig. 6, be the enlarged diagram of local B among Fig. 3, the heat radiation schematic diagram when also being the use of the utility model LED street lamp; During use, cool exterior air can enter this lamp housing 10 inside from first louvre 111 of lower cover 11, the flow through heat dissipation channel 340 of these radiating fins 34, thereby take away the heat on these radiating fins 34, air after being heated is gone out from second louvre, the 121 direct loss of loam cake 12 again, can fully allow air-flow produce convective flow, reach the temperature of this light emitting module 22 of real-time reduction and the effect of raising radiating efficiency.

Please be in addition with reference to Fig. 7, second embodiment for the utility model LED street lamp, the present embodiment and first embodiment are roughly the same, locating that they are different is the form that is provided with that is its first louvre 111a and the second louvre 121a, in the present embodiment, these the first louvre 111a and the second louvre 121a are netted setting, but do not exceed with this form.

The above is preferred embodiment of the present utility model only, is not in order to limiting claim of the present utility model, and other uses the equivalence of patent spirit of the present utility model to change, and all should be encompassed in the claim of the present utility model.

Claims

1. a LED street lamp is characterized in that, comprising:

Lamp housing, comprise mutual cover and merge lower cover and the loam cake that is formed with accommodation space, be covered with perforate under this, and be provided with two or more first louvres in the side away from this perforate, this loam cake is to being provided with two or more second louvres in the first louvre place;

Light emitting module is contained in this accommodation space, and to should perforate disposing, this light emitting module comprises circuit board and is arranged on two or more LED lamps of this circuit board one side;

Metal pedestal comprises first plate body and second plate body that splice mutually, and this first plate body is this circuit board of thermo-contact;

Two or more heat pipes, each heat pipe comprises endotherm section and heat release section, and this endotherm section level is located between this first plate body and this second plate body, and this heat release section horizontal-extending is at the side away from this metal pedestal; And

A plurality of radiating fins are socketed on the heat release section of this heat pipe with being arranged in parallel.

2. LED street lamp as claimed in claim 1 is characterized in that, described first louvre is located at the corresponding dual-side of described lower cover, and described second louvre is located at the corresponding dual-side of described loam cake.

3. LED street lamp as claimed in claim 2, it is characterized in that, it is first heat release section and second heat release section that the heat release section of described heat pipe separates, and this first heat release section is extended towards a side of described lamp housing, and this second heat release section is then extended towards another side of this lamp housing.

4. LED street lamp as claimed in claim 3, it is characterized in that, it is first radiating fin and second radiating fin that described radiating fin separates, and this first radiating fin is socketed on described first heat release section, and this second radiating fin then is socketed on described second heat release section.

5. LED street lamp as claimed in claim 1, it is characterized in that, described lower cover is provided with two or more fixing holes in the outside of described perforate, and described first plate body and described second plate body correspondence respectively are provided with two or more lockholes, and locking is at this lower cover.

6. LED street lamp as claimed in claim 1 is characterized in that, described LED street lamp also comprises temperature-uniforming plate, and this temperature-uniforming plate is located between described light emitting module and described first plate body, and amplexiforms described first plate body.

7. LED street lamp as claimed in claim 1 is characterized in that, described LED street lamp also comprises lamp socket, and described light emitting module and described metal pedestal are combined on this lamp socket.

8. a LED street lamp is characterized in that, comprising:

A plurality of radiating fins are socketed on the heat release section of this heat pipe with being arranged in parallel; And

9. LED street lamp as claimed in claim 8 is characterized in that, described first louvre is located at the corresponding dual-side of described lower cover, and described second louvre is located at the corresponding dual-side of described loam cake.

10. LED street lamp as claimed in claim 9, it is characterized in that, it is first heat release section and second heat release section that the heat release section of described heat pipe separates, and this first heat release section is extended towards a side of described lamp housing, and this second heat release section is then extended towards another side of this lamp housing.

11. LED street lamp as claimed in claim 10, it is characterized in that, it is first radiating fin and second radiating fin that described radiating fin separates, and this first radiating fin is socketed on described first heat release section, and this second radiating fin then is socketed on described second heat release section.

12. LED street lamp as claimed in claim 8, it is characterized in that, described lower cover is provided with two or more fixing holes in the outside of described perforate, and described first plate body and described second plate body correspondence respectively are provided with two or more lockholes, and locking is at this lower cover.

13. LED street lamp as claimed in claim 8, it is characterized in that, described LED street lamp also comprises wears axle, described fixed frame is provided with two or more first pivoted holes, described Connection Block correspondence is provided with two or more second pivoted holes, and this is worn axle and is located in corresponding this first pivoted hole and second pivoted hole.

14. LED street lamp as claimed in claim 8 is characterized in that, described LED street lamp also comprises temperature-uniforming plate, and this temperature-uniforming plate is located between described light emitting module and described first plate body, and amplexiforms described first plate body.

15. LED street lamp as claimed in claim 8 is characterized in that, described LED street lamp also comprises lamp socket, and described light emitting module and described metal pedestal are combined on this lamp socket.