CN201288973Y - LED road lamp - Google Patents
LED road lamp Download PDFInfo
- Publication number
- CN201288973Y CN201288973Y CNU2008200029832U CN200820002983U CN201288973Y CN 201288973 Y CN201288973 Y CN 201288973Y CN U2008200029832 U CNU2008200029832 U CN U2008200029832U CN 200820002983 U CN200820002983 U CN 200820002983U CN 201288973 Y CN201288973 Y CN 201288973Y
- Authority
- CN
- China
- Prior art keywords
- light source
- led
- led light
- loading end
- street lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 76
- 239000002184 metal Substances 0.000 claims abstract description 76
- 239000006260 foam Substances 0.000 claims description 60
- 238000001816 cooling Methods 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 238000007598 dipping method Methods 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000009713 electroplating Methods 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 10
- 230000005855 radiation Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001149 thermolysis Methods 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a LED road lamp, comprising a shell, a circuit board, LEDs and a LED light source supporting body, wherein the LEDs are mounted on a plurality of circuit boards and fixed on the LED light source supporting body by the circuit boards to form a LED light source module set, the LED source supporting body protrudes towards the LED road lamp light-emitting direction and comprises a foamed metal layer formed by foamed metal with a through hole structure and a metal supporting layer wherein the part surface of the metal supporting layer is integrated with the foamed metal layer and a plurality of loading surfaces for loading the circuit boards are formed on part of the metal supporting layer and the terminal surfaces of the loading surfaces are symmetric using the LED light source supporting body end surface as the core and the loading surface comprises an edge loading surface far from the middle of the LED light source supporting body end surface and included angle between the light emitting direction of the LED and the middle of the LED light source supporting body end surface is 45-60 degree.
Description
[technical field]
The utility model relates to the LED lighting technical field, or rather, relates to a kind of 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, occurred so-called LED street lamp product on the market, these products are exactly to form by the conventional light source in the conventional road lamp directly being replaced to led light source, and what have does simple optical treatment again.Yet this simple substitution and simple optical treatment can not make the LED street lamp reach the light distribution requirements of road lighting, more do not reach the standard of road lighting, thereby make the road lighting field that is applied to that these products substantially can not be real.In addition, existing LED street lamp is installed in many light emitting diodes mode in accordance with regulations usually and forms the lumination of light emitting diode module on the aluminium base when using light emitting diode, dispels the heat by aluminium base.In order to reach the heat radiation requirement, often need to increase the thickness of aluminium base, increased the weight of whole lighting so on the one hand, be inconvenient to use, the opposing party also certainly will increase manufacturing cost, and for high power LED lighting lamp, it is especially obvious that this defective seems.Such as, high power LED road lamp of about 120 watts by the aluminium base heat radiation, its weight is probably about 9 kilograms, wherein most increases the thickness of aluminium base for the needs that reach heat radiation and the height of fin produces, this has increased the weight of whole LED street lamp on the one hand greatly, make installing/dismounting all inconvenient, and increased material cost; On the other hand for too high fin, under the especially integrated situation, also than higher, and the yield rate of product can decrease to the requirement of mould, and this has also increased manufacturing cost to a certain extent; And even so, it also is difficult to arrive desirable radiating effect on the whole.
[utility model content]
The technical problem that the utility model solves is to overcome the defective that prior art exists, and provides that a kind of light distribution effect is good, in light weight, cost is low, the good LED street lamp of radiating effect.
The utility model is achieved through the following technical solutions: a kind of LED street lamp, comprise housing, circuit board, LED and led light source supporter, described LED is installed on some circuit boards and is fixed on formation one led light source module on the described led light source supporter by circuit board, described led light source supporter protrudes out setting towards LED street lamp light direction on the whole, this led light source supporter comprises a foam metal layer and a metal supporting layer that is formed by the foam metal with through-hole structure, described metal supporting layer is formed at the part surface of foam metal layer and engages with foam metal layer and is one, described metal supporting layer to small part forms the loading end of the described circuit board of some carryings, the end face of described each loading end is with led light source supporter end face center symmetry, described loading end comprises the edge loading end that is provided with away from led light source supporter end face center, and the angle that the bright dipping normal direction of the LED that is provided with on this edge loading end and led light source supporter end face median plane form is 45 °～60 °.
Described loading end also comprises first loading end that the described led light source supporter end face of next-door neighbour center is provided with, and the angle that the bright dipping normal direction of the LED that is provided with on described first loading end and led light source supporter end face median plane form is 5 °～15 °.
Be close to described first loading end and be provided with second loading end, described second loading end, one side is close to first loading end, opposite side is close to the loading end setting of described edge, and the angle that the bright dipping normal direction of the LED that is provided with on this second loading end and led light source supporter end face median plane form is 35 °～40 °.
The loading end at next-door neighbour's led light source supporter end face center is plane in the described loading end, other loading ends are the evagination arc surfaced, and the spatial relation that all LED are disposed at the integral LED light source that forms behind the led light source supporter is consistent with the spatial relation that the loading end of led light source supporter forms.
Described LED street lamp also is provided with a cooling fan, and this cooling fan is configured in the part except that being formed with the metallic support layer region in the described foam metal laminar surface or is configured in the receiving space that forms in the foam metal layer.
Except that the part that is formed with metal supporting layer, there is part to be closed in the remaining surface in the described foam metal laminar surface.
Described metal supporting layer is one with foam metal layer by electroplating to engage.
Described foam metal can be a kind of in foam iron, foam copper, foamed aluminium, foam iron alloy, foam copper alloy, the foam aluminium alloy.
Hole count is 10～50 on the described foam metal per inch.
The described metal supporting layer solid metal layer that the material identical with foam metal made of serving as reasons.
Compared with prior art, the utility model in the LED street lamp led light source module integral body when light direction protrudes out setting, the bright dipping normal direction of the LED that is provided with on the assurance edge loading end and the angle that matrix end face median plane forms are 45 °～60 °, thereby have improved the light distribution effect of LED street lamp effectively.In addition, the utility model improves by the led light source supporter to the LED street lamp, make this supporter form metal supporting layer on the surface of foam metal, again led light source is fixed on the described metal supporting layer by circuit board, the heat that makes LED produce passes to foam metal layer by metal supporting layer rapidly, by the 3 D stereo network structure of foam metal inside, the long-pending first mate of air and heat source-contacting surface is increased, thereby can play good thermolysis rapidly.In addition, adopt foam metal can also save a large amount of metal materials, also reduced the weight of whole LED street lamp simultaneously significantly, not only economy but also easy to use.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the utility model LED street lamp.
Fig. 2 is the three-dimensional exploded view of the utility model LED street lamp lower house and led light source supporter.
Fig. 3 is the led light source and the led light source supporter assembling stereogram of the utility model LED street lamp.
Fig. 4 assembles the stereogram of another angle for the led light source and the led light source supporter of the utility model LED street lamp.
Fig. 5 is the generalized section of the led light source supporter of the utility model LED street lamp.
[specific embodiment]
See also illustrated in figures 1 and 2, the LED street lamp 8 that the utility model disclosed comprises lower house 1, circuit board 2, the LED (not shown), lens devices 3, light-emitting plate 4 and upper shell 5, wherein, described LED and lens devices 3 thereof are installed on some circuit boards 2 and form some led light source modules 7 and be contained in the described lower house 1, described led light source module 7 adjacent being installed on the led light source supporter 160 that is provided with in the 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 4 is fixed in the window position of upper shell 5.
See also Fig. 3 and shown in Figure 5, 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 16, sidewall 15 and surrounds the receiving space 13 that forms by diapire 16 and sidewall 15.Dispose led light source supporter 160 in the described lower house 1, this led light source supporter 160 protrudes out setting towards LED street lamp 8 light directions on the whole.This led light source supporter 160 comprises foam metal layer 1600 and metal supporting layer 1601, described foam metal layer 1600 is formed by the foam metal with through-hole structure (can be in foam iron, foam copper, foamed aluminium, foam iron alloy, foam copper alloy, the foam aluminium alloy etc. a kind of), adopt foam copper in the present embodiment, hole count is 10～50 on the described foam metal per inch; Described metal supporting layer 1601 solid metal layer that the material identical with foam metal made of serving as reasons, metal supporting layer 1601 is a solid metal copper layer in the present embodiment, it is formed at the part surface of foam metal layer 1600 and engages with foam metal layer 1601 and is one, be one for engaging in the present embodiment by the mode of electroplating, described metal supporting layer 1601 forms the loading end of the described circuit board 2 of some carryings to small part, 6 loading ends have been formed in the present embodiment altogether, the end face of these 6 loading ends (not label) is with end face center (not label) symmetry of led light source supporter 160, and therefrom the mind-set both sides form first loading end 16010 successively, second loading end 16011 and edge loading end 16012.First loading end 16010 at next-door neighbour's led light source supporter 160 end face centers is plane in the described loading end, and other loading ends (second loading end 16011, edge loading end 16012) are the evagination arc surfaced.Bright dipping normal direction and the led light source supporter 160 end face median plane M of the LED that is provided with on the described loading end 16010,16011,16012 are formed with acute angle included angle A, B, C respectively.Wherein, the angular range of included angle A is 5 °～15 °, and the angular range of included angle B is 35 °～40 °, and the angular range of angle C is 45 °～60 °.Included angle A is 9 ° in the present embodiment, and included angle B is 36 °, and angle C is 48 °.Be provided with first connecting portion 16013 that is connected the two between described first loading end 16010 and second loading end 16011, be provided with second connecting portion 16014 that is connected the two between described second loading end 16011 and the edge loading end 16012.
See also shown in Figure 4, described LED street lamp 8 also disposes a cooling fan 9, in the present embodiment, described cooling fan 9 is configured on the cooling fan supporting part 1603 relative with the light source loading face of led light source supporter 160, this cooling fan supporting part 1603 guarantees that at least described cooling fan 9 and described foam metal are partly unobstructed, the solid copper layer (perhaps copper coin) of cooling fan supporting part 1603 for having the part open window is combined as a whole by mode and the foam metal layer of electroplating 1600 equally in the present embodiment.Described cooling fan 9 is fixed on the cooling fan supporting part 1603, the main body of cooling fan 9 by described open window and foam metal layer 1600 parts over against, so that when cooling fan 9 work, can quicken the flowing velocity of air in the foam metal layer 1600, thereby the heat that can LED be produced is taken away faster and betterly, plays good heat-radiation effect.Certainly, the allocation position of cooling fan 9 can be selected according to actual conditions, the crucial flowing velocity that will guarantee to accelerate when cooling fan 9 is worked air in the foam metal layer 1600, such as in the foam metal layer 1600 of described led light source supporter 160, forming a receiving space, described cooling fan 9 is configured in this receiving space, can reaches same effect.Described in the present embodiment led light source supporter 160 is fixing by screw (not label) with lower house 1, described lower house 1 corresponding described led light source supporter 160 is provided with fixed support body 17, is formed with the space of accommodating described cooling fan 9 between the described fixed support body 17.
Described circuit board 2 is made (as the aluminum metal circuit board) by Heat Conduction Material, described LED installs by circuit board 2 next-door neighbour led light source supporters 160 surfaces, and it is consistent with the spatial relation of loading end (16010,16011, the 16012) formation of led light source supporter 160 that all led light source modules 7 are disposed at the spatial relation of the integral LED light source that led light source supporter 160 backs form.In addition, between circuit board 2 and led light source supporter 160, be provided with Heat Conduction Material (present embodiment employing heat-conducting glue),, reach better heat radiating effect so that the heat that led light source module 7 is sent passes rapidly.
In order to reach better radiating effect, can seal a side or several in (such as by heat-insulating shield sealing) foam metal layer 1600 sides according to the physical location of thermal source, in addition to reach better radiating effect.The part that is closed is specifically determined according to the position of thermal source, such as other sides in can closed side, the side that only stays the thermal source position keeps open, when cooling fan 9 work, air only stayed from the side of thermal source position, will effectively solve local heat source's concentration problem.
The utility model in LED street lamp 8 led light source module 7 integral body when light direction protrudes out setting, guarantee that the bright dipping normal direction of the LED of setting on the edge loading end 16012 and the angle that led light source supporter 160 end face median planes form are 45 °～60 °, thereby improved the light distribution effect of LED street lamp 8 effectively.In addition, the utility model improves by the led light source supporter 160 to LED street lamp 8, make this led light source supporter 160 form metal supporting layer 1601 on the surface of foam metal, again led light source is fixed on the described metal supporting layer 1601 by circuit board 2, the heat that makes LED produce passes to foam metal layer by metal supporting layer 1601 rapidly, 3 D stereo network structure by foam metal inside, the long-pending first mate of air and heat source-contacting surface is increased, thereby can play good thermolysis rapidly.In addition, adopt foam metal can also save a large amount of metal materials, also reduced the weight of whole LED street lamp simultaneously significantly, not only economy but also easy to use.
More than describing is embodiment of the present utility model only, forgives and can understand, and 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 (10)
1. LED street lamp, comprise housing, circuit board, LED and led light source supporter, described LED is installed on some circuit boards and is fixed on formation one led light source module on the described led light source supporter by circuit board, it is characterized in that: described led light source supporter protrudes out setting towards LED street lamp light direction on the whole, this led light source supporter comprises a foam metal layer and a metal supporting layer that is formed by the foam metal with through-hole structure, described metal supporting layer is formed at the part surface of foam metal layer and engages with foam metal layer and is one, described metal supporting layer to small part forms the loading end of the described circuit board of some carryings, the end face of described each loading end is with led light source supporter end face center symmetry, described loading end comprises the edge loading end that is provided with away from led light source supporter end face center, and the angle that the bright dipping normal direction of the LED that is provided with on this edge loading end and led light source supporter end face median plane form is 45 °～60 °.
2. LED street lamp as claimed in claim 1, it is characterized in that: described loading end also comprises first loading end that the described led light source supporter end face of next-door neighbour center is provided with, and the angle that the bright dipping normal direction of the LED that is provided with on described first loading end and led light source supporter end face median plane form is 5 °～15 °.
3. LED street lamp as claimed in claim 2, it is characterized in that: be close to described first loading end and be provided with second loading end, described second loading end, one side is close to first loading end, opposite side is close to the loading end setting of described edge, and the angle that the bright dipping normal direction of the LED that is provided with on this second loading end and led light source supporter end face median plane form is 35 °～40 °.
4. LED street lamp as claimed in claim 1, it is characterized in that: the loading end at next-door neighbour's led light source supporter end face center is plane in the described loading end, other loading ends are the evagination arc surfaced, and the spatial relation that all LED are disposed at the integral LED light source that forms behind the led light source supporter is consistent with the spatial relation that the loading end of led light source supporter forms.
5. as each described LED street lamp among the claim 1-4, it is characterized in that: described LED street lamp also is provided with a cooling fan, and this cooling fan is configured in the part except that being formed with the metallic support layer region in the described foam metal laminar surface or is configured in the receiving space that forms in the foam metal layer.
6. LED street lamp as claimed in claim 5 is characterized in that: except that the part that is formed with metal supporting layer, have part to be closed in the remaining surface in the described foam metal laminar surface.
7. LED street lamp as claimed in claim 1 is characterized in that: described metal supporting layer is one with foam metal layer by electroplating to engage.
8. as each described LED street lamp in the claim 1,2,3,4 or 7, it is characterized in that: described foam metal can be a kind of in foam iron, foam copper, foamed aluminium, foam iron alloy, foam copper alloy, the foam aluminium alloy.
9. LED street lamp as claimed in claim 8 is characterized in that: hole count is 10～50 on the described foam metal per inch.
10. as each described LED street lamp in the claim 1,2,3,4 or 7, it is characterized in that: the described metal supporting layer solid metal layer that the material identical with foam metal made of serving as reasons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200029832U CN201288973Y (en) | 2007-07-31 | 2008-01-30 | LED road lamp |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720073120 | 2007-07-31 | ||
| CN200720073120.X | 2007-07-31 | ||
| CNU2008200029832U CN201288973Y (en) | 2007-07-31 | 2008-01-30 | LED road lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201288973Y true CN201288973Y (en) | 2009-08-12 |
Family
ID=40038522
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201332404U Expired - Fee Related CN201137835Y (en) | 2007-07-31 | 2007-12-26 | Large power LED road lamp and its housing |
| CNU2008200029832U Expired - Fee Related CN201288973Y (en) | 2007-07-31 | 2008-01-30 | LED road lamp |
| CNU2008200029809U Expired - Fee Related CN201162972Y (en) | 2007-07-31 | 2008-01-30 | LED road lamp light source module group |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201332404U Expired - Fee Related CN201137835Y (en) | 2007-07-31 | 2007-12-26 | Large power LED road lamp and its housing |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200029809U Expired - Fee Related CN201162972Y (en) | 2007-07-31 | 2008-01-30 | LED road lamp light source module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN201137835Y (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661545A (en) * | 2012-05-02 | 2012-09-12 | 浙江全加好科技有限公司 | High-power light emitting diode (LED) tunnel light with metal radiating device |
| CN102661507A (en) * | 2012-05-02 | 2012-09-12 | 浙江全加好科技有限公司 | High-power LED (Light Emitting Diode) thermal module of metal radiator with heat tube |
| CN102661508A (en) * | 2012-05-02 | 2012-09-12 | 浙江全加好科技有限公司 | High-power LED (Light Emitting Diode) horizontal-insertion lamp with metal radiator |
| CN102661504A (en) * | 2012-05-02 | 2012-09-12 | 浙江全加好科技有限公司 | High-power light-emitting diode (LED) down lamp provided with metal radiating device |
| CN102661509A (en) * | 2012-05-02 | 2012-09-12 | 浙江全加好科技有限公司 | High-power light emitting diode (LED) radiating module with metal radiating device |
| CN102661505A (en) * | 2012-05-02 | 2012-09-12 | 浙江全加好科技有限公司 | High-power LED (light-emitting diode) flat plate lamp provided with metal heat abstractor |
-
2007
- 2007-12-26 CN CNU2007201332404U patent/CN201137835Y/en not_active Expired - Fee Related
-
2008
- 2008-01-30 CN CNU2008200029832U patent/CN201288973Y/en not_active Expired - Fee Related
- 2008-01-30 CN CNU2008200029809U patent/CN201162972Y/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN201162972Y (en) | 2008-12-10 |
| CN201137835Y (en) | 2008-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20110130 |