CN104235714A - LED (Light Emitting Diode) street lamp - Google Patents
LED (Light Emitting Diode) street lamp Download PDFInfo
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- CN104235714A CN104235714A CN201410484976.0A CN201410484976A CN104235714A CN 104235714 A CN104235714 A CN 104235714A CN 201410484976 A CN201410484976 A CN 201410484976A CN 104235714 A CN104235714 A CN 104235714A
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- radiating
- street lamp
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- lamp
- led street
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- 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
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an LED (Light Emitting Diode) street lamp, which comprises a lamppost, a lamppost connecting rod and a lamp body, wherein the lamppost connecting rod comprises a built-in part embedded in the bottom of the lamp body, and a built-out part exposed to the lamp body, wherein a plurality of first strip-shaped cuts cut by a cutter are arranged on the side surface of the built-in part, and are punched by a punch into a plurality of first radiating holes and arched first radiating fins, and the lamp body comprises a lamp shell, a radiator, LED light source structures, light transmitting covers and fasteners; the lamp shell is made by glass fiber reinforced javascript:void(0);or a PC (Poly Carbonate) material, and the radiator is formed by transversely arranging and splicing a plurality of radiating fins, or by longitudinally overlapping a plurality of radiating fins; the two ends of radiating bases of the radiating fins tilt out and extend out of radiating surfaces, and a plurality of second radiating holes and second radiating fins are arranged on the radiating surfaces. The LED street lamp provided by the invention has the advantages of simple structure, realization of ideal radiating effect by using a self-structure design, reduction in production cost due to the glass fiber reinforced javascript:void(0);or PC lamp shell, various shapes, long servie life and the like.
Description
Technical field
The present invention relates to road lighting technology, particularly a kind of LED street lamp.
Background technology
1879, Pu, Shanghai 16 harbour lighted China's first lamp, and from then on along with the progress of science and technology, street lamp becomes the requisite communal facility in each city already.Along with LED technology is constantly brought forth new ideas, LED will replace conventional light source and be popularized, to alleviate the increasingly serious energy crisis in the whole world and to improve the living environment of the mankind.
LED street lamp has energy-conservation, that colourity good, non-maintaining, the life-span is long feature and is widely used in road lighting field.But in general, street lamp is positioned at outdoor, affect by the factor such as dust, environment temperature, make to dispel the heat the key factor becoming and affect the LED street lamp life-span.As everyone knows, the circulation way of heat mainly contains conduction, radiation, convection current three kinds, and existing LED street lamp is snakehead lamp mostly, and its radiating mode is mainly heat loss through radiation, and radiating effect is not good.When using for a long time, affect by external environments such as dusts, radiating effect can worse and worse, thus make the heat of LED work generation constantly build up, and high temperature causes its life-span to be fallen sharply.
Meanwhile, traditional casing of street lamp generally adopts heat-conducting metal or plastics to make, although heat-conducting metal good heat conductivity, production process bothers, shaping washability is narrow, production cost is higher; And it is poor to adopt plastics to reduce production cost finished product heat dispersion, affect indirectly the service life of LED street lamp.
Therefore, how to realize a kind of good heat dissipation, structure is simple, cost is low, the LED street lamp of various shapes, long service life is technical problem urgently to be resolved hurrily in the industry.
Summary of the invention
Main purpose of the present invention is to provide a kind of LED street lamp, is intended to realize a kind of good heat dissipation, structure is simple, cost is low, the LED street lamp of various shapes, long service life.
The present invention proposes a kind of LED street lamp, comprises lamppost, lamppost connecting rod, lamp body.Lamppost connecting rod comprise to be embedded at bottom lamp body in and be connected by screw with lamp body internal portion that mode carries out being connected, expose to the outer and external part be connected and fixed with lamppost top of lamp body, internal portion side is evenly laid with the first bar shaped otch that some cutting knifes are cut into, the first bar shaped otch goes out some first louvres and the first radiating fin in arch shape by punch press effect; Lamp body comprises lamp housing, the radiator be installed on lamp housing, LED light source structure, be covered on the structural diffuser of LED light source, the securing member be located on diffuser side, lamp housing is made up of fiberglass or PC material, radiator is spliced to form by some fin are transversely arranged, or radiator is formed by the longitudinal closed assembly of some fin, spreader surface is coated with thermal dispersant coatings.
Preferably, fin comprises heat dissipation base, radiating surface is extended towards outer incline in heat dissipation base two ends, radiating surface is evenly laid with the second bar shaped otch that some cutting knifes are cut into, the second bar shaped otch goes out some second louvres and the second radiating fin in arch shape by punch press effect.
Preferably, the angle of inclination of radiating surface that extends outwardly out, some heat dissipation base two ends of transversely arranged splicing is identical.
Preferably, the angle of inclination of the radiating surface of each fin of longitudinal closed assembly different and mutually adaptation the radiating surface split of the fin of each longitudinal closed assembly is formed towards outer incline divergent structure.
Preferably, radiator is made up of heat-conducting metal, and heat-conducting metal selects iron, aluminium, copper or aluminium alloy.
Preferably, lamp body inside is set to hollow cavity.
Preferably, LED light source structure comprises the circuit board be installed on heat dissipation base, is evenly laid in some LED lamp bead on circuit board, is electrically connected and is built in the drive unit in hollow cavity with LED lamp bead.
Preferably, securing member is connected by screw mode and is mounted on heat dissipation base by diffuser.
Preferably, diffuser is made up of glass or plastics.
A kind of LED street lamp of the present invention, comprises lamppost, lamppost connecting rod, lamp body.Lamppost connecting rod comprises the internal portion be embedded in bottom lamp body, expose to the outer and external part be connected and fixed with lamppost top of lamp body, internal portion side is evenly laid with the first bar shaped otch that some cutting knifes are cut into, the first bar shaped otch goes out some first louvres and the first radiating fin in arch shape by punch press effect; Lamp body comprises lamp housing, radiator, LED light source structure, diffuser, securing member, lamp housing is made up of fiberglass or PC material, radiator is spliced to form by some fin are transversely arranged, or radiator is formed by the longitudinal closed assembly of some fin, and spreader surface is coated with thermal dispersant coatings.Fin comprises heat dissipation base, radiating surface is extended towards outer incline in heat dissipation base two ends, radiating surface is evenly laid with the second bar shaped otch that some cutting knifes are cut into, the second bar shaped otch goes out some second louvres and the second radiating fin in arch shape by punch press effect.First louvre of LED street lamp of the present invention and the second louvre and lamp body inside are set to hollow cavity, three's perfect adaptation, lamp body inner air and cool exterior air can be flowed by free exchange, the flowing law of air is utilized to carry out heat exchange fast and effectively, thus reach desirable radiating effect, ensure that the long-term normal of LED light source structure uses, extend the service life of LED light source component.LED street lamp of the present invention also goes out some the first radiating fins in arch shape and the second radiating fin by the effect of punch press, and compare with traditional mould molding, production process is simple, saves die cost, greatly reduce production cost while saving material.And radiating fin also increases area of dissipation from self structure, accelerate radiating rate further, extend the service life of LED street lamp.Lamp housing is made up of fiberglass or PC material, the cost of fiberglass or PC material is much smaller than traditional heat-conducting metal and the thermal conductivity of fiberglass or PC material not second to heat-conducting metal, cost performance is high, energy-conserving and environment-protective, fiberglass or PC material can make arbitrary shape simultaneously, washability is high, simplifies production and assembly operation.The radiating effect that this structure is simple, utilize its structural design to reach desirable, lamp housing adopt fiberglass or PC material to reduce the LED street lamp of production cost, various shapes, long service life, should be widely promoted and are applied in road lighting field.
Accompanying drawing explanation
Fig. 1 is the perspective view of an embodiment of a kind of LED street lamp of the present invention;
Fig. 2 is the stereochemical structure decomposing schematic representation of the lamp body in an embodiment of a kind of LED street lamp of the present invention, and wherein lamp housing does not show;
Fig. 3 is one of perspective view of radiator in an embodiment of a kind of LED street lamp of the present invention, and in figure, radiator is spliced to form by the transversely arranged splicing of some fin and longitudinal closed assembly;
Fig. 4 is that in the perspective view two, figure of radiator in an example of a kind of LED street lamp of the present invention, radiator is formed by the longitudinal closed assembly of some fin.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Referring to figs. 1 through Fig. 4, propose an embodiment of a kind of LED street lamp of the present invention, comprise lamppost, lamppost connecting rod 100, lamp body.Lamppost connecting rod 100 comprise to be embedded at bottom lamp body in and be connected by screw with lamp body internal portion that mode carries out being connected, expose to the outer and external part be connected and fixed with lamppost top of lamp body, internal portion side is evenly laid with the first bar shaped otch that some cutting knifes are cut into, the first bar shaped otch goes out some first louvres 101 and the first radiating fin 102 in arch shape by punch press effect; Lamp body comprises lamp housing 200, the radiator 300 be installed on lamp housing 200, LED light source structure 600, the diffuser 500 be covered in LED light source structure 600, the securing member 400 be located on diffuser 500 side, lamp housing 200 is made up of fiberglass or PC material, radiator 300 is spliced to form by some fin are transversely arranged, or radiator 300 is formed by the longitudinal closed assembly of some fin, radiator 300 surface is coated with thermal dispersant coatings, effectively improves the radiating efficiency of radiator 300.
Fin comprises heat dissipation base 304, radiating surface 303 is extended towards outer incline in heat dissipation base 304 two ends, radiating surface 303 is evenly laid with the second bar shaped otch that some cutting knifes are cut into, the second bar shaped otch goes out some second louvres 301 and the second radiating fin 302 in arch shape by punch press effect.
Street lamp is positioned at outdoor, affects by the factor such as dust, environment temperature, and make to dispel the heat the key factor becoming and affect the LED street lamp life-span.LED street lamp of the present invention reaches desirable radiating effect by the design of self.First be refute the lamppost connecting rod 100 closing lamp body and lamp stand, be divided into internal portion and external part, external part because wanting water proof and dust proof, so must hermetically-sealed construction; And internal portion is placed in lamp body inside, for reaching radiating effect, side is equipped with some first louvres 101.The radiating surface 303 of radiator 300 is equipped with some second louvres 301.The combination of the first louvre 101 and the second louvre 301, lamp body inside is set to hollow cavity simultaneously, whole lamp body inner ventilation is breathed freely, utilizes air flowing law to carry out quick available heat exchange, thus reach desirable radiating effect.
Radiator 300 is made up of heat-conducting metal, and heat-conducting metal selects iron, aluminium, copper or aluminium alloy.LED light source structure 600 comprises the circuit board be installed on heat dissipation base 304, is evenly laid in some LED lamp bead on circuit board, is electrically connected and is built in the drive unit in hollow cavity with LED lamp bead.The heat produced when LED light source structure 600 works is delivered to rapidly on radiator 300, the conductive force of radiator 300, heat conduction is fast, make heat dishoarding, come further heat diffusion to be gone out, ensure that the long-term normal work of LED light source structure 600, extend the service life of LED light source component.
LED street lamp of the present invention, goes out the first radiating fin 102 and the second radiating fin 302 in arch shape by punch press effect, aesthetic in appearance.More traditional die sinking is shaping, not only simplify production process, and has greatly deducted die sinking expense, reduces production cost.The design of radiating fin simultaneously, increase the contact area with extraneous air, increasing heat radiation area accelerates radiating rate further.And louvre is formed when radiating fin is gone out in punch press effect, one-body molded, overall ventilation and heat, good heat dissipation effect, radiating rate is fast, effectively extends the service life of LED street lamp.Radiating fin is made up of the clout of perforate, saves cost, and more meets environmental protection concept.
Radiator 300 is spliced to form by some fin are transversely arranged, or radiator 300 is formed by the longitudinal closed assembly of some fin.First, transversely arranged is that some heat dissipation bases 304 are transversely arranged, then the angle of inclination of radiating surface 303 that extends outwardly out, heat dissipation base 304 two ends is identical, the fin array splicing that shape is consistent be beneficial to together be just installed on lamp housing 200 into a single integrated structure, water proof and dust proof effectively.Heat dissipation base 304 has certain splicing gap each other, is beneficial to ventilation and heat, improves radiating efficiency further.The angle of inclination of the radiating surface 303 of each fin of longitudinal closed assembly is different and mutual adaptation makes radiating surface 303 split of the fin of each longitudinal closed assembly be formed towards outer incline divergent structure.LED light source structure 600 is installed to the heat dissipation base 304 of closed assembly topmost, each radiating surface 303 is towards outer incline and mutually adaptive, louvre between radiating surface 303, radiating fin are mutually ventilated, heat is delivered to rapidly in extraneous air by heat exchange, and such structure can reach ideal radiating effect.
LED street lamp of the present invention, by the structural design of self, does not need additionally to add heat radiation instrument to reach desirable radiating effect, and structure is simple, and production process is simple and easy, and production cost is low.Rapid heat dissipation, heat conduction are good, ensure that the long-term normal work of LED light source structure 600, extend the service life of LED light source component.
Existing casing of street lamp is generally made up of heat-conducting metal or plastics, although heat-conducting metal good heat conductivity, but production process more complicated, the shape that heat-conducting metal is made is limited, be difficult to meet the various demand of client, can not flexible assembling, and the price comparison of heat-conducting metal is high, increases the production cost of street lamp; And it is poor to adopt plastics to reduce production cost finished product heat dispersion, affected indirectly the service life of LED street lamp, simultaneously street lamp is installed on outdoor more, larger by ambient weather, ambient influnence.The lamp housing that plastics are made, after accepting the baptism of exposing to the sun and rain, is easy to aging breakage, and increase maintenance load and the cost of overhaul, even until have influence on the normal use of internal electrical element, and whole lamp is scrapped.
The maximum excellence point of LED street lamp of the present invention is that lamp housing 200 selects fiberglass or PC material to make, and wherein, fiberglass is also known as SMC, i.e. fiber-reinforced plastic, refers generally to glass fiber reinforcement unsaturated polyester, epoxy resin and phenolic resins collective.The finished product be made up of fiberglass, has light weight and firmly, non-conductive, mechanical strength is high, recycles few, corrosion-resistant, the advantages such as good in thermal property.In addition, select fiberglass or PC manufacture of materials lamp housing, fiberglass or PC material easy-formation, and can produce according to various shape, greatly meet customer need, the contour structures of hommization, is beneficial to erection.Fiberglass or PC material can also meet heat conductivility and the mechanical strength of heat-conducting metal, simultaneously corrosion-resistant, light weight and hard, overcome the defect that plastics can not stand external environment condition test.The non-conductive property of fiberglass or PC material, increases the usage safety performance of outdoor road lamp.Select glass just to make lamp housing, maximum feature is that cost is low, and the manufacturing process of lamp housing is recycled few, and not only simplify production process and save production cost, the price of fiberglass or PC material self is far below heat-conducting metal.Therefore, the lamp housing be made up of fiberglass or PC material had both remained the superperformance of heat-conducting metal, greatly reduced production cost again, should be widely promoted and be applied in lighting field.
Securing member 400 is connected by screw mode and is mounted on heat dissipation base 304 by diffuser 500.Diffuser 500 is made up of glass or plastics.By securing member 400, diffuser 500 is installed on heat dissipation base 304, reduces the risk that screw damages diffuser 500 by pressure, or during screw loosening, diffuser 500 displacement causes internal electrical damaging components.The design of diffuser 500, the point light source light-emitting mode of LED lamp bead is changed through after diffuser 500, and light becomes evenly soft, and visual effect is splendid, make effective lighting range brightness evenly, eliminate light pollution.Not only the light efficiency utilization rate of LED street lamp is high, and moulded also very attractive in appearance.
LED street lamp of the present invention, desirable radiating effect is reached by its structural design, lamp housing 200 is made up of fiberglass or PC material simultaneously, the cost of fiberglass or PC material is much smaller than traditional heat-conducting metal and the thermal conductivity of fiberglass or PC material not second to heat-conducting metal, cost performance is high, energy-conserving and environment-protective, and fiberglass or PC material can make arbitrary shape simultaneously, washability is high, simplifies production and assembly operation.The radiating effect that this structure is simple, utilize its structural design to reach desirable, lamp housing 200 adopt fiberglass or PC material to reduce the LED street lamp of production cost, various shapes, long service life, should be widely promoted and are applied in road lighting field.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a LED street lamp, comprise lamppost, lamppost connecting rod, lamp body, it is characterized in that, described lamppost connecting rod comprise to be embedded at bottom described lamp body in and be connected by screw with described lamp body the internal portion that mode carries out being connected, expose to the outer and external part be connected and fixed with described lamppost top of described lamp body, described internal portion side is evenly laid with the first bar shaped otch that some cutting knifes are cut into, described first bar shaped otch goes out some first louvres and the first radiating fin in arch shape by punch press effect, described lamp body comprises lamp housing, be installed on the radiator on described lamp housing, LED light source structure, be covered on the structural diffuser of described LED light source, be located at the securing member on described diffuser side, described lamp housing is made up of fiberglass or PC material, described radiator is spliced to form by some fin are transversely arranged, or described radiator is formed by the longitudinal closed assembly of some fin, described spreader surface is coated with thermal dispersant coatings.
2. a kind of LED street lamp according to claim 1, it is characterized in that, described fin comprises heat dissipation base, radiating surface is extended towards outer incline in described heat dissipation base two ends, described radiating surface is evenly laid with the second bar shaped otch that some cutting knifes are cut into, described second bar shaped otch goes out some second louvres and the second radiating fin in arch shape by punch press effect.
3. a kind of LED street lamp according to claim 2, is characterized in that, the angle of inclination of the described radiating surface that the some described heat dissipation base two ends of transversely arranged splicing extend outwardly out is identical.
4. a kind of LED street lamp according to claim 2, it is characterized in that, the angle of inclination of the described radiating surface of fin described in each of longitudinal closed assembly is different and mutual adaptation makes the described radiating surface split of the described fin of each longitudinal closed assembly be formed towards outer incline divergent structure.
5. a kind of LED street lamp according to Claims 2 or 3 or 4, is characterized in that, described radiator is made up of heat-conducting metal.
6. a kind of LED street lamp according to claim 5, is characterized in that, described lamp body inside is set to hollow cavity.
7. a kind of LED street lamp according to claim 6, it is characterized in that, described LED light source structure comprises the circuit board be installed on described heat dissipation base, is evenly laid in some LED lamp bead on described circuit board, is electrically connected and is built in the drive unit in described hollow cavity with described LED lamp bead.
8. a kind of LED street lamp according to claim 7, is characterized in that, described securing member is connected by screw mode and is mounted on described heat dissipation base by described diffuser.
9. a kind of LED street lamp according to claim 8, is characterized in that, described diffuser is made up of glass or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484976.0A CN104235714A (en) | 2014-09-22 | 2014-09-22 | LED (Light Emitting Diode) street lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484976.0A CN104235714A (en) | 2014-09-22 | 2014-09-22 | LED (Light Emitting Diode) street lamp |
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| CN104235714A true CN104235714A (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410484976.0A Pending CN104235714A (en) | 2014-09-22 | 2014-09-22 | LED (Light Emitting Diode) street lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240742A (en) * | 2015-10-21 | 2016-01-13 | 东莞勤上光电股份有限公司 | Led street lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201662027U (en) * | 2010-04-14 | 2010-12-01 | 深圳市华慧能照明科技有限公司 | LED streetlamp radiator |
| CN201819168U (en) * | 2010-04-30 | 2011-05-04 | 杨继远 | High-power light-emitting diode (LED) radiator |
| CN201909194U (en) * | 2010-10-18 | 2011-07-27 | 安徽瑞煌光电科技有限公司 | LED integrated heat-dissipating light source module |
| CN202253456U (en) * | 2011-09-08 | 2012-05-30 | 东莞市光宇新能源科技有限公司 | Lamp support of light-emitting diode (LED) street lamp |
-
2014
- 2014-09-22 CN CN201410484976.0A patent/CN104235714A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201662027U (en) * | 2010-04-14 | 2010-12-01 | 深圳市华慧能照明科技有限公司 | LED streetlamp radiator |
| CN201819168U (en) * | 2010-04-30 | 2011-05-04 | 杨继远 | High-power light-emitting diode (LED) radiator |
| CN201909194U (en) * | 2010-10-18 | 2011-07-27 | 安徽瑞煌光电科技有限公司 | LED integrated heat-dissipating light source module |
| CN202253456U (en) * | 2011-09-08 | 2012-05-30 | 东莞市光宇新能源科技有限公司 | Lamp support of light-emitting diode (LED) street lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240742A (en) * | 2015-10-21 | 2016-01-13 | 东莞勤上光电股份有限公司 | Led street lamp |
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