CN103867974B - A kind of LED street lamp - Google Patents
A kind of LED street lamp Download PDFInfo
- Publication number
- CN103867974B CN103867974B CN201410076365.2A CN201410076365A CN103867974B CN 103867974 B CN103867974 B CN 103867974B CN 201410076365 A CN201410076365 A CN 201410076365A CN 103867974 B CN103867974 B CN 103867974B
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- China
- Prior art keywords
- heat sink
- street lamp
- lamp housing
- 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
Abstract
The present invention relates to a kind of LED street lamp, including the first heat sink, LED chip and inner conductive assembly, described LED chip is connected to the bottom of described first heat sink, it is characterized in that: described first heat sink both sides along its length stretch out respectively and are folded up being formed the lamp housing of an inner hollow, and described inner conductive assembly is arranged in above-mentioned lamp housing；Ventilative groove is offered on the first described heat sink.The heat that LED chip produces can be directly passed to, on whole lamp housing, shorten heat passing time, expand area of dissipation, substantially increase radiating efficiency；Ventilative groove can reduce the front face area of street lamp, reduces windage, can reduce the shaking degree of street lamp in the strong wind weather of bad environments, improves the security performance of street lamp.
Description
Technical field
The present invention relates to lighting installation technical field, refer specifically to a kind of LED street lamp.
Background technology
LED street lamp is as conventional public lighting, and its service life is the emphasis place that people study, and has
Good heat dispersion can extend the service life of street lamp undoubtedly to a great extent, therefore, how to make LED have
Preferably one of heat dispersion important research direction becoming this area researcher.
In prior art, mostly the radiator structure of street lamp is by the way of free convection or heat loss through radiation to realize heat radiation, as
Authorization Notice No. be CN202469923U Chinese utility model patent " lamp socket of LED daylight lamp " (application number:
201220064288.5), disclose a kind of preferable holder structure of radiating effect, this lamp socket along body length direction two
Side is outward extended with curved flank respectively, and this flank can play the effect of radiator, produces during LED chip work
Heat can be conducted to flank by lamp holder body and dispel the heat, the curved surfaces of flank increases area of dissipation, thus
Make light fixture have good radiating effect, but use the lamp socket of said structure still to have certain defect, when outdoor wind speed
Time bigger, the existence of flank increases the front face area of light fixture so that light fixture rocks acutely under stronger wind-force effect,
The structure being easily caused lamp interior is destroyed, and affects the normal use of light fixture；Further, above-mentioned lamp socket is used, at dress
Timing also need to additionally arrange lampshade in the bottom of lamp socket, in connecting with LED chip in protecting LED chip and lamp socket
Portion's conductive component is without damage, and this heat resulting in LED chip and the generation of inner lead assembly can only first conduct in side
On the wing, the front face area then utilizing flank bigger dispels the heat, and not only increases the time of heat transmission, has delayed heat
The speed that amount disperses, large-area flank too increases the weight of lamp socket, is not easy to installation and removal.
Therefore, for current road lamp radiating structure, still await further being improved.
Summary of the invention
The technical problem to be solved is the present situation for prior art, it is provided that a kind of windage is little and good heat dissipation effect
LED street lamp.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of LED street lamp, including the first heat sink,
LED chip and inner conductive assembly, described LED chip is connected to the bottom of described first heat sink, it is characterised in that:
Described first heat sink both sides along its length stretch out respectively and are folded up being formed the lamp housing of an inner hollow, institute
The inner conductive assembly stated is arranged in above-mentioned lamp housing；Ventilative groove is offered on the first described heat sink.
As a further improvement on the present invention, described LED street lamp also includes being arranged at above described first heat sink
Second heat sink；Described second heat sink both sides along its length are folded up being shaped to two relative flanks, institute respectively
The ventilative groove stated on the second heat sink is opened on this flank；The two ends of described ventilative groove have to the same side elongation moulding respectively
The fin corresponding with described ventilative groove.Use said structure, to increase the area of dissipation of street lamp, make LED chip and
The heat that inner conductive assembly produces disperses faster.
Also having, on the second heat sink in described lamp housing, the bracing frame arranged along its length, one end of this bracing frame connects
There is a longitudinally disposed gripper shoe；LED street lamp also includes the first end cap and the second end being covered on described lamp housing two ends respectively
Lid, described first end cap connects and has an installed part that can rotate upwardly and downwardly relative to lamp housing, described gripper shoe and described the
One end cap is connected.The setting of above-mentioned bracing frame can increase the bearing capacity of lamp housing, to bear outdoor more powerful wind-force；
The setting of gripper shoe further enhancing the firmness of lamp housing；After installation, street lamp main body is rotated relative to installed part,
Optimal illumination angle can be regulated.
In above-mentioned each scheme, described first heat sink both sides along its length stretch out respectively to be formed and are folded up
Turn up sheet, two turn up to connect between the top of sheet and have turning up of a cover plate, described cover plate and the first heat sink and both sides thereof
Lamp housing described in sheet combination formation.
In order to reduce windage further, the both ends of the surface of described lamp housing are all shaped to trapezoidal, and described in turn up sheet and described first
Round-corner transition face is formed between heat sink.
In order to avoid after street lamp Long-Time Service, LED chip is affected its brightness by dust covering, described LED street lamp is also wrapped
Include the lampshade that button is located at bottom described first heat sink and can described LED chip be covered.
Preferably, it is connected between described LED chip with described first heat sink and has conducting strip, to ensure the first heat sink
With effectively contacting between LED chip, accelerate the transmission speed of heat.
Compared with prior art, it is not separately provided lamp housing due to the present invention, but by the first heat sink the most along its length
Both sides stretch out respectively and be folded up thus form the lamp housing of an inner hollow, such structure makes LED chip
The heat produced can be directly passed on whole lamp housing, not only shortens heat passing time, the biggest expansion
Area of dissipation, substantially increases radiating efficiency；Also having offered ventilative groove on the first heat sink, the setting of ventilative groove is not
Being only capable of and make the inside of lamp housing communicate with ambient atmosphere, increase the flowing of air, the fastest takes away lamp housing inner lead
The heat that assembly and LED chip produce, it is also possible to reduce the front face area of street lamp, reduces windage, at bad environments
Strong wind weather reduces the shaking degree of street lamp, improves the security performance of street lamp.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation in the embodiment of the present invention without the second end cap；
Fig. 3 is the first end cap and the part-structure schematic diagram of connector in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
A kind of LED street lamp, as shown in Figure 1, 2, including the first heat sink 1, LED chip 3 and inner conductive assembly
(not shown), LED chip 3 is connected to the bottom of the first heat sink 1, the first heat sink 1 along its length two
Side stretches out respectively and is folded up being formed the lamp housing of an inner hollow, and in the present embodiment, the first heat sink 1 is along length
The both sides in degree direction stretch out respectively be formed be folded up turn up sheet 11, two turn up and connect between the top of sheet 11
Sheet 11 combination of turning up having a cover plate 5, cover plate 5 and the first heat sink 1 and both sides thereof forms above-mentioned lamp housing, inner conductive
Assembly is arranged in above-mentioned lamp housing；Ventilative groove 10 is offered on first heat sink 1.When the power of LED street lamp is bigger,
In order to the radiating effect making LED street lamp is more preferable, LED street lamp is additionally provided with the second heat sink 2, the second heat sink 2
In the top of the first heat sink 1, the second heat sink 2 can be one-body molded with the first heat sink 1, it is also possible to passes through bolt
It is connected with the first heat sink 1, when the power of LED street lamp is less, it is also possible to be not provided with the second heat sink 2；Second dissipates
Hot plate 2 both sides along its length are folded up being shaped to two relative flanks 21 respectively, ventilative on the second heat sink 2
Groove 10 is opened on this flank 21.
Use the LED street lamp of said structure, it is not necessary to be separately provided lamp housing, but directly by the first heat sink 1 along length
The both sides in direction stretch out respectively formed be folded up turn up sheet 11, then turn up connection cover plate between sheet 11 two
5, thus be combined into the lamp housing of an inner hollow, and, the first heat sink 1 and turn up sheet 11 and be molded as one, so
The structure heat that makes LED chip 3 produce can be directly passed on whole lamp housing, when not only shortening heat transmission
Between, the biggest expands area of dissipation, substantially increases radiating efficiency；Also turning up sheet 11 and the first heat radiation
All offered ventilative groove 10 on plate the 1, second heat sink 2, the setting of ventilative groove 10 can not only make the inside of lamp housing with
Ambient atmosphere communicates, and increases the flowing of air, the fastest takes away lamp housing inner lead assembly and LED chip 3 is produced
Raw heat, it is also possible to reduce the front face area of street lamp, reduces windage, can reduce in the strong wind weather of bad environments
The shaking degree of street lamp, improves the security performance of street lamp；It addition, integrated first heat sink 1 and turn up sheet 11
Also simplify production assembly technology, it is simple to the assembling of street lamp；Meanwhile, the setting of ventilative groove 10 makes the weight of lamp housing big
Big reduction, saves street lamp production material, reduces production cost.
In order to avoid after street lamp Long-Time Service, LED chip 3 is affected its brightness by dust covering, LED street lamp also includes button
The lampshade 4 being located at bottom the first heat sink 1 and LED chip 3 can be covered.
In the present embodiment, as in figure 2 it is shown, ventilative groove 10 is the ventilative groove of the bar shaped laterally offered, the two of ventilative groove 10
End have the fin 20 corresponding with ventilative groove 10 to the same side elongation moulding respectively, fin 20 can be square, semicircle,
Arcs etc., preferably arc, to reduce windage to greatest extent.Fin 20 structure can increase the area of dissipation of street lamp,
The heat making LED chip 3 and inner conductive assembly produce disperses faster.In order to reduce windage further, lamp housing
Both ends of the surface are all shaped to trapezoidal, and turn up and form round-corner transition face 12 between sheet 11 and the first heat sink 1.
As shown in Figure 1, 2, LED street lamp also includes the first end cap 6 and the second end cap 7 being covered on lamp housing two ends respectively；
Due to streetlamp housing simple in construction, the light weight of the present embodiment, the resistance to compression wind loading rating overall in order to strengthen street lamp, in lamp housing
The second heat sink 2 on also there is the bracing frame 22 arranged along its length, one end of this bracing frame 22 connects has one to indulge
To the gripper shoe 23 arranged, this gripper shoe 23 is connected with the first end cap 6 bolt.The setting of above-mentioned bracing frame 22 can increase
Add the bearing capacity of lamp housing, to bear outdoor more powerful wind-force；Arranging gripper shoe 23 can be so that lamp housing and the first end
Lid 6 is attached, and also further enhancing the firmness of lamp housing.
In the present embodiment, the first end cap 6 of LED street lamp is also associated with the peace that can rotate upwardly and downwardly relative to lamp housing
Piece installing 8, the end face of the first end cap 6 stretches out to be molded two relative otic placodes 61, and on two otic placodes 61, correspondence has confession
The first screwed hole 611 that bolt passes, one end of installed part 8 connects the convergence part 81 having a cylinder, this convergence part 81
Two ends have axial second screwed hole 811 corresponding with the first screwed hole 611, during assembling, by convergence part
81 are placed between two otic placodes 61, and installed part 8 is rotated with the second screwed hole 811 by bolt 9 through the first screwed hole 611
Be connected on the first end cap 6；Axial gear 812 it is additionally provided with on the outer peripheral face of convergence part 81, correspondence, the first end
Lid 6 is provided with the rack rails (not shown) being meshed with gear 812, by street lamp main body relative to installation after installation
Part 8 rotates, and when turning to suitable angle, street lamp main body can be fixed by the gear 812 being meshed with rack rails,
To regulate optimal illumination angle.
Preferably, it is connected between LED chip 3 with the first heat sink 1 and has conducting strip (not shown), to ensure second
Effectively contacting between heat sink 1 with LED chip 3, accelerates the transmission speed of heat.
Claims (8)
1. a LED street lamp, including the first heat sink, LED chip and inner conductive assembly, described LED chip
Be connected to the bottom of described first heat sink, it is characterised in that: described first heat sink both sides along its length respectively to
Outer extension is also folded up being formed the lamp housing of an inner hollow, and described inner conductive assembly is arranged in above-mentioned lamp housing；Institute
Ventilative groove is offered on the first heat sink stated；Also include being arranged at the second heat sink above described first heat sink, institute
State the second heat sink both sides along its length and be folded up being shaped to two relative flanks respectively, on described second heat sink
Ventilative groove be opened on this flank.
LED street lamp the most according to claim 1, it is characterised in that: the ventilative groove on described first heat sink
There is the fin corresponding with described ventilative groove at two ends to the same side elongation moulding respectively.
LED street lamp the most according to claim 1, it is characterised in that: on the second heat sink in described lamp housing also
Having the bracing frame arranged along its length, one end of this bracing frame connects a longitudinally disposed gripper shoe.
LED street lamp the most according to claim 3, it is characterised in that: also include being covered on described lamp housing two respectively
First end cap of end and the second end cap, described first end cap connects and has the installed part that can rotate upwardly and downwardly relative to lamp housing,
Described gripper shoe is connected with described first end cap.
5. according to the LED street lamp described in any claim in Claims 1 to 4, it is characterised in that: described first
Heat sink both sides along its length stretch out respectively be formed be folded up turn up sheet, two turn up between the top of sheet
Connect and have the sheet of turning up of a cover plate, described cover plate and the first heat sink and both sides thereof to combine the lamp housing described in being formed.
LED street lamp the most according to claim 5, it is characterised in that: the both ends of the surface of described lamp housing are all shaped to ladder
Shape, and described in turn up and form round-corner transition face between sheet and described first heat sink.
7. according to the LED street lamp described in any claim in Claims 1 to 4, it is characterised in that: also include button
The lampshade being located at bottom described first heat sink and described LED chip can be covered.
8. according to the LED street lamp described in any claim in Claims 1 to 4, it is characterised in that: described LED
It is connected between chip with described first heat sink and has conducting strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076365.2A CN103867974B (en) | 2014-03-04 | 2014-03-04 | A kind of LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076365.2A CN103867974B (en) | 2014-03-04 | 2014-03-04 | A kind of LED street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103867974A CN103867974A (en) | 2014-06-18 |
| CN103867974B true CN103867974B (en) | 2016-09-07 |
Family
ID=50906806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410076365.2A Active CN103867974B (en) | 2014-03-04 | 2014-03-04 | A kind of LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103867974B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020058110A1 (en) * | 2018-09-19 | 2020-03-26 | Signify Holding B.V. | Luminaire mounting |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012040925A1 (en) * | 2010-09-30 | 2012-04-05 | 李翔 | Led street lamp using thermoelectric cooling device |
| CN201916804U (en) * | 2010-12-21 | 2011-08-03 | 广东奥其斯科技有限公司 | LED streetlamp with complete heat dissipation structure |
| CN202152960U (en) * | 2011-06-29 | 2012-02-29 | 珠海亮码光电科技有限公司 | Efficient radiating structure for street lamp |
| US8628217B2 (en) * | 2011-11-12 | 2014-01-14 | Bridgelux, Inc. | Low profile heat sink with attached LED light source |
| CN202392613U (en) * | 2011-12-21 | 2012-08-22 | 中山市世耀光电科技有限公司 | High-power LED (light-emitting diode) lighting streetlamp |
| CN203190367U (en) * | 2013-01-31 | 2013-09-11 | 广德润视机电有限公司 | LED lamp heat dissipation plate component |
| CN203757510U (en) * | 2014-03-04 | 2014-08-06 | 宁波帕克电子有限公司 | LED street lamp |
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2014
- 2014-03-04 CN CN201410076365.2A patent/CN103867974B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103867974A (en) | 2014-06-18 |
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