CN102011972B - LED (Light-Emitting Diode) street lamp - Google Patents
LED (Light-Emitting Diode) street lamp Download PDFInfo
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- CN102011972B CN102011972B CN2009101103343A CN200910110334A CN102011972B CN 102011972 B CN102011972 B CN 102011972B CN 2009101103343 A CN2009101103343 A CN 2009101103343A CN 200910110334 A CN200910110334 A CN 200910110334A CN 102011972 B CN102011972 B CN 102011972B
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- lamp
- led
- cooling stand
- led street
- street lamp
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
- F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to the technical field of lighting control technologies and provides an LED (Light-Emitting Diode) street lamp. The LED street lamp comprises at least one light bar and a lamp hanger which is in dismountable connection with the light bar, wherein the light bar is provided with a light board, a cooling bracket and angle adjustment devices, wherein the light board is used for fixing an LED lamp, the cooling bracket is arranged above the light board, has the length matched with the light board and is provided with a cooling groove, and the angle adjustment devices are respectively arranged at both ends of the cooling bracket, connected with the lamp hanger and used for adjusting the lighting angle of the LED lamp. The LED street lamp of the invention has good cooling effect so as to prolong the service life; the brightness, lighting angles, and the like of the LED street lamp are adjustable, therefore, the adjustability of the LED street lamp is greatly improved.
Description
Technical field
The present invention relates to the lighting control technique field, more particularly, relate to a kind of LED street lamp.
Background technology
Along with development of science and technology and progress, the LED street lamp replaces the conventional road lamp that energy consumption is big, the life-span is short gradually.In general, street lamp is positioned at outdoor, is subjected to factor affecting such as dust, environment temperature, makes heat radiation become the key factor that influences the LED street lamp life-span.As everyone knows, the circulation way of heat mainly contains three kinds of conduction, radiation, convection current, and existing LED street lamp is the snakehead lamp mostly, and its radiating mode is mainly radiation, and mainly there is following defective in it: owing to adopt heat loss through radiation, radiating efficiency is not good, longer when service time, dust is coverd with on the lamp surface, and radianting capacity just weakens greatly, the junction temperature of lamp is sharply risen, and the life-span falls sharply; And the adjustable of existing snakehead lamp is not high, for example if need to adjust street lamp power or irradiating angle, then needs whole lamp bracket or lamp are changed, and cost is higher.
Summary of the invention
Main purpose of the present invention is at the prior art defective, and a kind of LED street lamp is provided, and is intended to improve the radiating efficiency of LED street lamp, prolongs the life-span of LED street lamp, and improves the adjustable of existing LED street lamp.
LED street lamp of the present invention comprises at least one lamp bar and the lamp bracket that removably connects with described lamp bar, and wherein, described lamp bar is provided with:
Lamp plate is used for fixed L ED lamp;
Cooling stand is positioned at described lamp plate top, and length and described lamp plate are adaptive, are provided with radiating groove;
Angle regulator is positioned at the two ends of described cooling stand, and links to each other with lamp bracket, is used for regulating the irradiating angle of LED lamp.
Preferably, described angle regulator comprises: described angle regulator comprises: end cap is positioned at the two ends of cooling stand;
Connection Block, a side and lamp bracket removably connect, and opposite side links to each other with end cap;
Be provided with dentalation between described end cap and the Connection Block, be used for regulating the irradiating angle of LED lamp.
Preferably, be provided with spring between described Connection Block and the described end cap.
Preferably, described LED lamp comprises at least two lamp bars, and described lamp bar be arranged in parallel between any two, and apart 0 to 20mm.
Preferably, described lamp bar is divided into two groups, and the relative lamp bracket axis of two lamp bar assemblies is symmetrical arranged, and has 5 to 50mm spacings between the two lamp bar groups.
Preferably, described lamp bar assembly setting at an angle to each other.
Preferably, described radiating groove comprises heatsink transverse groove and/or vertical radiating groove.
Preferably, the cross section of described cooling stand is " H " shape and arranges, and its both side surface is provided with longitudinal fluting.
Preferably, described lamp plate is plugged in described cooling stand lower end, and secondary optics reflector plate and one goes out light shield and be plugged in successively below the lamp plate, is used for luminous intensity distribution and sealing cooling stand lower end.
Preferably, described lamp bar also comprises seal, between the two ends of described Connection Block and cooling stand lower end, goes out light shield, cooling stand and Connection Block and forms an anti-hydrospace with described.
Preferably, described lamp bracket is frame structure, is open setting.
Preferably, described lamp bracket upper end is provided with a cavity body structure shell that is used for fixed power source, cavity body structure shell bottom side at a distance of lamp bar 30 to 100mm.
Preferably, described cavity body structure shell both sides are provided with guide groove, are used for being connected with the street lamp fixing and mounting bracket.
Preferably, in the described cavity body structure lamp post installation apparatus is arranged, be used for linking to each other with lamp stand.
As from the foregoing, LED street lamp of the present invention comprises at least one lamp bar and the lamp bracket that removably connects with the described bar of lamp at least, and the lamp plate top is provided with cooling stand, but heat loss through convection has improved the radiating efficiency of LED street lamp, thereby has prolonged the life-span of LED street lamp; And the lamp bar is provided with angle regulator, can adjust the irradiating angle of lamp, has improved the adjustable of LED street lamp greatly.
Description of drawings
Fig. 1 is the blast structural representation of LED street lamp in an embodiment of the invention;
Fig. 2 is the structural representation of lamp bar in the above-mentioned embodiment;
Fig. 3 is the structural representation of cooling stand in the above-mentioned embodiment;
Fig. 4 is the cross-sectional structure schematic diagram of cooling stand among above-mentioned Fig. 3;
Fig. 5 is the assembly structure schematic diagram of lamp bar among the embodiment of above-mentioned embodiment;
Fig. 6 is the blast structural representation of LED street lamp in another embodiment of the present invention;
Fig. 7 is the structural representation of lamp bar among above-mentioned Fig. 6;
Fig. 8 is the assembly structure schematic diagram of lamp bar among another embodiment of above-mentioned embodiment.
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
Fig. 1 shows the structure of LED street lamp in an embodiment of the invention.As shown in Figure 1, this LED street lamp comprises at least one lamp bar 10, lamp bracket 20 and power supply 30, wherein lamp bar 10 lamp plate 15 that is provided with angle regulator 11, cooling stand 12 at least and is used for fixed L ED lamp; Lamp bracket 20 is provided with a plurality of connecting holes 21, is used for connecting lamp bar 10.
Above-mentioned cooling stand 12 is positioned at the top of lamp plate 15, and length and lamp plate 15 are adaptive, are provided with radiating groove 120.
Above-mentioned supply unit 30 can be included as the shell 31 of cavity body structure.The both ends open of this shell 31 is open setting, and its material can be aluminium alloy or kirsite etc., and thickness can be between 1mm to 3mm.Because its material is metal, both ends open when the LED lamp is worked, can play heat insulation and the wind-guiding effect, so that heat radiation better.The both sides of shell 31 are provided with mounting groove, are used for being connected with external equipment; Inside is provided with lamp post installation apparatus 33, is used for linking to each other with lamp stand, and it can be made of soft steel cable and soft steel disc, can be suitable for the shape of various lamp stands.
The present invention makes the LED lamp to dispel the heat preferably by above-mentioned lamp bar 10 and lamp bracket 20 are set at the LED street lamp, has improved the radiating efficiency of LED street lamp, thereby has prolonged the life-span of LED street lamp; And, can adjust operating angle and the irradiation brightness of LED lamp, improved the adjustable of LED street lamp greatly.
Above-mentioned angle regulator 11 can comprise dentalation, and carries out calibration by this dentalation.As shown in Figure 2, in one embodiment, angle regulator 11 can comprise end cap 13 and Connection Block 14; Wherein, end cap 13 is positioned at the two ends of cooling stand 12, links to each other with cooling stand 12 by screw, and the one end is provided with gear ring 131; Be provided with gear 142 in the Connection Block 14, adaptive with the gear ring 131 of end cap 13, for the irradiating angle of regulating the LED lamp.
With reference to Fig. 1, a plurality of lamp bars 10 can parallel connection be arranged in the LED circuit for lamp, form the lamp bar assembly.When needs are adjusted the irradiation brightness of LED lamp, lamp bracket 20 can be dismantled or be added into to a plurality of lamp bars 10 from lamp bracket 20, also can be by the switch of each lamp bar 10 correspondence be set, realization is controlled single lamp bar 10 correspondences, thereby adjusts the irradiation brightness of LED lamp; If need to adjust the irradiating angle of LED lamp, can utilize gear 142 adaptive with it on gear ring 131 on the end cap 13 and the Connection Block 14, lamp bar 10 is rotated to an angle, thereby make LED light irradiation different range.
Above-mentioned lamp bar 10 also can comprise spring 22, is used for lamp plate 15, the secondary optics reflector plate 16 of fixed L ED lamp, goes out light shield 50, nut 17, diaphragm seal 18 and sealing ring 19.
Wherein, cooling stand 12 is positioned at the top of lamp plate 15, is provided with radiating groove 120, and in one embodiment, radiating groove 120 comprises heatsink transverse groove 121 and/or vertical radiating groove 122.In above-described embodiment, cooling stand 12 can be an aluminium alloy extrusions, makes by mould, when the LED lamp is worked, can dispel the heat preferably by heatsink transverse groove 121 and/or vertical radiating groove 122.
When lamp bar 10 is connected with lamp bracket 20, can make its compression to spring 22 application of forces, arrive the position of positioning end 141 and above-mentioned connecting hole 21 at once, retracting spring 22, thus make positioning end 141 and connecting hole 21 corresponding connections.When needs are regulated the irradiating angle of lamp bar 10, also can make its compression to spring 22 application of forces, with lamp bar 10 from lamp bracket 20 dismountings, then by regulating ring gear 131, lamp bar 10 is adjusted angle after, again it is connected with lamp bracket 20.
Above-mentioned secondary reflecting cup plate 16 and go out the below that light shield 50 is positioned at lamp plate 15 successively, and form an enclosure space with cooling stand 12, and also be provided with diaphragm seal 18 and sealing ring 19 between the two ends of cooling stand 12 and the end cap 13, can seal above-mentioned enclosure space, when preventing from raining, rainwater invades above-mentioned enclosure space.
As shown in Figure 3, the cross section that cooling stand 12 can be set is " H " shape, all has opening up and down, but efficiently radiates heat.Also can groove 123 can be set in the both sides of this " H " shape cooling stand 12, to increase area of dissipation, more effectively heat radiation.The bottom of cooling stand 12 is provided with draw-in groove 124, can hold above-mentioned lamp plate 15 and go out light shield 50.Locating slot 125 both can increase area of dissipation so that heat radiation better also can be used for connecting diaphragm seal 18 and sealing ring 19.For example, in above-described embodiment, a nut adaptive with locating slot 125 can be set, and by locating slot 125 with the nut location, in end cap 13 sides attachment screw is set, will reach diaphragm seal 18 by screw and nut and be connected with cooling stand 12 with sealing ring 19.
Fig. 4 shows the detailed construction of above-mentioned cooling stand 12, and it comprises heatsink transverse groove 121 and vertical radiating groove 122, and groove 123, draw-in groove 124 and locating slot 125 etc.In one embodiment, owing to have heatsink transverse groove 121 and vertical radiating groove 122, can dispel the heat to the LED lamp from a plurality of directions, thereby improve radiating efficiency.In another embodiment, also can radiating groove 120 be set to comprise heatsink transverse groove 121 or vertical in the radiating groove 122 according to road conditions.Should be noted that heatsink transverse groove among the present invention 121 and vertically the shape of radiating groove 122 have multiplely, should not be defined in shown in the Figure of description.
As shown in Figure 5, for heat radiation better, lamp bar 10 and lamp bracket 20 assemblings can be set after, cooling stand 12 can pass through choose reasonable D value at a distance of bottom one distance B of shell 31, lamp bar 10 is reached better at work dispel the heat.For example, in one embodiment, the D value can be set be 30mm; In another embodiment, the D value can be set and be 70mm; In another embodiment, the D value can be set and be 100mm.
Lamp bar 10 can have spacing between any two for a plurality of, also can be close to.Can arrange between the two lamp bars 10 at a distance of one apart from E, in one embodiment, E value can be set be 0mm, two lamp bars 10 are close to; In another embodiment, the E value can be set and be 10mm; In another embodiment, the E value can be set and be 20mm.
Also can divide into groups to a plurality of lamp bars 10.For example, a plurality of lamp bars 10 can be set to be parallel to each other, be divided into two groups, and this two lamps bar assembly is symmetry with the axis of lamp bracket 20, can arrange and be parallel to each other between the two lamp bar assemblies or at an angle to each other.In one embodiment, above-mentioned lamp bar assembly is parallel to each other, and apart one apart from G.This G value scope can be arranged on 5-40mm, utilize stack effect, this numerical value can guarantee two groups of wind speed maximums between the lamp bar, makes the temperature difference minimum of whole lamp, reaches the purpose of samming.In one embodiment, the G value can be set and be 5mm; In another embodiment, the G value can be set and be 20mm; In another embodiment, the G value can be set and be 40mm.
Fig. 6 shows the detailed construction of LED lamp in another embodiment of the present invention.As shown in Figure 6, lamp bracket 20 is open setting, and multiaspect is ventilated, and can effectively guarantee the heat radiation of lamp bar 10; And lamp bracket 20 is provided with a plurality of screwed holes 23, can be used for connecting lamp bar 10.
In one embodiment, can be connected with screwed hole 21 on the lamp bracket 20 by the connecting hole 143 that screw 40 passes on the Connection Block 14, Connection Block 14 is fixedlyed connected with lamp bracket 20, thereby connect lamp bar 10 and lamp bracket 20.When needs are dismantled lamp bar 10 from lamp bracket 20, can lamp bar 10 be dismantled from lamp bracket 20 by screw 40 is separated with screwed hole 23.
In above-described embodiment, also can between lamp bar 10 and lamp bracket 20, buckle structure be set, with lamp bar 10 and lamp bracket 20 clampings.For example, can button be set at Connection Block 14, at lamp bracket 20 draw-in groove adaptive with this button be set, during assembling button is connected with draw-in groove, thereby lamp bar 10 is connected with lamp bracket 20, during dismounting, button be separated from catching groove, make lamp bar 10 from lamp bracket 20 dismountings.Buckle structure is used comparatively extensive, and it is simple in structure, is easy to dismounting, among the present invention, can arrange one and also can arrange a plurality of according to the parameter settings such as weight of lamp bar 10.
Should be noted that in above-described embodiment that the gear 142 in the angle regulator 11 also can be arranged on the end cap 13, gear ring 131 then is arranged on the Connection Block 14.For example, as shown in Figure 7, Connection Block 14 is the setting of " L " type, and its side is provided with gear ring 144, and is adaptive with the gear 134 on the end cap 13, and bottom surface and lateral vertical are provided with connecting hole 143, is used for fixedlying connected with lamp bracket 20.
Also can the steel ball positioner be set at end cap 13 and Connection Block 14 regulates the angle of lamp bar 10.For example, in one embodiment, Connection Block 14 is set can rotate relative to end cap 13, at end cap 13 a plurality of compression little springs are set, and at the front end of this compression little spring steel ball are set, at Connection Block 14 pod corresponding with steel ball is set, when turning to steel ball and propping up the pod correspondence position, the compression little spring stretches, and steel ball partly stretches into a pod, thereby with lamp bar 10 location.
Also can ratchet be set at end cap 13 and Connection Block 14, lamp bar 10 be carried out calibration regulate.The structure of ratchet is conventionally known to one of skill in the art, does not repeat them here.
As shown in Figure 8, above-mentioned lamp bar 10 can be divided into two groups, is symmetry axis with the axis of lamp bracket 20, setting at an angle to each other.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a LED street lamp is characterized in that, comprises at least one lamp bar and the lamp bracket that removably connects with described lamp bar, and described lamp bracket is frame structure, is open setting, and multiaspect is ventilated; Wherein, described lamp bar is provided with:
Lamp plate is used for fixed L ED lamp;
Cooling stand is positioned at described lamp plate top, and length and described lamp plate are adaptive; The cross section of described cooling stand is " H " shape and arranges, and its both side surface is provided with longitudinal fluting; Described lamp plate is plugged in described cooling stand lower end, and secondary optics reflector plate and one goes out light shield and be plugged in successively below the lamp plate, is used for luminous intensity distribution and sealing cooling stand lower end;
Angle regulator is positioned at the two ends of described cooling stand, and links to each other with lamp bracket, is used for regulating the irradiating angle of LED lamp; Described angle regulator comprises: end cap is positioned at the two ends of cooling stand;
Connection Block, a side and lamp bracket removably connect, and opposite side links to each other with end cap;
Be provided with dentalation between described end cap and the Connection Block, be used for regulating the irradiating angle of LED lamp; Be provided with spring between described Connection Block and the described end cap;
Described lamp bar also comprises seal, between the two ends of described Connection Block and cooling stand lower end, goes out light shield, cooling stand and Connection Block and forms an anti-hydrospace with described;
Described LED street lamp also comprises power supply; Described lamp bracket upper end is provided with a cavity body structure shell that is used for fixed power source, this cavity body structure shell bottom side at a distance of lamp bar 30 to 100mm.
2. LED street lamp according to claim 1 is characterized in that, comprises at least two lamp bars, and described lamp bar be arranged in parallel between any two, and apart 0 to 20mm.
3. LED street lamp according to claim 2 is characterized in that, described lamp bar is divided into two groups, and the relative lamp bracket axis of two lamp bar assemblies is symmetrical arranged, and has 5 to 50mm spacings between the two lamp bar groups.
4. LED street lamp according to claim 3 is characterized in that, the setting at an angle to each other of described lamp bar assembly.
5. LED street lamp according to claim 1 is characterized in that, described cavity body structure shell both sides are provided with guide groove, is used for being connected with the street lamp fixing and mounting bracket.
6. LED street lamp according to claim 1 is characterized in that, in the described cavity body structure lamp post installation apparatus is arranged, and is used for linking to each other with lamp stand.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101103343A CN102011972B (en) | 2009-10-26 | 2009-10-26 | LED (Light-Emitting Diode) street lamp |
| PCT/CN2010/075784 WO2011050642A1 (en) | 2009-10-26 | 2010-08-06 | Led street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101103343A CN102011972B (en) | 2009-10-26 | 2009-10-26 | LED (Light-Emitting Diode) street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011972A CN102011972A (en) | 2011-04-13 |
| CN102011972B true CN102011972B (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101103343A Active CN102011972B (en) | 2009-10-26 | 2009-10-26 | LED (Light-Emitting Diode) street lamp |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102011972B (en) |
| WO (1) | WO2011050642A1 (en) |
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|---|---|---|---|---|
| CN102207266A (en) * | 2011-04-19 | 2011-10-05 | 宿州市博远新能源电子科技有限公司 | LED (light emitting diode) light fixture with efficient light distribution |
| CN102287771A (en) * | 2011-07-25 | 2011-12-21 | 苏州晶雷光电照明科技有限公司 | Light-emitting diode (LED) lamp board |
| CN104617211A (en) * | 2015-01-08 | 2015-05-13 | 苏州热驰光电科技有限公司 | LED (light-emitting diode) bracket and production method thereof |
| WO2017008297A1 (en) * | 2015-07-16 | 2017-01-19 | 苏文藏 | Led street lamp enabling convenient adjustment of lighting angle and lighting brightness |
| CN106090770B (en) * | 2016-08-15 | 2018-09-21 | 厦门乾照照明有限公司 | A kind of LED High-Pole Lamps |
| CN106122808B (en) * | 2016-08-29 | 2023-12-01 | 中山市横栏镇力天照明灯饰厂 | LED industrial lamp |
| CN107420758A (en) * | 2017-08-16 | 2017-12-01 | 广东聚科照明股份有限公司 | A kind of high-efficiency heat radiating LED exhibition lamp |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2011050642A1 (en) | 2011-05-05 |
| CN102011972A (en) | 2011-04-13 |
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