CN108980692B - LED street lamp - Google Patents
LED street lamp Download PDFInfo
- Publication number
- CN108980692B CN108980692B CN201810759372.0A CN201810759372A CN108980692B CN 108980692 B CN108980692 B CN 108980692B CN 201810759372 A CN201810759372 A CN 201810759372A CN 108980692 B CN108980692 B CN 108980692B
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- CN
- China
- Prior art keywords
- mounting
- plate
- heat dissipation
- rod
- led
- 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.)
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Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 56
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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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
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- 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
-
- 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
-
- 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]
Abstract
The invention discloses an LED street lamp, which comprises a plug rod seat, an electric appliance box, a mounting rod, a front end plate with a streamline front side surface and at least one open type LED module; the open type LED module comprises a heat dissipation base and an LED lamp, wherein the heat dissipation base comprises a mounting plate and a plurality of heat dissipation plates vertically connected to the upper end face of the mounting plate, a plurality of ventilation and drainage channels formed by two adjacent heat dissipation plates and the mounting plate are formed, and the LED lamp is arranged on the lower end face of the mounting plate; the inserting rod seat and the mounting rod are respectively arranged at the front side and the rear side of the electric box, the front end plate is connected to the end part of the mounting rod, the LED module is arranged between the electric box and the front end and fixed on the mounting rod, and gaps are respectively reserved between the LED module and the electric box and between the LED module and the front end plate. According to the invention, the LED module is exposed through the heat dissipation base, the rainwater is self-cleaning through the ventilation and drainage channel, the cover shell for wrapping the LED module is not required to be installed and dustproof, and the heat dissipation effect is greatly improved by combining the streamline front end plate and the gap structure.
Description
Technical field:
the invention relates to a street lamp, in particular to an LED street lamp.
The background technology is as follows:
the LED module in the LED street lamp is generally arranged in the corresponding box body for preventing dust, and the LED module generates heat when working, so that the heat dissipation efficiency of the LED street lamp is improved, and the working stability and the service life of the LED module are improved, which is a technical problem that is difficult to solve.
The invention comprises the following steps:
the invention aims to overcome the defects in the prior art and provide the LED street lamp with good heat dissipation performance, and the aims are solved by the following technical scheme.
The LED street lamp comprises a inserted link seat, an electric appliance box, a mounting rod, a front end plate with a streamline front side surface and at least one open type LED module; the open type LED module comprises a heat dissipation base and an LED lamp, wherein the heat dissipation base comprises a mounting plate and a plurality of heat dissipation plates vertically connected to the upper end face of the mounting plate, a plurality of ventilation and drainage channels formed by two adjacent heat dissipation plates and the mounting plate are formed, and the LED lamp is arranged on the lower end face of the mounting plate; the inserting rod seat and the mounting rod are respectively arranged at the front side and the rear side of the electric box, the front end plate is connected to the end part of the mounting rod, the LED module is arranged between the electric box and the front end and fixed on the mounting rod, and gaps are respectively reserved between the LED module and the electric box and between the LED module and the front end plate. According to the invention, the LED module is exposed through the heat dissipation base, the rainwater is self-cleaning through the ventilation and drainage channel, the cover shell for wrapping the LED module is not required to be installed and dustproof, and the heat dissipation effect is greatly improved by combining the streamline front end plate and the gap structure.
Further, the mounting plates on the heat dissipation base are slightly inclined downwards corresponding to the two ends of the ventilation and drainage channel. Is convenient for the outflow of the deposited dust in the rain water channel in the rainy days.
Further, the heat dissipation plates on the heat dissipation base are plates with symmetrical geometric shapes, a plurality of heat dissipation plates are arranged at equal intervals along the direction of the symmetrical central line, grooves symmetrical relative to the central line of the heat dissipation plates are arranged at the central position of each heat dissipation plate, the grooves are matched with the mounting rods, grooves on the heat dissipation plates form grooves, and the heat dissipation base is inserted on the mounting rods through the grooves. The mounting rod is in plug connection with the groove on the heat dissipation plate, so that the connection structure is compact, and the heat on the heat dissipation plate is conveniently conducted out.
Further, the electric box is of a symmetrical structure relative to the symmetrical central line of the radiating plate, and the central positions of the front side and the rear side of the inner cavity are respectively provided with a mounting frame matched with the mounting rod and a clamping seat matched with the inserted rod seat; the corresponding end part of the mounting rod extends into the electric box from the front end of the electric box and is inserted into the mounting frame, and is fixed on the mounting frame through a threaded connecting piece; one end of the inserted link seat extends into and is inserted into the clamping seat from the rear end of the electric box and is fixed on the clamping seat through the threaded connecting piece.
Furthermore, in order to facilitate the connection with the front end plate, at least two connecting screw holes are arranged on the rear side surface of the front end plate.
Further, the mounting rod comprises a groove-shaped section, a cover plate embedded at the open end of the section and at least two pull rods, wherein external threads are respectively arranged at two ends of each pull rod, and at least one pull rod hole which is arranged along the length direction of the section is respectively arranged on two parallel inner side walls of the section; the position of the pull rod hole is matched with the position of the connecting screw hole, one end of the pull rod is screwed into the corresponding connecting screw hole on the front end plate through external threads, and the other end of the pull rod penetrates through the corresponding pull rod hole and is screwed with a nut through the external threads of the end, so that the mounting rod is fixed in the mounting frame. The profile design of the mounting rod can greatly reduce the machining amount of the corresponding collar part of the mounting rod assembly, has attractive appearance and is convenient for mounting and connecting the mounting rod
Furthermore, the bottom surface of the groove-shaped section bar of the mounting rod is provided with mounting holes which are arranged at equal intervals, more than two LED modules (3) are mounted on the mounting rod (4) at equal intervals through the mounting holes, and gaps are reserved between the adjacent LED modules (3). The mounting holes on the groove-shaped section bar of the mounting rod facilitate the equidistant and gapped mounting arrangement of the LED modules (3).
Further, the light emitting surface of the LED module is a quadrangle formed by two parallel arched sides and two parallel straight sides, the arched sides are symmetrical arched sides relative to the symmetrical central line of the radiating plate, and the straight sides are parallel to the symmetrical central line of the radiating plate. And the back side of the front end plate (5) and the front side of the electric box (2) are respectively provided with a curved surface which is matched with the arched edge. The shape of the light-emitting surface of the LED module is changed to be a stiff rectangular surface all the time, so that the light-emitting surface has more flexibility and drift sense and has better decoration function.
Further, the gap is 3-10 mm. The gap also ensures the compactness of the structure under the condition of ensuring heat dissipation and ventilation.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a bottom view of the LED street lamp of the present invention shown in fig. 1.
Fig. 3 is a schematic structural diagram of an LED module.
Fig. 4 is a schematic view illustrating a bottom view of the LED module shown in fig. 3.
Fig. 5 is a schematic diagram of a partial structure of the LED module shown in fig. 3.
Fig. 6 is a schematic view of the electrical box after opening.
Fig. 7 is a schematic illustration of the connection of the front end plate to the mounting bar.
In the above figures: 1. the LED lamp comprises a plug rod seat, a 2 electric appliance box, a 21 mounting frame, a 22 clamping seat, a 3 LED module, a 30 luminous surface, a 301 arc-shaped edge of the luminous surface, a 302 straight line edge of the luminous surface, a 31 heat dissipation base, a 311 mounting plate, a 312 heat dissipation plate, 3122 heat dissipation plate center lines, 4 mounting rods, 5 front end plates, 51 front side surfaces, 52 rear side surfaces and 6 gaps.
The specific embodiment is as follows: a kind of electronic device
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the LED street lamp of the present invention includes a socket 1, an electrical box 2, an LED module 3, a mounting rod 4 and a front end plate 5. The inserted link seat 1 is used for inserting a lamp rod, is arranged at the rear side of an electric appliance box, the installation rod 4 is arranged at the front side of the electric appliance box 2, the front end plate is connected at the front end part of the installation rod, the front side surface of the front end plate 5 is streamline, the LED module 3 is arranged between the electric appliance box 2 and the front end plate 5 and is fixed on the installation rod 4, and gaps 6 are respectively reserved between the LED module and the electric appliance box 2 and the front end plate 5. The LED module 3 mainly comprises a heat dissipation base 31 and an LED lamp 32, wherein the heat dissipation base 31 comprises a mounting plate 311 and a plurality of heat dissipation plates 312 vertically connected to the upper end face of the mounting plate, and the LED lamp 32 is arranged on the lower end face of the mounting plate 311.
The invention can directly mount the LED module through the heat dissipation base 31, without mounting through the housing, and without wrapping the housing for dust prevention, so that the LED module is directly exposed to the outside, and can dissipate heat with higher efficiency, and the heat dissipation plate 312 in the heat dissipation base 31 forms a plurality of channels 313 with the mounting plate 311, besides the heat dissipation effect, the channels are used for ventilation and heat dissipation, and the self-cleaning effect on dust is realized. When ash channel dust is deposited on the channel 313 of the exposed heat dissipation base, the channel can be cleaned in a rainy day, rainwater can flow downwards along two sides of the channel to bring the dust in the channel, and the channel can be well flushed by heavy rain or rainy days, so that the dust in the channel can be cleaned better.
Meanwhile, the LED module 3 is better protected through the arrangement of the front end plate 5, and the heat dissipation efficiency of the LED lamp is further improved through the design of the front side surface 51 of the front end plate 5. When the LED lamp receives front incoming wind, the front incoming wind smoothly flows backwards along the streamline curved surface through the streamline front side surface 51, so that the wind pressure to the front end plate 5 is greatly reduced, the wind speed is increased, and the fast flowing wind flows through the rear side LED module to quickly take out heat, so that the heat dissipation effect is improved.
As shown in fig. 3 to 5, the mounting plate 311 in the heat dissipation base 31 is preferably designed to be slightly inclined downward at both ends corresponding to the ventilation and drainage channels (see fig. 5) so as to facilitate outflow of rainwater with dust. In order to make the LED street lamp have a better shape, the heat dissipation plates 312 of the present embodiment are plates having a symmetrical geometric structure, a plurality of heat dissipation plates 312 are arranged at equal intervals along the direction of the symmetry center line, and slots 3121 symmetrical with respect to the center line 3122 of the heat dissipation plate are provided at the positions corresponding to the center line of each heat dissipation plate, the slots are adapted to the mounting bars 4, the slots on the plurality of heat dissipation plates form a channel, and the mounting bars 4 are disposed in the channel and connected with the heat dissipation base 31.
As shown in fig. 6, the electrical box 2 has a symmetrical structure with respect to the symmetrical center line of the heat dissipation plate, the center positions of the front side and the rear side of the inner cavity of the electrical box 2 are respectively provided with a mounting frame 21 and a clamping seat 22, the mounting frame 21 is matched with the rear end connecting part of the mounting rod 4, the corresponding clamping connecting part of the clamping seat 22 is matched with the inserted rod seat 1, and the electrical device 24 is arranged in the electrical box 2. The rear end portion of the mounting rod 4 extends from the front end of the electrical box 2 into the electrical box 2 and is inserted into the mounting frame 21 and fixedly connected thereto. One end of the inserted link seat 1 extends into the electric box 2 from the rear end of the electric box 2 and is inserted into the clamping seat 22, and is fixedly connected to the rear side of the electric box by being fixed to the clamping seat 22.
As shown in fig. 7 in combination with fig. 6, the mounting bar 4 comprises a channel-shaped profile 41, a cover plate 42 fitted over the open end of the profile, and at least two tie rods 43. External threads are respectively arranged at two ends of the pull rod 43, and two pull rod holes 412 which are arranged along the length direction of the profile are respectively arranged on two symmetrical inner side walls of the profile 41; one end of each pull rod 43 is connected with the front end plate 5 through external threads, a connecting screw hole for connecting with the pull rod 43 is formed in the rear side surface of the front end plate 5, the external threads at the front end of the pull rod are screwed into the corresponding connecting screw holes of the front end plate 5, the rear end of the pull rod passes through the pull rod hole in the profile 41 and passes through the corresponding hole in the mounting frame to be screwed with the nut 431, the rear end of the pull rod 43 is fixed in the mounting frame, and the mounting rod 4 is fixed on the front side of the electrical box 2. The bottom surface of the profile 41 is provided with a plurality of groups of mounting holes 411 which are arranged at equal intervals, each group is provided with four mounting holes 411, a plurality of LED modules 3 are mounted on the mounting rod 4 at equal intervals through the mounting holes 411, and gaps exist between the adjacent LED modules 3.
In order to change the regular geometric shape of the light emitting surface of the LED module, such as rectangular and circular relatively rigid shapes, the light emitting surface 30 of the LED module 3 of the present embodiment is a quadrangle formed by two parallel arcuate sides 301 and two parallel straight sides 302, and the arcuate sides are arcuate sides symmetrical with respect to the symmetry center line of the heat dissipation plate, and the two straight sides are parallel to the symmetry center line of the heat dissipation plate and symmetrically arranged with respect to the symmetry center line. The shape of the luminous surface is more flexible and elegant.
The rear side 52 of the front end plate 5 and the front side 21 of the electrical box 2 corresponding to the front end and the rear end bow sides of the LED module are curved surfaces matched with the bow sides, so that an arc-shaped gap 6 which is equidistant between the LED module and the front end plate 5 and the electrical box 2 respectively is formed. The LED street lamp of the embodiment is provided with a plurality of parallel LED modules 3, an equidistant arc-shaped gap 6 is also reserved between two adjacent LED modules, and the LED modules in operation can be better radiated through the gap 6. The gaps 6 in the embodiment are controlled to be 3-10 mm, so that good heat dissipation and ventilation performance is guaranteed, and the LED street lamp is compact in structure.
Claims (8)
1. An LED street lamp comprises a plug rod seat (1), an electric appliance box (2), a mounting rod (4), a front end plate (5) with a streamline front side surface and at least one LED module (3); the LED module (3) is open and comprises a heat dissipation base (31) and LED lamps (32), the heat dissipation base (31) comprises a mounting plate (311) and a plurality of heat dissipation plates (312), the heat dissipation plates (312) on the heat dissipation base (31) are of symmetrical structures, the plurality of heat dissipation plates (312) are arranged at equal intervals along the direction of a symmetrical central line, and the LED lamps (32) are arranged on the lower end face of the mounting plate; the plug-in rod seat (1) and the mounting rod (4) are respectively arranged at the front side and the rear side of the electric box (2), the front end plate (5) is connected to the end part of the mounting rod (4), the LED module (3) is arranged between the electric box (2) and the front end plate (5) and fixed on the mounting rod (4), and gaps are respectively reserved between the LED module and the electric box (2) and the front end plate (5); the method is characterized in that: the luminous surface of the LED module (3) is a quadrangle formed by two parallel arched edges and two parallel straight edges, the arched edges are symmetrical arched edges relative to the symmetrical central line of the radiating plate, the straight edges are parallel to the symmetrical central line of the radiating plate, the radiating plate (312) is vertically connected to the upper end surface of the mounting plate (311) in an arch shape matched with the arched edges, a plurality of arch-shaped ventilation drainage channels formed by two adjacent radiating plates and the mounting plate are formed, and the mounting plate (311) on the radiating base (31) is slightly inclined downwards corresponding to the two ends of the ventilation drainage channels.
2. The LED street lamp of claim 1, wherein: and grooves (3121) symmetrical to the central line of the radiating plates are formed in the central position of each radiating plate and are matched with the mounting rods (4), grooves on the radiating plates form channels, and the radiating bases (31) are inserted into the mounting rods (4) through the channels.
3. An LED street lamp as claimed in claim 2, wherein: the electric appliance box (2) is of a symmetrical structure relative to the symmetrical central line of the radiating plate, and the central positions of the front side and the rear side of the inner cavity are respectively provided with a mounting frame matched with the mounting rod (4) and a clamping seat matched with the inserted rod seat (1); the corresponding end part of the mounting rod (4) extends into the electric box (2) from the front end of the electric box (2) and is inserted into the mounting frame, and is fixed on the mounting frame through a threaded connecting piece; one end of the inserted link seat (1) extends into and is inserted into the clamping seat from the rear end of the electric box (2), and is fixed on the clamping seat through a threaded connecting piece.
4. A LED street lamp according to claim 3, characterised in that: the rear side surface of the front end plate (5) is provided with at least two connecting screw holes.
5. The LED street lamp of claim 4, wherein: the mounting rod (4) comprises a groove-shaped section, a cover plate embedded at the open end of the section and at least two pull rods, wherein external threads are respectively arranged at two ends of each pull rod, and at least one pull rod hole which is arranged along the length direction of the section is respectively arranged on two parallel inner side walls of the section; the position of the pull rod hole is matched with the position of the connecting screw hole, one end of the pull rod is screwed into the corresponding connecting screw hole on the front end plate through external threads, and the other end of the pull rod penetrates through the corresponding pull rod hole to be screwed with a nut through the external threads of the end, so that the mounting rod is fixed in the mounting frame.
6. The LED street lamp of claim 5, wherein: the bottom surface of the groove-shaped section bar of the mounting rod (4) is provided with mounting holes which are arranged at equal intervals, more than two LED modules (3) are mounted on the mounting rod (4) at equal intervals through the mounting holes, and gaps are reserved between the adjacent LED modules (3).
7. The LED street lamp of claim 1, wherein: curved surfaces matched with the arched edges are respectively arranged on the rear side of the front end plate (5) and the front side of the electric box (2).
8. The LED street lamp of claim 1, wherein: the gap is 3-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810759372.0A CN108980692B (en) | 2018-07-11 | 2018-07-11 | LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810759372.0A CN108980692B (en) | 2018-07-11 | 2018-07-11 | LED street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108980692A CN108980692A (en) | 2018-12-11 |
| CN108980692B true CN108980692B (en) | 2024-03-01 |
Family
ID=64537026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810759372.0A Active CN108980692B (en) | 2018-07-11 | 2018-07-11 | LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980692B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201539788U (en) * | 2009-11-13 | 2010-08-04 | 日照华冠光电科技有限公司 | LED road lamp |
| WO2011075913A1 (en) * | 2009-12-25 | 2011-06-30 | 深圳市邦贝尔电子有限公司 | Led street lamp radiator and ventilating self-cleaning modularized led street lamp |
| CN103807666A (en) * | 2012-11-09 | 2014-05-21 | 苏州盟泰励宝光电有限公司 | LED (Light Emitting Diode) modular streetlamp |
| CN203927582U (en) * | 2014-05-27 | 2014-11-05 | 广州市莱帝亚照明科技有限公司 | A kind of LED road-light light-source module |
| CN204512984U (en) * | 2014-12-30 | 2015-07-29 | 南京鹏万达照明有限公司 | A kind of module of oval LED |
| CN208397838U (en) * | 2018-07-11 | 2019-01-18 | 南京鹏万达照明有限公司 | A kind of LED street lamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8092049B2 (en) * | 2008-04-04 | 2012-01-10 | Ruud Lighting, Inc. | LED light fixture |
| CN101749603B (en) * | 2010-01-14 | 2011-07-27 | 沈锦祥 | Light emitting diode (LED) street lamp cap |
-
2018
- 2018-07-11 CN CN201810759372.0A patent/CN108980692B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201539788U (en) * | 2009-11-13 | 2010-08-04 | 日照华冠光电科技有限公司 | LED road lamp |
| WO2011075913A1 (en) * | 2009-12-25 | 2011-06-30 | 深圳市邦贝尔电子有限公司 | Led street lamp radiator and ventilating self-cleaning modularized led street lamp |
| CN103807666A (en) * | 2012-11-09 | 2014-05-21 | 苏州盟泰励宝光电有限公司 | LED (Light Emitting Diode) modular streetlamp |
| CN203927582U (en) * | 2014-05-27 | 2014-11-05 | 广州市莱帝亚照明科技有限公司 | A kind of LED road-light light-source module |
| CN204512984U (en) * | 2014-12-30 | 2015-07-29 | 南京鹏万达照明有限公司 | A kind of module of oval LED |
| CN208397838U (en) * | 2018-07-11 | 2019-01-18 | 南京鹏万达照明有限公司 | A kind of LED street lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108980692A (en) | 2018-12-11 |
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