CN105135304A - LED street lamp with clamping mechanism - Google Patents
LED street lamp with clamping mechanism Download PDFInfo
- Publication number
- CN105135304A CN105135304A CN201510596426.2A CN201510596426A CN105135304A CN 105135304 A CN105135304 A CN 105135304A CN 201510596426 A CN201510596426 A CN 201510596426A CN 105135304 A CN105135304 A CN 105135304A
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- Prior art keywords
- clamping mechanism
- upper shell
- street lamp
- holder
- led street
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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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
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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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- 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 discloses an LED street lamp with a clamping mechanism. The LED street lamp comprises a lamp post, wherein the lamp post is provided with a lamp post front end. The LED street lamp further comprises an LED light-emitting module, a heat dissipation mechanism, a fixing plate, an upper housing and a lower housing, wherein the fixing plate comprises a fixing frame and the clamping mechanism. The upper housing and the lower housing are buckled on the fixing frame, and an installing cavity is formed between the upper housing and the lower housing. The clamping mechanism is fixedly connected with the lamp post front end. The LED light-emitting module is arranged in the installing cavity. The lower housing is provided with an optical cover plate at the position of a light outlet of the LED light-emitting module. The heat dissipation mechanism comprises a heat conducting plate, cooling fins and a sun-shading plate. The heat conducting plate is in tight connection with the back side of the LED light-emitting module and is arranged in the installing cavity. The cooling fins are fixedly connected with the heat conducting plate. Multiple hole channels matched with the cooling fins are formed in the top of the upper housing. The cooling fins penetrate through the hole channels to extend to the outside of the upper housing. The sun-shading plate is arranged at the top of the cooling fins. Air guide plates are arranged at two ends of the sun-shading plate. The LED street lamp with the clamping mechanism has good heat dissipation effect.
Description
Technical field
The present invention relates to field of semiconductor illumination, particularly relate to a kind of LED street lamp with clamping mechanism.
Background technology
LED has the feature of life-span length, electric power saving, is applied to lighting field more and more widely.
Chinese invention patent document CN101101103A discloses a kind of LED street lamp on January 9th, 2008, and comprise lamp body and LED bulb, lamp body comprises head section, stage casing, rear, and head section is docked with stage casing and arranged, and the other end in stage casing docks with rear and arranges; Be provided with sealing gasket between head section and stage casing, head section is connected with stage casing by securing member; Be provided with sealing gasket between rear and stage casing, rear is connected with stage casing by securing member; Stage casing is a kind of section bar, and along profile length direction, diverse location has identical cross section.Chinese invention patent document CN101101102A also discloses a kind of LED street lamp on January 9th, 2008, comprise lamp body and LED bulb, lamp body comprises head section, stage casing, rear, head section is docked with stage casing and is arranged, the other end in stage casing docks with rear and arranges, be provided with sealing gasket between head section and stage casing, head section is connected with stage casing by securing member; Be provided with sealing gasket between rear and stage casing, rear is connected with stage casing by securing member; Stage casing is a segment type material, and along profile length direction, diverse location has identical cross section, and section bar has substrate, and substrate is that the flat board of " eight " set up of character patt ern and the connecting plate of connection two flat boards are formed by two pieces.Chinese invention patent document CN101101107A also discloses a kind of LED street lamp on January 9th, 2008, comprise lamp body and LED bulb, lamp body has obverse and reverse, the front of lamp body has a cavity defined by side plate and bottom surface, the reverse side of lamp body is provided with radiating fin, and one end of lamp body reverse side is also provided with light pole bindiny mechanism; Have a plane at the bottom of cavity, be also provided with a dividing plate in cavity, dividing plate is near the one end at light pole bindiny mechanism place, and cavity is defined as two parts by dividing plate, near light pole bindiny mechanism secondary cavity at one end and be positioned at the main cavity of dividing plate opposite side; The gap making main cavity and secondary cavity intercommunication is provided with between dividing plate two end and cavity wall.Above-mentioned three kinds of LED street lamp represent the main flow of LED illumination technology on the market, comprise tunnel lamp and street lamp, applying in process, the weak point of mainstream technology is also clearly: prior art is provided with separately lampshade and secondary optics processing unit on the one hand, as secondary optical lens or reflector, complex structure and the impact of light fixture are directly dispelled the heat; In prior art, radiating fin is arranged on lampshade inside on the other hand, then on lampshade, offers multiple passage, and design air circulation like this is not smooth, causes heat to gather in lampshade, reduces the LED luminous component life-span, increase cost.
Summary of the invention
Problem to be solved by this invention is, for above-mentioned shortcoming of the prior art, provides a kind of LED street lamp of band clamping mechanism of good heat dissipation effect.
For solving the problem, the scheme that the present invention adopts is as follows:
With a LED street lamp for clamping mechanism, comprise lamp stand, described lamp stand has a lamp stand front end, it is characterized in that, also comprises LED illuminating module, cooling mechanism, fixed head, upper shell and lower house, and described fixed head comprises fixed frame and clamping mechanism; Described upper shell and lower house are fastened on described fixed frame, and between upper shell and lower house, form installation cavity; Described upper shell is fixedly connected with lamp stand front end by the clamping mechanism on fixed head with lower house; Described LED illuminating module is arranged in described installation cavity; Described lower house is positioned at LED illuminating module light-emitting window and goes out to be provided with optics cover plate; Described cooling mechanism comprises heat-conducting plate, fin, sunshading board composition; Described heat-conducting plate and LED illuminating module back side compact siro spinning technology, be arranged in described installation cavity; Described fin is fixedly connected with heat-conducting plate; Described upper shell top is provided with multiple duct of mating with fin; Described fin extends upwardly to beyond upper shell through the duct of upper shell; Described sunshading board is arranged on fin top; Described sunshading board two ends are provided with wind deflector.Described clamping mechanism comprises holder, two pressure covers, four screw assemblies and two baffle plates; Described holder is fixedly connected with fixed frame; Described holder is provided with an installing port; The top of described holder and bottom are respectively provided with two screws, and this screw is connected with described installing port; Described two pressure covers are separately positioned on the upper side and lower side of installing port inside; Described pressure cover is semicircle strip briquetting; The circular arc top of described pressure cover is provided with two through holes, and corresponds to described screw; The longitudinal direction of described pressure cover is provided with baffle plate jack, and is crisscross arranged with two through holes; Described screw assembly comprises head, threaded portion and afterbody; Described threaded portion is threaded with the screw on holder; Described afterbody is positioned at the through hole of described pressure cover, and described afterbody has an annular groove; Described baffle plate is U-shaped baffle plate; Described baffle plate is arranged in pressure cover overhead gage jack, and the Partial Block of baffle plate is positioned at described annular groove; By locking of four screw assemblies, described lamp stand front end is interposed in the installing port of described holder by two pressure covers, and by set screw assembly, the fixed frame being connected to holder can arrange the different elevation angle.
China is the country that a wind-resources enriches, so the present invention adopts natural wind to lower the temperature to fin, fin is stretched out upper shell from the duct of upper shell, receives the cooling of natural wind.Due to the good conductor that fin is heat, directly exposing is to cause heatsink temperature sharply to rise under the sun, therefore arranges a sunshading board at fin top, in order to keep the sun off, prevents fin from heating up because irradiating sunlight.And wind deflector is set at the two ends of sunshading board, natural wind is guided the fin entered between sunshading board and upper shell, increase the air quantity flowing to fin, accelerate fin heat radiation.Suitable adjustment can be carried out to the installation direction angle of street lamp by clamping mechanism, and no longer only rely on lamp stand or the designed angle of installing of arm, after installing lamp stand or arm, still can regulate the elevation angle of street lamp, meet the demand of real road to illumination.
Further, according to the LED street lamp of band clamping mechanism of the present invention, the LED street lamp of described band clamping mechanism also comprises silica gel sealing ring; Described silica gel sealing ring is between LED illuminating module and lower house; The inner seat corresponding to silica gel sealing ring of described lower house is provided with a circle press strip.
Silica gel sealing ring is set up between LED illuminating module and lower house, enter in order to prevent dust, make to keep high level of cleanliness between illuminating module and optics cover plate, it also avoid the injury of dust to LED illuminating module simultaneously, postpone the service life of the LED street lamp of band clamping mechanism.
Further, according to the LED street lamp of band clamping mechanism of the present invention, described fin becomes array arrangement, and is provided with air flow clearance.
Fin adopts multiple-piece array arrangement, and increase area of dissipation, being provided with of air flow clearance helps air circulation, reduces the resistance of wind, accelerates heat radiation, improves radiating efficiency.
Further, according to the LED street lamp of band clamping mechanism of the present invention, the LED street lamp of described band clamping mechanism is fixedly connected with lamp stand front end by the clamping mechanism on fixed head; There is an angle a in described fixed head and horizontal direction, described angle a is more than or equal to 5 degree and is less than or equal to 30 degree.
There is certain angle by being arranged by fixed head with horizontal direction, even calm when, hot-air also can be utilized to move up, and principle that cold air moves down produces air flowing, increases the radiating rate of fin.And the LED street lamp of band clamping mechanism is arranged to the elevation angle of certain angle, be then more be conducive to hot-air to rise, accelerate air flowing, accelerate fin heat radiation.
Further, according to the LED street lamp of band clamping mechanism of the present invention, described wind deflector is an arc, and is bent upwards 30 to 45 degree, and described sunshading board is that heat-barrier material is made.
Wind deflector is arranged to arc by Jin Guo our company research staff many experiments, and is bent upwards 30 to 45 when spending, and radiating effect is best.The object arranging sunshading board prevents fin from heating up because sunlight irradiates, so sunshading board can not be the good conductor of heat, therefore the present invention is arranged to heat-barrier material, prevents fin because of sunshading board heat transfer intensification.
Further, according to the LED street lamp of band clamping mechanism of the present invention, the diameter of the threaded portion of described screw assembly is greater than the diameter of described afterbody, and the diameter of described screw is greater than the diameter of described through hole.
Further, according to the LED street lamp of band clamping mechanism of the present invention, the arc-shaped inner surface of described pressure cover is provided with multiple bulge-structure, with effective sandwiched described lamp stand front end.
Further, according to the LED street lamp of band clamping mechanism of the present invention, described pressure cover is that metal squeezes type structure; Described holder and fixed frame are formed in one structure.
Further, according to the LED street lamp of band clamping mechanism of the present invention, there is between the threaded portion of described screw assembly and afterbody a cross section; Described cross section is resisted against the outer surface at the circular arc top of described pressure cover.
Further, according to the LED street lamp of band clamping mechanism of the present invention, the annular groove of described screw assembly has a sidewall; Described sidewall is upwards resisted against the portion lower surface of described baffle plate.
Technique effect of the present invention is as follows: China is the country that a wind-resources enriches, so the present invention adopts natural wind to lower the temperature to fin, fin is stretched out upper shell from the duct of upper shell, receives the cooling of natural wind.Due to the good conductor that fin is heat, directly exposing is to cause heatsink temperature sharply to rise under the sun, therefore arranges a sunshading board at fin top, in order to keep the sun off, prevents fin from heating up because irradiating sunlight.And wind deflector is set at the two ends of sunshading board, natural wind is guided the fin entered between sunshading board and upper shell, increase the air quantity flowing to fin, accelerate fin heat radiation.Suitable adjustment can be carried out to the installation direction angle of street lamp by clamping mechanism, and no longer only rely on lamp stand or the designed angle of installing of arm, after installing lamp stand or arm, still can regulate the elevation angle of street lamp, meet the demand of real road to illumination.
Accompanying drawing explanation
Fig. 1 is the LED street lamp schematic diagram of band clamping mechanism.
Fig. 2 is the LED street lamp decomposition texture schematic diagram of band clamping mechanism.
Fig. 3 is fin and upper shell counter structure schematic diagram.
Fig. 4 is the LED street lamp cut-away section structural representation of band clamping mechanism.
Fig. 5 is radiation fin array arrangement schematic diagram.
Fig. 6 is that the LED street lamp of band clamping mechanism is horizontal by angle a schematic diagram.
Fig. 7 is clamping mechanism cross section decomposition texture schematic diagram.
Fig. 8 is clamping mechanism cross section structure schematic diagram.
Fig. 9 is clamping mechanism stereo decomposing structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further details.
Embodiment 1: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle.
Embodiment 2: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle.The LED street lamp of described band clamping mechanism also comprises silica gel sealing ring 7; Described silica gel sealing ring 7 is between LED illuminating module 2 and lower house 6; The inner seat corresponding to silica gel sealing ring 7 of described lower house 6 is provided with a circle press strip 61.
Embodiment 3: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle.Described fin 32 one-tenth array arrangement, and be provided with air flow clearance 321.
Embodiment 4: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle.The LED street lamp of described band clamping mechanism is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4; There is an angle a with horizontal direction in described fixed head 4, described angle a is more than or equal to 5 degree and is less than or equal to 30 degree.
Embodiment 5: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle.Described wind deflector is an arc, and is bent upwards 30 to 45 degree, and described sunshading board is that heat-barrier material is made.
Embodiment 6: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle, the diameter of the threaded portion 4232 of described screw assembly 423 is greater than the diameter of described afterbody 4233, and the diameter of described screw 4212 is greater than the diameter of described through hole 4221.
Embodiment 7: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle, the arc-shaped inner surface of described pressure cover 422 is provided with multiple bulge-structure 4223, with effective sandwiched described lamp stand front end 11.
Embodiment 8: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle, and described pressure cover 422 squeezes type structure for metal; Described holder 421 and fixed frame 41 are formed in one structure.
Embodiment 9: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle, has a cross section 4234 between the threaded portion 4232 of described screw assembly 423 and afterbody 4233; Described cross section 4234 is resisted against the outer surface at the circular arc top of described pressure cover 422.
Embodiment 10: a kind of LED street lamp with clamping mechanism, comprise lamp stand 1, described lamp stand has a lamp stand front end 11, also comprises LED illuminating module 2, cooling mechanism 3, fixed head 4, upper shell 5 and lower house 6, and described fixed head 4 comprises fixed frame 41 and clamping mechanism 42; Described upper shell 5 and lower house 6 are fastened on described fixed frame 41, and between upper shell 5 and lower house 6, form installation cavity; Described upper shell 5 is fixedly connected with lamp stand front end 11 by the clamping mechanism 42 on fixed head 4 with lower house 6; Described LED illuminating module 2 is arranged in described installation cavity; Described lower house 6 is positioned at LED illuminating module 2 light-emitting window and goes out to be provided with optics cover plate 21; Described cooling mechanism 3 comprises heat-conducting plate 31, fin 32, sunshading board 33 form; Described heat-conducting plate 31 and LED illuminating module 2 back side compact siro spinning technology, be arranged in described installation cavity; Described fin 32 is fixedly connected with heat-conducting plate 31; Described upper shell 5 top is provided with multiple duct 51 of mating with fin 32; Described fin 32 extends upwardly to beyond upper shell 5 through the duct 51 of upper shell 5; Described sunshading board 33 is arranged on fin 32 top, and is connected with upper shell by joint pin; Described sunshading board 33 two ends are provided with wind deflector 331; Described clamping mechanism 42 comprises holder 421, two pressure cover 422, four screw assemblies 423 and two baffle plates 424; Described holder 421 is fixedly connected with fixed frame 41; Described holder 421 is provided with an installing port 4211; The top of described holder 421 and bottom are respectively provided with two screws 4212, and this screw 4212 is connected with described installing port 4211; Described two pressure covers 422 are separately positioned on the upper side and lower side of installing port 4211 inside; Described pressure cover 422 is semicircle strip briquetting; The circular arc top of described pressure cover 422 is provided with two through holes 4221, and corresponds to described screw 4212; The longitudinal direction of described pressure cover 422 is provided with baffle plate jack 4222, and is crisscross arranged with two through holes 4221; Described screw assembly 423 comprises head 4231, threaded portion 4232 and afterbody 4233; Described threaded portion 4232 is threaded with the screw 4212 on holder 421; Described afterbody 4233 is positioned at the through hole 4221 of described pressure cover 422, and described afterbody 4233 has an annular groove 42331; Described baffle plate 424 is U-shaped baffle plate; Described baffle plate 424 is arranged in pressure cover 422 overhead gage jack 4222, and the Partial Block of baffle plate 424 is positioned at described annular groove 42331; By locking of four screw assemblies 423, described lamp stand front end 11 is interposed in the installing port 4211 of described holder 421 by two pressure covers 422, and by set screw assembly 423, the fixed frame 41 being connected to holder 421 can arrange the different elevation angle, and the annular groove 42331 of described screw assembly 423 has a sidewall 42332; Described sidewall 42332 is upwards resisted against the portion lower surface of described baffle plate 424.
Claims (10)
1. the LED street lamp with clamping mechanism, comprise lamp stand (1), described lamp stand has a lamp stand front end (11), it is characterized in that, also comprise LED illuminating module (2), cooling mechanism (3), fixed head (4), upper shell (5) and lower house (6), described fixed head (4) comprises fixed frame (41) and clamping mechanism (42); Described upper shell (5) and lower house (6) are fastened on described fixed frame (41), and between upper shell (5) and lower house (6), form installation cavity; Described upper shell (5) is fixedly connected with lamp stand front end (11) by the clamping mechanism (42) on fixed head (4) with lower house (6); Described LED illuminating module (2) is arranged in described installation cavity; Described lower house (6) is positioned at LED illuminating module (2) light-emitting window and goes out to be provided with optics cover plate (21); Described cooling mechanism (3) comprises heat-conducting plate (31), fin (32), sunshading board (33) composition; Described heat-conducting plate (31) and LED illuminating module (2) back side compact siro spinning technology, be arranged in described installation cavity; Described fin (32) is fixedly connected with heat-conducting plate (31); Described upper shell (5) top is provided with multiple duct (51) of mating with fin (32); Described fin (32) extends upwardly to beyond upper shell (5) through the duct (51) of upper shell (5); Described sunshading board (33) is arranged on fin (32) top, and is connected with upper shell by joint pin; Described sunshading board (33) two ends are provided with wind deflector (331); Described clamping mechanism (42) comprises holder (421), two pressures cover (422), four screw assemblies (423) and two baffle plates (424); Described holder (421) is fixedly connected with fixed frame (41); Described holder (421) is provided with an installing port (4211); The top of described holder (421) and bottom are respectively provided with two screws (4212), and this screw (4212) is connected with described installing port (4211); Described two pressures cover (422) are separately positioned on the inner the upper side and lower side of installing port (4211); Described pressure cover (422) is semicircle strip briquetting; The circular arc top of described pressure cover (422) is provided with two through holes (4221), and corresponds to described screw (4212); The longitudinal direction of described pressure cover (422) is provided with baffle plate jack (4222), and is crisscross arranged with two through holes (4221); Described screw assembly (423) comprises head (4231), threaded portion (4232) and afterbody (4233); Described threaded portion (4232) is threaded with the screw (4212) on holder (421); Described afterbody (4233) is positioned at the through hole (4221) of described pressure cover (422), and described afterbody (4233) has an annular groove (42331); Described baffle plate (424) is U-shaped baffle plate; Described baffle plate (424) is arranged in pressure cover (422) overhead gage jack (4222), and the Partial Block of baffle plate (424) is positioned at described annular groove (42331); By locking of four screw assembly (423), described lamp stand front end (11) is interposed in the installing port (4211) of described holder (421) by two pressures cover (422), and by set screw assembly (423), the fixed frame (41) being connected to holder (421) can arrange the different elevation angle.
2. the LED street lamp according to claim 1 with clamping mechanism, is characterized in that, the LED street lamp of described band clamping mechanism also comprises silica gel sealing ring (7); Described silica gel sealing ring (7) is positioned between LED illuminating module (2) and lower house (6); Described lower house (6) inside is provided with a circle press strip (61) with silica gel sealing ring (7) corresponding seat.
3. the LED street lamp according to claim 1 with clamping mechanism, is characterized in that, described fin (32) becomes array arrangement, and is provided with air flow clearance (321).
4. the LED street lamp according to claim 1 with clamping mechanism, is characterized in that, the LED street lamp of described band clamping mechanism is fixedly connected with lamp stand front end (11) by the clamping mechanism (42) on fixed head (4); There is an angle a in described fixed head (4) and horizontal direction, described angle a is more than or equal to 5 degree and is less than or equal to 30 degree.
5. the LED street lamp according to claim 1 with clamping mechanism, is characterized in that, described wind deflector is an arc, and is bent upwards 30 to 45 degree; Described sunshading board is that heat-barrier material is made.
6. the LED street lamp according to claim 1 with clamping mechanism, it is characterized in that, the diameter of the threaded portion (4232) of described screw assembly (423) is greater than the diameter of described afterbody (4233), and the diameter of described screw (4212) is greater than the diameter of described through hole (4221).
7. the LED street lamp according to claim 1 with clamping mechanism, is characterized in that, the arc-shaped inner surface of described pressure cover (422) is provided with multiple bulge-structure (4223), with effective sandwiched described lamp stand front end (11).
8. the LED street lamp according to claim 1 with clamping mechanism, is characterized in that, described pressure cover (422) squeezes type structure for metal; Described holder (421) and fixed frame (41) are formed in one structure.
9. the LED street lamp according to claim 1 with clamping mechanism, is characterized in that, has a cross section (4234) between the threaded portion (4232) of described screw assembly (423) and afterbody (4233); Described cross section (4234) is resisted against the outer surface at the circular arc top of described pressure cover (422).
10. the LED street lamp according to claim 1 with clamping mechanism, is characterized in that, the annular groove (42331) of described screw assembly (423) has a sidewall (42332); Described sidewall (42332) is upwards resisted against the portion lower surface of described baffle plate (424).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510596426.2A CN105135304A (en) | 2015-09-18 | 2015-09-18 | LED street lamp with clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510596426.2A CN105135304A (en) | 2015-09-18 | 2015-09-18 | LED street lamp with clamping mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN105135304A true CN105135304A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510596426.2A Pending CN105135304A (en) | 2015-09-18 | 2015-09-18 | LED street lamp with clamping mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641996A (en) * | 2017-03-07 | 2017-05-10 | 苏文藏 | Street lamp and remote mountainous area street lamp system |
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| CN103196073A (en) * | 2012-01-06 | 2013-07-10 | 天津津港宇达电子科技有限公司 | Streetlamp |
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| US20090034255A1 (en) * | 2007-07-31 | 2009-02-05 | Xuliang Li | Environmentally friendly street lamps |
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Application publication date: 20151209 |