CN204254402U - Led street lamp module - Google Patents
Led street lamp module Download PDFInfo
- Publication number
- CN204254402U CN204254402U CN201420768324.5U CN201420768324U CN204254402U CN 204254402 U CN204254402 U CN 204254402U CN 201420768324 U CN201420768324 U CN 201420768324U CN 204254402 U CN204254402 U CN 204254402U
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- Prior art keywords
- street lamp
- aluminium base
- led street
- housing
- lamp module
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- 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.)
- Expired - Fee Related
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 45
- 239000004411 aluminium Substances 0.000 claims abstract description 45
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 239000011324 bead Substances 0.000 claims abstract description 10
- 230000004907 flux Effects 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- -1 silicon lipid Chemical class 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 10
- 238000005286 illumination Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000007812 deficiency Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241001025261 Neoraja caerulea Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
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- 239000003566 sealing material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a kind of LED street lamp module, comprise: housing, aluminium base, LED lamp bead, waterproof apron and lens module, wherein, housing is provided with at least two cuboid radiating fins, radiating fin equidistantly arranges and forms microflute group, and housing is fixedly connected with aluminium base; Aluminium base is positioned at below housing, and aluminium base matches with housing, and aluminium base is provided with illuminating LED lamp pearl; Waterproof apron, is positioned at below aluminium base, matches respectively with aluminium base and lens module; Lens module, is positioned at below waterproof apron, is fixedly connected with waterproof apron, and lens module is provided with the lens matched with LED lamp bead.The utility model overcomes maintenance difficult, the luminous intensity distribution illumination unevenness and undesirable deficiency of dispelling the heat that the integrated design of prior art LED street lamp module brings, and provides a kind of radiating effect good, and luminous intensity distribution design is convenient succinct, the LED street lamp module of uniform-illumination.
Description
Technical field
The utility model relates to road lighting field, specifically, relates to a kind of high-power LED street lamp module.
Background technology
Street lamp is the important component part of city illumination, traditional street lamp often adopts high-pressure mercury lamp, the high-pressure mercury lamp shortcoming that light efficiency is low on the whole causes the huge waste of the energy, therefore, development of new is efficient, energy-conservation, the life-span is long, colour rendering index is high, the street lamp of environmental protection is of great significance the energy-conservation tool of city illumination.
LED street lamp with directional lighting, the advantage such as power consumption is low, drive characteristic good, fast response time, shock resistance are high, long service life, environmental protection enter into gradually people the visual field, become the energy-conserving light source of new generation most in the world with alternative conventional light source advantage.
LED street lamp and conventional high-pressure sodium vapor lamp street lamp unlike, the efficient white light diode that the light source of high-power LED street lamp adopts low-voltage DC supply, synthesized by GaN base power-type blue-ray LED and yellow fluorescent powder, there is the particular advantages such as efficient, safety, energy-saving and environmental protection, life-span length, fast response time, colour rendering index height, can city illumination be widely used in.Outer cover can make of PC pipe, high temperature resistantly answers 135 degree, low temperature resistantly reaches-45 degree.
Light emitting diode (LightEmittingDiode, be abbreviated as LED) be based semiconductor PN junction formed just can be luminous with faint electric energy high efficiency solid-state light source, under certain forward bias voltage and Injection Current, the hole injecting P district and the electronics injecting N district send photon through radiation recombination after diffusing to active area, and electric energy is converted into luminous energy.
And the Integrated design of the many employing integrations of high-power LED street lamp at present.At Breakdown Maintenance, very difficult during maintenance.Even all can not keep in repair and directly scrap.This substantially increases with regard to making the use cost of LED street lamp.In addition, due to integrated form design, the lamp pearl of employing is more.For the difficult problem that luminous intensity distribution is also in design, be easy to produce luminous intensity distribution uneven.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of LED street lamp module, it is characterized in that, this LED street lamp module, comprising: housing, aluminium base, LED lamp bead, waterproof apron and lens module, wherein,
Described housing is provided with at least two cuboid radiating fins, described radiating fin equidistantly arranges and forms microflute group, and described housing is fixedly connected with aluminium base;
Described aluminium base is positioned at below described housing, and described aluminium base matches with described housing, and described aluminium base is provided with illuminating LED lamp pearl;
Described waterproof apron, is positioned at below described aluminium base, matches respectively with described aluminium base and lens module;
Described lens module, is positioned at below described waterproof apron, is fixedly connected with described waterproof apron, and described lens module is provided with the lens matched with described LED lamp bead.
Preferably, described radiating fin is provided with wavy sawtooth.
Preferably, described housing is provided with at least three projections, and the convex cross section near described shell rim is amassed the convex cross section be greater than away from described shell rim and amassed.
Preferably, thermal conductive silicon lipid layer is also provided with between described housing and described aluminium base.
Preferably, the both sides of described housing are equipped with the wing plate for fixing described LED street lamp module.
Preferably, described housing is also provided with wire hole and Waterproof lock, described Waterproof lock matches with described wire hole.
Preferably, described lens, are further, 3*10-PG-LM type lens.
Preferably, described housing, aluminium base, waterproof apron and lens module are equipped with fixing hole, are fixedly connected with by bolt or screw.
Preferably, described wing plate is provided with installing hole or fluting.
Preferably, the lighting angle of described lens is 87 °-134 °, and distribution curve flux is bat aerofoil profile, and the luminous intensity distribution of tabula rasa is than being 1:2.55, and the uniformity is greater than 0.42.
Compared with prior art, LED street lamp module described in the utility model, reaches following beneficial effect:
1) instant invention overcomes maintenance difficult, luminous intensity distribution illumination unevenness and undesirable deficiency of dispelling the heat that the integrated design of prior art LED street lamp module brings, provide a kind of radiating effect good, luminous intensity distribution design is convenient succinct, the LED street lamp module of uniform-illumination.
2) LED street lamp module casing of the present invention installs single independently LED lamp bead and module type lens, form LED street lamp module thus, it has easy to maintenance, and processing is simple, the relatively simple feature of production line balance technique.
3) lens of different beam angle can be selected according to different occasion and demand.The present invention uses 3*10-PG-LM type lens lighting angle 87 °-134 °, and the uniformity is greater than 0.42.Housing back is radiating fin, relatively densely arranged formation microflute (i.e. micro slot group composite phase change cooling technology).Each radiating fin Surface Machining goes out many waveform sawtooth, rough and uneven in surface, and again form microflute (i.e. micro slot group composite phase change cooling technology), housing both sides respectively lean out a bit of, is conducive to convenient fixing module.
4) be not only screwed when aluminium base is connected with housing, also add and use thermal conductive silicon lipid layer, the heat being conducive to lamp pearl better conducts to housing, especially for high-power LED street lamp, is conducive to improving service life.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The exploded view of the LED street lamp module that Fig. 1 provides for the utility model;
The profile of the LED street lamp module that Fig. 2 provides for the utility model;
The upward view of the LED street lamp module middle shell that Fig. 3 provides for the utility model;
The profile of the LED street lamp module middle shell that Fig. 4 provides for the utility model.
Detailed description of the invention
As employed some vocabulary to censure specific components in the middle of description and claim.Those skilled in the art should understand, and hardware manufacturer may call same assembly with different noun.This specification and claims are not used as with the difference of title the mode distinguishing assembly, but are used as the criterion of differentiation with assembly difference functionally." comprising " as mentioned in the middle of description and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.Description subsequent descriptions is for implementing better embodiment of the present utility model, and right described description is to illustrate for the purpose of rule of the present utility model, and is not used to limit scope of the present utility model.Protection domain of the present utility model is when being as the criterion depending on the claims person of defining.
Below in conjunction with accompanying drawing, the utility model is described in further detail, but not as to restriction of the present utility model.
Embodiment one:
As Figure 1-Figure 4, present embodiments provide a kind of LED street lamp module, comprise successively from top to bottom: housing 1, aluminium base 2, waterproof apron 5 and lens module 4, as can be seen from Figure 1, housing 1, aluminium base 2, the edge of waterproof apron 5 and lens module 4 is equipped with fixing hole, be fixedly connected with by bolt or screw successively, housing 1 there are two circle fixing holes 10, the fixing hole 10 of inner ring is for stationary housing 1 and aluminium base 2, the fixing hole 10 of outer ring is for being fixed to housing 1 by lens module 4 and waterproof apron 5, as can be seen from Figure 1 the fixing hole 10 of waterproof apron 5 is semicircular, during installation, bolt 12 is successively through the fixing hole 10 on lens module 4, after the fixing hole 10 at waterproof apron 5 edge and the fixing hole 10 of housing 1 outer ring, fix lens module 4, waterproof apron 5 and housing 1.
The shape of housing 1 can be rectangle, circle, square or oval, it is rectangle in the present embodiment, because housing 1, aluminium base 2, waterproof apron 5 and lens module 4 cooperatively interact, so aluminium base 2, waterproof apron 5 and lens module 4 are rectangle in the present embodiment.
As can be seen from Fig. 1, Fig. 2 and Fig. 4, described housing 1 upper end is provided with at least two cuboid radiating fins 7, described radiating fin 7 equidistantly arrangement forms microflute group, and described housing 1 is fixedly connected with aluminium base 2, is fixedly connected with in the present embodiment by screw 11.In order to reach better radiating effect, in the utility model, on described radiating fin 7, being provided with wavy sawtooth 8, very clearly can finding out the shape of sawtooth 8 from sawtooth 8 partial enlargement Fig. 2.
Described housing 1 is also provided with at least projection 14, the shape of protruding 14 is cube or cylinder, here be not specifically limited, the quantity of protruding 14 is at least three, wherein be greater than projection 14 cross-sectional area away from described housing 1 edge near the cross-sectional area of the projection 14 at described housing 1 edge, as can be seen from the figure the projection 14 on the present embodiment middle shell 1 both sides is wider than the projection 14 of middle part, and two of edge projections 14 are symmetrical, and the projection 14 of middle part can symmetry also can be asymmetric, and had part radiating fin 7 to be also installed to as seen from the figure on protruding 14, in addition the height of radiating fin 7 also can be different, multiple radiating fins 7 top of equidistant arrangement is wavy, this structure is conducive to heat radiation.
In addition, the both sides of described housing 1 are equipped with the wing plate 9 for fixing described LED street lamp module, described wing plate 9 is provided with installing hole 91 or fluting, and what arrange in the present embodiment is installing hole 91, and during installation, housing 1 is fixed on the position of needs installation by bolt or other fixture.
Housing 1 described in the utility model is also provided with wire hole 13 and Waterproof lock 6, described Waterproof lock 6 matches with described wire hole 13, is not specifically limited here to the shape of Waterproof lock 6.
Described aluminium base 2 is positioned at below described housing 1, and described aluminium base 2 matches with described housing 1, also can set up thermal conductive silicon lipid layer between described housing 1 and described aluminium base 2, with better by heat conduction on radiating fin 7.On described aluminium base 2, multiple illuminating LED lamp pearl is provided with, for reaching good illuminating effect in the utility model.
Described waterproof apron 5, is positioned at described aluminium base 2 times, matches respectively with described aluminium base 2 and lens module 4, and waterproof apron 5 is silica gel material or other waterproof and sealing material, is not specifically limited here.Waterproof apron 5 mainly plays the effect of waterproof.
Described lens module 4, is positioned at described waterproof apron 5 times, is fixedly connected with described waterproof apron 5, and described lens module 4 is provided with the lens 41 matched with described LED lamp bead 3.Lens in the present embodiment have employed 3*10-PG-LM type lens, and lighting angle is 87 °-134 °, and distribution curve flux is bat aerofoil profile, and the luminous intensity distribution of tabula rasa is than being 1:2.55, and the uniformity is greater than 0.42.
Embodiment two:
On the basis of embodiment one, present embodiments provide a kind of LED street lamp module, mainly consider from housing heat radiation, luminous intensity distribution and maintenance integration.
The present embodiment mainly comprises housing 1, aluminium base 2, LED lamp bead 3, lens 4, waterproof apron 5 and Waterproof lock 6.
There is radiating fin 7 at housing 1 back, and radiating fin 7 equidistantly arrangement forms microflute group, utilizes micro slot group composite phase change cooling technology to dispel the heat.So-called micro slot group composite phase change cooling technology processes many micro-channel at capillary slot group composite phase change heat collector inner surface exactly, form microflute group structure, utilize micro-scale composite phase-change enhanced heat exchange mechanism, realize in small space, to the high heat flux of small size and the heat-obtaining expeditiously of powerful device.When housing 1 the heat conduction on aluminium base 2 to radiating fin 7 time, radiating fin 7 contacts with air, and heat becomes air into liquid film (gas-liquid mixture), along with increasing progressively of service time, more heat is conducted to radiating fin 7, and a large amount of heat energy allows liquid film vaporize instantaneously.Thus heat energy is taken away reduction aluminium base 2 temperature, so repeatedly carry out thermal energy exchange circulation.In addition, each radiating fin 7 is also provided with many wavy sawtooth 8, these sawtooth 8 form again miniature microflute group, are conducive to better heat radiation.
Housing 1 front (or below) connects aluminium base 2, and centre accompanies heat-conducting silicone grease layer, be conducive to better by heat conduction to radiating fin 7.A circle waterproof apron 5 is had around aluminium base 2, during fixing waterproof apron 5, utilize the fixing hole 10 of lens cleverly, water resistance is good, water resistance can reach IP65, and in IP65 grade (dustproof and waterproof) definition herein, a P grade is to allotrylic degree of protection for electrical appliance enclosure.
Above aluminium base 2 with waterproof apron 5, be stamped lens 41, due to by street lamp modularity, multiple lens 41 constitute lens module 4.The lens 41 that this programme adopts are 3*10-PG-LM type lens, and these lens adopt TracePro aplanatism software to carry out board design, and lighting angle is 87 °-134 °, and distribution curve flux is bat aerofoil profile, and the luminous intensity distribution of tabula rasa is than 1:2.55, and the uniformity is greater than 0.42.
A bit of wing plate 9 is respectively stretched out at the two ends of housing 1, be convenient to be fixed installation to LED street lamp module, street lamp for different occasion and surface structure can utilize the wing plate 9 of both sides to accomplish rational fixed form, on wing plate 9, such as establish installing hole 91 to be screwed, also can slot fixing etc. with socket, be slot on wing plate 9 in the present embodiment, fix with socket.
Compared with prior art, LED street lamp module described in the utility model, reaches following effect:
1) instant invention overcomes maintenance difficult, luminous intensity distribution illumination unevenness and undesirable deficiency of dispelling the heat that the integrated design of existing LED street lamp module brings, provide a kind of radiating effect good, luminous intensity distribution design is convenient succinct, the LED street lamp module of uniform-illumination.
2) LED street lamp module casing of the present invention installs single independently LED lamp bead and module type lens, form LED street lamp module thus, it has easy to maintenance, and processing is simple, the relatively simple feature of production line balance technique.
3) lens of different beam angle can be selected according to different occasion and demand.The present invention uses 3*10-PG-LM type lens lighting angle 87 °-134 °, uniformity >0.42, and housing back is radiating fin, relatively densely arranged formation microflute (i.e. micro slot group composite phase change cooling technology).Each fin Surface Machining goes out many waves, rough and uneven in surface, and again form microflute (i.e. micro slot group composite phase change cooling technology), housing both sides respectively lean out a bit of, is conducive to convenient fixing module.
4) be not only screwed when aluminium base is connected with housing, also add and use thermal conductive silicon lipid layer, the heat being conducive to lamp pearl better conducts to housing, especially for high-power LED street lamp, is conducive to improving service life.
Above-mentioned explanation illustrate and describes some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in utility model contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection domain of the utility model claims.
Claims (10)
1. a LED street lamp module, is characterized in that, this LED street lamp module, comprising: housing, aluminium base, LED lamp bead, waterproof apron and lens module, wherein,
Described housing is provided with at least two cuboid radiating fins, described radiating fin equidistantly arranges and forms microflute group, and described housing is fixedly connected with aluminium base;
Described aluminium base is positioned at below described housing, and described aluminium base matches with described housing, and described aluminium base is provided with illuminating LED lamp pearl;
Described waterproof apron, is positioned at below described aluminium base, matches respectively with described aluminium base and lens module;
Described lens module, is positioned at below described waterproof apron, is fixedly connected with described waterproof apron, and described lens module is provided with the lens matched with described LED lamp bead.
2. LED street lamp module according to claim 1, is characterized in that, described radiating fin is provided with wavy sawtooth.
3. LED street lamp module according to claim 1 and 2, is characterized in that, described housing is provided with at least three projections, and the convex cross section near described shell rim is amassed the convex cross section be greater than away from described shell rim and amassed.
4. LED street lamp module according to claim 3, is characterized in that, is also provided with thermal conductive silicon lipid layer between described housing and described aluminium base.
5. LED street lamp module according to claim 4, is characterized in that, the both sides of described housing are equipped with the wing plate for fixing described LED street lamp module.
6. LED street lamp module according to claim 5, is characterized in that, described housing is also provided with wire hole and Waterproof lock, and described Waterproof lock matches with described wire hole.
7. LED street lamp module according to claim 1, is characterized in that, described lens are further, 3*10-PG-LM type lens.
8. LED street lamp module according to claim 7, is characterized in that, described housing, aluminium base, waterproof apron and lens module are equipped with fixing hole, are fixedly connected with by bolt or screw.
9. LED street lamp module according to claim 5, is characterized in that, described wing plate is provided with installing hole or fluting.
10. LED street lamp module according to claim 7, is characterized in that, the lighting angle of described lens is 87 °-134 °, and distribution curve flux is bat aerofoil profile, and the luminous intensity distribution of tabula rasa is than being 1:2.55, and the uniformity is greater than 0.42.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768324.5U CN204254402U (en) | 2014-12-09 | 2014-12-09 | Led street lamp module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768324.5U CN204254402U (en) | 2014-12-09 | 2014-12-09 | Led street lamp module |
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| Publication Number | Publication Date |
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| CN204254402U true CN204254402U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420768324.5U Expired - Fee Related CN204254402U (en) | 2014-12-09 | 2014-12-09 | Led street lamp module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135306A (en) * | 2015-09-18 | 2015-12-09 | 浙江大邦科技有限公司 | Light-emitting diode street lamp |
| CN106151891A (en) * | 2016-07-07 | 2016-11-23 | 浙江昊玥电子科技有限公司 | A kind of full water-proof light source encapsulating structure of optics luminous intensity distribution |
| WO2017092023A1 (en) * | 2015-12-04 | 2017-06-08 | 苏文藏 | Led street lamp provided with control circuit used in cooperation with photosensitive resistor |
| CN108071953A (en) * | 2016-11-14 | 2018-05-25 | 山东中微光电子有限公司 | A kind of Novel LED street lamp module |
| CN111832781A (en) * | 2019-04-15 | 2020-10-27 | 宿迁市公路管理处 | Design method of self-luminous traffic sign night guidance system for rural highway |
-
2014
- 2014-12-09 CN CN201420768324.5U patent/CN204254402U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135306A (en) * | 2015-09-18 | 2015-12-09 | 浙江大邦科技有限公司 | Light-emitting diode street lamp |
| WO2017092023A1 (en) * | 2015-12-04 | 2017-06-08 | 苏文藏 | Led street lamp provided with control circuit used in cooperation with photosensitive resistor |
| CN106151891A (en) * | 2016-07-07 | 2016-11-23 | 浙江昊玥电子科技有限公司 | A kind of full water-proof light source encapsulating structure of optics luminous intensity distribution |
| CN108071953A (en) * | 2016-11-14 | 2018-05-25 | 山东中微光电子有限公司 | A kind of Novel LED street lamp module |
| CN111832781A (en) * | 2019-04-15 | 2020-10-27 | 宿迁市公路管理处 | Design method of self-luminous traffic sign night guidance system for rural highway |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150408 |