CN104613407A - Energy-saving street lamp - Google Patents
Energy-saving street lamp Download PDFInfo
- Publication number
- CN104613407A CN104613407A CN201510048212.1A CN201510048212A CN104613407A CN 104613407 A CN104613407 A CN 104613407A CN 201510048212 A CN201510048212 A CN 201510048212A CN 104613407 A CN104613407 A CN 104613407A
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- CN
- China
- Prior art keywords
- lamp
- energy
- lampshade
- street lamp
- lamp stand
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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.)
- Pending
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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
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
- F21S9/035—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being integrated within the support for the lighting unit, e.g. within or on a pole
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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
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/04—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator
- F21S9/043—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a generator driven by wind power, e.g. by wind turbines
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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
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
-
- 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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to an energy-saving street lamp. The energy-saving street lamp comprises a base, wherein a lamp post is connected to the base, a lead screw is arranged in the lamp post, bearings are installed at the two ends of the lead screw, a lead screw nut is arranged on the lead screw, a cross rod is connected to the lead screw nut, a lampshade is connected to the outer end of the cross rod, a bulb is arranged in the lampshade, a hand-cranking wheel is arranged on the bottom of the lamp post and is connected with the lead screw through a gear set, a nanometer baffle board is arranged at the upper end of the lampshade, a solar cell panel and a rainwater collecting pool are arranged on the lamp post, a wind driven generator is arranged at the top end of the lamp post and is connected with a windmill, a storage battery is arranged in the lamp post, the bulb, the solar cell panel and the wind driven generator are all connected with the storage battery, a rainwater pipe is connected to the lower end of the rainwater collecting pool, and the lower end of the rainwater pipe is connected with a water storage tank. According to the energy-saving street lamp, scattering consumption is reduced, luminous flux is improved, brightness is improved, rainwater in rainy days can be collected, and both cleaning and repairing are quite convenient.
Description
Technical field
The present invention relates to a kind of street lamp, particularly relate to a kind of energy-conserving road lamp.
Background technology
Street lamp, shows the light fixture that road provides illumination functions, the light fixture in general reference traffic lighting in the illumination zone of road surface.Language goes out Xia Zhixu " memory of segment ": " pedestrian is rare, and street lamp is dim again.”
The development history of the mankind is one and pursues bright history of starting an undertaking, and the utilization of fire is the important milestone of human civilization progress.The bonfire that time immemorial, ancients lighted is exactly lights the earliest.
1843, there is first street lamp in Chinese Shanghai street corner, lights although it is kerosene, can in the mind of people, than moonlight also holy god.The crowd jostled each other in a crowd along the river in Huangpu goes to specially and sees elegance.Afterwards, the street lamp in concession, Shanghai changed gas lamp into again.Transplant from London and come, brightness ratio kerosene lamp improves several times, in the eye of pedestrian at night, is exactly " sun " at night simply.Until 1879, Pu, Shanghai 16 harbour has lighted China's first electric light finally, outfit be the internal combustion engine generating set of 10 horsepowers, be equivalent to the power of a hand tractor.
Road electric light at the beginning fills knife switch on every wire bar, still needs workman's open and close every day.After 3 years, use some street lamps instead and share a switch, the street lamp of this form is in use to the 1950's in each city, the whole nation always.
The total class of street lamp is a lot, can be divided into following a few class according to the feature difference of street lamp:
1, divide by street lamp height: high pole street lamp, king-rod lamp, road lamp, garden lamp, Lawn lamp;
2, divide by street lamp post material: galvanizing irony street lamp, steel street lamp and stainless steel street lamp;
3, divide by road-light light-source: sodium vapor lamp street lamp, LED street lamp, energy-conserving road lamp, novel Suo Ming xenon street lamp;
4, divide by moulding: Chinese lamp, lamp modelled after an antique, Landscape Lamp, single armed street lamp, both arms street lamp;
5, divide by power supply mode: civil power street lamp and solar street light, wind and light complementary road lamp.
Street lamp relates to lighting engineering, is applicable to street street lamp.Object is to design a kind of long-life, low-power consumption, High Power Factor, the high-efficient electron energy-conserving street lamp that current harmonic content is little.This high-efficient electron energy-conserving street lamp comprises electrical network high pressure earial drainage branch road R1, C1 of being linked in sequence, rectifier bridge D1-D4, PFC branch road C2, D5, D6, high intermediate frequency burr filter branch L1, L3, high-frequency oscillating circuits BG1-BG2, starts branch road L2, C7 and fluorescent tube T; Street lamp can economize on electricity 80% than ever; Harmonic content THD < 25%, prolonging lamp tube service life can reach 3-4 times.
China's street lamp storage is at 2,800 ten thousand-3,000 ten thousand.Newly-increased street lamp quantity was 15%-20% every year in recent years, about 3,000,000-600 ten thousand.Be all LED lamp according to annual newly-increased street lamp quantity, the calculating of every 1000-2000 unit, annual increment is at 3,000,000,000-60 hundred million yuans.LED street lamp uses the fault rate more than 6000 hours to be less than 1%.Illumination about account for the power consumption of 19% in the whole world, if the illumination system efficiency that the whole world adopts is than existing lifting one times, just can say it is the power consumption and the heat exhaust that are equivalent to remove European half.The global independent experiment of day last item is set up, LED street lamp is maximum can save 85% the energy.In December, 2011, China produces light fixture and lighting device 2.5 hundred million overlaps, and increases by 12.45 % on a year-on-year basis.The 1-12 month in 2011, the output of national light fixture and lighting device reaches 2,500,000,000 covers, increases by 6.38 % on a year-on-year basis.From the output in each province and city, the 1-12 month in 2011, the output of Zhejiang Province's light fixture and lighting device reaches 10.7 hundred million covers, increases by 9.13 % on a year-on-year basis, accounts for 42.40 % of national total output; The output of Guangdong Province's light fixture and lighting device reaches 8.7 hundred million covers, falls 4.44 % on a year-on-year basis, accounts for 34.43 % of national total output.Chinese LED market in 2011 rises to 5,800,000,000 dollars by from 2010 4,700,000,000 dollars, and 23%, the LED that rises has become made in China hot product, and is very attractive investment field.In addition, the support of government to this industry seems to tell on.Estimate that Chinese LED market in 2012 will reach 6,900,000,000 dollars, reached 11,100,000,000 dollars by 2015, the compound annual rate of increase of 2010-2015 is 17.7%.The street lamp construction of China achieves development at full speed, road lighting quality improves constantly, high-intensity gas discharge lamp is widely used, to the investment environment improving China, promote rapid economic development, bring more conveniences to the people in their daily life, beautifying city and the construction as an export-oriented modern city play great role.
There is a lot of problem in present street lamp, such as street lamp illumination, energy-saving efficiency are low, and source for street light maintenance, cleaning are inconvenient.
Chinese invention patent description CN 102313153 A openly so a kind of energy-conserving road lamp, comprise illuminating lamp, lamp bracket, wherein, also comprise Photoinduction device, vibration inductive device, control device, described Photoinduction device is arranged on lamp bracket on the surface, and vibration inductive device is installed on the ground; Photoinduction device, vibration inductive device, illuminating lamp are all connected with control device by wire; Control device is controlled illuminating lamp by the signal of Photoinduction device and vibration inductive device input.This energy-conserving road lamp structure is simple, easy to operate, automatically can control, saved the energy, provide great convenience to the life of people when not affecting people and normally going on a journey night according to ambient conditions.But this energy-conserving road lamp scattering consumes many, and the solar energy of the Nature and Wind Power Utilization can not be got up, rainwater can not collect, and keeps in repair very inconvenient.
Chinese invention patent description CN 102537814 A is openly so a kind of automatic control energy-saving street lamp system, this automatic control energy-saving street lamp system is made up of central controller, optical cable, lamp stand, bulb, central controller controls the switch of bulb by optical cable, its key is, lamp stand is provided with inductor.Further, solar energy and wind turbine generator is equipped with at lamp stand top.This beneficial effect of the invention is: the electric power of street lamp is provided by solar energy and wind turbine generator, inductor senses light around street lamp, stream of people's situation feeds back to central controller, the switch of central controller controls bulb, reaches the effect automatically controlled, realizes the object of energy-saving and emission-reduction.But this energy-conserving road lamp scattering consumes many, and rainwater can not collect, and keeps in repair very inconvenient.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of energy-conserving road lamp, and this energy-conserving road lamp decreases scattering consumption, improves luminous flux, enhances brightness, the rainwater-collecting of rainy day can be got up, and cleaning maintenance is also more convenient.
In order to solve the problems of the technologies described above, energy-conserving road lamp of the present invention comprises base, base connects lamp stand, one rhizoid thick stick is set in lamp stand, bearing is installed at leading screw two ends, leading screw arranges feed screw nut, feed screw nut connects cross bar, cross bar outer end connects lampshade, in lampshade, bulb is set, bottom lamp stand, hand-operated wheel is set, hand-operated wheel is connected with screw mandrel by gear train, described lampshade upper end arranges nanometer reflection plate, described lamp stand arranges solar panel, rainwater collection pool, lamp stand top arranges wind-driven generator, wind-driven generator connects windmill, in lamp stand, battery is set, described bulb, solar panel, wind-driven generator is all connected with battery, described rainwater collection pool lower end connects rain pipe, rain pipe lower end is connected with storage tank.
Described base and lamp stand are bolted.
Described bulb is LED.
Described rainwater collection pool is spill.
Described rainwater collection pool, rain pipe are made by stainless steel material.
Adopt this energy-conserving road lamp, owing to arranging a rhizoid thick stick in lamp stand, leading screw arranges feed screw nut, feed screw nut connects cross bar, cross bar outer end connects lampshade, in lampshade, bulb is set, arrange hand-operated wheel bottom lamp stand, hand-operated wheel is connected with screw mandrel by gear train, can make screw turns like this by rotating hand-operated wheel, thus lampshade is moved up and down, facilitate maintenance and the cleaning of street lamp; Because lampshade upper end arranges nanometer reflection plate, the scattering consumption of light can be reduced like this, improve luminous flux, enhance brightness; Due to lamp stand arranging rainwater collection pool, rainwater collection pool lower end connects rain pipe, and rain pipe lower end is connected with storage tank, the rainwater-collecting on rainy day can be got up like this, and collected rainwater can be used for cleaning street lamp.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of energy-conserving road lamp of the present invention.
Wherein have: 1. base; 2. lamp stand; 3. leading screw; 4. bearing; 5. feed screw nut; 6. cross bar; 7. lampshade; 8. bulb; 9. hand-operated wheel; 10. nanometer reflection plate; 11. solar panels; 12. windmills; 13. wind-driven generators; 14. batteries; 15. rainwater collection pool; 16. rain pipes; 17. storage tanks.
Detailed description of the invention
Energy-conserving road lamp shown in Fig. 1, comprise base 1, base 1 connects lamp stand 2, one rhizoid thick stick 3 is set in lamp stand 2, bearing 4 is installed at leading screw 3 two ends, leading screw 3 is arranged feed screw nut 5, feed screw nut 5 connects cross bar 6, cross bar 6 outer end connects lampshade 7, bulb 8 is set in lampshade 7, hand-operated wheel 9 is set bottom lamp stand, hand-operated wheel 9 is connected with screw mandrel 3 by gear train, described lampshade 7 upper end arranges nanometer reflection plate 10, described lamp stand 2 arranges solar panel 11, rainwater collection pool 15, lamp stand 2 top arranges wind-driven generator 13, wind-driven generator 13 connects windmill 12, battery 14 is set in lamp stand 2, described bulb 8, solar panel 11, wind-driven generator 13 is all connected with battery 14, described rainwater collection pool 15 lower end connects rain pipe 16, rain pipe 16 lower end is connected with storage tank 17.
Described base 1 is bolted with lamp stand 2.
Described bulb 8 is LED.
Described rainwater collection pool 15 is in spill.
Described rainwater collection pool 15, rain pipe 16 are made by stainless steel material.
When the lampshade 7 of street lamp or bulb 8 damage or are very dirty, can by rotating hand-operated wheel 9, hand-operated wheel 9 is rotated by gear set drive screw mandrel 3, thus the lampshade 7 of street lamp can be made to move up and down, and facilitates maintenance and cleaning.Because lampshade 7 upper end arranges nanometer reflection plate 10, the scattering consumption of light can be reduced like this, improve luminous flux, enhance brightness.Due to lamp stand 2 arranging rainwater collection pool 15, rainwater collection pool 15 lower end connects rain pipe 16, and rain pipe 16 lower end is connected with storage tank 17, the rainwater-collecting on rainy day can be got up like this, and collected rainwater can be used for cleaning street lamp.
The technical characteristic described in detail is not had to be prior art in the application.Above-described embodiment is the principle of illustrative the application and effect thereof only, but not for limiting the application.Any person skilled in the art scholar all under the spirit and category of the application, can modify above-described embodiment or changes.Therefore, have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the application discloses, must be contained by the claim of the application.
Claims (5)
1. an energy-conserving road lamp, it is characterized in that: comprise base (1), base (1) connects lamp stand (2), one rhizoid thick stick (3) is set in lamp stand (2), bearing (4) is installed at leading screw (3) two ends, leading screw (3) is arranged feed screw nut (5), feed screw nut (5) connects cross bar (6), cross bar (6) outer end connects lampshade (7), bulb (8) is set in lampshade (7), hand-operated wheel (9) is set bottom lamp stand, hand-operated wheel (9) is connected with screw mandrel (3) by gear train, described lampshade (7) upper end arranges nanometer reflection plate (10), described lamp stand (2) is arranged solar panel (11), rainwater collection pool (15), lamp stand (2) top arranges wind-driven generator (13), wind-driven generator (13) connects windmill (12), battery (14) is set in lamp stand (2), described bulb (8), solar panel (11), wind-driven generator (13) is all connected with battery (14), described rainwater collection pool (15) lower end connects rain pipe (16), rain pipe (16) lower end is connected with storage tank (17).
2. according to energy-conserving road lamp according to claim 1, it is characterized in that: described base (1) and lamp stand (2) are bolted.
3. according to energy-conserving road lamp according to claim 1, it is characterized in that: described bulb (8) is LED.
4. according to energy-conserving road lamp according to claim 1, it is characterized in that: described rainwater collection pool (15) is in spill.
5. according to energy-conserving road lamp according to claim 1, it is characterized in that: described rainwater collection pool (15), rain pipe (16) are made by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510048212.1A CN104613407A (en) | 2015-01-29 | 2015-01-29 | Energy-saving street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510048212.1A CN104613407A (en) | 2015-01-29 | 2015-01-29 | Energy-saving street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104613407A true CN104613407A (en) | 2015-05-13 |
Family
ID=53147990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510048212.1A Pending CN104613407A (en) | 2015-01-29 | 2015-01-29 | Energy-saving street lamp |
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| Country | Link |
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| CN (1) | CN104613407A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443318A (en) * | 2015-12-08 | 2016-03-30 | 苏州华安普电力科技股份有限公司 | Photovoltaic solar energy, wind power and rainwater generating integrated generating set |
| CN105937738A (en) * | 2016-02-29 | 2016-09-14 | 衢州职业技术学院 | LED street lamp with automatic cooling and cleaning function |
| CN106871018A (en) * | 2017-03-17 | 2017-06-20 | 贵州大学 | A kind of light fixture that can adjust direction of illumination and height |
| CN107620926A (en) * | 2017-09-23 | 2018-01-23 | 芜湖启尊智能科技有限公司 | A kind of energy-conserving road lamp |
| CN109067333A (en) * | 2018-10-24 | 2018-12-21 | 九州能源有限公司 | A kind of photovoltaic bracket and photovoltaic system |
| CN109099374A (en) * | 2018-08-29 | 2018-12-28 | 孝感锐创机械科技有限公司 | A kind of energy-saving environment-friendly road lamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009218086A (en) * | 2008-03-11 | 2009-09-24 | Jet Neko Kk | Outdoor lamp |
| CN102425755A (en) * | 2011-09-28 | 2012-04-25 | 苏州晶雷光电照明科技有限公司 | Elevating slide rail type high-pole lamp |
| CN102588860A (en) * | 2011-01-07 | 2012-07-18 | 北京联合大学 | Method for cleaning solar streetlight photovoltaic panel |
| CN203052500U (en) * | 2013-01-29 | 2013-07-10 | 林晓坤 | Novel wind energy and solar energy combination light-emitting diode (LED) streetlamp |
| CN203147598U (en) * | 2013-03-14 | 2013-08-21 | 山东中鸿新能源科技有限公司 | Energy-saving lighting system with wind power generation device, solar power generation device and rainfall power generation device |
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2015
- 2015-01-29 CN CN201510048212.1A patent/CN104613407A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009218086A (en) * | 2008-03-11 | 2009-09-24 | Jet Neko Kk | Outdoor lamp |
| CN102588860A (en) * | 2011-01-07 | 2012-07-18 | 北京联合大学 | Method for cleaning solar streetlight photovoltaic panel |
| CN102425755A (en) * | 2011-09-28 | 2012-04-25 | 苏州晶雷光电照明科技有限公司 | Elevating slide rail type high-pole lamp |
| CN203052500U (en) * | 2013-01-29 | 2013-07-10 | 林晓坤 | Novel wind energy and solar energy combination light-emitting diode (LED) streetlamp |
| CN203147598U (en) * | 2013-03-14 | 2013-08-21 | 山东中鸿新能源科技有限公司 | Energy-saving lighting system with wind power generation device, solar power generation device and rainfall power generation device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443318A (en) * | 2015-12-08 | 2016-03-30 | 苏州华安普电力科技股份有限公司 | Photovoltaic solar energy, wind power and rainwater generating integrated generating set |
| CN105937738A (en) * | 2016-02-29 | 2016-09-14 | 衢州职业技术学院 | LED street lamp with automatic cooling and cleaning function |
| CN106871018A (en) * | 2017-03-17 | 2017-06-20 | 贵州大学 | A kind of light fixture that can adjust direction of illumination and height |
| CN107620926A (en) * | 2017-09-23 | 2018-01-23 | 芜湖启尊智能科技有限公司 | A kind of energy-conserving road lamp |
| CN109099374A (en) * | 2018-08-29 | 2018-12-28 | 孝感锐创机械科技有限公司 | A kind of energy-saving environment-friendly road lamp |
| CN109099374B (en) * | 2018-08-29 | 2020-09-04 | 幂光新材料科技（上海）有限公司 | Energy-saving environment-friendly street lamp |
| CN109067333A (en) * | 2018-10-24 | 2018-12-21 | 九州能源有限公司 | A kind of photovoltaic bracket and photovoltaic system |
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Application publication date: 20150513 |
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| RJ01 | Rejection of invention patent application after publication |