CN111550722A - Solar street lamp is used in sponge city construction - Google Patents

Solar street lamp is used in sponge city construction Download PDF

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Publication number
CN111550722A
CN111550722A CN202010404019.8A CN202010404019A CN111550722A CN 111550722 A CN111550722 A CN 111550722A CN 202010404019 A CN202010404019 A CN 202010404019A CN 111550722 A CN111550722 A CN 111550722A
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CN
China
Prior art keywords
lamp post
rotating shaft
street lamp
water
solar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010404019.8A
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Chinese (zh)
Inventor
吴巨才
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Individual
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Individual
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Publication date
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Priority to CN202010404019.8A priority Critical patent/CN111550722A/en
Publication of CN111550722A publication Critical patent/CN111550722A/en
Pending legal-status Critical Current

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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
    • F21S9/028—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 using hydropower, e.g. using water powered turbines
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • E01C11/226—Coherent pavings
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • 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
    • 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
    • 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
    • F21S9/046—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 hydropower, e.g. by water powered turbines
    • 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
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Sustainable Development (AREA)
  • Hydrology & Water Resources (AREA)
  • Sustainable Energy (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a solar street lamp for sponge city construction, which comprises a water seepage road surface, a soil-stone mixed layer positioned below the water seepage road surface, a concrete layer positioned below the soil-stone mixed layer and a foundation layer positioned below the concrete layer, wherein a vertically upward lamp post is inserted in the concrete layer, the lamp post is hollow inside, a solar panel and a street lamp body are installed at the top end of the lamp post, an installation seat is further fixedly arranged on the side wall of the upper end of the lamp post, an obliquely arranged drainage groove is arranged inside the installation seat, the lower end of the drainage groove is communicated with the inside of the lamp post, and a first rotating shaft is rotatably connected to the inner side wall of the drainage groove. Has the advantages that: according to the invention, a special drainage line is arranged by utilizing the characteristic that the lamp post of the solar street lamp penetrates into the ground surface, so that the process of rainwater infiltration and collection is accelerated; and the storage battery in the solar panel is used for storing the electric energy converted from potential energy when rainwater flows, so that the solar energy-saving rainwater-saving solar energy collector is more energy-saving and environment-friendly and is more convenient and fast to use.

Description

Solar street lamp is used in sponge city construction
Technical Field
The invention relates to the technical field of sponge cities, in particular to a solar street lamp for sponge city construction.
Background
The sponge city is a new generation of city rainfall flood management concept, and refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and the city can also be called as a water elasticity city.
In the middle of the construction of sponge city, the road surface in city need be divided into infiltration road surface, the soil stone mixes layer, concrete layer and foundation soil layer quadruple, is equipped with the collector pipe of collecting the rainwater among the foundation soil layer wherein to realize to functions such as the absorption, infiltration, stagnate, hold of rainwater. However, the process of rainwater gradually seeping from the ground into the foundation soil layer is slow, and therefore other municipal facilities are needed to accelerate the collection process.
Therefore, the solar street lamp for sponge city construction is provided.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a solar street lamp for sponge city construction.
In order to achieve the purpose, the invention adopts the following technical scheme: a solar street lamp for sponge city construction comprises a water seepage road surface, a soil-stone mixed layer positioned below the water seepage road surface, a concrete layer positioned below the soil-stone mixed layer and a foundation layer positioned below the concrete layer, wherein a vertically upward lamp post is inserted in the concrete layer, the lamp post is hollow inside, a solar panel and a street lamp body are installed at the top end of the lamp post, a mounting seat is further fixedly arranged on the side wall of the upper end of the lamp post, a drainage groove which is obliquely arranged is arranged in the mounting seat, the lower end of the drainage groove is communicated with the inside of the lamp post, a first rotating shaft is rotatably connected to the inner side wall of the drainage groove, two impellers are fixedly sleeved on the first rotating shaft, a first bevel gear is fixedly sleeved on the first rotating shaft positioned between the two impellers, a mounting groove which is perpendicular to the drainage groove is further formed in the inner top wall of the drainage groove, the mounting groove is internally and rotatably connected with a second rotating shaft perpendicular to the first rotating shaft, a second bevel gear is fixedly sleeved at the lower end of the second rotating shaft and meshed with the first bevel gear, a micro generator is fixedly mounted on the inner top wall of the mounting groove, an input shaft of the micro generator and the second rotating shaft are positioned on the same straight line and fixedly connected with the upper end of the micro generator, and a water storage and drainage mechanism is further arranged at the upper end of the mounting seat.
In foretell solar street lamp for sponge city construction, hold drainage mechanism and include a water receiving tank of the fixed setting in mount pad upper end, water receiving tank inside is equipped with a siphon, still vertically set up on the mount pad one with the perpendicular hole of water drainage tank upper end intercommunication, wherein the water outlet end of siphon runs through the water receiving tank and inserts and establish in the upper mouth of erecting the hole.
In the solar street lamp for sponge city construction, the lower end of the solar panel is positioned above the water receiving tank.
In the solar street lamp for sponge city construction, the lamp post is arranged above the water seepage road surface and on the side wall of the water seepage road surface and the soil-stone mixed layer, and the water drainage holes are formed in the side wall.
Compared with the prior art, this solar street lamp is used in sponge city construction's advantage lies in: a special drainage line is arranged by utilizing the characteristic that the lamp post of the solar street lamp penetrates into the ground surface, so that the process of permeating and collecting rainwater is accelerated; and the storage battery in the solar panel is used for storing the electric energy converted from potential energy when rainwater flows, so that the solar energy-saving rainwater-saving solar energy collector is more energy-saving and environment-friendly and is more convenient and fast to use.
Drawings
FIG. 1 is a schematic structural diagram of a solar street lamp for sponge city construction, which is provided by the invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the street lamp comprises a water seepage 1 road surface, a soil and stone mixed layer 2, a concrete layer 3, a foundation soil layer 4, a lamp post 5, a solar panel 6, a street lamp body 7, an installation seat 8, a drainage groove 9, a first rotating shaft 10, an impeller 11, an installation groove 12, a second rotating shaft 13, a microgenerator 14, a water receiving tank 15, a siphon pipe 16, a vertical hole 17 and a drain hole 18.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-2, a solar street lamp for sponge city construction comprises a water seepage road surface 1, a soil-stone mixed layer 2 below the water seepage road surface 1, a concrete layer 3 below the soil-stone mixed layer 2, and a foundation layer 4 below the concrete layer 3, wherein a vertically upward lamp post 5 is inserted into the concrete layer 3, a solar panel 6 and a street lamp body 7 are installed at the top end of the lamp post 5, the solar panel 6 is internally provided with a storage battery, the storage battery is electrically connected with the street lamp body 7 (the part is mature prior art and is not described herein), a mounting seat 8 is further fixedly arranged on the upper end side wall of the lamp post 5, an inclined drainage channel 9 is arranged inside the mounting seat 8, the lower end of the drainage channel 9 is communicated with the inside of the lamp post 5, and a first rotating shaft 10 is rotatably connected on the upper side wall of the drainage channel 9, two impellers 11 are fixedly sleeved on the first rotating shaft 10, a first bevel gear is fixedly sleeved on the first rotating shaft 10 positioned in the middle of the two impellers 11, an installation groove 12 perpendicular to the water drainage groove 9 is further formed in the inner top wall of the water drainage groove 9, a second rotating shaft 13 perpendicular to the first rotating shaft 10 is rotatably connected inside the installation groove 12, a second bevel gear is fixedly sleeved at the lower end of the second rotating shaft 13 and meshed with the first bevel gear and the second bevel gear, and a micro-generator 14 is fixedly installed on the inner top wall of the installation groove 12 and electrically connected with a storage battery in the solar panel 6, and an input shaft of the micro-generator 14 and the second rotating shaft 13 are positioned on the same straight line and fixedly connected with the upper end of the input shaft;
the upper end of the mounting seat 8 is also provided with a water storage and drainage mechanism; the water storage and drainage mechanism comprises a water receiving tank 15 fixedly arranged at the upper end of the mounting seat 8, a siphon pipe 16 is arranged inside the water receiving tank 15, a vertical hole 17 communicated with the upper end of the drainage channel 9 is also vertically formed in the mounting seat 8, and the water outlet end of the siphon pipe 16 penetrates through the water receiving tank 15 and is inserted into the upper opening of the vertical hole 17; the lower end of the solar panel 6 is positioned above the water receiving tank 15, so that rainwater can be received by the solar panel, the receiving area is larger, and the rainwater accumulation speed is higher; the lamp post 5 is positioned above the water seepage road surface 1 and the side walls of the water seepage road surface 1 and the soil-stone mixed layer 2 are provided with drain holes 18; prevent that the rain is fast to lead to in the lamp pole 5 interior accumulation rainwater.
In the invention, the water receiving tank 15 can be used for receiving and storing rainwater, when the rainwater in the water receiving tank 15 is accumulated to a certain height, the rainwater in the water receiving tank 15 can be quickly discharged by the siphon pipe 16 due to the siphon principle, the rainwater flows into the drainage groove 9 through the vertical hole 17 and flows downwards along the drainage groove 9, and the rainwater can directly flow into the concrete layer 3 along the lamp post 5, so that the rainwater infiltration and collection process is accelerated; and when rainwater flows in the drainage channel 9, the impeller 11 is driven to rotate continuously, so that the first rotating shaft 10 and the first bevel gear on the shaft are driven to rotate, the first bevel gear rotates to drive the second bevel gear meshed with the first bevel gear and the second rotating shaft 13 to rotate continuously, so that the input shaft of the micro generator 14 can be driven to rotate to generate electricity, and the generated electric energy is stored in the storage battery in the solar panel 6 and can be used by the street lamp body 7.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (4)

1. The solar street lamp for sponge city construction comprises a water seepage road surface (1), a soil-stone mixed layer (2) positioned below the water seepage road surface (1), a concrete layer (3) positioned below the soil-stone mixed layer (2) and a foundation layer (4) positioned below the concrete layer (3), and is characterized in that a vertically upward lamp post (5) is inserted in the concrete layer (3), the lamp post (5) is hollow, a solar panel (6) and a street lamp body (7) are installed at the top end of the lamp post (5), a mounting seat (8) is further fixedly arranged on the side wall of the upper end of the lamp post (5), a drainage groove (9) which is obliquely arranged is arranged inside the mounting seat (8), the lower end of the drainage groove (9) is communicated with the inside of the lamp post (5), and a first rotating shaft (10) is rotatably connected on the inner side wall of the drainage groove (9), two impellers (11) are fixedly sleeved on the first rotating shaft (10), a first bevel gear is fixedly sleeved on the first rotating shaft (10) positioned between the two impellers (11), the inner top wall of the drainage groove (9) is also provided with an installation groove (12) which is vertical to the drainage groove (9), a second rotating shaft (13) which is vertical to the first rotating shaft (10) is rotatably connected in the mounting groove (12), a second bevel gear is fixedly sleeved at the lower end of the second rotating shaft (13), the first bevel gear is meshed with the second bevel gear, a micro generator (14) is fixedly arranged on the inner top wall of the mounting groove (12), the input shaft of the micro generator (14) and the second rotating shaft (13) are positioned on the same straight line and fixedly connected with the upper end of the input shaft, and the upper end of the mounting seat (8) is also provided with a water storage and drainage mechanism.
2. The solar street lamp for sponge city construction according to claim 1, wherein the water storage and drainage mechanism comprises a water receiving tank (15) fixedly arranged at the upper end of the mounting seat (8), a siphon (16) is arranged inside the water receiving tank (15), a vertical hole (17) communicated with the upper end of the drainage channel (9) is vertically formed in the mounting seat (8), and the water outlet end of the siphon (16) penetrates through the water receiving tank (15) and is inserted into the upper opening of the vertical hole (17).
3. The solar street lamp for sponge city construction as claimed in claim 2, wherein the lower end of the solar panel (6) is located above the water receiving tank (15).
4. The solar street lamp for sponge city construction as claimed in claim 1, wherein the lamp post (5) is provided with a water drain hole (18) on the side wall above the water permeable pavement (1) and inside the water permeable pavement (1) and the soil and stone mixed layer (2).
CN202010404019.8A 2020-05-13 2020-05-13 Solar street lamp is used in sponge city construction Pending CN111550722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010404019.8A CN111550722A (en) 2020-05-13 2020-05-13 Solar street lamp is used in sponge city construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010404019.8A CN111550722A (en) 2020-05-13 2020-05-13 Solar street lamp is used in sponge city construction

Publications (1)

Publication Number Publication Date
CN111550722A true CN111550722A (en) 2020-08-18

Family

ID=71998360

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010404019.8A Pending CN111550722A (en) 2020-05-13 2020-05-13 Solar street lamp is used in sponge city construction

Country Status (1)

Country Link
CN (1) CN111550722A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170089533A1 (en) * 2015-09-30 2017-03-30 Chauvin Souvandy Self-powered street light
US20190041015A1 (en) * 2016-04-15 2019-02-07 Ntn Corporation Hybrid street light
CN109340650A (en) * 2018-08-31 2019-02-15 东莞市闻誉实业有限公司 LED street light
CN110440200A (en) * 2019-08-15 2019-11-12 陈启转 A kind of city LED street lamp self-cleaning device
CN110665861A (en) * 2019-10-12 2020-01-10 常友 Self-cleaning mechanism of sponge city LED street lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170089533A1 (en) * 2015-09-30 2017-03-30 Chauvin Souvandy Self-powered street light
US20190041015A1 (en) * 2016-04-15 2019-02-07 Ntn Corporation Hybrid street light
CN109340650A (en) * 2018-08-31 2019-02-15 东莞市闻誉实业有限公司 LED street light
CN110440200A (en) * 2019-08-15 2019-11-12 陈启转 A kind of city LED street lamp self-cleaning device
CN110665861A (en) * 2019-10-12 2020-01-10 常友 Self-cleaning mechanism of sponge city LED street lamp

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Application publication date: 20200818

RJ01 Rejection of invention patent application after publication