CN108954174A - A kind of novel and multifunctional solar street light - Google Patents

A kind of novel and multifunctional solar street light Download PDF

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Publication number
CN108954174A
CN108954174A CN201810446259.7A CN201810446259A CN108954174A CN 108954174 A CN108954174 A CN 108954174A CN 201810446259 A CN201810446259 A CN 201810446259A CN 108954174 A CN108954174 A CN 108954174A
Authority
CN
China
Prior art keywords
novel
carrying roller
street light
wind wheel
fixedly connected
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
CN201810446259.7A
Other languages
Chinese (zh)
Inventor
王银龙
王银飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Fei Chang Municipal Engineering Co Ltd
Original Assignee
Jiangsu Fei Chang Municipal Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Fei Chang Municipal Engineering Co Ltd filed Critical Jiangsu Fei Chang Municipal Engineering Co Ltd
Priority to CN201810446259.7A priority Critical patent/CN108954174A/en
Publication of CN108954174A publication Critical patent/CN108954174A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02Lighting 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
    • F21S9/03Lighting 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
    • F21S9/035Lighting 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02Lighting 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
    • F21S9/026Lighting 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 wind power, e.g. using wind turbines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/06Bases for movable standing lamps; Fixing standards to the bases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Photovoltaic Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention discloses a kind of novel and multifunctional solar street lights, including including cover board, generator, solar energy photovoltaic panel, illuminating lamp plate, the second stand, charging-discharging controller, battery and mobile carrying roller, the wind wheel that the cover board bottom is fixedly connected with wind wheel strut and is arranged on the outside of wind wheel strut.When the invention works, wind-force can drive the rotation of wind wheel, and then wind wheel drives the rotation of alternator shaft to make electrical power generators, it can prevent birds by cover board and void excreta to drop on solar energy photovoltaic panel, mobile carrying roller can be mounted on traveller when needing to move road lamp device, pass through the mobile road lamp device of carrying roller, the present invention has rational design, it can also be generated electricity using wind energy while can use solar power generation, device can also utilize cover board prevent birds from voiding excreta and drop on solar energy photovoltaic panel simultaneously, road lamp device can be moved easily simultaneously, substantially increase the efficiency that worker installs road lamp device.

Description

A kind of novel and multifunctional solar street light
[technical field]
The present invention relates to a kind of street lamp, in particular to a kind of novel and multifunctional solar street light.
[background technique]
Increasingly in short supply with traditional energy, the application of solar energy will be more and more extensive, and especially field of solar thermal power generation is short Mature rising industry is had evolved into short time several years.Then it also will appear one while reusing solar street light A little problems, such as the aerial birds in day can drain some excrement when flying over solar energy photovoltaic panel, and this side excrement drops into When solar energy photovoltaic panel, the work of solar energy photovoltaic panel can be impacted, when to installation solar street light, solar energy The movement of street lamp is not very convenient, reduces work construction efficiency, while many solar street lights can only carry out optical energy power, cannot Wind power generation is utilized well.For this purpose, it is proposed that a kind of novel and multifunctional solar street light.
[summary of the invention]
The main purpose of the present invention is to provide a kind of novel and multifunctional solar street light, when work, wind-force can drive wind wheel Rotation, and then wind wheel drives the rotation of alternator shaft to make electrical power generators, can prevent birds by cover board and drain excrement Just it drops on solar energy photovoltaic panel, collect solar energy using solar energy photovoltaic panel and is turned solar energy by photovoltaic DC-to-AC converter Electric energy is turned to, the electric energy for electric energy and the photovoltaic DC-to-AC converter conversion that generator generates is saved via charging-discharging controller in electric power storage Pond, while battery distributes to each headlamp by charging-discharging controller, benefit is screwed road lamp device, when needs satisfy the need Mobile carrying roller can be mounted on traveller by lamp device when movement, and by the mobile road lamp device of carrying roller, while movement is held in the palm Openable storing bin door-plate storage is got up after roller use, and the present invention has rational design, can use the same of solar power generation When can also be generated electricity using wind energy, make full use of the natural resources, while device can also prevent birds from draining using cover board Excrement drops on solar energy photovoltaic panel, influences the work of solar energy photovoltaic panel, while road lamp device can be moved easily, The efficiency that worker installs road lamp device is substantially increased, the problems in background technique can be effectively solved.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of novel and multifunctional solar street light, including stood including cover board, generator, solar energy photovoltaic panel, illuminating lamp plate, second Frame, charging-discharging controller, battery and mobile carrying roller, the cover board bottom are fixedly connected with wind wheel strut and are arranged in wind wheel branch Wind wheel on the outside of bar, the wind wheel strut are fixedly connected by bearing disk with alternator shaft, and the alternator shaft bottom is set There is generator, the power generation motor spindle is fixedly connected with the first stand, and first stand two sides are fixedly connected with solar energy strut, institute It states solar energy strut side and is fixedly connected with solar energy photovoltaic panel, the second stand is fixed in first stand bottom, and described second is vertical Frame bottom is fixedly connected with charging-discharging controller, and the charging-discharging controller bottom is electrically connected battery, the bottom of storage battery It is fixedly connected with pedestal, is equipped with screw at the top of the pedestal.
Further, second stand side is equipped with connector, and the connector two sides are fixedly connected with illuminating lamp plate, institute Illuminating lamp plate bottom is stated equipped with headlamp.
Further, the solar energy photovoltaic panel side is electrically connected photovoltaic DC-to-AC converter.
Further, the generator, headlamp and photovoltaic DC-to-AC converter are electrically connected with charging-discharging controller.
Further, the base bottom is equipped with screw hole and the carrying roller slot of screw hole bottom, the screw and spiral shell is arranged in Hole is fixedly connected.
Further, the pedestal side is equipped with storing bin door-plate and the storing door of storing bin door-plate side is arranged in Plate lock.
Further, the mobile carrying roller side is equipped with groove.
Further, it is equipped with traveller on the inside of the carrying roller slot, the traveller diameter is more smaller than groove
Further, the carrying roller groove depth is 3/4ths of mobile idler diameter.
Compared with prior art, the invention has the following beneficial effects: when work, wind-force can drive the rotation of wind wheel, into And wind wheel drives the rotation of alternator shaft to making electrical power generators, can prevent birds by cover board and void excreta to drop into On solar energy photovoltaic panel, solar energy is collected using solar energy photovoltaic panel and electricity is converted for solar energy by photovoltaic DC-to-AC converter Can, the electric energy for electric energy and the photovoltaic DC-to-AC converter conversion that generator generates is saved in battery, simultaneously via charging-discharging controller Battery distributes to each headlamp by charging-discharging controller, and benefit is screwed road lamp device, when needing to road lamp device Mobile carrying roller can be mounted on traveller when movement, by the mobile road lamp device of carrying roller, while mobile carrying roller uses After the storage of openable storing bin door-plate get up, the present invention has rational design, may be used also while can use solar power generation It to be generated electricity using wind energy, makes full use of the natural resources, while device can also prevent from birds from voiding excreta falling using cover board Enter onto solar energy photovoltaic panel, influences the work of solar energy photovoltaic panel, while road lamp device can be moved easily, be mentioned significantly High worker installs the efficiency of road lamp device.
[Detailed description of the invention]
Fig. 1 is a kind of overall structure diagram of novel and multifunctional solar street light of the present invention.
Fig. 2 is a kind of schematic diagram of internal structure of novel and multifunctional solar street light of the present invention.
Fig. 3 is a kind of wind wheel structure schematic diagram of novel and multifunctional solar street light of the present invention.
Fig. 4 is a kind of mobile idler structure schematic diagram of novel and multifunctional solar street light of the present invention.
Fig. 5 is a kind of base construction schematic diagram of novel and multifunctional solar street light of the present invention
In figure: 1, cover board;2, alternator shaft;3, wind wheel strut;4, bearing disk;5, generator;6, wind wheel;7, photovoltaic Plate;8, solar energy strut;9, the first stand;10, headlamp;11, illuminating lamp plate;12, connector;13, the second stand;14, it fills Discharge controller;15, battery;16, storing bin door-plate;17, screw;18, storing bin door-plate is locked;19, mobile carrying roller;20, base Seat;21, photovoltaic DC-to-AC converter;22, groove;23, traveller;24, screw hole;25, carrying roller slot.
[specific embodiment]
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to specific Embodiment, the present invention is further explained.
As shown in Figs. 1-5, a kind of novel and multifunctional solar street light, including including cover board 1, generator 5, photovoltaic Plate 7, illuminating lamp plate 11, the second stand 13, charging-discharging controller 14, battery 15 and mobile carrying roller 17,1 bottom of cover board are solid Surely it connects wind wheel strut 3 and the wind wheel 6 in 3 outside of wind wheel strut is set, the wind wheel strut 3 passes through bearing disk 4 and power generation Machine shaft 2 is fixedly connected, and 2 bottom of alternator shaft is equipped with generator 5, and it is vertical that 5 bottom of generator is fixedly connected with first Frame 9,9 two sides of the first stand are fixedly connected with solar energy strut 8, and 8 side of solar energy strut is fixedly connected with solar energy Plate 7 is lied prostrate, the second stand 13 is fixed in 9 bottom of the first stand, and 13 bottom of the second stand is fixedly connected with charging-discharging controller 14,14 bottom of charging-discharging controller is electrically connected battery 15, and 15 bottom of battery is fixedly connected with pedestal 20, described Screw 17 is equipped at the top of pedestal 20.
A kind of novel and multifunctional solar street light of the present invention, when work, wind-force can drive the rotation of wind wheel 6, and then wind wheel 6 The rotation of alternator shaft 2 is driven to make generator 9 generate electricity, birds can be prevented by cover board 1 voids excreta to drop into too In positive energy photovoltaic panel 7, solar energy is collected using solar energy photovoltaic panel 7 and electricity is converted for solar energy by photovoltaic DC-to-AC converter 21 Can, the electric energy that the electric energy and photovoltaic DC-to-AC converter 21 that generator 9 generates convert is saved via charging-discharging controller 14 in battery 15, while battery 15 distributes to each headlamp 10 by charging-discharging controller 14, fixes road lamp device using screw 17, when Mobile carrying roller 19 can be mounted on traveller 23 when needing to move road lamp device, pass through the mobile street lamp dress of carrying roller 19 It sets, while openable storing bin door-plate storage is got up after mobile 19 use of carrying roller, the present invention has rational design, can use It can also be generated electricity, be made full use of the natural resources using wind energy while solar power generation, while device can also utilize lid Plate 1 prevents from birds from voiding excreta dropping on solar energy photovoltaic panel 7, influence the work of solar energy photovoltaic panel 7, while road lamp device It can easily be moved, substantially increase the efficiency that worker installs road lamp device.
Wherein, 13 side of the second stand is equipped with connector 12, and 12 two sides of connector are fixedly connected with illuminating lamp plate 11,11 bottom of illuminating lamp plate is equipped with headlamp 10.
Wherein, 7 side of solar energy photovoltaic panel is electrically connected photovoltaic DC-to-AC converter 21, so that photovoltaic DC-to-AC converter 21 is by the sun The solar energy that energy photovoltaic panel 7 absorbs is converted into electric energy.
Wherein, the generator 5, headlamp 10 and photovoltaic DC-to-AC converter 21 are electrically connected with charging-discharging controller 14, are made The remittance and outflow of electric current can effectively be controlled by obtaining charging-discharging controller 14.
Wherein, 20 bottom of pedestal is equipped with screw hole 24 and the carrying roller slot 25 of 24 bottom of screw hole, the screw is arranged in 17 are fixedly connected with screw hole 24.
Wherein, 20 side of pedestal is equipped with storing bin door-plate 16 and the storing bin of 16 side of storing bin door-plate is arranged in Door-plate lock 18, so that mobile carrying roller 17 can be stored by opening storing bin door-plate 16.
Wherein, 19 side of mobile carrying roller is equipped with groove 22.
Wherein, traveller 23 is equipped on the inside of the carrying roller slot 25,23 diameter of traveller is more smaller than groove 22, so that traveller 23 It is inserted into groove 22, the movement to road lamp device is completed using mobile carrying roller 19.
Wherein, the carrying roller slot 2) depth is 3/4ths of mobile 17 diameter of carrying roller, so that mobile carrying roller 17 can protrude Outside carrying roller slot 25, road lamp device is completed relative to the movement on road surface.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (8)

1. a kind of novel and multifunctional solar street light, including cover board (1), generator (5), solar energy photovoltaic panel (7), illuminating lamp plate (11), the second stand (13), charging-discharging controller (14), battery (15) and movement carrying roller (17), it is characterised in that: the lid The wind wheel (6) that plate (1) bottom is fixedly connected with wind wheel strut (3) and is arranged on the outside of wind wheel strut (3), the wind wheel strut (3) it is fixedly connected by bearing disk (4) with alternator shaft (2), alternator shaft (2) bottom is equipped with generator (5), institute Generator (5) bottom to be stated to be fixedly connected the first stand (9), the first stand (9) two sides are fixedly connected with solar energy strut (8), Solar energy strut (8) side is fixedly connected solar energy photovoltaic panel (7), and the second stand is fixed in the first stand (9) bottom (13), the second stand (13) bottom is fixedly connected charging-discharging controller (14), charging-discharging controller (14) the bottom electricity Property connection battery (15), battery (15) bottom is fixedly connected with pedestal (20), and screw is equipped at the top of the pedestal (20) (17).
2. a kind of novel and multifunctional solar street light according to claim 2, it is characterised in that: second stand (13) Side is equipped with connector (12), and connector (12) two sides are fixedly connected illuminating lamp plate (11), illuminating lamp plate (11) bottom Portion is equipped with headlamp (10).
3. a kind of novel and multifunctional solar street light according to claim 2, it is characterised in that: the solar energy photovoltaic panel (7) side is electrically connected photovoltaic DC-to-AC converter (21).
4. a kind of novel and multifunctional solar street light according to claim 2, it is characterised in that: the generator (5) is shone Bright lamp (10) and photovoltaic DC-to-AC converter (21) are electrically connected with charging-discharging controller (14).
5. a kind of novel and multifunctional solar street light according to claim 1, it is characterised in that: pedestal (20) bottom Equipped with screw hole (24) and setting in the carrying roller slot (25) of screw hole (24) bottom, the screw (17) and screw hole (24) are fixed and are connected It connects.
6. a kind of novel and multifunctional solar street light according to claim 1, it is characterised in that: pedestal (20) side Storing bin door-plate equipped with storing bin door-plate (16) and setting in storing bin door-plate (16) side locks (18).
7. a kind of novel and multifunctional solar street light according to claim 1, it is characterised in that: the mobile carrying roller (19) Side is equipped with groove (22).
8. a kind of novel and multifunctional solar street light according to claim 5, it is characterised in that: in the carrying roller slot (25) Side is equipped with traveller (23), and traveller (23) diameter is than groove (22)) it is smaller
A kind of novel and multifunctional solar street light according to claim 5, it is characterised in that: carrying roller slot (25) depth It is 3/4ths of mobile carrying roller (17) diameter.
CN201810446259.7A 2018-05-11 2018-05-11 A kind of novel and multifunctional solar street light Pending CN108954174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810446259.7A CN108954174A (en) 2018-05-11 2018-05-11 A kind of novel and multifunctional solar street light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810446259.7A CN108954174A (en) 2018-05-11 2018-05-11 A kind of novel and multifunctional solar street light

Publications (1)

Publication Number Publication Date
CN108954174A true CN108954174A (en) 2018-12-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810446259.7A Pending CN108954174A (en) 2018-05-11 2018-05-11 A kind of novel and multifunctional solar street light

Country Status (1)

Country Link
CN (1) CN108954174A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112555749A (en) * 2020-12-09 2021-03-26 王庆龙 Solar street lamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201697018U (en) * 2010-06-17 2011-01-05 实铼股份有限公司 Solar and wind LED street lamp
CN205278916U (en) * 2015-11-25 2016-06-01 四川能士达节能技术有限公司 Portable LED street lamp
CN107062146A (en) * 2017-05-19 2017-08-18 董晶龙 A kind of energy saving and environment friendly street lamp based on SMART WIRE bar
CN206890387U (en) * 2017-06-23 2018-01-16 任传清 A kind of packaged type LED solar street lights
CN107676729A (en) * 2017-11-17 2018-02-09 成都袖禾贸易有限公司 Energy-saving environment-friendly road lamp based on dual intensity power supply
CN107687626A (en) * 2017-09-28 2018-02-13 四川言成科技有限公司 It is easy to adjust the street lamp of direction shift position

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201697018U (en) * 2010-06-17 2011-01-05 实铼股份有限公司 Solar and wind LED street lamp
CN205278916U (en) * 2015-11-25 2016-06-01 四川能士达节能技术有限公司 Portable LED street lamp
CN107062146A (en) * 2017-05-19 2017-08-18 董晶龙 A kind of energy saving and environment friendly street lamp based on SMART WIRE bar
CN206890387U (en) * 2017-06-23 2018-01-16 任传清 A kind of packaged type LED solar street lights
CN107687626A (en) * 2017-09-28 2018-02-13 四川言成科技有限公司 It is easy to adjust the street lamp of direction shift position
CN107676729A (en) * 2017-11-17 2018-02-09 成都袖禾贸易有限公司 Energy-saving environment-friendly road lamp based on dual intensity power supply

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112555749A (en) * 2020-12-09 2021-03-26 王庆龙 Solar street lamp

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Application publication date: 20181207

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