CN113114094B - Protection device for outdoor power supply in photovoltaic off-grid system - Google Patents

Protection device for outdoor power supply in photovoltaic off-grid system Download PDF

Info

Publication number
CN113114094B
CN113114094B CN202110548380.2A CN202110548380A CN113114094B CN 113114094 B CN113114094 B CN 113114094B CN 202110548380 A CN202110548380 A CN 202110548380A CN 113114094 B CN113114094 B CN 113114094B
Authority
CN
China
Prior art keywords
supporting plate
solar panel
top end
protective cover
photovoltaic
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.)
Active
Application number
CN202110548380.2A
Other languages
Chinese (zh)
Other versions
CN113114094A (en
Inventor
阮艳芳
叶凯
龙翔
赵小军
赵顺昌
李强
罗光
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.)
Jiangxi Beiteli New Energy Co ltd
Shenzhen Betterpower Battery Co ltd
Original Assignee
Jiangxi Beiteli New Energy Co ltd
Shenzhen Betterpower Battery 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 Jiangxi Beiteli New Energy Co ltd, Shenzhen Betterpower Battery Co ltd filed Critical Jiangxi Beiteli New Energy Co ltd
Priority to CN202110548380.2A priority Critical patent/CN113114094B/en
Publication of CN113114094A publication Critical patent/CN113114094A/en
Application granted granted Critical
Publication of CN113114094B publication Critical patent/CN113114094B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F24S30/425—Horizontal axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention discloses a protection device for an outdoor power supply in a photovoltaic off-grid system, which comprises a supporting plate, wherein the supporting plate is movably arranged at the top end of a device main body, and a flexible buffer block is fixedly arranged at the bottom of the supporting plate; the protective cover is threaded in the mounting groove, the mounting groove is formed in the top end of the supporting plate, and the protective cover is made of transparent glass material; the solar panel is arranged at the top end of the supporting plate and is electrically connected with the storage battery. The protection device for the outdoor power supply in the photovoltaic off-grid system has the advantages of convenience in installation, strong applicability and the like; through the detachable installation of the protective cover and the supporting plate, the solar panel can be protected, meanwhile, the cleaning and the replacement of the protective cover are convenient, and the service life of the solar panel is prolonged; the flexible buffer is arranged, so that the spring is prevented from absorbing the impact energy and converting the impact energy into heat energy, the service life of the storage battery is influenced, meanwhile, the damage to equipment caused by shaking can be avoided, and the protection of a power supply is facilitated.

Description

Protection device for outdoor power supply in photovoltaic off-grid system
Technical Field
The invention relates to the technical field of protection devices, in particular to a protection device for an outdoor power supply in a photovoltaic off-grid system.
Background
The photovoltaic off-grid power generation system in the current market can effectively solve the problems of power loss in boosting and long-distance transportation and the like, has the advantages of low energy consumption and convenient maintenance, but for an outdoor photovoltaic power generation system, the outdoor environment is severe, the photovoltaic module is easy to damage due to shaking of a solar panel, and the service life is reduced; and in rainy weather, the rainwater possibly enters the power supply to cause the damage of equipment.
Through retrieving, chinese patent grant number CN 208608770U's patent discloses a protection device, is favorable to protecting the battery through the rotation of pivoted plate under humid environment, avoids causing the damage of battery because of the rainwater, but just can't dispel the heat to the battery under this state, and the energy that the spring absorbed the impact simultaneously can make it change into heat energy to seriously influence the life of battery.
Disclosure of Invention
The invention aims to provide a pneumatic valve with a butt joint protection structure, which solves the problems that in the prior art, the storage battery is protected by the rotation of a rotating plate in a humid environment, the storage battery is prevented from being damaged due to rainwater, but the storage battery cannot be cooled in the state, and meanwhile, the spring absorbs the impact energy and converts the impact energy into heat energy, so that the service life of the storage battery is seriously influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: a protection device for outdoor power supply in photovoltaic off-grid system comprises,
the support plate is movably arranged at the top end of the device main body, and a flexible buffer block is fixedly arranged at the bottom of the support plate;
the protective cover is threaded in the mounting groove, the mounting groove is formed in the top end of the supporting plate, and the protective cover is made of transparent glass material;
the solar panel is arranged at the top end of the supporting plate and is electrically connected with the storage battery.
By adopting the technical scheme, the solar panel can be protected through the detachable installation of the protective cover and the supporting plate, and meanwhile, the protective cover is convenient to clean and replace, so that the service life of the solar panel is prolonged.
Preferably, the device body further includes:
a battery provided in the device main body;
the ventilation pipes are symmetrically arranged on two sides of the bottom of the device main body, and are L-shaped.
By adopting the technical scheme, the ventilating pipe can provide a radiating effect for the storage battery, and meanwhile, the design of the ventilating pipe can reduce the external moisture from entering the device main body.
Preferably, the support plate further comprises:
the sliding groove is formed in the top surface of the supporting plate, and a movable block is movably arranged in the sliding groove;
the flexible buffer blocks are symmetrically arranged at the left and right sides of the bottom of the inner side of the supporting plate;
the connecting blocks are symmetrically arranged on the left and right sides and are arranged at the bottom of the inner side of the supporting plate;
one end of the flexible rope is welded to the bottom of the connecting block, and the other end of the flexible rope is connected with the connecting block arranged in the device body.
By adopting the technical scheme, the flexible buffer is used to avoid the impact energy absorbed by the spring, so that the spring can be converted into heat energy, the service life of the storage battery is influenced, and meanwhile, the damage to equipment caused by shaking can be avoided, thereby being beneficial to protecting a power supply.
Preferably, the solar panel further comprises:
the fixing frame is symmetrically provided with two groups of rotating shafts for mounting the solar panel, and the bottom end of the fixing frame is welded at the top end of the supporting plate;
the solar panel comprises a solar panel body, a solar panel, a matching groove, a connecting rod and a connecting rod, wherein the matching groove is formed in the right side of the solar panel, and the connecting rod is movably installed in the matching groove.
Preferably, the connecting rod further comprises:
the rotating shaft of the movable frame is arranged at the outer side of the connecting rod, and the bottom of the movable frame is welded with a movable block;
the movable block is movably arranged in the chute and is of an L-shaped structure;
the telescopic cylinder, its guide arm and movable block interconnect, telescopic cylinder locates the surface of backup pad.
By adopting the technical scheme, the solar panel can be rotated through the work of the telescopic cylinder, so that the direction of the solar panel can be conveniently adjusted, and the absorption and utilization of the solar panel to light energy can be improved.
Preferably, the ventilation pipe further comprises:
and the filter screen is bilaterally symmetrical to the inside of the different ventilating pipes.
By adopting the technical scheme, the filter screen can filter impurities entering the device main body from the ventilation pipe, so that the service life of the storage battery is prolonged.
Compared with the prior art, the invention has the beneficial effects that: the protection device for the outdoor power supply in the photovoltaic off-grid system has the advantages of convenience in installation, strong applicability and the like;
1. through the detachable installation of the protective cover and the supporting plate, the solar panel can be protected, meanwhile, the cleaning and the replacement of the protective cover are convenient, and the service life of the solar panel is prolonged;
2. the flexible buffer is arranged, so that the spring is prevented from absorbing the impact energy and converting the impact energy into heat energy, the service life of the storage battery is influenced, meanwhile, the damage to equipment caused by shaking can be avoided, and the protection of a power supply is facilitated.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a left-hand structural schematic diagram of the present invention;
FIG. 4 is a schematic view of the cross-sectional structure of A-A of FIG. 2 in accordance with the present invention;
fig. 5 is a schematic view of a telescopic cylinder connection structure according to the present invention.
In the figure: 1. a device body; 2. a support plate; 3. a mounting groove; 4. a protective cover; 5. a fixing frame; 6. a solar panel; 7. a mating groove; 8. a connecting rod; 9. a movable frame; 10. a movable block; 11. a chute; 12. a telescopic cylinder; 13. a flexible buffer block; 14. a connecting block; 15. a flexible rope; 16. a storage battery; 17. a ventilation pipe; 18. and (3) a filter screen.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the protection device for the outdoor power supply in the photovoltaic off-grid system comprises a support plate 2 movably arranged at the top end of a device main body 1, and a flexible buffer block 13 is fixedly arranged at the bottom of the support plate 2; the protective cover 4 is threaded in the mounting groove 3, the mounting groove 3 is formed in the top end of the supporting plate 2, and the protective cover 4 is made of transparent glass material; the top of backup pad 2 is located to solar panel 6, and solar panel 6 and battery 16 electric connection make the demountable installation of safety cover 4 and backup pad 2 to can protect solar panel 6, be convenient for simultaneously to the cleanness and the change of safety cover 4, improved solar panel 6's life.
When the device is used, two groups of rotating shafts of the solar panel 6 are symmetrically arranged in front and back of the fixing frame 5, and the bottom end of the fixing frame 5 is welded at the top end of the supporting plate 2; the matching groove 7 is formed in the right side of the solar panel 6, a connecting rod 8 is movably arranged in the matching groove 7, a movable frame 9 is rotatably arranged on the outer side of the connecting rod 8, and a movable block 10 is welded at the bottom of the movable frame 9; the movable block 10 is movably arranged in the chute 11, and the movable block 10 is of an L-shaped structure; the telescopic cylinder 12 is connected with the movable block 10, the telescopic cylinder 12 is arranged on the surface of the supporting plate 2, and the movable block 10 moves in the chute 11 through the operation of the telescopic cylinder 12, so that the connecting rod 8 in the movable frame 9 can rotate, the connecting rod 8 drives the solar panel 6 to rotate, the direction of the solar panel 6 is adjusted, and the light energy absorption and utilization of the solar panel 6 can be improved.
As shown in fig. 4, a chute 11 is formed on the top surface of the support plate 2, and a movable block 10 is movably mounted in the chute 11; the flexible buffer blocks 13 are symmetrically arranged at the left and right sides and at the bottom of the inner side of the supporting plate 2; the connecting blocks 14 are symmetrically provided with flexible buffer blocks 13 left and right, and the connecting blocks 14 are arranged at the bottom of the inner side of the supporting plate 2; one end of the flexible rope 15 is welded at the bottom of the connecting block 14, and the other end of the flexible rope 15 is connected with the connecting block 14 arranged inside the device main body 1, so that the device main body 1 and the supporting plate 2 are provided with flexible buffering, the spring is prevented from absorbing impact energy, the spring is converted into heat energy, the service life of the storage battery 16 is influenced, meanwhile, damage to equipment caused by shaking can be avoided, and the power supply is protected.
As shown in fig. 1 and fig. 3 to 4, the ventilation pipes 17 are symmetrically arranged on two sides of the bottom of the device main body 1, and the ventilation pipes 17 are in an L shape. The filter screen 18 is bilaterally symmetrical to the inside of the different ventilation duct 17, the ventilation duct 17 can provide a heat radiation effect to the storage battery 16, and the filter screen 18 can filter out impurities entering the inside of the device body 1 from the ventilation duct 17 to improve the service life of the storage battery 16.
Working principle: the solar panel 6 can be protected through the protective cover 4 in threaded connection, the solar panel 6 can be rotated under the action of the telescopic cylinder 12, the direction of the solar panel 6 can be conveniently adjusted, and then the light energy absorption and utilization of the solar panel 6 can be improved.
The device body 1 and the support plate 2 are provided with flexible buffering to avoid damage to equipment caused when shaking, be favorable to protecting a power supply, and the ventilation pipe 17 can provide a heat dissipation effect to the storage battery 16, and the filter screen 18 can filter out impurities entering the interior of the device body 1 from the ventilation pipe 17 to improve the service life of the storage battery 16.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a protection device of outdoor power supply in photovoltaic off-grid system which characterized in that: comprising the steps of (a) a step of,
the support plate is movably arranged at the top end of the device main body, and a flexible buffer block is fixedly arranged at the bottom of the support plate; the support plate further includes:
the sliding groove is formed in the top surface of the supporting plate, and a movable block is movably arranged in the sliding groove;
the flexible buffer blocks are symmetrically arranged at the left and right sides of the bottom of the inner side of the supporting plate;
the connecting blocks are symmetrically arranged on the left and right sides and are arranged at the bottom of the inner side of the supporting plate;
one end of the flexible rope is welded at the bottom of the connecting block, and the other end of the flexible rope is connected with the connecting block arranged in the device main body;
the protective cover is threaded in the mounting groove, the mounting groove is formed in the top end of the supporting plate, and the protective cover is made of transparent glass material;
the solar panel is arranged at the top end of the supporting plate and is electrically connected with the storage battery; the solar panel further includes:
the fixing frame is symmetrically provided with two groups of rotating shafts for mounting the solar panel, and the bottom end of the fixing frame is welded at the top end of the supporting plate;
the matching groove is formed in the right side of the solar panel, and a connecting rod is movably arranged in the matching groove; the connecting rod further includes:
the rotating shaft of the movable frame is arranged at the outer side of the connecting rod, and the bottom of the movable frame is welded with a movable block;
the movable block is movably arranged in the chute and is of an L-shaped structure;
the guide rod of the telescopic cylinder is connected with the movable block, and the telescopic cylinder is arranged on the surface of the supporting plate;
the device body further includes:
a battery provided in the device main body;
the ventilation pipes are symmetrically arranged on two sides of the bottom of the device main body, and are L-shaped.
2. The protection device for an outdoor power source in a photovoltaic off-grid system according to claim 1, wherein: the ventilation pipe further comprises:
and the filter screen is bilaterally symmetrical to the inside of the different ventilating pipes.
CN202110548380.2A 2021-05-19 2021-05-19 Protection device for outdoor power supply in photovoltaic off-grid system Active CN113114094B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110548380.2A CN113114094B (en) 2021-05-19 2021-05-19 Protection device for outdoor power supply in photovoltaic off-grid system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110548380.2A CN113114094B (en) 2021-05-19 2021-05-19 Protection device for outdoor power supply in photovoltaic off-grid system

Publications (2)

Publication Number Publication Date
CN113114094A CN113114094A (en) 2021-07-13
CN113114094B true CN113114094B (en) 2023-06-06

Family

ID=76722791

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110548380.2A Active CN113114094B (en) 2021-05-19 2021-05-19 Protection device for outdoor power supply in photovoltaic off-grid system

Country Status (1)

Country Link
CN (1) CN113114094B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005086101A (en) * 2003-09-10 2005-03-31 Tokyo Electron Ltd Manufacturing method of solar cell array, solar cell array unit, and electronic equipment and electronic equipment system with solar cell array unit
CN109194276A (en) * 2018-10-08 2019-01-11 扬州驿丰诚信息科技有限公司 A kind of solar components of included protection cleaning structure
CN212361903U (en) * 2020-07-23 2021-01-15 吉安远晨照明工程有限公司 Integrated solar LED lamp
CN112234924A (en) * 2020-10-21 2021-01-15 蒲武智 Photovoltaic panel support frame capable of adjusting orientation and angle along with sun

Also Published As

Publication number Publication date
CN113114094A (en) 2021-07-13

Similar Documents

Publication Publication Date Title
CN209343902U (en) A kind of transformer with rain-proof water-soaked structure
CN113114094B (en) Protection device for outdoor power supply in photovoltaic off-grid system
CN105592247A (en) Energy-saving outdoor camera
CN207339747U (en) A kind of photovoltaic generation aluminium type stent
CN219420691U (en) Supporting device of solar photovoltaic power generation plate
CN112422920B (en) Multifunctional mining intrinsic safety type camera
CN209897456U (en) Cabinet for communication
CN212046937U (en) Fill electric pile heat abstractor
CN209946262U (en) Wind power detector based on artificial intelligence
CN218570185U (en) Photovoltaic power generation direct current collection flow box protector
CN208489827U (en) A kind of protective device of photovoltaic battery panel
CN108462066B (en) Energy-saving and environment-friendly switch cabinet
CN207304471U (en) A kind of solar panel being easily installed and dust can be removed
CN213027907U (en) Internet of things 4G solar monitoring camera outdoor power supply device
CN210928419U (en) Communication data information processing equipment with dustproof construction
CN213027906U (en) Solar panel with protective structure for solar monitoring power supply system
CN220692644U (en) Condensation mechanism is prevented to surface that looped netowrk cabinet was used
CN212539845U (en) Atmospheric sampler for environmental monitoring
CN219322478U (en) Outdoor camera
CN219322309U (en) Solar photovoltaic power generation dust collector
CN210724666U (en) Adjustable solar photovoltaic bracket
CN114389538B (en) Be applied to photovoltaic module's photovoltaic board of adjusting luminance
CN220934650U (en) Rain cover for photovoltaic equipment
CN219389514U (en) Solar street lamp with good protection effect
CN112066345B (en) Windproof photovoltaic panel based on LED street lamp

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant