CN114614757A - Light energy efficiency improving assembly of solar photovoltaic panel - Google Patents
Light energy efficiency improving assembly of solar photovoltaic panel Download PDFInfo
- Publication number
- CN114614757A CN114614757A CN202210254989.3A CN202210254989A CN114614757A CN 114614757 A CN114614757 A CN 114614757A CN 202210254989 A CN202210254989 A CN 202210254989A CN 114614757 A CN114614757 A CN 114614757A
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- solar photovoltaic
- frame
- photovoltaic panel
- energy efficiency
- light energy
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- 230000007306 turnover Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 17
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000005286 illumination Methods 0.000 abstract description 8
- 238000010248 power generation Methods 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- 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
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- 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
- F24S30/20—Arrangements for moving or orienting solar heat collector modules for linear movement
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- 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
- F24S30/48—Arrangements for moving or orienting solar heat collector modules for rotary movement with three or more rotation axes or with multiple degrees of freedom
-
- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a light energy efficiency lifting assembly of a solar photovoltaic panel, which comprises an installation platform and a control host machine positioned at the bottom end of the installation platform, wherein a clamping transverse plate is installed at the other end of a transmission rod, a turnover plate is fixedly clamped inside the clamping transverse plate, a first hinge seat is installed on one side, close to the clamping transverse plate, of the top end surface of the turnover plate, an outer frame is hinged to the top end of the first hinge seat, an electric telescopic rod is installed on the bottom end surface of the turnover plate, a third hinge seat is installed at the top end of a piston rod of the electric telescopic rod, and the solar photovoltaic panel is installed inside the outer frame. According to the solar photovoltaic panel, the turnover plate is rotated in the circumferential direction, and the outer frame is lifted to one side, so that the angle of the solar photovoltaic panel is adjusted, and a better illumination angle can be obtained; meanwhile, the illumination intensity can be improved through the convex lens in the top frame, so that the power generation efficiency of the solar photovoltaic panel is improved; meanwhile, the lifting or landing mode can be adopted for installation, and the use is more convenient.
Description
Technical Field
The invention relates to the field of photovoltaic modules, in particular to a light energy efficiency improving module of a solar photovoltaic panel.
Background
Among all sustainable energy sources, solar energy is undoubtedly the cleanest, most common and most potential alternative energy source, and photovoltaic power generation is one of the most desirable features of sustainable development. The photovoltaic solar panel is a core part in a solar power generation system and is also the most important part in the solar power generation system. At present, when photovoltaic solar panel installs, need install it on the support, then install the top at open-air platform or floor again. After the general mounting frame is installed, the angle of the mounting frame is fixed, but the irradiation angles of sunlight at different time every day are different, and the photovoltaic solar panel cannot receive direct sunlight in most of time, so that the energy conversion efficiency is insufficient, and a large amount of energy is wasted.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a light energy efficiency improving assembly of a solar photovoltaic panel.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a light energy efficiency improving assembly of a solar photovoltaic panel, which comprises an installation platform and a control host machine positioned at the bottom end of the installation platform, wherein the installation platform is of a regular polygon structure, a plurality of rotating motors are annularly and equally distributed and installed at the bottom end of the installation platform, a coupler is installed on an output shaft of each rotating motor, a transmission rod is installed at the other end of each coupler, a bearing is sleeved on the outer end surface of each transmission rod, a bearing seat is sleeved on the outer end surface of each bearing, the bearing seat is fixedly connected with the bottom end of the installation platform, a clamping transverse plate is installed at the other end of each transmission rod, a turnover plate is fixedly clamped inside each clamping transverse plate, a first hinge seat is installed on one side, close to each clamping transverse plate, of the top end surface of each turnover plate, a cushion pad is installed on one side, far away from each first hinge seat, and an outer frame is hinged to the top end of each first hinge seat, the articulated seat of second is installed to the bottom surface opposite side of frame, the bottom surface mounting of returning face plate has electric telescopic handle, the third articulated seat is installed on electric telescopic handle's piston rod top, be connected with the bracing piece between third articulated seat and the articulated seat of second, the internally mounted of frame has the solar photovoltaic board.
As a preferred technical scheme of the invention, a plurality of threaded blocks are uniformly installed on two sides of the outer frame, a top frame is pressed on the top end of the outer frame, a plurality of threaded rods uniformly penetrate through two sides of the top frame and extend into the threaded blocks, a light inlet is formed in the surface of the top frame, assembling grooves are formed in two sides of the inner wall of the light inlet, convex lenses are embedded in the assembling grooves in a clamped mode, and a protective partition plate is arranged at the top of the light inlet.
According to a preferable technical scheme of the invention, a rubber strip is arranged inside the assembling groove to clamp the convex lens, and the convex lens and the protective partition plate are made of resin materials.
As a preferred technical scheme of the invention, the top frame is made of an aluminum alloy frame, and the interior of the top frame is of a hollow structure.
As a preferred technical scheme of the invention, a single chip microcomputer, an analog-to-digital converter and a communication module are installed in the control host, a gyroscope is installed on the surface of the bottom end of the outer frame, an angle sensor is installed on the surface of the top end of the turnover plate, the single chip microcomputer comprises a main single chip microcomputer and a secondary single chip microcomputer, and the main single chip microcomputer is connected with the secondary single chip microcomputer through a serial port-to-single bus.
As a preferred technical scheme of the invention, the top end surface of the mounting table is provided with a mounting connection assembly, the top corner of the bottom end of the mounting table is connected with a lower bottom plate through a support rod, the surface size of the lower bottom plate is the same as that of the mounting table, and the bottom end surface of the lower bottom plate is provided with support legs.
Compared with the prior art, the invention has the following beneficial effects:
according to the solar photovoltaic panel, the turnover plate is rotated in the circumferential direction, and the outer frame is lifted to one side, so that the angle of the solar photovoltaic panel is adjusted, and a better illumination angle can be obtained; meanwhile, the illumination intensity can be improved through the convex lens in the top frame, so that the power generation efficiency of the solar photovoltaic panel is improved; meanwhile, the lifting or landing mode can be adopted for installation, and the use is more convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a side view of a partial structure of the present invention;
FIG. 3 is a schematic view of the section A-A in FIG. 2;
FIG. 4 is a schematic view of the construction of a lower floor section of the present invention;
FIG. 5 is a schematic view of the top frame of the present invention;
FIG. 6 is a schematic view of the structure of FIG. 5 after the convex lens and the protective barrier are installed;
FIG. 7 is a bottom plan view of the outer frame of the present invention;
FIG. 8 is a top view of the roll-over panel of the present invention;
in the figure: 1. an installation table; 2. a rotating electric machine; 3. a coupling; 4. a transmission rod; 5. a bearing; 6. a bearing seat; 7. clamping the transverse plate; 8. a turnover plate; 9. a first hinge mount; 10. a cushion pad; 11. an outer frame; 12. a second hinge mount; 13. an electric telescopic rod; 14. a third hinge mount; 15. a support bar; 16. a solar photovoltaic panel; 17. a thread block; 18. a top frame; 19. a threaded rod; 20. a light inlet; 21. an assembly groove; 22. a convex lens; 23. a protective barrier; 24. a gyroscope; 25. an angle sensor; 26. a lower base plate; 27. and (5) supporting legs.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-8, the invention provides a light energy efficiency lifting assembly of a solar photovoltaic panel, which comprises an installation platform 1 and a control host computer positioned at the bottom end of the installation platform 1, wherein the installation platform 1 is of a regular polygon structure, a plurality of rotating motors 2 are arranged at the bottom end of the installation platform 1 in an annular equal division manner, a coupler 3 is arranged on an output shaft of each rotating motor 2, a transmission rod 4 is arranged at the other end of the coupler 3, a bearing 5 is sleeved on the outer end surface of the transmission rod 4, a bearing seat 6 is sleeved on the outer end surface of the bearing 5, the bearing seat 6 is fixedly connected with the bottom end of the installation platform 1, a clamping transverse plate 7 is arranged at the other end of the transmission rod 4, a turnover plate 8 is fixedly clamped inside the clamping transverse plate 7, a first hinge seat 9 is arranged at one side, close to the clamping transverse plate 7, of the top end surface of the turnover plate 8, a cushion pad 10 is arranged at one side, far away from the first hinge seat 9, the top of first articulated seat 9 articulates there is frame 11, and the articulated seat of second 12 is installed to the bottom surface opposite side of frame 11, and the bottom surface mounting of returning face plate 8 has electric telescopic handle 13, and third articulated seat 14 is installed on electric telescopic handle 13's piston rod top, is connected with bracing piece 15 between third articulated seat 14 and the articulated seat of second 12, and the internally mounted of frame 11 has solar photovoltaic board 16.
Further, a plurality of screw thread blocks 17 are evenly installed to the both sides of frame 11, the top of frame 11 is pressed and is covered with a frame 18, a plurality of threaded rods 19 have evenly been run through to the both sides of frame 18, and threaded rod 19 runs through and extends to screw thread block 17 inside, light inlet 20 has been opened on the surface of frame 18, light inlet 20's inner wall both sides all have the equipment groove 21, the inside card of equipment groove 21 has inlayed convex lens 22, light inlet 20's top is provided with protective baffle 23.
The inside of equipment groove 21 is provided with the rubber strip and carries out the centre gripping to convex lens 22, can be to the more stable centre gripping of convex lens 22, also avoids damaging convex lens 22 simultaneously, and convex lens 22 and protection baffle 23 are the resin material and make, have effectively reduced holistic weight, compare glass simultaneously and also more economical and practical.
The top frame 18 is made of an aluminum alloy frame, and the inside of the top frame is of a hollow structure, so that the weight of the top frame 18 is further reduced, and the support strength is met and the top frame is convenient to mount.
The control host is internally provided with a single chip microcomputer, an analog-to-digital converter and a communication module, the bottom end surface of the outer frame 11 is provided with a gyroscope 24, the top end surface of the turnover plate 8 is provided with an angle sensor 25, the single chip microcomputer comprises a main single chip microcomputer and a secondary single chip microcomputer, and the main single chip microcomputer is connected with the secondary single chip microcomputer through a serial port-to-single bus.
The top surface of mount table 1 is provided with installation coupling assembling, and the bottom apex angle department of mount table 1 is connected with lower plate 26 through the bracing piece, and lower plate 26's surface size is the same with mount table 1, and lower plate 26's bottom surface mounting has supporting leg 27.
Specifically, the top frame 18 is connected with the thread block 17 on the outer frame 11 through the thread rod 19, so as to complete assembly, and when the solar photovoltaic panel 16 receives sunlight irradiation, the sunlight firstly passes through the protective partition plate 23, then passes through the convex lens 22 to gather light beams, and finally irradiates the surface of the solar photovoltaic panel 16 from the light inlet 20, so that the effect of improving light energy power generation is achieved; meanwhile, in order to further improve the illumination effect, the inclination angle of the solar photovoltaic panel 16 can be adjusted through the control host, the gyroscope 24 detects the overturning included angle of the outer frame 11 part, namely the current horizontal angle of the photovoltaic panel, the angle sensor 25 detects the inclination angle of the overturning plate 8, namely the current longitudinal angle of the photovoltaic panel, the data is transmitted to the main singlechip after the state of the photovoltaic panel is detected, the main singlechip feeds the data back to a remote workstation through a wireless communication module, a control instruction is issued remotely, the communication mode of the main singlechip is converted into a single-bus communication mode through a serial port to single-bus conversion circuit and then is transmitted to the secondary singlechip, the secondary singlechip controls the peripheral rotating motor 2 and the electric telescopic rod 13 through an analog-to-digital converter, the rotating motor 2 drives the transmission rod 4 through the coupler 3, and the transmission rod 4 rotates to drive the clamping transverse plate 7, the transverse clamping plate 7 drives the turnover plate 8 to turn left and right, so that the photovoltaic panel rotates in the circumferential direction to adjust the angle; the electric telescopic rod 13 is pushed outwards to push the support rod 15 forwards, and then the support rod 15 is gradually erected, so that one side of the outer frame 11 is pushed, and the photovoltaic panel is inclined towards one side of the first hinge seat 9; the solar photovoltaic panel 16 can obtain the optimal illumination angle in the daytime by adjusting the angles in two directions, so that the light energy efficiency is greatly improved; in the embodiment, the main singlechip is STM32, the wireless communication module BOY-CM, and the secondary singlechip is STM 8; meanwhile, the mode of single chip microcomputer control is removed, and the single chip microcomputer control can be independently adjusted in a field remote control mode, which is conventional control adjustment; in the process of building the assembly, the mounting table 1 can be selectively mounted at a high position in a hoisting mode, or the lower bottom plate 26 and the supporting legs 27 are mounted at the bottom of the mounting table 1 and can be placed on the ground for use, and the mounting table can be freely selected according to different use scenes. .
According to the solar photovoltaic panel, the turnover plate is rotated in the circumferential direction, and the outer frame is lifted to one side, so that the angle of the solar photovoltaic panel is adjusted, and a better illumination angle can be obtained; meanwhile, the illumination intensity can be improved through the convex lens in the top frame, so that the power generation efficiency of the solar photovoltaic panel is improved; meanwhile, the lifting or landing mode can be adopted for installation, and the use is more convenient.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a solar photovoltaic board's light energy efficiency promotes subassembly, includes mount table (1) and the main control system who is located mount table (1) bottom, a serial communication port, mount table (1) is regular polygon structure, the bottom of mount table (1) is the annular partition and arranges and install a plurality of rotating electrical machines (2), shaft coupling (3) are installed to the output shaft of rotating electrical machines (2), transfer line (4) are installed to the other end of shaft coupling (3), bearing (5) have been cup jointed on the outer end surface of transfer line (4), bearing frame (6) have been cup jointed on the outer end surface of bearing (5), and bearing frame (6) are fixed with the bottom of mount table (1) and link to each other, centre gripping diaphragm (7) are installed to the other end of transfer line (4), the inside fixed centre gripping of centre gripping diaphragm (7) has returning face plate (8), one side that the top surface of returning face plate (8) is close to centre gripping diaphragm (7) is installed first seat and is articulated (8) 9) The utility model discloses a solar energy photovoltaic panel, bumper pad (10) are installed to one side that first articulated seat (9) was kept away from to the top surface of returning face plate (8), the top of first articulated seat (9) articulates there is frame (11), the articulated seat of second (12) is installed to the bottom surface opposite side of frame (11), the bottom surface mounting of returning face plate (8) has electric telescopic handle (13), third articulated seat (14) are installed on the piston rod top of electric telescopic handle (13), be connected with bracing piece (15) between third articulated seat (14) and the articulated seat of second (12), the internally mounted of frame (11) has solar photovoltaic board (16).
2. The light energy efficiency improving assembly of the solar photovoltaic panel as claimed in claim 1, wherein a plurality of thread blocks (17) are uniformly installed on two sides of the outer frame (11), a top frame (18) is pressed on the top end of the outer frame (11), a plurality of threaded rods (19) are uniformly penetrated through two sides of the top frame (18), the threaded rods (19) penetrate through and extend to the inside of the thread blocks (17), a light inlet (20) is formed in the surface of the top frame (18), assembling grooves (21) are formed in two sides of the inner wall of the light inlet (20), convex lenses (22) are embedded in the assembling grooves (21), and a protective partition plate (23) is arranged on the top of the light inlet (20).
3. The light energy efficiency improving assembly of the solar photovoltaic panel as claimed in claim 2, wherein a rubber strip is arranged inside the assembling groove (21) to clamp the convex lens (22), and the convex lens (22) and the protective partition plate (23) are made of resin.
4. The light energy efficiency improving component of the solar photovoltaic panel as claimed in claim 3, wherein the top frame (18) is made of aluminum alloy frame and has a hollow structure inside.
5. The light energy efficiency improving assembly of the solar photovoltaic panel as claimed in claim 1, wherein a single chip microcomputer, an analog-to-digital converter and a communication module are installed inside the control host, a gyroscope (24) is installed on the surface of the bottom end of the outer frame (11), an angle sensor (25) is installed on the surface of the top end of the turnover plate (8), the single chip microcomputer comprises a main single chip microcomputer and a secondary single chip microcomputer, and the main single chip microcomputer and the secondary single chip microcomputer are connected through a serial port to single bus.
6. The light energy efficiency improving assembly of the solar photovoltaic panel as claimed in claim 1, wherein the top surface of the mounting table (1) is provided with a mounting and connecting assembly, the bottom vertex angle of the mounting table (1) is connected with a lower bottom plate (26) through a supporting rod, the surface size of the lower bottom plate (26) is the same as that of the mounting table (1), and the bottom surface of the lower bottom plate (26) is provided with supporting legs (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210254989.3A CN114614757A (en) | 2022-03-15 | 2022-03-15 | Light energy efficiency improving assembly of solar photovoltaic panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210254989.3A CN114614757A (en) | 2022-03-15 | 2022-03-15 | Light energy efficiency improving assembly of solar photovoltaic panel |
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| Publication Number | Publication Date |
|---|---|
| CN114614757A true CN114614757A (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210254989.3A Pending CN114614757A (en) | 2022-03-15 | 2022-03-15 | Light energy efficiency improving assembly of solar photovoltaic panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116208068A (en) * | 2023-05-06 | 2023-06-02 | 泉州七星电气有限公司 | Energy-saving environment-friendly power supply and storage equipment with solar photovoltaic power generation system |
-
2022
- 2022-03-15 CN CN202210254989.3A patent/CN114614757A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116208068A (en) * | 2023-05-06 | 2023-06-02 | 泉州七星电气有限公司 | Energy-saving environment-friendly power supply and storage equipment with solar photovoltaic power generation system |
| CN116208068B (en) * | 2023-05-06 | 2023-08-18 | 泉州七星电气有限公司 | Energy-saving environment-friendly power supply and storage equipment with solar photovoltaic power generation system |
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