CN117262140B - Photovoltaic module strutting arrangement and photovoltaic power plant - Google Patents
Photovoltaic module strutting arrangement and photovoltaic power plant Download PDFInfo
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- CN117262140B CN117262140B CN202311531844.4A CN202311531844A CN117262140B CN 117262140 B CN117262140 B CN 117262140B CN 202311531844 A CN202311531844 A CN 202311531844A CN 117262140 B CN117262140 B CN 117262140B
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- 238000007667 floating Methods 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000003491 array Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 30
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000035622 drinking Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- 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
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4453—Floating structures carrying electric power plants for converting solar energy into electric 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a photovoltaic module supporting device and a photovoltaic power station, and belongs to the technical field of water surface floating power generation systems. The photovoltaic floating device comprises a strip pontoon, a positioning pontoon, a clamping row and a photovoltaic supporting pedestal; the strip pontoon comprises a middle pontoon, side pontoons and end pontoons; the middle part of the positioning pontoon is integrally provided with a circular through groove; two sliding grooves are axially formed in the inner wall of the through groove; the bottom of the through groove is integrally provided with two bayonets; the clamping row comprises a strip grid body; limiting holes are formed in two ends of the strip-shaped grating body, and pin posts are movably embedded in the limiting holes; a limit nut is arranged at the end part of the pin; the pin column is pressed with the top surface of the clamping hook; according to the photovoltaic module supporting device and the photovoltaic power station, the supporting devices can be connected into a whole transversely and longitudinally to form the floating supporting system, the supporting devices are high in wind resistance and wave resistance, and the supporting devices of the adjacent rows of photovoltaic modules can be separated during operation and maintenance, so that the photovoltaic modules can enter the position of a photovoltaic panel to be operated and maintained conveniently.
Description
Technical Field
The invention particularly relates to a photovoltaic module supporting device and a photovoltaic power station, and belongs to the technical field of water surface floating power generation systems.
Background
Along with the rapid growth of photovoltaic power stations, the photovoltaic power stations are built on a plurality of installation occasions, such as water surface floating photovoltaic power stations, can be used for various scenes such as drinking reservoirs, hydropower station reservoirs, offshore waters, extremely cold areas and the like, are widely accepted in the aspects of safety, reliability and environmental protection, when a photovoltaic module is installed on the water surface, the photovoltaic module is required to be supported through a supporting structure, the existing photovoltaic module supporting device mainly adopts a high-performance reinforced concrete buoyancy tank, and the problems of poor durability and low node strength of the buoyancy tank can be effectively solved due to the reinforced concrete buoyancy tank, and the reinforced concrete buoyancy tank is heavy in weight and inconvenient to transport; for this purpose, chinese patent publication No.: CN113788115a discloses a photovoltaic module supporting device and a photovoltaic power station, wherein the photovoltaic module supporting device is used for a water surface floating system and comprises a frame and a waterproof membrane, and the frame is a folding frame; the frame is provided with a spreading state for spreading the waterproof membrane and a folding state which is arranged in a superposition way, and the volume of the photovoltaic module supporting device is larger than that of the photovoltaic module supporting device in the spreading state; when the photovoltaic module supporting device is transported, the frame is in a folded state, and when the photovoltaic module supporting device is transported to a designated position for use, the frame is unfolded and is in a supporting state; the structure can be unfolded and folded, and can be conveniently transported; however, after the supporting structures are arranged on the water surface, the supporting buoyancy is general, each supporting device is in an independent state and cannot be integrally connected, the wind resistance and the wave resistance are general, and the operation and the maintenance of the photovoltaic module on each supporting structure are inconvenient.
Disclosure of Invention
In order to solve the problems, the invention provides a photovoltaic module supporting device which has strong wind resistance and wave resistance and is convenient to enter a photovoltaic module position to be operated and maintained.
The invention relates to a photovoltaic module supporting device and a photovoltaic power station, comprising:
the long-strip pontoon comprises a middle pontoon, side pontoons and end pontoons; the middle pontoon and the side pontoon comprise a pontoon body, and two earhole seats are integrally formed at two ends of the pontoon body; the four earhole seats are arranged diagonally, and the earhole seats at the two ends of the pontoon body are arranged vertically in a staggered manner; the front side and the rear side of the pontoon body are opposite to each other and are integrally provided with two grooves; the inner side of the groove of the middle pontoon is integrally provided with a pore plate; the inner side of the groove at one side of the side floating cylinder is integrally provided with a pore plate, and the bottom of the groove at the other side of the side floating cylinder is integrally provided with an extension part; the end pontoon is formed by integrally manufacturing clamping hooks at the bottoms of the two ends of the side pontoon;
the positioning pontoon is of a square structure, and a circular through groove is integrally formed in the middle of the positioning pontoon; two sliding grooves are axially formed in the inner wall of the through groove; the bottom of the through groove is integrally provided with two bayonets; the bayonet and the chute are arranged in a staggered way; the four ends of the positioning pontoon are provided with protruding parts; the convex part is movably embedded with the upper part of the groove; the convex part is provided with a perforation; the perforation is fastened with the pore plate through bolts and nuts;
the side floating cylinders are connected to form side floating cylinder rows, and two ends of each side floating cylinder row are connected with one end floating cylinder; two sides of one middle floating row are provided with two side floating cylinder rows; the positioning pontoon is arranged between the middle pontoon and the side pontoon;
the card row comprises a strip grid body; the two ends of the strip-shaped grating body are hollow structures, and after the extension parts of the two adjacent rows of side floating cylinder rows are mutually attached, the extension parts are embedded into the grating grooves of the strip-shaped grating body, the two ends of the strip-shaped grating body are provided with limiting holes, and pin columns are movably embedded into the limiting holes; a limit nut is arranged at the end part of the pin; the pin posts are movably clamped with the top surfaces of the clamping hooks; the extending parts of the side pontoon rows and the clamping hooks of the end pontoons are embedded into the grille grooves of the strip grille body, and the clamping hooks on the end pontoons are synchronously floated due to the buoyancy effect of the side pontoon rows and the end pontoons, and the clamping hooks are limited by the pin columns when floating upwards; preventing the floating pontoon at the end from floating upwards to separate from the long-strip grille body;
the photovoltaic support pedestal comprises a column body which is embedded with the through groove; the bottom of the cylinder is integrally provided with a sliding block which is embedded with the sliding groove; the sliding block is screwed to the bayonet after sliding through the sliding groove; the top surface of the column body is integrally provided with a supporting platform; the cylinder is sleeved with a spring body between the positioning buoy and the supporting platform; the photovoltaic module is arranged on the supporting platform; the sliding block of the column body passes through the through groove through the sliding groove, the sliding block is separated from the through groove, then the column body is screwed, the sliding block is matched with the bayonet in an alignment manner, and the column body can be installed and limited through the tight propping limit of the spring body; the top of the column body is provided with a supporting platform which can integrally support the photovoltaic module; after the cylinder is installed, the cylinder can be circumferentially limited and axially limited.
Further, the photovoltaic module comprises a supporting frame, sloping blocks are fixed at four ends of the supporting frame, and the supporting frame is fastened with the top surface of the supporting platform through fasteners; the slope block is fixed with a pin seat body through a bolt; the pin seat body is fastened with the mounting seat of the photovoltaic panel through bolts and nuts; the photovoltaic panel can be integrally supported through the supporting frame, and the photovoltaic panel can achieve a set inclination shape due to the slope structure of the slope block; thereby achieving better photoelectric conversion efficiency.
Further, the two ends of one side of the strip grid body are integrally provided with a first supporting plate; two through holes are formed in the first supporting plate; the earhole seat at one end of the end pontoon far away from the side pontoon row penetrates through the inverted U-shaped compression bar; the bottom of the pressure rod is provided with a thread section; the thread section passes through the perforation and is screwed with a nut body tightly propped against the bottom surface of the first supporting plate; the compression bar is provided with an upper position adjusting hole and a lower position adjusting hole; limiting bolts are movably arranged in the upper position adjusting hole and the lower position adjusting hole; the end part of the limiting bolt is provided with an anti-drop nut; when maintenance and operation are needed, adjacent side pontoon rows corresponding to the photovoltaic modules are separated, and the method specifically comprises the following steps: screwing down the limit nut and pulling out the pin from the limit hole; at this time, the clamping hook is not limited by the pin; then, the anti-drop nut is screwed out, and the limiting bolt at the inner side of the lower positioning hole is pulled out; then pressing the compression bars at two sides synchronously, and pressing the first supporting plate downwards by the compression bars so as to drive the strip grating bodies to synchronously press downwards, and pressing the upper position adjusting holes to the bottoms of the earhole seats; inserting a limiting bolt into the upper position adjusting hole, and screwing an anti-falling nut; at the moment, the extension part is separated from the long-strip grid body, so that adjacent side pontoon rows can be separated, and operation and maintenance personnel enter the separation channel in a boating or traction floating platform mode and enter the position of the photovoltaic module with operation and maintenance or overhaul; after the operation and maintenance are completed, adjacent side pontoon rows are combined into a whole, and the limiting bolt is disassembled; then, lifting the first supporting plate by a pressure rod, enabling the first supporting plate to be attached to the bottom of the side floating cylinder, inserting the first supporting plate into the lower position adjusting hole by a limiting bolt, attaching the limiting bolt to the top surface of the earhole seat, and screwing in an anti-drop nut; finally, the two side floating cylinder rows are limited and locked again through the pin posts and the limiting nuts.
Further, limiting pins are arranged on opposite sides of the strip grid body on the second supporting plate; the limiting pin is in counterpoint grafting with an earhole seat of the end buoy; after the limiting pin and the earhole seat are inserted and limited, adjacent side pontoon rows are assembled into a whole.
Further, the long-strip grille body is made of stainless steel square tubes; an air bag cavity seat is arranged at the outer side of the strip grating body, an air bag body is arranged at the inner side of the air bag cavity seat, and an air tap is arranged at the end part of the air bag body; when operation and maintenance or overhaul are required, the air bag body is deflated through the air tap, and the long-strip grille body is subjected to the action of gravity, so that the long-strip grille body can automatically sink and is separated from the extension part; thereby separating adjacent side pontoon rows; when the maintenance or operation is completed, adjacent side pontoon rows are combined in a fitting way, the long-strip grille body is abutted to the extension part, and then the air bag body is pressurized and inflated through the air tap.
Further, adjacent intermediate pontoons are in butt joint through the earhole seats and are fastened through bolts and nuts; the adjacent side floating cylinders are in butt joint through the earhole seats and are fastened through bolts and nuts; because the earhole seats of the middle pontoon and the side pontoon are staggered up and down, the earhole seats of the adjacent middle pontoon or the adjacent side pontoon can be attached up and down and are integrally fastened through bolts and nuts, and a whole row of middle pontoon rows or side pontoon rows is formed.
Further, the top surface of the supporting platform is integrally provided with a converging cavity seat; a top cover is fixed on the confluence cavity seat through bolts; a sealing ring is arranged between the top cover and the converging cavity seat; the top surface of the top cover is provided with an incoming waterproof joint and an outgoing waterproof joint; the incoming line waterproof connector penetrates through an incoming line; one end of the incoming line is connected with the photovoltaic panel bus; the other end is connected to the combiner; the outgoing line waterproof connector passes through the outgoing line; one end of the outgoing line is connected to the combiner, and the other end of the outgoing line is connected to the grid-connected bus; the collector collects the electric energy output by each photovoltaic array of the whole photovoltaic panel and outputs the electric energy to the grid-connected bus through the outgoing line; the current collector is sealed through backward flow chamber seat and top cap, and the business turn over line of current collector carries out the waterproof treatment through inlet wire waterproof joint and outlet wire waterproof joint.
Further, the combiner is connected with a voltage transmitter in parallel at the outgoing line; the voltage transmitter is connected to the data concentrator through a signal wire, and the data concentrator is connected to the monitoring terminal through an optical cable or wireless communication; the voltage transmitter collects output voltage of the combiner in real time, an output port of the voltage transmitter transmits collected data to the data concentrator through a signal line, the data concentrator is uploaded to the monitoring terminal, the monitoring terminal performs average value taking on the collected data, difference value calculation on each collected data and the average value data is performed, when the difference value reaches a set value, the voltage data is alarmed, the photovoltaic combiner corresponding to the voltage data is inquired according to a data transmission path, and operation and maintenance staff is reminded of overhauling the combiner.
A photovoltaic power plant comprising a photovoltaic module support device arranged on a water surface; the middle floating row, the two side floating cylinder rows and the two positioning floating cylinders form a supporting array; the two side floating cylinder rows are arranged on two sides of the middle floating cylinder row, and one row of the positioning floating cylinders is arranged between one side floating cylinder row and the middle floating row; the other row of positioning pontoons is arranged between the other side pontoon row and the middle pontoon row; the side floating cylinder row and the middle floating row are assembled into a whole through the positioning floating cylinder; when in assembly, the convex parts of the positioning pontoons are aligned and embedded on the grooves of the pontoon bodies of the middle pontoon row and the side pontoon row aligned with the convex parts, and are fastened and assembled into a whole through bolts and nuts; a plurality of groups of support arrays are arranged on the water surface, and adjacent support arrays are installed through clamping rows and clamping joints. Paving the whole water surface through a plurality of groups of support arrays, and reserving an operation and maintenance space on the water surface; during operation and maintenance, the clamping row at the operation and maintenance position is separated from the side buoy row, and the photovoltaic power station is separated into two groups by a traction mode due to the buoyancy effect of the water surface, and one group which is drawn enters a reserved operation and maintenance space, so that a separation channel is formed between the two groups which are separated by the photovoltaic power station; the operation and maintenance personnel enter the separation channel in a boating or floating bridge mode and travel to a photovoltaic module supporting device needing operation and maintenance; and after the operation and maintenance are finished, the photovoltaic power stations are combined into a whole again, and the limit is carried out through the clamping bars.
Further, one data collector is arranged on each support array; the data collector is connected to the data concentrator through a signal wire or wirelessly, receives voltage transmission data of all the collectors on the whole support array, transmits the voltage data to the data concentrator, and finally uploads the data concentrator to the monitoring terminal, and when a certain voltage data is abnormal, the monitoring terminal gives an alarm to remind the photovoltaic power station of entering operation and maintenance.
Compared with the prior art, the photovoltaic module supporting device and the photovoltaic power station can be used for connecting the supporting device into a whole transversely and longitudinally to form the whole floating supporting system, the supporting device has strong wind resistance and wave resistance, and the supporting devices of the photovoltaic modules in adjacent rows can be separated during operation and maintenance, so that the photovoltaic modules enter the position to be operated and maintained conveniently.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the intermediate buoy of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the front side of the side floating cylinder.
FIG. 3 is a schematic view of the entire rear side of the side pontoon according to the invention.
Fig. 4 is a schematic view of the overall structure of the end pontoon according to the invention.
FIG. 5 is a schematic view of the installation structure of the middle pontoon, the side pontoon and the positioning pontoon according to the invention.
FIG. 6 is a schematic view of the intermediate float and positioning float installation structure of the present invention.
Fig. 7 is a schematic view of a side floating cylinder row structure of the present invention.
FIG. 8 is a schematic view of the side pontoon row and end pontoon mounting structure of the invention.
Fig. 9 is a schematic view of the photovoltaic support stand and positioning buoy mounting structure of the present invention.
Fig. 10 is a schematic view of the photovoltaic support stand and photovoltaic panel mounting structure of the present invention.
FIG. 11 is a schematic view of the mounting structure of the card row and two side floating cylinder rows of the present invention.
Fig. 12 is a schematic view of the mounting structure of the elongated grating body, the second pallet and the stopper pin according to the present invention.
FIG. 13 is a schematic view of the mounting structure of the card row, the airbag cavity seat and the airbag body of the invention.
Fig. 14 is a schematic view of the photovoltaic support stand, the manifold housing and the top cover mounting structure of the present invention.
FIG. 15 is a schematic view of a support array structure according to the present invention.
FIG. 16 is a schematic view showing a structure of the present invention in which two support arrays are combined and mounted on the water surface.
FIG. 17 is a schematic view of a structure of the present invention with two support arrays mounted on the water surface in a separated state.
Reference numerals: 1. the device comprises a middle pontoon, 2, a side pontoon, 3, a end pontoon, 4, a lug seat, 5, a groove, 6, a pore plate, 7, an extension part, 8, a clamping hook, 9, a positioning pontoon, 10, a through groove, 11, a sliding groove, 12, a bayonet, 13, a bulge, 14, a middle pontoon, 15, a side pontoon, 16, a long-strip grid body, 17, a pin, 18, a limit nut, 19, a cylinder, 20, a sliding block, 21, a supporting platform, 22, a spring body, 23, a supporting frame, 24, a slope block, 25, a pin seat, 26, a photovoltaic panel, 27, a first supporting plate, 28, a pressing rod, 29, an upper positioning hole, 30, a lower positioning hole, 31, a limit bolt, 32, a anti-disengaging nut, 33, a second supporting plate, 34, a limit pin, 35, an air bag cavity seat, 36, an air bag body, 37, an air nozzle, 38, a confluence cavity seat, 39, a top cover, 40, an inlet waterproof connector, 41, an outlet waterproof connector, 42, a water surface, 43, a separation channel, 44 and an operation and maintenance space.
Detailed Description
Example 1:
the photovoltaic module supporting apparatus as shown in fig. 1 to 14 includes:
the long-strip pontoon comprises a middle pontoon 1, side pontoons 2 and end pontoons 3; the middle pontoon 1 and the side pontoon 2 comprise pontoon bodies, and two earhole seats 4 are integrally formed at two ends of the pontoon bodies; the four earhole seats 4 are diagonally arranged, and the earhole seats 4 at the two ends of the pontoon body are vertically staggered; the front side and the rear side of the pontoon body are opposite to each other and are integrally provided with two grooves 5; the inner side of the groove 5 of the middle pontoon 1 is integrally provided with a pore plate 6; the inner side of the groove 5 on one side of the side floating cylinder 2 is integrally provided with a pore plate 6, and the bottom of the groove 5 on the other side of the side floating cylinder 2 is integrally provided with an extension part 7; the end pontoon 3 is formed by integrally manufacturing clamping hooks 8 at the bottoms of the two ends of the side pontoon 2;
the positioning pontoon 9 is of a square structure, and a circular through groove 10 is integrally formed in the middle of the positioning pontoon 9; two sliding grooves 11 are axially formed in the inner wall of the through groove 10; two bayonets 12 are integrally formed at the bottom of the through groove 10; the bayonet 12 and the chute 11 are arranged in a staggered way; the four ends of the positioning pontoon 9 are provided with protruding parts 13; the convex part 13 is movably embedded with the upper part of the groove 5; the convex part 13 is provided with a perforation; the through holes are fastened with the pore plate 6 through bolts and nuts;
a plurality of middle floating drums 1 are connected to form a middle floating row 14, a plurality of side floating drums 2 are connected to form side floating drum rows 15, and two ends of each side floating drum row 15 are connected with one end floating drum 3; when the end pontoon 3 is mounted with the side pontoon 2 at the end of the side pontoon row 15, the earhole seat 4 of the side pontoon 2 is jointed with the earhole seat 4 of the end pontoon 3 up and down, and then the two jointed earhole seats 4 are fastened through bolts and nuts; two side pontoon rows 15 are arranged on two sides of one middle pontoon row 14; the positioning pontoon 9 is arranged between the middle pontoon 1 and the side pontoon 2;
a card row including an elongated grid body 16; the two ends of the strip-shaped grating body 16 are hollow structures, after the extension parts 7 of the two adjacent rows of side floating cylinder rows 15 are mutually attached, the extension parts are movably embedded into the grating grooves of the strip-shaped grating body 16, the two ends of the strip-shaped grating body 16 are provided with limiting holes, and pin posts 17 are movably embedded into the limiting holes; a limit nut 18 is arranged at the end part of the pin 17; the pin 17 is movably clamped with the top surface of the clamping hook 8; the extension part 7 of the side pontoon row 15 and the clamping hook 8 of the end pontoon 3 are embedded into the grating groove of the strip grating body 16, and the clamping hook 8 on the end pontoon 3 is synchronously floated due to the buoyancy effect of the side pontoon row 15 and the end pontoon 3, and the clamping hook 8 is limited by the pin 17 when floating upwards; preventing the end pontoon 3 from floating upward and separating from the elongated grating body 16;
a photovoltaic support pedestal including a column 19 fitted with the through groove 10; the bottom of the column 19 is integrally provided with a sliding block 20 which is embedded with the sliding groove 11; after sliding through the sliding groove 11, the sliding block 20 is screwed to the bayonet 12; the top surface of the column body 19 is integrally provided with a supporting platform 21; the column 19 is sleeved with a spring body 22 between the positioning buoy 9 and the supporting platform 21; the photovoltaic module is arranged on the supporting platform 21; the sliding block 20 of the column 19 passes through the through groove 10 through the sliding groove 11, the sliding block 20 is separated from the through groove 10, then the column 19 is screwed, the sliding block 20 is matched with the bayonet 12 in an aligned mode, and the column 19 can be installed and limited through the tight pushing limit of the spring body 22; the top of the column 19 is provided with a supporting platform 21 which can integrally support the photovoltaic module; post 19 can be circumferentially limited and axially limited after installation.
The photovoltaic module comprises a supporting frame 23, sloping blocks 24 are fixed at four ends of the supporting frame 23, and the supporting frame 23 is fastened with the top surface of the supporting platform 21 through fasteners; the slope surface block 24 is fixedly provided with a pin seat body 25 through bolts; the pin seat body 25 is fastened with a mounting seat of the photovoltaic panel 26 through bolts and nuts; the photovoltaic panel 26 can be integrally supported by the support frame 23, and the slope surface structure of the slope surface block 24 can enable the photovoltaic panel 26 to achieve a set inclination shape; thereby achieving better photoelectric conversion efficiency.
The two ends of one side of the strip grille body 16 are integrally provided with a first supporting plate 27; two through holes are formed in the first supporting plate 27; the earhole seat 4 at one end of the end pontoon 3 far away from the side pontoon row 15 passes through the inverted U-shaped compression bar 28; the bottom of the pressure lever 28 is provided with a thread section; the thread section passes through the perforation and is screwed with a nut body tightly propped against the bottom surface of the first supporting plate 27; the pressure lever 28 is provided with an upper position adjusting hole 29 and a lower position adjusting hole 30; limiting bolts 31 are movably arranged in the upper positioning holes 29 and the lower positioning holes 30; the end part of the limiting bolt 31 is provided with an anti-drop nut 32; when maintenance and operation are needed, the adjacent side pontoon rows 15 corresponding to the photovoltaic modules are separated, specifically: the limiting nut 18 is screwed down, and the pin 17 is pulled out of the limiting hole; at this time, the hook 8 is not limited by the pin 17; then, the anti-drop nut 32 is unscrewed, and the limit bolt 31 at the inner side of the lower positioning hole 30 is pulled out; then the pressing rods 28 on the two sides are synchronously pressed down, the first supporting plate 27 is pressed down by the pressing rods 28, so that the strip grille body 16 is driven to be synchronously pressed down, and the upper position adjusting holes 29 are pressed down to the bottom of the earhole seat 4; inserting a limit plug 31 into the upper position adjusting hole 29, and screwing a drop-preventing nut 32; at this time, the extension part 7 is separated from the long-strip grid body 16, so that the adjacent side pontoon rows 15 can be separated to form separation channels 43, and operation and maintenance personnel enter the separation channels 43 in a rowing or traction floating platform mode and enter the position of the photovoltaic module with operation and maintenance or overhaul; after the operation and maintenance are completed, the adjacent side pontoon rows 15 are combined into a whole, and the limiting bolt 31 is detached; then, the first supporting plate 27 is lifted up through the pressure bar 28 to be attached to the bottom of the side floating cylinder 2, and is inserted into the lower position adjusting hole 30 through the limiting bolt 31, the limiting bolt 31 is attached to the top surface of the earhole seat 4, and the anti-drop nut 32 is screwed in; finally, the two side floating cylinder rows 15 are locked again in a limiting mode through the pin 17 and the limiting nut 18.
A limiting pin 34 is arranged on the opposite side of the second supporting plate 33 of the strip grid body 16; the limiting pin 34 is inserted into the earhole seat 4 of the end buoy 3 in a aligned manner; after the limiting pin 34 and the earhole seat 4 are inserted and limited, the adjacent side pontoon rows 15 are assembled into a whole.
The long-strip grille body 16 is made of stainless steel square tubes; an air bag cavity seat 35 is arranged on the outer side of the strip grille body 16, an air bag body 36 is arranged on the inner side of the air bag cavity seat 35, and an air tap 37 is arranged at the end part of the air bag body 36; when operation and maintenance or overhaul is required, the air bag body 36 is deflated through the air tap 37, and the long-strip grille body 16 is subjected to the action of gravity, so that the long-strip grille body 16 can automatically sink and is separated from the extension part 7; so that adjacent side pontoon rows 15 can be separated; when the maintenance or operation is completed, the adjacent side pontoon rows 15 are bonded and combined, the long-strip grille body 16 is abutted against the extension portion 7, and then the air bag body 36 is pressurized and inflated through the air tap 37.
The adjacent middle pontoons 1 are butted through the earhole seats 4 and are fastened through bolts and nuts; the adjacent side pontoons 2 are butted through the earhole seats 4 and are fastened through bolts and nuts; because the earhole seats 4 of the middle pontoon 1 and the side pontoons 2 are staggered up and down, the earhole seats 4 of the adjacent middle pontoon 1 or the adjacent side pontoons 2 can be attached up and down and are integrally fastened through bolts and nuts to form a whole row of middle pontoon rows 14 or side pontoon rows 15.
The top surface of the supporting platform 21 is integrally provided with a converging cavity seat 38; a top cover 39 is fixed on the confluence cavity seat 38 through bolts; a sealing ring is arranged between the top cover 39 and the converging cavity seat 38; the top surface of the top cover 39 is provided with an incoming waterproof joint 40 and an outgoing waterproof joint 41; the incoming waterproof joint 40 passes through the incoming wire; one end of the incoming line is connected with a bus of the photovoltaic panel 26; the other end is connected to the combiner; the outgoing line waterproof connector 41 passes through the outgoing line; one end of the outgoing line is connected to the combiner, and the other end of the outgoing line is connected to the grid-connected bus; the collector collects the electric energy output by each photovoltaic array of the whole photovoltaic panel 26 and outputs the electric energy to the grid-connected bus through the outgoing line; the current collector is sealed by the reflow chamber seat and the top cover 39, and the inlet and outlet wires of the current collector are subjected to waterproof treatment by the inlet wire waterproof joint 40 and the outlet wire waterproof joint 41.
The junction of the collector and the outgoing line is connected with a voltage transmitter in parallel; the voltage transmitter is connected to the data concentrator through a signal wire, and the data concentrator is connected to the monitoring terminal through an optical cable or wireless communication; the voltage transmitter collects output voltage of the combiner in real time, an output port of the voltage transmitter transmits collected data to the data concentrator through a signal line, the data concentrator is uploaded to the monitoring terminal, the monitoring terminal performs average value taking on the collected data, difference value calculation on each collected data and the average value data is performed, when the difference value reaches a set value, the voltage data is alarmed, the photovoltaic combiner corresponding to the voltage data is inquired according to a data transmission path, and operation and maintenance staff is reminded of overhauling the combiner.
The photovoltaic power plant as shown in fig. 15 to 17, comprises a photovoltaic module support arranged on a water surface 42;
one middle float row 14, two side float rows 15 and two positioning float cylinders 9 form a supporting array; two side float rows 15 are arranged on two sides of the middle float row 14, and one row of positioning floats 9 is arranged between one side float row 15 and the middle float row 14; the other row of positioning pontoons 9 is arranged between the other side pontoon row 15 and the middle pontoon row 14; the side floating cylinder row 15 and the middle floating cylinder row 14 are assembled into a whole through the positioning floating cylinders 9; during assembly, the convex parts 13 of the positioning pontoons 9 are aligned and embedded on the grooves 5 of the pontoon bodies of the middle pontoon row 14 and the side pontoon row 15 aligned with the convex parts, and are assembled into a whole through bolt and nut fastening; a plurality of groups of support arrays are arranged on the water surface 42, and adjacent support arrays are installed in a clamping way through clamping rows; the whole water surface 42 is paved through a plurality of groups of support arrays, an operation space 44 is reserved on the water surface 42, during operation, the clamping row at the operation position is separated from the side buoy row 15, and the photovoltaic power station is separated into two groups by a traction mode due to the buoyancy effect of the water surface 42, and one group which is drawn enters the reserved operation space 44, so that a separation channel 43 is formed between the two groups which are separated by the photovoltaic power station; the operation and maintenance personnel enter the separation channel 43 in a boating or floating bridge mode and travel to a photovoltaic module supporting device needing operation and maintenance; and after the operation and maintenance are finished, the photovoltaic power stations are combined into a whole again, and the limit is carried out through the clamping bars.
A data collector is arranged on each supporting array; the data collector is connected to the data concentrator through a signal wire or wirelessly, receives voltage transmission data of all the collectors on the whole support array, transmits the voltage data to the data concentrator, and finally uploads the data concentrator to the monitoring terminal, and when a certain voltage data is abnormal, the monitoring terminal gives an alarm to remind the photovoltaic power station of entering operation and maintenance.
The above embodiments are merely preferred embodiments of the present invention, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are therefore intended to be embraced therein.
Claims (9)
1. A photovoltaic module strutting arrangement, its characterized in that: comprising the following steps:
the long-strip pontoon comprises a middle pontoon, side pontoons and end pontoons; the middle pontoon and the side pontoon comprise a pontoon body, and two earhole seats are integrally formed at two ends of the pontoon body; the four earhole seats are arranged diagonally, and the earhole seats at the two ends of the pontoon body are arranged vertically in a staggered manner; the front side and the rear side of the pontoon body are opposite to each other and are integrally provided with two grooves; the inner side of the groove of the middle pontoon is integrally provided with a pore plate; the inner side of the groove at one side of the side floating cylinder is integrally provided with a pore plate, and the bottom of the groove at the other side of the side floating cylinder is integrally provided with an extension part; the end pontoon is formed by integrally manufacturing clamping hooks at the bottoms of the two ends of the side pontoon;
the positioning pontoon is of a square structure, and a circular through groove is integrally formed in the middle of the positioning pontoon; two sliding grooves are axially formed in the inner wall of the through groove; the bottom of the through groove is integrally provided with two bayonets; the bayonet and the chute are arranged in a staggered way; the four ends of the positioning pontoon are provided with protruding parts; the convex part is movably embedded with the upper part of the groove; the convex part is provided with a perforation; the perforation is fastened with the pore plate through bolts and nuts;
the side floating cylinders are connected to form side floating cylinder rows, and two ends of each side floating cylinder row are connected with one end floating cylinder; two sides of one middle floating row are provided with two side floating cylinder rows; the positioning pontoon is arranged between the middle pontoon and the side pontoon;
the card row comprises a strip grid body; the two ends of the strip-shaped grating body are hollow structures, and after the extension parts of the two adjacent rows of side floating cylinder rows are mutually attached, the extension parts are embedded into the grating grooves of the strip-shaped grating body, the two ends of the strip-shaped grating body are provided with limiting holes, and pin columns are movably embedded into the limiting holes; a limit nut is arranged at the end part of the pin; the pin posts are movably clamped with the top surfaces of the clamping hooks;
the photovoltaic support pedestal comprises a column body which is embedded with the through groove; the bottom of the cylinder is integrally provided with a sliding block which is embedded with the sliding groove; the sliding block is screwed to the bayonet after sliding through the sliding groove; the top surface of the column body is integrally provided with a supporting platform; the cylinder is sleeved with a spring body between the positioning buoy and the supporting platform; the photovoltaic module is arranged on the supporting platform;
the two ends of one side of the strip grid body are integrally provided with first supporting plates; two through holes are formed in the first supporting plate; the earhole seat at one end of the end pontoon far away from the side pontoon row penetrates through the inverted U-shaped compression bar; the bottom of the pressure rod is provided with a thread section; the thread section passes through the perforation and is screwed with a nut body tightly propped against the bottom surface of the first supporting plate; the compression bar is provided with an upper position adjusting hole and a lower position adjusting hole; limiting bolts are movably arranged in the upper position adjusting hole and the lower position adjusting hole; and the end part of the limiting bolt is provided with an anti-drop nut.
2. The photovoltaic module support apparatus of claim 1 wherein: the photovoltaic module comprises a supporting frame, sloping blocks are fixed at four ends of the supporting frame, and the supporting frame is fastened with the top surface of a supporting platform through fasteners; the slope block is fixed with a pin seat body through a bolt; the pin seat body is fastened with the installation seat of the photovoltaic panel through bolts and nuts.
3. The photovoltaic module support apparatus of claim 1 wherein: limiting pins are arranged on opposite sides of the strip grid body on the second supporting plate; the limiting pin is in counterpoint grafting with the earhole seat of the end float.
4. The photovoltaic module support apparatus of claim 1 wherein: the strip grid body is made of stainless steel square tubes; the outer side of the strip grating body is provided with an air bag cavity seat, the inner side of the air bag cavity seat is provided with an air bag body, and the end part of the air bag body is provided with an air tap.
5. The photovoltaic module support apparatus of claim 1 wherein: the adjacent middle pontoons are in butt joint through the earhole seats and are fastened through bolts and nuts; the adjacent side floating barrels are in butt joint through the earhole seats and are fastened through bolts and nuts.
6. The photovoltaic module support apparatus of claim 1 wherein: the top surface of the supporting platform is integrally provided with a converging cavity seat; a top cover is fixed on the confluence cavity seat through bolts; a sealing ring is arranged between the top cover and the converging cavity seat; the top surface of the top cover is provided with an incoming waterproof joint and an outgoing waterproof joint; the incoming line waterproof connector penetrates through an incoming line; one end of the incoming line is connected with the photovoltaic panel bus; the other end is connected to the combiner; the outgoing line waterproof connector passes through the outgoing line; and one end of the outgoing line is connected to the combiner, and the other end of the outgoing line is connected to the grid-connected bus.
7. The photovoltaic module support apparatus of claim 6 wherein: the junction of the collector and the outgoing line is connected with a voltage transmitter in parallel; the voltage transmitter is connected to the data concentrator through a signal wire, and the data concentrator is connected to the monitoring terminal through an optical cable or wireless communication.
8. A photovoltaic power plant comprising the photovoltaic module support apparatus of any one of claims 1 to 7, characterized in that: the photovoltaic module supporting device is arranged on the water surface; the middle floating row, the two side floating cylinder rows and the two positioning floating cylinders form a supporting array; the two side floating cylinder rows are arranged on two sides of the middle floating cylinder row, and one row of the positioning floating cylinders is arranged between one side floating cylinder row and the middle floating row; the other row of positioning pontoons is arranged between the other side pontoon row and the middle pontoon row; the side floating cylinder row and the middle floating row are assembled into a whole through the positioning floating cylinder; a plurality of groups of support arrays are arranged on the water surface, and adjacent support arrays are installed through clamping rows and clamping joints.
9. The photovoltaic power plant of claim 8, wherein: a data collector is arranged on each supporting array; the data collector is connected to the data concentrator through a signal wire or wirelessly.
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