CN115140258A - Photovoltaic connecting device, water surface floating type photovoltaic power generation system and installation method - Google Patents
Photovoltaic connecting device, water surface floating type photovoltaic power generation system and installation method Download PDFInfo
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- CN115140258A CN115140258A CN202210770263.5A CN202210770263A CN115140258A CN 115140258 A CN115140258 A CN 115140258A CN 202210770263 A CN202210770263 A CN 202210770263A CN 115140258 A CN115140258 A CN 115140258A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 216
- 238000007667 floating Methods 0.000 title claims abstract description 60
- 238000009434 installation Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010248 power generation Methods 0.000 title claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 15
- 238000005286 illumination Methods 0.000 abstract description 10
- 239000008213 purified water Substances 0.000 description 19
- 238000001914 filtration Methods 0.000 description 6
- 241000195493 Cryptophyta Species 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000011110 re-filtration Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- 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
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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
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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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
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- 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
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- 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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- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a photovoltaic connecting device, a water surface floating type photovoltaic power generation system and an installation method, wherein the photovoltaic connecting device comprises an I-shaped floating platform, hollow pipes are fixedly arranged on a first bearing plate and a second bearing plate, a filter screen is fixedly arranged in a cavity enclosed by a first overflow baffle, the cavity is communicated with a water purification tank through a drain pipe, a second overflow baffle is fixedly arranged in the water purification tank, and a water level detection device is arranged in the water purification tank and can close a first valve and open a second valve when the water level rises to a preset value. The invention provides a photovoltaic connection device; the water surface floating type photovoltaic power generation system and the installation method can conveniently and quickly adjust the inclination angle of the photovoltaic panel to enable the photovoltaic panel to receive illumination to a greater extent, and can automatically pump water and circularly filter the water in the process of adjusting the inclination angle, so that the subsequent water for cleaning the photovoltaic panel is cleaner, and the photovoltaic panel is effectively protected.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic connecting device, a water surface floating type photovoltaic power generation system and an installation method.
Background
The solar photovoltaic power generation is based on the principle of photovoltaic effect, and utilizes a solar cell to directly convert solar energy into electric energy. At present, a solar power station needs a very large floor area, and the problem of land resource shortage is increasingly serious, so that a water surface floating type photovoltaic power station is produced at present, a photovoltaic module is supported on the water surface of a reservoir, a lake, a pond, a water treatment plant and the like through a floating body to receive illumination and generate power, land resources are reasonably utilized, an important direction is provided for the area with deficient land resources, water bodies are not polluted, fishery culture is not influenced, meanwhile, water body evaporation can be reduced, algae reproduction is inhibited, and the effect of protecting water resources is achieved.
In the prior art, a photovoltaic connection device, a floating photovoltaic power generation system on water surface and an installation method with publication number "CN106656000B" belong to the technical field of photovoltaic power generation, wherein the photovoltaic connection device comprises: dovetail connection subassembly, including the dovetail support, the dovetail support includes forked tail and frame post, and the dovetail is connected and is located the one end of frame post, and the forked tail is used for being connected with the dovetail of body, and the other end of frame post is used for being connected with the high-end and/or the low side of slope solar panel frame. The height of the dovetail support is adjusted, the photovoltaic connecting device, the water surface floating type photovoltaic power generation system and the installation method are novel in structure, simple in structure, safe, reliable, wide in adaptability and convenient to install, and can be applied to the water surface floating type photovoltaic power generation system on a large scale.
However, the method still has the obvious defects in the using process: above-mentioned photovoltaic connecting device can incline certain angle with solar panel frame when using, but, after the installation, its angle of inclination just is fixed, and when the irradiant angle of sun changed, above-mentioned device can not follow this by quick adjustment, can lead to photoelectric conversion's efficiency lower.
Disclosure of Invention
The invention aims to provide a photovoltaic connecting device, a water surface floating type photovoltaic power generation system and an installation method, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a photovoltaic connecting device comprises I-shaped floating platforms, wherein a plurality of the I-shaped floating platforms are connected in the longitudinal direction through longitudinal connecting rods, adjacent longitudinal connecting rods are connected through transverse connecting rods, rotating devices are arranged between adjacent I-shaped floating platforms and used for driving photovoltaic panels to adjust the inclination angle, and a first bearing plate and a second bearing plate are fixedly arranged between the adjacent I-shaped floating platforms in the transverse direction;
the water purification device is characterized in that floating bases are fixedly arranged at the bottoms of the first bearing plate and the second bearing plate, hollow pipes are fixedly arranged on the first bearing plate and the second bearing plate, piston plates are movably arranged in inner cavities of the hollow pipes, extension rods are fixedly arranged on the piston plates, push plates are fixedly arranged on the extension rods, stress balls are fixedly arranged on the push plates, limit blocks are fixedly arranged on the outer walls of the hollow pipes, first springs are connected and arranged between the push plates and the limit blocks, water suction pipes are arranged on the hollow pipes in a communicated mode, first check valves and first valves are arranged on the water suction pipes, the hollow pipes are communicated with a filter box through water outlet pipes, second check valves are arranged in the water outlet pipes, cover plates are hinged to the filter box, first overflow baffles are fixedly arranged in the inner cavities of the filter box, filter screens are fixedly arranged in cavities surrounded by the first overflow baffles, the cavities are communicated with the water purification box through water drainage pipes, second overflow baffles are fixedly arranged in the inner cavities of the water purification box, the second overflow baffles divide the inner cavities of the water purification box into overflow cavities and are communicated with a water level detection valve, and a water purification device is provided with a water purification pipe cleaning head cleaning device, and a water pump cleaning device is provided with a water purification pipe cleaning device.
Preferably, the rotating device comprises a rotating motor, an installation rod is fixedly arranged on an output shaft of the rotating motor, one end, far away from the rotating motor, of the installation rod is arranged in a bearing seat, the bearing seat and the rotating motor are oppositely arranged in grooves of adjacent I-shaped floating platforms, and a photovoltaic panel is fixedly arranged on the installation rod.
Preferably, a positioning rod is fixedly arranged in a groove of the I-shaped floating platform, a circular ring bearing is embedded in the positioning rod, and the mounting rod is arranged in the circular ring bearing in a penetrating mode.
Preferably, a stop block is fixedly arranged on the inner wall of the opening end of the hollow pipe.
Preferably, a handle is fixedly arranged at the top of the cover plate.
Preferably, the water level detection device includes the housing, the fixed roof inboard that sets up at the water purification case of housing, the roof inboard of water purification case is provided with trigger switch and second spring, trigger switch and second spring all set up in the inner chamber that the housing encloses, just trigger switch and first valve, second valve signal connection, the bottom connection of second spring is provided with the slide, the fixed transfer line that is provided with in bottom of slide, the fixed floater that is provided with in bottom of transfer line.
Preferably, an elastic sealing ring is embedded in the bottom wall of the outer housing, and the transmission rod is movably arranged in the elastic sealing ring in a penetrating manner.
A surface of water floats formula photovoltaic power generation system, includes the above-mentioned photovoltaic connecting device.
An installation method based on the water surface floating type photovoltaic power generation system comprises the following steps:
step (ii) of firstly, the method comprises the following steps: fixedly connecting a plurality of I-shaped floating platforms sequentially through longitudinal connecting rods in the longitudinal direction;
step two: the adjacent longitudinal connecting rods are fixedly connected through the transverse connecting rods in sequence;
step three: and a rotating device is arranged between the adjacent I-shaped floating platforms, and a photovoltaic panel is arranged on the rotating device, so that the inclination angle of the photovoltaic panel can be adjusted.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the rotating devices are arranged between the adjacent I-shaped floating platforms, and the photovoltaic panels are fixedly arranged on the rotating devices, so that when the illumination direction changes, the inclination angle of the photovoltaic panels can be rapidly changed by the rotating devices, and the photovoltaic panels can receive illumination to a greater extent, thereby improving the photoelectric conversion effect;
2. the photovoltaic panel can cause the stressed balls at two sides of the bottom of the photovoltaic panel to be pressed down or jacked up after being pressed down when the inclination angle is adjusted, so that water under the water surface can be pumped into the filter tank, flows into the water purification tank for temporary storage after being filtered by the filter screen, but when the water quantity in the water purification tank reaches a certain degree, the device does not absorb water from the water under the water surface any more, but carries out multiple circulating filtration on the water in the water purification tank, so that the finally obtained water is cleaner, and when the photovoltaic panel is cleaned by utilizing the water subsequently, the photovoltaic panel cannot be polluted by algae, dirt and the like originally existing in the water, and the photovoltaic panel is prevented from being polluted and damaged.
The invention provides a photovoltaic connection device; the water surface floating type photovoltaic power generation system and the installation method can conveniently and quickly adjust the inclination angle of the photovoltaic panel to enable the photovoltaic panel to receive illumination to a greater extent, and can automatically pump water and circularly filter the water in the process of adjusting the inclination angle, so that the subsequent water for cleaning the photovoltaic panel is cleaner, and the photovoltaic panel is effectively protected.
Drawings
FIG. 1 is a schematic top view of a body structure of the present invention;
FIG. 2 is a schematic side sectional view of the specific structure of the first carrier plate and the second carrier plate of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a first schematic view of the water flow direction according to the present invention;
fig. 5 is a schematic view illustrating a water flow direction according to the second embodiment of the present invention.
In the figure: 1I-shaped floating platform, 2 longitudinal connecting rods, 3 transverse connecting rods, 4 rotating motors, 5 mounting rods, 6 bearing seats, 7 photovoltaic panels, 8 positioning rods, 9 circular ring bearings, 10 first bearing plates, 11 second bearing plates, 12 floating bases, 13 hollow pipes, 14 piston plates, 15 extension rods, 16 push plates, 17 stressed balls, 18 blocking blocks, 19 limiting blocks, 20 first springs, 21 water suction pipes, 22 first one-way valves, 23 first valves, 24 water outlet pipes, 25 filter boxes, 26 second one-way valves, 27 cover plates, 28 handles, 29 first overflow baffles, 30 filter screens, 31 drain pipes, 32 water purification tanks, 321 overflow chambers, 322 water purification chambers, 33 second overflow baffles, 34, 35 second valves, 36 third one-way valves, 38 outer cover shells, 381 elastic sealing rings, 39 trigger switches, 40 second springs, 41 sliding plates, 42, 43 floating balls, 44 cleaning water pipes, 45 third valves, 46 cleaning water pumps and 47 spray heads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution:
the first embodiment is as follows:
a photovoltaic connecting device comprises I-shaped floating platforms 1, wherein the I-shaped floating platforms 1 can float on the water surface, a plurality of I-shaped floating platforms 1 are connected in the longitudinal direction through longitudinal connecting rods 2, and adjacent longitudinal connecting rods 2 are connected through transverse connecting rods 3, so that the I-shaped floating platforms 1, the longitudinal connecting rods 2 and the transverse connecting rods 3 form a whole body, and are mutually restrained, the whole body can float on the water surface more stably, rotating devices are arranged between the adjacent I-shaped floating platforms 1 and are used for driving photovoltaic plates 7 to adjust the inclination angle, when the illumination direction changes, the positions of the photovoltaic plates 7 can be adjusted through the rotating devices, the photovoltaic plates 7 can further receive illumination, the photoelectric conversion effect is improved, and a first bearing plate 10 and a second bearing plate 11 are fixedly arranged between the transverse directions of the adjacent I-shaped floating platforms 1 to a greater degree.
The bottom of the first bearing plate 10 and the bottom of the second bearing plate 11 are both fixedly provided with a floating base 12, the floating base 12 is arranged to enable the first bearing plate 10 and the second bearing plate 11 to stably float on the water surface, the first bearing plate 10 and the second bearing plate 11 are both fixedly provided with a hollow pipe 13, a piston plate 14 is movably arranged in an inner cavity of the hollow pipe 13, the shape and the size of the piston plate 14 are completely the same as those of the inner part of the hollow pipe 13, therefore, the piston plate 14 can move along the inner wall of the hollow pipe 13, an extension rod 15 is fixedly arranged on the piston plate 14, a push plate 16 is fixedly arranged on the extension rod 15, a stress ball 17 is fixedly arranged on the push plate 16, when the inclination angle of the photovoltaic panel 7 is changed, the stress balls 17 on the two sides can be extruded by different degrees, and then sequentially pass through the push plate 16 and the extension rod 15 to drive the piston plate 14 to ascend or descend by corresponding degrees, the outer wall of the hollow pipe 13 is fixedly provided with a limiting block 19, a first spring 20 is connected between the push plate 16 and the limiting block 19, the first spring 20 has good telescopic elasticity, therefore, when the photovoltaic panel 7 rotates to a position gradually far away from the stressed ball 17 on one side, the push plate 16 on the side can be gradually jacked up and restored under the action of the first spring 20, the hollow pipe 13 is communicated with a water suction pipe 21, the water suction pipe 21 is provided with a first one-way valve 22 and a first valve 23, the arrangement of the first one-way valve 22 enables water under the water surface of the device to enter the hollow pipe 13 through the water suction pipe 21 and not flow backwards, the first valve 23 is used for controlling the communication of the water suction pipe 21, the hollow pipe 13 is communicated with the filter box 25 through the hollow pipe 24, the water outlet pipe 24 is provided with a second one-way valve 26, the arrangement of the second one-way valve 26 enables water in the filter box 25 to be discharged to the hollow pipe 13 through the water outlet pipe 24, the filter box 25 is hinged with a cover plate 27, the cover plate 27 can be opened in a rotating way to clean a filter screen 30 in the filter box, a first overflow baffle 29 is fixedly arranged in an inner cavity of the filter box 25, the filter screen 30 is fixedly arranged in a cavity enclosed by the first overflow baffle 29, water firstly enters the outer side of an area enclosed by the first overflow baffle 29, then gradually increases along with the water quantity until the water overflows the height of the first overflow baffle 29 and then enters the area enclosed by the first overflow baffle 29, the water at the moment can be filtered and decontaminated by the filter screen 30 to carry out first re-filtration, the cavity is communicated with a purified water box 32 through a drain pipe 31, therefore, only the water which is subjected to the first re-filtration can enter the purified water box 32, and a second overflow baffle 33 is fixedly arranged in the purified water box 32, the second overflow baffle 33 divides the inner cavity of the purified water tank 32 into an overflow cavity 321 and a purified water cavity 322, water flowing out of the water outlet pipe 31 firstly enters the overflow cavity 321 of the purified water tank 32 until the water amount increases and then gradually overflows to the purified water cavity 322, the purified water cavity 322 is communicated with the hollow pipe 13 through the circulating pipe 34, the circulating pipe 34 is provided with a second valve 35 and a third one-way valve 36, the third one-way valve 36 is arranged so that the water in the purified water cavity 322 can only flow back to the hollow pipe 13 through the circulating pipe 34 and can not flow back, the purified water cavity 322 is provided with a water level detection device which can close the first valve 23 and open the second valve 35 when the water level rises to a preset value, at the moment, the device does not suck water from the water below the water surface any more, but circularly filters the water in the purified water cavity 322, thereby, the water body finally used for cleaning the photovoltaic panel 7 is cleaner, and the algae in the water can be removed through repeated filtering, impurity such as filth avoids its reverse pollution photovoltaic board 7, and the intercommunication is provided with washing water pipe 44 on the water purification chamber 322, is provided with third valve 45 and washing water pump 46 on the washing water pipe 44, and the one end intercommunication that just washs water pipe 44 and be close to photovoltaic board 7 is provided with shower head 47, can spout water in the shower head 47, and then cleans photovoltaic board 7.
Example two:
the utility model provides a photovoltaic connecting device, including I shape floating platform 1, I shape floating platform 1 can float on the surface of water, link to each other through longitudinal tie rod 2 on a plurality of I shape floating platform 1's the longitudinal direction, link to each other through transverse tie rod 3 between the adjacent longitudinal tie rod 2, therefore, make a plurality of I shape floating platforms 1, form a whole between longitudinal tie rod 2 and the transverse tie rod 3, pin each other, make whole can both float on the surface of water more stably, all be provided with rotary device between the adjacent I shape floating platform 1, be used for driving photovoltaic board 7 and adjust the angle of inclination, improve the photoelectric conversion effect, fixedly between the transverse direction of adjacent I shape floating platform 1 be provided with first loading board 10 and second loading board 11.
The bottom of the first bearing plate 10 and the bottom of the second bearing plate 11 are both fixedly provided with a floating base 12, the first bearing plate 10 and the second bearing plate 11 are both fixedly provided with a hollow tube 13, a piston plate 14 is movably arranged in the inner cavity of the hollow tube 13, an extension rod 15 is fixedly arranged on the piston plate 14, a push plate 16 is fixedly arranged on the extension rod 15, a stressed ball 17 is fixedly arranged on the push plate 16, when the inclination angle of the photovoltaic plate 7 is changed, the stressed balls 17 on the two sides can be extruded in different degrees and then sequentially pass through the push plate 16, the extension rod 15 drives the piston plate 14 to ascend or descend in a corresponding degree, a blocking block 18 is fixedly arranged on the inner wall of the opening end of the hollow tube 13, the piston plate 14 can be prevented from being separated from the hollow tube 13 in the moving process due to the arrangement of the blocking block 18, a limiting block 19 is fixedly arranged on the outer wall of the hollow tube 13, and a first spring 20 is connected between the push plate 16 and the limiting block 19, the hollow pipe 13 is communicated with a water suction pipe 21, the water suction pipe 21 is provided with a first check valve 22 and a first valve 23, the first check valve 22 is arranged to enable water under the water surface where the device is located to enter the hollow pipe 13 only through the water suction pipe 21 and not to flow back, the hollow pipe 13 is communicated with a filter box 25 through a water outlet pipe 24, a second check valve 26 is arranged in the water outlet pipe 24, the second check valve 26 is arranged to enable the water in the filter box 25 to be discharged to the hollow pipe 13 only through the water outlet pipe 24 and not to flow back, the filter box 25 is hinged with a cover plate 27, the top of the cover plate 27 is fixedly provided with a handle 28, when in actual use, a user can conveniently rotate the cover plate 27 through the handle 28, the filter box is more handy, a first overflow baffle 29 is fixedly arranged in an inner cavity of the filter box 25, a filter screen 30 is fixedly arranged in a cavity surrounded by the first overflow baffle 29, the water firstly enters the outer side of the area enclosed by the first overflow baffle 29, then gradually increases along with the water quantity, reaches the height of the first overflow baffle 29, and then enters the area enclosed by the first overflow baffle 29, the water at the moment can be filtered and decontaminated by the filter screen 30 to carry out first re-filtration, the cavity is communicated with the purified water tank 32 through the drain pipe 31, therefore, only the water after the first re-filtration can enter the purified water tank 32, the inside of the purified water tank 32 is fixedly provided with the second overflow baffle 33, the second overflow baffle 33 divides the inner cavity of the purified water tank 32 into an overflow cavity 321 and a purified water cavity 322, the water flowing out from the drain pipe 31 firstly enters the overflow cavity 321 of the purified water tank 32 until the water quantity increases, and then gradually overflows to the purified water cavity 322, the purified water cavity 322 is communicated with the hollow pipe 13 through the circulating pipe 34, the circulating pipe 34 is provided with a second valve 35 and a third one-way valve 36, the third one-way valve 36 is arranged to enable water in the clean water cavity 322 to only flow back to the hollow pipe 13 through the circulating pipe 34 and not flow back, the water level detection device is arranged in the clean water cavity 322 and can close the first valve 23 and open the second valve 35 when the water level rises to a preset value, at this time, water in the clean water cavity 322 is not sucked from the water surface any more, and water is circularly filtered, so that the water body finally used for cleaning the photovoltaic panel 7 is cleaner, impurities such as algae and dirt in the water can be removed through repeated filtering, the photovoltaic panel 7 is prevented from being reversely polluted, the clean water cavity 322 is communicated with a cleaning water pipe 44, the cleaning water pipe 44 is provided with a third valve 45 and a cleaning water pump 46, and one end of the cleaning water pipe 44 close to the photovoltaic panel 7 is communicated with a spray head 47.
Example three:
in the present embodiment, on the basis of the first embodiment or the second embodiment, the specific structural composition of the rotating device is further disclosed and defined, specifically: the rotating device comprises a rotating motor 4, an installation rod 5 is fixedly arranged on an output shaft of the rotating motor 4, one end, far away from the rotating motor 4, of the installation rod 5 is arranged in a bearing seat 6, the bearing seat 6 and the rotating motor 4 are oppositely arranged in grooves of adjacent I-shaped floating platforms 1, and a photovoltaic plate 7 is fixedly arranged on the installation rod 5, so that after the rotating motor 4 is started, the photovoltaic plate 7 is driven to rotate through the installation rod 5 to adjust the inclination angle of the photovoltaic plate 7, the photovoltaic plate can receive illumination to a greater degree, a positioning rod 8 is fixedly arranged in each groove of each I-shaped floating platform 1, a circular ring bearing 9 is embedded in each positioning rod 8, the installation rod 5 is arranged in each circular ring bearing 9 in a penetrating mode, the circular ring bearings 9 can further limit the installation rod 5, and the installation rod 5 can rotate more smoothly.
Example four:
in this embodiment, on the basis of the first embodiment or the second embodiment, the specific structural components of the water level detection device are further disclosed and defined, specifically: the water level detection device comprises an outer casing 38, the outer casing 38 is fixedly arranged on the inner side of the top wall of the water purification tank 32, a trigger switch 39 and a second spring 40 are arranged on the inner side of the top wall of the water purification tank 32, the trigger switch 39 and the second spring 40 are both arranged in an inner cavity surrounded by the outer casing 38, the trigger switch 39 is in signal connection with the first valve 23 and the second valve 35, when the trigger switch 39 is triggered, the first valve 23 is closed, the second valve 35 is opened, a sliding plate 41 is connected and arranged at the bottom of the second spring 40, the shape and the size of the sliding plate 41 are completely identical to those of the inner part of the outer casing 38, therefore, the sliding plate 41 can move along the inner wall of the outer casing 38, water seepage cannot occur, a transmission rod 42 is fixedly arranged at the bottom of the sliding plate 41, an elastic sealing ring 381 is embedded in the bottom wall of the outer casing 38, the transmission rod 42 movably penetrates through the elastic sealing ring 381, therefore, in the moving process of the transmission rod 42, the elastic sealing ring 381 can always keep good water seepage, the occurrence of the water level is avoided, the water level 43 is fixedly arranged at the bottom of the transmission rod 42, and the water level can float ball 43 can float on the water level and finally float can float on the water level to be detected, and the water level can rise and fall along with the water level detection.
A surface of water floats formula photovoltaic power generation system, includes foretell photovoltaic connecting device.
An installation method based on a water surface floating type photovoltaic power generation system comprises the following steps:
the method comprises the following steps: fixedly connecting a plurality of I-shaped floating platforms 1 sequentially through longitudinal connecting rods 2 in the longitudinal direction, and mutually fixing the I-shaped floating platforms;
step two: adjacent longitudinal connecting rods 2 are fixedly connected through transverse connecting rods 3 in sequence to realize further connection, so that a plurality of I-shaped floating platforms 1, the longitudinal connecting rods 2 and the transverse connecting rods 3 form a whole, and the whole is mutually restrained, so that the whole can float on the water more stably;
step three: set up rotary device between adjacent I shape floating platform 1, install photovoltaic board 7 on rotary device for the angle of inclination of photovoltaic board 7 can be adjusted, adjusts easy operation, high efficiency.
The working principle is as follows:
when the photovoltaic panel is used, if the direction of sunlight illumination changes, the rotating motor 4 can be started, the rotating motor 4 can drive the photovoltaic panel 7 to rotate through the mounting rod 5, and then the inclination angle of the photovoltaic panel 7 is adjusted, so that the photovoltaic panel 7 can receive illumination to a greater extent, and the photoelectric conversion rate is improved.
When the inclination angle of the photovoltaic panel 7 changes, the photovoltaic panel can extrude the stress balls 17 on two sides of the bottom to different degrees, when the photovoltaic panel 7 is far away from the stress ball 17 on one side, the first spring 20 can extend to push the push plate 16 upwards, the push plate 16 pulls the piston plate 14 upwards through the extension rod 15, the first valve 23 is in an open state at the moment, and water below the water surface of the device enters the hollow tube 13 through the water suction tube 21; when the photovoltaic panel 7 presses the stress ball 17 on one side, the stress ball 17 on the side presses the piston plate 14 through the push plate 16 and the extension rod 15 in sequence, so that water enters the inside of the filter box 25 through the water outlet pipe 24, gradually overflows the first overflow baffle 29 along with the increase of water amount, and finally enters an inner cavity surrounded by the first overflow baffle 29, and the filter screen 30 in the inner cavity primarily filters the water body; after that, water after preliminary filtration enters into the overflow chamber 321 of water purification case 32 through drain pipe 31, and the water yield can continue to increase, and after overflowing second overflow baffle 33, enters into water purification chamber 322, is provided with water level detection device in the water purification chamber 322, specifically: along with the rising of the water level, the floating ball 43 rises, the sliding plate 41 is jacked up upwards through the transmission rod 42, when the water level rises to a preset value, the trigger switch 39 is triggered by the sliding plate 41, the first valve 23 is closed at the moment, the second valve 35 is opened, the water suction pipe 21 is always in a closed state in the up-and-down reciprocating movement process of the piston plate 14, namely, water is not sucked from the water surface any more, when the piston plate 14 rises, water in the clean water cavity 322 flows back to the inside of the hollow pipe 13 through the circulating pipe 34, then filtration and impurity removal are carried out through the filter screen 30 in the filter box 25 again, therefore, multiple filtration is achieved, finally obtained water is cleaner, pollutants such as algae and the like cannot exist, finally, when the photovoltaic panel 7 needs to be cleaned, the third valve 45 can be opened, clean water in the clean water cavity 322 is sprayed out through the spray head 47 at the end of the cleaning water pipe 44, the photovoltaic panel 7 is further cleaned, and water pollution is effectively avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a photovoltaic connecting device, includes I shape floating platform (1), its characterized in that: the I-shaped floating platforms (1) are connected in the longitudinal direction through longitudinal connecting rods (2), adjacent longitudinal connecting rods (2) are connected through transverse connecting rods (3), a rotating device is arranged between adjacent I-shaped floating platforms (1) and used for driving a photovoltaic panel (7) to adjust an inclination angle, and a first bearing plate (10) and a second bearing plate (11) are fixedly arranged between adjacent I-shaped floating platforms (1) in the transverse direction;
the water-saving filter is characterized in that floating bases (12) are fixedly arranged at the bottoms of the first bearing plate (10) and the second bearing plate (11), hollow pipes (13) are fixedly arranged on the first bearing plate (10) and the second bearing plate (11), piston plates (14) are movably arranged in the inner cavities of the hollow pipes (13), extension rods (15) are fixedly arranged on the piston plates (14), push plates (16) are fixedly arranged on the extension rods (15), stress balls (17) are fixedly arranged on the push plates (16), limiting blocks (19) are fixedly arranged on the outer walls of the hollow pipes (13), first springs (20) are connected between the push plates (16) and the limiting blocks (19), water suction pipes (21) are communicated with the hollow pipes (13), first check valves (22) and first valves (23) are arranged on the water suction pipes (21), the hollow pipes (13) are communicated with the filter box (25) through water outlet pipes (24), second check valves (26) are arranged in the water outlet pipes (24), cover plates (27) are hinged to the filter box (25), a first baffle (29) is fixed in the inner cavity of the filter box (25), and overflow baffles (29) are fixed to form an overflow cavity (30), and this cavity passes through drain pipe (31) and communicates in water purification case (32), the fixed second overflow baffle (33) that is provided with in inside of water purification case (32), second overflow baffle (33) falls into overflow chamber (321) and water purification chamber (322) with the inner chamber of water purification case (32), water purification chamber (322) communicate in hollow tube (13) through circulating pipe (34), be provided with second valve (35) and third check valve (36) on circulating pipe (34), be provided with water level detection device in water purification chamber (322), can close first valve (23), open second valve (35) when the water level rises to the predetermined value, the intercommunication is provided with washing water pipe (44) on water purification chamber (322), be provided with third valve (45) and washing water pump (46) on washing water pipe (44), just the one end intercommunication that washing water pipe (44) are close to photovoltaic board (7) is provided with shower head (47).
2. A photovoltaic junction according to claim 1, wherein: the rotary device comprises a rotary motor (4), an installation rod (5) is fixedly arranged on an output shaft of the rotary motor (4), one end, far away from the rotary motor (4), of the installation rod (5) is arranged in a bearing seat (6), the bearing seat (6) and the rotary motor (4) are oppositely arranged in grooves of adjacent I-shaped floating platforms (1), and a photovoltaic panel (7) is fixedly arranged on the installation rod (5).
3. A photovoltaic junction according to claim 1, wherein: a positioning rod (8) is fixedly arranged in a groove of the I-shaped floating platform (1), a circular ring bearing (9) is embedded in the positioning rod (8), and the mounting rod (5) penetrates through the circular ring bearing (9).
4. A photovoltaic junction according to claim 1, wherein: a blocking block (18) is fixedly arranged on the inner wall of the opening end of the hollow pipe (13).
5. A photovoltaic junction according to claim 1, wherein: the top of the cover plate (27) is fixedly provided with a handle (28).
6. A photovoltaic junction according to claim 1, wherein: the water level detection device includes outer casing (38), outer casing (38) are fixed to be set up at the roof of water purification case (32) inboard, the roof inboard of water purification case (32) is provided with trigger switch (39) and second spring (40), trigger switch (39) and second spring (40) all set up in the inner chamber that outer casing (38) enclose, just trigger switch (39) and first valve (23), second valve (35) signal connection, the bottom connection of second spring (40) is provided with slide (41), the fixed transfer line (42) that is provided with in bottom of slide (41), the fixed floater (43) that is provided with in bottom of transfer line (42).
7. A photovoltaic junction device according to claim 6, wherein: an elastic sealing ring (381) is embedded in the bottom wall of the outer cover shell (38), and the transmission rod (42) is movably arranged in the elastic sealing ring (381) in a penetrating mode.
8. The utility model provides a surface of water floats formula photovoltaic power generation system which characterized in that: comprising a photovoltaic junction device according to any one of the preceding claims 1 to 7.
9. The method for installing the water surface floating type photovoltaic power generation system based on the claim 8 is characterized by comprising the following steps:
the method comprises the following steps: fixedly connecting a plurality of I-shaped floating platforms (1) in the longitudinal direction sequentially through longitudinal connecting rods (2);
step two: the adjacent longitudinal connecting rods (2) are fixedly connected through the transverse connecting rods (3) in sequence;
step three: and a rotating device is arranged between the adjacent I-shaped floating platforms (1), and a photovoltaic panel (7) is arranged on the rotating device, so that the inclination angle of the photovoltaic panel (7) can be adjusted.
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