CN114123967B - Circulating water cooling self-cleaning solar photovoltaic power generation device - Google Patents
Circulating water cooling self-cleaning solar photovoltaic power generation device Download PDFInfo
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- CN114123967B CN114123967B CN202111477582.9A CN202111477582A CN114123967B CN 114123967 B CN114123967 B CN 114123967B CN 202111477582 A CN202111477582 A CN 202111477582A CN 114123967 B CN114123967 B CN 114123967B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 238000004140 cleaning Methods 0.000 title claims abstract description 41
- 238000010248 power generation Methods 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 57
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 238000005507 spraying Methods 0.000 claims abstract description 25
- 239000000498 cooling water Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 229920000742 Cotton Polymers 0.000 claims description 20
- 238000001704 evaporation Methods 0.000 claims description 20
- 230000008020 evaporation Effects 0.000 claims description 19
- 238000005286 illumination Methods 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000007665 sagging Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241000112598 Pseudoblennius percoides Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
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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
-
- 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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- 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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- Photovoltaic Devices (AREA)
Abstract
The invention belongs to the field of solar photovoltaic power generation, and particularly relates to a circulating water cooling self-cleaning solar photovoltaic power generation device which comprises a hollow frame, wherein a back plate is arranged in the middle of the hollow frame, a solar photovoltaic cell system is arranged above the back plate, double-layer transparent glass is arranged above the solar photovoltaic cell system, a cooling water supply system is arranged below the back plate, sealing treatment is carried out between the cooling water supply system and the back plate, two guide plates are arranged on the left side and the right side of the back plate, a cleaning system is arranged between the two guide plates, a rain and dew collecting and filtering system is arranged at the joint of the hollow frame and the lowest part of the back plate, and a water storage and spraying system is arranged at the joint of the uppermost part. According to the invention, the solar photovoltaic panel is protected, cooled and cleaned by collecting and filtering rain and dew to recycle water resources, the service life of the solar photovoltaic panel is prolonged, the incidence angle of light is changed by changing the angle of the light-transmitting glass, and the power generation efficiency of the solar photovoltaic panel is increased.
Description
Technical Field
The invention belongs to the field of solar photovoltaic power generation, and particularly relates to a circulating water cooling self-cleaning solar photovoltaic power generation device.
Background
The photovoltaic power generation directly converts solar energy into electric energy by utilizing a solar cell according to the photovoltaic effect principle, belongs to green clean energy, and has the advantages of no pollution, no noise and the like. Moreover, the solar energy resources in China are very rich, and the theoretical reserve reaches 17000 hundred million tons of standard coal per year. The potential of solar energy resource development and utilization is very wide. Therefore, a set of solar photovoltaic power generation devices are installed on the top of a delivery room or a house roof by a plurality of enterprises or individuals, and the solar photovoltaic power generation devices are sold for self-use or grid connection. However, when the solar photovoltaic power generation device is used in a large area, unmanned cleaning or difficult cleaning can occur, and once the solar photovoltaic power generation device is polluted by soil, dust and the like in a large area, the power generation efficiency is greatly reduced; the solar power generation device can only be used for replacing about 10% -14% of light energy, most of the rest light energy can be converted into heat energy, and the rest light energy can be converted into other types of energy, wherein the heat energy can cause the temperature of the solar photovoltaic panel to rise, so that the power generation efficiency is reduced and the service life is shortened; moreover, the direct angle of the sun has great influence on the solar photovoltaic power generation device, and the smaller the incident angle is, the more sunlight is received, so that the power generation efficiency is improved. In the prior art, a solar photovoltaic power generation device which can circularly utilize water resources to cool and clean and change the incident angle of the sun does not exist.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides a solar photovoltaic power generation device which can recycle water resources for cooling and cleaning and change the angle of glass along with the change of temperature so as to change the incident angle of the sun.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a circulating water cooling self-cleaning solar photovoltaic power generation device, includes hollow frame, hollow frame's centre is provided with the backplate, solar photovoltaic cell system is placed to the top of backplate, solar photovoltaic cell system's top is placed double-deck printing opacity glass, double-deck printing opacity glass with do sealed processing between the hollow frame, the below of backplate is provided with in the cooling water supply system, do sealed processing between cooling water supply system and the backplate, hollow frame is located backplate left and right sides is provided with two baffle, two place cleaning system between the baffle, hollow frame with the junction of backplate below is placed rain, dew and is collected filtration system, hollow frame with the junction of backplate top is provided with water storage, water spray system.
Preferably, the cleaning system comprises a fixing shaft, two sides of the fixing shaft are rotationally connected with sliding blocks, two guiding ropes are connected to the sliding blocks, gears are respectively arranged at the positions, close to the two sides, of the fixing shaft, the gears are fixedly connected with the fixing shaft, a fixing plate is sleeved between the two gears, the front ends of the fixing plates are connected with a rubber shovel plate in parallel, the rear ends of the fixing plates are vertically connected with a plastic scraping plate, a reset plate is connected with the middle of the plastic scraping plate, a roller-type brush is arranged in the middle of the fixing shaft, and the roller-type brush is fixedly connected with the fixing shaft.
Preferably, two guide plates are provided with sliding grooves on one side facing the cleaning system, the sliding blocks are in sliding connection with the sliding grooves, a groove is formed in the joint of the lower part of each guide plate and the back plate, racks are arranged in the grooves and meshed with the gears, a motor is arranged on one side, close to the water storage system and the water spraying system, of each guide plate, a winding wheel is arranged at the output end of each motor, and the winding wheels are connected with the guide ropes.
Preferably, the solar photovoltaic cell system comprises a solar photovoltaic panel, wherein a wire of the solar photovoltaic panel is connected with a junction box through a through hole in the back plate, and the junction box is positioned at the left side and the right side of the cooling water supply system.
Preferably, the cooling water supply system comprises a heat conducting plate, the heat conducting plate is inlaid in the back plate and is connected with the solar photovoltaic plate, the heat conducting plate and the back plate are subjected to sealing treatment, a certain number of cooling fins are vertically arranged at intervals below the heat conducting plate, a condensing plate is arranged below the back plate at a certain angle, a plurality of first through holes are formed in the middle of the condensing plate, the first through holes are connected with a cotton rope, one ends of the cotton ropes are contacted with the bottom surface and naturally drop, the other ends of the cotton ropes are connected with the cooling fins, the cooling water supply system further comprises a cooling box in a ladder shape, and the cooling box is communicated with the rain and dew collecting and filtering system and the water storage and spraying system.
Preferably, the rain and dew collecting and filtering system comprises baffle shafts arranged at the left side and the right side below the guide plate, torsion springs are arranged on the baffle shafts and connected with the baffle plates, a water filtering box is arranged on one side, far away from the baffle plates, of the baffle shafts, a coarse filter screen inclined at one side of the baffle shafts at a certain angle is arranged on the uppermost side of the water filtering box, more filter screens are further arranged in the water filtering box, a first opening is formed in the lower portion, located below the baffle plates, of the water filtering box, and the water filtering box is connected with the heat dissipation box through a second opening.
Preferably, the water storage and water spraying system comprises an evaporation box, the lower part of the evaporation box is composed of a light-transmitting shell, a small condensation plate which is inclined downwards at a certain angle is arranged above the evaporation box, a water storage cavity is arranged below the small condensation plate and close to one side of the cleaning system, a plurality of long cotton ropes are further arranged in the evaporation box, one ends of the long cotton ropes naturally droop to the bottom of the evaporation box, the other ends of the long cotton ropes naturally droop and hang in the water storage cavity, a plurality of water spraying pipelines are arranged at intervals in the middle of one side of the water storage cavity, a plurality of pistons are arranged at the bottom of the water storage cavity, piston shafts are connected in the pistons in a sliding mode, a water storage box is arranged above the piston shafts, a plurality of water outlets are arranged at intervals on one side of the bottom of the water storage box, which is close to the cleaning system, each water outlet corresponds to one water spraying pipeline one, a reset groove is arranged on one side of the middle of the water storage box, and a second through hole is arranged below each piston.
Preferably, the double-layer light-transmitting glass is divided into an upper layer light-transmitting glass and a lower layer light-transmitting glass, a first airtight space is arranged between the upper layer light-transmitting glass and the lower layer light-transmitting glass, a second airtight space is arranged between the lower layer light-transmitting glass and the back plate, the second airtight space is communicated with the second through hole, an elastic element is arranged in the second airtight space below one end of the lower layer light-transmitting glass, which is close to the water storage system and the water spraying system, the second illumination intensity detector is arranged on the outer side of the upper layer light-transmitting glass, and a first illumination intensity detector is arranged beside the solar photovoltaic panel below the lower layer light-transmitting glass.
The beneficial effects are that:
1. the invention compares the illumination intensity inside and outside the transparent glass through the two illumination intensity detectors inside and outside, if the difference is too large, a signal is generated and sent to the motor, the motor is started, the cleaning system cleans the transparent glass from top to bottom, and the water spraying device is triggered to spray water to clean the glass;
2. according to the invention, the rainwater collection and filtration system 7 is arranged to recycle water resources;
3. According to the solar photovoltaic panel water-storage and water-spraying system, the cooling water-supply system is arranged to cool the solar photovoltaic panel and simultaneously convey water upwards to the water-storage and water-spraying system;
4. According to the invention, the sealed space is arranged, so that the glass angle is changed when the temperature of the gas in the sealed space rises and expands, the sunlight incident angle is changed, and the water spraying device is triggered to spray water and cool.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view at A-A in FIG. 2;
FIG. 5 is a perspective view of a cleaning system;
FIG. 6 is a partial enlarged view at B in FIG. 4;
FIG. 7 is an enlarged view of a portion of FIG. 4 at C;
FIG. 8 is a partial enlarged view at D in FIG. 4;
fig. 9 is a partial enlarged view at E in fig. 8.
In the figure, a hollow frame 1, a back plate 2, a solar photovoltaic cell system 3, a solar photovoltaic panel 301, a junction box 302, a double-layer transparent glass 4, an upper-layer transparent glass 401, a lower-layer transparent glass 402, a first closed space 403, a second closed space 404, a first light intensity detector 405, a second light intensity detector 406, an elastic element 407, a cooling water supply system 5, a heat sink 501, a heat sink box 502, a condensation plate 503, a cotton string 504, a heat conduction plate 505, a first through hole 506, a guide plate 6, a chute 601, a groove 602, a rack 603, a motor 604, a cleaning system 7, a roller brush 701, a fixed plate 702, a rubber spade 703, a fixed shaft 704, a gear 705, a slider 706, a plastic scraper 707, a reset plate 708, a guide string 709, rain, a dew collection filtration system 8, a baffle 801, a baffle shaft 802, a coarse filtration net 803, a first opening 804, a second opening 805, a torsion spring 806, a filtration net 807, a 808, a water storage system 9, an evaporation box 901, a light-transmitting housing 902, a small condensation plate 903, a long cotton string 904, a second through hole 905, a water storage channel 907, a water spray shaft 908, a water spray channel 906, and a water outlet 906.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Referring to fig. 1-9, a circulating water cooling self-cleaning solar photovoltaic power generation device comprises a hollow frame 1, wherein a backboard 2 is arranged in the middle of the hollow frame 1, a solar photovoltaic cell system 3 is arranged above the backboard 2, double-layer transparent glass 4 is arranged above the solar photovoltaic cell system 3, sealing treatment is carried out between the double-layer transparent glass 4 and the hollow frame 1, a cooling water supply system 5 is arranged below the backboard 2, sealing treatment is carried out between the cooling water supply system 5 and the backboard 2, two guide plates 6 are arranged on the left side and the right side of the backboard 2 of the hollow frame 1, a cleaning system 7 is arranged between the two guide plates 6, a rain and dew collecting and filtering system 8 is arranged at the joint of the lowest part of the hollow frame 1 and the backboard 2, and a water storage and water spraying system 9 is arranged at the joint of the uppermost part of the hollow frame 1 and the backboard 2.
Further, the cleaning system 7 includes a fixing shaft 704, two sides of the fixing shaft 704 are rotatably connected with sliding blocks 706, two guiding ropes 709 are connected to the two sliding blocks 706, a gear 705 is respectively arranged at a position, close to the sliding blocks 706, of the fixing shaft 704, the gear 705 is fixedly connected with the fixing shaft 704, a fixing plate 702 is sleeved between the two gears 705 of the fixing shaft 704, the front end of the fixing plate 702 is connected with a rubber shovel 703 in parallel, the rear end of the fixing plate 702 is vertically connected with a plastic scraping plate 707, a reset plate 708 is connected in the middle of the plastic scraping plate 707, a roller-type brush 701 is arranged in the middle of the fixing shaft 704, and the roller-type brush 701 is fixedly connected with the fixing shaft 704.
Further, a sliding groove 601 is arranged on one side of the two guide plates 6 facing the cleaning system 7, a sliding block 706 is connected with the sliding groove 601 in a sliding way, a groove 602 is arranged at the joint of the lower part of the guide plates 6 and the backboard 2, a rack 603 is arranged in the groove 602, the rack 603 is meshed with a gear 705, a motor 604 is arranged on one side of the guide plates 6 close to the water storage and spraying system 9, a winding wheel is arranged at the output end of the motor 604, and a guide rope 709 is connected to the winding wheel.
Further, the solar photovoltaic cell system 3 comprises a solar photovoltaic panel 301, wires of the solar photovoltaic panel 301 are connected with a junction box 302 through holes in the back plate, and the junction box 302 is located on the left side and the right side of the cooling water supply system 5.
Further, the cooling water supply system 5 includes a heat conducting plate 505, the heat conducting plate is inlaid in the back plate 2 and is connected with the solar photovoltaic panel 301, and the heat conducting plate 505 and the back plate 2 are subjected to sealing treatment, a certain number of cooling fins 501 are vertically arranged below the heat conducting plate 505 at intervals, a condensing plate 503 is arranged below the back plate 2 at a certain angle, a plurality of first through holes 506 are arranged in the middle of the condensing plate 503, the first through holes 506 are connected with a cotton rope 504, one end of the cotton rope 504 is contacted with the natural sagging and contacts with the bottom surface, the other end of the cotton rope 504 is connected with the cooling fins 501, the cooling water supply system 5 further includes a cooling box 502 in a ladder shape, and the cooling box 502 is communicated with the rain and dew collecting and filtering system 8 and the water storage and spraying system 9.
Further, the rain and dew collecting and filtering system 8 comprises a baffle shaft 802 arranged below the left guide plate 6 and the right guide plate 6, a torsion spring 806 is arranged on the baffle shaft 802, the torsion spring 806 is connected with the baffle 801, a water filtering box 807 is arranged on one side, far away from the baffle 801, of the baffle shaft 802, a coarse filter screen 803 inclined towards one side of the baffle shaft 802 at a certain angle is arranged on the uppermost side of the water filtering box 807, more filter screens 808 are arranged in the water filtering box 807, a first opening 804 is arranged below the baffle 801 of the water filtering box 807, and the water filtering box 807 is connected with the heat dissipation box 502 through a second opening 805.
Further, the water storage and spraying system 9 comprises an evaporation box 901, the lower part of the evaporation box 901 is composed of a light-transmitting shell 902, a small condensation plate 903 inclined downwards at a certain angle is arranged above the evaporation box 901, a water storage cavity 912 is arranged at one end, close to the cleaning system 7, of the lower part of the small condensation plate 903, a plurality of long cotton ropes 904 are further arranged in the evaporation box, one ends of the long cotton ropes 904 naturally droop to the bottom of the evaporation box 901, the other ends of the long cotton ropes 904 naturally droop and hang in the water storage cavity 912, a plurality of water spraying pipelines 906 are arranged at intervals in the middle of one side, close to the cleaning system 7, of the water storage cavity 912, a plurality of pistons 909 are arranged at the bottom of the water storage cavity 912, a piston shaft 908 is slidably connected to each piston 909, a water storage box 907 is arranged above the piston shaft 908, a side, close to the cleaning system 7, a plurality of water outlets 911 are arranged at intervals at one side, close to the bottom of the water storage box 907, a reset groove 910 is arranged at one side, close to the cleaning system 7, of each piston is provided with a second through hole 905, and the bottom of each piston is arranged.
Further, the double-layer transparent glass 4 is divided into an upper-layer transparent glass 401 and a lower-layer transparent glass 402, a first closed space 403 is arranged between the upper-layer transparent glass 401 and the lower-layer transparent glass 402, a second closed space 404 is arranged between the lower-layer transparent glass 402 and the backboard 2, the second closed space 404 is communicated with a second through hole 905, an elastic element 407 is arranged in the second closed space 404 below one end, close to the water storage and spraying system 9, of the lower-layer transparent glass 402, a second illumination intensity detector 406 is arranged outside the upper-layer transparent glass 401, and a first illumination intensity detector 405 is arranged beside the solar photovoltaic panel 301 below the lower-layer transparent glass 402.
Principle of operation
Referring to fig. 1,3, 4 and 9, when the first illumination intensity detector 405 and the second illumination intensity detector 406 compare the illumination intensities inside and outside the transparent glass 4, if the difference between the illumination intensities inside and outside is too large, it is indicated that many shielding objects on the upper transparent glass 401 need to be cleaned, at this time, the detector generates a signal and sends the signal to the motor 604, the motor 604 receives the signal to start, the output end of the motor releases the guide rope 709, the sliding block 706 at the other end of the guide rope 709 slides downwards due to the gravity of the cleaning system 7, the gear 705 on the cleaning system 7 also rolls downwards on the rack 603, and meanwhile, the reset plate 708 is pulled out from the reset groove 910, so that the water storage box 907 moves upwards due to the air pressure, the water outlet 911 coincides with the water spraying channel 906, the water in the water storage box 907 is sprayed forward from the water spraying channel 906, and falls on the upper transparent glass 401, at this time, the cleaning system 7 slides downwards, and the upper transparent glass 401 is cleaned by using the sprayed water from top to bottom.
Referring to fig. 1, 4, 5 and 7, when the cleaning system 7 moves downwards to clean, the rubber shovel 703 firstly shovel up and push down the massive mud blocks, bird droppings and other shielding objects by means of water, then the drum-type brush 701 cleans down the garbage such as fine dust on the upper transparent glass 401, and finally the plastic scraper 707 erases the residual water stain on the upper transparent glass 401 downwards; when the cleaning system 7 reaches the bottommost part, the rubber shovel 703 contacts with the baffle 801 and scoops up the baffle 801, the baffle 801 scoops up the large garbage on the rubber shovel 703, because the baffle 801 is scooped up by the rubber shovel 703 to incline upwards, the scooped large garbage mixed water slides to one side of the coarse filter 803 and stays on the coarse filter 803, wherein the water passes through the coarse filter 803 and enters the water filtering box 807, the large garbage stays on the coarse filter 803, at the moment, the plastic scraper 707 scrapes the residual water from the upper transparent glass 401 down along the gap between the baffle 801 and the upper transparent glass 401, enters the water filtering box 807 through the first opening 804, the water is filtered through the multi-layer filter 808 in the water filtering box 807, enters the heat dissipation box 502 through the second opening 805, and water recycling is realized through a series of activities, at the moment, the cleaning system 7 finishes the cleaning task, returns to the initial position under the action of the motor 604 through the guide rope 709 and the slide 706, the reset plate 708 is reset under the action of the baffle shafts 802 and the torsion springs 806, the reset plate 708 is reset under the action of the baffle shafts 907.
Referring to fig. 6, 7 and 8, after the solar photovoltaic panel 301 receives light and starts to generate electricity, the solar photovoltaic panel 301 starts to heat up due to direct solar energy, the heat conducting plate 505 embedded in the back plate 2 and in direct contact with the solar photovoltaic panel 301 transfers heat to the heat radiating fins 501, at this time, the water recovered by washing is stored in the heat radiating box 502, so that a part of the heat radiating fins 501 is immersed in water to radiate heat by means of water, a part of the water absorbs heat to accelerate evaporation rate, a large amount of water vapor is generated, the water vapor moves upwards to contact the condensing plate 503, is condensed into water droplets on the condensing plate 503, because the condensing plate 503 is inclined downwards at a certain angle, the water droplets slide and gather on the condensing plate 503 to drop into the second stage heat radiating box 502, and the other part of the water is transported upwards through the wick 504 by capillary phenomenon and siphon principle, reaches the upper half of the second stage heat radiating fins 501 through the first through holes 506 on the condensing plate, and flows downwards into the second stage heat radiating box 502 along the heat radiating fins 501, the upper half of the heat radiating fins 501 is helped to circulate reciprocally, a part of the water enters the evaporating box 901 to absorb heat, a large amount of the water to accelerate evaporation rate, the water vapor is greatly generated, the water vapor moves upwards to contact the condensing plate 503, and is condensed into the condensing plate 503, and drops into the condensing plate 503, and finally, and drops into the condensing plate 907 and gathers upwards by capillary phenomenon because the water and spreads upwards through the capillary phenomenon.
Referring to fig. 7, 8 and 9, after the sun gradually rises and irradiates the transparent glass 4, the easily-expanding gas in the first closed space 403 is heated and expanded first and extrudes the lower transparent glass 402, because the lower transparent glass 402 is close to one end of the rain and dew collecting and filtering system 8 and the other end is fixed, the elastic element 407 below extrusion is carried out, and as the sun rises, the temperature rises, the larger the gas expansion is, the lower transparent glass 402 is extruded downwards, the larger the angle change of the lower transparent glass 402 is, the change of the incident angle is realized, the incidence angle is changed, the sunlight incidence rate is increased, the power generation efficiency is increased, then the temperature in the second closed space 404 is increased, the gas expands, but because the temperature of the gas in the second closed space is not higher than that in the first closed space, the gas in the back plate is extruded by the lower transparent glass 402 and the gas in the second closed space generates expansion by itself, the piston 909 is extruded by the second through the second through holes 905, the piston 907 is pushed upwards, the water outlet 911 is coincident with the channel 906, and the water in the water storage box is sprayed forwards from the water spraying channel because of the self weight of the water in the water storage box is sprayed out of the water spraying channel.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (3)
1. The utility model provides a circulating water cooling self-cleaning's solar photovoltaic power generation device, includes cavity frame (1), its characterized in that: the solar photovoltaic cell system (3) is placed above the back plate (2), double-layer transparent glass (4) is placed above the solar photovoltaic cell system (3), sealing treatment is carried out between the double-layer transparent glass (4) and the hollow frame (1), a cooling water supply system (5) is arranged below the back plate (2), sealing treatment is carried out between the cooling water supply system (5) and the back plate (2), the hollow frame (1) is positioned on the left side and the right side of the back plate (2), two guide plates (6) are arranged, a cleaning system (7) is placed between the two guide plates (6), a rain and dew collecting and filtering system (8) is placed at the joint of the hollow frame (1) and the lowest part of the back plate (2), and a water storage and spraying system (9) is arranged at the joint of the uppermost part of the hollow frame (1) and the back plate (2);
the cleaning system (7) comprises a fixed shaft (704), two sides of the fixed shaft (704) are rotatably connected with sliding blocks (706), two guide ropes (709) are connected to the two sliding blocks (706), a gear (705) is arranged at the position, close to the two sides, of the fixed shaft (704) respectively, the gear (705) is fixedly connected with the fixed shaft (704), a fixed plate (702) is sleeved between the two gears (705) of the fixed shaft (704), the front end of the fixed plate (702) is connected with a rubber shovel plate (703) in parallel, the rear end of the fixed plate (702) is vertically connected with a plastic scraping plate (707), a reset plate (708) is connected to the middle of the plastic scraping plate (707), a roller-type hairbrush (701) is arranged in the middle of the fixed plate (702), and the hairbrush (701) is fixedly connected with the fixed shaft (704);
Two guide plates (6) are provided with a chute (601) on one side facing a cleaning system (7), a sliding block (706) is slidably connected with the chute (601), a groove (602) is formed in the joint of the lower part of each guide plate (6) and the back plate (2), a rack (603) is arranged in each groove (602), the rack (603) is meshed with the gear (705), a motor (604) is arranged on one side, close to a water storage and spraying system (9), of each guide plate (6), a winding wheel is arranged at the output end of each motor (604), and a guide rope (709) is connected to each winding wheel;
The solar photovoltaic cell system (3) comprises a solar photovoltaic panel (301), wherein a wire of the solar photovoltaic panel (301) is connected with a junction box (302) through a through hole in the back plate, and the junction box (302) is positioned at the left side and the right side of the cooling water supply system (5);
The cooling water supply system (5) comprises a heat conducting plate (505), wherein the heat conducting plate is inlaid in the back plate (2) and is connected with the solar photovoltaic plate (301), the heat conducting plate (505) and the back plate (2) are subjected to sealing treatment, a certain number of radiating fins (501) are vertically arranged below the heat conducting plate (505) at intervals, a condensing plate (503) is arranged below the back plate (2) at a certain angle, a plurality of first through holes (506) are formed in the middle of the condensing plate (503), one cotton ropes (504) are connected to the first through holes (506), one ends of the cotton ropes (504) are contacted with the natural sagging and are contacted with the bottom surface, the other ends of the cotton ropes (504) are connected to the radiating fins (501), the cooling water supply system (5) further comprises a ladder-shaped radiating box (502), and the radiating box (502) is communicated with the rain and dew collecting and filtering system (8) and the water storage and water spraying system (9);
The rainwater collection and filtration system (8) comprises baffle shafts (802) arranged on the left side and the right side below the guide plate (6), torsion springs (806) are arranged on the baffle shafts (802), the torsion springs (806) are connected with baffles (801), a water filtering box (807) is arranged on one side, far away from the baffles (801), of each baffle shaft (802), a coarse filter screen (803) inclined at one side of the baffle shafts (802) is arranged on the uppermost side of each water filtering box (807), more filter screens (808) are further arranged in each water filtering box (807), a first opening (804) is formed in the lower portion of each baffle (801), and each water filtering box (807) is connected with the corresponding heat dissipation box (502) through a second opening (805).
2. The circulating water cooling self-cleaning solar photovoltaic power generation device according to claim 1, wherein: the water storage and spray system (9) comprises an evaporation box (901), the lower part of the evaporation box (901) is composed of a light-transmitting shell (902), a small condensation plate (903) which is inclined downwards at a certain angle is arranged above the evaporation box (901), a water storage cavity (912) is arranged below the small condensation plate (903) and close to one end of the cleaning system (7), a plurality of long cotton ropes (904) are further arranged in the evaporation box, one end of each long cotton rope (904) naturally sags to the bottom of the evaporation box (901), the other end of each long cotton rope naturally sags to hang in the water storage cavity (912), a plurality of spray pipes (906) are arranged at intervals in the middle of one side of the water storage cavity (912) close to the cleaning system (7), a plurality of pistons (909) are arranged at the bottom of the water storage cavity (912), a plurality of pistons (907) are connected with a piston shaft (908) in a sliding mode, a box (907) is arranged above the piston shaft (908), one side of the bottom of the evaporation box (907) is close to one side of the cleaning system (7) and is provided with a plurality of spray pipes (911) which are in a reset mode, a plurality of water outlets (911) are arranged at intervals in the middle of one side of the water storage cavity (907) close to one side of the water storage system (911), a second through hole (905) is arranged below each piston.
3. The circulating water cooling self-cleaning solar photovoltaic power generation device according to claim 2, wherein: the double-layer light-transmitting glass (4) is divided into an upper layer light-transmitting glass (401) and a lower layer light-transmitting glass (402), a first airtight space (403) is arranged between the upper layer light-transmitting glass (401) and the lower layer light-transmitting glass (402), a second airtight space (404) is arranged between the lower layer light-transmitting glass (402) and the backboard (2), the second airtight space (404) is communicated with the second through hole (905), an elastic element (407) is arranged in the second airtight space (404) below the lower layer light-transmitting glass (402) close to one end of the water storage and water spraying system (9), a second illumination intensity detector (406) is arranged on the outer side of the upper layer light-transmitting glass (401), and a first illumination intensity detector (405) is arranged beside the lower layer light-transmitting glass (402) below the solar photovoltaic panel (301).
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| US20130269755A1 (en) * | 2012-04-12 | 2013-10-17 | Yin Xu | Solar glass thermoelectric integrated device |
| KR101234054B1 (en) * | 2012-08-29 | 2013-02-15 | 이원기 | Apparatus for cleaning and coling solar panel |
| CN109980681B (en) * | 2019-03-05 | 2020-06-26 | 内蒙古能源规划设计研究院有限公司 | Generating capacity optimizing system of photovoltaic power station |
| CN110700501B (en) * | 2019-10-28 | 2021-07-02 | 河南应用技术职业学院 | Self-cleaning CPC concentrating photovoltaic energy-saving flat roof based on sponge city |
| CN111313821A (en) * | 2020-03-04 | 2020-06-19 | 湖南城市学院 | Automatically cleaning cooling type photovoltaic power generation device |
| CN214900792U (en) * | 2020-12-15 | 2021-11-26 | 上海昊格零碳航天设备技术有限公司 | Cooling structure of solar photovoltaic system |
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