CN114123967A - Solar photovoltaic power generation device capable of automatically cleaning through cooling of circulating water - Google Patents
Solar photovoltaic power generation device capable of automatically cleaning through cooling of circulating water Download PDFInfo
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- CN114123967A CN114123967A CN202111477582.9A CN202111477582A CN114123967A CN 114123967 A CN114123967 A CN 114123967A CN 202111477582 A CN202111477582 A CN 202111477582A CN 114123967 A CN114123967 A CN 114123967A
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- solar photovoltaic
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- cleaning
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 238000004140 cleaning Methods 0.000 title claims abstract description 48
- 238000010248 power generation Methods 0.000 title claims abstract description 30
- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 57
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 21
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000007639 printing Methods 0.000 claims description 20
- 238000001704 evaporation Methods 0.000 claims description 19
- 230000008020 evaporation Effects 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 18
- 230000005494 condensation Effects 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 17
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 238000005286 illumination Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003608 fece Anatomy 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
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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 light-transmitting 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 of the hollow frame, a cleaning system is arranged between the two guide plates, a rain and dew collecting and filtering system is arranged at the lowest joint of the hollow frame and the back plate, and a water storage system and a water spraying system are arranged at the highest joint. According to the invention, the solar photovoltaic panel is protected, cooled and cleaned by collecting and filtering rain and dew to recycle water resources, so that the service life of the solar photovoltaic panel is prolonged, the incident 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 is based on the principle of photovoltaic effect, utilizes solar cells to directly convert solar energy into electric energy, belongs to green clean energy, and has the advantages of no pollution, no noise and the like. And the solar energy resources in China are very rich, and the theoretical storage capacity reaches 17000 million tons of standard coal every year. The potential of developing and utilizing solar energy resources is very wide. Therefore, many enterprises or individuals can install a set of solar photovoltaic power generation device on the roof of a delivery room or on the roof of the delivery room or sell the solar photovoltaic power generation device by themselves or in a grid-connected mode. However, the solar photovoltaic power generation device used in a large area is not cleaned by people or is difficult to clean, and once dirt such as soil and dust in a large area appears on the solar photovoltaic power generation device, the power generation efficiency is greatly reduced; the solar power generation device can only contain about 10% -14% of light energy, most of the remaining light energy can be converted into heat energy, and a small part of the remaining 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; and the direct incident angle of the sun has great influence on the solar photovoltaic power generation device, the smaller the incident angle is, the more the sunlight is received, and the power generation efficiency is improved. And the solar photovoltaic power generation device which utilizes water resources circularly for cooling and cleaning and changes the solar incident angle does not appear in the prior art.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a solar photovoltaic power generation device which utilizes water resources to cool and clean circularly and changes the angle of glass along with the change of temperature so as to change the solar incident angle.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a solar photovoltaic power generation device of circulating water cooling automatically cleaning, includes the cavity frame, the centre of cavity frame is provided with the backplate, solar photovoltaic cell system is placed to the top of backplate, double-deck printing opacity glass is placed to solar photovoltaic cell system's top, double-deck printing opacity glass with do sealed processing between the cavity frame, the below of backplate is provided with the cooling and send among the water system, do sealed processing between cooling send water system and the backplate, the cavity frame is located the backplate left and right sides is provided with two baffles, two place cleaning system between the baffle, the cavity frame with the junction below the backplate is placed rain, dew and is collected filtration system, the cavity frame with the junction of backplate the top is provided with water storage, water injection system.
Preferably, the cleaning system includes the fixed axle, the both sides of fixed axle are rotated and are connected with the slider, two be connected with two guide ropes on the slider, the fixed axle is close to both sides slider department respectively is provided with a gear, the gear with fixed axle fixed connection, the fixed axle is located two the cover has a fixed plate between the gear, the front end parallel connection of fixed plate has a rubber shovel board, the rear end of fixed plate is connected with a plastics scraper blade perpendicularly, the intermediate junction of plastics scraper blade has the board that resets, the fixed axle is located the middle drum-type brush that is provided with of fixed plate, drum-type brush with fixed axle fixed connection.
Preferably, two the baffle is provided with the spout towards cleaning system one side, slider sliding connection the spout, the baffle below with the backplate department of linking to each other sets up a recess, set up the rack in the recess, the rack with gear intermeshing, the baffle is close to one side of water storage, water injection system is provided with the motor, the output of motor has the reel, connect on the reel the guide rope.
Preferably, the solar photovoltaic cell system comprises a solar photovoltaic panel, a wire of the solar photovoltaic panel is connected with the junction box through a through hole in the back panel, and the junction box is located on the left side and the right side of the cooling and water supply system.
Preferably, the cooling send water system to include the heat-conducting plate, the heat-conducting plate is inlayed in the backplate with the solar photovoltaic board links to each other, and the heat-conducting plate with sealed processing is done to the backplate, heat-conducting plate below vertical separation sets up the fin of a certain amount, the backplate below is provided with the condensation plate with certain angle, the centre of condensation plate is provided with a plurality of first through-holes, first through-hole is connected with a cotton rope, the one end contact nature of cotton rope is flagging and contact bottom surface, and the other end is connected on the fin, the cooling send water system still including the heat dissipation box that is the ladder shape, the heat dissipation box intercommunication rain, dew collect filtration system with water storage, water injection system.
Preferably, rain, dew are collected filtration system and are including setting up in the left and right sides baffle axle of baffle below, the epaxial torsional spring that is provided with of baffle, the torsional spring links to each other with the baffle, baffle axle is kept away from baffle one side and is provided with the drainage box, the top of drainage box is provided with one with certain angle to the coarse filtration net of baffle axle lopsidedness, still be provided with more filter screens in the drainage box, the drainage box is located the below of baffle and is provided with first opening, the drainage box pass through the second opening with the heat dissipation box links to each other.
Preferably, the water storage and 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 at one end, close to the cleaning system, below the small condensation plate, a plurality of long cotton ropes are further arranged in the evaporation box, one end of each long cotton rope naturally droops to the bottom of the evaporation box, the other end naturally droops in the water storage cavity, a plurality of water spraying pipelines are arranged at the middle part of one side, close to the cleaning system, of the water storage cavity at intervals, a plurality of pistons are arranged at the bottom of the water storage cavity, a piston shaft is connected in each piston in a sliding mode, the water storage box is arranged above the piston shaft, a plurality of water outlets are arranged at intervals, close to one side of the cleaning system, at the bottom of the water storage box, and each water outlet corresponds to one water spraying pipeline, and a reset groove is arranged at one side of the middle part of the water storage box, which is close to the cleaning system, and a second through hole is arranged below each piston.
Preferably, double-deck printing opacity glass divide into upper strata printing opacity glass and lower floor's printing opacity glass, set up first airtight space between upper strata printing opacity glass and the lower floor's printing opacity glass, set up the airtight space of second between lower floor's printing opacity glass and the backplate, the airtight space of second with the second through-hole communicates with each other, lower floor's printing opacity glass is close to the below of water storage, water injection system one end is located to be provided with elastic element in the airtight space of second, the outside of upper strata printing opacity glass sets up second illumination intensity detector, the next door that the below of lower floor's printing opacity glass lies in the solar photovoltaic board sets up first illumination intensity detector.
Has the advantages that:
1. the inside and outside illumination intensity of the transparent glass is compared by the inside and outside illumination intensity detectors, if the difference is overlarge, 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 meanwhile, the water spraying device is triggered to spray water to clean the glass;
2. the invention recycles water resources by arranging a rain and dew collecting and filtering system 7;
3. according to the solar photovoltaic panel cooling system, the solar photovoltaic panel is cooled by the cooling water supply system, and water is conveyed upwards to the water storage and spraying system;
4. according to the invention, the sealed space is arranged, so that the glass angle is changed when the gas in the sealed space is heated and expanded, the sunlight incident angle is changed, and meanwhile, the water spraying device is triggered to spray water for cooling.
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 taken at A-A of FIG. 2;
FIG. 5 is a perspective view of the cleaning system;
FIG. 6 is a partial enlarged view of the portion B in FIG. 4;
FIG. 7 is an enlarged view of a portion of FIG. 4 at C;
FIG. 8 is an enlarged view of a portion of FIG. 4 at D;
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 light-transmitting glass 4, an upper layer light-transmitting glass 401, a lower layer light-transmitting glass 402, a first closed space 403, a second closed space 404, a first illumination intensity detector 405, a second illumination intensity detector 406, an elastic element 407, a cooling and water-feeding system 5, a heat sink 501, a heat dissipation box 502, a condensation plate 503, a cotton rope 504, a heat conduction plate 505, a first through hole 506, a guide plate 6, a sliding chute 601, a groove 602, a rack 603, a motor 604, a cleaning system 7, a roller brush 701, a fixing plate 702, a rubber shovel plate 703, a fixing shaft 704, a gear 705, a sliding block 706, a plastic scraper 707, a reset plate 708, a guide rope 709, rain, a dew collection and filtration system 8, a baffle 801, a baffle shaft 802, a coarse filter screen 803, a first opening 804, a second opening 805, a torsion spring 806, a torsion spring, The water-saving and water-saving device comprises a water filtering box 807, a filter screen 808, a water storage and water spraying system 9, an evaporation box 901, a light-transmitting shell 902, a small condensation plate 903, a long cotton rope 904, a second through hole 905, a water spraying pipeline 906, a water storage box 907, a piston shaft 908, a piston 909, a resetting groove 910, a water outlet 911 and a water storage cavity 912.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
With reference to the accompanying drawings 1-9, a solar photovoltaic power generation device capable of cooling and self-cleaning by circulating water comprises a hollow frame 1, a back plate 2 is arranged in the middle of the hollow frame 1, a solar photovoltaic cell system 3 is arranged above the back plate 2, double-layer light-transmitting glass 4 is arranged above the solar photovoltaic cell system 3, sealing treatment is performed between the double-layer light-transmitting glass 4 and the hollow frame 1, a cooling water supply system 5 is arranged below the back plate 2, sealing treatment is performed 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 and provided with two guide plates 6, a cleaning system 7 is arranged between the two guide plates 6, rain and dew collection and filtration systems 8 are arranged at the lowest part of the hollow frame 1 and the back plate 2, and a water storage and spraying system 9 is arranged at the uppermost part of the hollow frame 1 and the back plate 2.
Further, 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 respectively arranged at a position of the fixed shaft 704 close to the two sliding blocks 706, 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, a rubber shovel plate 703 is parallelly connected to the front end of the fixed plate 702, a plastic scraper 707 is vertically connected to the rear end of the fixed plate 702, a reset plate 708 is connected to the middle of the plastic scraper 707, a roller brush 701 is arranged in the middle of the fixed shaft 704 located in the fixed plate 702, and the roller brush 701 is fixedly connected with the fixed shaft 704.
Furthermore, a sliding groove 601 is arranged on one side, facing the cleaning system 7, of the two guide plates 6, a sliding block 706 is connected with the sliding groove 601 in a sliding mode, a groove 602 is arranged at the joint of the lower portion of the guide plates 6 and the back plate 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, close to the water storage and water injection system 9, of the guide plates 6, 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, the wires of the solar photovoltaic panel 301 are connected with a junction box 302 through the through holes in the back panel, and the junction box 302 is located on the left side and the right side of the cooling water supply system 5.
Further, cooling send water system 5 to include heat-conducting plate 505, the heat-conducting plate is inlayed and is linked to each other with solar photovoltaic board 301 in backplate 2, and heat-conducting plate 505 is sealed with backplate 2 and is handled, heat-conducting plate 505 below vertical separation sets up fin 501 of a certain amount, backplate 2 below is provided with condensation plate 503 with certain angle, the centre of condensation plate 503 is provided with a plurality of first through-holes 506, first through-hole 506 is connected with a cotton rope 504, the one end contact nature flagging and the contact bottom surface of cotton rope 504, the other end is connected on fin 501, cooling send water system 5 still includes the heat dissipation box 502 that is the ladder shape, heat dissipation box 502 communicates rain, filtration system 8 and water storage are collected to the dew, water injection system 9.
Further, rain, dew collect filtration system 8 including setting up baffle axle 802 in the left and right sides 6 below of baffle, be provided with torsional spring 806 on the baffle axle 802, torsional spring 806 links to each other with baffle 801, baffle axle 802 is kept away from baffle 801 one side and is provided with drainage box 807, drainage box 807's the top is provided with the coarse filtration net 803 of a certain angle to baffle axle 802 lopsidedness, still be provided with more filter screens 808 among the drainage box 807, drainage box 807 is located the below of baffle 801 and is provided with first opening 804, drainage box 807 links to each other with heat dissipation box 502 through 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 of the lower part of the small condensation plate 903 close to 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 hangs down to the bottom of the evaporation box 901, the other end naturally hangs down in the water storage cavity 912, a plurality of water spraying pipelines 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 piston shaft 908 is connected in a sliding manner in each piston 909, a water storage box 907 is arranged above the piston shaft 908, a plurality of water outlets 911 are arranged at intervals at one side of the bottom of the water storage box 907 close to the cleaning system 7, each water outlet 911 corresponds to each water spraying pipeline 906, a reset groove 910 is arranged at one side of the middle part of the water storage box 907 close to the cleaning system 7, and a second through hole 905 is arranged below each piston.
Further, the double-layer light-transmitting glass 4 is divided into an upper layer of light-transmitting glass 401 and a lower layer of light-transmitting glass 402, a first closed space 403 is arranged between the upper layer of light-transmitting glass 401 and the lower layer of light-transmitting glass 402, a second closed space 404 is arranged between the lower layer of light-transmitting glass 402 and the back plate 2, the second closed space 404 is communicated with a second through hole 905, the lower layer of light-transmitting glass 402 is close to the water storage, the lower part of one end of the water spraying system 9 is located in the second closed space 404 and is provided with an elastic element 407, the outer side of the upper layer of light-transmitting glass 401 is provided with a second illumination intensity detector 406, and the lower part of the lower layer of light-transmitting glass 402 is located beside the solar photovoltaic panel 301 and is provided with a first illumination intensity detector 405.
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 intensity inside and outside the transparent glass 4, if the difference between the inside and outside illumination intensity is too large, it indicates that there are many shelters on the upper transparent glass 401 that need to be cleaned, at this time, the detectors generate signals and send the signals to the motor 604, the motor 604 receives the signals to start, the output end of the motor loosens the guide rope 709, the slider 706 at the other end of the guide rope 709 slides downwards due to the self-gravity of the cleaning system 7, the gear 705 on the cleaning system 7 rolls downwards on the rack 603, and the reset plate 708 is drawn out from the reset slot 910, causing the water storage box 907 to move 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 sprays forwards from the water spraying channel 906 due to its own weight, falls on the upper glass 401, at this time, the cleaning system 7 slides downwards, the upper transparent glass 401 is cleaned from the top to the bottom by the sprayed water.
With reference to fig. 1, 4, 5, and 7, when the cleaning system 7 moves downward for cleaning, the rubber shovel 703 firstly shovels large blocks of mud, bird droppings, and other shelters downward with water, then the roller brush 701 sweeps the garbage, such as fine dust, on the upper transparent glass 401 downward, and finally the plastic scraper 707 wipes off the water stain remaining on the upper transparent glass 401 downward; when the cleaning system 7 reaches the bottommost part, the rubber shovel plate 703 contacts with the baffle plate 801 and shovels the baffle plate 801, the baffle plate 801 shovels the large garbage on the rubber shovel plate 703, the baffle plate 801 is shoveled by the rubber shovel plate 703 to incline upwards, so that the shoveled large garbage is mixed with water and slides to one side of the coarse filter screen 803 to stay on the coarse filter screen 803, wherein the water enters the water filter box 807 after passing through the coarse filter screen 803, the large garbage still stays on the coarse filter screen 803, at this time, the plastic scraper 707 scrapes off the residual water stains from the upper layer transparent glass 401 and enters the water filter box 807 through the first opening 804 along the gap between the baffle plate 801 and the upper layer transparent glass 401, the water is filtered by the multi-layer filter screen 808 in the water filter box 807 and enters the heat dissipation box 502 through the second opening 805, and the water recycling is realized through a series of activities, at this time, the cleaning system 7 finishes the cleaning task and returns to the initial position under the action of the guide rope 709 and the sliding block 706 by the motor 604, the reset plate 708 presses the water storage box 907 again through the reset slot 910, and the baffle 801 is reset under the action of the baffle shaft 802 and the torsion spring 806.
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 directly contacted with the solar photovoltaic panel 301 transfers heat to the heat sink 501, at this time, the cleaned and recovered water is stored in the heat sink box 502, so that a part of the heat sink 501 is immersed in water to dissipate heat with the help of water, a part of the water absorbs heat and accelerates evaporation speed, a large amount of water vapor is generated, the water vapor moves upwards to contact the condensation plate 503 and condenses into water drops on the condensation plate 503, because the condensation plate 503 inclines downwards at a certain angle, the water drops slide on the condensation plate 503 and gather and drop into the second stage heat sink box 502, and the other part of the water is transported upwards through the cotton rope 504 by capillary phenomenon and siphon principle, reaches the upper half part of the second stage heat sink 501 through the first through hole 506 on the condensation plate and flows downwards along the heat sink 501 into the second stage heat sink box 502, the heat dissipation of the upper half part of the heat dissipation plate 501 is assisted, the heat dissipation is performed in a reciprocating cycle in sequence, after water enters the evaporation box 901, part of the water is upwards evaporated due to the fact that the light-transmitting shell 902 of the evaporation box 901 receives direct solar radiation, the water is condensed and gathered on the small condensation plate 903 and is dripped into the water storage box 907, the other part of the water is upwards transported through the long cotton rope 904 through the capillary phenomenon and the siphon principle, and finally the water is dripped into the water storage box 907.
With reference to fig. 7, 8 and 9, after the sun gradually rises and irradiates the transparent glass 4, the expandable gas in the first enclosed space 403 first heats up and expands and presses the lower transparent glass 402, because the lower transparent glass 402 is fixed near one end of the rain and dew collecting and filtering system 8, and the other end presses the elastic element 407 below, and along with the rise of the sun, the temperature rises, the gas expansion is larger, the lower transparent glass 402 is pressed downwards more, the angle change of the lower transparent glass 402 is larger, the incident angle is changed along with the rise of the sun, the sunlight incidence rate is increased, the power generation efficiency is increased, then the temperature in the second enclosed space 404 is increased, the gas expands, but because the cooling water supply system 5 is arranged below the back plate, the temperature of the gas in the second enclosed space is not higher than the temperature of the gas in the first enclosed space, and the gas in the second enclosed space, which is pressed by the lower transparent glass 402 and generates expansion by itself, extrudes the piston through the second through hole 905 When the piston 909 is pushed upwards, the water storage box 907 is driven to move upwards, the water outlet 911 is overlapped with the water spraying channel 906, and water in the water storage box 907 is sprayed forwards from the water spraying pipeline 906 due to self weight.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a solar photovoltaic power generation device of circulating water cooling automatically cleaning, includes cavity frame (1), its characterized in that: the solar photovoltaic solar energy water heater is characterized in that a back plate (2) is arranged in the middle of a hollow frame (1), a solar photovoltaic battery system (3) is arranged above the back plate (2), double-layer light-transmitting glass (4) is arranged above the solar photovoltaic battery system (3), the double-layer light-transmitting glass (4) and the hollow frame (1) are subjected to sealing treatment, a cooling water delivery system (5) is arranged below the back plate (2), the cooling water delivery system (5) and the back plate (2) are subjected to sealing treatment, the hollow frame (1) is located on the left side and the right side of the back plate (2) and provided with two guide plates (6), a cleaning system (7) is arranged between the guide plates (6), a rain and dew collecting and filtering system (8) is arranged at the lowest joint of the hollow frame (1) and the back plate (2), and a water storage and collection and filtering system (8) is arranged at the uppermost joint of the hollow frame (1) and the back plate (2), A water injection system (9).
2. The solar photovoltaic power generation device capable of cooling and self-cleaning by circulating water as claimed in claim 1, wherein: the cleaning system (7) comprises a fixed shaft (704), two sliding blocks (706) are rotatably connected to two sides of the fixed shaft (704), two guide ropes (709) are connected to the two sliding blocks (706), a gear (705) is respectively arranged on the fixed shaft (704) close to the sliding blocks (706) on the two sides, the gears (705) are fixedly connected with the fixed shaft (704), the fixed shaft (704) is sleeved with a fixed plate (702) between the two gears (705), 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 scraper (707), the middle of the plastic scraper (707) is connected with a reset plate (708), the fixed shaft (704) is positioned in the middle of the fixed plate (702) and is provided with a roller type brush (701), the roller type brush (701) is fixedly connected with the fixed shaft (704).
3. The solar photovoltaic power generation device capable of cooling and self-cleaning by circulating water as claimed in claim 2, wherein: two baffle (6) are provided with spout (601) towards cleaning system (7) one side, slider (706) sliding connection spout (601), baffle (6) below with backplate (2) department of linking to each other sets up a recess (602), set up rack (603) in recess (602), rack (603) with gear (705) intermeshing, baffle (6) are close to one side of water storage, water injection system (9) is provided with motor (604), the output of motor (604) has the reel, connect on the reel guide rope (709).
4. The solar photovoltaic power generation device capable of cooling and self-cleaning by circulating water as claimed in claim 1, wherein: the solar photovoltaic battery system (3) comprises a solar photovoltaic panel (301), a lead of the solar photovoltaic panel (301) is connected with the junction box (302) through a through hole in the back panel, and the junction box (302) is located on the left side and the right side of the cooling and water supply system (5).
5. The solar photovoltaic power generation device capable of cooling and self-cleaning by circulating water as claimed in claim 1, wherein: cooling send water system (5) to include heat-conducting plate (505), the heat-conducting plate is inlayed in backplate (2) with solar photovoltaic board (301) link to each other, and heat-conducting plate (505) with sealed processing is done in backplate (2), heat-conducting plate (505) below vertical separation sets up fin (501) of a certain amount, backplate (2) below is provided with condenser plate (503) with certain angle, the centre of condenser plate (503) is provided with a plurality of first through-holes (506), first through-hole (506) are connected with a cotton rope (504), the one end contact nature of cotton rope (504) is flagging and the bottom surface of contact, and the other end is connected on fin (501), cooling send water system (5) still including heat dissipation box (502) that are the ladder shape, heat dissipation box (502) intercommunication rain, dew collection filtration system (8) with storage water, A water injection system (9).
6. The solar photovoltaic power generation device capable of cooling and self-cleaning by circulating water as claimed in claim 2, wherein: rain, dew collect filtration system (8) including setting up in the left and right sides baffle axle (802) of baffle (6) below, be provided with torsional spring (806) on baffle axle (802), torsional spring (806) link to each other with baffle (801), baffle axle (802) are kept away from baffle (801) one side and are provided with water filtering box (807), water filtering box (807) the top be provided with one with certain angle to baffle axle (802) one side slope coarse filtration net (803), still be provided with more filter screen (808) in water filtering box (807), water filtering box (807) are located the below of baffle (801) and are provided with first opening (804), water filtering box (807) through second opening (805) with heat dissipation box (502) link to each other.
7. The solar photovoltaic power generation device capable of cooling and self-cleaning by circulating water as claimed in claim 1, wherein: 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) which inclines downwards at a certain angle is arranged above the evaporation box (901), one end of the lower part of the small condensation plate (903) close to the cleaning system (7) is provided with a water storage cavity (912), a plurality of long cotton ropes (904) are also arranged in the evaporation box, one end of each long cotton rope (904) naturally hangs down to the bottom of the evaporation box (901), the other end of each long cotton rope naturally hangs down in the water storage cavity (912), the middle part of one side of the water storage cavity (912) close to the cleaning system (7) is provided with a plurality of water spraying pipelines (906) at intervals, the bottom of the water storage cavity (912) is provided with a plurality of pistons (909), and each piston (909) is connected with a piston shaft (908) in a sliding manner, a water storage box (907) is arranged above the piston shaft (908), a plurality of water outlets (911) are arranged at intervals on one side, close to the cleaning system (7), of the bottom of the water storage box (907), each water outlet (911) corresponds to the water spraying pipeline (906) one by one, a reset groove (910) is arranged on one side, close to the cleaning system (7), of the middle of the water storage box (907), and a second through hole (905) is formed in the lower portion of each piston.
8. The solar photovoltaic power generation device capable of cooling and self-cleaning by circulating water as claimed in claim 1, wherein: double-deck printing opacity glass (4) divide into upper strata printing opacity glass (401) and lower floor printing opacity glass (402), set up first airtight space (403) between upper strata printing opacity glass (401) and lower floor printing opacity glass (402), set up second airtight space (404) between lower floor printing opacity glass (402) and backplate (2), second airtight space (404) with second through-hole (905) communicate with each other, lower floor printing opacity glass (402) are close to the below of water storage, water injection system (9) one end is located and is provided with elastic element (407) in second airtight space (404), the outside of upper strata printing opacity glass (401) sets up second illumination intensity detector (406), the next door that the below of lower floor printing opacity glass (402) is located solar photovoltaic board (301) sets up first illumination intensity detector (405).
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| CN116707422A (en) * | 2023-08-03 | 2023-09-05 | 江苏纳贝铝业有限公司 | Diversion trench type solar frame aluminum profile |
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| CN114123967B (en) | 2024-06-14 |
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