CN111541419B - Photovoltaic system of agricultural greenhouse - Google Patents
Photovoltaic system of agricultural greenhouse Download PDFInfo
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- CN111541419B CN111541419B CN202010435826.6A CN202010435826A CN111541419B CN 111541419 B CN111541419 B CN 111541419B CN 202010435826 A CN202010435826 A CN 202010435826A CN 111541419 B CN111541419 B CN 111541419B
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000011888 foil Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241001075561 Fioria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/243—Collecting solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
-
- 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
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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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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention belongs to the technical field of agricultural greenhouses, in particular to a photovoltaic system of an agricultural greenhouses, and provides a scheme for solving the problem of incomplete heat dissipation. The invention is provided with the motor, the rotating rod, the fan blades, the long strips, the arc-shaped openings, the round holes and the small fan blades, the motor is started, the motor drives the rotating rod and the fan blades to rotate, the long strips are of a zigzag structure, the structures with different sizes and specifications of the round holes, different sizes of the arc-shaped openings and different angles and the small inclined fan blades can generate vortexes with different shapes, and further impact and flow the surrounding air.
Description
Technical Field
The invention relates to the technical field of agricultural greenhouses, in particular to a photovoltaic system of an agricultural greenhouse.
Background
The photovoltaic greenhouse is characterized in that a solar thin-film cell panel is arranged at the top of a common greenhouse, solar energy is utilized to divide solar radiation into light energy required by plants and light energy generated by solar energy, the requirements of plant growth are met, photoelectric conversion is realized, a photovoltaic system of the greenhouse plays a main role in a solar photovoltaic panel, the power generation efficiency of the solar photovoltaic panel is determined according to illumination intensity, the relationship between the power generation efficiency of the solar photovoltaic panel and the temperature of the environment is avoided, and the higher the temperature is, the greater the damage to the solar photovoltaic panel is.
Through retrieval, chinese patent with grant number CN209565515U discloses a solar photovoltaic panel convenient for heat dissipation, which comprises a base, an inclined bracket and a mounting bin, wherein the inclined bracket is mounted at the top of the base through a bolt.
The above patent also has the following disadvantages: the device utilizes the semiconductor refrigeration piece to dissipate heat of the solar energy optical panel, but the semiconductor refrigeration piece is a heat transfer tool, and the other end can heat up when one end is cooled, so that the heat can not be effectively dissipated around the solar energy photovoltaic panel, the service life of the solar energy photovoltaic panel is influenced, and the use requirements of people can not be met obviously.
Disclosure of Invention
Based on the technical problem that the solar photovoltaic panel cannot meet the use requirements of people, the photovoltaic system of the agricultural greenhouse is provided.
The photovoltaic system of the agricultural greenhouse comprises a greenhouse body, wherein mounting grooves are formed in two sides of the outer wall of the greenhouse body, fixing rods are arranged at four corners of the inner wall of each mounting groove, a clamping groove is formed in the outer wall of the top of each fixing rod, a fixing plate is arranged on the outer wall of the top of each clamping groove, a motor is arranged on the outer wall of one side of each fixing plate, an output shaft of each motor is connected with a rotating rod through a coupling, four fan blades are arranged on the outer wall of each rotating rod and are distributed equidistantly, long strips are distributed equidistantly on the outer wall of one fan blade and are of a sawtooth structure, arc-shaped openings are distributed irregularly on the outer wall of one fan blade, and the arc-shaped openings are of structures with different sizes and different angles.
Preferably, the outer wall of one of the fan blades is provided with round holes distributed at equal intervals, and the round holes are of structures with different sizes and specifications.
Preferably, the outer wall of one of the fan blades is provided with small fan blades distributed equidistantly, the small fan blades are tilting mechanisms, and the angles of the small fan blades and the fan blades are different.
Preferably, the top outer wall of big-arch shelter body is provided with the connecting rod, and one side outer wall of connecting rod is provided with the canvas.
Preferably, one side inner wall in joint groove is provided with the connecting plate, and one side outer wall of connecting plate is provided with the spring, and the other end of spring is provided with the joint board, and one side outer wall of joint board and one side inner wall joint in joint groove have same solar photovoltaic board body.
Preferably, the outer wall of the bottom of the solar photovoltaic panel body is provided with radiating fins distributed at equal intervals, and the radiating fins are of a fold line structure.
Preferably, the number of the heat dissipation fins is fifteen to thirty, and the heat dissipation fins are made of a non-hydrophilic aluminum foil material.
Preferably, a heat dissipation opening is formed in the outer wall of one side of the clamping groove, and a ventilation opening is formed in the outer wall of one side of the mounting groove.
Preferably, the method comprises the following steps:
s: sunlight irradiates the solar photovoltaic panel, the solar photovoltaic panel converts the illumination radiation into an electric signal and transmits the electric signal to the solar controller, and the solar controller transmits the electric signal to the storage battery and the inverter;
s: the inverter converts alternating current into direct current, on one hand, the direct current can be supplied to electric appliances used in the agricultural greenhouse, and redundant electricity can be transmitted to a grid-connected system;
s: the solar photovoltaic panel can generate larger heat in the use process, and the solar photovoltaic panel is subjected to heat dissipation in three modes of fan blade heat dissipation, canvas heat dissipation and radiating fin heat dissipation;
s: fan blade heat dissipation: the motor is started, the motor drives the rotating rod to rotate, the fan blades start to rotate, the air flow rate around the solar photovoltaic panel is accelerated, heat can be discharged, different vortexes can be generated when the circular holes, the long strips, the small fan blades and the arc-shaped openings rotate, surrounding air can be further collided and flowed, and the flowing of the air is further accelerated;
s: canvas heat dissipation: the canvas is in a canvas structure on the sailboat, when wind exists, the air flow speed is increased, a low-pressure area is formed behind the sail due to the fact that the air flow speed on one side of the sail is increased, the air flow speed around the sail is increased, and the solar photovoltaic panel is further cooled;
s: heat dissipation fins: the radiating fins are of a fold line-shaped structure, the surface area of the radiating fins is increased, the radiating efficiency can be improved, in addition, the radiating fins are non-hydrophilic aluminum foils, the dew condensation water carrying capacity of the non-hydrophilic aluminum foils is small, the fin gaps and the hanging water capacity per se are small, the area of the fins and the air is increased, and the heat exchange efficiency is improved.
The beneficial effects of the invention are as follows:
1. this photovoltaic system convenient to heat dissipation, through being provided with the motor, the bull stick, the fan leaf, it is rectangular, the arc opening, round hole and little fan blade, open the motor, the motor drives bull stick and fan blade and rotates, rectangular zigzag structure, the big or small specification of round hole is different, the structure that the arc open-ended size varies and the angle is different and the little fan blade of slope all can produce the different swirl of shape, can carry out further clash and flow to air on every side, further flow with higher speed the air distributes away the heat that solar photovoltaic board produced.
2. This photovoltaic system convenient to heat dissipation through being provided with connecting rod and canvas, the shape of canvas is the canvas structure on the sailboat, and when wind, the air flow speed accelerates, and one side air flow speed of sail accelerates can form the low pressure region at the back of sail for the air flow speed around the sail, further dispels the heat to the solar photovoltaic board.
3. This photovoltaic system convenient to heat dissipation, through being provided with radiating fin, thermovent and vent, radiating fin is zigzag structure, radiating fin's surface area has been increased, can improve the radiating efficiency, radiating fin is non-hydrophilic aluminium foil in addition, non-hydrophilic aluminium foil dewfall takes the water yield few, fin clearance and itself hang the water yield few, fin and air area increase, make its heat exchange efficiency improve, vent and thermovent can carry out radiating while, can also prevent effectively that the rainwater from piling up the inside at the joint groove.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic system of an agricultural greenhouse according to the present invention;
FIG. 2 is a schematic view of part A of FIG. 1;
FIG. 3 is a schematic structural diagram of a ventilation opening of a photovoltaic system of an agricultural greenhouse according to the present invention;
FIG. 4 is a schematic view of the structure of part B of FIG. 3;
fig. 5 is a schematic structural diagram of a method for using the photovoltaic system of the agricultural greenhouse, which is provided by the invention.
In the figure: the solar photovoltaic greenhouse comprises a greenhouse body 1, a mounting groove 2, a solar photovoltaic panel body 3, a connecting rod 5, canvas 6, a connecting plate 7, a radiating fin 8, a clamping groove 9, a spring 10, a clamping plate 12, a fixing rod 13, a ventilation opening 14, a radiating opening 15, a fixing plate 16, a small fan blade 17, a motor 18, a round hole 19, a fan blade 20, a strip 21 and an arc opening 22.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a photovoltaic system of an agricultural greenhouse comprises a greenhouse body 1, mounting grooves 2 are fixed on both sides of the outer wall of the greenhouse body 1 through screws, fixing rods 13 are fixed at four corners of the inner wall of the mounting groove 2 through screws, clamping grooves 9 are fixed on the outer wall of the top of the fixing rods 13 through screws, and the outer wall of the top of the clamping groove 9 is fixed with a fixing plate 16 through a screw, the outer wall of one side of the fixing plate 16 is fixed with a motor 18 through a screw, and the output shaft of the motor 18 is connected with a rotating rod through a coupler, the outer wall of the rotating rod is welded with four fan blades 20 which are distributed at equal intervals, and the outer wall of one side of one of the fan blades 20 is provided with long strips 21 which are distributed equidistantly, the long strips 21 are of a zigzag structure, the outer wall of one of the fan blades 20 is provided with irregularly distributed arc-shaped openings 22, and the arc-shaped openings 22 have different sizes and different angles.
In the invention, the outer wall of one fan blade 20 is provided with round holes 19 distributed at equal intervals, and the round holes 19 are in structures with different sizes and specifications.
In the invention, the outer wall of one fan blade 20 is provided with small fan blades 17 distributed equidistantly, the small fan blades 17 are tilting mechanisms, and the angles of the small fan blades 17 and the fan blades 20 are different.
In the invention, the outer wall of the top of the greenhouse body 1 is provided with a connecting rod 5, and the outer wall of one side of the connecting rod 5 is provided with canvas 6.
According to the solar photovoltaic panel, the connecting plate 7 is fixed on the inner wall of one side of the clamping groove 9 through screws, the spring 10 is arranged on the outer wall of one side of the connecting plate 7, the clamping plate 12 is arranged at the other end of the spring 10, the same solar photovoltaic panel body 3 is clamped on the outer wall of one side of the clamping plate 12 and the inner wall of one side of the clamping groove 9, the radiating fins 8 distributed at equal intervals are arranged on the outer wall of the bottom of the solar photovoltaic panel body 3, the radiating fins 8 are of a fold line-shaped structure, the number of the radiating fins 8 is fifteen to thirty, and the radiating fins are made of non-hydrophilic aluminum foil materials.
In the invention, the outer wall of one side of the clamping groove 9 is provided with a heat radiation opening 15, and the outer wall of one side of the mounting groove 2 is provided with a ventilation opening 14.
The invention comprises the following steps:
s1: sunlight irradiates the solar photovoltaic panel, the solar photovoltaic panel converts the illumination radiation into an electric signal and transmits the electric signal to the solar controller, and the solar controller transmits the electric signal to the storage battery and the inverter;
s2: the inverter converts alternating current into direct current, on one hand, the direct current can be supplied to electric appliances used in the agricultural greenhouse, and redundant electricity can be transmitted to a grid-connected system;
s3: the solar photovoltaic panel can generate larger heat in the use process, and the solar photovoltaic panel is subjected to heat dissipation in three modes of fan blade heat dissipation, canvas heat dissipation and radiating fin heat dissipation;
s4: fan blade heat dissipation: the motor 18 is turned on, the motor 18 drives the rotating rod to rotate, the fan blade 20 starts to rotate, air flow rate around the solar photovoltaic panel is accelerated, heat can be discharged, different vortexes can be generated when the circular hole 19, the long strip 21, the small fan blade 17 and the arc-shaped opening 22 rotate, surrounding air can be further collided and flowed, and flowing of the air is further accelerated;
s5: canvas heat dissipation: the canvas 6 is in a canvas structure on the sailing boat, when wind exists, the air flowing speed is accelerated, a low-pressure area is formed behind the sail due to the fact that the air flowing speed on one side of the sail is accelerated, the air flowing speed around the sail is accelerated, and the solar photovoltaic panel is further cooled;
s6: heat dissipation fins: the radiating fins 8 are of a zigzag structure, the surface area of the radiating fins is increased, the radiating efficiency can be improved, in addition, the radiating fins are non-hydrophilic aluminum foils, the dew condensation water carrying capacity of the non-hydrophilic aluminum foils is small, the fin gaps and the hanging water capacity per se are small, the area of the fins and the air is increased, and the heat exchange efficiency is improved.
Connect the power with equipment, with the inner wall of 3 joints of solar photovoltaic board body at joint board 12 and joint groove 9, solar photovoltaic board body 3 turns into the signal of telecommunication with the illumination radiation and transmits for solar controller, solar controller transmits the signal of telecommunication for battery and dc-to-ac converter, radiating fin 8 is zigzag structure, radiating fin's surface area has been increased, can improve the radiating efficiency, canvas 6's shape is the canvas structure on the sailboat, when wind, the air flow speed accelerates, one side air flow speed of sail accelerates can form the low pressure region at the back of sail, accelerate the air flow speed around the sail, round hole 19, rectangular 21, little fan blade 17 and arc opening 22 can produce different swirl when the pivoted, can carry out further clash and flow to air around, further the flow of air has been accelerated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The photovoltaic system of the agricultural greenhouse is characterized in that mounting grooves (2) are formed in two sides of the outer wall of the greenhouse body (1), fixing rods (13) are arranged at four corners of the inner wall of each mounting groove (2), a clamping groove (9) is formed in the outer wall of the top of each fixing rod (13), a fixing plate (16) is arranged on the outer wall of the top of each clamping groove (9), a motor (18) is arranged on the outer wall of one side of each fixing plate (16), an output shaft of each motor (18) is connected with an adjusting rotating rod through a coupler, four fan blades (20) are distributed equidistantly on the outer wall of each adjusting rotating rod, long strips (21) are distributed equidistantly on the outer wall of one fan blade (20), each long strip (21) is of a sawtooth-shaped structure, and arc-shaped openings (22) which are distributed irregularly are formed in the outer wall of one fan blade (20), and arc opening (22) are the structure that just the angle is different for size, one side inner wall of joint groove (9) is provided with connecting plate (7), and one side outer wall of connecting plate (7) is provided with spring (10), and the other end of spring (10) is provided with joint board (12), and one side outer wall of joint board (12) and one side inner wall joint of joint groove (9) have same solar photovoltaic board body (3), the bottom outer wall of solar photovoltaic board body (3) is provided with radiating fin (8) that the equidistance distributes, and radiating fin (8) are the dogleg structure.
2. The photovoltaic system of an agricultural greenhouse as claimed in claim 1, wherein the fan blade (20) has circular holes (19) formed on the outer wall thereof, the circular holes (19) being equidistantly distributed, and the circular holes (19) are of different sizes.
3. The photovoltaic system of an agricultural greenhouse as claimed in claim 2, wherein the outer wall of one of the fan blades (20) is provided with small blades (17) which are equidistantly distributed, the small blades (17) are tilting mechanisms, and the angles of the small blades (17) and the wind blades (20) are different.
4. The photovoltaic system of an agricultural greenhouse as claimed in claim 1, wherein the top outer wall of the greenhouse body (1) is provided with a connecting rod (5), and one side outer wall of the connecting rod (5) is provided with canvas (6).
5. The photovoltaic system of an agricultural greenhouse of claim 1, wherein the number of the heat dissipation fins (8) is fifteen to thirty, and the heat dissipation fins are made of non-hydrophilic aluminum foil.
6. The photovoltaic system of the agricultural greenhouse as claimed in claim 1, wherein the clamping groove (9) is provided with a heat dissipating opening (15) on one side of the outer wall, and the mounting groove (2) is provided with a ventilation opening (14) on one side of the outer wall.
7. The method of using the photovoltaic system of the agricultural greenhouse of claim 1, comprising the following steps:
s1: sunlight irradiates the solar photovoltaic panel, the solar photovoltaic panel converts the illumination radiation into an electric signal and transmits the electric signal to the solar controller, and the solar controller transmits the electric signal to the storage battery and the inverter;
s2: the inverter converts alternating current into direct current, on one hand, the direct current can be supplied to electric appliances used in the agricultural greenhouse, and redundant electricity can be transmitted to a grid-connected system;
s3: the solar photovoltaic panel can generate larger heat in the use process, and the solar photovoltaic panel is subjected to heat dissipation in three modes of fan blade heat dissipation, canvas heat dissipation and radiating fin heat dissipation;
s4: fan blade heat dissipation: the motor (18) is turned on, the motor (18) drives the adjusting rotating rod to rotate, then the fan blade (20) starts to rotate, air flow rate around the solar photovoltaic panel is accelerated, heat can be discharged, different vortexes can be generated when the round hole (19), the strip (21), the small fan blade (17) and the arc-shaped opening (22) rotate, further collision and flowing can be carried out on surrounding air, and flowing of the air is further accelerated;
s5: canvas heat dissipation: the canvas (6) is in a canvas structure on the sailing boat, when wind exists, the air flow speed is accelerated, a low-pressure area is formed behind the sail due to the fact that the air flow speed on one side of the sail is accelerated, the air flow speed around the sail is accelerated, and the solar photovoltaic panel is further cooled;
s6: heat dissipation fins: the radiating fins (8) are of a fold line-shaped structure, the surface area of the radiating fins is increased, the radiating efficiency can be improved, in addition, the radiating fins are non-hydrophilic aluminum foils, the water carrying amount of dew condensation of the non-hydrophilic aluminum foils is small, the water hanging amount of fin gaps and the water hanging amount per se is small, the area of the fins and the air is increased, and the heat exchange efficiency is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010435826.6A CN111541419B (en) | 2020-05-21 | 2020-05-21 | Photovoltaic system of agricultural greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010435826.6A CN111541419B (en) | 2020-05-21 | 2020-05-21 | Photovoltaic system of agricultural greenhouse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111541419A CN111541419A (en) | 2020-08-14 |
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| US7059388B2 (en) * | 2003-12-19 | 2006-06-13 | Kuo Ta Chang | Heat dissipating device |
| TWM349433U (en) * | 2008-07-25 | 2009-01-21 | Jetpo Technology Inc | Solar electricity generating device |
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| CN103629300A (en) * | 2012-08-24 | 2014-03-12 | 舍弗勒技术股份两合公司 | Flywheel mass and torque transmission device |
| CN105358855A (en) * | 2013-05-15 | 2016-02-24 | 福特全球技术公司 | Integrated cooling system for clutch transmissions having a dry single clutch or a dry dual clutch |
| CN105545979A (en) * | 2014-10-24 | 2016-05-04 | 福特全球技术公司 | Clutch mechanism for motor vehicles |
| CN204942069U (en) * | 2015-08-11 | 2016-01-06 | 顾春苗 | A kind of cooling fan blade with low noise wheel |
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