CN218678978U - Auxiliary system for coastal area photovoltaic power station salt deposit resistance - Google Patents
Auxiliary system for coastal area photovoltaic power station salt deposit resistance Download PDFInfo
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- CN218678978U CN218678978U CN202222908784.0U CN202222908784U CN218678978U CN 218678978 U CN218678978 U CN 218678978U CN 202222908784 U CN202222908784 U CN 202222908784U CN 218678978 U CN218678978 U CN 218678978U
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- negative electrode
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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
Abstract
The utility model relates to an auxiliary system for the salt deposit resistance of a photovoltaic power station in coastal areas, which comprises a photovoltaic component, wherein the photovoltaic component is electrically connected with an external power grid; an electrical storage device; the electric storage device is electrically connected with the photovoltaic module; the positive electrode belt and the negative electrode belt are respectively and electrically connected with the positive electrode and the negative electrode of the electric storage device, and the positive electrode belt and the negative electrode belt are arranged on the surface of the photovoltaic module with the salt layer at intervals; when the surface of the photovoltaic module is cleaned, the collapse of the high-salinity pollution layer can be accelerated through the action of the positive electrode belt and the negative electrode belt, the salt layer on the surface of the photovoltaic module is cleaned more rapidly and cleanly, the economic benefit of the whole life cycle of a photovoltaic power station system is guaranteed, and the problem that the salt deposition of photovoltaic power stations in coastal areas or other high-salinity areas influences the operation of the photovoltaic module is solved.
Description
Technical Field
The utility model relates to a photovoltaic power generation technical field especially relates to an auxiliary system that is used for coastal area photovoltaic power plant anti-salt deposit.
Background
The solar photovoltaic power generation is a green and clean energy utilization form, the distributed photovoltaic power generation is an important form of the photovoltaic power generation, the distributed photovoltaic power generation is generally close to a user side, the capacity is small, the grid-connected level is low, the distributed photovoltaic power generation is generally consumed on the spot, the field distribution is wide, and the like, and various types of land can be fully utilized; plays an important role in the strategic development of 'double carbon' in China. Sites such as industrial park plants, wharf warehouse roofs, residential or commercial buildings, leisure sites and the like in coastal areas can be used for building distributed photovoltaics, and peripheral areas of the sites are generally high in absorption capacity and do not need long-distance conveying, so that the sites are high-quality sites for building the distributed photovoltaics; however, the salt content in the air in coastal areas is large, under the action of sea wind, small particles of salt float with the wind and are easily deposited on the surfaces of photovoltaic modules and other electrical equipment, the salt is dissolved and evaporated to dryness through water, and is mixed with other pollutants, a high-salt pollution layer which is difficult to remove is easily formed on the surfaces of the photovoltaic modules, the photovoltaic power generation efficiency is reduced due to the fact that the salt is not removed, the cleaning cost is increased, bare metal of photovoltaic power station equipment is enabled to generate electrochemical action and rust, the service life of the equipment is shortened, the operation and maintenance cost of a system is greatly increased, the economic benefit of the whole life cycle of the photovoltaic power station system is reduced, and the development of distributed photovoltaic in areas with large salt content in the air such as coastal areas is severely restricted.
In summary, at present, no system capable of simply, rapidly, economically and reliably solving the problem that salt deposition of photovoltaic power stations in coastal areas or other high-salinity areas influences the operation of photovoltaic modules exists.
SUMMERY OF THE UTILITY MODEL
The utility model provides an auxiliary system for coastal area photovoltaic power plant anti-salt deposit when wasing the photovoltaic module surface, through the effect in positive and negative electrode zone, can accelerate the collapse on high salinity pollution zone, the salt layer clearance on photovoltaic module surface is more rapid and clean, has guaranteed photovoltaic power plant system full life cycle's economic benefits, has solved coastal or other high salinity regional photovoltaic power plant salt deposit influence photovoltaic module operation problems.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
an auxiliary system for resisting salt deposition of a photovoltaic power station in a coastal region comprises a photovoltaic module, wherein the photovoltaic module is electrically connected with an external power grid;
an electrical storage device; the power storage device is electrically connected with the photovoltaic module;
the positive electrode belt and the negative electrode belt are respectively electrically connected with the positive electrode and the negative electrode of the power storage device, and the positive electrode belt and the negative electrode belt are arranged on the surface of the photovoltaic module with the salt layer at intervals.
Preferably, the positive electrode strip and the negative electrode strip are respectively located at two ends of the surface of the photovoltaic module having the salt layer.
Preferably, the lengths of the positive electrode strip and the negative electrode strip are the same as the distance between the upper edge and the lower edge of the photovoltaic module.
Preferably, the positive electrode strips and the negative electrode strips are provided in plurality, the positive electrode strips and the negative electrode strips are alternately arranged, and any two adjacent positive electrode strips and any two adjacent negative electrode strips have an interval.
Preferably, a switch is provided between the positive electrode belt and the power storage device.
Preferably, still include the conflux pipeline, above-mentioned conflux pipeline locates the lower edge of above-mentioned photovoltaic module.
Preferably, the water collecting device further comprises a water collecting tank, and the water collecting tank is communicated with the water collecting pipeline.
Preferably, still include gas supply unit, air supply line and outlet duct, above-mentioned gas supply unit, air supply line and above-mentioned outlet duct communicate in proper order, and above-mentioned photovoltaic module's outside is located to above-mentioned outlet duct, and is provided with a plurality of gas pockets on the above-mentioned outlet duct lateral wall.
Preferably, the air flow supercharging device is further included, and the air flow supercharging device is communicated with the air supply pipeline.
Preferably, the air inlet of the air supply device is communicated with an air inlet pipeline, and a port of the air inlet pipeline is provided with a filter screen.
Compared with the prior art, the beneficial effects of the utility model reside in that:
through being provided with positive electrode zone and negative electrode zone that have the interval on photovoltaic module salt layer surface, supply power through power storage device, when wasing photovoltaic module, utilize positive electrode zone and negative electrode zone between the effect of voltage positive ion removal on the acceleration water film, thereby accelerate the collapse of high salinity pollution zone, the salt layer that collapses breaks away from the photovoltaic module surface under the drive of rivers, whole photovoltaic module's clearance time is shorter, and need not use extra cleaning equipment to go to clear up, the financial resources of using manpower sparingly, the economic benefits and the generating efficiency of photovoltaic power plant system full life cycle have been guaranteed, coastal or other regional photovoltaic power station salt deposit of high salinity influence photovoltaic module operation problem have been solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a frame diagram of the whole system of the present invention.
Fig. 2 is a surface view of the salt layer of the photovoltaic module shown in fig. 1.
Description of reference numerals:
1. a photovoltaic module; 2. an electrical storage device; 3. a positive electrode band; 4. a negative electrode band; 5. a switch; 6. a converging duct; 7. a confluence water tank; 8. a gas supply device; 9. a gas supply line; 10. an air outlet pipe; 101. air holes; 11. an air flow boost device; 12. an air inlet duct.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, the embodiment of the present invention provides an auxiliary system for resisting salt deposition of a photovoltaic power station in a coastal region, which includes a photovoltaic module 1, an electric storage device 2, a positive electrode strip 3 and a negative electrode strip 4; the photovoltaic module 1 is electrically connected with an external power grid and used for supplying power, the electric storage device 2, the positive electrode belt 3 and the negative electrode belt form a desalting system and are used for removing a salt layer on the surface of the photovoltaic module 1, specifically, the electric storage device 2 is electrically connected with the photovoltaic module 1, the positive electrode belt 3 and the negative electrode belt 4 are respectively electrically connected with a positive electrode and a negative electrode of the electric storage device 2, the electric storage device 2 can store partial electric quantity in the power generation peak or the electricity utilization valley of peripheral users of a photovoltaic power station and is used for electrode electricity utilization, and the electric storage device and other equipment such as the photovoltaic module 1 can form a set of comprehensive energy system to comprehensively manage the electricity utilization of the system; the positive electrode strips 3 and the negative electrode strips 4 are arranged on the surface, with a salt layer, of the photovoltaic assembly 1 at intervals, the positive electrode strips 3 and the negative electrode strips 4 are arranged in the front-rear direction of the surface, with a salt layer, of the photovoltaic assembly 1, when the photovoltaic assembly 1 needs to be cleaned or in rainy days, voltage is arranged between the positive electrode strips 3 and the negative electrode strips 4, and under the impact of water flow of the salt layer, positive ions in a water film can move towards the negative electrode strips 4 in an accelerated manner, negative ions in the water film can move towards the negative electrode strips 4 in an accelerated manner, so that salt in the water film is quickly decomposed, the purpose of quickly collapsing a high-salt pollution layer is achieved, the collapsed salt layer is separated from the surface of the photovoltaic assembly 1 under the driving of the water flow, compared with a general washing power station, the speed is higher, the salt layer cleaning time is shorter, extra cleaning equipment does not need to be used, manpower, material resources and financial resources are saved, the economic benefits and the power generation efficiency of the whole life cycle of a photovoltaic power station system are guaranteed, and the problem that photovoltaic assembly 1 runs along sea or other high-salinity areas with photovoltaic deposition salts is solved.
Specifically, the power storage device 2 may be a storage battery, and the power storage device 2 may be connected to a power transformer for adjusting the voltage at the two ends of the power storage device 2, so that the requirement of collapsing a salt layer is met, and the condition of damage to the photovoltaic module 1 is avoided.
Preferably, the positive electrode belt 3 and the negative electrode belt 4 are respectively located at two end portions of the surface of the photovoltaic module 1 with the salt layer, when the photovoltaic module 1 is cleaned, and the whole salt layer surface of the photovoltaic module 1 is washed by water flow, positive ions and negative ions in the water film can be pulled by the negative electrode belt 4 and the positive electrode belt 3, decomposition of the salt layer is accelerated, the positive electrode belt 3 and the negative electrode belt 4 can act on the whole salt layer, and the using effect is better.
Preferably, the lengths of the positive electrode strips 3 and the negative electrode strips 4 are the same as the distance between the upper edge and the lower edge of the photovoltaic module 1, so that the positive electrode strips 3 and the negative electrode strips 4 can act on the surface of the whole photovoltaic module 1, and the salt layer cleaning effect on the surface of the photovoltaic module 1 is better and more complete.
Preferably, the positive electrode strips 3 and the negative electrode strips 4 can be a plurality of positive electrode strips 3 and a plurality of negative electrode strips 4, the positive electrode strips 3 and the negative electrode strips 4 are arranged in a staggered manner, and any two adjacent positive electrode strips 3 and any two adjacent negative electrode strips 4 have intervals, and the interval between the two adjacent positive electrode strips 3 and any two adjacent negative electrode strips 4 is smaller, when a salt layer on the surface of the photovoltaic module 1 is cleaned, the two adjacent positive electrode strips 3 and any two adjacent negative electrode strips 4 are used for accelerating the disintegration of the salt layer between the two adjacent positive electrode strips 3 and the negative electrode strips 4, the disintegration time of the salt layer is shorter, and the cleaning effect is better.
Preferably, a switch 5 is arranged between the positive electrode belt 3 and the electric storage device 2, and the on-off state between the electric storage device 2 and the positive electrode belt 3 can be controlled by setting the switch 5, so as to control the on-off state of a desalination system formed by the three belts of the electric storage device 2, the positive electrode belt 3 and the negative electrode belt 4, when a salt layer on the surface of the photovoltaic module 1 needs to be cleaned or in rainy days, the switch 5 is turned on, the desalination system automatically works, when the photovoltaic module is not used at ordinary times, the switch 5 is kept off, specifically, the switch 5 can be an electric control switch 5, and the use is more convenient.
Preferably, still include the pipeline 6 that converges, the lower edge of photovoltaic module 1 is located to the pipeline 6 that converges, when wasing photovoltaic module 1 surface salt layer, in the salt that collapses gets into the pipeline 6 that converges along with rivers, then arrange fixed position, avoid the influence of salt water to photovoltaic power plant, and carry out proper processing to the salt water that converges, ensure to reach emission standard.
Preferably, a confluence water tank 7 is further included, the confluence water tank 7 is communicated with the confluence pipeline 6, and the collapsed salt enters the confluence pipeline 6 along with the water flow and then is discharged into the confluence water tank 7 to be collected for reuse.
Preferably, still include air feeder 8, air supply line 9 and outlet duct 10, air feeder 8, air supply line 9 and outlet duct 10 communicate in proper order, the outside of photovoltaic module 1 is located to outlet duct 10, and be provided with a plurality of gas pockets 101 on the outlet duct 10 lateral wall, air feeder 8, air supply line 9 and outlet duct 10 three constitute the air malleation system, reduce the salt granule deposit on photovoltaic module 1 surface, specifically, air feeder 8 draws air from the external world, supply with in the outlet duct 10 through air supply line 9, then spout to the periphery side of photovoltaic module 1 through a plurality of gas pockets 101 on the outlet duct 10, blow away and be about to falling in the salt granule on photovoltaic module 1 surface, thereby reduce the salt granule deposit on photovoltaic module 1 surface, and is simple and convenient to use, can also play the effect of cooling simultaneously, improve the generating efficiency of photovoltaic module 1.
Specifically, three air outlet pipes 10 are provided, the three air outlet pipes 10 are sequentially communicated and respectively arranged on three sides except the lower edge of the photovoltaic module 1, so that the photovoltaic module 1 is almost surrounded, the effect of reducing salt particles deposited on the surface of the photovoltaic module 1 is more obvious, the air holes 101 are formed in the upward side wall of each air outlet pipe 10, and each air outlet pipe 10 is uniformly provided with a plurality of air holes 101; specifically, the air suction port of the air supply device 8 is selected at a position with less influence from sea wind, the air supply device 8 is an air pump, and the air supply device 8 can be powered by the power storage device 2 or use the electricity in the power grid.
Preferably, the gas flow supercharging device 11 is further included, the gas flow supercharging device 11 is communicated with the gas supply pipeline 9, and can further supercharge the gas flow of the gas supply pipeline 9, so that the pressure of the gas sprayed out of the gas outlet pipe 10 is ensured; especially when the air supply pipeline 9 is long, the effect of using the airflow supercharging equipment 11 is obvious, and the pressure of the air sprayed out from the air outlet pipe 10 can be ensured; specifically, the airflow supercharging apparatus 11 is a supercharging pump, and the airflow supercharging apparatus 11 may be powered by the electrical storage device 2 or use electricity in a power grid.
Preferably, the air inlet of the air supply device 8 is communicated with an air inlet pipeline 12, and a filter screen is arranged at the port of the air inlet pipeline 12, so that impurities can be filtered, the impurities are prevented from entering a photovoltaic power generation area and polluting air in the photovoltaic power generation area.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. An auxiliary system for coastal area photovoltaic power plant salt deposit resistance, comprising: the photovoltaic module is electrically connected with an external power grid;
an electrical storage device; the power storage device is electrically connected with the photovoltaic module;
the photovoltaic module comprises a positive electrode belt and a negative electrode belt, wherein the positive electrode belt and the negative electrode belt are respectively and electrically connected with a positive electrode and a negative electrode of the power storage device, and the positive electrode belt and the negative electrode belt are arranged on the surface of the photovoltaic module with a salt layer at intervals.
2. Auxiliary system according to claim 1, characterized in that said positive and negative electrode strips are located respectively at the two ends of the surface of the photovoltaic module having a salt layer.
3. The auxiliary system according to claim 1, characterized in that the length of the positive and negative electrode strips is the same as the distance between the upper and lower edges of the photovoltaic module.
4. The auxiliary system according to claim 1, wherein the positive electrode strip and the negative electrode strip are a plurality of strips, the positive electrode strips and the negative electrode strips are arranged in a staggered manner, and any two adjacent positive electrode strips and negative electrode strips have a gap.
5. The assist system according to claim 1, characterized in that a switch is provided between the positive electrode belt and the electric storage device.
6. The support system of claim 1, further comprising a manifold disposed at a lower edge of the photovoltaic module.
7. The auxiliary system of claim 6, further comprising a combiner water tank in communication with the combiner pipe.
8. The auxiliary system of claim 1, further comprising a gas supply device, a gas supply pipeline and a gas outlet pipe, wherein the gas supply device, the gas supply pipeline and the gas outlet pipe are sequentially communicated, the gas outlet pipe is arranged on the outer side of the photovoltaic module, and a plurality of gas holes are formed in the side wall of the gas outlet pipe.
9. The assistance system of claim 8 further comprising an air flow pressurization device in communication with said air supply line.
10. The auxiliary system of claim 8, wherein the air inlet of the air supply device is communicated with an air inlet pipeline, and a port of the air inlet pipeline is provided with a filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222908784.0U CN218678978U (en) | 2022-10-31 | 2022-10-31 | Auxiliary system for coastal area photovoltaic power station salt deposit resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222908784.0U CN218678978U (en) | 2022-10-31 | 2022-10-31 | Auxiliary system for coastal area photovoltaic power station salt deposit resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218678978U true CN218678978U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222908784.0U Active CN218678978U (en) | 2022-10-31 | 2022-10-31 | Auxiliary system for coastal area photovoltaic power station salt deposit resistance |
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| CN (1) | CN218678978U (en) |
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2022
- 2022-10-31 CN CN202222908784.0U patent/CN218678978U/en active Active
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