CN112332761A - Automatically cleaning photovoltaic board - Google Patents
Automatically cleaning photovoltaic board Download PDFInfo
- Publication number
- CN112332761A CN112332761A CN202011129197.0A CN202011129197A CN112332761A CN 112332761 A CN112332761 A CN 112332761A CN 202011129197 A CN202011129197 A CN 202011129197A CN 112332761 A CN112332761 A CN 112332761A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic
- photovoltaic panel
- illumination time
- cleaning
- lifting mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005265 energy consumption Methods 0.000 claims abstract description 10
- 238000005286 illumination Methods 0.000 claims description 51
- 230000008859 change Effects 0.000 claims description 18
- 238000010248 power generation Methods 0.000 claims description 14
- 230000001680 brushing effect Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Classifications
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a self-cleaning photovoltaic panel, which comprises a bottom plate, wherein one end of a photovoltaic main board is hinged to the bottom plate, a lifting mechanism is installed on the bottom plate, and the other end of the photovoltaic main board is hinged to the lifting mechanism; the side surface of the photovoltaic mainboard is provided with a telescopic device, and the telescopic device is connected with a cleaning brush; the telescopic device and the lifting mechanism are both in wireless connection with a remote control device. According to the invention, whether the photovoltaic panel is cleaned or not is determined according to the input and output calculation of energy consumption, so that the electric energy output is effectively improved, and the problem that the output energy is reduced after cleaning is adjusted is solved.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to a self-cleaning photovoltaic panel.
Background
The photovoltaic panel is exposed and can be covered by rain, snow, wind, sand and the like, so that the power generation power of the photovoltaic panel is reduced. The orientation of the photovoltaic panel is adjusted by some photovoltaic panels through a sun tracking system, but cleaning the surface of the photovoltaic panel and adjusting the orientation of the photovoltaic panel are both energy-consuming processes, and after adjustment, the improved power generation energy is sometimes less than the adjusted energy consumption, so that the whole system is low in output energy and increases part abrasion. In addition, the power generation power of the photovoltaic panel is affected by factors such as the service life of the photovoltaic panel and the temperature, so that the efficiency improvement of power generation before and after cleaning is difficult to accurately predict.
Disclosure of Invention
In order to solve the problems, the invention provides a self-cleaning photovoltaic panel. According to the invention, whether the photovoltaic panel is cleaned or not is determined according to the input and output calculation of energy consumption, so that the electric energy output is effectively improved, and the problem that the output energy is reduced after cleaning is adjusted is solved.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
a self-cleaning photovoltaic panel comprises a bottom plate, wherein one end of a photovoltaic main board is hinged to the bottom plate, a lifting mechanism is mounted on the bottom plate, and the other end of the photovoltaic main board is hinged to the lifting mechanism; the side surface of the photovoltaic mainboard is provided with a telescopic device, and the telescopic device is connected with a cleaning brush; the telescopic device and the lifting mechanism are both wirelessly connected with a remote control device;
the remote control device is internally stored with a generating power comparison table, energy consumption A for cleaning and returning to the original position of the lifting mechanism and energy consumption B for adjusting the angle of the photovoltaic panel and returning to the original position of the photovoltaic panel by the telescopic device, wherein the generating power comparison table comprises generating power of the clean photovoltaic panel with different service lives under different temperature and illumination conditions as comparison generating power C; a photovoltaic auxiliary plate is fixed at the top of the photovoltaic main plate;
when the telescopic device cleans the photovoltaic main board, firstly brushing the photovoltaic auxiliary board, and then detecting the power generation power D of the photovoltaic auxiliary board and the power generation power E of the photovoltaic main board; determining the current moment, obtaining the remaining illumination time of the current day, obtaining the change condition of the illumination intensity in the remaining illumination time according to the angle of the sun relative to the photovoltaic panel at each moment in the remaining illumination time, and obtaining the temperature change of the area where the photovoltaic panel is located in the remaining illumination time according to a local meteorological department;
according to the generated power comparison table, obtaining corresponding ideal generated power F at the moment of detecting the generated power of the photovoltaic sub-board and the photovoltaic main board under the clear weather condition;
integrating to obtain the generated energy G of the photovoltaic mainboard in the clear and clean condition of the surface of the photovoltaic board in the residual illumination time according to the angle of the sun relative to the photovoltaic board at each moment in the residual illumination time, the change condition of the illumination intensity in the residual illumination time and the change of the temperature of the area where the photovoltaic board is located in the residual illumination time and by referring to a power generation power comparison table;
and cleaning the photovoltaic main board, otherwise, not cleaning.
According to the further improvement, before the lifting mechanism cleans the photovoltaic panel, the theoretical generating power E' of the photovoltaic main board under the clear condition is obtained according to the generating power comparison table and the angle between the sun and the photovoltaic panel;
and obtaining the change condition of the illumination intensity in the residual illumination time according to the residual illumination time of the day and the angle of the sun relative to the photovoltaic panel at each moment in the residual illumination time, obtaining the change condition of the temperature of the area where the photovoltaic panel is located in the residual illumination time, and adjusting the lifting mechanism, otherwise, not adjusting.
In a further improvement, four corners of the bottom plate are fixed with fixing supports.
In a further improvement, a plurality of convex rings are formed on the fixed support.
In a further improvement, the lifting mechanism is a cylinder, an oil cylinder or a screw rod mechanism.
In a further improvement, the telescopic device comprises a threaded rod in threaded connection with one end of the cleaning brush and a sliding rod in sliding connection with the other end of the cleaning brush, and the threaded rod is connected with the motor.
When [ (D/C) G- (E/C) G ] > A, the telescopic device is telescopically arranged in the residual illumination time to adjust the pre-generated power G1 and the post-adjusted generated power G2;
if (G2-G1) (E/E') > B, the lifting mechanism is adjusted, otherwise, the lifting mechanism is not adjusted.
According to the invention, whether the photovoltaic panel is cleaned or not is determined according to the input and output calculation of energy consumption, so that the electric energy output is effectively improved, and the problem that the output energy is reduced after cleaning is adjusted is solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
The self-cleaning photovoltaic panel shown in fig. 1 comprises a bottom plate 1, wherein one end of a photovoltaic main board 2 is hinged to the bottom plate 1, a lifting mechanism 3 is installed on the bottom plate 1, and the other end of the photovoltaic main board 2 is hinged to the lifting mechanism 3; the side surface of the photovoltaic mainboard 2 is provided with a telescopic device 4, and the telescopic device 4 is connected with a cleaning brush 5; the telescopic device 4 and the lifting mechanism 3 are both wirelessly connected with a remote control device;
the remote control device is internally stored with a generating power comparison table, energy consumption A for cleaning and returning to the original position by the lifting mechanism 3 and energy consumption B for adjusting the angle of the photovoltaic panel and returning to the original position by the telescopic device 4, wherein the generating power comparison table comprises generating power of the clean photovoltaic panel with different service lives under different temperature and illumination conditions as comparison generating power C; a photovoltaic auxiliary plate 6 is fixed at the top of the photovoltaic main plate 2;
when the telescopic device 4 cleans the photovoltaic main board 2, firstly brushing the photovoltaic auxiliary board 6, and then detecting the power generation power D of the photovoltaic auxiliary board 6 and the power generation power E of the photovoltaic main board 2; determining the current moment, obtaining the remaining illumination time of the current day, obtaining the change condition of the illumination intensity in the remaining illumination time according to the angle of the sun relative to the photovoltaic panel at each moment in the remaining illumination time, and obtaining the temperature change of the area where the photovoltaic panel is located in the remaining illumination time according to a local meteorological department;
according to the generated power comparison table, obtaining the corresponding ideal generated power F at the moment of detecting the generated power of the photovoltaic sub-board 6 and the photovoltaic main board 2 under the clear weather condition;
integrating to obtain the generated energy G of the photovoltaic main board 2 in the remaining illumination time under the condition of clear and clean surface of the photovoltaic board according to the angle of the sun relative to the photovoltaic board at each moment in the remaining illumination time, the change condition of the illumination intensity in the remaining illumination time and the change of the temperature of the area where the photovoltaic board is located in the remaining illumination time and by referring to a power generation power comparison table;
then when [ (D/C) × G- (E/C) × G ] > a, the telescoping device 4 cleans the photovoltaic main board 2, otherwise, the cleaning is not performed.
Before the lifting mechanism 3 cleans the photovoltaic panel, obtaining theoretical generating power E' of the photovoltaic main board 2 under a clear condition according to the generating power comparison table and the angle between the sun and the photovoltaic panel; obtaining the change condition of the illumination intensity in the residual illumination time according to the residual illumination time of the day and the angle of the sun relative to the photovoltaic panel at each moment in the residual illumination time, and obtaining the generated energy G1 before the adjustment and the generated energy G2 after the adjustment of the lifting mechanism 3 in the residual illumination time according to the change of the temperature of the area where the photovoltaic panel is located in the residual illumination time;
if (G2-G1) (E/E') > B, the lifting mechanism 3 performs adjustment, otherwise it does not.
Fixed brackets 7 are fixed at four corners of the bottom plate 1.
A plurality of convex rings 8 are formed on the fixed bracket 7.
The lifting mechanism 3 is a cylinder, an oil cylinder or a screw rod mechanism.
The telescopic device 4 comprises a threaded rod 9 in threaded connection with one end of the cleaning brush 5 and a sliding rod in sliding connection with the other end of the cleaning brush, and the threaded rod 9 is connected with a motor 10.
The above description is only one specific guiding embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention using this concept shall fall within the scope of the invention.
Claims (6)
1. A self-cleaning photovoltaic panel comprises a bottom plate (1), wherein one end of a photovoltaic main board (2) is hinged to the bottom plate (1), a lifting mechanism (3) is installed on the bottom plate (1), and the other end of the photovoltaic main board (2) is hinged to the lifting mechanism (3); the side surface of the photovoltaic main board (2) is provided with a telescopic device (4), and the telescopic device (4) is connected with a cleaning brush (5); the device is characterized in that the telescopic device (4) and the lifting mechanism (3) are both connected with a remote control device in a wireless way;
the remote control device is internally stored with a generating power comparison table, energy consumption A of the lifting mechanism (3) after cleaning and returning to the original position, and energy consumption B of the telescopic device (4) after photovoltaic panel angle adjustment and returning to the original position, wherein the generating power comparison table comprises generating power of the clean photovoltaic panel with different service lives under different temperature and illumination conditions as comparison generating power C;
a photovoltaic auxiliary plate (6) is fixed at the top of the photovoltaic main plate (2);
when the telescopic device (4) cleans the photovoltaic main board (2), firstly brushing the photovoltaic auxiliary board (6), and then detecting the power generation power D of the photovoltaic auxiliary board (6) and the power generation power E of the photovoltaic main board (2); determining the current moment, obtaining the remaining illumination time of the current day, obtaining the change condition of the illumination intensity in the remaining illumination time according to the angle of the sun relative to the photovoltaic panel at each moment in the remaining illumination time, and obtaining the temperature change of the area where the photovoltaic panel is located in the remaining illumination time according to a local meteorological department;
according to the generated power comparison table, obtaining the corresponding ideal generated power F at the moment of detecting the generated power of the photovoltaic sub-board (6) and the photovoltaic main board (2) under the clear weather condition;
integrating according to the angle of the sun relative to the photovoltaic panel at each moment in the residual illumination time, the change condition of the illumination intensity in the residual illumination time and the change of the temperature of the area where the photovoltaic panel is located in the residual illumination time and according to a power generation power comparison table to obtain the power generation amount G of the photovoltaic main board (2) in the residual illumination time under the condition of clear surface and clean surface of the photovoltaic panel;
when [ (D/C) G- (E/C) G ] > A, the telescopic device (4) cleans the photovoltaic main board (2), otherwise, the cleaning is not performed.
2. The self-cleaning photovoltaic panel as claimed in claim 1, wherein before the photovoltaic panel is cleaned by the lifting mechanism (3), the theoretical generated power E' of the photovoltaic main panel (2) under sunny conditions is obtained according to the generated power comparison table and the angle between the sun and the photovoltaic panel;
obtaining the change condition of the illumination intensity in the residual illumination time according to the residual illumination time of the day and the angle of the sun relative to the photovoltaic panel at each moment in the residual illumination time, and obtaining the generated energy G1 before the adjustment and the generated energy G2 after the adjustment of the lifting mechanism (3) in the residual illumination time according to the change of the temperature of the area where the photovoltaic panel is located in the residual illumination time;
if (G2-G1) (E/E') > B, the lifting mechanism (3) is adjusted, otherwise, the adjustment is not performed.
3. Self-cleaning photovoltaic panel according to claim 1, characterized in that fixing brackets (7) are fixed to the four corners of the bottom of the base plate (1).
4. Self-cleaning photovoltaic panel according to claim 3, characterized in that said fixing support (7) is formed with a plurality of protruding rings (8).
5. Self-cleaning photovoltaic panel according to claim 1, characterized in that the lifting mechanism (3) is a cylinder, a cylinder or a screw mechanism.
6. Self-cleaning photovoltaic panel according to claim 1, characterized in that the telescopic means (4) comprise a threaded rod (9) in threaded connection with one end of the cleaning brush (5) and a sliding rod in sliding connection with the other end of the cleaning brush, the threaded rod (9) being connected to a motor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129197.0A CN112332761A (en) | 2020-10-21 | 2020-10-21 | Automatically cleaning photovoltaic board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129197.0A CN112332761A (en) | 2020-10-21 | 2020-10-21 | Automatically cleaning photovoltaic board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112332761A true CN112332761A (en) | 2021-02-05 |
Family
ID=74312130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011129197.0A Withdrawn CN112332761A (en) | 2020-10-21 | 2020-10-21 | Automatically cleaning photovoltaic board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112332761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116048135A (en) * | 2023-02-10 | 2023-05-02 | 安徽工业大学 | Photovoltaic cleaning robot endurance optimization method |
-
2020
- 2020-10-21 CN CN202011129197.0A patent/CN112332761A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116048135A (en) * | 2023-02-10 | 2023-05-02 | 安徽工业大学 | Photovoltaic cleaning robot endurance optimization method |
| CN116048135B (en) * | 2023-02-10 | 2024-04-30 | 安徽工业大学 | Photovoltaic cleaning robot endurance optimization method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210205 |