CN213717902U - Photovoltaic power generation system protection device - Google Patents
Photovoltaic power generation system protection device Download PDFInfo
- Publication number
- CN213717902U CN213717902U CN202022936231.7U CN202022936231U CN213717902U CN 213717902 U CN213717902 U CN 213717902U CN 202022936231 U CN202022936231 U CN 202022936231U CN 213717902 U CN213717902 U CN 213717902U
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- Prior art keywords
- sensor
- photovoltaic
- controller
- photovoltaic panel
- snow
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- 238000010248 power generation Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a photovoltaic power generation system protection device, which comprises a photovoltaic bracket, wherein a rotating shaft is rotatably arranged at the top of the photovoltaic bracket and is in transmission connection with a driving motor arranged on the photovoltaic bracket; a photovoltaic panel fixing frame is fixed on the rotating shaft; the wind meter and rain sensor snow sensor wind meter and rain sensor snow sensor are mounted on the sensor mounting frame; the signal output ends of the wind meter, the rainfall sensor and the snow sensor are respectively electrically connected with the signal input end of the controller, and the signal input end of the driving motor is electrically connected with the signal output end of the controller. Full automatic control is realized to whole protection process, has reduced artifical change turned angle's work load, the management of the photovoltaic power plant of being convenient for.
Description
The technical field is as follows:
the utility model relates to a photovoltaic power generation field, concretely relates to photovoltaic power generation system protection device.
Background art:
the solar clean energy is a novel energy which is environment-friendly, safe and pollution-free and can convert solar energy into other forms of heat energy, electric energy and chemical energy, and other harmful gases or solid wastes are not generated in the energy conversion process. However, the photovoltaic power station has the following problems in use:
1. in windy weather, strong wind blows to the photovoltaic panel, and because the photovoltaic panel is obliquely arranged when in use, thrust can be generated when the photovoltaic panel is contacted with the wind, so that the photovoltaic bracket generates vibration, and even the photovoltaic bracket can be directly damaged, thereby influencing the normal use of the photovoltaic panel;
2. dust often adheres to the photovoltaic panel, so that sunlight is affected to irradiate the photovoltaic panel, and the power generation amount is reduced;
3. after the weather of heavy snow appears, a large amount of accumulated snow that can produce on the photovoltaic panel can crush photovoltaic board and photovoltaic support after reaching certain weight, produces unnecessary damage, influences the normal use of photovoltaic board.
The utility model has the following contents:
an object of the utility model is to provide an automatic photovoltaic power generation system protection device convenient to management.
The utility model discloses by following technical scheme implement:
a photovoltaic power generation system protection device comprises a photovoltaic support, wherein a rotating shaft is rotatably arranged at the top of the photovoltaic support and is in transmission connection with a driving motor arranged on the photovoltaic support; a photovoltaic panel fixing frame is fixed on the rotating shaft;
the wind meter and rain sensor snow sensor mounting structure comprises a sensor mounting frame, wherein a wind meter, a rain sensor and a snow sensor are mounted on the sensor mounting frame;
the signal output ends of the wind meter, the rainfall sensor and the snow sensor are respectively electrically connected with the signal input end of the controller, and the signal input end of the driving motor is electrically connected with the signal output end of the controller.
Preferably, an inclination angle sensor is installed on the photovoltaic panel fixing frame, and a signal output end of the inclination angle sensor is electrically connected with a signal input end of the controller.
The utility model has the advantages that:
1. in windy weather, the wind meter detects the wind speed, and when the wind speed is greater than a limit value, the controller controls the photovoltaic panel fixing frame to rotate to be horizontal, so that the resistance of the photovoltaic panel is reduced, the photovoltaic panel or the photovoltaic bracket is prevented from being damaged, and the normal use of the photovoltaic panel is ensured;
2. after raining on site, the controller controls the photovoltaic panel fixing frame to rotate in a range of 30-30 degrees from a vertical plane, dust attached to the photovoltaic panel is washed away by rainwater, and the power generation efficiency of the photovoltaic panel on sunny days is improved;
3. when snow weather appears, the controller controls the photovoltaic panel fixing frame to rotate, the included angle between the photovoltaic panel fixing frame and the vertical plane is reduced, snow falling on the photovoltaic panel slides on the ground under the action of gravity, and snow accumulation on the photovoltaic panel is avoided.
4. Full automatic control is realized to whole protection process, has reduced artifical change turned angle's work load, the management of the photovoltaic power plant of being convenient for.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the control circuit of the present invention.
In the figure: photovoltaic support 1, pivot 2, driving motor 3, photovoltaic board mount 4, sensor mounting bracket 5, anemometer 6, rainfall sensor 7, snow level sensor 8, controller 9, inclination sensor 10.
The specific implementation mode is as follows:
as shown in fig. 1 and 2, a photovoltaic power generation system protection device comprises a photovoltaic support 1, wherein a rotating shaft 2 is rotatably arranged at the top of the photovoltaic support 1, and the rotating shaft 2 is in transmission connection with a driving motor 3 arranged on the photovoltaic support 1; a photovoltaic panel fixing frame 4 is fixed on the rotating shaft 2;
the wind-driven snow gauge further comprises a sensor mounting frame 5, wherein a wind meter 6, a rainfall sensor 7 and a snow sensor 8 are mounted on the sensor mounting frame 5;
an inclination angle sensor 10 is arranged on the photovoltaic panel fixing frame 4;
the signal output ends of the anemometer 6, the rainfall sensor 7, the snow sensor 8 and the inclination angle sensor 10 are respectively and electrically connected with the signal input end of the controller 9, and the signal input end of the driving motor 3 is electrically connected with the signal output end of the controller 9;
in the embodiment, the initial working angle of the photovoltaic panel fixing frame 4 is 40 degrees from the vertical direction, the photovoltaic panel is installed on the photovoltaic panel fixing frame 4, when a strong wind weather occurs, the wind meter 6 detects the wind speed, taking a low bracket as an example, after the wind meter 6 detects that the wind speed is more than 11m/s, the wind meter 6 sends a signal to the controller 9, the controller 9 controls the driving motor 3 to rotate to drive the rotating shaft 2 to rotate, and further drives the photovoltaic panel fixing frame 4 to rotate, so that the photovoltaic panel fixing frame 4 is rotated to be horizontal, the resistance of the photovoltaic panel is reduced, and the photovoltaic panel or the photovoltaic bracket 1 is prevented from being damaged; if the wind meter 6 detects that the wind speed is less than 8m/s, the wind meter 6 sends a signal to the controller 9, the controller 9 controls the driving motor 3 to rotate, the photovoltaic panel fixing frame 4 is rotated back to form a 40-degree angle with the vertical plane, a release time difference exists in the process, and the rotation-back action is triggered when the wind meter 6 detects that the wind speed is less than 8m/s and reaches 300 seconds;
when the rainfall sensor 7 detects that the rainfall reaches a certain value, a signal is sent to the controller 9, the controller 9 controls the driving motor 3 to rotate, the photovoltaic panel fixing frame 4 is further rotated within a range of 30 degrees to-30 degrees from the vertical plane, dust attached to the photovoltaic panel is washed away by rainwater, the power generation efficiency of the photovoltaic panel on a fine day is improved, the swinging process of the photovoltaic panel fixing frame 4 lasts for 600 seconds, and after 600 seconds, the controller 9 controls the driving motor 3 to rotate, and the photovoltaic panel fixing frame 4 is rotated back to a position 40 degrees from the vertical plane;
when the snow quantity sensor 8 detects that the snow quantity reaches a certain value, a signal is sent to the controller 9, the controller 9 controls the driving motor 3 to rotate, the photovoltaic panel fixing frame 4 is further rotated, the photovoltaic panel fixing frame 4 is rotated to form a 30-degree angle with the vertical plane, the included angle between the photovoltaic panel fixing frame 4 and the vertical plane is reduced, snow falling on the photovoltaic panel slides on the ground under the action of gravity, snow accumulation on the photovoltaic panel is avoided, and a release time difference exists in the process, and the action of turning back can be triggered when the snow quantity sensor 8 detects that the snow stops and reaches 300 seconds;
in the weather of storm or snowstorm, the anemometer 6 and the rainfall sensor 7 or the snow sensor 8 respectively detect signals at the same time, the weather of strong wind is defaulted at the moment, and the photovoltaic panel fixing frame 4 is turned to be horizontal, so that the influence caused by strong wind is avoided;
in the rotation process of the driving motor 3 driving the rotating shaft 2, the inclination angle sensor 10 detects the rotation angle of the rotating shaft 2 and sends data back to the controller 9, so that the whole control system forms a closed loop, limit data are provided for driving the photovoltaic panel fixing frame 4, and the accuracy of the rotation angle is ensured.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A photovoltaic power generation system protection device which characterized in that: the photovoltaic bracket comprises a photovoltaic bracket, wherein a rotating shaft is rotatably arranged at the top of the photovoltaic bracket and is in transmission connection with a driving motor arranged on the photovoltaic bracket; a photovoltaic panel fixing frame is fixed on the rotating shaft;
the wind meter and rain sensor snow sensor mounting structure comprises a sensor mounting frame, wherein a wind meter, a rain sensor and a snow sensor are mounted on the sensor mounting frame;
the signal output ends of the wind meter, the rainfall sensor and the snow sensor are respectively electrically connected with the signal input end of the controller, and the signal input end of the driving motor is electrically connected with the signal output end of the controller.
2. A photovoltaic power generation system protection device in accordance with claim 1, wherein: the photovoltaic panel fixing frame is provided with an inclination angle sensor, and the signal output end of the inclination angle sensor is electrically connected with the signal input end of the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936231.7U CN213717902U (en) | 2020-12-09 | 2020-12-09 | Photovoltaic power generation system protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022936231.7U CN213717902U (en) | 2020-12-09 | 2020-12-09 | Photovoltaic power generation system protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213717902U true CN213717902U (en) | 2021-07-16 |
Family
ID=76786847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022936231.7U Expired - Fee Related CN213717902U (en) | 2020-12-09 | 2020-12-09 | Photovoltaic power generation system protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213717902U (en) |
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2020
- 2020-12-09 CN CN202022936231.7U patent/CN213717902U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 |