Method and system for determining cleaning scheme of photovoltaic module

Abstract

The invention provides a method and a system for determining a cleaning scheme of a photovoltaic module. The method comprises the following steps: acquiring weather forecast data within a preset duration; monitoring the monitoring result of the influence of dust on the photovoltaic module on the current by using a dust monitoring device mounted on the photovoltaic module; determining a cleaning scheme according to the monitoring result of the influence of the dust on the current and the weather forecast data within the preset duration; wherein the monitoring result comprises a dust shielding grade. According to the technical scheme provided by the invention, the cleaning cost of the photovoltaic module can be saved, and the economical efficiency of the photovoltaic power station is further improved.

Description

Technical Field

[0001] The present application relates to the technical field of photovoltaic module cleaning, and in particular to a method and system for determining a cleaning solution for a photovoltaic module. Background Art

[0002] In recent years, photovoltaic power generation, as one of the most important modes of clean energy generation, has gradually become the focus of energy development. Because photovoltaic cells are exposed to the outdoors for a long time, a layer of dust easily accumulates on their surface, making it difficult for sunlight to directly shine on the power generation area, which seriously reduces the actual power generation efficiency of photovoltaic cells. At the same time, the "heat island effect" caused by dust may cause damage to photovoltaic cells. Photovoltaic modules need to be cleaned in time to restore their power generation efficiency. The existing cleaning solutions are costly, which reduces the economic efficiency of photovoltaic power generation. Summary of the invention

[0003] The present application provides a method and system for determining a cleaning scheme for a photovoltaic component, so as to at least solve the technical problem that the cleaning scheme has a high cost, thereby reducing the economic efficiency of photovoltaic power generation.

[0004] The first embodiment of the present application provides a method for determining a cleaning scheme for a photovoltaic module, the method comprising:

[0005] Get weather forecast data within a preset time period;

[0006] The monitoring result of the influence of dust on the photovoltaic module on the current is monitored by using a dust monitoring device installed on the photovoltaic module;

[0007] Determining a cleaning plan according to the monitoring result of the effect of the dust on the current and the weather forecast data within the preset time period;

[0008] Wherein, the monitoring results include: dust shielding level.

[0009] Preferably, the dust monitoring device comprises: a monitoring probe and a calibration photovoltaic panel;

[0010] The monitoring probe is used to monitor the amount of radiation received by the photovoltaic module;

[0011] The calibration photovoltaic panel is used to monitor the current value of the photovoltaic module;

[0012] The calibration photovoltaic panel is further used to determine the irradiance corresponding to the current value based on the current value, and to determine the dust shielding level of the photovoltaic component based on the irradiance corresponding to the current value and the irradiance received by the photovoltaic component.

[0013] Furthermore, the dust shielding levels include: level one, level two, level three and level four;

[0014] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is less than or equal to 25%, it is determined that the dust shielding level of the photovoltaic assembly is level one;

[0015] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 25% and less than or equal to 50%, it is determined that the dust shielding level of the photovoltaic assembly is level 2;

[0016] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 50% and less than or equal to 75%, it is determined that the dust shielding level of the photovoltaic assembly is level three;

[0017] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic component is greater than seventy-five percent, it is determined that the dust shielding level of the photovoltaic component is level four.

[0018] Furthermore, the cleaning scheme is determined according to the monitoring result of the dust effect on the current and the weather forecast data within the preset time period, including:

[0019] When the dust shielding level of the photovoltaic component is level one or level two, and the weather forecast data within the preset time period shows that there is no precipitation, the photovoltaic component is cleaned, otherwise it is not cleaned.

[0020] The second embodiment of the present application provides a photovoltaic module cleaning solution determination system, including:

[0021] An acquisition module is used to obtain weather forecast data within a preset time period;

[0022] A monitoring module, used to monitor the effect of dust on the photovoltaic module on the current using a dust monitoring device installed on the photovoltaic module;

[0023] A determination module, used to determine a cleaning plan according to the monitoring result of the influence of the dust on the current and the weather forecast data within the preset time period;

[0024] Wherein, the monitoring results include: dust shielding level.

[0025] Preferably, the dust monitoring device comprises: a monitoring probe and a calibration photovoltaic panel;

[0026] The monitoring probe is used to monitor the amount of radiation received by the photovoltaic module;

[0027] The calibration photovoltaic panel is used to monitor the current value of the photovoltaic module;

[0028] The calibration photovoltaic panel is further used to determine the irradiance corresponding to the current value based on the current value, and to determine the dust shielding level of the photovoltaic component based on the irradiance corresponding to the current value and the irradiance received by the photovoltaic component.

[0029] Furthermore, the dust shielding levels include: level one, level two, level three and level four;

[0030] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is less than or equal to 25%, it is determined that the dust shielding level of the photovoltaic assembly is level one;

[0031] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 25% and less than or equal to 50%, it is determined that the dust shielding level of the photovoltaic assembly is level 2;

[0032] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 50% and less than or equal to 75%, it is determined that the dust shielding level of the photovoltaic assembly is level three;

[0033] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic component is greater than seventy-five percent, it is determined that the dust shielding level of the photovoltaic component is level four.

[0034] Furthermore, the determining module is also used for:

[0035] When the dust shielding level of the photovoltaic component is level one or level two, and the weather forecast data within the preset time period shows that there is no precipitation, the photovoltaic component is cleaned, otherwise it is not cleaned.

[0036] The third aspect of the present application provides an electronic device, comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the method described in the first aspect is implemented.

[0037] A fourth aspect of the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the method described in the first aspect of the present application.

[0038] The technical solution provided by the embodiments of the present application brings at least the following beneficial effects:

[0039] The present application proposes a method and system for determining a cleaning plan for photovoltaic modules, the method comprising: obtaining weather forecast data within a preset time period; using a dust monitoring device installed on the photovoltaic module to monitor the monitoring results of the effect of dust on the photovoltaic module on the current; determining a cleaning plan based on the monitoring results of the effect of dust on the current and the weather forecast data within the preset time period; wherein the monitoring results include: dust shielding level. The technical solution proposed in the present application can save the cleaning cost of photovoltaic modules, thereby improving the economic efficiency of photovoltaic power stations.

[0040] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0042] Figure 1 A flowchart of a method for determining a cleaning solution for a photovoltaic module provided according to an embodiment of the present application;

[0043] Figure 2 A structural diagram of a system for determining a cleaning solution for a photovoltaic module provided according to an embodiment of the present application. DETAILED DESCRIPTION

[0044] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0045] The present application proposes a method and system for determining a cleaning scheme for photovoltaic modules, the method comprising: obtaining weather forecast data within a preset time period; using a dust monitoring device installed on the photovoltaic module to monitor the monitoring results of the effect of dust on the photovoltaic module on the current; determining a cleaning scheme based on the monitoring results of the effect of dust on the current and the weather forecast data within the preset time period; wherein the monitoring results include: dust shielding level. The technical scheme proposed in the present application can save the cleaning cost of photovoltaic modules, thereby improving the economic efficiency of photovoltaic power stations.

[0046] A method and system for determining a cleaning solution for a photovoltaic module according to an embodiment of the present application will be described below with reference to the accompanying drawings.

[0047] Embodiment 1

[0048] Figure 1A flowchart of a method for determining a cleaning solution for a photovoltaic module according to an embodiment of the present application is shown in FIG. Figure 1 As shown, the method includes:

[0049] Step 1: Get weather forecast data within a preset time period.

[0050] Step 2: Use a dust monitoring device installed on the photovoltaic module to monitor the monitoring result of the influence of dust on the photovoltaic module on the current; wherein the monitoring result includes: dust shielding level.

[0051] In the disclosed embodiment, the dust monitoring device comprises: a monitoring probe and a calibration photovoltaic panel;

[0052] The monitoring probe is used to monitor the amount of radiation received by the photovoltaic module;

[0053] The calibration photovoltaic panel is used to monitor the current value of the photovoltaic module;

[0054] The calibration photovoltaic panel is further used to determine the irradiance corresponding to the current value based on the current value, and to determine the dust shielding level of the photovoltaic component based on the irradiance corresponding to the current value and the irradiance received by the photovoltaic component.

[0055] It should be noted that the dust shielding levels include: level one, level two, level three and level four;

[0056] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is less than or equal to 25%, it is determined that the dust shielding level of the photovoltaic assembly is level one;

[0057] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 25% and less than or equal to 50%, it is determined that the dust shielding level of the photovoltaic assembly is level 2;

[0058] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 50% and less than or equal to 75%, it is determined that the dust shielding level of the photovoltaic assembly is level three;

[0059] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic component is greater than seventy-five percent, it is determined that the dust shielding level of the photovoltaic component is level four.

[0060] Step 3: Determine a cleaning plan based on the monitoring results of the dust's impact on current and the weather forecast data within the preset time period.

[0061] In the embodiment of the present disclosure, step 3 specifically includes:

[0062] When the dust shielding level of the photovoltaic component is level one or level two, and the weather forecast data within the preset time period shows that there is no precipitation, the photovoltaic component is cleaned, otherwise it is not cleaned.

[0063] It should be noted that when the income from photovoltaic power generation is less than or equal to the cleaning cost, no cleaning will be performed.

[0064] In summary, the method for determining a cleaning scheme for a photovoltaic module proposed in this embodiment can save the cleaning cost of the photovoltaic module, thereby improving the economic efficiency of the photovoltaic power station.

[0065] Embodiment 2

[0066] Figure 2 A structural diagram of a photovoltaic module cleaning solution determination system provided according to an embodiment of the present application, such as Figure 2 As shown, the system comprises:

[0067] An acquisition module 100 is used to acquire weather forecast data within a preset time period;

[0068] Monitoring module 200, used to monitor the effect of dust on the photovoltaic module on the current using a dust monitoring device installed on the photovoltaic module;

[0069] A determination module 300, configured to determine a cleaning solution according to the monitoring result of the effect of dust on current and the weather forecast data within the preset time period;

[0070] The monitoring results include dust shielding levels, and the dust shielding levels include level one, level two, level three and level four.

[0071] It should be noted that the dust monitoring device includes: a monitoring probe and a calibration photovoltaic panel;

[0072] The monitoring probe is used to monitor the amount of radiation received by the photovoltaic module;

[0073] The calibration photovoltaic panel is used to monitor the current value of the photovoltaic module;

[0074] The calibration photovoltaic panel is further used to determine the irradiance corresponding to the current value based on the current value, and to determine the dust shielding level of the photovoltaic component based on the irradiance corresponding to the current value and the irradiance received by the photovoltaic component.

[0075] Furthermore, the monitoring module 200 is also used for:

[0076] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is less than or equal to 25%, it is determined that the dust shielding level of the photovoltaic assembly is level one;

[0077] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 25% and less than or equal to 50%, it is determined that the dust shielding level of the photovoltaic assembly is level 2;

[0078] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 50% and less than or equal to 75%, it is determined that the dust shielding level of the photovoltaic assembly is level three;

[0079] When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic component is greater than seventy-five percent, it is determined that the dust shielding level of the photovoltaic component is level four.

[0080] In the embodiment of the present disclosure, the determination module 300 is further used to:

[0081] When the dust shielding level of the photovoltaic component is level one or level two, and the weather forecast data within the preset time period shows that there is no precipitation, the photovoltaic component is cleaned, otherwise it is not cleaned.

[0082] In summary, the photovoltaic module cleaning solution determination system proposed in this embodiment can save the cleaning cost of the photovoltaic modules, thereby improving the economic efficiency of the photovoltaic power station.

[0083] Embodiment 3

[0084] In order to implement the above embodiments, the present disclosure further proposes an electronic device, including: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the method described in Embodiment 1 is implemented.

[0085] Embodiment 4

[0086] In order to implement the above embodiments, the present disclosure further proposes a computer-readable storage medium on which a computer program is stored. When the program is executed by a processor, the method described in the first embodiment is implemented.

[0087] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0088] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, fragment or portion of code comprising one or more executable instructions for implementing the steps of a custom logical function or process, and the scope of the preferred embodiments of the present application includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of the present application belong.

[0089] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A method for determining a cleaning scheme for a photovoltaic module, characterized in that: The method comprises: Get weather forecast data within a preset time period; The monitoring result of the influence of dust on the photovoltaic module on the current is monitored by using a dust monitoring device installed on the photovoltaic module; Determining a cleaning plan according to the monitoring result of the effect of the dust on the current and the weather forecast data within the preset time period; Wherein, the monitoring results include: dust shielding level.

2. The method according to claim 1, characterized in that The dust monitoring device comprises: a monitoring probe and a calibration photovoltaic panel; The monitoring probe is used to monitor the amount of radiation received by the photovoltaic module; The calibration photovoltaic panel is used to monitor the current value of the photovoltaic module; The calibration photovoltaic panel is further used to determine the irradiance corresponding to the current value based on the current value, and to determine the dust shielding level of the photovoltaic component based on the irradiance corresponding to the current value and the irradiance received by the photovoltaic component.

3. The method according to claim 2, characterized in that The dust shielding levels include: level one, level two, level three and level four; When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is less than or equal to 25%, it is determined that the dust shielding level of the photovoltaic assembly is level one; When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 25% and less than or equal to 50%, it is determined that the dust shielding level of the photovoltaic assembly is level 2; When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 50% and less than or equal to 75%, it is determined that the dust shielding level of the photovoltaic assembly is level three; When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic component is greater than seventy-five percent, it is determined that the dust shielding level of the photovoltaic component is level four.

4. The method according to claim 3, characterized in that The step of determining a cleaning plan based on the monitoring result of the dust's influence on the current and the weather forecast data within the preset time period includes: When the dust shielding level of the photovoltaic component is level one or level two, and the weather forecast data within the preset time period shows that there is no precipitation, the photovoltaic component is cleaned, otherwise it is not cleaned.

5. A system for determining a cleaning plan for a photovoltaic module, characterized in that: The system comprises: An acquisition module is used to obtain weather forecast data within a preset time period; A monitoring module, used to monitor the effect of dust on the photovoltaic module on the current using a dust monitoring device installed on the photovoltaic module; A determination module, used to determine a cleaning plan according to the monitoring result of the influence of the dust on the current and the weather forecast data within the preset time period; Wherein, the monitoring results include: dust shielding level.

6. The system according to claim 5, characterized in that The dust monitoring device comprises: a monitoring probe and a calibration photovoltaic panel; The monitoring probe is used to monitor the amount of radiation received by the photovoltaic module; The calibration photovoltaic panel is used to monitor the current value of the photovoltaic module; The calibration photovoltaic panel is further used to determine the irradiance corresponding to the current value based on the current value, and to determine the dust shielding level of the photovoltaic component based on the irradiance corresponding to the current value and the irradiance received by the photovoltaic component.

7. The system according to claim 6, characterized in that The dust shielding levels include: level one, level two, level three and level four; When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is less than or equal to 25%, it is determined that the dust shielding level of the photovoltaic assembly is level one; When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 25% and less than or equal to 50%, it is determined that the dust shielding level of the photovoltaic assembly is level 2; When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic assembly is greater than 50% and less than or equal to 75%, it is determined that the dust shielding level of the photovoltaic assembly is level three; When the percentage of the radiation amount corresponding to the current value to the radiation amount received by the photovoltaic component is greater than seventy-five percent, it is determined that the dust shielding level of the photovoltaic component is level four.

8. The system according to claim 7, characterized in that The determining module is also used for: When the dust shielding level of the photovoltaic component is level one or level two, and the weather forecast data within the preset time period shows that there is no precipitation, the photovoltaic component is cleaned, otherwise it is not cleaned.

9. An electronic device, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the method according to any one of claims 1 to 4 is implemented.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the method according to any one of claims 1 to 4 is implemented.

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