CN117856416A - Method, system, electronic device and storage medium for controlling charging of solar panel - Google Patents
Method, system, electronic device and storage medium for controlling charging of solar panel Download PDFInfo
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Abstract
The application relates to a method, a system, an electronic device and a storage medium for controlling charging of a solar panel. The method for controlling the charging of the solar panel comprises the following steps: collecting electrical data of a photovoltaic cell of a solar panel at the current moment, calculating the electrical data, and outputting real-time power data; collecting power data of a solar panel photovoltaic cell at a moment before the current moment, and outputting power data to be processed; and analyzing and processing the power data to be processed and the real-time power data, and outputting the power maximum value. According to the scheme, the charging controller in the solar panel can be guaranteed to be the maximum power of output, so that the efficiency of converting light energy into electric energy is improved.
Description
Technical Field
The present invention relates to the field of solar charging technologies, and in particular, to a method, a system, an electronic device, and a storage medium for controlling charging of a solar panel.
Background
A solar panel is a device that converts light energy into electric energy through a photoelectric effect or a photochemical effect by absorbing sunlight. With the development of intelligence, more and more household appliances move to solar energy for power supply.
However, in the related art, since the output power of the battery in the solar panel is changed due to the influence of external factors such as illumination intensity and environment, the charging controller in the solar panel in the present stage cannot output the maximum power in real time, so that the photovoltaic cell in the solar panel cannot be charged with the maximum power, and the efficiency of converting light energy into electric energy is low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a method, a system, electronic equipment and a storage medium for controlling the charging of a solar panel, which can ensure that a charging controller in the solar panel is the maximum power output, thereby improving the efficiency of converting light energy into electric energy.
The aim of the invention is realized by the following technical scheme:
a first aspect of the present application provides a method of controlling charging of a solar panel, comprising: collecting electrical data of a solar panel photovoltaic cell at the current moment, calculating the electrical data, and outputting real-time power data; collecting power data of the solar panel photovoltaic cell at the moment before the current moment, and outputting power data to be processed; and analyzing and processing the power data to be processed and the real-time power data, and outputting the power maximum value.
The collecting the electrical data of the solar panel photovoltaic cell at the current moment, performing calculation processing on the electrical data, and outputting real-time power data, wherein the collecting comprises the following steps: and collecting output voltage data and output current data of the solar panel photovoltaic cell at the current moment, calculating the output voltage data and the output current data through a first algorithm, and outputting the real-time power data.
The step of analyzing and processing the power data to be processed and the real-time power data, and outputting the power maximum value comprises the following steps: judging whether the power data to be processed is larger than the real-time power data, if so, outputting a first PWM adjustment instruction, executing the first PWM adjustment instruction, and outputting the power maximum value; if not, outputting a second PWM adjustment instruction, executing the second PWM adjustment instruction, and outputting the power maximum value.
The collecting the power data of the solar panel photovoltaic cell at the moment before the current moment comprises the following steps: and acquiring voltage output data and current output data of the solar panel photovoltaic cell at the moment before the current moment, adopting the first algorithm to calculate the voltage output data and the current output data of the solar panel photovoltaic cell at the moment before the current moment, and outputting the power data of the solar panel photovoltaic cell at the moment before the current moment.
A second aspect of the present application provides a system for controlling charging of a solar panel, comprising: the first acquisition module is used for acquiring electrical data of the photovoltaic cell of the solar panel at the current moment, calculating the electrical data and outputting real-time power data; the second acquisition module is used for acquiring power data of the solar panel photovoltaic cell at the moment before the current moment and outputting power data to be processed; and the analysis module is used for analyzing and processing the power data to be processed and the real-time power data and outputting the power maximum value.
The first acquisition module is used for acquiring output voltage data and output current data of the solar panel photovoltaic cell at the current moment, calculating the output voltage data and the output current data through a first algorithm, and outputting the real-time power data.
The analysis module is used for judging whether the power data to be processed is larger than the real-time power data, if so, outputting a first PWM adjustment instruction, executing the first PWM adjustment instruction and outputting the power maximum value; if not, outputting a second PWM adjustment instruction, executing the second PWM adjustment instruction, and outputting the power maximum value.
The second acquisition module is used for acquiring voltage output data and current output data of the solar panel photovoltaic cell at a moment before the current moment, calculating the voltage output data and the current output data of the solar panel photovoltaic cell at the moment before the current moment by adopting the first algorithm, and outputting power data of the solar panel photovoltaic cell at the moment before the current moment.
A third aspect of the present application provides an electronic device, comprising:
a processor; and
a memory having executable code stored thereon which, when executed by the processor, causes the processor to perform the method as described above.
A fourth aspect of the present application provides a computer readable storage medium having stored thereon executable code which, when executed by a processor of an electronic device, causes the processor to perform a method as described above.
Compared with the prior art, the invention has at least the following advantages:
the real-time power data is obtained by collecting the electrical data of the photovoltaic cell of the solar panel at the current moment, then the real-time power data is compared with the collected power data to be processed, and the maximum power value is obtained, so that the maximum efficacy of the solar panel is exerted, the photovoltaic cell in the solar panel is charged with the maximum power output, and the efficiency of converting light energy into electric energy is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described.
FIG. 1 is a flow chart of a method for controlling charging of a solar panel according to an embodiment of the invention;
FIG. 2 is a circuit diagram of a method of controlling charging of a solar panel according to an embodiment of the invention;
FIG. 3 is a method flow chart of another implementation of a method of controlling charging of a solar panel according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a system for controlling charging of a solar panel according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device for controlling charging of a solar panel according to an embodiment of the invention.
Detailed Description
Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, a first message may also be referred to as a second message, and similarly, a second message may also be referred to as a first message, without departing from the scope of the present application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In the present stage, the battery in the solar panel is influenced by external factors such as illumination intensity and environment, the output power of the battery is changed, and the charging controller in the solar panel in the present stage cannot output the maximum power in real time, so that the photovoltaic cell in the solar panel cannot use the maximum power to charge, and the efficiency of converting light energy into electric energy is low.
In view of the above problems, embodiments of the present application provide a method, a system, an electronic device, and a storage medium for controlling charging of a solar panel, which can ensure that a charging controller in the solar panel is the maximum power output, thereby improving the efficiency of converting light energy into electric energy.
The following describes the technical scheme of the embodiments of the present application in detail with reference to the accompanying drawings.
Fig. 1 is a schematic flow chart of a method for controlling charging of a solar panel according to an embodiment of the present application.
Referring to fig. 1, a method of controlling charging of a solar panel includes:
and step S101, collecting electrical data of the photovoltaic cell of the solar panel at the current moment, calculating the electrical data, and outputting real-time power data.
It should be noted that, the application adopts the MPPT controller to detect the maximum power point of the solar panel in real time, firstly, the MPPT controller will collect the electrical data of the photovoltaic cell of the solar panel at the current moment, and then calculate the power at the current moment, namely the real-time power data, so as to take the MPPT disturbance observation method as the basis of the data.
And S102, collecting power data of the solar panel photovoltaic cell at the moment before the current moment, and outputting the power data to be processed.
It should be noted that, the power data to be processed is obtained by collecting the power data of the solar panel photovoltaic cell at the previous moment. The purpose of this step is to facilitate a comparison of the power levels at the previous and current moments to determine the direction of adjustment.
And step S103, analyzing and processing the power data to be processed and the real-time power data, and outputting the power maximum value.
It should be noted that, comparing and analyzing the power data to be processed and the real-time power data, judging the larger data between the two, and then adjusting the output direction of the PWM controller according to the judging result until the power output by the photovoltaic cell becomes the maximum, i.e. the power maximum.
Referring to fig. 2, fig. 2 is a schematic diagram of a method for controlling charging of a solar panel according to the embodiment of fig. 1, including:
and S201, collecting output voltage data and output current data of the solar panel photovoltaic cell at the current moment, calculating the output voltage data and the output current data through a first algorithm, and outputting real-time power data.
The first algorithm is to multiply the output voltage data and the output current data to obtain real-time power data, and the MPPT controller obtains the real-time power data by collecting the output voltage data and the output current data of the photovoltaic cell at the current time and calculating the real-time power data by using the first algorithm.
Step S202, voltage output data and current output data of a solar panel photovoltaic cell at a moment before the current moment are obtained, the voltage output data and the current output data of the solar panel photovoltaic cell at the moment before the current moment are calculated by adopting a first algorithm, and power data of the solar panel photovoltaic cell at the moment before the current moment are output.
The MPPT controller performs calculation processing on the voltage output data and the current output data at the time before the current time of the solar panel photovoltaic cell by using a first algorithm by collecting the voltage output data and the current output data at the time before the current time, and outputs the power data at the time before the current time of the solar panel photovoltaic cell.
Step S203, judging whether the power data to be processed is larger than the real-time power data, if so, outputting a first PWM adjustment instruction, executing the first PWM adjustment instruction, and outputting the power maximum value; if not, outputting a second PWM adjustment instruction, executing the second PWM adjustment instruction, and outputting the power maximum value.
It should be noted that, when the power data to be processed is greater than the real-time power data, the first PWM adjustment instruction indicates that the current PWM controller output mode is inverse, and inverse adjustment is required; when the power data to be processed is smaller than the real-time power data, the current output mode of the PWM controller is correct, and the output needs to be kept until the maximum power is reached.
For a better explanation of the above embodiment, please refer to fig. 3, fig. 3 is a circuit diagram of a method for controlling charging of a solar panel.
Referring to fig. 3, v+ is a solar panel anode, V-is a solar panel cathode, NET-8 and NET-9 are ADC sampling ports of the MCU, and NET-55 is a PWM control port of the DC-DC converter. The MCU in MPPT controller calculates the power Pn-1 at the moment by detecting the voltage and current values of V+ and V-, then adjusts the pulse width of PWM through DeltaT (T2-T1), calculates the power Pn at the moment at the time point of T2, compares the power Pn at the moment of T2 with the power Pn-1 at the moment of T1, if the positive value indicates that the PWM pulse width adjustment direction is correct, continues to adjust towards the direction until the power of Pn and Pn-1 is consistent, and indicates that the highest power point of the solar panel is reached at the moment; if the power comparison of Pn and Pn-1 is negative, it is indicated that the PWM pulse width modulation direction should be reversed until Pn coincides with Pn-1.
Further, in another embodiment, a method of controlling charging of a solar panel includes:
s203a, outputting a power monitoring request according to the first PWM adjustment instruction or the second PWM adjustment instruction;
s203b, responding to the power monitoring request and outputting a power chart.
It should be noted that, in the process of executing the first PWM adjustment instruction or the second PWM adjustment instruction, the MPPT controller monitors the power adjustment of the PWM controller to form a power chart, where the power chart records the power change process, so that it is convenient for a worker to monitor whether the PWM controller has an output failure, and to observe the maximum power point by the worker.
Further, in another embodiment, a method of controlling charging of a solar panel includes:
s201a, calculating the output voltage data and the output current data through a second algorithm; outputting the standby data and storing the standby data.
It should be noted that, when the solar panel may have a data loss due to lightning strike or due to a component fault in extreme thunderstorm weather, in order to ensure that the solar panel can continue to adjust to the maximum power, the output voltage data and the output current data are calculated and processed through the second algorithm, the generated standby data are additionally stored in a chip, and the chip can also be connected and communicated with the PWM controller and the DC-DC converter, and meanwhile, the chip can also adopt the output voltage data and the output current data to the previous moment, so that the solar panel can have a standby effect when the MPPT controller fails or fails in extreme weather, so as to ensure that the photovoltaic cells of the solar panel supply power normally.
Corresponding to the embodiment of the application function implementation method, the application further provides a system for controlling the charging of the solar panel, electronic equipment and corresponding embodiments.
Fig. 4 is a schematic structural diagram of a system for controlling charging of a solar panel according to an embodiment of the present application.
Referring to fig. 4, a system for controlling charging of a solar panel, comprising: the first collection module 100 is configured to collect electrical data of the photovoltaic cell of the solar panel at the current moment, perform calculation processing on the electrical data, and output real-time power data; the second collection module 200 is configured to collect power data of a solar panel photovoltaic cell at a time before a current time, and output power data to be processed; the analysis module 300 is configured to analyze the power data to be processed and the real-time power data, and output the power maximum value.
Specifically, the first collection module 100 is configured to collect output voltage data and output current data of the photovoltaic cell of the solar panel at the current moment, perform calculation processing on the output voltage data and the output current data through a first algorithm, and output real-time power data.
Specifically, the analysis module 300 is configured to determine whether the power data to be processed is greater than the real-time power data, if yes, output a first PWM adjustment instruction, execute the first PWM adjustment instruction, and output a power maximum value; if not, outputting a second PWM adjustment instruction, executing the second PWM adjustment instruction, and outputting the power maximum value.
Specifically, the second collection module 200 is configured to obtain voltage output data and current output data at a time previous to the current time of the solar panel photovoltaic cell, calculate the voltage output data and the current output data at the time previous to the current time of the solar panel photovoltaic cell by using a first algorithm, and output power data at the time previous to the current time of the solar panel photovoltaic cell.
The specific manner in which the various modules perform the operations in relation to the systems of the above embodiments have been described in detail in relation to the embodiments of the method and will not be described in detail herein.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Referring to fig. 5, the electronic device 1000 includes a memory 1010 and a processor 1020.
The processor 1020 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Memory 1010 may include various types of storage units, such as system memory, read Only Memory (ROM), and persistent storage. Where the ROM may store static data or instructions that are required by the processor 1020 or other modules of the computer. The persistent storage may be a readable and writable storage. The persistent storage may be a non-volatile memory device that does not lose stored instructions and data even after the computer is powered down. In some embodiments, the persistent storage device employs a mass storage device (e.g., magnetic or optical disk, flash memory) as the persistent storage device. In other embodiments, the persistent storage may be a removable storage device (e.g., diskette, optical drive). The system memory may be a read-write memory device or a volatile read-write memory device, such as dynamic random access memory. The system memory may store instructions and data that are required by some or all of the processors at runtime. Furthermore, memory 1010 may comprise any combination of computer-readable storage media including various types of semiconductor memory chips (e.g., DRAM, SRAM, SDRAM, flash memory, programmable read-only memory), magnetic disks, and/or optical disks may also be employed. In some implementations, memory 1010 may include readable and/or writable removable storage devices such as Compact Discs (CDs), digital versatile discs (e.g., DVD-ROMs, dual-layer DVD-ROMs), blu-ray discs read only, super-density discs, flash memory cards (e.g., SD cards, min SD cards, micro-SD cards, etc.), magnetic floppy disks, and the like. The computer readable storage medium does not contain a carrier wave or an instantaneous electronic signal transmitted by wireless or wired transmission.
The memory 1010 has stored thereon executable code that, when processed by the processor 1020, can cause the processor 1020 to perform some or all of the methods described above.
Furthermore, the method according to the present application may also be implemented as a computer program or computer program product comprising computer program code instructions for performing part or all of the steps of the above-described method of the present application.
Alternatively, the present application may also be embodied as a computer-readable storage medium (or non-transitory machine-readable storage medium or machine-readable storage medium) having stored thereon executable code (or a computer program or computer instruction code) which, when executed by a processor of an electronic device (or a server, etc.), causes the processor to perform part or all of the steps of the above-described methods according to the present application.
The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments. Those skilled in the art will also appreciate that the acts and modules referred to in the specification are not necessarily required in the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined and pruned according to actual needs, and the modules in the apparatus of the embodiment of the present application may be combined, divided and pruned according to actual needs.
The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A method of controlling charging of a solar panel, comprising:
collecting electrical data of a solar panel photovoltaic cell at the current moment, calculating the electrical data, and outputting real-time power data;
collecting power data of the solar panel photovoltaic cell at the moment before the current moment, and outputting power data to be processed;
and analyzing and processing the power data to be processed and the real-time power data, and outputting the power maximum value.
2. The method for controlling charging of a solar panel according to claim 1, wherein the collecting electrical data of the current time of the solar panel photovoltaic cell, performing calculation processing on the electrical data, and outputting real-time power data includes:
and collecting output voltage data and output current data of the solar panel photovoltaic cell at the current moment, calculating the output voltage data and the output current data through a first algorithm, and outputting the real-time power data.
3. The method for controlling charging of a solar panel according to claim 1, wherein the analyzing the power data to be processed and the real-time power data, outputting a power maximum value, includes:
judging whether the power data to be processed is larger than the real-time power data, if so, outputting a first PWM adjustment instruction, executing the first PWM adjustment instruction, and outputting the power maximum value;
if not, outputting a second PWM adjustment instruction, executing the second PWM adjustment instruction, and outputting the power maximum value.
4. The method of controlling solar panel charging according to claim 2, wherein the collecting power data at a time prior to a current time of the solar panel photovoltaic cell comprises:
and acquiring voltage output data and current output data of the solar panel photovoltaic cell at the moment before the current moment, adopting the first algorithm to calculate the voltage output data and the current output data of the solar panel photovoltaic cell at the moment before the current moment, and outputting the power data of the solar panel photovoltaic cell at the moment before the current moment.
5. A system for controlling charging of a solar panel, comprising:
the first acquisition module is used for acquiring electrical data of the photovoltaic cell of the solar panel at the current moment, calculating the electrical data and outputting real-time power data;
the second acquisition module is used for acquiring power data of the solar panel photovoltaic cell at the moment before the current moment and outputting power data to be processed;
and the analysis module is used for analyzing and processing the power data to be processed and the real-time power data and outputting the power maximum value.
6. The system for controlling solar panel charging according to claim 5, wherein the first collecting module is configured to collect output voltage data and output current data of the solar panel photovoltaic cell at a current moment, perform calculation processing on the output voltage data and the output current data through a first algorithm, and output the real-time power data.
7. The system for controlling solar panel charging according to claim 5, wherein the analysis module is configured to determine whether the power data to be processed is greater than the real-time power data, and if so, output a first PWM adjustment command, execute the first PWM adjustment command, and output the power maximum value;
if not, outputting a second PWM adjustment instruction, executing the second PWM adjustment instruction, and outputting the power maximum value.
8. The system for controlling charging of a solar panel according to claim 7, wherein the second collecting module is configured to obtain voltage output data and current output data at a time before a current time of the solar panel photovoltaic cell, perform calculation processing on the voltage output data and the current output data at the time before the current time of the solar panel photovoltaic cell by using the first algorithm, and output power data at the time before the current time of the solar panel photovoltaic cell.
9. An electronic device, comprising:
a processor; and
a memory having executable code stored thereon, which when executed by the processor, causes the processor to perform the method of any of claims 1-4.
10. A computer readable storage medium having stored thereon executable code which when executed by a processor of an electronic device causes the processor to perform the method of any of claims 1-4.
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| CN202311559384.6A CN117856416A (en) | 2023-11-21 | 2023-11-21 | Method, system, electronic device and storage medium for controlling charging of solar panel |
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