CN111337806B - Photovoltaic module cleaning judgment method, device, equipment and medium - Google Patents
Photovoltaic module cleaning judgment method, device, equipment and medium Download PDFInfo
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- CN111337806B CN111337806B CN202010152761.4A CN202010152761A CN111337806B CN 111337806 B CN111337806 B CN 111337806B CN 202010152761 A CN202010152761 A CN 202010152761A CN 111337806 B CN111337806 B CN 111337806B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004590 computer program Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 abstract description 20
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000010248 power generation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2607—Circuits therefor
- G01R31/2632—Circuits therefor for testing diodes
- G01R31/2635—Testing light-emitting diodes, laser diodes or photodiodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
- G01R19/16523—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using diodes, e.g. Zener diodes
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Abstract
The application discloses a photovoltaic module cleaning judgment method, a photovoltaic module cleaning judgment device, equipment and a computer readable storage medium, wherein the method comprises the following steps: collecting operating parameters of the photovoltaic module; judging whether the operation parameters are in a preset parameter range or not; the preset parameter range is a parameter set according to operation data of the photovoltaic module in a clean state; and if not, determining that the photovoltaic assembly needs to be cleaned and sending a cleaning prompt. According to the technical scheme, the operation parameters of the photovoltaic module are collected, the operation parameters and the preset parameter range are compared to determine whether the photovoltaic module needs to be cleaned or not, and the photovoltaic module needs to be cleaned, so that the operation and maintenance personnel can clean the photovoltaic module timely, and the influence of dust on the power generation performance of the photovoltaic module is reduced.
Description
Technical Field
The present application relates to the field of photovoltaic module technologies, and more particularly, to a method, an apparatus, a device, and a computer-readable storage medium for determining cleaning of a photovoltaic module.
Background
Because the photovoltaic module is generally installed outdoors, dust is accumulated on the surface of the photovoltaic module due to the influence of environmental factors, and the dust affects the illumination intensity received by the photovoltaic module, even the battery piece at the corresponding position cannot generate electricity and becomes a load due to being shielded by the dust, and the electric energy generated by other battery pieces is consumed, so that a hot spot effect is locally formed, and the hot spot effect has fatal damage to the photovoltaic module. In order to minimize the effect of dust on the photovoltaic module, the photovoltaic module needs to be cleaned.
At present, the photovoltaic module is generally cleaned at a fixed frequency in seasons, usually four times a year, or an operation and maintenance worker in a photovoltaic power station determines whether to clean the photovoltaic module according to experience, but the cleaning cannot be timely performed when dust appears on the surface of the photovoltaic module in the mode, so that the power generation performance of the photovoltaic module is influenced.
In summary, how to timely determine whether the photovoltaic module needs to be cleaned so as to clean the photovoltaic module in time, thereby reducing the influence of dust on the power generation performance of the photovoltaic module, is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, an object of the present application is to provide a method, an apparatus, a device and a computer-readable storage medium for determining whether a photovoltaic module needs to be cleaned in time, so as to clean the photovoltaic module in time, thereby reducing the influence of dust on the power generation performance of the photovoltaic module.
In order to achieve the above object, the present application provides the following technical solutions:
a photovoltaic module cleaning judgment method comprises the following steps:
collecting operating parameters of the photovoltaic module;
judging whether the operation parameters are in a preset parameter range or not; the preset parameter range is a parameter set according to the operation data of the photovoltaic module in a clean state;
and if not, determining that the photovoltaic module needs to be cleaned and sending a cleaning prompt.
Preferably, collecting the operating parameters of the photovoltaic module comprises:
collecting voltages at two ends of an anti-reverse-charging diode which is arranged in the photovoltaic module and positioned between the photovoltaic strings;
correspondingly, judging whether the operation parameters are in a preset parameter range or not comprises the following steps:
and judging whether the voltage at the two ends of the anti-reverse charging diode is smaller than a preset end voltage, if so, determining that the photovoltaic assembly needs to be cleaned.
Preferably, collecting the operating parameters of the photovoltaic module comprises:
and collecting the operation parameters of the cell at the bottom of the photovoltaic module.
Preferably, collecting the operating parameters of the cell sheet positioned at the bottom of the photovoltaic module comprises:
collecting an irradiation value and a temperature value of a battery plate at the bottom of the photovoltaic module, and collecting voltage values at two ends of an anti-reverse-charging diode at the bottom of the photovoltaic module;
correspondingly, judging whether the operation parameters are in a preset parameter range or not comprises the following steps:
judging whether the irradiation value is lower than a preset irradiation value or not, judging whether the temperature value is greater than a preset temperature value or not, and judging whether the voltage values at two ends of an anti-reverse-charging diode at the bottom of the photovoltaic are smaller than a preset end voltage or not;
and if the irradiation value is lower than the preset irradiation value, the temperature value is greater than the preset temperature value, and the voltage values at two ends of the anti-reverse-charging diode at the bottom of the photovoltaic are smaller than a preset end voltage, determining that the photovoltaic module needs to be cleaned.
Preferably, the collecting the irradiation value and the temperature value of the cell sheet positioned at the bottom of the photovoltaic module comprises:
and acquiring an irradiation value of the back of the cell by using an irradiation sensor which is preset on the back of the bottom of the photovoltaic module, and acquiring a temperature value of the back of the cell by using a temperature sensor which is preset on the back of the bottom of the photovoltaic module.
Preferably, collecting the operating parameters of the photovoltaic module comprises:
and collecting the operating parameters of the photovoltaic module in real time.
Preferably, the issuing of the cleaning prompt includes:
and sending out a voice cleaning prompt needing cleaning.
A photovoltaic module cleaning determination device includes:
the acquisition module is used for acquiring the operating parameters of the photovoltaic module;
the judging module is used for judging whether the operation parameters are in a preset parameter range; the preset parameter range is a parameter set according to the operation data of the photovoltaic module in a clean state;
and the prompting module is used for determining that the photovoltaic module needs to be cleaned and sending a cleaning prompt when the operation parameter is determined not to be within the preset parameter range.
A photovoltaic module cleaning determination device comprising:
a memory for storing a computer program;
a processor for implementing the steps of the method for determining photovoltaic module cleaning according to any one of the above mentioned items when executing the computer program.
A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of determining a cleaning of a photovoltaic module according to any of the preceding claims.
The application provides a photovoltaic module cleaning judgment method, a photovoltaic module cleaning judgment device, equipment and a computer readable storage medium, wherein the method comprises the following steps: collecting operating parameters of the photovoltaic module; judging whether the operation parameters are in a preset parameter range or not; the preset parameter range is a parameter set according to the operation data of the photovoltaic module in a clean state; and if not, determining that the photovoltaic assembly needs to be cleaned and sending a cleaning prompt.
The above technical scheme disclosed in this application, through gathering photovoltaic module's operating parameter, and compare operating parameter and default parameter scope and confirm whether photovoltaic module needs to wash, and send the suggestion when needs wash photovoltaic module, wash or operation and maintenance personnel decide whether to wash photovoltaic module according to the experience in the current fixed frequency in quarters, this application can come whether need wash photovoltaic module through operating parameter's judgement and carry out timely judgement, and can send the suggestion when needs wash, so that operation and maintenance personnel can in time wash photovoltaic module, thereby reduce the influence that dust can photovoltaic module electricity generation performance.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a method for determining cleaning of a photovoltaic module according to an embodiment of the present disclosure;
fig. 2 is an electrical schematic diagram of a cell in a photovoltaic module according to an embodiment of the present disclosure;
fig. 3 is a front view of a photovoltaic module provided by an embodiment of the present application;
fig. 4 is a schematic structural diagram of a photovoltaic module cleaning determination apparatus according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a photovoltaic module cleaning determination device provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
Referring to fig. 1, which shows a flowchart of a method for determining cleaning of a photovoltaic module according to an embodiment of the present application, a method for determining cleaning of a photovoltaic module according to an embodiment of the present application may include:
s11: and collecting the operating parameters of the photovoltaic module.
And when the photovoltaic module operates, acquiring the operating parameters of the photovoltaic module.
The photovoltaic module can be specifically a photovoltaic module arranged on a roof of a building, and can be a photovoltaic module arranged on the ground, and the application does not limit the position where the photovoltaic module is installed.
S12: and judging whether the operation parameters are in a preset parameter range, if so, returning to the step S11, and if not, executing the step S13.
The preset parameter range is a parameter set according to operation data of the photovoltaic module in a clean state.
The method comprises the steps of collecting operation data of the photovoltaic module in a clean state in advance, and setting a preset parameter range according to the collected operation data in advance.
After the operation parameters of the photovoltaic module in the operation process are collected, the operation parameters are compared with a preset parameter range, whether the operation parameters are in the preset parameter range or not is judged, if yes, the photovoltaic module is in a clean state, at the moment, the step S11 can be returned, if not, the photovoltaic module is not in the clean state, and at the moment, the step S13 can be executed.
S13: and determining that the photovoltaic module needs to be cleaned and sending a cleaning prompt.
If the collected operation parameters are not within the preset parameter range, the photovoltaic module is determined to be required to be cleaned, and at the moment, a cleaning prompt can be sent, so that operation and maintenance personnel can clean the photovoltaic module timely according to the prompt, the influence of dust accumulated on the surface of the photovoltaic module on the generating capacity of the photovoltaic module is avoided as much as possible, and the generating capacity of the photovoltaic module is improved.
Compared with the current mode of cleaning according to the quarterly fixed frequency or whether operation and maintenance personnel determine to clean the photovoltaic module according to experience, the method collects the operation parameters of the photovoltaic module and judges whether to clean the photovoltaic module according to the operation parameters, therefore, the method can judge whether to clean the photovoltaic module in time, and can avoid the situation that the surface does not need to be cleaned but the dust actually influences the generated energy of the photovoltaic module, namely, the method can improve the accuracy of judging whether to clean the photovoltaic module, and can send out prompts when determining to clean the photovoltaic module, therefore, the operation and maintenance personnel can clean the photovoltaic module in time according to the prompts, thereby reducing the influence of the dust accumulated on the surface of the photovoltaic module on the photovoltaic module. In addition, whether abluent automatic judgement need be carried out to photovoltaic module owing to this application can be realized, consequently, can improve photovoltaic power plant operation and maintenance's efficiency, improve photovoltaic power plant operation and maintenance's intellectuality.
The above-mentioned technical scheme that this application discloses, through gathering photovoltaic module's operating parameter, and compare operating parameter and default parameter scope and confirm whether photovoltaic module needs to wash, and send the suggestion when needs wash photovoltaic module, wash or operation and maintenance personnel decide whether to wash photovoltaic module according to the experience in the current fixed frequency in quarters, this application can come whether need wash photovoltaic module through operating parameter's judgement and carry out timely judgement, and can send the suggestion when needs wash, so that can in time wash photovoltaic module, thereby reduce the influence that dust can photovoltaic module electricity generation performance.
The photovoltaic module cleaning and judging method provided by the embodiment of the application collects the operating parameters of the photovoltaic module and can comprise the following steps:
collecting voltages at two ends of an anti-reverse-charging diode which is arranged in the photovoltaic module and positioned between the photovoltaic strings;
accordingly, determining whether the operating parameter is within the preset parameter range may include:
and judging whether the voltage at the two ends of the anti-reverse-charging diode is smaller than a preset end voltage, and if so, determining that the photovoltaic assembly needs to be cleaned.
Considering that dust on the surface of the photovoltaic module can shield the photovoltaic module to cause a change of a power generation state of a photovoltaic string at a position corresponding to the dust in the photovoltaic module (specifically, a battery piece at the position corresponding to the dust cannot normally output current due to the existence of the dust), so that a change of a conduction state of an anti-reverse charging diode arranged between the photovoltaic strings is caused, therefore, whether an operation loop of the photovoltaic string corresponding to the anti-reverse charging diode is short-circuited or not can be judged through the characteristic that a voltage drop value of the anti-reverse charging diode is different between forward conduction and reverse bias, specifically, the voltage at two ends of the anti-reverse charging diode arranged in the photovoltaic module and positioned between the photovoltaic strings can be collected, whether the photovoltaic module needs to be cleaned or not can be determined by judging whether the voltage at two ends of the anti-reverse charging diode is smaller than a preset end voltage, wherein the preset end voltage is the end voltage of the anti-reverse charging diode in a normal working state, and when the voltage is not smaller than the preset end voltage at two ends of the anti-reverse charging diode in a normal working state, the anti-reverse charging diode indicates that the anti-reverse charging diode is in a normal conduction state, and at this time, the photovoltaic module does not need to be cleaned, and if the voltage at two ends of the anti-reverse charging diode needs to be lower than the preset end voltage of the preset end voltage, the anti-reverse charging diode, the anti-charging diode needs to be determined, the preset end voltage of the anti-reverse charging diode.
The method for judging whether the photovoltaic module needs to be cleaned or not by utilizing the voltage condition at two ends of the anti-reverse-charging diode can improve the judgment accuracy.
Referring to fig. 2 and fig. 3, in which fig. 2 shows an electrical schematic diagram of a cell in a photovoltaic module provided by an embodiment of the present application, and fig. 3 shows a front view of the photovoltaic module provided by the embodiment of the present application. The photovoltaic module cleaning and judging method provided by the embodiment of the application collects the operating parameters of the photovoltaic module and can comprise the following steps:
and collecting the operation parameters of the cell at the bottom of the photovoltaic module.
Considering that photovoltaic module is mostly the slope installation, therefore, the dust accumulates in photovoltaic module's bottom most easily, combine the electrical schematic diagram of battery piece to know, in case the battery piece dust of bottom shelters from, the battery piece just can't normally output current under the wooden bucket effect condition, this causes whole battery cluster 01 to have almost no electric current, simultaneously, the power that can appear other battery pieces is whole to be converted into heat energy and is absorbed by the battery piece that shelters from, local formation hot plate effect, for this reason, the operation parameter that the battery piece that lies in photovoltaic module bottom specifically can be gathered when gathering photovoltaic module's operation parameter to this application, so that improve photovoltaic module and wash the accuracy of judging.
The photovoltaic module cleaning and judging method provided by the embodiment of the application collects the operation parameters of the cell piece positioned at the bottom of the photovoltaic module, and can comprise the following steps:
collecting an irradiation value and a temperature value of a battery plate at the bottom of the photovoltaic module, and collecting voltage values at two ends of an anti-reverse charging diode 02 at the bottom of the photovoltaic module;
accordingly, determining whether the operating parameter is within the preset parameter range may include:
judging whether the irradiation value is lower than a preset irradiation value or not, judging whether the temperature value is higher than a preset temperature value or not, and judging whether the voltage values at two ends of the anti-reverse-charging diode 02 positioned at the bottom of the photovoltaic are lower than a preset end voltage or not;
and if the irradiation value is lower than the preset irradiation value, the temperature value is greater than the preset temperature value, and the voltage value at two ends of the anti-reverse-charging diode 02 positioned at the bottom of the photovoltaic module is smaller than the preset terminal voltage, determining that the photovoltaic module needs to be cleaned.
When the operation parameters of a battery piece at the bottom of the photovoltaic assembly are collected, the irradiation value and the temperature value of the battery piece at the bottom of the photovoltaic assembly can be collected, the voltage values at two ends of an anti-reverse-charging diode 02 at the bottom of the photovoltaic assembly are collected, then, whether the irradiation value is lower than a preset irradiation value or not is judged, whether the temperature value is larger than a preset temperature value or not is judged, whether the voltage values at two ends of the anti-reverse-charging diode 02 at the bottom of the photovoltaic assembly are smaller than a preset terminal voltage or not is judged, if the irradiation value is lower than the preset irradiation value, the temperature value is larger than the preset temperature value and the voltage values at two ends of the anti-reverse-charging diode 02 at the bottom of the photovoltaic assembly are smaller than the preset terminal voltage, accumulated dust exists in the battery piece at the bottom of the photovoltaic assembly, power consumption for converting electric energy into heat energy exists in the battery piece at the bottom of the photovoltaic assembly, meanwhile, a short circuit occurs in an operation loop of a corresponding battery string 01, and at the moment, the photovoltaic assembly is determined to need to be cleaned.
Taking fig. 2 as an example, wherein the photovoltaic module includes 6 × 12=72 cells, 6 represents the number of the cell strings 01, and 12 represents the number of the cells included in each cell string 01, when the bottom cell is not shielded, the corresponding cell loop is in a normal state (corresponding to the loop 03 in fig. 2), when the bottom cell is shielded (fig. 2 illustrates that two cells in the lower right corner of the photovoltaic module are shielded), the corresponding cell loop is in a shielded state (specifically, the loop 04 in fig. 2), and meanwhile, the irradiance value received by the shielded cell decreases, and the temperature of the shielded cell itself increases due to power consumption, so that the determination can be performed through the temperature, the anti-reverse charging diode 02, so as to improve the timeliness and the accuracy of the determination.
The method for judging the cleaning of the photovoltaic module, provided by the embodiment of the application, is used for collecting the irradiation value and the temperature value of the cell at the bottom of the photovoltaic module, and can comprise the following steps:
the irradiation value of the back surface of the cell is collected by using an irradiation sensor 05 which is preset on the back surface of the bottom of the photovoltaic module, and the temperature value of the back surface of the cell is collected by using a temperature sensor 06 which is preset on the back surface of the bottom of the photovoltaic module.
When collecting the irradiation value and the temperature value of the cell sheet positioned at the bottom of the photovoltaic module, the irradiation sensor 05 and the temperature sensor 06 can be arranged on the back of the bottom of the photovoltaic module in advance, the irradiation sensor 05 is used for collecting the irradiation value of the back of the cell sheet positioned at the bottom of the photovoltaic module, the temperature sensor 06 is used for collecting the temperature value of the back of the cell sheet positioned at the bottom of the photovoltaic module, the influence on the generated energy of the photovoltaic module caused by the fact that the irradiation sensor 05 and the temperature sensor 06 are arranged on the front is avoided, and therefore the power generation performance of the photovoltaic module is improved.
The photovoltaic module cleaning and judging method provided by the embodiment of the application collects the operating parameters of the photovoltaic module and can comprise the following steps:
and collecting the operating parameters of the photovoltaic module in real time.
When the operating parameters of the photovoltaic module are collected, the operating parameters can be collected in real time, so that whether the photovoltaic module needs to be cleaned or not can be determined in time.
Of course, the time interval can also be preset according to actual needs, and the operating parameters of the photovoltaic module can be collected at preset time intervals.
The photovoltaic module cleaning judgment method provided by the embodiment of the application sends out the cleaning prompt, and can include the following steps:
and sending out a voice cleaning prompt needing cleaning.
When sending the washing suggestion, specifically can send the abluent pronunciation of needs and wash the suggestion to fortune dimension personnel can wash photovoltaic module in time according to the pronunciation washing suggestion.
The embodiment of the present application further provides a photovoltaic module cleaning determination apparatus, refer to fig. 4, which shows a schematic structural diagram of the photovoltaic module cleaning determination apparatus provided in the embodiment of the present application, and the apparatus may include:
the acquisition module 41 is used for acquiring the operating parameters of the photovoltaic module;
a judging module 42, configured to judge whether the operation parameter is within a preset parameter range; the preset parameter range is a parameter set according to the operation data of the photovoltaic module in a clean state;
and the prompting module 43 is configured to determine that the photovoltaic module needs to be cleaned and send a cleaning prompt when it is determined that the operation parameter is not within the preset parameter range.
The photovoltaic module washs decision maker that this application embodiment provided, collection module 41 can include:
the first acquisition unit is used for acquiring voltages at two ends of an anti-reverse-charging diode which is arranged in the photovoltaic assembly and positioned between the photovoltaic strings;
accordingly, the determining module 42 may include:
the first judgment unit is used for judging whether the voltage at the two ends of the anti-reverse charging diode is smaller than the preset end voltage, and if so, the photovoltaic assembly is determined to need to be cleaned.
The photovoltaic module washs decision maker that this application embodiment provided, collection module 41 can include:
and the second acquisition unit is used for acquiring the operating parameters of the battery piece positioned at the bottom of the photovoltaic module.
The photovoltaic module washs decision maker that this application embodiment provided, the second acquisition unit can include:
the first acquisition subunit is used for acquiring an irradiation value and a temperature value of a battery plate positioned at the bottom of the photovoltaic assembly and acquiring voltage values at two ends of an anti-reverse charging diode positioned at the bottom of the photovoltaic assembly;
accordingly, the determining module may include:
the second judgment unit is used for judging whether the irradiation value is lower than the preset irradiation value or not, judging whether the temperature value is larger than the preset temperature value or not, and judging whether the voltage values at two ends of the anti-reverse-charging diode positioned at the bottom of the photovoltaic are smaller than the preset end voltage or not;
and the determining unit is used for determining that the photovoltaic assembly needs to be cleaned if the irradiation value is lower than a preset irradiation value, the temperature value is greater than a preset temperature value, and the voltage values at two ends of the anti-reverse-charging diode at the bottom of the photovoltaic are less than a preset end voltage.
The embodiment of the application provides a photovoltaic module washs decision-making device, and first collection subunit can include:
and the second acquisition subunit is used for acquiring the irradiation value of the back surface of the battery piece by using the irradiation sensor which is preset on the back surface of the bottom of the photovoltaic module and acquiring the temperature value of the back surface of the battery piece by using the temperature sensor which is preset on the back surface of the bottom of the photovoltaic module.
The embodiment of the application provides a photovoltaic module washs decision-making apparatus, and collection module 41 can include:
and the third acquisition unit is used for acquiring the operating parameters of the photovoltaic module in real time.
The photovoltaic module washs decision maker that this application embodiment provided, suggestion module 43 can include:
and the prompt unit is used for sending out a voice cleaning prompt required to be cleaned.
The embodiment of the present application further provides a photovoltaic module cleaning determination device, refer to fig. 5, which shows a schematic structural diagram of the photovoltaic module cleaning determination device provided in the embodiment of the present application, and the photovoltaic module cleaning determination device may include:
a memory 51 for storing a computer program;
the processor 52, when executing the computer program stored in the memory 51, may implement the following steps:
collecting operating parameters of the photovoltaic module; judging whether the operation parameters are in a preset parameter range or not; the preset parameter range is a parameter set according to the operation data of the photovoltaic module in a clean state; if not, determining that the photovoltaic assembly needs to be cleaned and sending a cleaning prompt.
An embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program may implement the following steps:
collecting operating parameters of the photovoltaic module; judging whether the operation parameters are in a preset parameter range or not; the preset parameter range is a parameter set according to operation data of the photovoltaic module in a clean state; if not, determining that the photovoltaic assembly needs to be cleaned and sending a cleaning prompt.
For descriptions of relevant parts in the photovoltaic module cleaning determination apparatus, the device, and the computer-readable storage medium provided in the embodiments of the present application, reference may be made to detailed descriptions of corresponding parts in the photovoltaic module cleaning determination method provided in the embodiments of the present application, and details are not repeated here.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include elements inherent in the list. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element. In addition, parts of the technical solutions provided in the embodiments of the present application that are consistent with implementation principles of corresponding technical solutions in the prior art are not described in detail, so as to avoid redundant description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A photovoltaic module cleaning judgment method is characterized by comprising the following steps:
collecting operating parameters of the photovoltaic module;
judging whether the operation parameters are in a preset parameter range or not; the preset parameter range is a parameter set according to the operation data of the photovoltaic module in a clean state;
if not, determining that the photovoltaic module needs to be cleaned and sending a cleaning prompt;
collecting operating parameters of a photovoltaic module, comprising:
collecting voltages at two ends of an anti-reverse-charging diode which is arranged in the photovoltaic assembly and located between the photovoltaic strings;
correspondingly, judging whether the operation parameters are in a preset parameter range or not comprises the following steps:
judging whether the voltage at two ends of the anti-reverse charging diode is smaller than a preset end voltage, if so, determining that the photovoltaic assembly needs to be cleaned;
or, collecting the operating parameters of the photovoltaic module, including:
collecting an irradiation value and a temperature value of a battery plate at the bottom of the photovoltaic module, and collecting voltage values at two ends of an anti-reverse-charging diode at the bottom of the photovoltaic module;
judging whether the operation parameters are in a preset parameter range or not, including:
judging whether the irradiation value is lower than a preset irradiation value or not, judging whether the temperature value is larger than a preset temperature value or not, and judging whether voltage values at two ends of an anti-reverse-charging diode positioned at the bottom of the photovoltaic are smaller than a preset end voltage or not;
if the irradiation value is lower than the preset irradiation value, the temperature value is greater than the preset temperature value, and the voltage values at two ends of the anti-reverse-charging diode at the bottom of the photovoltaic module are smaller than a preset end voltage, determining that the photovoltaic module needs to be cleaned;
gather and be located irradiation value, the temperature value of the battery piece of photovoltaic module bottom includes:
and acquiring the irradiation value of the back surface of the cell by using an irradiation sensor which is preset on the back surface of the bottom of the photovoltaic module, and acquiring the temperature value of the back surface of the cell by using a temperature sensor which is preset on the back surface of the bottom of the photovoltaic module.
2. The photovoltaic module cleaning determination method according to claim 1, wherein collecting operating parameters of the photovoltaic module comprises:
and collecting the operating parameters of the photovoltaic module in real time.
3. The photovoltaic module cleaning determination method according to claim 2, wherein the issuing of the cleaning prompt includes:
and sending out a voice cleaning prompt needing cleaning.
4. A photovoltaic module washs decision-making device which characterized in that includes:
the acquisition module is used for acquiring the operating parameters of the photovoltaic module;
the judging module is used for judging whether the operation parameters are in a preset parameter range or not; the preset parameter range is a parameter set according to the operation data of the photovoltaic module in a clean state;
the prompting module is used for determining that the photovoltaic module needs to be cleaned and sending a cleaning prompt when the operation parameter is determined not to be within the preset parameter range;
the acquisition module comprises:
the first acquisition unit is used for acquiring voltages at two ends of an anti-reverse-charging diode which is arranged in the photovoltaic assembly and positioned between the photovoltaic strings;
accordingly, the judging module comprises:
the first judgment unit is used for judging whether the voltage at two ends of the anti-reverse charging diode is smaller than a preset end voltage, and if so, the photovoltaic module is determined to need to be cleaned;
or, the collection module comprises:
the second acquisition unit is used for acquiring an irradiation value and a temperature value of a battery plate at the bottom of the photovoltaic assembly and acquiring voltage values at two ends of an anti-reverse-charging diode at the bottom of the photovoltaic assembly;
correspondingly, the judging module comprises:
the second judgment unit is used for judging whether the irradiation value is lower than a preset irradiation value or not, judging whether the temperature value is larger than a preset temperature value or not, and judging whether the voltage values at two ends of an anti-reverse-charging diode positioned at the bottom of the photovoltaic module are smaller than a preset end voltage or not;
the determining unit is used for determining that the photovoltaic assembly needs to be cleaned if the irradiation value is lower than the preset irradiation value, the temperature value is greater than the preset temperature value, and the voltage values at two ends of an anti-reverse-charging diode at the bottom of the photovoltaic assembly are smaller than a preset end voltage;
the second acquisition unit includes:
and the acquisition subunit is used for acquiring the irradiation value of the back surface of the cell by using an irradiation sensor which is preset on the back surface of the bottom of the photovoltaic assembly and acquiring the temperature value of the back surface of the cell by using a temperature sensor which is preset on the back surface of the bottom of the photovoltaic assembly.
5. The utility model provides a photovoltaic module washs decision-making equipment which characterized in that includes:
a memory for storing a computer program;
a processor for implementing the steps of the method for determining the cleaning of a photovoltaic module according to any one of claims 1 to 3 when executing said computer program.
6. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the method for photovoltaic module cleaning determination according to any one of claims 1 to 3.
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| CN113695295B (en) * | 2021-08-06 | 2023-04-07 | 阳光新能源开发股份有限公司 | Cleaning method, device and medium for photovoltaic module |
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