CN105215034A - Realize the system and method for photovoltaic plant solar panel intelligence cleaning - Google Patents
Realize the system and method for photovoltaic plant solar panel intelligence cleaning Download PDFInfo
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- CN105215034A CN105215034A CN201510785343.8A CN201510785343A CN105215034A CN 105215034 A CN105215034 A CN 105215034A CN 201510785343 A CN201510785343 A CN 201510785343A CN 105215034 A CN105215034 A CN 105215034A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 51
- 230000005855 radiation Effects 0.000 claims abstract description 23
- 238000010248 power generation Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000003203 everyday effect Effects 0.000 claims description 9
- 238000010348 incorporation Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000009885 systemic effect Effects 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 abstract description 4
- 238000004445 quantitative analysis Methods 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000027950 fever generation Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
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Abstract
The present invention relates to a kind of system and method realizing the cleaning of photovoltaic plant solar panel intelligence, comprising environment harvester, in order to gather intensity of solar radiation and solar radiation quantity data; Generating information collecting device, in order to gather actual power generation; The communication server, in order to environment harvester, generating information collecting device and data processing server between communicate; Data processing server, in order to calculate the theoretical generated energy of photovoltaic plant, theoretical gene-ration revenue and loss gene-ration revenue and to judge whether to need cleaning; Display terminal, in order to show cleaning suggestion to user.Adopt this kind to realize the system and method for photovoltaic plant solar panel intelligence cleaning, " theoretical generated energy " concept is introduced in the photovoltaic panel cleaning analysis of photovoltaic plant; The clean condition of photovoltaic panel is carried out quantitative analysis, by data processing server, Logic judgment is carried out to the situation in power station, to user's intelligently pushing cleaning plan, there is range of application widely.
Description
Technical field
The present invention relates to technical field of solar, particularly relate to solar panel cleaning technique field, specifically refer to a kind of system and method realizing the cleaning of photovoltaic plant solar panel intelligence.
Background technology
Along with traditional fossil energy crisis is day by day serious, the environmental disruption caused at present and human survival swap-in worsen, and force the vigorous growth period of entering of new forms of energy industry.Wherein solar energy power generating have pollution-free, without the need to dyestuff consumption, namely send out plurality of advantages such as namely using, therefore obtain the great attention of industry all circles.
Solar electrical energy generation utilizes photoelectric effect, relies on the solar radiation that solar cell receives, the luminous energy of the sun is converted to electric energy, generation current.And many solar cells are by connection in series-parallel and tight encapsulation composition photovoltaic module, in photovoltaic plant, use the photovoltaic panel be made up of many assemblies as the generator unit accepting solar energy.The efficiency of photovoltaic panel generating, closely related with intensity of illumination, under not considering the impact of temperature height, intensity of illumination is stronger, and photovoltaic panel generated output is larger.But solar electrical energy generation can be subject to the impact of the veils such as photovoltaic panel surface dirt.The clean condition of photovoltaic panel is not good, photovoltaic panel light transmittance not only can be caused to decline, and then cause generated energy to reduce, and local pyrexia also can be caused excessive simultaneously, the phenomenon such as cause that photovoltaic module burns.Therefore, how to keep in photovoltaic plant photovoltaic panel to clean, ensure that photovoltaic power station power generation efficiency keeps stable, reduce economic loss, extension device service life, become the important topic in photovoltaic plant management O&M.
In current photovoltaic plant, the cleaning of photovoltaic panel is generally used to the mode of manual cleaning, but most of photovoltaic plant is just according to the experience of operation maintenance personnel, naked eyes judge that photovoltaic panel is the need of cleaning, or directly regularly unify to clean to photovoltaic plant.No matter use which kind of method, all accurately cannot formulate photovoltaic plant cleaning plan.Clean after every is shorter, can bring the increase of cleaning charge; Clean after every is longer, can affect photovoltaic panel generating efficiency, brings the loss of gene-ration revenue to power station.
Summary of the invention
The object of the invention is the shortcoming overcoming above-mentioned prior art, provide a kind of realization that can realize and photovoltaic panel clean condition in photovoltaic plant is judged, help power station to formulate cleaning plan, there is the system and method for broader applications scope photovoltaic plant solar panel intelligence cleaning.
To achieve these goals, the system and method realizing the cleaning of photovoltaic plant solar panel intelligence of the present invention has following formation:
This realizes the system of photovoltaic plant solar panel intelligence cleaning, and its main feature is, described system comprises:
Environment harvester, in order to gather intensity of solar radiation and solar radiation quantity data;
Generating information collecting device, in order to gather actual power generation;
The communication server, in order to communicate between environment harvester and data processing server, between generating information collecting device and data processing server;
Data processing server, in order to calculate the theoretical generated energy of photovoltaic plant, theoretical gene-ration revenue and loss gene-ration revenue and to judge whether to need cleaning according to loss gene-ration revenue;
Display terminal, in order to show cleaning suggestion to user.
The invention still further relates to a kind of method realizing the cleaning of photovoltaic plant solar panel intelligence based on described system, it is characterized in that, described method comprises the following steps:
(1) the environment harvester described in gathers intensity of solar radiation and solar radiation quantity data;
(2) the generating information collecting device described in gathers actual power generation;
(3) data processing server described in calculates the theoretical generated energy of photovoltaic plant, theoretical gene-ration revenue and loss gene-ration revenue and judges whether to need cleaning according to loss gene-ration revenue;
(4) display terminal described in shows cleaning suggestion to user.
Preferably, described step (3) comprises the following steps:
(3-1) data processing server described in calculates the theoretical generated energy of photovoltaic plant according to described solarimeter;
(3-2) data processing server described in calculates theoretical gene-ration revenue and actual power income according to described theoretical generated energy;
(3-3) data processing server described in calculates electric power station system efficiency according to described actual power generation and theoretical generated energy;
(3-4) data processing server described in calculates the difference of the efficiency of the same day and proxima luce (prox. luc), if efficiency difference is greater than certain threshold value, then using this calculating day as the improved efficiency date;
(3-5) data processing server described in calculates from the last improved efficiency date to the accumulating losses gene-ration revenue on the same day;
(3-6) data processing server described in judges to determine to need cleaning when accumulating losses gene-ration revenue is greater than systemic presupposition loss threshold value.
More preferably, described step (3-1) is specially:
Described data processing server is according to the theoretical generated energy of following formulae discovery photovoltaic plant:
E＝D×S×η；
Wherein, D is solar radiation quantity, and E is theoretical generated energy, and S is photovoltaic plant solar panel area, and η is battery component conversion ratio, and N is the number of described environment harvester collection point on the same day, G
1the irradiation value of environment harvester first collection point on the same day described in expression, G
nthe irradiation value of last collection point, environment harvester collection point on the same day described in expression.
More preferably, described step (3-2) is specially:
Described data processing server is according to the theoretical gene-ration revenue of following formulae discovery and actual power income:
Theoretical gene-ration revenue=theoretical generated energy × power station unit rate for incorporation into the power network;
Actual power income=actual power generation × power station unit rate for incorporation into the power network.
More preferably, described step (3-3) is specially:
Described data processing server is according to following formulae discovery electric power station system efficiency:
Electric power station system efficiency=actual power generation/theoretical generated energy.
More preferably, described step (3-5) is specially:
Described data processing server according to following formulae discovery from the last improved efficiency date to the accumulating losses gene-ration revenue on the same day:
Wherein, T is the accumulating losses gene-ration revenue to the same day from the last improved efficiency date, t
1for the last improved efficiency date, t
nfor calculating the date on the same day, M
2for theoretical gene-ration revenue every day, M
1for actual power income every day.
Have employed the system and method realizing the cleaning of photovoltaic plant solar panel intelligence in this invention, " theoretical generated energy " concept is introduced in the photovoltaic panel cleaning analysis of photovoltaic plant; The clean condition of photovoltaic panel is carried out quantitative analysis, by data processing server, Logic judgment is carried out to the situation in power station, to user's intelligently pushing cleaning plan, there is range of application widely.
Accompanying drawing explanation
Fig. 1 is the structural representation realizing the system of photovoltaic plant solar panel intelligence cleaning of the present invention.
Detailed description of the invention
In order to more clearly describe technology contents of the present invention, conduct further description below in conjunction with specific embodiment.
The technical program essentially describes one and judges the photovoltaic plant optimal clean moment, helps power station operation maintenance personnel to formulate the intelligent cleaning program of cleaning plan.
Native system is made up of environment harvester, generating information collecting device, the communication server, data processing server and display terminal.Environment harvester primary responsibility gathers solar irradiation intensity and solar radiation quantity data, generating information collecting device mainly gathers actual power generation, data processing server is for calculating the theoretical generated energy of photovoltaic plant, theoretical gene-ration revenue, loss gene-ration revenue, display terminal completing user and back-end data mutual, and the final cleaning suggestion provided to user's display systems to user.
At information gathering end, environment information acquisition device gathers intensity of solar radiation information with certain sampling rate, and after the communication server, the illumination intensity information received in a day is carried out accumulation calculating by backstage, obtains the solar radiation total amount in photovoltaic panel inclined plane.
1, the information that collects of environment information acquisition device
A) radiation intensity (G): radiation intensity is the power information collected, representative is often radiated in a flash the intensity of solar energy in photovoltaic panel, and unit is w/m
2.
B) actual power generation (R): in photovoltaic plant, solar energy is converted to all generated energy exchanging and export by assembly in a day;
2, user needs the parameter that configures in systems in which
A) battery component conversion ratio (η): dissimilar assembly conversion efficiency is different, is divided into monocrystalline silicon, polysilicon and film type, needs to be configured in the face of it at the configuration page of display terminal;
B) photovoltaic plant photovoltaic panel area (S): the power within the scope of what irradiation intensity or amount of radiation described is all square metre or energy, thus square formation area can affect received energy number;
C) power station plan cleaning fund (P)
System carries out background analysis when calculating, and can arrange difference, be pushed to the cleaning plan that user is different according to this value.
3, the calculative data of data processing server are as follows:
A) theoretical generated energy (E):
E＝D×S×η；
B) wherein the account form of amount of radiation D is:
The first term of summation gets first the irradiation value in a day, collector sent, and last item gets the irradiation value that in a day, collector send finally.N is the number of all collection points collected.
The unit of D is kWh/m
2.
C) every day actual power income M
1
Be multiplied with power station unit rate for incorporation into the power network by actual power generation.
D) every day theoretical gene-ration revenue M
2
Be multiplied with power station unit rate for incorporation into the power network by theoretical generated energy.
E) electric power station system efficiency PR
PR＝J/E；
J is photovoltaic plant electricity volume; E is theoretical generated energy.Data processing server calculates the difference of the PR of the same day and proxima luce (prox. luc), if PR difference is greater than certain threshold value, then this calculating day is improved the some date as PR, represents Ben power station and carried out cleaning.
Use PR to improve a little, the impact of rainy weather on photovoltaic panel can be excluded, the situation of rainy situation and manual cleaning is done shielding processing to system.
4, decision logic is cleaned
Data processing server carries out hind computation from evening every day, to the daily loss gene-ration revenue sum on the same day calculating the date having PR improvement point from the last time every night
Be accumulating losses gene-ration revenue.
Wherein t
1for the last time has the date that PR improves day, t
icalculate the date on the same day.
PR improves some algorithm:
Data processing server calculates the difference of the PR of the same day and proxima luce (prox. luc), if be greater than certain threshold value, then assert that this day occurs that PR improves a little.
When
During T >=P, P is " power station plan cleaning fund ", needs systemic presupposition.
Display terminal can point out user to clean.
According to above-mentioned principle, the method realizing the cleaning of photovoltaic plant solar panel intelligence of the present invention comprises the following steps:
(1) the environment harvester described in gathers intensity of solar radiation and solar radiation quantity data;
(2) the generating information collecting device described in gathers actual power generation;
(3) data processing server described in calculates the theoretical generated energy of photovoltaic plant, theoretical gene-ration revenue and loss gene-ration revenue and judges whether to need cleaning according to loss gene-ration revenue;
(4) display terminal described in shows cleaning suggestion to user.
In one preferably embodiment, described step (3) comprises the following steps:
(3-1) data processing server described in calculates the theoretical generated energy of photovoltaic plant according to described solarimeter;
(3-2) data processing server described in calculates theoretical gene-ration revenue and actual power income according to described theoretical generated energy;
(3-3) data processing server described in calculates electric power station system efficiency according to described actual power generation and theoretical generated energy;
(3-4) electric power station system efficiency is risen to the date of systemic presupposition efficiency threshold as the improved efficiency date by the data processing server described in;
(3-5) data processing server described in calculates from the last improved efficiency date to the accumulating losses gene-ration revenue on the same day;
(3-6) data processing server described in judges to determine to need cleaning when accumulating losses gene-ration revenue is greater than systemic presupposition loss threshold value.
In a kind of better embodiment, described step (3-1) is specially:
Described data processing server is according to the theoretical generated energy of following formulae discovery photovoltaic plant:
E＝D×S×η；
Wherein, D is solar radiation quantity, and E is theoretical generated energy, and S is photovoltaic plant solar panel area, and η is battery component conversion ratio, and N is the number of described environment harvester collection point on the same day, G
1the irradiation value of environment harvester first collection point on the same day described in expression, G
nthe irradiation value of last collection point, environment harvester collection point on the same day described in expression.
In a kind of better embodiment, described step (3-2) is specially:
Described data processing server is according to the theoretical gene-ration revenue of following formulae discovery and actual power income:
Theoretical gene-ration revenue=theoretical generated energy × power station unit rate for incorporation into the power network;
Actual power income=actual power generation × power station unit rate for incorporation into the power network.
In a kind of better embodiment, described step (3-3) is specially:
Described data processing server is according to following formulae discovery electric power station system efficiency:
Electric power station system efficiency=actual power generation/theoretical generated energy.
In a kind of better embodiment, described step (3-5) is specially:
Described data processing server according to following formulae discovery from the last improved efficiency date to the accumulating losses gene-ration revenue on the same day:
Wherein, T is the accumulating losses gene-ration revenue to the same day from the last improved efficiency date, t
1for the last improved efficiency date, t
nfor calculating the date on the same day, M
2for theoretical gene-ration revenue every day, M
1for actual power income every day.
Have employed the system and method realizing the cleaning of photovoltaic plant solar panel intelligence in this invention, " theoretical generated energy " concept is introduced in the photovoltaic panel cleaning analysis of photovoltaic plant; The clean condition of photovoltaic panel is carried out quantitative analysis, by data processing server, Logic judgment is carried out to the situation in power station, to user's intelligently pushing cleaning plan, there is range of application widely.
In this description, the present invention is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, description and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. realize a system for photovoltaic plant solar panel intelligence cleaning, it is characterized in that, described system comprises:
Environment harvester, in order to gather intensity of solar radiation and solar radiation quantity data;
Generating information collecting device, in order to gather actual power generation;
The communication server, in order to communicate between environment harvester and data processing server, between generating information collecting device and data processing server;
Data processing server, in order to calculate the theoretical generated energy of photovoltaic plant, theoretical gene-ration revenue and loss gene-ration revenue and to judge whether to need cleaning according to loss gene-ration revenue;
Display terminal, in order to show cleaning suggestion to user.
2. realize a method for photovoltaic plant solar panel intelligence cleaning based on system according to claim 1, it is characterized in that, described method comprises the following steps:
(1) the environment harvester described in gathers intensity of solar radiation and solar radiation quantity data;
(2) the generating information collecting device described in gathers actual power generation;
(3) data processing server described in calculates the theoretical generated energy of photovoltaic plant, theoretical gene-ration revenue and loss gene-ration revenue and judges whether to need cleaning according to loss gene-ration revenue;
(4) display terminal described in shows cleaning suggestion to user.
3. the method realizing the cleaning of photovoltaic plant solar panel intelligence according to claim 2, it is characterized in that, described step (3) comprises the following steps:
(3-1) data processing server described in calculates the theoretical generated energy of photovoltaic plant according to described solarimeter;
(3-2) data processing server described in calculates theoretical gene-ration revenue and actual power income according to described theoretical generated energy;
(3-3) data processing server described in calculates electric power station system efficiency according to described actual power generation and theoretical generated energy;
(3-4) data processing server described in calculates the difference of the efficiency of the same day and proxima luce (prox. luc), if efficiency difference is greater than certain threshold value, then using this calculating day as the improved efficiency date;
(3-5) data processing server described in calculates from the last improved efficiency date to the accumulating losses gene-ration revenue on the same day;
(3-6) data processing server described in judges to determine to need cleaning when accumulating losses gene-ration revenue is greater than systemic presupposition loss threshold value.
4. the method realizing the cleaning of photovoltaic plant solar panel intelligence according to claim 3, it is characterized in that, described step (3-1) is specially:
Described data processing server is according to the theoretical generated energy of following formulae discovery photovoltaic plant:
E＝D×S×η；
Wherein, D is solar radiation quantity, and E is theoretical generated energy, and S is photovoltaic plant solar panel area, and η is battery component conversion ratio, and N is the number of described environment harvester collection point on the same day, G
1the irradiation value of environment harvester first collection point on the same day described in expression, G
nthe irradiation value of last collection point, environment harvester collection point on the same day described in expression.
5. the method realizing the cleaning of photovoltaic plant solar panel intelligence according to claim 3, it is characterized in that, described step (3-2) is specially:
Described data processing server is according to the theoretical gene-ration revenue of following formulae discovery and actual power income:
Theoretical gene-ration revenue=theoretical generated energy × power station unit rate for incorporation into the power network;
Actual power income=actual power generation × power station unit rate for incorporation into the power network.
6. the method realizing the cleaning of photovoltaic plant solar panel intelligence according to claim 3, it is characterized in that, described step (3-3) is specially:
Described data processing server is according to following formulae discovery electric power station system efficiency:
Electric power station system efficiency=actual power generation/theoretical generated energy.
7. the method realizing the cleaning of photovoltaic plant solar panel intelligence according to claim 3, it is characterized in that, described step (3-5) is specially:
Described data processing server according to following formulae discovery from the last improved efficiency date to the accumulating losses gene-ration revenue on the same day:
Wherein, T is the accumulating losses gene-ration revenue to the same day from the last improved efficiency date, t
1for the last improved efficiency date, t
nfor calculating the date on the same day, M
2for theoretical gene-ration revenue every day, M
1for actual power income every day.
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