KR20130074686A - Apparatus for maintaining solar cell module and control method thereof - Google Patents
Apparatus for maintaining solar cell module and control method thereof Download PDFInfo
- Publication number
- KR20130074686A KR20130074686A KR1020110142857A KR20110142857A KR20130074686A KR 20130074686 A KR20130074686 A KR 20130074686A KR 1020110142857 A KR1020110142857 A KR 1020110142857A KR 20110142857 A KR20110142857 A KR 20110142857A KR 20130074686 A KR20130074686 A KR 20130074686A
- Authority
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- South Korea
- Prior art keywords
- solar cell
- cell module
- temperature
- unit
- spraying
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000012423 maintenance Methods 0.000 claims abstract description 44
- 230000005855 radiation Effects 0.000 claims abstract description 28
- 238000010248 power generation Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 238000004140 cleaning Methods 0.000 claims description 29
- 238000005507 spraying Methods 0.000 claims description 28
- 238000005406 washing Methods 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000007710 freezing Methods 0.000 claims description 9
- 230000008014 freezing Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000011109 contamination Methods 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims 1
- 239000002352 surface water Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention relates to a maintenance apparatus of a solar cell module and a method of controlling the same. The present invention accurately cleans and cools a solar cell module based on an outside temperature, a module temperature, a pollution degree, and an amount of solar radiation based on the amount of electricity generated. By maintaining the solar cell module can improve the power generation efficiency.
Description
The present invention relates to a maintenance apparatus of a solar cell module and a method of controlling the same, and more particularly, to accurately clean and determine a cleaning time and a cooling time of a solar cell module based on generation power, outdoor temperature, module temperature, pollution degree, and solar radiation amount. The present invention relates to a maintenance apparatus of a solar cell module and a control method thereof for cooling and cooling to efficiently maintain a solar cell module to improve power generation efficiency.
Recently, as the interest in clean energy such as solar power is increasing to cope with the depletion of fossil resources and environmental pollution, solar power generation that generates electromotive force by using solar light has attracted much attention.
Photovoltaic power generation is achieved by using solar cells that convert light energy into electrical energy, and solar cells generate electromotive force by a minority carrier excited by sunlight in a PN junction semiconductor.
Solar cells are made of semiconductor materials such as monocrystalline silicon, polycrystalline silicon, amorphous silicon, and compound semiconductors. Finally, solar cells are fabricated in the form of modular solar cell modules that are electrically connected to each other after being mounted in a predetermined frame. .
Such solar cell modules are used for large-scale power generation or small-scale power generation for supplying auxiliary power to houses or buildings.
Recently, it is also widely used for power supply of street lights, security lights, induction lamps, and the like.
The background art of the present invention is disclosed in Korean Patent Laid-Open No. 10-2010-0091057 (Aug. 18, 2010) "Cleaning Apparatus for Solar Panels".
Since solar cell modules are installed outdoors due to their direct exposure to sunlight, the surface of the solar panel is easily contaminated due to wind, dust, rain, or snow accumulation. There is a problem that the power generation efficiency is lowered because it is not split.
Therefore, there is a problem in that the surface of the solar cell module needs to be cleaned periodically or as needed, and the maintenance cost for cooling the solar cell module when the temperature rises is high.
The present invention was created to improve the above problems, and accurately determine the cleaning time and cooling time of the solar cell module based on the generation temperature, the outside air temperature, module temperature, pollution degree and insolation amount, and clean and cool effectively It is an object of the present invention to provide a maintenance apparatus for a solar cell module and a method of controlling the same, which maintain and maintain a battery module to improve power generation efficiency.
The maintenance apparatus of the solar cell module according to an aspect of the present invention comprises a power generation sensing unit for sensing the amount of power generated through the solar cell module; Module temperature sensor for measuring the surface temperature of the solar cell module; Pollution measuring unit for measuring the contamination state of the solar cell module; A solar radiation measurement unit for measuring the solar radiation irradiated with the solar cell module; An outside air temperature sensor for detecting outside air temperature; Maintenance unit for cleaning and cooling the solar cell module; And a control unit configured to operate the maintenance unit by determining the time of cleaning and cooling based on the difference between the surface temperature and the surface temperature and the outside temperature by receiving the amount of generation and the amount of insolation.
The present invention further includes a rain sensor for determining a rain state and a wind speed sensor for detecting wind speed, and the controller is configured to stop the operation of the maintenance unit according to the rain state and the wind speed.
In the present invention, the maintenance unit cleaning unit for spraying the cleaning liquid to the solar cell module; Hot water spraying unit for spraying hot water to the solar cell module; Cold water injection unit for spraying cold water to the solar cell module; And it characterized in that it comprises a drain valve for draining cold water and hot water.
Maintenance unit in the present invention is characterized in that it further comprises a heater for preventing the freezing of the hot water injection unit and cold water injection unit.
A control method of a maintenance apparatus of a solar cell module according to an embodiment of the present invention includes the steps of: the control unit receiving a generation amount generated from the solar cell module from a generation amount sensing unit; Receiving the solar radiation amount irradiated by the solar cell module from the solar radiation measurement unit when the amount of power generation is lower than a predetermined amount; Washing the solar cell module by spraying a cleaning solution when the amount of insolation is greater than or equal to the reference insolation; And selectively washing the solar cell module according to the surface temperature of the solar cell module when the solar radiation amount is less than the reference solar radiation amount.
In the present invention, the cleaning of the solar cell module by spraying the cleaning solution may be performed by comparing the surface temperature of the solar cell module with the first reference temperature and spraying cold water or hot water.
In the present invention, the step of selectively washing according to the surface temperature is characterized in that the washing by spraying cold water when the surface temperature is more than the second reference temperature.
In the present invention, the washing of the solar cell module is characterized in that the cleaning time is set according to the contamination state.
The present invention is characterized in that the re-operation is stopped for a set time after the step of washing the solar cell module.
The present invention is characterized in that the control unit further comprises the step of cooling the solar cell module by spraying cold water when the temperature difference between the outside temperature and the surface temperature is received more than the set difference by receiving the outside temperature and the surface temperature.
Cooling the solar cell module in the present invention is characterized in that the cooling time is set according to the temperature difference.
The present invention is characterized in that the control unit further comprises the step of opening the drain valve when the outside temperature is less than the set temperature receives the outside temperature.
The present invention is characterized in that the control unit further comprises the step of operating the heater when the outside temperature is less than the set temperature receives the outside temperature.
The present invention is characterized in that it further comprises the step of receiving the rainfall state and the wind speed to stop the operation of the maintenance unit according to the rain state and wind speed.
The present invention accurately improves the cleaning time and cooling time of the solar cell module based on the generation temperature, outside air temperature, module temperature, pollution degree and solar radiation, and cleans and cools to efficiently maintain and maintain the solar cell module to improve power generation efficiency. have.
1 is a block diagram showing a holding device of a solar cell module according to an embodiment of the present invention.
2 is a flowchart illustrating a control method of a holding device of a solar cell module according to an embodiment of the present invention.
3 is a flowchart illustrating a cooling process in the control method of the holding device of the solar cell module according to an embodiment of the present invention.
4 is a flowchart illustrating a freeze protection driving method of a control method of a holding device of a solar cell module according to an exemplary embodiment of the present invention.
5 is a flowchart illustrating an operation according to the rainfall state and the wind speed in the control method of the maintenance apparatus of the solar cell module according to an embodiment of the present invention.
6 is a flowchart illustrating a reoperation prevention in a control method of a holding device of a solar cell module according to an embodiment of the present invention.
Hereinafter, with reference to the accompanying drawings will be described an embodiment of a holding device and a control method of the solar cell module according to the present invention. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.
1 is a block diagram showing a holding device of a solar cell module according to an embodiment of the present invention.
As shown in FIG. 1, a maintenance apparatus of a solar cell module according to an embodiment of the present invention includes a power generation
The amount of
The
The
At this time, the
In this embodiment, a specific method is not limited to a method for determining a contamination state of a solar cell module.
The solar
The outside
The
In order to clean and cool the solar cell module, the
The
That is, the
In addition, when the amount of insolation is less than the reference insolation, the cold
In addition, the
On the other hand, the
In addition, after washing the solar cell module to stop the operation of the
2 is a flowchart illustrating a control method of a maintenance apparatus of a solar cell module according to an embodiment of the present invention, and FIG. 3 is a cooling process in a control method of a maintenance apparatus of a solar cell module according to an embodiment of the present invention. 4 is a flowchart illustrating a freeze protection driving method in a control method of a maintenance apparatus of a solar cell module according to an embodiment of the present invention, and FIG. 5 is an aspect according to an embodiment of the present invention. Flow chart for explaining the operation according to the rainfall state and the wind speed in the control method of the holding device of the battery module, Figure 6 illustrates the prevention of re-operation in the control method of the holding device of the solar cell module according to an embodiment of the present invention. Flowchart for
First, as shown in FIG. 2, in the control method of the maintenance apparatus of the solar cell module according to the exemplary embodiment of the present invention, the
At this time, if the amount of power generation is less than the set amount (S20), that is, if the lower than the set amount receives the solar radiation irradiated by the solar cell module from the solar radiation measuring unit 40 (S30).
That is, it is determined whether the state of insufficient power generation is a polluted state or a state of insufficient solar radiation (S40).
When the solar radiation amount is higher than the reference solar radiation amount, the solar cell module is contaminated and the surface temperature of the solar cell module input from the
In this case, when the surface temperature is less than the first reference temperature, the washing
On the other hand, when the surface temperature exceeds the first reference temperature, the washing
As such, when the solar cell module is determined to be contaminated and washed, the washing time may be set according to the contamination state measured by the
In addition, when the amount of insolation is less than the reference insolation, the surface temperature of the solar cell module is compared with the second reference temperature, and when the surface temperature is higher than the second reference temperature, the cold
However, when the surface temperature is less than the second reference temperature, it is determined that the lack of power generation is due to the lack of insolation, and thus the washing and cooling operations are not performed.
In addition, the control method of the maintenance apparatus of the solar cell module according to the present invention includes the step of cooling the solar cell module as shown in FIG.
That is, the
If the calculated temperature difference is greater than or equal to the set difference, the cold
At this time, the cooling time can be set differently according to the temperature difference between the outside temperature and the solar cell module.
In addition, the control method of the maintenance apparatus of the solar cell module according to the present invention includes a winter freeze protection driving process as shown in FIG.
That is, the
And, if the received outside temperature is less than the set temperature performs the freezing prevention drive (S210) (S220).
In the freezing prevention operation, the
On the other hand, when the
In addition, the control method of the holding device of the solar cell module according to the present invention includes a process of stopping the operation of the holding device during rainfall or typhoon as shown in FIG.
That is, the
In the rain state, the solar cell module is not only washed due to the rain, but also stops the operation of the
In addition, when the wind speed is higher than the set wind speed, for example, even if a typhoon or the like occurs, the operation of the
In addition, the control method of the maintenance apparatus of the solar cell module according to the present invention includes a process for preventing re-operation when the cleaning is completed, as shown in FIG.
That is, it is determined whether the set time has elapsed after the cleaning of the solar cell module (S400) (S420).
In extreme circumstances, after cleaning and cooling, cleaning and cooling conditions are continuously performed as the cleaning and cooling conditions are continuously satisfied.
However, in such a situation, as the cost and power loss for the operation of the
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the technical scope of the present invention should be defined by the following claims.
10: power generation unit 20: module temperature sensor
30: pollution measuring unit 40: solar radiation measuring unit
50: outside temperature sensor 60: rain sensor
70: wind speed sensor 80: control unit
90: maintenance unit 91: cleaning liquid injection unit
92: hot water injection unit 93: cold water injection unit
94: drain valve 95: heater
Claims (14)
A module temperature sensor measuring the surface temperature of the solar cell module;
A pollution measuring unit for measuring a pollution state of the solar cell module;
A solar radiation measurement unit for measuring the solar radiation irradiated with the solar cell module;
An outside air temperature sensor for detecting outside air temperature;
A maintenance unit for cleaning and cooling the solar cell module; And
And a control unit configured to receive the power generation amount and the solar radiation amount and determine a cleaning and cooling time point based on the difference between the surface temperature, the surface temperature, and the outside temperature to operate the maintenance unit. Device.
A cleaning solution spraying unit for spraying the cleaning solution into the solar cell module;
Hot water spraying unit for spraying hot water to the solar cell module;
Cold water injection unit for injecting cold water to the solar cell module; And
And a drain valve for draining the cold water and the hot water.
Receiving the solar radiation amount irradiated to the solar cell module from the solar radiation measurement unit when the power generation amount is lower than a predetermined amount;
Washing the solar cell module by spraying a cleaning solution when the solar radiation amount is more than a reference solar radiation amount; And
And if the solar radiation amount is less than the reference solar radiation amount, selectively cleaning the solar cell module according to the surface temperature of the solar cell module.
And controlling the surface water and the first reference temperature of the solar cell module by spraying and washing the cold water or the hot water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110142857A KR101387103B1 (en) | 2011-12-26 | 2011-12-26 | Apparatus for maintaining solar cell module and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110142857A KR101387103B1 (en) | 2011-12-26 | 2011-12-26 | Apparatus for maintaining solar cell module and control method thereof |
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| Publication Number | Publication Date |
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| KR20130074686A true KR20130074686A (en) | 2013-07-04 |
| KR101387103B1 KR101387103B1 (en) | 2014-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020110142857A KR101387103B1 (en) | 2011-12-26 | 2011-12-26 | Apparatus for maintaining solar cell module and control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150062740A (en) | 2013-11-29 | 2015-06-08 | 주식회사 대양이엔씨 | Apparatus and method for maintaining a solar photovoltaic power generation |
| KR20150076474A (en) | 2013-12-27 | 2015-07-07 | 주식회사 대양이엔씨 | System for forcasting cleaning time of a solar photovoltaic power generation |
| KR20200038210A (en) * | 2020-03-25 | 2020-04-10 | 인피니티에너지주식회사 | Solar module panel cleaning apparatus |
| CN112290875A (en) * | 2020-09-28 | 2021-01-29 | 合肥庭鸾能源有限公司 | Solar cell panel cleaning system and cleaning control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102186745B1 (en) | 2020-05-15 | 2020-12-04 | 이동현 | Apparatus for Maintaining Solar Panel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100982263B1 (en) * | 2007-12-28 | 2010-09-14 | 이찬재 | A solar photovoltaic cleaning and cooling system |
| KR100982953B1 (en) * | 2008-05-02 | 2010-09-17 | 유흥수 | Control system of the maintenance facility for the solar photovoltaic power |
| KR101041096B1 (en) * | 2011-03-07 | 2011-06-13 | 지투파워 (주) | Photovoltaic power generation system |
| KR101032489B1 (en) * | 2011-03-08 | 2011-04-29 | 파워에너텍 주식회사 | Solar power monitoring system |
-
2011
- 2011-12-26 KR KR1020110142857A patent/KR101387103B1/en active IP Right Grant
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150062740A (en) | 2013-11-29 | 2015-06-08 | 주식회사 대양이엔씨 | Apparatus and method for maintaining a solar photovoltaic power generation |
| KR20150076474A (en) | 2013-12-27 | 2015-07-07 | 주식회사 대양이엔씨 | System for forcasting cleaning time of a solar photovoltaic power generation |
| KR20200038210A (en) * | 2020-03-25 | 2020-04-10 | 인피니티에너지주식회사 | Solar module panel cleaning apparatus |
| CN112290875A (en) * | 2020-09-28 | 2021-01-29 | 合肥庭鸾能源有限公司 | Solar cell panel cleaning system and cleaning control method |
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| Publication number | Publication date |
|---|---|
| KR101387103B1 (en) | 2014-04-24 |
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