CN106656039A - Photovoltaic assembly surface cleanliness evaluation device - Google Patents
Photovoltaic assembly surface cleanliness evaluation device Download PDFInfo
- Publication number
- CN106656039A CN106656039A CN201611012314.9A CN201611012314A CN106656039A CN 106656039 A CN106656039 A CN 106656039A CN 201611012314 A CN201611012314 A CN 201611012314A CN 106656039 A CN106656039 A CN 106656039A
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- CN
- China
- Prior art keywords
- photovoltaic
- sensor
- data processor
- photovoltaic assembly
- photovoltaic module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000011156 evaluation Methods 0.000 title abstract description 5
- 230000003749 cleanliness Effects 0.000 title abstract 4
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000007613 environmental effect Effects 0.000 claims abstract 4
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 210000003850 cellular structure Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention relates to a photovoltaic assembly surface cleanliness evaluation device. The photovoltaic assembly surface cleanliness evaluation device is characterized in that the device comprises a photovoltaic mounting support (1); the photovoltaic mounting support (1) is provided with a temperature sensor (2), a voltage sensor (3) and a current sensor (4) which are corresponding to a photovoltaic assembly; the temperature sensor (2), the voltage sensor (3) and the current sensor (4) are connected with a photovoltaic data processor (5); the photovoltaic data processor (5) is connected with an environmental monitor (6); the photovoltaic data processor (5) is connected with a switch (7); the switch (7) is connected with an operation and maintenance management center (8); and a power source device (9) provides a power source for the photovoltaic data processor (5) and the environmental monitor (6). According to the photovoltaic assembly surface cleanliness evaluation device of the invention, high-precision sensor technologies are adopted to monitor information such as the real-time voltage, current and temperature of the photovoltaic assembly and environment and meteorology of a power station; the actual output power of the photovoltaic assembly and the ideal output power of the photovoltaic assembly are compared with each other; the data processor performs intelligent processing and analysis; and the real-time cleaning situation of the photovoltaic assembly can be fed back to the operation and maintenance management center of a user terminal.
Description
Technical field
The invention belongs to technical field of photovoltaic power generation equipment, is exactly specifically to be related to a kind of photovoltaic module surface cleanness to comment
Estimate device.
Background technology
The generated energy of photovoltaic cell component is relevant with the near infrared amount of radiation of the sun for receiving, and amount of radiation is bigger, generates electricity
Amount is bigger, therefore the light transmittance on photovoltaic cell component surface is just particularly important, and there are some researches show, if per square has 4g dusts
Layer will reduce by about 40% amount of radiation.
Dust, birds droppings, greasy dirt etc. are covered in photovoltaic module surface, have blocked the illumination of major part, and photovoltaic plant is sent out
Electrical efficiency has large effect.For example, north drought area, dust storm is more, does not such as take and effectively cleans, photovoltaic electric
The decrease in power generation efficiency stood is up to more than 50%, has a strong impact on the value of photovoltaic plant.Therefore, it is necessary to photovoltaic module
Cleannes be monitored assessment, give the operation maintenance personnel feedback real-time clean-up performance of photovoltaic module, operation maintenance personnel will be according to reality
Situation arranges unit clean work.
At present, for the cleannes evaluation problem on photovoltaic module surface, the basic vision by people goes subjective judgement, it is impossible to comment
Influence degree of the attachment on the photovoltaic module such as valency dust, birds droppings, greasy dirt surface to photovoltaic power station power generation efficiency, also cannot be reasonable
Ground arranges photovoltaic module cleaning.The income brought that generates electricity in view of cleaning cost and raising is compared, and arranges cleannes
Grade, user can arrange the cleannes critical point conduct of an optimum according to photovoltaic plant location feature and actual demand
O＆M demand alerts point.
The content of the invention
The purpose of the present invention is for during existing photovoltaic plant operation maintenance, it is impossible to effectively evaluate photovoltaic module table
A kind of technical barrier of the clean-up performance in face, it is proposed that photovoltaic module surface cleanness apparatus for evaluating, not only instead of inspection light
The manpower of volt component, saves the cost of photovoltaic plant operation maintenance, and using high-precision sensor technology, to photovoltaic group
The information such as the real-time voltage of part, electric current, temperature and power station environment weather are monitored, and compare the real output of photovoltaic module
And ideal output power, the data processor processes and analysis by intelligence, to user terminal operation management center feedback in real time
Photovoltaic module cleaning situation.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention devises a kind of photovoltaic module surface cleanness apparatus for evaluating, and it is special
Levy and be：It includes photovoltaic mounting bracket, and photovoltaic module corresponding position is provided with temperature sensor, voltage and passes in photovoltaic mounting bracket
Sensor and current sensor, temperature sensor, voltage sensor and current sensor are connected respectively with photovoltaic data processor,
The photovoltaic data processor is also associated with environment monitor, and photovoltaic data processor is connected with switch, switch and O＆M
Administrative center connects, and supply unit provides power supply to photovoltaic data processor and environment monitor.
Further, the photovoltaic data processor, switch and supply unit are mounted in photovoltaic data processing case, the light
Voltage is fixed in photovoltaic mounting bracket according to treatment box.
Further, the environment monitor is mounted on bracing frame.
Further, the environment monitor includes optical sensor, wind speed wind direction sensor, environment temperature sensor and wet
Degree sensor, the optical sensor, wind speed wind direction sensor, environment temperature sensor and humidity sensor are connected respectively to light
Volt data processor.
Beneficial effect
A kind of photovoltaic module surface cleanness apparatus for evaluating that the present invention is provided, not only instead of the people for checking photovoltaic module
Power, saves the cost of photovoltaic plant operation maintenance, and using high-precision sensor technology, the real-time electricity to photovoltaic module
The information such as pressure, electric current, temperature and power station environment weather are monitored, and compare the real output of photovoltaic module and preferable output
Power, the data processor processes and analysis by intelligence, to user terminal operation management center real-time photovoltaic module is fed back
Cleaning situation.
Description of the drawings
The structural representation of the embodiment of the present invention of accompanying drawing 1.
Accompanying drawing 2 is the control principle drawing of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is elaborated.
Embodiment
As shown in figure 1 and 2, a kind of photovoltaic module surface cleanness apparatus for evaluating, it is characterised in that：It includes light volt-ampere
Dress support 1, photovoltaic module corresponding position is provided with temperature sensor 2, voltage sensor 3 and current sense in photovoltaic mounting bracket 1
Device 4, temperature sensor 2, voltage sensor 3 and current sensor 4 are connected respectively with photovoltaic data processor 5, the photovoltaic
Data processor 5 is also associated with environment monitor 6, and photovoltaic data processor 5 is connected with switch 7, switch 7 and operation management
Center 8 connects, and supply unit 9 provides power supply to photovoltaic data processor 5 and environment monitor 6.
The photovoltaic data processor 5, switch 7 and supply unit 9 are mounted in photovoltaic data processing case 10, the photovoltaic
Data processing case 10 is fixed in photovoltaic mounting bracket 1.
The environment monitor 6 is mounted on bracing frame 11.
The environment monitor 6 includes optical sensor, wind speed wind direction sensor, environment temperature sensor and humidity sensor
Device, the optical sensor, wind speed wind direction sensor, environment temperature sensor and humidity sensor are connected respectively to photovoltaic data
Processor.
The present invention adopts intelligent photovoltaic Operational Data Analysis treatment technology, operating voltage, electric current according to photovoltaic module and
Temperature, calculates real output, the intensity of illumination that detects further according to environment monitor, wind speed and direction, environment temperature, wet
Degree etc., calculates the preferable power output of photovoltaic module.Photovoltaic module real output is compared with ideal output power,
Be modified according to various factor to affect, contributive rate of the photovoltaic module surface smut to power output can be calculated, so as to
Family terminal operation management center sends real time information, used as reliable basis of the user to photovoltaic plant O＆M.Its photovoltaic module table
The control principle drawing of face cleannes apparatus for evaluating is as shown in Figure 2.Switching Power Supply is by wire to photovoltaic data processor and environment
Monitor is powered, and power supply voltage level is DC12V.Photovoltaic data processor as master control system, what environment monitor was collected
The information such as intensity of illumination, wind speed and direction, environment temperature and humidity are sent to photovoltaic data processing by RS485 Shielded Twisted Pairs
Device, voltage, electric current and the temperature information that the voltage sensor of photovoltaic module, current sensor and temperature sensor are collected passes through
RS485 Shielded Twisted Pairs are sent to photovoltaic data processor.Data are carried out united analysis and process, Jing by photovoltaic data processor
Sent to user terminal operation management center by single-mode fiber after switch conversion.The present embodiment realizes photovoltaic module surface
The intelligent detecting function of cleannes, user can remotely monitor the cleannes of photovoltaic components in photovoltaic plant.
Structure, ratio, size depicted in the present embodiment institute accompanying drawings etc., only to coordinate in disclosed in specification
Hold, so that those skilled in the art understands and reads, be not limited to enforceable qualifications of the invention, therefore do not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced the present invention is not affected
Under raw effect and the purpose to be reached, all should still fall in the range of disclosed technology contents are obtained and can covered.
Meanwhile, in this specification it is cited such as " on ", D score, "left", "right", " centre ", " clockwise ", the use of " counterclockwise "
Language, is merely convenient to understanding for narration, and is not used to limit enforceable scope of the invention, the change of its relativeness or tune
It is whole, under without essence change technology contents, when being also considered as enforceable category of the invention.
Claims (4)
1. a kind of photovoltaic module surface cleanness apparatus for evaluating, it is characterised in that：It includes photovoltaic mounting bracket (1), light volt-ampere
Photovoltaic module corresponding position is provided with temperature sensor (2), voltage sensor (3) and current sensor (4) on dress support (1), temperature
Degree sensor (2), voltage sensor (3) and current sensor (4) are connected respectively with photovoltaic data processor (5), the light
Volt data processor (5) is also associated with environment monitor (6), and photovoltaic data processor (5) is connected with switch (7), switch
(7) it is connected with operation management center (8), supply unit (9) provides electricity to photovoltaic data processor (5) and environment monitor (6)
Source.
2. a kind of photovoltaic module surface cleanness apparatus for evaluating as claimed in claim 1, it is characterised in that：The photovoltaic data
Processor (5), switch (7) and supply unit (9) are mounted in photovoltaic data processing case (10), the photovoltaic data processing case
(10) it is fixed in photovoltaic mounting bracket (1).
3. a kind of photovoltaic module surface cleanness apparatus for evaluating as claimed in claim 1, it is characterised in that：The environmental monitoring
Instrument (6) is mounted on bracing frame (11).
4. a kind of photovoltaic module surface cleanness apparatus for evaluating as claimed in claim 1, it is characterised in that：The environmental monitoring
Instrument (6) includes optical sensor, wind speed wind direction sensor, environment temperature sensor and humidity sensor, the optical sensor,
Wind speed wind direction sensor, environment temperature sensor and humidity sensor are connected respectively to photovoltaic data processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012314.9A CN106656039A (en) | 2016-11-17 | 2016-11-17 | Photovoltaic assembly surface cleanliness evaluation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012314.9A CN106656039A (en) | 2016-11-17 | 2016-11-17 | Photovoltaic assembly surface cleanliness evaluation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106656039A true CN106656039A (en) | 2017-05-10 |
Family
ID=58807697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611012314.9A Pending CN106656039A (en) | 2016-11-17 | 2016-11-17 | Photovoltaic assembly surface cleanliness evaluation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106656039A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276079A (en) * | 2017-06-28 | 2017-10-20 | 北京奥新源科技股份有限公司 | A kind of intelligent cleaning assessment system |
| CN110190810A (en) * | 2019-06-04 | 2019-08-30 | 西安工程大学 | The measurement method and application configuration modification method that filth causes photo-voltaic power supply power to lose |
| CN110806524A (en) * | 2019-11-19 | 2020-02-18 | 苏州协鑫新能源运营科技有限公司 | Method and system for judging faults and power generation conditions of photovoltaic power station |
| CN116388664A (en) * | 2023-03-17 | 2023-07-04 | 江苏华信新能源管理有限公司 | Dedusting method, device, equipment and storage medium for photovoltaic equipment |
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| CN103840742A (en) * | 2014-03-04 | 2014-06-04 | 常州恒大光伏科技有限公司 | Intelligent management method and system for photovoltaic module |
| CN104722511A (en) * | 2015-03-24 | 2015-06-24 | 福建师范大学 | Quantity monitoring and cleaning method for dust on surface of solar cell panel |
| US20160099570A1 (en) * | 2014-10-06 | 2016-04-07 | Stephens Sin-Tsun The' | Compact Omnidirectional Modular Power Harvesting System |
| CN106226357A (en) * | 2016-08-23 | 2016-12-14 | 河海大学常州校区 | A kind of photovoltaic module superficial dust detection device and method |
-
2016
- 2016-11-17 CN CN201611012314.9A patent/CN106656039A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840742A (en) * | 2014-03-04 | 2014-06-04 | 常州恒大光伏科技有限公司 | Intelligent management method and system for photovoltaic module |
| US20160099570A1 (en) * | 2014-10-06 | 2016-04-07 | Stephens Sin-Tsun The' | Compact Omnidirectional Modular Power Harvesting System |
| CN104722511A (en) * | 2015-03-24 | 2015-06-24 | 福建师范大学 | Quantity monitoring and cleaning method for dust on surface of solar cell panel |
| CN106226357A (en) * | 2016-08-23 | 2016-12-14 | 河海大学常州校区 | A kind of photovoltaic module superficial dust detection device and method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276079A (en) * | 2017-06-28 | 2017-10-20 | 北京奥新源科技股份有限公司 | A kind of intelligent cleaning assessment system |
| CN110190810A (en) * | 2019-06-04 | 2019-08-30 | 西安工程大学 | The measurement method and application configuration modification method that filth causes photo-voltaic power supply power to lose |
| CN110806524A (en) * | 2019-11-19 | 2020-02-18 | 苏州协鑫新能源运营科技有限公司 | Method and system for judging faults and power generation conditions of photovoltaic power station |
| CN110806524B (en) * | 2019-11-19 | 2021-11-23 | 苏州协鑫新能源运营科技有限公司 | Method and system for judging faults and power generation conditions of photovoltaic power station |
| CN116388664A (en) * | 2023-03-17 | 2023-07-04 | 江苏华信新能源管理有限公司 | Dedusting method, device, equipment and storage medium for photovoltaic equipment |
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Application publication date: 20170510 |
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