CN109660197A - A kind of Intelligent photovoltaic system - Google Patents
A kind of Intelligent photovoltaic system Download PDFInfo
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- CN109660197A CN109660197A CN201811510461.8A CN201811510461A CN109660197A CN 109660197 A CN109660197 A CN 109660197A CN 201811510461 A CN201811510461 A CN 201811510461A CN 109660197 A CN109660197 A CN 109660197A
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- Prior art keywords
- solar panel
- cleaning
- photovoltaic system
- intelligent photovoltaic
- arm
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- 238000004140 cleaning Methods 0.000 claims abstract description 81
- 238000012545 processing Methods 0.000 claims abstract description 17
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- 238000001514 detection method Methods 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
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- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
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- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 8
- 238000010248 power generation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 241001417527 Pempheridae Species 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
-
- 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
Abstract
The invention discloses a kind of Intelligent photovoltaic systems, including clean part, specifically include bracket, screw slide rails, cleaning arm group, driving structure, solar panel；The cleaning arm group includes cleaning arm and with swing arm, cleaning arm is placed in solar panel face to be cleaned, with swing arm on the nut seat that solar panel another side is perpendicularly fixed at screw slide rails and with cleaning arm magnetic attraction, driving structure connects and nut seat driven to move along screw slide rails length direction.The invention also discloses a kind of Intelligent photovoltaic systems, including clean part, specifically include bracket, cleaning module, driving structure, solar panel；The Intelligent photovoltaic system further includes Information Collecting & Processing part, specifically includes single-chip microcontroller, environmentally sensitive module, and environmentally sensitive module is used to detect the environmental parameter of battery surface, judges whether to need to clear up according to parameter value.The present invention can be achieved solar panel and clear up automatically, be not easy to scratch battery plate surface, energy consumption, cost do not influence cleaning efficiency under the premise of substantially reducing.
Description
Technical field
The present invention relates to photovoltaic battery panel intelligence system field, in particular to a kind of self diagnosis, automatically cleaning, data are returned automatically
The Intelligent photovoltaic system of biography.
Background technique
The generated energy of photovoltaic cell is only related with the intensity of illumination that solar panel itself can receive.Solar panel itself receives
Whether the intensity of illumination arrived also blocks closely bound up, trees building in addition to related with real-time sunlight intensity with battery plate surface
The shelters such as room are related with the addressing of photovoltaic plant, and other such as dust, rainwater, soil or birds droppings etc. shelters pair
It cannot all settle a dispute by the parties concerned themselves for existing photovoltaic system, need more manpower or material resources investment, periodically go to clear up.
Existing manner of cleaning up is broadly divided into manual cleaning, giant cleaning and robot cleaning.Manual cleaning is of relatively low cost,
But cannot be guaranteed cleaning clean level, and can due to employee maloperation and make solar panel skin breakage, seriously affect just
Often power generation；Giant cleaning is extremely serious to water resource waste, and can make solar panel skin breakage since hydraulic pressure is uneven,
Meanwhile giant and manpower cleaning have the limitation of geographic factor, for roof, the photovoltaic system on the ground such as window extension is difficult to clearly
Reason.It is more efficient that robot clears up opposite first two mode, convenient, but generates electricity user for individual, for small hydropower station etc.
Cost is excessively high.Now small-sized photovoltaic plant is mostly voluntarily to clear up or do not clear up, according to domestic and international authoritative institution researcher's
Statistics indicate that cleaning the promotion that solar panel can make its generating efficiency have 15-22%.Large and medium-sized photovoltaic plant is then more use
Above-mentioned several manner of cleaning up, but these types of manner of cleaning up cannot all clear up the shelter of battery plate surface, manpower mode in time
Mostly cleaning is mensal cleaning, and intelligent robot is mostly cleaning once a day, can not be accomplished according to the actual situation certainly
Row judges whether to need to clear up.
Acquiring and store the power generation parameter of photovoltaic system in real time is necessary, the data back function of current photovoltaic system
Can be attached on inverter more, this make cost originally lower inverter because additional data back function and significantly on
It rises, rises with it the construction cost of photovoltaic plant also with cost of electricity-generating.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology and deficiency, provides a kind of Intelligent photovoltaic system, this system
It can realize that solar panel is cleared up automatically by simple structure, be not easy to scratch battery plate surface, the premise that energy consumption, cost substantially reduce
Under do not influence cleaning efficiency.
The purpose of the present invention is realized by the following technical solution: a kind of Intelligent photovoltaic system, including cleans part, specifically
Including bracket, screw slide rails, cleaning arm group, driving structure, solar panel；Solar panel is placed on bracket, and screw slide rails are placed in branch
It is between frame and solar panel and parallel with solar panel length direction；
The cleaning arm group includes cleaning arm and with swing arm, and cleaning arm is placed in solar panel face to be cleaned, and band swing arm is in electricity
Pond plate another side be perpendicularly fixed on the nut seat of screw slide rails and with cleaning arm magnetic attraction, driving structure connects and drives spiral shell
Base is moved along screw slide rails length direction；
The bracket includes passing through support for raising one of solar panel or more support rod on supporting frame and frame body
Solar panel is raised certain space by bar.
With the cleaning part split-phase ratio of mechanical arm configuration, magnetic drive cleaning part-structure is simple and reliable, is building foundation
It can be realized on existing photovoltaic battery panel by simple refit, cleaning method is not easy to scratch battery plate surface.
Preferably, the cleaning arm and in the fixed kicker magnet in both ends, cleaning arm and with swing arm interlude be gold with swing arm
Belong to material.The structure is compared with two entirety are all the structures of magnetic material, since magnetic part is few, so magnetic from each other
Gravitational attraction is small, just small with the pressure of swing arm and pulling force to the sum of solar panel, keeps the structure of whole system more firm, while only two
The magnetic force that magnet is added in end is also enough to realize the driving to cleaning arm.
Further, the cleaning arm is surrounded by soft material.
Preferably, the driving structure includes speed regulating motor, limit switch, and limit switch is mounted on battery board ends, when
Triggering driving structure drives nut seat counter motion when band swing arm touching limit switch, to realize the reciprocal shifting of cleaning arm group
Dynamic, movement speed can control within the scope of 0.5-10cm/s.
Preferably, affiliated Intelligent photovoltaic system further includes Information Collecting & Processing part, specifically includes single-chip microcontroller, environmentally sensitive
Module, environmentally sensitive module are used to detect the environmental parameter of battery surface, judge whether to need to clear up according to parameter value, Jin Ertong
It crosses single-chip microcontroller control driving structure to work and cleaning module is driven to clean solar panel, clears up and successfully then continue to sentence
Fixed, cleaning failure then returns error message.
A kind of Intelligent photovoltaic system, including part is cleaned, specifically include bracket, cleaning module, driving structure, solar panel；
Solar panel is placed on bracket, and driving structure is for connecting and cleaning module being driven to clean solar panel；
The Intelligent photovoltaic system further includes Information Collecting & Processing part, specifically includes single-chip microcontroller, environmentally sensitive module, ring
Border sensing module is used to detect the environmental parameter of battery surface, judges whether to need to clear up according to parameter value, and then pass through monolithic
Machine control driving structure works and cleaning module is driven to clean solar panel, clears up and successfully then continues to determine, clears up
Failure then returns error message.
Preferably, environmentally sensitive module includes more than one temperature sensor, and each sensor is mounted on solar panel difference
Part, while the solar panel surface temperature in respective region is measured, when any two parts temperature gap is greater than the set value, then judging need to
It clears up.
Further, Information Collecting & Processing part includes light intensity sensor, when intensity of illumination be lower than setting value, then will be warm
The temperature gap for spending sensor judgement reduces by 1 DEG C.
Preferably, environmentally sensitive module includes Raindrop sensor, and Raindrop sensor fixed frame is equipped on battery board bracket,
Raindrop sensor is fixed on fixed frame, and when rainfall is greater than the set value, solar panel cleans once automatically；When rainfall is lower than the value
When, then clear up once water stain to remove surface.
Preferably, the Information Collecting & Processing part further includes Hall current sensor, the electricity of detection current time output
Flow valuve compares with the generation current amount of conventional photovoltaic system and show that the generating efficiency of the system promotes degree.
Preferably, the Information Collecting & Processing part includes data back module, and data back module will be at information collection
The data that reason part detects are sent in server, and when Information Collecting & Processing partial fault, data back module is to monolithic
Machine sends instruction, and cleaning arm is made to return to the detection performance of initial position and temporary close faulty component.
Further, the Intelligent photovoltaic system will be in the power generation parameter passback of photovoltaic system by data back module
Server can combine since the data back of power generation parameter is identical with the data back principle of cleaning part into one
Step reduces cost.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1, the present invention can be realized solar panel and clear up automatically, pass through magnetic by the simple installation in conventional photovoltaic system
Property attract induced way, be not easy to cause the rupture of solar panel because of discontinuity.
2, the present invention by install additional limit switch, realize cleaning arm group reciprocating motion, improve sweeping efficiency, save at
This.
3, whether the present invention judges automatically by the environmental parameter of measurement battery surface and needs to clear up, and improves cleaning efficiency.
4, the present invention by the parameter acquisition of Information Collecting & Processing part and stores, in the power generation for not changing photovoltaic system
Passback and the visual analyzing of data are realized under the premise of parameter.
Detailed description of the invention
Fig. 1 is photovoltaic system top view of the present invention.
Fig. 2 present invention cleans partial side elevation view.
Fig. 3 is photovoltaic system band swing arm tracks schematic diagram of the present invention.
Fig. 4 is photovoltaic system embodiment information processing partial arithmetic logic chart of the present invention.
Wherein: 1-cleaning arm kicker magnet；2-nut seats；3-cleaning arm；4-solar panels；5-band swing arms；6-pedestals；
7-supporting frames；8-Raindrop sensors；9-light intensity sensors；10-speed regulating motors；11-screw slide rails；12-temperature pass
Sensor；13-band swing arm kicker magnets；14-limit switches；15-screw slide rails support bases；16-support rods；17-raindrop sensing
Device fixed frame.
Specific embodiment
For a better understanding of the technical solution of the present invention, the implementation that the present invention is described in detail provides with reference to the accompanying drawing
Example, embodiments of the present invention are not limited thereto.
Embodiment
A kind of Intelligent photovoltaic system, including clean part and Information Collecting & Processing part, clean part specifically include bracket,
Screw slide rails 11, cleaning arm group, driving structure, solar panel 4；Solar panel is placed on bracket, and screw slide rails are placed in bracket and electricity
It is between the plate of pond and parallel with solar panel length direction；
The cleaning arm group includes cleaning arm 3 and with swing arm 5, and cleaning arm is placed in solar panel face to be cleaned, and band swing arm exists
Solar panel another side be perpendicularly fixed on the nut seat 2 of screw slide rails and with cleaning arm magnetic attraction, as driving armband dynamic clear
The mode of clean arm movement, driving structure connect and nut seat are driven to move along screw slide rails length direction, be further driven to clean
Arm group is moved along screw slide rails length direction, this cleaning method is not easy due to discontinuity and to cause the rupture of solar panel, and
It compares and for intelligent robot, be that can be greatly reduced, while very big shadow will not be caused to cleaning efficiency in energy consumption, cost
It rings.
The bracket includes on supporting frame 7 and frame body for raising one of solar panel or more support rod 16.In order to
Preferably fixed screw slide rails, the present embodiment installs pedestal additional under screw slide rails and is fixed on supporting frame, with mechanical arm knot
The cleaning part split-phase ratio of structure, magnetic drive cleaning part-structure is simple and reliable, in the existing photovoltaic battery panel frame body for building foundation
On can be realized by simple refit.
The cleaning arm and with swing arm in the fixed kicker magnet in both ends, cleaning arm and electromagnetism interlude are aluminum strip, and aluminium
Item is hollow.The cleaning arm is surrounded by cloth, and cleaning method is not easy to scratch battery plate surface.
The driving structure includes speed regulating motor 10, limit switch 14, and limit switch is mounted on battery board ends, works as drive
Triggering driving structure drives nut seat counter motion when arm touches limit switch, to realize the reciprocating movement of cleaning arm group, clearly
The driving structure for sweeping part is driven using 12V-50W DC speed-regulating motor, and movement speed can be in 0.5-10cm/s range internal control
System.
The Information Collecting & Processing part specifically includes STM32F1 single-chip microcontroller, environmentally sensitive module, and environmentally sensitive module is used
In the environmental parameter of detection battery surface, judge whether to need to clear up according to parameter value, and then driving knot is controlled by single-chip microcontroller
Structure drives screw slide rails rotation, clears up and successfully then continues to determine, cleaning failure then returns error message, by common
The mechanical arm of similar vehicle wiper drives sweeper, also realizes to judge automatically whether need to clear up and control sweeper and transport automatically
Row.It is described below by taking the 1KW single crystal silicon battery plate of monolithic as an example.
The present embodiment installs 10 DS18B20 temperature sensors 12 additional and passes through single-chip microcontroller using K-type thermocouple as sensing element
The thermal voltage of thermocouple is read, solar panel actual temperature value, measured temperature value precision can be obtained after carrying out coefficient correction
It is 0.0625 DEG C.Each sensor is evenly distributed on the different location of panel backside, while measuring the solar panel table in respective region
Face temperature, when any two parts temperature gap is greater than the set value, then judgement needs to clear up.
The present embodiment installs GY-30 light intensity sensor 9 additional, using BH1750FVI chip, by built-in A/D converter by illumination
Strength simulation amount is converted to voltage value, and the illumination intensity value at current time can be obtained after progress coefficient correction, and precision is reachable
To 1 lux.When detecting that temperature lower than setting value (such as 1000lx), then judge 1 DEG C of difference reduction by intensity of illumination.Separately
Outside, because solar panel output electric current is directly proportional to light intensity, the proportional relation of the light intensity and electric current that can be detected by light intensity sensor is sentenced
Whether disconnected solar panel has pollution or damage, and when the abnormal reduction of solar panel output electric current, then system alert user checks battery
Plate.
The present embodiment installs list PCB Raindrop sensor 8 additional, is equipped with Raindrop sensor fixed frame 17, rain on battery board bracket
Drop sensor is fixed on fixed frame, and Raindrop sensor surface has a plurality of not connected resistance to place parallel, not according to water level
With different voltage values can be exported, by the voltage value of single-chip microcontroller reading output it can be concluded that the height of water level, obtains rainfall with this
Size.When rainfall is greater than the set value (voltage is greater than 1.8V), solar panel cleans once automatically；When rainfall is lower than the value,
It clears up again once water stain to remove surface.
The present embodiment installs Hall current sensor additional, using Hall effect measurement across the electric current of the conducting wire of sensor hole
Value.Conducting wire passes through the hole of sensor, and the magnetic field that electric current causes generates induced current in sensor internal, and sensor reads electricity
The voltage value of stream and the current value that current time output can be obtained after coefficient correction.It can be by the intelligent photovoltaic under same environment
System (including intelligence cleaning and data collection system) and conventional photovoltaic system (not including intelligence cleaning and data collection system)
Generation current amount compare the promotion degree for obtaining the system to generating efficiency.
In order to realize that data back, the present embodiment use ESP8266 module, unlatching STA mode is instructed (to be equivalent to by AT
Mobile device can send information), so that TLINK server is connected, the sequence that TLINK is provided when being then sent in creation equipment
Row number (such as 9FRY9V35E3U2A9G9) arrives TLINK server, then send consult with server Transmission Control Protocol (such as JNU:
25,55,52.#, " JNU: " be prefix, " .# " be suffix, ", " be separator, can self-setting, remaining for sensor acquire
The data arrived), it sends the data that various sensors detect in server, to realize the passback and visualization point of data
Analysis.It certainly, can also be by sending instruction to single-chip microcontroller to realize the control to single-chip microcontroller (such as if system jam
Send 1 or 0 switch etc. to control relay), so that cleaner is returned to the detection of initial position and temporary close faulty component
Function.
Comparative example: by normal monocrystalline silicon photovoltaic battery panel component (without any extra cell, 1KW in addition to current sensor)
It is placed on outdoor spacious unobstructedly band and carries out one-week real-time monitoring, measure and record real-time generation current.
Experimental example: Intelligent photovoltaic system component (1KW) is placed on outdoor position identical with comparative example and carries out by a definite date one
The real-time monitoring in week, all detection units of Intelligent photovoltaic system are worked at the same time, are not controlled by server,.To two groups of electricity
Pond plate generated energy is stored in real time by recording its generation current, acquires daily generated energy such as by carrying out integral to generation current
Under:
Table 1: the monolithic 100W single crystal silicon battery plate generated energy table of comparisons
Then the first seven day intelligence system generates electricity about 30kW.h altogether, and it is intelligence system that common batteries plate, which generates electricity about 27kW.h,
90%, and it is not difficult to find out the increase with number of days, the difference of generated energy is increasing.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of Intelligent photovoltaic system, which is characterized in that including cleaning part, specifically include bracket, screw slide rails, cleaning arm
Group, driving structure, solar panel；Solar panel is placed on bracket, and screw slide rails are placed between bracket and solar panel and and solar panel
Length direction is parallel；
The cleaning arm group includes cleaning arm and with swing arm, and cleaning arm is placed in solar panel face to be cleaned, and band swing arm is in solar panel
Another side be perpendicularly fixed on the nut seat of screw slide rails and with cleaning arm magnetic attraction, driving structure connects and drives nut seat
It is moved along screw slide rails length direction；
The bracket includes on supporting frame and frame body for raising one of solar panel or more support rod.
2. Intelligent photovoltaic system according to claim 1, which is characterized in that the cleaning arm and solid at both ends with swing arm
Determine kicker magnet, cleaning arm and be metal material with swing arm interlude；The cleaning arm is surrounded by soft material.
3. Intelligent photovoltaic system according to claim 1, which is characterized in that the driving structure includes speed regulating motor, limit
Bit switch, limit switch are mounted on battery board ends, and when band swing arm touching limit switch, triggering driving structure drives nut seat
Counter motion.
4. Intelligent photovoltaic system according to claim 1, which is characterized in that the Intelligent photovoltaic system further includes that information is adopted
Collection processing part, specifically includes single-chip microcontroller, environmentally sensitive module, and environmentally sensitive module is used to detect the environment ginseng of battery surface
Number, judges whether to need to clear up according to parameter value, and then controls driving structure by single-chip microcontroller and drive screw slide rails rotation, cleaning
Successful then continue to determine, cleaning failure then returns error message.
5. a kind of Intelligent photovoltaic system, which is characterized in that including cleaning part, specifically include bracket, cleaning module, driving knot
Structure, solar panel；Solar panel is placed on bracket, and driving structure is for connecting and cleaning module being driven to clean solar panel；
The Intelligent photovoltaic system further includes Information Collecting & Processing part, specifically includes single-chip microcontroller, environmentally sensitive module, and environment passes
Sense module is used to detect the environmental parameter of battery surface, judges whether to need to clear up according to parameter value, and then passes through single-chip microcontroller control
Driving structure processed works and cleaning module is driven to clean solar panel, clears up and successfully then continues to determine, cleaning failure
Then error message is returned.
6. Intelligent photovoltaic system according to claim 5, which is characterized in that environmentally sensitive module includes more than one temperature
Sensor is spent, each sensor is mounted on solar panel different piece, while measuring the solar panel surface temperature in respective region, when any
Two parts temperature gap is greater than the set value, then judgement needs to clear up.
7. Intelligent photovoltaic system according to claim 6, which is characterized in that Information Collecting & Processing part includes light intensity sensing
Device, when intensity of illumination is lower than setting value, then the temperature gap by temperature sensor judgement reduces by 1 DEG C.
8. Intelligent photovoltaic system according to claim 5, which is characterized in that environmentally sensitive module includes Raindrop sensor,
Raindrop sensor fixed frame is installed, Raindrop sensor is fixed on fixed frame, when rainfall is greater than the set value on battery board bracket
When, solar panel cleans once automatically；When rainfall is lower than the value, clear up again once water stain to remove surface.
9. Intelligent photovoltaic system according to claim 5, which is characterized in that the Information Collecting & Processing part further includes suddenly
That current sensor, the current value of detection current time output, compares with the generation current amount of conventional photovoltaic system and obtains
The generating efficiency of the system promotes degree.
10. Intelligent photovoltaic system according to claim 5, which is characterized in that the Information Collecting & Processing part includes number
According to passback module, data back module sends the data that Information Collecting & Processing part detects in server, when information is adopted
When collection processing partial fault, data back module sends to single-chip microcontroller and instructs, and cleaning arm is made to return to initial position and temporary close
The detection performance of faulty component.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811510461.8A CN109660197A (en) | 2018-12-11 | 2018-12-11 | A kind of Intelligent photovoltaic system |
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| CN201811510461.8A CN109660197A (en) | 2018-12-11 | 2018-12-11 | A kind of Intelligent photovoltaic system |
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| CN201811510461.8A Pending CN109660197A (en) | 2018-12-11 | 2018-12-11 | A kind of Intelligent photovoltaic system |
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| CN110572111A (en) * | 2019-08-29 | 2019-12-13 | 新昌县博衍智能科技有限公司 | Self-dedusting waterborne photovoltaic support |
| CN110572111B (en) * | 2019-08-29 | 2021-08-17 | 新昌县博衍智能科技有限公司 | Self-dedusting waterborne photovoltaic support |
| CN115382806A (en) * | 2022-08-04 | 2022-11-25 | 浙大宁波理工学院 | Photovoltaic panel cleaning device and roof type BIPV photovoltaic array cleaning method |
| CN115382806B (en) * | 2022-08-04 | 2024-03-29 | 浙大宁波理工学院 | Photovoltaic panel cleaning device and roof-type BIPV photovoltaic array cleaning method |
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Inventor after: Li Wenzhe Inventor after: Fan Jiandong Inventor after: Li Zirui Inventor after: Liu Qingyang Inventor after: Cui Haixia Inventor after: Zhang Haiqin Inventor after: Mai Yaohua Inventor after: Sheng Yeming Inventor before: Li Wenzhe Inventor before: Fan Jiandong Inventor before: Li Zirui Inventor before: Liu Qingyang Inventor before: Cui Haixia Inventor before: Zhang Haiqin Inventor before: Mai Yaohua |
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Application publication date: 20190419 |