CN112044832A - Maintenance method based on photovoltaic panel maintenance device - Google Patents
Maintenance method based on photovoltaic panel maintenance device Download PDFInfo
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- CN112044832A CN112044832A CN202010693876.4A CN202010693876A CN112044832A CN 112044832 A CN112044832 A CN 112044832A CN 202010693876 A CN202010693876 A CN 202010693876A CN 112044832 A CN112044832 A CN 112044832A
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- photovoltaic panel
- chain
- cleaning
- assembly
- maintenance
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- 238000012423 maintenance Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 142
- 238000004804 winding Methods 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 55
- 239000000463 material Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000010248 power generation Methods 0.000 abstract description 13
- 239000000428 dust Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 18
- 238000009434 installation Methods 0.000 description 16
- 239000003344 environmental pollutant Substances 0.000 description 13
- 231100000719 pollutant Toxicity 0.000 description 13
- 235000009537 plain noodles Nutrition 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000005030 aluminium foil Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
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- B08B1/12—
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- B08B1/32—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- 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
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- 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
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- 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 maintenance method based on a photovoltaic panel maintenance device, and belongs to the field of photovoltaic power generation equipment maintenance. Wherein, maintain photovoltaic panel device includes: photovoltaic panel installs the maintenance device in the photovoltaic panel outside, with the master control computer of maintaining the device electricity and connecting to and install the photosensitive sensor who maintains the device top, maintain the device and include: the photovoltaic panel cleaning device comprises chain and sprocket assemblies arranged on two sides of a photovoltaic panel, a cleaning assembly fixedly arranged on the chain and sprocket assemblies, and a winding drum assembly fixedly arranged at one end of the chain and sprocket assemblies, wherein the cleaning assembly is matched with the winding drum assembly, the cleaning assembly and the winding drum assembly are positioned on the outer side of the photovoltaic panel, and the cleaning assembly is matched with the photovoltaic panel; according to the photovoltaic panel cleaning and maintaining device, the photovoltaic panel is cleaned and maintained through the matching of the cleaning component and the winding drum component, and the cleaning component and the winding drum component are located on the outer side of the photovoltaic panel when the photovoltaic panel works, so that the normal work of the photovoltaic panel is guaranteed.
Description
This patent is the divisional application, and the information of former application is as follows, the name: a device and a method for maintaining a photovoltaic panel are disclosed in the application number: 2019108421213, filing date: 2019-09-06.
Technical Field
The invention relates to the field of maintenance of photovoltaic power generation equipment, in particular to a maintenance method based on a photovoltaic panel maintenance device.
Background
Solar power generation is used as a clean, safe and reliable new energy, the main principle is that according to the photovoltaic effect, the photovoltaic panel made of silicon materials is subjected to photoelectric conversion by utilizing the characteristic that electric energy is generated by irradiation of sunlight, the light receiving effect of the photovoltaic panel can be influenced under the condition that pollutants are contaminated on the surface of the photovoltaic panel to influence the power generation efficiency of the photovoltaic panel, and the pollutants on the surface of the photovoltaic panel are mainly pollutants formed by mixing dew and dust formed by temperature drop at night.
The existing technology for cleaning the photovoltaic panel is to arrange a cleaning device on the surface of the photovoltaic panel to clean the photovoltaic panel, and the technology can form shadows on the surface of the photovoltaic panel when the photovoltaic panel works in daytime, so that the power generation efficiency of the photovoltaic panel is influenced.
Therefore, it is necessary to provide a device which can clean and maintain the dust on the photovoltaic panel, and can ensure the power generation efficiency of the photovoltaic panel without affecting the normal operation of the photovoltaic panel.
Disclosure of Invention
The purpose of the invention is as follows: a maintenance method based on maintenance of a photovoltaic panel device is provided to solve the above problems in the prior art.
The technical scheme is as follows: the maintenance method based on the photovoltaic panel device comprises the following steps: photovoltaic panel installs the maintenance device in the photovoltaic panel outside, with the master control computer of maintaining the device electricity and connecting to and install the photosensitive sensor who maintains the device top, maintain the device and include: the photovoltaic module comprises chain and sprocket assemblies arranged on two sides of the photovoltaic panel, a cleaning assembly fixedly arranged on the chain and sprocket assemblies and a winding drum assembly fixedly arranged at one end of the chain and sprocket assemblies.
Wherein, be equipped with between clean subassembly and the chain sprocket subassembly with photovoltaic panel matched with interval, clean subassembly cooperatees with the reel subassembly, clean subassembly and reel subassembly are located the outside of photovoltaic panel, clean subassembly cooperatees with the photovoltaic panel, clean subassembly, chain sprocket subassembly and photosensitive sensor all are connected with the master control computer electricity.
In a further embodiment, the cleaning assembly and the chain and sprocket assembly are fixedly connected through a mounting plate, at least two pairs of mounting nodes on the chain and sprocket assembly are hinged with the mounting plate, and each pair of mounting nodes corresponds to each other.
Because the work of the chain and sprocket wheel assembly rotates around the sprocket wheel, in order to ensure the normal work of the chain and sprocket wheel assembly, the installation nodes are hinged, the work of the cleaning assembly and the shielding cloth needs to do curvilinear motion around the photovoltaic panel, and the work and the operation of the cleaning assembly and the shielding cloth are stable, so that the cleaning assembly and the chain and sprocket wheel assembly are connected through the installation plate, at least two installation nodes are arranged on the upper chain and the lower chain of the chain and sprocket wheel assembly, at least two pairs of installation nodes on the chain and sprocket wheel assembly are hinged with the installation plate, and each pair of installation nodes correspond to each other, and the work of the cleaning assembly and the shielding cloth can be stable under the condition that the normal work of the chain and sprocket wheel assembly is not influenced.
In a further embodiment, the cleaning assembly comprises a cleaning brush abutted against the light facing surface of the photovoltaic panel, an atomizer mounted above the cleaning brush, and dryers mounted on two sides of the cleaning brush, wherein the atomizer and the dryers are both electrically connected with a master control computer.
The cleaning brush, the atomizer and the dryer in the cleaning assembly can be controlled by the main control computer to clean and maintain the light facing surface of the photovoltaic panel.
In a further embodiment, the cleaning brush is a plurality of roller brushes, and the roller brushes are in rolling connection with the light facing surfaces of the photovoltaic panels.
Use the cylinder brush to carry out rolling friction as the cleaning brush on the sunny side of photovoltaic panel, can reduce the friction loss to the sunny side of photovoltaic panel, the pollutant in the city is mostly the dust moreover, so use the adsorption affinity of cylinder brush self to clean the dust.
In another embodiment, the cleaning brush is a plurality of disc brushes, the disc brushes are further rotatably connected with motors, the disc brushes are abutted against the sunny side of the photovoltaic panel, and the motors are electrically connected with the master control computer.
Use the disc brush as cleaning brush to drive the disc brush rotation with the motor and reach and carry out clear effect to the sunny side of photovoltaic panel, can apply the revolving force to the pollutant of the sunny side of photovoltaic panel and reach clear effect, compare in the adsorption affinity that relies on the cylinder brush and clean the dust of the sunny side of photovoltaic panel, the disc brush can be cleaned birds excrement and urine, more suitable birds more field usage can reach better clean effect.
In a further embodiment, the atomizer comprises a water tank installed outside the photovoltaic panel, and an atomizer communicated with the water tank, and the atomizer is installed above the cleaning brush.
In order to strengthen the cleaning effect of the cleaning brush on the photovoltaic panel, the atomizing spray head is installed above the cleaning brush, the cleaning brush and the photovoltaic panel are wetted and cleaned through the atomizing spray head, and the water tank is installed outside the photovoltaic panel in order to avoid reducing the weight of the cleaning assembly and avoiding the influence of the water tank on the luminous efficiency of the photovoltaic panel.
The desicator is including installing the air-blower in the photovoltaic panel outside to and the air outlet with the air-blower intercommunication, the both sides at the cleaning brush are installed to the air outlet, the air outlet is towards the cleaning brush, the air-blower is connected with the master control computer electricity.
Because clean although can strengthen clean effect through atomizer and cleaning brush to the smooth surface of photovoltaic panel, can leave water stain and expose in the air at the smooth surface of photovoltaic panel and adsorbed the dust for a long time and form the generating efficiency that the pollutant influences photovoltaic panel once more, so carry out drying process to water stain through main control computer control air-blower and air outlet.
And the air outlet can control the dust on the cleaning brush in the cleaning assembly towards the cleaning brush, and the dust can be prevented from flying out of the cleaning assembly and being incapable of being controlled and easily attached to the light facing surface of the photovoltaic panel to form pollutants to influence the power generation efficiency of the photovoltaic panel, so that the air outlet controls the cleaned dust in the cleaning assembly towards the cleaning brush.
In a further embodiment, the winding drum assembly comprises a material receiving drum in rotary connection with the chain and chain wheel assembly, and shielding cloth with one end in rotary connection with the material receiving drum, the other end of the shielding cloth is fixedly connected with the cleaning assembly, and the width and the length of the shielding cloth are both larger than those of the photovoltaic panel.
At night, under the condition of cloudy day or bad weather, do not need photovoltaic panel work, still need protect photovoltaic panel this moment, so cover through the width that width and length all are greater than photovoltaic panel and the cloth that shields of length and can protect photovoltaic panel on photovoltaic panel's the smooth surface, and make reel subassembly receive the feed cylinder and chain sprocket assembly rotate to be connected and can guarantee to shield cloth and follow clean subassembly and cover when photovoltaic panel's smooth surface on the receive feed cylinder can not exert the resistance to shielding cloth, shield cloth and can make to shield cloth winding reach when following the outside that clean subassembly got back to photovoltaic panel and pack up the effect that does not influence the normal work of photovoltaic panel on the receive feed cylinder.
In a further embodiment, a roller is further installed between the cleaning assembly and the winding drum assembly, the roller is in rolling connection with the shielding cloth, the roller is fixedly installed on the outer sides of the chain and chain wheel assembly and the photovoltaic panel, and the vertex height of the roller is matched with the light facing surface of the photovoltaic panel.
Because the shielding cloth is made of flexible materials, the problem that the shielding cloth, the photovoltaic panel and the chain wheel chain component are abraded due to the fact that the shielding cloth and the edge of the photovoltaic panel and the chain wheel chain component are rubbed easily occurs in the process that the cleaning component drives the shielding cloth to cover the light facing surface of the photovoltaic panel.
And in order to prevent the roller from generating shadow on the photovoltaic panel to influence the luminous efficiency of the photovoltaic panel, the vertex of the roller is arranged below the light-facing surface of the photovoltaic panel.
In a further embodiment, the maintenance method comprises: one end of the photovoltaic panel (1) provided with the material collecting barrel is an initial end, and the opposite end is the other end of the outer side of the photovoltaic panel (1); at daytime, the photosensitive sensor detects that the light intensity is higher than the preset value intensity, and the photovoltaic panel can normally work, and the maintenance device does not receive the pause work instruction of the main control computer again, and the chain and chain wheel assembly of the maintenance device drives the cleaning assembly to move to the initial end of the photovoltaic panel, and shields the cloth winding on the material receiving barrel, thereby ensuring the normal work of the photovoltaic panel.
At night or on cloudy days, the photosensitive sensor detects that the light intensity is lower than the preset intensity, when the photovoltaic panel cannot normally work, the maintenance device does not receive the continuous work instruction of the main control computer, the chain and chain wheel assembly of the maintenance device drives the cleaning assembly to pass through the light facing surface of the photovoltaic panel and move to the other end of the outer side of the photovoltaic panel, and the cleaning assembly is covered on the photovoltaic panel in a shielding manner to protect the photovoltaic panel.
When severe weather harms the safety of the photovoltaic panel in daytime, a worker sends an instruction for suspending the work of the photovoltaic panel to the maintenance device through the master control computer, and the chain and chain wheel component of the maintenance device drives the cleaning component to pass through the light facing surface of the photovoltaic panel and move to the other end of the outer side of the photovoltaic panel to shield the photovoltaic panel and protect the photovoltaic panel.
When the photovoltaic panel needs to be maintained at night, a worker sends an instruction of normal work of the photovoltaic panel to the maintenance device through the master control computer, the chain and chain wheel assembly of the maintenance device drives the cleaning assembly to work to the initial end of the photovoltaic panel, the shielding cloth is wound on the material collecting barrel, and the worker is guaranteed to normally maintain the photovoltaic panel.
Has the advantages that: the invention discloses a maintenance method based on a photovoltaic panel maintenance device, which can prevent a photovoltaic panel from being contaminated by dust and clean and maintain the dust, can not influence the normal work of the photovoltaic panel, and ensures the power generation efficiency of the photovoltaic panel; normally work at the photovoltaic panel, hide in the outside of photovoltaic panel when cleaning device does not use, solved prior art can form the shadow on the surface of photovoltaic panel when photovoltaic panel during daytime work, influence the generating efficiency's of photovoltaic panel problem.
When meetting night, special weather photovoltaic panel such as cloudy day and sleet hail can't normally be worked, surface to the plain noodles of photovoltaic panel is cleaned through clean subassembly, and shield photovoltaic panel's to the plain noodles surface through shielding cloth after clean, keep apart with outside air, dew and dust contact in the air when night and cloudy day have been avoided, reach clean effect of maintaining, shield photovoltaic panel's to the plain noodles surface through the isolation cloth when special weather such as sleet hail, keep apart with outside air, the effect of maintaining is protected to photovoltaic panel's to the plain noodles surface has been reached.
Drawings
Fig. 1 is a schematic structural view of a photovoltaic panel of the present invention when not in operation.
Fig. 2 is a schematic structural diagram of the photovoltaic panel of the present invention in operation.
Fig. 3 is a schematic view of the internal connection structure of the present invention.
Fig. 4 is a schematic view of the assembled structure of the present invention.
The reference numerals shown in fig. 1 to 4 are: photovoltaic panel 1, maintenance device 2, photosensor 3, master control computer 4, chain sprocket subassembly 21, cleaning assembly 22, reel subassembly 23, mounting panel 221, cleaning brush 222, desicator 223, atomizer 224, shield cloth 231, roller 232, first air outlet 2231, second air outlet 2232, air-blower 2233, first atomizer 2241, second atomizer 2242, water tank 2243.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
Through research and analysis of the applicant, most of the existing photovoltaic panels are cleaned manually, and one reason that the photovoltaic panels with cleaning mechanisms are not popularized yet is that the existing cleaning devices for the photovoltaic panels with cleaning functions are installed on the light-facing surfaces of the photovoltaic panels, and shadow can be formed on the surfaces of the photovoltaic panels during working of the photovoltaic panels in the daytime, so that the power generation efficiency of the photovoltaic panels is influenced.
The applicant finds that pollutants on the surface of the photovoltaic panel mainly come from pollutants formed by mixing dew and dust formed by temperature drop at night, so that the applicant utilizes the photovoltaic panel to clean the surface of the photovoltaic panel through the cleaning component when the photovoltaic panel does not work at night, cleans the photovoltaic panel once again before the photovoltaic panel starts to work so as to ensure the cleaning quality, and hides the cleaning component at the outer side of the photovoltaic panel after the photovoltaic panel starts to work, so that the normal work of the photovoltaic panel can not be influenced, and the power generation efficiency of the photovoltaic panel is ensured.
The maintenance photovoltaic panel device includes: photovoltaic panel 1, maintenance device 2, photosensitive sensor 3, master control computer 4, chain sprocket subassembly 21, cleaning component 22, reel subassembly 23, mounting panel 221, cleaning brush 222, desicator 223, atomizer 224, shielding cloth 231.
Wherein, maintain device 2 and install in the outside of photovoltaic panel 1, maintain device 2 and include chain sprocket assembly 21, clean subassembly 22 and reel subassembly 23, chain sprocket assembly 21 includes the motor, with the motor rotate four sprockets of being connected to and with the sprocket rotate two chains of being connected, each chain is the both sides in the outside of photovoltaic panel 1 with two sprockets for a set of chain sprocket assembly 21.
In the embodiment shown in fig. 1, 2, 3 and 4, the cleaning assembly 22 comprises: cleaning frame, cleaning brush 222, atomizer 224 and desicator 223, cleaning brush 222 installs the bottom intermediate position at cleaning frame, atomizer 224 installs the upper end both sides at cleaning frame, moisten photovoltaic panel 1 and cleaning brush 222 and reach the effect of strengthening the cleaning quality, desicator 223 installs the bottom both sides at cleaning frame, be located cleaning brush 222's both sides, dry photovoltaic panel 1 after the cleaning, avoid photovoltaic panel 1 to remain water liquid and mix with the dust in the air again and form secondary pollution.
The reel subassembly 23 is installed in the one end of the chain sprocket subassembly 21 of photovoltaic panel 1 outside, rotate with chain sprocket subassembly 21 and be connected, and cooperate with clean subassembly 22, reel subassembly 23 includes the material collecting barrel of rotating with chain sprocket subassembly 21 and being connected, and one end rotates with the material collecting barrel and is connected, the shielding cloth 231 of the clean frame fixed connection of the other end and clean subassembly 22, and the width and the length of shielding cloth 231 all are greater than the width and the length of photovoltaic panel 1, wherein, in order to reach good exhibition effect, so shield cloth 231 and comprise the aluminium foil cloth that aluminium foil electric conduction cloth and thermosol constitute, the aluminium foil surface after having the complex is smooth and level, the light reflectivity is high, it is big to indulge horizontal tensile strength, it is ventilative, waterproof, sealing performance is good. The photovoltaic panel has the characteristics of high shading rate, strong toughness of materials, low price and the like, and the characteristics of the flexible materials can provide protection for the photovoltaic panel 1 under the condition of not damaging the photovoltaic panel 1. At night, under the condition of cloudy day or bad weather, do not need photovoltaic panel 1 work, still need protect photovoltaic panel 1 this moment, so cover through width and the shielding cloth 231 that length all is greater than photovoltaic panel 1's width and length and can protect photovoltaic panel 1 on photovoltaic panel 1's the plain noodles, and make reel subassembly 23's material collecting barrel rotate with chain sprocket assembly 21 and be connected and can guarantee to cover cloth 231 and cover when following clean subassembly 22 and cover on photovoltaic panel 1's the plain noodles, the material collecting barrel can not exert the resistance to shielding cloth 231, cover cloth 231 and can make shielding cloth 231 twine and reach the effect of packing up and not influencing photovoltaic panel 1 normal work on the material collecting barrel when following clean subassembly 22 and getting back to photovoltaic panel 1's the outside.
Still install photosensitive sensor 3 on the top of maintaining device 2, because at night, under the condition of cloudy day or bad weather, do not need photovoltaic panel 1 during operation, protect photovoltaic panel 1 through shielding cloth 231, even arrived the environment that has satisfied photovoltaic panel 1 work, photovoltaic panel 1 also can't normally work, so need install photosensitive sensor 3 on the top of maintaining device 2, whether the operating requirement of photovoltaic panel 1 is satisfied to the illumination intensity that uses photosensitive sensor 3 response environment, make when satisfying photovoltaic panel 1's operating requirement shield cloth 231 retrieve into reel subassembly 23, guarantee photovoltaic panel 1's normal work.
Whether normal work that satisfies photovoltaic panel 1 through photosensitive sensor 3 only can detect illumination intensity, and can't obtain detecting in bad weather such as sleet hail, so still install main control computer 4 to make cleaning assembly 22, chain sprocket subassembly 21, photosensitive sensor 3 and the atomizer and the desicator 223 in the cleaning assembly 22 in the maintenance device 2 all be connected with main control computer 4 electricity.
The assembly process comprises the steps of firstly, fixedly connecting two ends of a cleaning component 22 with a chain and chain wheel component 21 by using screws, then, connecting a winding drum component 23 with the chain and chain wheel component 21 in a rotating mode by using a key, fixedly connecting the cleaning component 22 with a shielding cloth 231 by using screws, thus finishing the assembly of the maintenance device 2, then, fixedly installing the photovoltaic panel 1 on the ground by using expansion screws so that the photovoltaic panel 1 works normally, then, installing the chain and chain wheel component 21 on two sides of the outer side of the photovoltaic panel 1 by using screws, and when installing the cleaning component 22, paying attention to the fact that a space matched with the photovoltaic panel 1 is reserved between the cleaning component 22 and the chain and chain wheel component 21, the winding drum component 23 and the chain and chain wheel component 21 are both positioned on the outer side of the photovoltaic panel 1, and then, enabling the cleaning component 22 to be positioned on the outer side of the, or the cleaning component 22 is required to be positioned at one end of the outer side of the photovoltaic panel 1 far away from the winding drum component 23, then the photosensitive sensor 3 is installed at the top end of the maintenance device 2 by using screws, and finally the cleaning component 22, the chain and sprocket component 21 and the photosensitive sensor 3 are electrically connected with the main control computer 4 by using conducting wires.
The working principle is as follows: photovoltaic panel 1 is provided with the one end of receiving the feed cylinder and is the initial end, the looks remote site is the outside other end of photovoltaic panel (1), daytime, photosensitive sensor 3 detects that the light intensity is higher than predetermined value intensity, photovoltaic panel 1 can normally be worked, maintain device 2 and not receive master control computer 4's pause work order again, the one end in the outside that maintains device 2 this moment drives cleaning element 22 and removes to photovoltaic panel 1 is shielded to chain sprocket component 21, shield cloth 231 winding on receiving the feed cylinder, guarantee photovoltaic panel 1's normal work.
At night or on cloudy days, the photosensitive sensor 3 detects that the light intensity is lower than the preset intensity, when the photovoltaic panel 1 cannot normally work, the maintenance device 2 does not receive the continuous work instruction of the main control computer 4, the chain and chain wheel assembly 21 of the maintenance device 2 drives the cleaning assembly 22 to pass through the light facing surface of the photovoltaic panel 1 and move to the other end of the outer side of the photovoltaic panel 1, and the shielding cloth 231 covers the photovoltaic panel 1 to protect the photovoltaic panel 1.
When severe weather harms the safety of the photovoltaic panel 1 in the daytime, a worker sends an instruction for suspending the work of the photovoltaic panel 1 to the maintenance device 2 through the main control computer 4, the chain and chain wheel assembly 21 of the maintenance device 2 drives the cleaning assembly 22 to pass through the light facing surface of the photovoltaic panel 1 and move to the other end of the outer side of the photovoltaic panel 1, and the shielding cloth 231 covers the photovoltaic panel 1 to protect the photovoltaic panel 1.
When needing to maintain photovoltaic panel 1 at night, the staff sends the instruction that photovoltaic panel 1 normally worked to maintaining device 2 through main control computer 4, and the chain sprocket subassembly 21 of maintaining device 2 drives the one end in clean subassembly 22 work to photovoltaic panel 1's the outside, shields cloth 231 winding on receiving the feed cylinder, guarantees that the staff normally maintains photovoltaic panel 1.
The cleaning assembly 22 is accommodated outside the photovoltaic panel 1 without affecting the operation of the photovoltaic panel 1, and the principle that the normal operation of the photovoltaic panel 1 is not affected is that as shown in fig. 1 and fig. 2, the cleaning assembly 22 moves in a circular motion to a position below the plane of the light-facing surface of the photovoltaic panel 1 by using the circular structure of the chain wheel, so that the problem that the cleaning assembly 22 forms a shadow on the surface of the photovoltaic panel 1 when the photovoltaic panel 1 operates in the daytime is solved, and the power generation efficiency of the photovoltaic panel 1 is ensured.
In a further embodiment, since the chain and sprocket assembly 21 rotates around the sprocket, the installation nodes are hinged to ensure the normal operation of the chain and sprocket assembly 21, and the cleaning assembly 22 and the shielding cloth 231 need to move in a curve around the photovoltaic panel 1 to follow the chain, so as to ensure the smooth operation of the cleaning assembly 22 and the shielding cloth 231, the cleaning assembly 22 and the chain and sprocket assembly 21 are fixedly connected by the installation plate 221, at least two pairs of installation nodes on the chain and sprocket assembly 21 are hinged to the installation plate 221 by the pin shaft, each pair of installation nodes corresponds to each other, the cleaning assembly 22 and the chain and sprocket assembly 21 are connected by the installation plate 221, and at least two installation nodes are arranged on the upper and lower chains of the chain and sprocket assembly 21, that is, at least two pairs of installation nodes on the chain and sprocket assembly 21 are hinged to the installation plate 221, and each pair of installation nodes are corresponding to each other, so that the cleaning assembly 22 and the shielding cloth 231 can work stably under the condition of not influencing the normal work of the chain and sprocket assembly 21.
In the embodiment shown in fig. 3, the atomizer 224 includes a water tank 2243 installed outside the photovoltaic panel 1, and an atomizer head communicated with the water tank 2243, and the atomizer head is installed above the cleaning brush 222, in order to enhance the cleaning effect of the cleaning brush 222 on the photovoltaic panel 1, the atomizer head is installed above the cleaning brush 222, the cleaning brush 222 and the photovoltaic panel 1 are wet-cleaned by the atomizer head, and the water tank 2243 is installed outside the photovoltaic panel 1 in order to avoid reducing the weight of the cleaning assembly 22 and avoiding the water tank 2243 from affecting the luminous efficiency of the photovoltaic panel 1.
The dryer 223 includes the air blower 2233 installed outside the photovoltaic panel 1, and the air outlet communicated with the air blower 2233, the air outlet is installed on both sides of the cleaning brush 222, and the air outlet faces the cleaning brush 222, the air blower 2233 is electrically connected with the main control computer 4, because the cleaning of the light facing surface of the photovoltaic panel 1 by the atomizer and the cleaning brush 222 can enhance the cleaning effect, but water stains can be left on the light facing surface of the photovoltaic panel 1 and exposed in the air for a long time, dust is easily adsorbed to form pollutants again to affect the power generation efficiency of the photovoltaic panel 1, so the air blower 2233 and the air outlet are controlled by the main control computer 4 to dry the water stains.
Moreover, the air outlet facing the cleaning brush 222 can control the dust on the cleaning brush 222 in the cleaning assembly 22, and can prevent the dust from flying out of the cleaning assembly 22, being uncontrollable and easily attached to the light facing surface of the photovoltaic panel 1 to form pollutants, and affecting the power generation efficiency of the photovoltaic panel 1, so that the air outlet facing the cleaning brush 222 can control the cleaned dust in the cleaning assembly 22.
Two atomizing nozzles 2241 and two second atomizing nozzles 2242 are arranged in the atomizing nozzle shown in fig. 3, respectively, two air outlets are arranged in the atomizing nozzle 2241 and the second air outlet 2232, respectively, as shown in fig. 1, 2, 3 and 4, the cleaning component 22 is displaced to the left, when the photovoltaic panel 1 is cleaned and shielded, the first atomizing nozzle 2241 and the second air outlet 2232 work, the first atomizing nozzle 2241 wets the cleaning brush 222 in the front of the displacement direction, and the second air outlet 2232 performs drying work in the back of the displacement direction; cleaning assembly 22 shifts to the right, carries out clean preparation start-up during operation to photovoltaic panel 1, and second atomizer 2242 and first air outlet 2231 work, and second atomizer 2242 is at the preceding moist cleaning brush 222 of displacement direction, and dry work is carried out at the back of displacement direction at first air outlet 2231, has guaranteed no matter cleaning assembly 22 is from left right work, and still work from right left can make photovoltaic panel 1 be in clean dry operational environment.
In the embodiment shown in fig. 1, 2 and 3, the cleaning brush 222 is a plurality of roller brushes, the roller brushes are connected with the light-facing surface of the photovoltaic panel 1 in a rolling manner, the roller brushes are used as the cleaning brush 222 to perform rolling friction on the sun-facing surface of the photovoltaic panel 1, so that the friction loss on the sun-facing surface of the photovoltaic panel 1 can be reduced, and most pollutants in the city are dust, so that the dust can be cleaned by using the self-adsorption force of the roller brushes.
In another embodiment, cleaning brush 222 is a plurality of disc brushes, it is connected with the motor still to rotate on the disc brush, and the disc brush and the sunny side butt of photovoltaic panel 1, the motor is connected with main control computer 4 electricity, use the disc brush as cleaning brush 222, and drive the rotatory effect that reaches the sunny side to photovoltaic panel 1 with the motor, can apply the revolving force to the pollutant of the sunny side of photovoltaic panel 1 and reach clear effect, compare in the dust of the sunny side of relying on roller brush adsorption affinity to photovoltaic panel 1 clean, the disc brush can clean birds excrement and urine, more be fit for the more field usage of birds, can reach better clean effect.
In the embodiment shown in fig. 1, 2 and 4, a roller 232 is further installed between the cleaning assembly 22 and the reel assembly 23, and the roller 232 is in rolling connection with the shielding cloth 231, the roller 232 is fixedly installed at the outer sides of the chain and sprocket assembly 21 and the photovoltaic panel 1, the vertex height of the roller 232 is matched with the light facing surface of the photovoltaic panel 1, because the shielding cloth 231 is made of flexible material, the problem that the shielding cloth 231 rubs against the edge of the photovoltaic panel 1 and the sprocket and chain assembly to cause abrasion of the shielding cloth 231, the photovoltaic panel 1 and the sprocket and chain assembly is easily caused in the process that the cleaning assembly 22 drives the shielding cloth 231 to cover the light facing surface of the photovoltaic panel 1, and in order to prevent the roller 232 from generating shadow on the photovoltaic panel 1 to affect the luminous efficiency of the photovoltaic panel 1, the vertex of the roller 232 is made to be under the light facing surface of the.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (7)
1. A maintenance method based on a photovoltaic panel maintenance device is characterized by comprising the following steps: maintain photovoltaic panel device, this maintain photovoltaic panel device include photovoltaic panel (1), install maintenance device (2) in the photovoltaic panel (1) outside, with maintain master control computer (4) that device (2) electricity is connected to and install photosensitive sensor (3) on maintaining device (2) top, maintain device (2) and include: the photovoltaic panel cleaning device comprises chain and chain wheel assemblies (21) arranged on two sides of a photovoltaic panel (1), a cleaning assembly (22) fixedly arranged on the chain and chain wheel assemblies (21), and a winding drum assembly (23) fixedly arranged at one end of each chain and chain wheel assembly (21);
a space matched with the photovoltaic panel (1) is arranged between the cleaning component (22) and the chain and chain wheel component (21), the cleaning component (22) is matched with the winding drum component (23), the cleaning component (22) is matched with the photovoltaic panel (1), and the cleaning component (22), the chain and chain wheel component (21) and the photosensitive sensor (3) are all electrically connected with the master control computer (4);
chain and chain wheel assemblies (21) on two sides of the photovoltaic panel (1) are matched with one side of the photovoltaic panel (1) in parallel, the cleaning assembly (22) and the winding drum assembly (23) both span the chain and chain wheel assemblies (21), and meanwhile, the cleaning assembly (22) and the winding drum assembly (23) are both positioned on the outer side of the photovoltaic panel;
the cleaning assembly (22) and the chain and chain wheel assembly (21) are fixedly connected through a mounting plate (221), at least two pairs of mounting nodes on the chain and chain wheel assembly (21) are hinged with the mounting plate (221), and each pair of mounting nodes correspond to each other;
the maintenance method comprises the following steps: one end of the photovoltaic panel (1) provided with the material collecting barrel is an initial end, and the opposite end is the other end of the outer side of the photovoltaic panel (1);
in the daytime, the light intensity detected by the photosensitive sensor (3) is higher than the preset value intensity, when the photovoltaic panel (1) can normally work, the maintenance device (2) does not receive a work pause instruction of the main control computer (4), at the moment, the chain and chain wheel assembly (21) of the maintenance device (2) drives the cleaning assembly (22) to move to the initial end of the photovoltaic panel (1), then the maintenance device (2) stops working, the shielding cloth (231) is wound on the material receiving barrel, and the normal work of the photovoltaic panel (1) is ensured;
at night or on a cloudy day, the light intensity detected by the photosensitive sensor (3) is lower than the preset intensity, when the photovoltaic panel (1) cannot normally work, the maintenance device (2) does not receive a continuous work instruction of the main control computer (4), the chain and chain wheel assembly (21) of the maintenance device (2) drives the cleaning assembly (22) to pass through the light-facing surface of the photovoltaic panel (1), the maintenance device (2) stops working after moving to the other end of the outer side of the photovoltaic panel (1), and the shielding cloth (231) covers the photovoltaic panel (1) to protect the photovoltaic panel (1);
when severe weather harms the safety of the photovoltaic panel (1) in the daytime, a worker sends an instruction for suspending the work of the photovoltaic panel (1) to the maintenance device (2) through the main control computer (4), the chain and chain wheel assembly (21) of the maintenance device (2) drives the cleaning assembly (22) to pass through the light facing surface of the photovoltaic panel (1), the maintenance device (2) stops working after moving to the other end of the outer side of the photovoltaic panel (1), and the shielding cloth (231) covers the photovoltaic panel (1) to protect the photovoltaic panel (1);
when needing to maintain photovoltaic panel (1) at night, the staff sends photovoltaic panel (1) normal work's instruction to maintaining device (2) through master control computer (4), maintains device (2) stop work after chain sprocket subassembly (21) of maintaining device (2) drive clean subassembly (22) work to the initial end of photovoltaic panel (1), shields cloth (231) winding on receiving the feed cylinder, guarantees that the staff normally maintains work to photovoltaic panel (1).
2. The maintenance method based on the photovoltaic panel device according to claim 1, wherein the cleaning assembly (22) comprises a cleaning brush (222) abutting against a light facing surface of the photovoltaic panel (1), an atomizer (224) installed above the cleaning brush (222), and dryers (223) installed on two sides of the cleaning brush (222), wherein the atomizer (224) and the dryers (223) are both electrically connected with the main control computer (4).
3. The maintenance method based on the photovoltaic panel device according to claim 1, characterized in that the cleaning brush (222) is a plurality of roller brushes, and the roller brushes are in rolling connection with the light facing surface of the photovoltaic panel (1).
4. The maintenance method based on the photovoltaic panel device according to claim 1, wherein the cleaning brush (222) is a plurality of disc brushes, the disc brushes are further rotatably connected with an electric motor, the disc brushes are abutted with the sunny side of the photovoltaic panel (1), and the electric motor is electrically connected with the master control computer (4).
5. The maintenance method based on the maintenance photovoltaic panel device according to claim 2, characterized in that the atomizer (224) comprises a water tank (2243) installed outside the photovoltaic panel (1), and an atomizer head communicated with the water tank (2243), the atomizer head being installed above the cleaning brush (222);
the dryer (223) comprises an air blower (2233) arranged on the outer side of the photovoltaic panel (1) and an air outlet communicated with the air blower (2233), the air outlet is arranged on two sides of the cleaning brush (222), and the air outlet faces the cleaning brush (222).
6. The maintenance method based on the photovoltaic panel device, according to the claim 1, characterized in that the winding drum assembly (23) comprises a material receiving drum rotatably connected with the chain and sprocket assembly (21), and a shielding cloth (231) rotatably connected with the material receiving drum at one end, the other end of the shielding cloth (231) is fixedly connected with the cleaning assembly (22), and the width and the length of the shielding cloth (231) are both larger than those of the photovoltaic panel (1).
7. The maintenance method based on the photovoltaic panel device, according to claim 6, characterized in that a roller (232) is further installed between the cleaning component (22) and the winding drum component (23), the roller (232) is connected with the shielding cloth (231) in a rolling manner, the roller (232) is fixedly installed on the outer sides of the chain and chain wheel component (21) and the photovoltaic panel (1), and the vertex height of the roller (232) is matched with the light facing surface of the photovoltaic panel (1).
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| CN202010693876.4A CN112044832B (en) | 2019-09-06 | 2019-09-06 | Maintenance method based on photovoltaic panel maintenance device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842121.3A CN110729958B (en) | 2019-09-06 | 2019-09-06 | Device and method for maintaining photovoltaic panel |
| CN202010693876.4A CN112044832B (en) | 2019-09-06 | 2019-09-06 | Maintenance method based on photovoltaic panel maintenance device |
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| CN201910842121.3A Division CN110729958B (en) | 2019-09-06 | 2019-09-06 | Device and method for maintaining photovoltaic panel |
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| CN112044832A true CN112044832A (en) | 2020-12-08 |
| CN112044832B CN112044832B (en) | 2022-04-15 |
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| CN202010693876.4A Active CN112044832B (en) | 2019-09-06 | 2019-09-06 | Maintenance method based on photovoltaic panel maintenance device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951085A (en) * | 2022-05-27 | 2022-08-30 | 合肥京东方视讯科技有限公司 | Cleaning device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313823B (en) * | 2020-03-26 | 2020-10-02 | 浙江知瑞科技集团有限公司 | Solar power generation temperature adjusting device |
| CN111899638A (en) * | 2020-08-06 | 2020-11-06 | 杭州矽岛科技有限公司 | Intelligent hospital performance management system based on drgs |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110094549A1 (en) * | 2009-10-28 | 2011-04-28 | Hon Hai Precision Industry Co., Ltd. | Cleaning system for solar panel |
| KR20120012496A (en) * | 2012-01-17 | 2012-02-10 | 코오롱글로벌 주식회사 | Apparatus for Removing Alien Substances of Solar Cell Module |
| CN202516827U (en) * | 2012-01-06 | 2012-11-07 | 河北科技大学 | Automatic cleaning device of solar battery panel |
| CN203417871U (en) * | 2013-07-24 | 2014-02-05 | 王玉芝 | Intelligent cleaning device of photovoltaic cell assembly of photovoltaic power station |
| CN203426132U (en) * | 2013-08-13 | 2014-02-12 | 王勇飞 | Dry dust removal cleaning equipment of photovoltaic power station |
| CN205393055U (en) * | 2016-03-08 | 2016-07-27 | 江苏工程职业技术学院 | Be applied to photovoltaic array's intelligent dust collector |
| CN207076718U (en) * | 2017-07-12 | 2018-03-09 | 天津天与光能新能源科技发展有限公司 | A kind of photovoltaic plant cleaner |
| CN108111117A (en) * | 2017-12-21 | 2018-06-01 | 河南理工大学 | Solar power supply unit and system |
| CN207926516U (en) * | 2018-06-19 | 2018-09-28 | 龙源（北京）太阳能技术有限公司 | Photovoltaic array intelligently cleans managing device and system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101611187B1 (en) * | 2014-07-11 | 2016-04-11 | 대우조선해양 주식회사 | Hull Cleaning Device and Hull Cleaning System Having the Same |
| CN109546956B (en) * | 2018-12-27 | 2020-04-21 | 河北机电职业技术学院 | Photovoltaic panel protection device |
-
2019
- 2019-09-06 CN CN201910842121.3A patent/CN110729958B/en active Active
- 2019-09-06 CN CN202010693876.4A patent/CN112044832B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110094549A1 (en) * | 2009-10-28 | 2011-04-28 | Hon Hai Precision Industry Co., Ltd. | Cleaning system for solar panel |
| CN202516827U (en) * | 2012-01-06 | 2012-11-07 | 河北科技大学 | Automatic cleaning device of solar battery panel |
| KR20120012496A (en) * | 2012-01-17 | 2012-02-10 | 코오롱글로벌 주식회사 | Apparatus for Removing Alien Substances of Solar Cell Module |
| CN203417871U (en) * | 2013-07-24 | 2014-02-05 | 王玉芝 | Intelligent cleaning device of photovoltaic cell assembly of photovoltaic power station |
| CN203426132U (en) * | 2013-08-13 | 2014-02-12 | 王勇飞 | Dry dust removal cleaning equipment of photovoltaic power station |
| CN205393055U (en) * | 2016-03-08 | 2016-07-27 | 江苏工程职业技术学院 | Be applied to photovoltaic array's intelligent dust collector |
| CN207076718U (en) * | 2017-07-12 | 2018-03-09 | 天津天与光能新能源科技发展有限公司 | A kind of photovoltaic plant cleaner |
| CN108111117A (en) * | 2017-12-21 | 2018-06-01 | 河南理工大学 | Solar power supply unit and system |
| CN207926516U (en) * | 2018-06-19 | 2018-09-28 | 龙源（北京）太阳能技术有限公司 | Photovoltaic array intelligently cleans managing device and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951085A (en) * | 2022-05-27 | 2022-08-30 | 合肥京东方视讯科技有限公司 | Cleaning device |
| CN114951085B (en) * | 2022-05-27 | 2023-10-31 | 合肥京东方视讯科技有限公司 | Cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110729958B (en) | 2020-09-18 |
| CN110729958A (en) | 2020-01-24 |
| CN112044832B (en) | 2022-04-15 |
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