CN116073756A - Photovoltaic module that can remove dust automatically - Google Patents
Photovoltaic module that can remove dust automatically Download PDFInfo
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- CN116073756A CN116073756A CN202310195076.3A CN202310195076A CN116073756A CN 116073756 A CN116073756 A CN 116073756A CN 202310195076 A CN202310195076 A CN 202310195076A CN 116073756 A CN116073756 A CN 116073756A
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- 239000000428 dust Substances 0.000 title claims abstract description 120
- 238000002347 injection Methods 0.000 claims abstract description 92
- 239000007924 injection Substances 0.000 claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000005096 rolling process Methods 0.000 claims description 36
- 238000005192 partition Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 abstract description 25
- 238000009434 installation Methods 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 description 15
- 238000012545 processing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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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
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
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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
Landscapes
- Cleaning In General (AREA)
Abstract
The invention provides a photovoltaic module capable of automatically removing dust, which comprises a photovoltaic plate and a dust removing device arranged at the edge of the photovoltaic plate, wherein a strip-shaped air injection mechanism facing the photovoltaic plate is arranged on the dust removing device, the air inlet end of the air injection mechanism is connected with an air source, and the air outlet end of the air injection mechanism is strip-shaped and parallel or inclined to the photovoltaic plate and can enable formed air flow to cover the working surface of the whole photovoltaic plate. The photovoltaic module capable of automatically removing dust has the advantages of compact structure, small volume, attractive appearance, convenient installation, high dust removal efficiency and good effect, greatly reduces the cost of dust removal operation and is suitable for popularization and use.
Description
Technical Field
The invention relates to a photovoltaic module, in particular to a photovoltaic module capable of automatically removing dust.
Background
The photovoltaic module, commonly called a solar cell, is composed of one or more semiconductor elements capable of generating a photovoltaic effect, and is a power generation device capable of converting absorbed solar energy into electric energy. The photovoltaic module is installed in an open environment, is easily shielded by pollutants such as dust, reduces the transmittance of sunlight, and reduces the electric energy conversion rate of the photovoltaic module, so that in order to ensure the good conversion rate of the photovoltaic module, the photovoltaic panel needs to be cleaned regularly, in the prior art, the photovoltaic panel is cleaned manually, the cost for maintaining and maintaining the photovoltaic module is too high, the efficiency is extremely low, and meanwhile, the photovoltaic module has a certain danger; in order to solve the above problems, cleaning robots have been developed, which have a traveling mechanism and a cleaning mechanism, which are bulky and heavy, and which have low cleaning efficiency, and which have high requirements for the ground, and which require consideration of environmental (ground) factors during cleaning, and which have a large limitation.
Disclosure of Invention
The invention aims to solve the technical problem of providing the photovoltaic module which has the advantages of compact structure, small volume, high cleaning efficiency and good effect and can automatically remove dust.
The invention provides a photovoltaic module capable of automatically removing dust, which comprises a photovoltaic plate 2 and a dust removing device 1 arranged at the edge of the photovoltaic plate 2, wherein a strip-shaped air injection mechanism 4 facing the photovoltaic plate 2 is arranged on the dust removing device 1, the air inlet end of the air injection mechanism 4 is connected with an air source, and the air outlet end 40 of the air injection mechanism 4 is strip-shaped and parallel or inclined to the photovoltaic plate 2 and can enable formed air flow to cover the working surface of the whole photovoltaic plate 2.
Further, the dust removing device comprises a frame structure, and the frame structure is provided with a mounting groove which can hold the photovoltaic panel 2 to be clamped in so as to realize the mounting of the photovoltaic panel 2; the air injection mechanism 4 is arranged in the frame structure and located at the upper end edge of the photovoltaic panel 2, two sides of the frame structure are higher than the photovoltaic panel 2 and form wind shielding strips, and a dust removal flow guide area for removing dust on the working surface of the photovoltaic panel 2 is formed between the wind shielding strips and the photovoltaic panel 2.
Further, the air injection mechanism 4 is provided with a plurality of air injection holes which are positioned in the same straight line and are equidistantly arranged, the air injection mechanism is connected with an air source after passing through a mechanical automatic reversing valve 4, and the air injection holes are used for intermittent air injection, and two adjacent air injection holes are used for staggered air injection.
Further, the air injection mechanism 4 includes a strip-shaped casing, a horizontal partition board is disposed in the strip-shaped casing, the strip-shaped casing is partitioned into an upper cavity and a lower cavity by the horizontal partition board, first vertical partition boards 41 parallel to the width direction of the strip-shaped casing are disposed in the upper cavity, the number of the first vertical partition boards 41 is plural and are equidistantly disposed along the length direction of the strip-shaped casing, an air outlet pipeline 410 is formed between two adjacent first vertical partition boards 41, and the front end of the air outlet pipeline 410 is open and forms an air injection hole; the lower cavity is internally provided with one or more second vertical partition plates 44 parallel to the length direction of the strip-shaped shell, the lower cavity is divided into n air inlet pipelines 440 by the second vertical partition plates, one end of each air inlet pipeline is provided with an air inlet, one air outlet pipeline 410 is communicated with the air inlet pipeline 440 through an air hole 42 formed in the horizontal partition plate, and n adjacent air outlet pipelines are communicated with different air inlet pipelines 440.
Further, the cross-sectional area of the gas inlet duct 440 is greater than or equal to the sum of the cross-sectional areas of the gas injection holes communicating therewith.
Further, a spoiler 43 is arranged on the bottom surface of the outlet end of the air injection hole, the spoiler 43 is of a conical structure with a large inner side and a small outer side, two ends of the spoiler 43 are arc-shaped surfaces, and two sides of the spoiler 43 are inclined surfaces.
Further, the mechanical automatic reversing valve comprises a valve body 5, a working cavity 50 with a circular cross section is formed in the valve body 5, an air inlet duct 50a and an air outlet duct 50b are arranged on the side wall of the working cavity 50, n valve core cavities 54 are circumferentially and uniformly distributed on the bottom surface of the working cavity 50, the axis of each valve core cavity 54 is parallel to the axis of the working cavity 50, and a valve core 6 and an elastic component which enables the valve core 6 to have an outward movement trend are arranged in each valve core cavity 54; the side wall of each valve core cavity 54 is provided with an air inlet flow channel 56 and an air outlet flow channel 55, the air inlet flow channels 56 and the air outlet flow channels 55 are positioned on different radial surfaces, the air outlet flow channels 55 are communicated with an air outlet interface which is arranged on the side wall of the valve body and is used for being connected with the air injection mechanism 4, and the air inlet flow channels 56 are communicated with the air outlet channel 50 b; the working chamber 50 is rotatably provided with a centrifugal impeller 7 which can accommodate the gas drive of the air inlet channel 50a, the bottom surface of the centrifugal impeller 7 is provided with a driving ring 73, and the driving ring 73 can sequentially push the valve core 6 to move downwards along with the rotation of the centrifugal impeller 7 and is communicated with the air inlet channel 56 and the air outlet channel 55 so as to realize staggered air outlet of the air outlet interface.
Further, the driving ring 73 includes a ring body 731 coaxial with the centrifugal impeller 7, n-1 protrusions are circumferentially and uniformly distributed on the bottom surface of the ring body 731, and a pushing portion 732 for pushing the valve core 6 to move downward is formed, an end portion of the pushing portion 732 is an inclined surface or an arc surface, and forms an inclined guide surface 733, and α - β is greater than or equal to 0 ° and less than or equal to 5 °, where α is a central angle formed between two ends of the pushing portion 732 and an axis of the centrifugal impeller 7, and β is an included angle between two adjacent valve core cavities 54.
Further, a cavity is formed in the valve body 5 and forms a buffer cavity 53, and the air outlet duct 50b is communicated with the air inlet channel 56 after passing through the buffer cavity 53.
Further, the dust removing roller assembly 3 further comprises a roller brush shaft 31, guide rods 36, a sliding block 35 and an air bag 39, wherein the two guide rods 36 are symmetrically arranged in the longitudinal beams 12 of the frames on two sides of the photovoltaic panel, the guide rods 36 are hollow and form a strip-shaped guide groove 360, strip-shaped holes are formed in the side walls of the guide groove 360 along the length direction, the end parts of the roller brush shaft penetrate through the strip-shaped holes and are connected with the sliding block 35 which is slidingly matched in the guide groove 360 through bearings so as to realize rotation and sliding, the end parts of the roller brush shaft 31 are fixedly provided with gears 32 which are meshed with the racks 37 fixed in the longitudinal beams 12, the air bag 39 is arranged in the guide groove 360 and connected with the sliding block 35 and is used for driving the sliding block 35 to axially move, and when the air bag slides, tangential force directions of contact points of bristles on the roller brush shaft 31 and the working surface of the photovoltaic panel 2 are the same as the sliding direction of the sliding block 35.
The photovoltaic module capable of automatically removing dust is provided with the air injection mechanism, so that the covered air injection type dust removal can be carried out on the surface of the photovoltaic panel, the volume and the installation space are small, the dust removal efficiency is good, and the efficiency is high; the air injection holes are intermittent and staggered air injection, so that the air outlet area during simultaneous injection is reduced, the air outlet speed is improved, the air flow can form impact force, and meanwhile, the interference of compressed air at the outlet end due to too close can be avoided, the cleaning and dust removing effects and efficiency are improved, and the energy waste is avoided; the bottom surface of the outlet end of the air injection hole is provided with a spoiler, so that the sectional area of the air outlet is reduced, the air pressure is increased, the air speed of the air outlet is further increased, vacuum is formed at the position of the front end of the spoiler, the linearity of the air at two sides is improved, the injection distance is increased, and the air passing area on the photovoltaic panel is further increased; the frame type structure is adopted, so that the installation is convenient and labor-saving, the occupied space is small, the weight is light, and the cost is low; a dust removal flow guide area is formed between the two side beams of the frame and the upper surface of the photovoltaic panel, so that gas sprayed from the air injection mechanism can be guided, the influence of the diffusion of the gas from two sides on the cleaning effect is avoided, the fixed wind direction and wind pressure are formed in the dust removal flow guide area, the wind speed is improved, and the working surface of the upper surface of the photovoltaic panel is further dedusted; the air injection mechanism is arranged at the edge of the upper end of the photovoltaic panel and is inclined downwards relative to the ground, so that dust on the working surface of the photovoltaic panel can be blown down from top to bottom, and dust emission is avoided; the mechanical automatic reversing valve is arranged for pipeline switching, compressed gas is adopted for driving reversing, no circuit electrical appliance structure is adopted, the use is reliable and stable, the service life is long, meanwhile, the circuit safety problem is avoided, the processing is easy, the production cost is low, and the processing precision is high; the pushing part of the driving ring is designed, so that one of the air injection holes is in an air injection starting state before or at the moment when air injection is stopped, all the air outlet channels are in a blocking dead angle state at the moment of reversing, and the running smoothness, stability and reliability of the centrifugal impeller are improved; the air injection device adopts a plate body design, has small space, convenient processing, low cost and good injection effect; meanwhile, a rolling brush dust removing mechanism is arranged, so that brush hair contact type dust removal is realized, and the dust removing effect and efficiency are further improved; the rolling brush is driven by an air bag and matched with a gear rack to realize sliding and rotation, so that the rolling brush has a compact structure, no electrical components, safe and reliable use and long service life; when the brush rotates, the tangential force of the brush contact is the same as the moving direction of the brush contact, so that the relative moving speed between the brush and the working surface is increased, and the dust removal effect is good; the containing groove is arranged for hiding the rolling brush in an initial state, so that the rolling brush is prevented from being exposed to sunlight for a long time, the service life is long, and the attractiveness is high; the photovoltaic module capable of automatically removing dust has the advantages of compact structure, small volume, attractive appearance, convenient installation, high dust removal efficiency and good effect, greatly reduces the cost of dust removal operation and is suitable for popularization and use.
Drawings
Fig. 1 is a schematic structural view of a photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 2 is a schematic diagram of a rolling brush working state of a photovoltaic module capable of automatically removing dust;
FIG. 3 is a schematic diagram of an exploded structure of a photovoltaic module capable of automatically removing dust in accordance with the present invention;
fig. 4 is a schematic structural view of a frame structure of the photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 5 is a schematic diagram of an installation of an air injection mechanism of a photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 6 is a schematic structural view of an air injection mechanism of a photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 7 is an enlarged view of portion A of FIG. 6;
FIG. 8 is a schematic view of the installation of a spoiler of a photovoltaic module capable of automatically removing dust in accordance with the present invention;
FIG. 9 is a schematic view of another angular configuration of an air injection mechanism of a photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 10 is a schematic view of a mechanical automatic reversing valve of a photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 11 is a schematic diagram of an exploded view of a mechanical automatic reversing valve of a photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 12 is a transverse cross-sectional view of a mechanical automatic reversing valve of a photovoltaic module capable of automatically removing dust in accordance with the present invention;
FIG. 13 is a longitudinal cross-sectional view of a mechanical automatic reversing valve of a photovoltaic module capable of automatically removing dust in accordance with the present invention;
FIG. 14 is a schematic view of a valve body of a photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 15 is a schematic view of a flow passage within a valve body of a photovoltaic module capable of automatically removing dust in accordance with the present invention;
fig. 16 is a schematic view of the state of the valve core when the photovoltaic module capable of automatically removing dust is blocked;
FIG. 17 is a schematic view of the state of the valve core when the photovoltaic module capable of automatically removing dust of the present invention is connected;
FIG. 18 is a schematic structural view of a centrifugal impeller of a photovoltaic module capable of automatically removing dust in accordance with the present invention;
FIG. 19 is a schematic view showing the internal structure of a centrifugal impeller of the photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 20 is a schematic view of another angular configuration of a centrifugal impeller of a photovoltaic module capable of automatically removing dust in accordance with the present invention;
FIG. 21 is a schematic view of a drive ring of a photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 22 is a schematic view of a roll brush dust removal assembly of a photovoltaic module capable of automatically removing dust according to the present invention;
FIG. 23 is a schematic view of the installation of racks of a photovoltaic module capable of automatically removing dust in accordance with the present invention;
in the figure: 1-dust collector, 11-upper beam, 110-installation cavity, 111-holding tank, 12-longitudinal beam, 120-installation area, 121-bar slot, 13-lower beam, 130-dust discharge hole, 2-photovoltaic panel, 3-roller brush dust removing component, 31-roller brush shaft, 32-gear, 34-bearing, 35-slider, 36-guide bar, 360-guide groove, 37-rack, 39-air bag, 4-air injection mechanism, 40-air outlet end, 41-first vertical partition board, 410-air outlet pipeline, 42-air hole, 43-spoiler, 44-second vertical partition board, 440-air inlet pipeline, 5-valve body, 5 a-cover plate, 50-working cavity, 500-central hole, 50 a-air inlet channel, 50 b-air outlet channel, 51-annular protrusion, 52-circular boss, 53-buffer cavity, 54-spool cavity, 54 a-first spool cavity, 54 b-second spool cavity, 54 c-third spool cavity, 55-outlet flow channel, 55 a-first outlet flow channel, 55 b-second outlet flow channel, 55 c-third outlet flow channel, 56-inlet flow channel, 56 a-first inlet flow channel, 56 b-second inlet flow channel, 6-spool, 61-annular groove, 62-elastic component, 7-centrifugal impeller, 71-circular support plate, 72-arc blade, 721-annular body, 73-driving ring, 731-annular body, 732-pushing part, 733-inclined guide surface, 74-spindle, 8, cover.
Description of the embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-23, the present invention provides a photovoltaic module capable of automatically removing dust, which comprises a photovoltaic panel 2 and a dust removing device disposed at the edge of the photovoltaic panel 2, wherein the dust removing device 1 is provided with an air injecting mechanism 4, the air injecting mechanism 4 is connected with an air source, typically an air pump, an air outlet end 40 of the air injecting mechanism 4 is in a strip shape, the length direction of the air outlet end is parallel to the length or width direction of the photovoltaic panel, and the air outlet of the air outlet end is parallel to or slightly inclined to the upper surface of the photovoltaic panel 2, so that the formed air flow covers the working surface (upper surface) of the whole photovoltaic panel 2, and the distance between the air outlet end 40 and the upper surface of the photovoltaic panel is less than or equal to 10mm.
The present invention is described in detail below:
referring to fig. 1 to 4, the dust removing device includes a rectangular frame structure, on which a mounting groove is provided, the mounting groove can accommodate the photovoltaic panel 2 to be clamped in, so as to realize the mounting and fixing of the photovoltaic panel 2, specifically, the frame structure includes an upper beam 11 and a lower beam 13 which are arranged in parallel, two ends of the upper beam 11 and the lower beam 13 are connected through a longitudinal beam 12, and the two longitudinal beams are parallel to each other, so that a rectangular frame structure is integrally formed, and meanwhile, the photovoltaic panel 2 can be mounted in the frame structure, like a photo frame structure; meanwhile, the frame structure is a hollow structure, on one hand, the weight of the frame structure is reduced, on the other hand, the frame structure is used for installing the dust removing device in the frame structure, and the whole frame structure is formed by processing a section bar. The air injection mechanism 4 is arranged in the frame structure, specifically, is arranged in an upper cross beam 11 of the frame structure, namely is positioned at the edge of the upper end of the photovoltaic panel 2, meanwhile, the top surfaces of longitudinal beams 12 on two sides of the frame structure are higher than the upper surface of the photovoltaic panel 2, so that a wind shielding strip structure is formed, a dust removal flow guide area is formed between the two wind shielding strips and the upper surface of the photovoltaic panel 2, the dust removal flow guide area is used for guiding gas sprayed from the air injection mechanism 4, the gas is prevented from diffusing from two sides to influence the cleaning effect, fixed wind direction and wind pressure are formed in the dust removal flow guide area, the wind speed is improved, and then the working surface of the upper surface of the photovoltaic panel 2 is dedusted; in the application, the air injection mechanism 4 is arranged at the edge of the upper end of the photovoltaic panel and is inclined downwards relative to the ground, so that dust on the working surface of the photovoltaic panel can be blown down from top to bottom, and dust emission is avoided; in order to avoid dust forming accumulation on the lower beam 13, the lower beam 13 is provided with a plurality of dust discharging holes 130, the dust discharging holes 130 are arranged along the length direction of the lower beam 13 and are used for containing wind to discharge dust on the surface of the photovoltaic panel 2 outside the photovoltaic panel 2 after passing through the dust discharging holes 130, and the photovoltaic panel is clean without dead angles and has good cleaning effect.
In this application, be equipped with the fumarole towards the working face of photovoltaic board 2 on this jet mechanism 4, this fumarole is a plurality of and sets up along the width (horizontal) direction equidistance of photovoltaic board 2, and then forms the fumarole of a strip, and the length of fumarole is the same with the width of photovoltaic board 2 basically to make gaseous can cover the working face of whole photovoltaic board 2, and then can remove dust to the whole working face of photovoltaic board 2, reaches clean effect.
In order to improve the cleaning effect, in the present application, the air injection mechanism 4 is connected with an air source through a mechanical automatic reversing valve, the air source is an air pump, and the air source (compressed air) provided by the air injection mechanism is intermittently injected through the mechanical automatic reversing valve, and meanwhile, adjacent air injection ports are alternately injected.
Specifically, referring to fig. 6-9, a hollow cavity is formed in an upper beam of the frame structure and forms a mounting cavity 110, an air injection mechanism 4 is located in the mounting cavity 110, the air injection mechanism 4 comprises a strip-shaped shell, the strip-shaped shell is of a hollow structure, the thickness (height) of the strip-shaped shell is far smaller than the length and the width, the whole length is greater than or equal to the horizontal width of the photovoltaic panel 2, a horizontal partition plate is arranged in the strip-shaped shell, the strip-shaped shell is divided into an upper cavity and a lower cavity by the horizontal partition plate, a first vertical partition plate 41 is arranged in the upper cavity, the length direction of the first vertical partition plate 41 is parallel to the width direction of the strip-shaped shell, meanwhile, a plurality of first vertical partition plates 41 are equidistantly arranged along the length direction of the strip-shaped shell, an air outlet pipeline 410 is formed between two adjacent first vertical partition plates 41, in the application, the length of the air outlet pipeline 410 is 5-10mm, the height is 4-8mm, and the front end of the air outlet pipeline 410 is opened and forms an air injection hole; a second vertical partition plate 44 is arranged in the lower cavity, the length direction of the second vertical partition plate 44 is parallel to the length direction of the strip-shaped shell, one or more second vertical partition plates 44 are arranged, two lower cavities are divided into n air inlet pipelines 440 in the embodiment, three air inlet pipelines 440 are arranged in the embodiment, one end of each air inlet pipeline 440 is provided with an air inlet and is used for being connected with the outlet end of the mechanical automatic reversing valve, each air outlet pipeline 410 is communicated with the air inlet pipeline 440 through an air hole 42, the air hole 42 is provided with the bottom surface of the air outlet pipeline 410, namely, the air hole is provided on the horizontal partition plate, and the adjacent n air outlet pipelines 410 are communicated with different air inlet pipelines 440, taking three air outlet pipelines 410 in the embodiment as an example, each 3 air outlet pipelines form a group, and are respectively communicated with different air inlet pipelines 440, namely, the adjacent three air outlet pipelines 410 are communicated with different air inlet pipelines 440, and through staggered ventilation of the air inlet pipelines 440, the same air injection hole is formed to form intermittent air injection, namely, the air injection is stopped, and meanwhile, the adjacent 3 air injection holes form staggered air outlet, namely, only one air injection is performed at the same time, so that on one hand, the air flow can form impact force, on the other hand, the compressed air can be prevented from forming interference at the outlet end due to too close, thereby improving the cleaning and dust removing effects and efficiency and avoiding energy waste; in order to improve the dust removal effect, in the present application, the cross-sectional area of the air inlet pipeline 440 is greater than or equal to the sum of the cross-sectional areas of the air injection holes communicated with the air inlet pipeline, so as to form a certain compression effect, and improve the wind pressure of the air outlet end; in this embodiment, a spoiler 43 is disposed on the bottom surface of the outlet end of the air hole, i.e. the spoiler 43 is mounted on the horizontal partition plate, the spoiler 43 is located at the center of the air hole, its axis is perpendicular to the horizontal partition plate, the spoiler 43 is a conical structure with a large inner side and a small outer side, referring to fig. 8, two ends of the spoiler 43 are arc surfaces, the diameter of the arc surface of the rear end (facing away from the air outlet direction) is greater than that of the arc surface of the front end (facing the air outlet direction), two sides of the spoiler 43 are inclined surfaces, the inclined surfaces are inclined to the air outlet direction of the air hole, the spoiler 43 reduces the cross-sectional area of the air outlet, increases the wind pressure, further increases the wind speed of the air outlet, forms vacuum at the position of the front end of the spoiler 43, increases the straightness of wind at two sides, increases the spraying distance, and further increases the wind passing area on the photovoltaic panel 2.
The mechanical automatic reversing valve is installed in an upper cross beam 11 of a frame structure, and specifically, referring to fig. 10-21, the mechanical automatic reversing valve comprises a valve body 5, the valve body 5 is integrally cuboid, an annular bulge 51 is arranged on the top surface of the valve body 5, a working cavity 50 with a circular cross section is formed in the annular bulge 51, a central hole 500 is formed in the center of the bottom surface of the working cavity 50 and is used for installing a centrifugal impeller 7, the centrifugal impeller 7 is installed in the central hole 500 through a bearing, a cover body 8 is fixed on the top surface of the working cavity 50 through a bolt and is used for sealing the working cavity 50, meanwhile, the upper end of the centrifugal impeller 7 is limited, swing is avoided, the operation precision is improved, and a thrust bearing is arranged between the centrifugal impeller 7 and the cover body 8 and is used for bearing axial force; in the side wall of the working chamber 50, in this embodiment, an air inlet duct 50a and an air outlet duct 50b are arranged on the side wall of the annular protrusion 51 and are tangential to the side wall of the working chamber 50, the axes of the air inlet duct 50a and the air outlet duct 50b are located on the same radial plane, the included angle of the axes of the air inlet duct 50a and the air outlet duct 50b is 90 degrees, and a connecting screw hole is arranged at the end part of the air outlet duct 50b and is used for being connected with the air outlet end of the air pump to serve as an integral power source; an annular groove is formed in the bottom surface of the working chamber 50, a certain height difference is formed in the annular groove, and then a circular boss 52 is formed in the center of the working chamber and used for forming a certain distance between the bottom surface of the centrifugal impeller 7 and the bottom surface of the working chamber; specifically, n spool chambers 54 are circumferentially and uniformly distributed on the bottom surface of the annular groove, three spool chambers 54 are provided in this embodiment, the axes of the spool chambers 54 are parallel to the axis of the working chamber 50, a spool 6 and an elastic member 62 are provided in the spool chambers 54, the spool 6 is slidingly matched in the spool chambers 54, an annular groove 61 is provided on the side wall of the spool 6 as a communicating portion, the elastic member 62 is a spring and is located at the lower end of the spool 6, which causes the spool 6 to have an outward movement tendency, i.e. the spool 6 has a movement tendency toward the direction of the working chamber 50; the side wall of each valve core cavity 54 is provided with an air inlet flow channel 56 and an air outlet flow channel 55, the air inlet flow channel 56 and the air outlet flow channel 55 are positioned on different radial surfaces, the communication or blocking of the air inlet flow channel 56 and the air outlet flow channel 55 is controlled by the up-down movement of the valve core 6, the side wall of the valve body 5 is provided with air outlet interfaces which are the same in number with the valve core cavities 54, and the air outlet interfaces are respectively communicated with the air outlet flow channel 55 and are screw ports for being connected with the air inlet end of the air injection mechanism 4.
The centrifugal impeller comprises a main shaft 74, two mutually parallel circular support plates 71 are arranged on the main shaft 74, the distance between the two circular support plates 71 is larger than the height of the air inlet duct 50a, a plurality of arc-shaped blades 72 are circumferentially and uniformly distributed between the two circular support plates 71, the concave surfaces of the arc-shaped blades 72 face the air inlet duct 50a, in order to avoid the influence of turbulent flow of air formed at the centers of the arc-shaped blades 72 on the air outlet, a circular ring 721 is arranged at the center of the circular support plates 71, the inner side of the arc-shaped blades 72 is connected with the side wall of the circular ring 721 to avoid forming a gap, a driving ring 73 is arranged at the bottom surface of the centrifugal impeller 7 and used for pushing the valve core 6 to axially move, the driving ring 73 can sequentially push the valve core 6 to move downwards along with the rotation of the centrifugal impeller 7 and is communicated with the air inlet duct 56 and the air outlet duct 55, and when communicated with the air inlet duct is sprayed for dust removal; in order to improve the driving stability, the top surface of the valve core 6 is an arc surface.
Specifically, referring to fig. 20-21, the driving ring 73 includes a ring body 731, which is fixed on the bottom surface of the centrifugal impeller 7 and is coaxial with the centrifugal impeller 7, n-1 protrusions are uniformly distributed on the circumference of the bottom surface of the ring body 731, in this embodiment, two protrusions are formed to form a pushing portion 732, the bottom surface of the pushing portion forms a first guiding surface, the pushing portion 732 is in a fan-ring shape as a whole, an end portion is a slope or an arc surface and forms an inclined guiding surface 733, a second guiding surface is formed between two adjacent pushing portions 732, the level of the second guiding surface is higher than the level of the first guiding surface, a level difference is formed, the pushing portion 732 is used to push the valve core 6 to move downwards, that is, when the top surface of the valve core 6 contacts the first guiding surface, the valve core 6 moves downwards to a lower limit, referring to fig. 17, and the air inlet flow passage 56 and the air outlet flow passage 55 in the valve core cavity 54 where the valve core 6 is located are communicated, when the top surface of the valve core 6 contacts the second guiding surface under the action of elastic force, referring to fig. 17, 6 is located at an upper limit, the air inlet flow passage 56 and the air outlet passage 55 in the valve core cavity where the valve core 6 is located is not communicated; in this embodiment, the central angle formed between the two ends of the pushing portion 732 and the axis of the centrifugal impeller 7 is α, and the included angle β between two adjacent valve core cavities 54 is 0 ° or more and less than 5 °, which can make one of the air injection holes be in the state before or at the moment when the air injection is stopped, and the other air injection hole is in the state of starting the air injection, meanwhile, due to the existence of the inclined guide surface 733, all the air outlet flow channels 55 are prevented from being in the dead angle state of blocking at the moment of reversing, i.e., at least one of the air outlet flow channels is in the ventilation state, which can improve the smooth running performance, stability and reliability of the centrifugal impeller 7; in order to improve the stability of pressure supply, a cavity is formed in the valve body 5 and forms a buffer cavity 53, a groove is formed in the side wall of the valve body 5 for processing convenience, a cover plate 5a is fixed at the open end of the groove through a bolt and forms the buffer cavity 53, an air outlet channel 50b extends into the groove and is communicated with the buffer cavity 53, an air inlet channel 56 communicated with the valve core cavity 54 is formed in the side wall of the groove, the buffer cavity 53 can accumulate a certain pressure, air flow is provided at the moment of communication, and the transmission and injection effects are good.
The following description is given in a preferred manner of the present embodiment:
referring to fig. 14-15, three valve core cavities 54 are circumferentially and uniformly distributed on the bottom surface of the working cavity 50, namely a first valve core cavity 54a, a second valve core cavity 54b and a third valve core cavity 54c, a first air outlet flow channel 55a is arranged on the side wall of the first valve core cavity 54a, a second air outlet flow channel 55b is arranged on the side wall of the second valve core cavity 54b, a third air outlet flow channel 55c is arranged on the side wall of the third valve core cavity 54c, all the air outlet flow channels are positioned on the same radial surface, are mutually parallel, and the end parts extend out of the valve body 5 to form air outlet interfaces, all the air outlet interfaces are positioned on the same side wall of the valve body 5, and the air inlet interfaces and the air outlet interfaces are connected with an air inlet channel, so that the assembly is convenient; the side wall of the valve body 5 is provided with a groove which is used as a buffer cavity 53 and is positioned at the same side with the air outlet channel 50b, the air outlet channel 50b extends into the groove and is communicated, the side wall of the groove is provided with a first air inlet channel 56a and a second air inlet channel 56b which are positioned on the same radial surface, the first air inlet channel 56a is directly communicated with the second valve core cavity 54b, the second air inlet channel 56b is staggered with the first air inlet channel and the third air inlet channel, the side wall of the valve body 5 is provided with two middle channels, the two middle channels respectively penetrate through the second air inlet channel 56b and the second valve core cavity 54b and the third valve core cavity 54c to be communicated, and then the end parts of the middle channels are blocked.
In order to improve the dust removal effect, the embodiment further comprises a rolling brush dust removal assembly 3, referring to fig. 1-3 and 22-23, the rolling brush dust removal assembly 3 comprises a rolling brush shaft 31, a guide rod 36, a sliding block 35 and an air bag 39, a cavity is formed in a longitudinal beam 12 and forms a mounting area 120, the guide rod 36 is two and symmetrically arranged in the longitudinal beam 12 of the frames on two sides of the photovoltaic panel, the length direction of the guide rod 36 is parallel to the length direction of the longitudinal beam 12, the guide rod 36 is a hollow tube body, a strip-shaped (linear) guide groove 360 is formed in the guide groove, a strip-shaped hole is formed in the side wall of the guide groove 360, meanwhile, a strip-shaped groove 121 is formed in the side wall of the longitudinal beam, the strip-shaped grooves on two sides of the photovoltaic panel 2 are oppositely arranged and are used for mounting the rolling brush shaft 31, the sliding block 35 is slidably matched in the guide groove 360, the rolling brush shaft 31 is positioned at the upper end of the working surface of the photovoltaic panel 2, the two end parts of the rolling brush shaft pass through the strip-shaped hole and are connected with the sliding block 35 through bearings 34, the whole sliding and the rotation of the rolling brush shaft 31 can be realized, the sliding and the sliding stability of the sliding plate can be improved, and the sliding stability is improved by the sliding plate 35 is arranged on the side walls and the side edge of the sliding plate; a gear 32 is fixed at both end portions of the rolling brush shaft 31, and a rack 37 is fixed in the longitudinal beam 12 in the longitudinal direction, and the rack 37 is positioned at the upper end of the gear 32 and is meshed with the gear 32; meanwhile, the air bag 39 is of a strip-shaped structure as a whole, is circular in cross section, is arranged in the guide groove 360, the upper end of the air bag 39 is fixed at the end part of the guide groove 360, the end is connected with the air pump, the lower end of the air bag is fixedly connected with the sliding block 35, the sliding block 35 is pushed to move downwards through the inflation of the air bag 39, the side wall of the rolling brush shaft 31 at the upper end of the photovoltaic panel 2 is provided with bristles, the bristles can be in contact with a working surface, contact dust removal is realized, and when the sliding is carried out, the tangential force direction of the contact point of the bristles and the working surface of the photovoltaic panel 2 is the same as the sliding direction of the sliding block 35 (or the rolling brush shaft), so that the relative moving speed between the bristles and the working surface is increased, and the cleaning effect is improved; when the air bag 39 is not pressurized, the sliding block is reset upwards by an elastic component, so that a tension spring or a rubber band (elastic rope) connected with the sliding block 35 is also arranged in the longitudinal beam 12 for resetting the sliding block 35 upwards; in order to avoid exposing the rolling brush in the uncleaned state, an accommodating groove 111 is provided on the upper beam 11 for hiding the rolling brush in the initial state, thereby preventing the rolling brush from being exposed to sunlight for a long time, further improving the service life and improving the aesthetic property.
The working process of the photovoltaic module capable of automatically removing dust is simply described below;
when cleaning is needed, the dust removing device is started, the air pump is started, compressed air at the output end of the air pump enters the working cavity 50 through the air inlet channel 50a of the valve body 5, the centrifugal impeller 7 in the working cavity 50 is pushed to rotate, the compressed air enters the buffer cavity 53 from the air outlet channel 50b of the side wall of the working cavity 50, and the buffer cavity 53 is communicated with the air inlet channel 56 of the side wall of the valve core cavity 54; in the process of rotating the centrifugal impeller 7, the pushing part 732 of the driving ring 73 at the lower end pushes the valve core 6 to move downwards and is communicated with the air inlet channel 56 and the air outlet channel 55 in the valve core cavity 54 where the valve core 6 is positioned, and a group of air injection holes communicated with the air outlet channel 55 on the air injection mechanism 4 are used for air injection and dust removal; the sprayed high-speed air covers the working surface (upper surface) of the whole photovoltaic panel 2 from top to bottom, so that dust removal is realized, and the air outlet direction of the sprayed air is basically flush with the upper surface of the photovoltaic panel 2; meanwhile, in the working process of the air pump, the rolling brush dust removal assembly 3 connected with the air pump through a pipeline works, specifically, the air bag 39 in the guide groove 360 is inflated to push the sliding block 35 to move downwards along the length direction of the guide groove 360, in the moving process, under the action of the racks and the pinions at the two ends of the rolling brush shaft 31, the rolling brush shaft rotates, the racks and pinions simultaneously play a role in synchronization at the two ends, in the process, the tangential force direction of the contact point of the bristles on the rolling brush shaft 31 and the working surface of the photovoltaic plate 2 is the same as the sliding direction of the sliding block (or the rolling brush shaft), a certain relative displacement is formed, the contact dust removal of the surface of the photovoltaic plate 2 is achieved, the rolling brush is cleaned from top to bottom, and at the moment, the air injection holes are used for synchronous spraying dust removal; after moving to the lower limit position, the air bag 39 stops air intake, and under the action of elasticity, the rolling brush (sliding block) moves upwards to reset and enters into the accommodating groove on the upper beam 11 to realize hiding, so that a cleaning process is completed.
The photovoltaic module capable of automatically removing dust is provided with the air injection mechanism, so that the covered air injection type dust removal can be carried out on the surface of the photovoltaic panel, the volume and the installation space are small, the dust removal efficiency is good, and the efficiency is high; the air injection holes are intermittent and staggered air injection, so that the air outlet area during simultaneous injection is reduced, the air outlet speed is improved, the air flow can form impact force, and meanwhile, the interference of compressed air at the outlet end due to too close can be avoided, the cleaning and dust removing effects and efficiency are improved, and the energy waste is avoided; the bottom surface of the outlet end of the air injection hole is provided with a spoiler, so that the sectional area of the air outlet is reduced, the air pressure is increased, the air speed of the air outlet is further increased, vacuum is formed at the position of the front end of the spoiler, the linearity of the air at two sides is improved, the injection distance is increased, and the air passing area on the photovoltaic panel is further increased; the frame type structure is adopted, so that the installation is convenient and labor-saving, the occupied space is small, the weight is light, and the cost is low; a dust removal flow guide area is formed between the two side beams of the frame and the upper surface of the photovoltaic panel, so that gas sprayed from the air injection mechanism can be guided, the influence of the diffusion of the gas from two sides on the cleaning effect is avoided, the fixed wind direction and wind pressure are formed in the dust removal flow guide area, the wind speed is improved, and the working surface of the upper surface of the photovoltaic panel is further dedusted; the air injection mechanism is arranged at the edge of the upper end of the photovoltaic panel and is inclined downwards relative to the ground, so that dust on the working surface of the photovoltaic panel can be blown down from top to bottom, and dust emission is avoided; the mechanical automatic reversing valve is arranged for pipeline switching, compressed gas is adopted for driving reversing, no circuit electrical appliance structure is adopted, the use is reliable and stable, the service life is long, meanwhile, the circuit safety problem is avoided, the processing is easy, the production cost is low, and the processing precision is high; the pushing part of the driving ring is designed, so that one of the air injection holes is in an air injection starting state before or at the moment when air injection is stopped, all the air outlet channels are in a blocking dead angle state at the moment of reversing, and the running smoothness, stability and reliability of the centrifugal impeller are improved; the air injection device adopts a plate body design, has small space, convenient processing, low cost and good injection effect; meanwhile, a rolling brush dust removing mechanism is arranged, so that brush hair contact type dust removal is realized, and the dust removing effect and efficiency are further improved; the rolling brush is driven by an air bag and matched with a gear rack to realize sliding and rotation, so that the rolling brush has a compact structure, no electrical components, safe and reliable use and long service life; when the brush rotates, the tangential force of the brush contact is the same as the moving direction of the brush contact, so that the relative moving speed between the brush and the working surface is increased, and the dust removal effect is good; the containing groove is arranged for hiding the rolling brush in an initial state, so that the rolling brush is prevented from being leaked in sunlight for a long time, the service life is long, and the attractiveness is high; the photovoltaic module capable of automatically removing dust has the advantages of compact structure, small volume, attractive appearance, convenient installation, high dust removal efficiency and good effect, greatly reduces the cost of dust removal operation and is suitable for popularization and use.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (8)
1. A photovoltaic module that can remove dust automatically, its characterized in that: the photovoltaic device comprises a photovoltaic plate (2) and a dust removing device (1) arranged at the edge of the photovoltaic plate (2), wherein a strip-shaped air injection mechanism (4) facing the photovoltaic plate (2) is arranged on the dust removing device (1), the air inlet end of the air injection mechanism (4) is connected with an air source, and the air outlet end (40) of the air injection mechanism (4) is strip-shaped and parallel or inclined to the photovoltaic plate (2) and can enable formed air flow to cover the working surface of the whole photovoltaic plate (2);
the dust removing device comprises a frame structure, wherein a mounting groove capable of accommodating the photovoltaic panel (2) to be clamped in for mounting the photovoltaic panel (2) is formed in the frame structure; the air injection mechanism (4) is arranged in the frame structure and positioned at the edge of the upper end of the photovoltaic panel (2), two sides of the frame structure are higher than the photovoltaic panel (2) and form wind shielding strips, and a dust removal flow guide area for removing dust on the working surface of the photovoltaic panel (2) is formed between the two wind shielding strips and the photovoltaic panel (2);
the air injection mechanism (4) is provided with a plurality of air injection holes which are positioned on the same straight line and are equidistantly arranged, the air injection mechanism (4) is connected with an air source after passing through a mechanical automatic reversing valve, and the air injection holes are used for intermittent air injection, and two adjacent air injection holes are used for staggered air injection.
2. The photovoltaic module capable of automatically removing dust according to claim 1, wherein: the air injection mechanism (4) comprises a strip-shaped shell, wherein a horizontal partition plate is arranged in the strip-shaped shell and divides the strip-shaped shell into an upper cavity and a lower cavity, first vertical partition plates (41) parallel to the width direction of the strip-shaped shell are arranged in the upper cavity, the number of the first vertical partition plates (41) is multiple and are equidistantly arranged along the length direction of the strip-shaped shell, an air outlet pipeline (410) is formed between every two adjacent first vertical partition plates (41), and the front ends of the air outlet pipelines (410) are open and form air injection holes; the lower cavity is internally provided with one or more second vertical partition plates (44) parallel to the length direction of the strip-shaped shell, the lower cavity is divided into n air inlet pipelines (440) by the second vertical partition plates (44), one end of each air inlet pipeline is provided with an air inlet, each air outlet pipeline (410) is selectively communicated with each air inlet pipeline (440) through an air hole (42) formed in the horizontal partition plate, and n adjacent air outlet pipelines (410) are communicated with different air inlet pipelines (440).
3. The photovoltaic module capable of automatically removing dust according to claim 2, wherein: the cross-sectional area of the gas inlet duct (440) is greater than or equal to the sum of the cross-sectional areas of the gas injection holes communicating therewith.
4. The photovoltaic module capable of automatically removing dust according to claim 1, wherein: the bottom surface of the outlet end of the air injection hole is provided with a vortex block (43), the vortex block (43) is of a conical structure with a large inner side and a small outer side, two ends of the vortex block (43) are arc-shaped surfaces, and two sides of the vortex block (43) are inclined surfaces.
5. The photovoltaic module capable of automatically removing dust according to claim 1, wherein: the mechanical automatic reversing valve comprises a valve body (5), a working cavity (50) with a circular cross section is formed in the valve body (5), an air inlet channel (50 a) and an air outlet channel (50 b) are formed in the side wall of the working cavity (50), n valve core cavities (54) are circumferentially and uniformly distributed on the bottom surface of the working cavity (50), the axis of each valve core cavity (54) is parallel to the axis of the corresponding working cavity (50), and a valve core (6) and an elastic component enabling the valve core (6) to have an outward movement trend are arranged in each valve core cavity (54); the side wall of each valve core cavity (54) is provided with an air inlet flow passage (56) and an air outlet flow passage (55), the air inlet flow passages (56) and the air outlet flow passages (55) are positioned on different radial surfaces, the air outlet flow passages (55) are communicated with an air outlet port which is formed in the side wall of the valve body and is used for being connected with the air injection mechanism (4), and the air inlet flow passages (56) are communicated with the air outlet channel (50 b); the working cavity (50) is internally and rotatably provided with a gas-driven centrifugal impeller (7) capable of accommodating the air inlet channel (50 a), the bottom surface of the centrifugal impeller (7) is provided with a driving ring (73), and the driving ring (73) can sequentially push the valve core (6) to move downwards along with the rotation of the centrifugal impeller (7) and is communicated with the air inlet channel (56) and the air outlet channel (55), so that staggered air outlet of the air outlet interface is realized.
6. The photovoltaic module capable of automatically removing dust according to claim 5, wherein: the driving ring (73) comprises a ring body (731) which is coaxial with the centrifugal impeller (7), n-1 bulges are circumferentially and uniformly distributed on the bottom surface of the ring body (731) and form a pushing part (732) for pushing the valve core (6) to move downwards, the end part of the pushing part (732) is an inclined surface or an arc surface and forms an inclined guide surface (733), and alpha-beta is more than or equal to 0 degree and less than or equal to 5 degrees, wherein alpha is a central angle formed by two ends of the pushing part (732) and the axis of the centrifugal impeller (7), and beta is an included angle between two adjacent valve core cavities (54).
7. The photovoltaic module capable of automatically removing dust according to claim 5, wherein: a cavity is formed in the valve body (5) and forms a buffer cavity (53), and the air outlet channel (50 b) is communicated with the air inlet channel (56) after passing through the buffer cavity (53).
8. The photovoltaic module capable of automatically removing dust according to claim 5, wherein: the novel photovoltaic panel dust removal device comprises a photovoltaic panel (2) and is characterized by further comprising a rolling brush dust removal assembly (3), the rolling brush dust removal assembly (3) comprises a rolling brush shaft (31), guide rods (36), a sliding block (35) and an air bag (39), the guide rods (36) are arranged in two longitudinal beams (12) of the frames on two sides of the photovoltaic panel (2) symmetrically, a hollow guide groove (360) is formed in each guide rod (36), a strip-shaped hole is formed in the side wall of each guide groove (360) in the longitudinal direction, the end portion of the rolling brush shaft (31) penetrates through the strip-shaped hole and is connected with a sliding block (35) which is slidably matched in the guide grooves (360) through a bearing so as to realize rotation and sliding, a gear (32) is fixed at the end portion of the rolling brush shaft (31), the gear (32) is meshed with a rack (37) which is fixed in the longitudinal beams (12), the air bag (39) are arranged in the guide grooves (360) and are connected with the sliding block (35) so as to drive the sliding block (35) to axially move, and when the sliding brush shaft (31) slides along the same tangential direction of a contact point of the photovoltaic panel (2).
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| CN117335740A (en) * | 2023-11-30 | 2024-01-02 | 国网甘肃省电力公司营销服务中心 | Distributed new energy storage equipment for optimizing user side configuration |
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| CN112682752A (en) * | 2021-01-14 | 2021-04-20 | 广西巨纳新能源有限公司 | Efficient self-cleaning solar street lamp |
| CN215528950U (en) * | 2021-08-16 | 2022-01-14 | 安徽东旭康图太阳能科技有限公司 | Solar photovoltaic board belt cleaning device |
| CN114900104A (en) * | 2022-04-16 | 2022-08-12 | 王万秀 | Photovoltaic panel system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117335740A (en) * | 2023-11-30 | 2024-01-02 | 国网甘肃省电力公司营销服务中心 | Distributed new energy storage equipment for optimizing user side configuration |
| CN117335740B (en) * | 2023-11-30 | 2024-02-23 | 国网甘肃省电力公司营销服务中心 | Distributed new energy storage equipment for optimizing user side configuration |
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