CN112491354A - Automatic cleaning device for solar chip photovoltaic panel - Google Patents

Automatic cleaning device for solar chip photovoltaic panel Download PDF

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Publication number
CN112491354A
CN112491354A CN202011331594.6A CN202011331594A CN112491354A CN 112491354 A CN112491354 A CN 112491354A CN 202011331594 A CN202011331594 A CN 202011331594A CN 112491354 A CN112491354 A CN 112491354A
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CN
China
Prior art keywords
shell
fixedly connected
fixed connection
outside
cleaning device
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011331594.6A
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Chinese (zh)
Inventor
吴若冰
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Zhuohan Software Development Wenzhou Co ltd
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Zhuohan Software Development Wenzhou Co ltd
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Application filed by Zhuohan Software Development Wenzhou Co ltd filed Critical Zhuohan Software Development Wenzhou Co ltd
Priority to CN202011331594.6A priority Critical patent/CN112491354A/en
Publication of CN112491354A publication Critical patent/CN112491354A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10Cleaning arrangements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention relates to the technical field of chip related equipment and discloses an automatic cleaning device for a solar chip photovoltaic panel, which comprises a first shell, wherein a rotating shell is movably connected inside the first shell, and a fluid shell is fixedly connected inside the rotating shell; under the interact through between all structures of this device, can make this device can carry out solar panel's washing operation night automatically, will avoid accumulating a large amount of dust on the photovoltaic board and influence the luminousness of photovoltaic board like this, thereby will make the generating efficiency of photovoltaic board better, this device cleans at night simultaneously, solar panel's generating efficiency just so can be guaranteed, and then also can make solar energy in the new forms of energy can obtain effectual utilization, and this device can make the machine automatically carry out the washing of photovoltaic board, so not only can labour saving and time saving, still can avoid people when cleaning the photovoltaic board and meet accident, and then will protect people's life safety.

Description

Automatic cleaning device for solar chip photovoltaic panel
Technical Field
The invention relates to the technical field of chip-related equipment, in particular to an automatic cleaning device for a solar chip photovoltaic panel.
Background
With the rapid development of science and technology, chips have been widely used in people's daily office life, however, the current solar chip photovoltaic power generation devices have more problems, such as the long-term exposure of the current solar panels to the air, a large amount of dust adheres to the surface of the photovoltaic panel, so that the light transmittance of the photovoltaic panel is reduced, the power generation efficiency of the photovoltaic power generation panel is reduced, and thus the solar energy can not be effectively utilized, and when a large amount of dust is accumulated on the surface of the photovoltaic panel, the surface of the solar panel needs to be cleaned manually, which not only wastes time and labor, but also has great difficulty in manual cleaning, therefore, a great deal of energy and time are consumed, and when the photovoltaic panel is manually wiped, accidents can occur, so that the life safety of people can be threatened.
Therefore, in order to solve the problems, an automatic cleaning device for the solar chip photovoltaic panel is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic cleaning device for a solar chip photovoltaic panel, which has the advantages of automatically cleaning the photovoltaic panel and having better cleaning effect, solves the problem that the existing solar panel is exposed in the air for a long time, a large amount of dust adheres to the surface of the photovoltaic panel, so that the light transmittance of the photovoltaic panel is reduced, the power generation efficiency of the photovoltaic power generation panel is reduced, and thus the solar energy can not be effectively utilized, and when a large amount of dust is accumulated on the surface of the photovoltaic panel, the surface of the solar panel needs to be cleaned manually, which not only wastes time and labor, but also has great difficulty in manual cleaning, thereby consuming a great deal of effort and time, and when the photovoltaic panel is manually wiped, accidents may occur, which threatens the life safety of people.
(II) technical scheme
In order to achieve the purpose of automatically cleaning the photovoltaic panel and achieving a good cleaning effect, the invention provides the following technical scheme: an automatic cleaning device for a solar chip photovoltaic panel comprises a first shell, wherein a rotating shell is movably connected inside the first shell, a fluid shell is fixedly connected inside the rotating shell, a movable block is movably connected inside the fluid shell, a telescopic spring is fixedly connected outside the movable block, an electrorheological body is arranged inside the fluid shell, a threaded rod is movably connected outside the rotating shell, a convex block is fixedly connected inside the threaded rod, a clockwork spring is fixedly connected inside the threaded rod, a cleaning shaft is movably connected outside the threaded rod, a photosensitive component is fixedly connected inside the first shell, an electromagnetic component is fixedly connected inside the first shell, a second shell is fixedly connected inside the first shell, an electromagnet is fixedly connected inside the second shell, a fixed spring is fixedly connected outside the electromagnet, an iron block is fixedly connected outside the fixed spring, and a sliding rod is fixedly connected outside the iron block, the outside of the slide bar is movably connected with a control turntable, the outside of the control turntable is fixedly connected with a water outlet pipe, and the outside of the water outlet pipe is movably connected with a water inlet pipe.
Preferably, expanding spring swing joint is in the inside of electrorheological fluid, and expanding spring's one end fixed connection is in the outside of movable block, and its other end fixed connection is in the inside of fluid shell, and the inside fixed connection of every fluid shell has two to lead electrical pillar, and the position of two electrical pillar is corresponding, and the specification of movable block and the specification phase-match of lug.
Preferably, a conducting wire is fixedly connected to the inside of the rotating shell, two ends of the conducting wire are respectively and fixedly connected to the outside of the conducting column in the two adjacent fluid shells, main materials of the electrorheological body are gypsum, lime, carbon powder and olive oil, the electrorheological body is in a solid state in an electrified state and in a liquid state in a non-electrified state with a specified current amount, and the amount of the electric current in the fluid shells accounts for two thirds of the whole space.
Preferably, the one end fixed connection of clockwork spring is in the inboard of threaded rod, and its other end fixed connection is in the inside of shell one, and photosensitive element mainly comprises photo resistance, shading shell and transparent shell, and shading shell fixed connection is in the inside of shell one, and the surface at the shading shell is inlayed to the transparent shell, and photo resistance swing joint is in the inside of shading shell.
Preferably, the electromagnetic component mainly comprises the N utmost point, the S utmost point, insulating casing, bar copper, movable rod, activity spring, and insulating casing fixed connection is in the inside of shell one, and the equal fixed connection of N utmost point and the S utmost point is in the inside of insulating casing, bar copper swing joint in the inside of insulating casing, and movable rod fixed connection is in the outside of bar copper, and activity spring fixed connection is in the outside of movable rod, and the specification homogeneous phase matching and the position homogeneous phase of the N utmost point, the S utmost point and bar copper correspond.
Preferably, slide bar swing joint is in the inside of shell two, control carousel swing joint is in the inside of shell two, and the slide bar, the electro-magnet, the iron plate all has two, the specification of iron plate and the specification phase-match of electro-magnet, and the inlet opening has been seted up on the surface of outlet pipe, the specification and the inlet tube phase-match of inlet opening, the outside swing joint of outlet pipe has the shower nozzle, and the outside fixedly connected with protruding round pin of control carousel, the outside fixedly connected with protruding pole of slide bar, form a recess between per two protruding poles, the specification of recess and the specification phase-match of protruding round pin, attract the iron plate and make the slide bar motion after the electro-magnet circular telegram, just so make the control carousel rotate ninety degrees, thereby make the inlet opening coincide with.
Preferably, the inner side of the rotating shell is fixedly connected with a first rotating rod, the first rotating rod is electrically connected with a driving power supply, the electromagnet and the conductive column are electrically connected with an external power supply, and the driving power supply, the external power supply, the photoresistor and the copper bar are electrically connected with a control center inside the chip.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic cleaning device for a solar chip photovoltaic panel, which has the following beneficial effects:
1. this automatic cleaning device to solar chip photovoltaic board, through the interact between all structures of this device under, can make this device can carry out solar panel's cleaning operation night automatically, will avoid accumulating a large amount of dust on the photovoltaic board and influence the luminousness of photovoltaic board like this, thereby will make the generating efficiency of photovoltaic board better, this device cleans at night simultaneously, just so can guarantee solar panel's generating efficiency, and then also can make solar energy in the new forms of energy can obtain effectual utilization, and this device can make the machine automatically carry out the washing of photovoltaic board, so not only can labour saving and time saving, still avoid people when cleaning the photovoltaic board and meet accident, and then will protect people's life safety.
2. This automatic cleaning device to solar chip photovoltaic board, through under the interact between shell two, the electro-magnet, fixed spring, the iron plate, the slide bar, the control carousel, the outlet pipe, the inlet tube, can be so that clean the axle when cleaning the photovoltaic board, intermittent type nature's water spray operation can be carried out automatically to this device, will make abluent effect better like this to just can guarantee the luminousness of photovoltaic board, and then just also can make the generating efficiency of photovoltaic board better.
Drawings
FIG. 1 is a schematic view of the present invention in partial cross section;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of the connection structure of the rotating case, the fluid case, the movable block, the extension spring, the electrorheological body, the threaded rod, the bump and the spring according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 at B according to the present invention;
FIG. 5 is a schematic view of the connection relationship between the second housing, the electromagnet, the fixed spring, the iron block, the slide rod, the control turntable and the water outlet pipe.
In the figure: 1. a first shell; 2. rotating the shell; 3. a fluid housing; 4. a movable block; 5. a tension spring; 6. an electrorheological fluid; 7. a threaded rod; 8. a bump; 9. a clockwork spring; 10. cleaning the shaft; 11. a photosensitive element; 12. an electromagnetic assembly; 13. a second shell; 14. an electromagnet; 15. fixing the spring; 16. an iron block; 17. a slide bar; 18. a control dial; 19. a water outlet pipe; 20. and (4) a water inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an automatic cleaning device for a solar chip photovoltaic panel includes a first housing 1, a rotating housing 2 is movably connected inside the first housing 1, a fluid housing 3 is fixedly connected inside the rotating housing 2, a movable block 4 is movably connected inside the fluid housing 3, a telescopic spring 5 is fixedly connected outside the movable block 4, an electrorheological body 6 is arranged inside the fluid housing 3, a conducting wire is fixedly connected inside the rotating housing 2, two ends of the conducting wire are respectively and fixedly connected to the outside of the conducting posts in two adjacent fluid housings 3, the electrorheological body 6 is made of gypsum, lime, carbon powder and olive oil, the electrorheological body 6 is in a solid state under an electrified state with a specified current amount, the electrorheological body 6 is in a liquid state under a non-electrified state, and the amount of the electrorheological body 6 inside the fluid housing 3 accounts for two thirds of the whole space.
The outside swing joint of changeing shell 2 has threaded rod 7, the inside fixedly connected with lug 8 of threaded rod 7, 5 swing joint of expanding spring in the inside of electrorheological body 6, and 5 one end fixed connection of expanding spring is in the outside of movable block 4, and its other end fixed connection is in the inside of fluid shell 3, and two fixedly connected with of the inside of every fluid shell 3 lead electrical pillar, and two positions of leading electrical pillar are corresponding, and the specification of movable block 4 and the specification phase-match of lug 8.
The inboard fixedly connected with clockwork spring 9 of threaded rod 7, the one end fixed connection of clockwork spring 9 is in the inboard of threaded rod 7, and its other end fixed connection is in the inside of shell 1, and photosensitive element 11 mainly comprises photo resistance, shading shell and transparent shell, and shading shell fixed connection is in the inside of shell 1, and the surface at the shading shell is inlayed to the transparent shell, and photo resistance swing joint is in the inside of shading shell.
The cleaning device comprises a threaded rod 7, a cleaning shaft 10, a photosensitive assembly 11, an electromagnetic assembly 12, an insulating shell, a copper rod, a movable rod and a movable spring, wherein the cleaning shaft 10 is movably connected to the outer part of the threaded rod 7, the photosensitive assembly 11 is fixedly connected to the inner part of a shell I1, the electromagnetic assembly 12 mainly comprises an N pole, an S pole, the insulating shell, the copper rod, the movable rod and the movable spring, the insulating shell is fixedly connected to the inner part of the shell I1, the N pole and the S pole are both fixedly connected to the inner part of the insulating shell, the copper rod is movably connected to the inner part of the insulating shell, the movable rod is fixedly connected to; the inner side of the rotating shell 2 is fixedly connected with a first rotating rod which is electrically connected with a driving power supply, the electromagnet 14 and the conductive column are electrically connected with an external power supply, and the driving power supply, the external power supply, the photoresistor and the copper bar are electrically connected with a control center inside the chip.
An electromagnetic component 12 is fixedly connected inside the first shell 1, a second shell 13 is fixedly connected inside the first shell 1, an electromagnet 14 is fixedly connected inside the second shell 13, a fixing spring 15 is fixedly connected outside the electromagnet 14, an iron block 16 is fixedly connected outside the fixing spring 15, a slide bar 17 is fixedly connected outside the iron block 16, a control turntable 18 is movably connected outside the slide bar 17, a water outlet pipe 19 is fixedly connected outside the control turntable 18, a water inlet pipe 20 is movably connected outside the water outlet pipe 19, the slide bar 17 is movably connected inside the second shell 13, the control turntable 18 is movably connected inside the second shell 13, two slide bars 17, the electromagnet 14 and two iron blocks 16 are provided, the specification of the iron block 16 is matched with that of the electromagnet 14, a water inlet hole is formed in the surface of the water outlet pipe 19, the specification of the water inlet hole is matched with that of the water inlet pipe 20, and a spray head is movably, and the outer part of the control turntable 18 is fixedly connected with a convex pin, the outer part of the slide bar 17 is fixedly connected with a convex rod, a groove is formed between every two convex rods, the specification of the groove is matched with that of the convex pin, the electromagnet 14 attracts the iron block 16 and moves the slide bar 17 after being electrified, so that the control turntable 18 rotates for ninety degrees, the position of the water inlet hole is superposed with that of the water inlet pipe 20, the device can automatically clean the solar panel at night under the interaction of all the structures of the device, the influence of a large amount of dust accumulated on the photovoltaic panel on the light transmittance of the photovoltaic panel can be avoided, the power generation efficiency of the photovoltaic panel can be better, meanwhile, the device cleans at night, the power generation efficiency of the solar panel can be ensured, and the solar energy in new energy can be effectively utilized, the device can automatically clean the photovoltaic panel, so that time and labor are saved, accidents caused by wiping of the photovoltaic panel by people can be avoided, and the life safety of people can be further protected; under the interact between through shell two 13, electro-magnet 14, fixed spring 15, iron plate 16, slide bar 17, control carousel 18, outlet pipe 19, inlet tube 20, can be so that clean axle 10 when cleaning the photovoltaic board, intermittent type nature's water spray operation can be carried out automatically to this device, will make abluent effect better like this to just can guarantee the luminousness of photovoltaic board, and then just also can make the generating efficiency of photovoltaic board better.
The working principle is that the device starts to be started, when the device is at night, the light sensitive resistor cannot sense external light, so that the control center can control an external power supply to supply power to the conductive columns, the conductive columns can enable the current variant 6 to be converted from a liquid state into a solid state after being electrified, and the solid current variant 6 can limit the movement of the movable block 4; meanwhile, the control center can also control a driving power supply to drive a rotating rod to rotate, one rotating rod drives a rotating shell 2 to rotate, the rotating shell 2 rotates to drive a fluid shell 3 to rotate, the fluid shell 3 rotates to drive a movable block 4 to rotate, when the movable block 4 rotates to a position corresponding to a lug 8, the movable block 4 rotates to drive the lug 8 to rotate under the action of a solid-state electrorheological body 6, the lug 8 rotates to drive a threaded rod 7 to rotate, and the threaded rod 7 rotates to drive a cleaning shaft 10 to move; meanwhile, the control center can also control an external power supply to supply power to the electromagnet 14, the electromagnet 14 attracts the iron block 16 and enables the iron block to move after being electrified, the iron block 16 moves to drive the sliding rod 17 to move, the sliding rod 17 moves to drive the control turntable 18 to rotate under the action of the convex pin and the groove, the control turntable 18 rotates to drive the water outlet pipe 19 to rotate, so that the position of the water inlet hole and the position of the water inlet pipe 20 coincide, and water in the water inlet pipe 20 flows into the water outlet pipe 19 and is sprayed out under the action of the spray head.
When the cleaning shaft 10 moves to a position corresponding to the electromagnetic assembly 12, the cleaning shaft 10 extrudes the movable rod and enables the movable rod to move, the movable rod moves to drive the copper rod to cut magnetic induction lines between the N pole and the S pole, so that the control center controls the driving power supply to stop driving the first rotating rod, meanwhile, the control center also controls the external power supply to stop supplying power to the electromagnet 14 and the conductive post, the electromagnet 14 does not attract the iron block 16 after being powered off, and similarly, under the action of the fixed spring 15, the water inlet hole and the water inlet pipe 20 are not overlapped, and the valve is closed; the current variant 6 can be changed into the liquid state from the solid state after the conducting post is powered off, the liquid current variant 6 does not limit the movement of the movable block 4, and similarly, under the action of the clockwork spring 9, the cleaning shaft 10 can be reset for cleaning, so that the cleaning effect is better under the action of double cleaning.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an automatic cleaning device to solar chip photovoltaic board, includes shell one (1), its characterized in that: the inner part of the first shell (1) is movably connected with a rotating shell (2), the inner part of the rotating shell (2) is fixedly connected with a fluid shell (3), the inner part of the fluid shell (3) is movably connected with a movable block (4), the outer part of the movable block (4) is fixedly connected with a telescopic spring (5), the inner part of the fluid shell (3) is provided with an electrorheological body (6), the outer part of the rotating shell (2) is movably connected with a threaded rod (7), the inner part of the threaded rod (7) is fixedly connected with a convex block (8), the inner side of the threaded rod (7) is fixedly connected with a clockwork spring (9), the outer part of the threaded rod (7) is movably connected with a cleaning shaft (10), the inner part of the first shell (1) is fixedly connected with a photosensitive component (11), the inner part of the first shell (1) is fixedly connected with an electromagnetic component (12), the inner part of, the external fixedly connected with fixed spring (15) of electro-magnet (14), the external fixedly connected with iron plate (16) of fixed spring (15), the external fixedly connected with slide bar (17) of iron plate (16), the outside swing joint of slide bar (17) has control carousel (18), the outside fixedly connected with outlet pipe (19) of control carousel (18), the outside swing joint of outlet pipe (19) has inlet tube (20).
2. The automatic cleaning device for the solar chip photovoltaic panel as claimed in claim 1, wherein: expansion spring (5) swing joint is in the inside of electrorheological body (6), and the one end fixed connection of expansion spring (5) is in the outside of movable block (4), and its other end fixed connection is in the inside of fluid shell (3), and two fixedly connected with of the inside of every fluid shell (3) lead electrical pillar, and two positions of leading electrical pillar are corresponding, and the specification of movable block (4) and the specification phase-match of lug (8).
3. The automatic cleaning device for the solar chip photovoltaic panel as claimed in claim 1, wherein: the inside of the rotating shell (2) is fixedly connected with a conducting wire, two ends of the conducting wire are respectively and fixedly connected to the outer parts of the conducting columns in the two adjacent fluid shells (3), main materials of the current variant (6) are gypsum, lime, carbon powder and olive oil, and the current variant (6) is in a solid state under an electrified state with a specified current amount and in a liquid state under a non-electrified state.
4. The automatic cleaning device for the solar chip photovoltaic panel as claimed in claim 1, wherein: one end fixed connection of clockwork spring (9) is in the inboard of threaded rod (7), and its other end fixed connection is in the inside of shell (1), and photosensitive element (11) mainly comprise photo resistance, shading shell and transparent shell, and shading shell fixed connection is in the inside of shell (1), and transparent shell inlays on the surface of shading shell, and photo resistance swing joint is in the inside of shading shell.
5. The automatic cleaning device for the solar chip photovoltaic panel as claimed in claim 1, wherein: electromagnetic component (12) mainly comprise the N utmost point, the S utmost point, insulating casing, bar copper, movable rod, activity spring, and insulating casing fixed connection is in the inside of shell (1), and the equal fixed connection of N utmost point and the S utmost point is in the inside of insulating casing, bar copper swing joint is in the inside of insulating casing, and movable rod fixed connection is in the outside of bar copper, and activity spring fixed connection is in the outside of movable rod, and the specification homogeneous phase matching and the position homogeneous phase of the N utmost point, the S utmost point and bar copper correspond.
6. The automatic cleaning device for the solar chip photovoltaic panel as claimed in claim 1, wherein: slide bar (17) swing joint is in the inside of shell two (13), control carousel (18) swing joint is in the inside of shell two (13), and slide bar (17), electro-magnet (14), iron plate (16) all have two, the specification of iron plate (16) and the specification phase-match of electro-magnet (14), and the inlet opening has been seted up on the surface of outlet pipe (19), the specification and inlet tube (20) phase-match of inlet opening, the outside swing joint of outlet pipe (19) has the shower nozzle, and the protruding round pin of outside fixedly connected with of control carousel (18), the outside fixedly connected with protruding pole of slide bar (17), form a recess between per two protruding poles, the specification of recess and the specification phase-match of protruding round pin.
7. The automatic cleaning device for the solar chip photovoltaic panel as claimed in claim 1, wherein: the inner side of the rotating shell (2) is fixedly connected with a first rotating rod which is electrically connected with a driving power supply, the electromagnet (14) and the conductive column are electrically connected with an external power supply, and the driving power supply, the external power supply, the photoresistor and the copper bar are electrically connected with a control center inside the chip.
CN202011331594.6A 2020-11-24 2020-11-24 Automatic cleaning device for solar chip photovoltaic panel Withdrawn CN112491354A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011331594.6A CN112491354A (en) 2020-11-24 2020-11-24 Automatic cleaning device for solar chip photovoltaic panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011331594.6A CN112491354A (en) 2020-11-24 2020-11-24 Automatic cleaning device for solar chip photovoltaic panel

Publications (1)

Publication Number Publication Date
CN112491354A true CN112491354A (en) 2021-03-12

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Application Number Title Priority Date Filing Date
CN202011331594.6A Withdrawn CN112491354A (en) 2020-11-24 2020-11-24 Automatic cleaning device for solar chip photovoltaic panel

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112413757A (en) * 2020-11-24 2021-02-26 温州声约贸易有限公司 Intelligent cleaning and degerming device for closed central air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112413757A (en) * 2020-11-24 2021-02-26 温州声约贸易有限公司 Intelligent cleaning and degerming device for closed central air conditioner

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Application publication date: 20210312