CN113054900A - Solar module protection and cleaning integrated device and working method thereof - Google Patents

Solar module protection and cleaning integrated device and working method thereof Download PDF

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Publication number
CN113054900A
CN113054900A CN202110519042.6A CN202110519042A CN113054900A CN 113054900 A CN113054900 A CN 113054900A CN 202110519042 A CN202110519042 A CN 202110519042A CN 113054900 A CN113054900 A CN 113054900A
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CN
China
Prior art keywords
shielding plate
shielding
cleaning
power generation
photovoltaic
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Pending
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CN202110519042.6A
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Chinese (zh)
Inventor
李腾
高培鑫
张立英
邓明基
高建辉
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Huaneng Clean Energy Research Institute
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Huaneng Clean Energy Research Institute
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Priority to CN202110519042.6A priority Critical patent/CN113054900A/en
Publication of CN113054900A publication Critical patent/CN113054900A/en
Pending 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
    • 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
    • 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 discloses a solar module protection and cleaning integrated device and a working method thereof, wherein the solar module protection and cleaning integrated device comprises a photovoltaic power generation body system, a rotary lifting shielding system, an automatic cleaning system and an energy storage system, wherein the photovoltaic power generation body system is used for converting solar energy into electric energy, and redundant grid-connected electricity provides power electric energy for the device; the rotary lifting shielding system is installed on the photovoltaic power generation body system and used for shielding and blocking the influence of severe weather such as sand, dust, rain, snow and the like on the power generation body system during working. The automatic cleaning system is arranged on the back face of the shielding plate of the rotary lifting system and used for cleaning sundries on the surface of the photovoltaic assembly of the power generation body, and the energy storage system stores photovoltaic electric energy and provides electric energy for electric equipment in the device according to a control instruction. The invention has the characteristics of no need of manual field operation, high cleaning efficiency, in-place cleaning and the like. The scheme for solving the problem that the accumulated snow of the photovoltaic module covers the dust and sand is more efficient and practical for the photovoltaic power station.

Description

Solar module protection and cleaning integrated device and working method thereof
Technical Field
The invention belongs to the field of new energy photovoltaic power generation application, and particularly relates to a solar module protection and cleaning integrated device and a working method thereof.
Background
Since the global oil crisis outbreak in the 70 th 20 th century, the solar photovoltaic power generation technology draws high attention, and the photovoltaic industry develops rapidly in the world. The installed capacity of photovoltaic power generation is rapidly increased from 135.76GW of 2013 to 480.36GW of 2018, the installed capacity is shortened by 5 years, and 3.5 times of increase is achieved.
Because photovoltaic modules are exposed to outdoor open environment for a long time, the photovoltaic modules are seriously influenced by extreme weather, and snow and sand are the most representative. If thick and heavy accumulated snow is accumulated on the photovoltaic module after snowing, the photovoltaic panel can be influenced to absorb solar radiation, the generated energy is reduced, snow water formed by melting the accumulated snow can damage the panel, and faults of the photovoltaic power generation system are generated. Therefore, the photovoltaic module needs to be cleaned in time if the snow is accumulated heavily. The photovoltaic project can operate under the bad sand and dust environment sometimes, and the surface of the photovoltaic panel can not be cleaned in time sometimes, so that a thick layer of dust is accumulated on the surface of the photovoltaic panel sometimes, the dust is attached to the surface of the photovoltaic panel, the light transmittance is reduced, the current generated energy is influenced, the acid and alkali dust is adhered to the photovoltaic panel and corrodes a glass cover plate, the photovoltaic panel can be damaged irreversibly, and the conversion efficiency of a photovoltaic module is reduced for a long time.
The conventional snow and ash removing method adopts a manual snow and ash removing mode, and has the risks of worker maintenance, severe working environment, low cleaning efficiency, incomplete cleaning, component damage in the cleaning process and the like.
Disclosure of Invention
The solar module protection and cleaning integrated device can be started quickly, protects a photovoltaic module from being damaged by extreme weather (snow and dust), can efficiently realize the snow removing effect on the surface of the module, does not need manual field operation, has high cleaning efficiency and does not leave dead angles.
In order to achieve the purpose, the invention adopts the technical scheme that: a solar module protection and cleaning integrated device comprises a photovoltaic power generation body system, a rotary lifting shielding system, an automatic cleaning system and an energy storage system; the photovoltaic power generation body system is used for converting solar energy into electric energy, and an electric energy output end of the photovoltaic power generation body system is connected with an electric energy input end of the energy storage system; the automatic cleaning system is arranged on the back of the baffle plate of the rotary lifting system and used for cleaning sundries on the surface of the photovoltaic module of the power generation body; the energy storage system provides electric energy for electric equipment in the rotary lifting shielding system and the automatic cleaning system; the rotary lifting shielding system comprises a rotating shaft, a lifting telescopic rod and a shielding plate; the rotation axis is connected with photovoltaic module's metal frame side swivelling joint, and liftable telescopic link is connected with the rotation axis, and liftable telescopic link's flexible end and shielding plate are connected.
The photovoltaic power generation body system comprises a power generation element photovoltaic assembly, a metal frame wrapping and fixing the power generation element photovoltaic assembly, a support and a foundation for supporting the power generation element photovoltaic assembly, a direct current line for transmitting direct current electric energy generated by the photovoltaic assembly and an inversion boosting device for inverting and boosting; the metal frame sets up on support and basis, and photovoltaic module's output passes through the input of direct current line connection contravariant boosting equipment.
The size and the shape of the shielding plate are consistent with those of the photovoltaic module; the shielding plate comprises a first layer of shielding plate and a second layer of shielding plate, a plurality of staggered through holes are formed in the first layer of shielding plate and the second layer of shielding plate, when the two layers of shielding plates are overlapped, the through holes in the first layer of shielding plate and the through holes in the second layer of shielding plate are distributed in a staggered mode, and the first layer of shielding plate and the second layer of shielding plate are connected in a sliding mode.
A bidirectional rotating motor is arranged between the first layer of shielding plate and the second layer of shielding plate, the bidirectional rotating motor is installed on the inner side of the first layer of shielding plate, a gear is arranged on an output shaft of the bidirectional rotating motor, a rack is arranged on the second layer of shielding plate, and the gear is meshed with the rack.
The automatic cleaning system comprises a cleaning sponge block and a sliding fixing frame wrapping the sponge block; the sliding fixing frame is installed on the back of the second layer of shielding plate and connected with a reciprocating translation mechanism.
Reciprocating translation mechanism includes motor and extension spring, and fixed frame and liftable telescopic link of sliding are connected respectively at extension spring's both ends, and the output shaft of motor is provided with the winding rope, and the output shaft of motor is connected to the one end of winding rope, and the fixed frame that slides is connected to the other end, and the both ends of shielding plate all set up reciprocating translation mechanism.
The energy storage system comprises an energy storage battery and a relay, the relay is connected on a direct current circuit in front of the inversion boosting system, a power circuit connected with the energy storage battery is arranged, and a control signal input end of the relay is connected with an output end of the remote control system.
The middle part of the lifting telescopic rod is connected with the rotating shaft, and the lifting telescopic rod can enable the shielding plate to be closer to the surface of the photovoltaic module of the power generation element more easily when the lifting telescopic rod retracts.
The working method of the solar module protection and cleaning integrated device comprises the following protection and cleaning processes:
in the shielding protection stage: when weather is bad and the device needs to be started to provide protection for the photovoltaic module, a rotating shaft motor of the rotary lifting shielding system rotates to enable the rotary lifting shielding system to rotate to a shielding position from an initial position, namely the back of the photovoltaic module of the power generation element, namely the front of the photovoltaic module of the power generation element, the energy storage battery drives the lifting telescopic rod motor to operate to enable the shielding plate to descend to a lower limit position to stop, namely the cleaning sponge block is in contact with the surface of the photovoltaic module, and the shielding system is arranged on the photovoltaic module of the power generation element;
in the automatic cleaning stage: the energy storage battery is controlled to supply power to the sliding fixed frame motor, so that the sliding fixed frame completes reciprocating motion of the sliding fixed frame under the coordination of the reciprocating translation mechanism, the cleaning sponge block is driven to move, the cleaning sponge block is in contact with the photovoltaic module of the power generation element, and the surface of the photovoltaic module is cleaned through reciprocating motion of the cleaning sponge block;
and returning to the original position stage: after cleaning, the lifting telescopic rod motor runs to enable the shielding plate to ascend to the upper limiting position to stop, and finally the energy storage system provides electric energy to enable the rotating shaft motor of the rotary lifting shielding system to rotate, so that the rotary lifting shielding system returns to the initial position from the shielding position, and shielding protection and withdrawing processes are completed.
In the self-cleaning stage, if leave over the ice and snow on the first layer shielding plate, take place relative motion when second floor shielding plate and first layer shielding plate, when the through-hole coincidence on first layer shielding plate and the second floor shielding plate, make its first layer shielding plate surface ice and snow melt to flow to the back after the water, flow and enter into the clean sponge piece behind the back, rethread control energy storage battery is the motor power supply of the fixed frame of sliding, make the fixed frame of sliding under extension spring's cooperation, accomplish reciprocating motion, thereby drive the removal of clean sponge piece, accomplish clean function under ice and snow water auxiliary action.
Compared with the prior art, the invention has at least the following beneficial effects:
the device for protecting the solar power generation assembly quickly and efficiently is realized, the photovoltaic assembly is guaranteed not to be influenced by severe weather for a long time, snow and dust on the surface of the assembly can be efficiently removed, manual field inspection, cleaning and maintenance are omitted, the cleaning efficiency is high, dead corners are avoided, the replacement times can be obviously reduced, the maintenance cost is reduced, the automation of the whole cleaning process is facilitated, and the timeliness of field maintenance is further improved.
Furthermore, the invention has the function of automatic cleaning, utilizes the existing rain and snow resources, can realize waste utilization, saves the resource utilization and reduces the operation and maintenance cost.
When the solar module protection and cleaning integrated device works, the power generation element photovoltaic module can be protected and cleaned, when dust and sundries need to be blocked, the shielding plate is blocked above the power generation element photovoltaic module, and when the surface of the power generation element photovoltaic module needs to be cleaned, the shielding plate drives the cleaning sponge block to descend to the surface of the power generation element photovoltaic module and clean the surface of the power generation element photovoltaic module, so that the surface of the power generation element photovoltaic module can be kept clean and clean, and remote control switching work can be realized.
Drawings
FIG. 1 is a side view of the overall structure of the device of the present invention.
FIG. 2 is a schematic diagram of the DC line connection of the power generation main body of the device of the present invention viewed from above.
FIG. 3 is a schematic view of the structure of two layers of shielding plates of the device of the present invention.
The photovoltaic power generation device comprises a photovoltaic power generation body system 1, a rotary lifting shielding system 2, an automatic cleaning system 3, an energy storage system 4, a power generation element photovoltaic assembly 1-1, a metal frame 1-2, a support and a foundation 1-3, a direct current circuit 1-4, an inverter boosting device 1-5, a rotating shaft 2-1, a lifting telescopic rod 2-2, a shielding plate 2-3, a first layer shielding plate 2-3-1, a second layer shielding plate 2-3-2, a through hole 2-4, a cleaning sponge block 3-1, a sliding fixing frame 3-2, a tension spring 3-3 and a relay 4-1.
Detailed Description
The overall structure and operation of the present invention will be described in detail with reference to the accompanying drawings.
Referring to the attached drawing 1, the invention designs an integrated device for protecting and cleaning a solar module, which comprises a photovoltaic power generation body system 1, a rotary lifting shielding system 2, an automatic cleaning system 3 and an energy storage system 4; the photovoltaic power generation body system 1 is used for converting solar energy into electric energy, and is used for grid-connected power generation or providing power electric energy for the device; the rotary lifting shielding system 2 is installed on the photovoltaic power generation body system 1 and used for shielding and blocking sand, dust, rain and snow during working, and influences of severe weather on the power generation body system are reduced. The automatic cleaning system 3 is arranged on one surface, close to the power generation element photovoltaic assembly 1-1, of the shielding plate of the rotary lifting system 2 and used for cleaning sundries on the surface of the power generation body photovoltaic assembly, and the energy storage system 4 stores photovoltaic electric energy and provides electric energy for electric equipment in the device.
Referring to fig. 1, specifically, a photovoltaic power generation body system 1 includes a power generation element photovoltaic module 1-1, a metal frame 1-2 wrapping and fixing the power generation element photovoltaic module 1-1, a support and a foundation 1-3 for supporting the photovoltaic module, a direct current line 1-4 for transmitting direct current power generated by the power generation element photovoltaic module 1-1, and an inversion boosting device 1-5 for inversion and boosting; the metal frame 1-2 is arranged on the support and the foundation 1-3, and the output end of the transmission power generation element photovoltaic assembly 1-1 is connected with the input end of the inversion boosting device 1-5 through a streamline 1-4.
Referring to fig. 1 and 2, the rotary lifting shielding system 2 comprises a rotating shaft 2-1, a lifting telescopic rod 2-2 and a shielding plate 2-3, wherein the rotating shaft 2-1 is installed on the side edge of a metal frame 1-2 of a photovoltaic module and is connected with the lifting telescopic rod 2-2, the other end of the lifting telescopic rod 2-2 is connected with the shielding plate 2-3, and the size of the shielding plate 2-3 is consistent with that of the photovoltaic module 1-1 of a power generation element. The shielding plates 2-3 are arranged into an upper layer and a lower layer, namely a first layer shielding plate 2-3-1 and a second layer shielding plate 2-3-2, a plurality of through holes 2-4 are formed in the first layer shielding plate 2-3-1 and the second layer shielding plate 2-3-2, the first layer shielding plate 2-3-1 and the second layer shielding plate 2-3-2 can be connected in a sliding mode, when the second layer shielding plate 2-3-2 moves and the first layer shielding plate 2-3-1 and the second layer shielding plate 2-3-2 are overlapped, snow and ice on the surface and the outer layer of the shielding plate can flow into water and then flow into the back surface, and reference is made to fig. 3.
The middle part of the lifting telescopic rod 2-2 is connected with the rotating shaft 2-1, and when the lifting telescopic rod 2-2 retracts, the baffle plate 2-3 can be more easily close to the surface of the photovoltaic component 1-1 of the power generation element.
A bidirectional rotating motor is arranged between the first layer of shielding plate 2-3-1 and the second layer of shielding plate 2-3-2, the bidirectional rotating motor is arranged on the first layer of shielding plate 2-3-1, an output shaft of the bidirectional rotating motor is provided with a gear, a rack is arranged on the second layer of shielding plate 2-3-2, and the gear is meshed with the rack.
The front side of the photovoltaic component 1-1 of the power generation main body is the side irradiated by sunlight, and the back side of the photovoltaic component 1-1 of the power generation main body is the side of the photovoltaic component 1-1 of the power generation main body which is backlit.
The reciprocating translation mechanism comprises a motor and an extension spring 3-3, two ends of the extension spring 3-3 are respectively connected with a sliding fixing frame 3-2 and a shielding plate 2-3, an output shaft of the motor is provided with a winding rope, one end of the winding rope is connected with the output shaft of the motor, the other end of the winding rope is connected with the sliding fixing frame 3-2, after the motor is started, the winding rope winds the sliding fixing frame 3-2 on the output shaft of the motor to pull to translate, after the motor stops, the extension spring 3-3 pulls the sliding fixing frame 3-2 to translate reversely, as the optimization, the two ends of the shielding plate 2-3 are respectively provided with the motor, an energy storage system 4 provides electric energy for the motor, and a control signal input end of the motor.
The automatic cleaning system 3 comprises a cleaning sponge block 3-1, a sliding fixing frame 3-2 of the sponge block and an extension spring 3-3, wherein the sliding fixing frame 3-2 is installed on the back of the shielding plate 2-3, and the sliding fixing frame 3-2 is connected with the extension spring 3-3. The sliding fixed frame 3-2 can reciprocate under the assistance of the extension spring 3-3 after being electrified; when the telescopic rod 2-2 capable of lifting is compressed to the lower limit, the cleaning sponge block 3-1 is in contact with the surface of the photovoltaic component 1-1 of the power generation element, and the cleaning sponge block 3-1 is driven to move on the surface of the photovoltaic component through the back and forth movement of the sliding fixing frame 3-2, so that the effect of cleaning the surface of the photovoltaic component is achieved.
Optionally, the lifting telescopic rod 2-2 is an electric telescopic rod.
The energy storage system 4 comprises an energy storage battery and a relay 4-1, the energy storage system 4 provides electric energy for the electric equipment, and the electric equipment comprises a telescopic rod 2-2 capable of being lifted, a motor of a rotating shaft 2-1 and a motor of an electric installation frame 3-2. The relay 4-1 is connected to a direct current 1-4 circuit in front of the inversion boosting system 1-5, a power circuit connected with the energy storage battery is added, the control input end of the relay 4-1 is further connected with the output end of the background control system, the working switching state of the relay 4-1 can be controlled through the background, the current transmission circuit can be switched at any time to charge the energy storage battery, and the output end of the energy storage battery is connected with the electric energy input end of the electric equipment to enable the electric equipment to move.
The invention comprises the following steps of protection, cleaning and return, and the specific process is as follows:
a shielding protection stage: when bad weather occurs and the device needs to be started to provide protection for the photovoltaic module, a motor of a rotating shaft 2-1 of the rotary lifting shielding system 2 rotates to enable the rotary lifting shielding system 2 to rotate from an initial position, namely the back of the photovoltaic module 1-1 of the power generation main body rotates to the front of the photovoltaic module 1-1 of the power generation main body at a shielding position, a motor of a lifting telescopic rod 2-2 operates to enable a shielding plate to descend to a lower limit position to stop, namely the cleaning sponge block 3-1 slightly contacts with the surface of the photovoltaic module, a set of shielding system 2 is placed in front of the photovoltaic module 1-1 of the power generation main body, and direct damage of the bad weather to the surface of the photovoltaic module is reduced.
And (3) an automatic cleaning stage: when bad weather passes, if a little rain and snow is left on the shielding plates 2-3, the energy storage battery is controlled to supply power to the motor of the second layer of shielding plates 2-3-2 to enable the motor to move, and when the through holes 2-4 on the surfaces of the two layers of shielding plates are overlapped, snow and ice on the surface of the first layer of shielding plate 2-3-1 flow into water and then flow into the back. The cleaning sponge block 3-1 enters the back side after flowing into the back side, and then the energy storage battery is controlled to supply power to the motor of the sliding fixing frame 3-2, so that the sliding fixing frame 3-2 completes up-and-down back-and-forth movement under the cooperation of the extension spring 3-3, and the cleaning sponge block 3-1 is driven to move up and down. The cleaning sponge block 3-1 just slightly contacts with the photovoltaic component 1-1 of the power generation element, and the purpose of cleaning the surface of the photovoltaic component is achieved through the up-down movement and the back-up movement of the cleaning sponge block.
Returning to the initial position: after cleaning, the energy storage battery is controlled to supply power to the second layer of shielding plate 2-3-2 motor of the lifting shielding system 2 to enable the second layer of shielding plate to move to close the through holes 2-4 on the surfaces of the two layers of shielding plates, the lifting telescopic rod 2-2 motor is controlled to operate to enable the shielding plates to ascend to the upper limit position to stop, namely the cleaning sponge block 3-1 is far away from the surface of the photovoltaic component, and finally the energy storage battery is controlled to enable the rotating shaft 2-1 motor of the rotating lifting shielding system 2 to rotate to enable the rotating lifting shielding system 2 to return to the initial position from the shielding position, namely the front side of the power generation main body photovoltaic component 1-1, namely the back side of the power generation main body photovoltaic component 1-1, so that shielding protection and.

Claims (10)

1. A solar module protection and cleaning integrated device is characterized by comprising a photovoltaic power generation body system (1), a rotary lifting shielding system (2), an automatic cleaning system (3) and an energy storage system (4); the photovoltaic power generation body system (1) is used for converting solar energy into electric energy, and an electric energy output end of the photovoltaic power generation body system (1) is connected with an electric energy input end of the energy storage system (4); the rotary lifting shielding system (2) is arranged on the photovoltaic power generation body system (1), and the automatic cleaning system (3) is arranged on the back of the shielding plate of the rotary lifting system (2) and used for cleaning sundries on the surface of the photovoltaic module of the power generation body; the energy storage system (4) provides electric energy for the electric equipment in the rotary lifting shielding system (2) and the automatic cleaning system (3); the rotary lifting shielding system (2) comprises a rotating shaft (2-1), a lifting telescopic rod (2-2) and a shielding plate (2-3); the rotating shaft (2-1) is rotatably connected with the side edge of the metal frame (1-2) of the photovoltaic module, the lifting telescopic rod (2-2) is connected with the rotating shaft (2-1), and the telescopic end of the lifting telescopic rod (2-2) is connected with the baffle plate (2-3).
2. The solar component protection and cleaning integrated device according to claim 1, wherein the photovoltaic power generation body system (1) comprises power generation element photovoltaic components (1-1), a metal frame (1-2) wrapping and fixing the power generation element photovoltaic components (1-1), a support and a foundation (1-3) for supporting the power generation element photovoltaic components, a direct current line (1-4) for transmitting direct current power generated by the photovoltaic components (1-1), and inversion boosting equipment (1-5) for inversion and boosting; the metal frame (1-2) is arranged on the support and the foundation (1-3), and the output end of the photovoltaic assembly (1-1) is connected with the input end of the inversion boosting equipment (1-5) through the direct current line (1-4).
3. The solar module protection and cleaning integrated device according to claim 1, wherein the size and shape of the shielding plate (2-3) are consistent with those of the photovoltaic module (1-1); the shielding plates (2-3) comprise a first layer of shielding plate (2-3-1) and a second layer of shielding plate (2-3-2), a plurality of staggered through holes (2-4) are formed in the first layer of shielding plate (2-3-1) and the second layer of shielding plate (2-3-2), when the two layers of shielding plates are overlapped, the through holes (2-4) in the first layer of shielding plate (2-3-1) and the second layer of shielding plate (2-3-2) are distributed in a staggered mode, and the first layer of shielding plate (2-3-1) and the second layer of shielding plate (2-3-2) are connected in a sliding mode.
4. The solar module protection and cleaning integrated device as claimed in claim 3, wherein a bidirectional rotating motor is arranged between the first layer of shielding plate (2-3-1) and the second layer of shielding plate (2-3-2), the bidirectional rotating motor is arranged on the inner side of the first layer of shielding plate (2-3-1), an output shaft of the bidirectional rotating motor is provided with a gear, and the second layer of shielding plate (2-3-2) is provided with a rack which is meshed with the gear.
5. The solar module protection and cleaning integrated device according to claim 1, wherein the automatic cleaning system (3) comprises a cleaning sponge block (3-1) and a sliding fixing frame (3-2) wrapping the sponge block; the sliding fixed frame (3-2) is arranged on the back of the second layer of shielding plate (2-3-2), and the sliding fixed frame (3-2) is connected with a reciprocating translation mechanism.
6. The solar module protection and cleaning integrated device according to claim 5, wherein the reciprocating translation mechanism comprises a motor and an extension spring (3-3), two ends of the extension spring (3-3) are respectively connected with a sliding fixed frame (3-2) and a lifting telescopic rod (2-2), an output shaft of the motor is provided with a winding rope, one end of the winding rope is connected with the output shaft of the motor, the other end of the winding rope is connected with the sliding fixed frame (3-2), and two ends of the shielding plate (2-3) are respectively provided with the reciprocating translation mechanism.
7. The solar module protection and cleaning integrated device according to claim 1, wherein the energy storage system (4) comprises an energy storage battery and a relay (4-1), the relay (4-1) is connected to a direct current (1-4) line in front of the inverter boosting system (1-5), a power line connected with the energy storage battery is arranged, and a control signal input end of the relay (4-1) is connected with an output end of a remote control system.
8. The solar module protection and cleaning integrated device as claimed in claim 1, wherein the middle part of the telescopic rod (2-2) is connected with the rotating shaft (2-1), and when the telescopic rod (2-2) retracts, the shielding plate (2-3) can be more easily close to the surface of the photovoltaic module (1-1).
9. The working method of the solar module protection and cleaning integrated device as claimed in any one of claims 1-8, is characterized by comprising the following protection and cleaning processes:
in the shielding protection stage: when weather is bad and the device needs to be started to provide protection for the photovoltaic module, a motor of a rotating shaft (2-1) of a rotating lifting shielding system (2) rotates to enable the rotating lifting shielding system (2) to rotate to a shielding position from an initial position, namely the back of the power generation element photovoltaic module (1-1), namely the front of the power generation element photovoltaic module (1-1), an energy storage battery drives a motor of a lifting telescopic rod (2-2) to operate to enable a shielding plate to descend to a lower limit position to stop, namely a cleaning sponge block (3-1) is in contact with the surface of the photovoltaic module, and a set of shielding system (2) is arranged on the power generation element photovoltaic module (1-1);
in the automatic cleaning stage: the energy storage battery is controlled to supply power to the motor of the sliding fixed frame (3-2), so that the sliding fixed frame (3-2) completes the reciprocating motion of the sliding fixed frame (3-2) under the coordination of the reciprocating translation mechanism, the cleaning sponge block (3-1) is driven to move, the cleaning sponge block (3-1) is in contact with the photovoltaic module (1-1) of the power generation element, and the surface of the photovoltaic module is cleaned through the reciprocating motion of the cleaning sponge block (3-1);
and returning to the original position stage: after cleaning, the motor of the lifting telescopic rod (2-2) operates to enable the shielding plate (2-3) to ascend to the upper limit position to stop, and finally the energy storage system (4) provides electric energy to enable the motor of the rotating shaft (2-1) of the rotating lifting shielding system (2) to rotate, so that the rotating lifting shielding system (2) returns to the initial position from the shielding position, and the shielding protection and withdrawing process is completed.
10. The working method of claim 9, characterized in that in the automatic cleaning stage, if snow and ice are left on the first layer of shielding plate (2-3-1), when the second layer of shielding plate (2-3-2) and the first layer of shielding plate (2-3-1) move relatively, when the through holes (2-4) on the first layer of shielding plate (2-3-1) and the second layer of shielding plate (2-3-2) coincide, the snow and ice on the surface of the first layer of shielding plate (2-3-1) are melted into water and then flow to the back surface, and then flow to the cleaning sponge block (3-1), and then the energy storage battery is controlled to supply power to the motor of the sliding fixing frame (3-2), so that the sliding fixing frame (3-2) is matched with the tension spring (3-3), the cleaning sponge block (3-1) is driven to move after reciprocating movement is finished, and the cleaning function is finished under the auxiliary action of ice, snow and water.
CN202110519042.6A 2021-05-12 2021-05-12 Solar module protection and cleaning integrated device and working method thereof Pending CN113054900A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114172454A (en) * 2021-11-30 2022-03-11 中国华能集团清洁能源技术研究院有限公司 Film photovoltaic module device capable of being automatically replaced

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114172454A (en) * 2021-11-30 2022-03-11 中国华能集团清洁能源技术研究院有限公司 Film photovoltaic module device capable of being automatically replaced
CN114172454B (en) * 2021-11-30 2023-06-27 中国华能集团清洁能源技术研究院有限公司 Film photovoltaic module device capable of being automatically replaced

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