WO2015132816A1 - Dispositif de lavage de panneau de génération d'énergie solaire - Google Patents

Dispositif de lavage de panneau de génération d'énergie solaire Download PDF

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Publication number
WO2015132816A1
WO2015132816A1 PCT/JP2014/001188 JP2014001188W WO2015132816A1 WO 2015132816 A1 WO2015132816 A1 WO 2015132816A1 JP 2014001188 W JP2014001188 W JP 2014001188W WO 2015132816 A1 WO2015132816 A1 WO 2015132816A1
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WO
WIPO (PCT)
Prior art keywords
cleaning
moving
power generation
panel
fixed guide
Prior art date
Application number
PCT/JP2014/001188
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English (en)
Japanese (ja)
Inventor
良平 上瀧
大介 貝應
Original Assignee
プロトラスト株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by プロトラスト株式会社 filed Critical プロトラスト株式会社
Priority to PCT/JP2014/001188 priority Critical patent/WO2015132816A1/fr
Priority to JP2016505934A priority patent/JP6292685B2/ja
Publication of WO2015132816A1 publication Critical patent/WO2015132816A1/fr

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/20—Cleaning; Removing snow
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10—Cleaning arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • 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

Definitions

  • the present invention relates to a cleaning device for cleaning a photovoltaic power generation panel that generates power using solar energy, and in particular, efficiently cleans the entire surface of the solar panel and moves the cleaning device main body during cleaning.
  • the present invention relates to a photovoltaic power generation panel cleaning device that facilitates maintenance by simplifying control.
  • Photovoltaic panels come in a variety of scales, shapes, specifications, and standards, ranging from small panels for personal use to large-scale commercial photovoltaic panels for large-scale power generation. Yes.
  • the basic principle of a photovoltaic power generation panel is to generate electricity by the photovoltaic effect using photons, and since the electromotive force is generated by irradiating the panel with sunlight, even if the power generation efficiency is high, dirt is generated. If the light is blocked by dust or dirt, the power generation efficiency may be reduced or power generation may be disabled.
  • Japanese Unexamined Patent Application Publication No. 2011-36833 exists as a technique for solving such problems.
  • a technique for cleaning the upper surface of the solar cell panel body with water by operating a moving body equipped with a water storage tank, a rotating brush, and a discharge pump by driving one moving motor is disclosed.
  • the cleaning device rides directly on the solar cell panel, and a load is applied to the panel.
  • the silicon wafer of the solar cell panel may be damaged.
  • there is a possibility that the panel surface may be wiped off, and it is difficult to perform uniform cleaning.
  • the applicant who is the inventor of the present invention is also the applicant of Japanese Patent Application Laid-Open No. 2014-22524.
  • the invention before the improvement includes a pair of upper and lower fixed guide rails, a moving frame including a pair of left and right moving guide rails, and a cleaning body attached to the moving frame.
  • the cleaning body is a non-contact power including a magnetic member.
  • a technique is disclosed that is configured to be movable up and down and left and right by a transmission mechanism.
  • the present invention is a cleaning device for cleaning a photovoltaic power generation panel that generates power using sunlight energy, and in particular, automatically cleans the entire surface of the solar panel efficiently.
  • the present invention relates to a photovoltaic power panel cleaning device with low power consumption that facilitates maintenance by simplifying movement control during cleaning of the cleaning device body.
  • a photovoltaic panel cleaning apparatus includes a pair of upper and lower fixed guide rails provided along the upper and lower ends of the photovoltaic panel, and the upper and lower pair of fixed guide rails.
  • a moving frame provided with a pair of left and right moving guide rails provided so as to be movable in the horizontal direction so as to be mounted on the frame, and movable in the vertical direction along the axial direction of the moving rails on the pair of left and right moving guide rails
  • a cleaning device for a photovoltaic power generation panel that enables cleaning of the entire panel surface by vertical movement of the cleaning body and horizontal movement of the moving frame provided with the cleaning body,
  • the cleaning device includes a gear rail (rack) provided between both upper and lower ends of the fixed guide rail, and a moving gear engaged with the gear rail.
  • a driving power stepping motor that is fixedly installed on the moving frame and supplies rotational power to the moving gear; and a horizontal moving power transmission mechanism that controls a horizontal moving distance of the moving frame according to the number of steps of the driving stepping motor. This is a configuration provided.
  • the cleaning body is provided at a position in contact with the moving guide rail and a cylindrical rotary cleaning brush that is rotatably installed in parallel with the fixed guide rail, and is perpendicular to the longitudinal direction of the fixed guide rail.
  • a rotating wheel that rotates in a direction (vertical direction) and a moving wheel provided on a different shaft, and a power transmission means that transmits the rotational power of the moving wheel to the rotating cleaning brush.
  • a first pulley installed on the same axis as the moving wheel so as to amplify the rotational power of the moving wheel that rotates in response to the vertical movement of the cleaning body and transmit it to the rotating cleaning brush; It is the structure which consists of a 2nd pulley smaller in diameter than said 1st pulley installed coaxially with a brush, and a power transmission chain constructed between said 1st pulley and said 2nd pulley.
  • the present invention is configured as described in detail above, the following effects can be obtained. 1. Since the cleaning body moves in the vertical direction and the moving frame provided with the cleaning body moves in the horizontal direction, the entire surface of the panel can be cleaned cleanly without unevenness. In addition, since a horizontal movement power transmission mechanism that controls the horizontal movement distance of the moving frame according to the number of steps of the driving stepping motor is provided, it becomes possible to perform accurate horizontal movement control of the moving frame with a simpler structure, and to wipe It is possible to perform cleaning without any problems. 2.
  • the power transmission means that transmits the rotational power of the moving wheel that rotates in contact with the moving guide rail of the cleaning body to the rotary cleaning brush.
  • the power that the cleaning body moves will also be used for the rotational force of the cleaning brush, It is not necessary to provide a separate drive for the rotary cleaning brush.
  • the structure is such that the rotational power of the moving wheel that rotates in response to the vertical movement of the cleaning body is amplified and transmitted to the rotating cleaning brush, the force that the cleaning device body moves can be used efficiently for cleaning with the rotating brush. It becomes possible.
  • FIG. 1 is a front perspective view of a solar power panel cleaning apparatus according to the present invention
  • FIG. 2 is a side sectional view of the lower side of the solar power panel cleaning apparatus
  • FIG. 3 is a side sectional view of the upper side of the photovoltaic power generation panel cleaning apparatus
  • FIG. 4 is a perspective view of a horizontal movement power transmission mechanism.
  • a solar panel cleaning apparatus 10 according to the present invention is a movable cleaning apparatus for cleaning a solar panel 1, as shown in FIG. 1, a fixed guide rail 110, a moving frame 100, It consists of the cleaning body 200.
  • the cleaning device 10 is attached to the photovoltaic power generation panel 1.
  • the cleaning device 10 includes a pair of upper and lower fixed guide rails 110 provided parallel to the upper and lower sides of the photovoltaic power generation panel 1 installed at an inclination angle on the roof or outdoors, and a fixed guide rail 110.
  • a movable frame 100 installed so as to be mounted and movably attached to the left and right, a cleaning body 200 provided to be movable up and down with respect to the movable frame 100, and the fixed guide rail above the fixed guide rail 112 on the upper side. 112, and a water supply pipe 400 provided in parallel with 112.
  • the moving frame 100 is a rectangular frame, and is mounted on a pair of upper and lower fixed guide rails 110 so as to be movable in the left-right direction in parallel with the inclined surface of the photovoltaic power generation panel 1.
  • 120 an upper frame 122 that connects the upper ends of the moving guide rails 120
  • a lower frame 124 that connects the lower ends of the moving guide rails 120.
  • a lower moving frame rail 118 is provided on the lower fixed guide rail 114, and a lower horizontal moving wheel 104 provided on the moving frame 100 is engaged.
  • an upper moving frame rail 116 is provided on the upper fixed guide rail 112, and an upper horizontal moving wheel 102 provided on the moving frame 100 is engaged.
  • the moving frame 100 is configured to be installed on the fixed guide rail 110 so as to be movable in the left-right direction.
  • a first motor 130 is provided at the left end of the lower frame 124 via an attachment member.
  • the first motor 130 serves as a power source for the vertical movement of the cleaning body 200, and the rotational power of the first motor 130 is transmitted to the cleaning body 200 via a cleaning body power transmission mechanism (not shown) for cleaning. It becomes a power source for the vertical movement of the body 200.
  • the cleaning body 200 moves up and down using the power of the first motor 130 while rotating a rotary cleaning brush 210 described later. Thereby, it becomes possible to move up and down on the photovoltaic power generation panel 1 without any problem, and cleaning from the upper end to the lower end of the photovoltaic power generation panel 1 can be performed.
  • the pair of upper and lower fixed guide rails 110 are elongated rails and are set slightly longer than the width of the photovoltaic power generation panel 1.
  • a plurality of panel fixing members are provided at the upper end and the lower end of the photovoltaic power generation panel 1, respectively. It is fixedly installed so as to be parallel.
  • the fixed guide rail 114 on the lower side is attached in parallel along the photovoltaic power generation panel 1 at a predetermined interval on the inclined lower side of the lower end of the photovoltaic power generation panel 1.
  • the upper fixed guide rail 112 is attached in parallel along the panel at a predetermined interval from the inclined upper side of the upper end of the photovoltaic power generation panel 1.
  • the cleaning body 200 is positioned between the pair of left and right moving guide rails 120 of the moving frame 100 and is installed so as to be inserted through the pair of left and right moving guide rails 120.
  • the cleaning body 200 moves in the vertical direction along the surface of the photovoltaic power generation panel 1 on the moving frame 100 using the power of the first motor 130 via the cleaning body power transmission mechanism (not shown). It is an apparatus which cleans the photovoltaic power generation panel 1 while it is.
  • the cleaning body 200 is provided with rail receivers 202 having holes through which the movement guide rails 120 are inserted at both the left and right ends, and inside the holes of the rail receivers 202 (parts in contact with the movement guide rails 120). ) Are provided with resin bearings (not shown).
  • the left or right rail receiver 202 is provided with a rotating shaft 206, and a moving wheel 220 described later is provided on this rotating shaft.
  • the cleaning body 200 is provided with a rotary cleaning brush 210 as a cleaning member.
  • the moving wheel 220 and the rotary cleaning brush 210 are provided on different axes, and both are connected to each other by a power transmission means 240 described later.
  • a water supply tank (not shown) is provided above the inclined surface of the rotary cleaning brush 210.
  • the water supply tank temporarily stores water supplied from a water supply pipe 400 described later via a water supply port 260.
  • a plurality of injection nozzles (not shown) are arranged in the width direction of the water supply tank at the bottom of the water supply tank (not shown), and water is injected from the injection nozzle when water starts to be stored in the water supply tank. Is done.
  • the spray nozzle (not shown) has a fan-shaped spray port at its tip, and water is sprayed over the entire width of the photovoltaic power generation panel 1 with which the rotary cleaning brush 210 is in contact.
  • a wiper 270 is provided on the upper end edge of the cleaning body 200 so as to make its lower end closely contact the photovoltaic power generation panel 1, and the width of the wiper 270 is larger than the width of the rotary cleaning brush 210.
  • the width is approximately the same as 200.
  • the water supply pipe 400 is provided above the upper fixed guide rail 112 in parallel with the fixed guide rail 112, and the base end thereof is connected to a water pipe (not shown). .
  • a plurality of water supply nozzles 410 are provided in the water supply pipe 400 so as to be spaced apart from each other along the upper end of the photovoltaic power generation panel 1, and each water supply nozzle 410 is directed to the lower side of the inclined surface and cleaned to the front end.
  • a water supply valve 420 that can be joined to the water supply port 260 of the body 200 is provided.
  • a valve rod that can be inserted by a spring is provided in the water supply valve 420, and the valve rod is inserted into the water supply valve 420 only when connected to the water supply port 260 of the cleaning body 200.
  • the valve body thus opened is allowed to pass water, and water is supplied from the water supply pipe 400 to the water supply tank of the cleaning body 200 through the water supply valve 420 and the water supply port 260.
  • the interval between the water supply nozzles 410 is set to a length that the moving frame 100 moves laterally once.
  • the cleaning device 10 is provided with a horizontal movement power transmission mechanism 300.
  • the horizontal movement power transmission mechanism 300 is a device for controlling the horizontal movement distance of the movement frame 100. As shown in FIGS. 1, 2, and 4, the gear rail (rack) 310, the movement gear 320, and the drive are driven.
  • the stepping motor 330 is used to convert the rotation of the motor into left and right movement.
  • the gear rail (rack) 310 is a member provided between both upper and lower ends of the fixed guide rail 110.
  • the moving gear 320 is a gear-like member provided on the moving frame 100 on the side where the gear rail (rack) 310 is installed, and is installed so as to mesh with the gear rail (rack) 310.
  • the driving stepping motor 330 is a motor that supplies rotational power to the moving gear 320 and is fixedly installed on the moving frame 100.
  • a moving gear 320 is directly fixedly connected to a driving stepping motor 330 fixedly installed on the moving frame 100, and the moving gear 320 is configured to mesh with a gear rail (rack) 310.
  • the horizontal movement power transmission mechanism 300 is provided with a driving stepping motor 330 in this embodiment, and further counts the number of steps of the driving stepping motor 330 and controls stop / rotation of the motor according to the count number.
  • a horizontal movement distance control device (not shown) is provided. As a result, the horizontal movement distance control device counts and calculates the number of steps of the driving stepping motor 330, thereby calculating the horizontal movement distance of the moving frame 100 and controlling the stop position. Therefore, it is possible to perform efficient cleaning while avoiding wiping and wasteful cleaning.
  • the cleaning body 200 includes a rotary cleaning brush 210, a moving wheel 220, and a power transmission means 240.
  • the rotary cleaning brush 210 is a rotatable cylindrical member installed at a position parallel to the fixed guide rail 100. By brushing the solar power generation panel 1 while the cylindrical brush rotates, dirt such as sand mud adhering to the panel is peeled off.
  • the moving wheel 220 is a wheel for receiving rotational power when the cleaning body 200 moves up and down, and is provided at a position in contact with the moving guide rail 120, with respect to the longitudinal direction of the fixed guide rail 100. And provided on a different shaft from the rotary cleaning brush 210 that rotates in the vertical direction (vertical direction).
  • the power transmission means 240 is a device that transmits the rotational power received by the moving wheel 220 from the vertical movement of the cleaning body 200 to the rotary cleaning brush 210.
  • the power transmission means 240 includes a first pulley 242a, a second pulley 242b, and a power transmission chain 244.
  • the first pulley 242a is a disk-shaped member installed coaxially with the moving wheel 220
  • the second pulley 242b is a disk-shaped member installed coaxially with the rotary cleaning brush 210, and the first pulley 242a.
  • the structure has a smaller diameter.
  • the power transmission chain 244 is a chain-like member that is installed between the first pulley 242a and the second pulley 242b.
  • the moving wheel 220 performs a rotational movement as the cleaning body 200 moves up and down.
  • the rotational force is transmitted to a first pulley 242a provided on the same axis.
  • the rotation of the first pulley 242a is transmitted to the second pulley 242b via the power transmission chain 244.
  • the rotational force transmitted to the second pulley 242b is transmitted to the rotary cleaning brush 210 installed on the same axis. Since the second pulley 242b has a smaller diameter than the first pulley 242a, the rotational speed of the second pulley 242b is larger than that of the first pulley 242a, and thus the rotational speed of the rotary cleaning brush 210 can be increased. As a result, the vertical movement of the cleaning body 200 can be converted into the rotational cleaning operation of the rotational cleaning brush 210.
  • the moving frame 100 is located at the left end, and the cleaning body 200 is located at the lower end (hereinafter, this position is referred to as an initial position).
  • a tap for cleaning water is opened before the cleaning operation.
  • the cleaning operation is started manually by an indoor controller (not shown), or the cleaning is automatically started by setting a timer.
  • the cleaning water valve (not shown) is opened, and the cleaning body 200 is moved from the initial position to above the moving frame 100.
  • the water supply port 260 of the cleaning body 200 joins the water supply valve 420 at the left end of the water supply pipe 400, and the water supply tank (not shown) of the cleaning body 200 from the water supply pipe 400. Wash water is supplied for the time set by the timer. After completion of water supply, the cleaning body 200 moves downward along the moving frame 100. At this time, the cleaning body 200 cleans the panel surface while moving downward.
  • the cleaning water is sprayed from the water supply tank (not shown) through the spray nozzle (not shown) toward the surface of the photovoltaic power generation panel 1 that is in contact with the rotating cleaning brush 210, and the rotating cleaning brush 210.
  • the water is removed by the wiper 270 while the dirt is lifted up. Easy removal of dust and the like is prevented by removing water with a wiper.
  • the wiper 270 wipes water with the wiper 270 while moving upward again and moves to the upper end of the moving frame 100.
  • the moving wheel 220 rotates while being in contact with the moving guide rail 120, thereby rotating the cleaning brush through the power transmission means 240 as described above.
  • the rotational force is transmitted to 210 and rotates.
  • the rotary cleaning brush 210 is brought into contact with the surface in a compressed state, and the cleaning water is uniformly sprayed from the spray nozzle onto the surface of the photovoltaic power generation panel 1. Thereby, sufficient cleaning power can be obtained and cleaning unevenness of the photovoltaic power generation panel 1 can be eliminated.
  • the cleaning body 200 is repeatedly moved up and down, that is, the cleaning operation is repeated an arbitrary number of times set.
  • the cleaning body 200 is temporarily stopped between the lower end of the photovoltaic power generation panel 1 and the lower fixed guide rail 114, and the moving frame 100 is moved to the right side in a stopped state. Slide a predetermined distance (one width of washable area when moving up and down).
  • the lateral movement of the moving frame 100 is controlled by a horizontal movement distance control device (not shown). Thereafter, similarly, the cleaning body 200 moves upward, and after water is supplied from the second water supply valve 420 from the left as the next operation, the cleaning operation is performed while moving up and down, and the moving frame 100 moves to the right after completion.
  • the cleaning body 200 moves to the initial position and stops.
  • FIG. 1 Front perspective view of a solar power panel cleaning apparatus according to the present invention
  • Side sectional view of the lower side of the solar panel cleaning device Side sectional view of the upper side of the solar power panel cleaning device

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)
  • Cleaning In General (AREA)

Abstract

L'objet de l'invention est de fournir un dispositif de lavage de panneau de génération d'énergie solaire à faible consommation d'énergie qui nettoie automatiquement la totalité de la surface d'un panneau solaire de manière efficace, qui est plus facile d'entretien par simplification de la commande du mouvement pendant le lavage d'un corps principal de dispositif de lavage. A cet effet, un dispositif de lavage de panneau de génération d'énergie solaire est composé d'une paire de rails de guidage fixes supérieur et inférieur, d'un châssis mobile doté d'une paire gauche et droite de rails de guidage mobiles, et d'un corps de nettoyage destiné à être déplacé verticalement le long de la direction axiale des rails de guidage mobile, et permettant le lavage de toute la surface d'un panneau au moyen du mouvement vertical du corps de nettoyage et du mouvement horizontal du châssis mobile. Le dispositif de lavage présente une configuration pourvue d'un mécanisme de transmission de puissance à mouvement horizontal qui est composé d'un rail d'engrenage (crémaillère), d'un engrenage de mouvement qui s'engrène avec le rail d'engrenage, et d'un moteur pas-à-pas servant à l'entraînement, et commande la distance de mouvement horizontal du châssis mobile en fonction du nombre de pas du moteur pas-à-pas servant à l'entraînement.
PCT/JP2014/001188 2014-03-04 2014-03-04 Dispositif de lavage de panneau de génération d'énergie solaire WO2015132816A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2014/001188 WO2015132816A1 (fr) 2014-03-04 2014-03-04 Dispositif de lavage de panneau de génération d'énergie solaire
JP2016505934A JP6292685B2 (ja) 2014-03-04 2014-03-04 太陽光発電パネルの洗浄装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/001188 WO2015132816A1 (fr) 2014-03-04 2014-03-04 Dispositif de lavage de panneau de génération d'énergie solaire

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WO2015132816A1 true WO2015132816A1 (fr) 2015-09-11

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JP (1) JP6292685B2 (fr)
WO (1) WO2015132816A1 (fr)

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