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US20100293729A1 - Cleaning apparatus for solar panels - Google Patents

Cleaning apparatus for solar panels Download PDF

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Publication number
US20100293729A1
US20100293729A1 US12/468,347 US46834709A US2010293729A1 US 20100293729 A1 US20100293729 A1 US 20100293729A1 US 46834709 A US46834709 A US 46834709A US 2010293729 A1 US2010293729 A1 US 2010293729A1
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US
United States
Prior art keywords
solar panel
controlling device
driven
cleaning apparatus
driving motor
Prior art date
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.)
Abandoned
Application number
US12/468,347
Inventor
Chang Chi Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suntop Solar Energy Co Ltd
Original Assignee
Suntop Solar Energy Co Ltd
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 Suntop Solar Energy Co Ltd filed Critical Suntop Solar Energy Co Ltd
Priority to US12/468,347 priority Critical patent/US20100293729A1/en
Assigned to SUNTOP SOLAR ENERGY CO., LTD. reassignment SUNTOP SOLAR ENERGY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, CHANG CHI
Publication of US20100293729A1 publication Critical patent/US20100293729A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • H02S40/30—Electrical components
    • H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
    • 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 apparatus. More particularly, the present invention relates to an apparatus used in cleaning dust and other accumulations on a solar panel.
  • a conventional cleaning apparatus for a solar panel as shown in FIG. 7 comprises a solar panel 40 , a driving device 41 , a set of driving bars 42 , a set of driven bars 43 and a scraper 44 ; wherein the driving device 41 and the driving bars 42 are disposed on the top of the solar panel 40 and connected to each other; in addition, the driven bars 43 are disposed aside the solar panel 40 which are driven by the driving bars 42 ; as for the scraper 44 , it is mounted across the solar panel 40 transversely, and driven by the driven bars 43 .
  • the scraper 44 can be driven by the driving device 41 to clean up the dust on the solar panel 40 by way of the driving bars 42 and the driven bars 43 .
  • the conventional cleaning apparatus has contained some improvable defects, such as:
  • the present invention is intended to improve the above mentioned drawbacks of the conventional cleaning apparatus for the solar panel.
  • the present invention provides improved solutions to the problems of complicated structural combination and high maintenance cost which may cause.
  • the primary purpose for the present invention is to provide a cleaning apparatus for a solar panel, comprising a controlling device and a solar panel, wherein the controlling device further comprises a driving motor having a driven cleaner, and a timer; the solar panel further comprises a bottom portion and a back portion in which allow the controlling device to install on either place.
  • the driving motor of controlling device is controlled by means of setting the timer, so that the driven cleaner will be driven to clean up the surface of the solar panel on the presetting time. Since the structural constitution of the present invention is simple, so that the maintenance cost can be reduced significantly, thus the objects of simplifying the structure and reducing the maintenance costs are achieved.
  • FIG. 1 is a perspective view schematically showing the first embodiment of the present invention
  • FIG. 2 is a segmented view schematically showing the first embodiment of the present invention
  • FIG. 3 is the front plan views schematically showing the practical use of the first embodiment
  • FIG. 4 is a plan view schematically showing the electrical connection of the solar panel, DC/AC power conditioner and driving motor of the first embodiment
  • FIG. 5 is a perspective view schematically showing the second embodiment of the present invention.
  • FIG. 6 is a perspective view schematically showing the third embodiment of the present invention.
  • FIG. 7 is a perspective view of the conventional cleaning apparatus for the solar panel.
  • FIGS. 1 to 2 are perspective and segmented views schematically showing a preferable embodiment of the present invention.
  • the cleaning apparatus for a solar panel comprises:
  • a controlling device 10 including a driving motor 11 and a timer 12 , wherein a driven cleaner 110 is assembled with the driving motor 11 which is in the form of brush or foam;
  • a solar panel 20 including a bottom portion 21 and a back portion 22
  • the controlling device 10 is installed either on bottom portion 21 or lower back of the back portion 22 .
  • the present invention fulfills a cleaning apparatus for the solar panel thereof.
  • FIG. 3 is the front plan views schematically showing the practical use of the aforementioned embodiment.
  • the controlling device 10 is installed either on bottom portion 21 or lower back of the back portion 22 of the solar panel 20 .
  • the driving motor 11 of controlling device 10 is controlled by means of setting the timer 12 , so that the driven cleaner 110 will be driven to clean up the surface of the solar panel 20 on the presetting time. Since the structural constitution of the present invention is simple, so that the maintenance cost can be reduced significantly, thus the objects of simplifying the structure and reducing the maintenance costs are achieved.
  • FIG. 4 is a plan view schematically showing the electrical connection of the solar panel, DC/AC power conditioner and driving motor of the first embodiment.
  • An electrical junction box 23 is installed on the back portion 22 of the solar panel 20 extending an electric wire 230 to connect with the input connector of the power conditioner 30 ; in addition, the driving motor 11 also extends an another electric wire 230 to connect with the input connector of the power conditioner 30 ; as for the output connector of the power conditioner 30 is connected with a power loading.
  • FIGS. 5 and 6 are the perspective views schematically showing the second and third embodiments of the present invention. Similar to the first embodiment which is shown in FIGS. 1 to 3 , the second embodiment provides a cleaning apparatus comprising three solar panels 20 (as shown in FIG. 5 ), and the third embodiment provides a cleaning apparatus comprising six solar panels 20 (as shown in FIG. 6 ).
  • the shorter driven cleaner 110 will be replaced with a longer one in the apparatus; and in the case of comprising six solar panels 20 as shown in FIG. 6 , the controlling device 10 will be relocated at the middle position of the solar panels 20 , likewise, the shorter driven cleaner 110 will be replaced with a longer one in the apparatus. Therefore, it is not necessary to change the main structure of the cleaning apparatus due to the increase of the solar panel 20 , but replacing the driven cleaner 110 with a longer size.
  • the advantages of the present invention include:
  • the present invention provides a novelty design which comprises a controlling device 10 having a driving motor 11 and a timer 12 ; and a solar panel 20 having a bottom portion 21 and a back portion 22 ; wherein the controlling device 10 is installed either on bottom portion 21 or lower back of the back portion 22 of the solar panel 20 .
  • the present invention provides a simple design which simplifies the overall structural combination;
  • the driving motor 11 of controlling device 10 is worked by means of setting the timer 12 , further to drive the driven cleaner 110 to clean up the surface of the solar panel 20 on the presetting time.
  • the present invention provides a simple design which reduces the maintenance cost for the cleaning apparatus effectively.

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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)
  • Cleaning In General (AREA)

Abstract

A cleaning apparatus for a solar panel, comprising a controlling device and a solar panel, wherein the controlling device is installed either on bottom portion or lower back of the back portion of the solar panel. A driving motor of the controlling device is controlled by means of setting the timer, so that the driven cleaner will be driven to clean up the surface of the solar panel on the presetting time. Since the structural constitution of the present invention is simple, so that the maintenance cost can be reduced significantly. Thus, the objects of simplifying the structure and reducing the maintenance costs are achieved.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention relates to a cleaning apparatus. More particularly, the present invention relates to an apparatus used in cleaning dust and other accumulations on a solar panel.
  • 2. Description of Related Art
  • A conventional cleaning apparatus for a solar panel as shown in FIG. 7 comprises a solar panel 40, a driving device 41, a set of driving bars 42, a set of driven bars 43 and a scraper 44; wherein the driving device 41 and the driving bars 42 are disposed on the top of the solar panel 40 and connected to each other; in addition, the driven bars 43 are disposed aside the solar panel 40 which are driven by the driving bars 42; as for the scraper 44, it is mounted across the solar panel 40 transversely, and driven by the driven bars 43. By means of the structural arrangement stated above, the scraper 44 can be driven by the driving device 41 to clean up the dust on the solar panel 40 by way of the driving bars 42 and the driven bars 43.
  • However, the conventional cleaning apparatus has contained some improvable defects, such as:
  • 1. Complicated structural combination: Due to the driving device 41 and the driving bars 42 of the conventional cleaning apparatus are disposed on the top of the solar panel 40 and connected to each other, meanwhile, the driven bars 43 are driven by the driving bars 42, and the scraper 44 which mounted across the solar panel 40 is driven by the driven bars 43. Thus, the components which are used in the conventional cleaning apparatus are miscellaneous, so that the overall structure of the conventional cleaning apparatus is tremendously complicated; and
  • 2. High maintenance cost: Due to the driving device 41 and the driving bars 42 of the conventional cleaning apparatus are disposed on the top of the solar panel 40 and connected to each other, meanwhile, the driven bars 43 are driven by the driving bars 42, and the scraper 44 which mounted across the solar panel 40 is driven by the driven bars 43. Thus, the components which are used in the conventional cleaning apparatus are complicated, so that the maintenance costs of the apparatus is tremendously high.
  • The present invention is intended to improve the above mentioned drawbacks of the conventional cleaning apparatus for the solar panel. The present invention provides improved solutions to the problems of complicated structural combination and high maintenance cost which may cause.
    • SUMMARY OF THE INVENTION
  • The primary purpose for the present invention is to provide a cleaning apparatus for a solar panel, comprising a controlling device and a solar panel, wherein the controlling device further comprises a driving motor having a driven cleaner, and a timer; the solar panel further comprises a bottom portion and a back portion in which allow the controlling device to install on either place. The driving motor of controlling device is controlled by means of setting the timer, so that the driven cleaner will be driven to clean up the surface of the solar panel on the presetting time. Since the structural constitution of the present invention is simple, so that the maintenance cost can be reduced significantly, thus the objects of simplifying the structure and reducing the maintenance costs are achieved.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a perspective view schematically showing the first embodiment of the present invention;
  • FIG. 2 is a segmented view schematically showing the first embodiment of the present invention;
  • FIG. 3 is the front plan views schematically showing the practical use of the first embodiment;
  • FIG. 4 is a plan view schematically showing the electrical connection of the solar panel, DC/AC power conditioner and driving motor of the first embodiment;
  • FIG. 5 is a perspective view schematically showing the second embodiment of the present invention;
  • FIG. 6 is a perspective view schematically showing the third embodiment of the present invention; and
  • FIG. 7 is a perspective view of the conventional cleaning apparatus for the solar panel.
    •  DETAILED DESCRIPTION OF PREFERRED EMBODIMENT
  • While this invention is capable of embodiment in many different forms, what is shown in the drawings and described in detail herein is the preferred embodiment of the invention. The preferred embodiment is disclosed with the understanding that the present description is but one example of the principles of the invention and is not intended to limit the broad aspects of the invention to the single embodiment illustrated.
  • FIGS. 1 to 2 are perspective and segmented views schematically showing a preferable embodiment of the present invention.
  • The cleaning apparatus for a solar panel comprises:
  • a controlling device 10 including a driving motor 11 and a timer 12, wherein a driven cleaner 110 is assembled with the driving motor 11 which is in the form of brush or foam; and
  • a solar panel 20 including a bottom portion 21 and a back portion 22, the controlling device 10 is installed either on bottom portion 21 or lower back of the back portion 22.
  • In light of the structural description stated above, the present invention fulfills a cleaning apparatus for the solar panel thereof.
  • FIG. 3 is the front plan views schematically showing the practical use of the aforementioned embodiment. The controlling device 10 is installed either on bottom portion 21 or lower back of the back portion 22 of the solar panel 20. The driving motor 11 of controlling device 10 is controlled by means of setting the timer 12, so that the driven cleaner 110 will be driven to clean up the surface of the solar panel 20 on the presetting time. Since the structural constitution of the present invention is simple, so that the maintenance cost can be reduced significantly, thus the objects of simplifying the structure and reducing the maintenance costs are achieved.
  • FIG. 4 is a plan view schematically showing the electrical connection of the solar panel, DC/AC power conditioner and driving motor of the first embodiment. An electrical junction box 23 is installed on the back portion 22 of the solar panel 20 extending an electric wire 230 to connect with the input connector of the power conditioner 30; in addition, the driving motor 11 also extends an another electric wire 230 to connect with the input connector of the power conditioner 30; as for the output connector of the power conditioner 30 is connected with a power loading.
  • FIGS. 5 and 6 are the perspective views schematically showing the second and third embodiments of the present invention. Similar to the first embodiment which is shown in FIGS. 1 to 3, the second embodiment provides a cleaning apparatus comprising three solar panels 20 (as shown in FIG. 5), and the third embodiment provides a cleaning apparatus comprising six solar panels 20 (as shown in FIG. 6). In the case of comprising three solar panels 20 as shown in FIG. 5, the shorter driven cleaner 110 will be replaced with a longer one in the apparatus; and in the case of comprising six solar panels 20 as shown in FIG. 6, the controlling device 10 will be relocated at the middle position of the solar panels 20, likewise, the shorter driven cleaner 110 will be replaced with a longer one in the apparatus. Therefore, it is not necessary to change the main structure of the cleaning apparatus due to the increase of the solar panel 20, but replacing the driven cleaner 110 with a longer size.
  • In the light of the above, the advantages of the present invention include:
  • 1. Simplified structural combination: The present invention provides a novelty design which comprises a controlling device 10 having a driving motor 11 and a timer 12; and a solar panel 20 having a bottom portion 21 and a back portion 22; wherein the controlling device 10 is installed either on bottom portion 21 or lower back of the back portion 22 of the solar panel 20. Thus, the present invention provides a simple design which simplifies the overall structural combination; and
  • 2. Lower maintenance cost: The driving motor 11 of controlling device 10 is worked by means of setting the timer 12, further to drive the driven cleaner 110 to clean up the surface of the solar panel 20 on the presetting time. Thus, the present invention provides a simple design which reduces the maintenance cost for the cleaning apparatus effectively.
  • Although numerous characteristics and advantages of the present invention have been described in detail in the foregoing description, together with the structure and function of the invention, this disclosure is only one of the examples, and changes may be made with regard to specific details, particularly to shape, size, and arrangement of parts within the invention to the full extent indicated by the general meaning of the terms in which the appended claims are expressed.

Claims (8)

1. A cleaning apparatus for a solar panel, comprising:
a controlling device having a driving motor and a timer, wherein a driven cleaner is assembled with the driving motor; and
a solar panel having a bottom portion, the controlling device is installed on such bottom portion.
2. An apparatus as claimed in claim 1, wherein the driven cleaner is in the form of brush.
3. An apparatus as claimed in claim 1, wherein the driven cleaner is in the form of foam.
4. An apparatus as claimed in claim 1, wherein the solar panel comprises a back portion, and the controlling device is installed on the lower back of the back portion.
5. A cleaning apparatus for a solar panel, comprising:
a controlling device having a driving motor and a timer, wherein a driven cleaner is assembled with the driving motor;
a solar panel having a bottom portion, the controlling device is installed on such bottom portion; an electrical junction box is installed on the back portion of the solar panel having an electric wire; and
a power conditioner having the input connectors connecting with the electrical junction box and the driving motor by electric wires, and an output connector connecting with a power loading.
6. An apparatus as claimed in claim 5, wherein the driven cleaner is in the form of brush.
7. An apparatus as claimed in claim 5, wherein the driven cleaner is in the form of foam.
8. An apparatus as claimed in claim 5, wherein the solar panel comprises a back portion, and the controlling device is installed on the lower back of the back portion.
US12/468,347 2009-05-19 2009-05-19 Cleaning apparatus for solar panels Abandoned US20100293729A1 (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2461115A1 (en) * 2010-12-02 2012-06-06 Polo S.r.l. Infrastructure with solar panels
US20130086761A1 (en) * 2010-06-21 2013-04-11 Indian Institute Of Technology, Bombay Sun tracking mechanism with automated cleaning arrangement for solar panel
TWI425987B (en) * 2011-08-05 2014-02-11 Univ Kun Shan Glass surface cleaning device
US9099849B2 (en) * 2009-05-25 2015-08-04 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
US10111563B2 (en) 2013-01-18 2018-10-30 Sunpower Corporation Mechanism for cleaning solar collector surfaces
US10116255B2 (en) 2016-06-22 2018-10-30 Solar Maid Of Northern Arizona Llc Cleaning system for solar panels
CN110266269A (en) * 2019-03-19 2019-09-20 友达光电股份有限公司 Surface dirt measurement method and measurement device
US10587218B2 (en) 2015-09-07 2020-03-10 Steam Tech, Llc Panel maintenance system
US10994703B2 (en) 2010-04-23 2021-05-04 Steam Tech, Llc Surface wiper system
US11142167B2 (en) 2019-01-07 2021-10-12 Steam Tech, Llc Wiper blade with directionally differentiated motion
US11638939B2 (en) 2018-11-27 2023-05-02 Steam Tech, Llc Mobile panel cleaner

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US6370828B1 (en) * 1999-07-19 2002-04-16 Regen Energiesysteme Gmbh Mounting system for solar panel
US20020066473A1 (en) * 2000-12-01 2002-06-06 Gil Levy Solar collector washing system
US6465725B1 (en) * 2000-01-31 2002-10-15 Honda Giken Kogyo Kabushiki Kaisha Tracking type photovoltaic power generator and error correction method of its built-in clock
US20040149872A1 (en) * 2003-02-04 2004-08-05 Giles John T. Computer keyboard with released clip
WO2004091816A1 (en) * 2003-04-16 2004-10-28 Institut für Luft- und Kältetechnik gGmbH Cleaning arrangement for photovoltaic generators and solar collectors
US7226092B2 (en) * 2002-12-03 2007-06-05 Sugatsune Kogyo Co., Ltd. Fastening device with lock mechanism
EP1818626A2 (en) * 2006-02-09 2007-08-15 Herbert Schneeweis Solar cell snow removal device
US20090078299A1 (en) * 2007-09-21 2009-03-26 Akeena Solar, Inc. Mounting system for solar panels
EP2048455A2 (en) * 2007-10-09 2009-04-15 Brown Group Spain, S.A. Automatic solar panel cleaning system
US20090223555A1 (en) * 2008-03-05 2009-09-10 Stalix Llc High Efficiency Concentrating Photovoltaic Module Method and Apparatus
US20090266353A1 (en) * 2008-04-24 2009-10-29 Hon Hai Precision Industry Co., Ltd. Automatic cleaning system for solar panels and method thereof
US20090288691A1 (en) * 2008-05-23 2009-11-26 Hunt Gene C Solar panel cleaning system
US7624958B2 (en) * 2001-09-27 2009-12-01 Maquet Gmbh & Co. Kg Fastening block for mounting objects on a profiled rail
US20090310312A1 (en) * 2008-06-11 2009-12-17 Adc Telecommunications, Inc. Apparatus for mounting a module and enabling heat conduction from the module to the mounting surface

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370828B1 (en) * 1999-07-19 2002-04-16 Regen Energiesysteme Gmbh Mounting system for solar panel
US6465725B1 (en) * 2000-01-31 2002-10-15 Honda Giken Kogyo Kabushiki Kaisha Tracking type photovoltaic power generator and error correction method of its built-in clock
US20020066473A1 (en) * 2000-12-01 2002-06-06 Gil Levy Solar collector washing system
US7624958B2 (en) * 2001-09-27 2009-12-01 Maquet Gmbh & Co. Kg Fastening block for mounting objects on a profiled rail
US7226092B2 (en) * 2002-12-03 2007-06-05 Sugatsune Kogyo Co., Ltd. Fastening device with lock mechanism
US20040149872A1 (en) * 2003-02-04 2004-08-05 Giles John T. Computer keyboard with released clip
WO2004091816A1 (en) * 2003-04-16 2004-10-28 Institut für Luft- und Kältetechnik gGmbH Cleaning arrangement for photovoltaic generators and solar collectors
EP1818626A2 (en) * 2006-02-09 2007-08-15 Herbert Schneeweis Solar cell snow removal device
US20090078299A1 (en) * 2007-09-21 2009-03-26 Akeena Solar, Inc. Mounting system for solar panels
EP2048455A2 (en) * 2007-10-09 2009-04-15 Brown Group Spain, S.A. Automatic solar panel cleaning system
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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10622939B2 (en) 2009-05-25 2020-04-14 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
US10432138B2 (en) * 2009-05-25 2019-10-01 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
US11088656B2 (en) 2009-05-25 2021-08-10 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
US11817820B2 (en) 2009-05-25 2023-11-14 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
US9099849B2 (en) * 2009-05-25 2015-08-04 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
US9813020B2 (en) * 2009-05-25 2017-11-07 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
US10090803B2 (en) * 2009-05-25 2018-10-02 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
US12199560B2 (en) 2009-05-25 2025-01-14 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
US12269435B2 (en) 2010-04-23 2025-04-08 Steam Tech, Llc Surface wiper system
US10994703B2 (en) 2010-04-23 2021-05-04 Steam Tech, Llc Surface wiper system
US11560125B2 (en) 2010-04-23 2023-01-24 Steam Tech, Llc Surface wiper system
US11866012B2 (en) 2010-04-23 2024-01-09 Steam Tech, Llc Surface wiper system
US8650693B2 (en) * 2010-06-21 2014-02-18 Indian Institute Of Technology, Bombay Sun tracking mechanism with automated cleaning arrangement for solar panel
US20130086761A1 (en) * 2010-06-21 2013-04-11 Indian Institute Of Technology, Bombay Sun tracking mechanism with automated cleaning arrangement for solar panel
EP2461115A1 (en) * 2010-12-02 2012-06-06 Polo S.r.l. Infrastructure with solar panels
TWI425987B (en) * 2011-08-05 2014-02-11 Univ Kun Shan Glass surface cleaning device
US10111563B2 (en) 2013-01-18 2018-10-30 Sunpower Corporation Mechanism for cleaning solar collector surfaces
US10587218B2 (en) 2015-09-07 2020-03-10 Steam Tech, Llc Panel maintenance system
US10998851B2 (en) 2015-09-07 2021-05-04 Steam Tech, Llc Panel maintenance system
US10116255B2 (en) 2016-06-22 2018-10-30 Solar Maid Of Northern Arizona Llc Cleaning system for solar panels
US11638939B2 (en) 2018-11-27 2023-05-02 Steam Tech, Llc Mobile panel cleaner
US12059715B2 (en) 2018-11-27 2024-08-13 Steam Tech, Llc Mobile panel cleaner
US11142167B2 (en) 2019-01-07 2021-10-12 Steam Tech, Llc Wiper blade with directionally differentiated motion
US11702038B2 (en) 2019-01-07 2023-07-18 Steam Tech, Llc Wiper blade with directionally differentiated motion
CN110266269A (en) * 2019-03-19 2019-09-20 友达光电股份有限公司 Surface dirt measurement method and measurement device

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