WO2011128084A2 - Dispositif et procédé pour nettoyer des installations solaires - Google Patents

Dispositif et procédé pour nettoyer des installations solaires Download PDF

Info

Publication number
WO2011128084A2
WO2011128084A2 PCT/EP2011/001854 EP2011001854W WO2011128084A2 WO 2011128084 A2 WO2011128084 A2 WO 2011128084A2 EP 2011001854 W EP2011001854 W EP 2011001854W WO 2011128084 A2 WO2011128084 A2 WO 2011128084A2
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning
solar
cleaning device
elements
brush
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.)
Ceased
Application number
PCT/EP2011/001854
Other languages
German (de)
English (en)
Other versions
WO2011128084A3 (fr
Inventor
Jacques Graf De Lalaing
Jan Alsters
José CUEVAS HIDALGO
Dominik Hellen
Georg Reichert
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.)
Solar Power Group GmbH
Original Assignee
Solar Power Group GmbH
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 Solar Power Group GmbH filed Critical Solar Power Group GmbH
Priority to CN2011800292220A priority Critical patent/CN103003639A/zh
Publication of WO2011128084A2 publication Critical patent/WO2011128084A2/fr
Publication of WO2011128084A3 publication Critical patent/WO2011128084A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/87—Reflectors layout
    • F24S2023/872—Assemblies of spaced reflective elements on common support, e.g. Fresnel reflectors
    • 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

Definitions

  • the present invention relates to a
  • Cleaning device for cleaning solar elements of a solar system according to claim 1. It further relates to a solar power plant according to claim 12 and a method for cleaning solar elements according to claim 14.
  • the cleaning of the solar elements of such large systems presents a challenge for which there are various technical solutions.
  • the object of the present invention is a further technical solution for cleaning solar elements
  • CONFIRMATION COPY correspondingly arranged cleaning device and a method for cleaning the solar elements proposed.
  • the object of the invention is achieved by a
  • the cleaning device according to the invention has a
  • cleaning device refers to a device which is suitable for cleaning or washing a solar element.
  • the cleaning device can in various variants, for example, for dry cleaning and / or cleaning with at least one washing liquid or a
  • Cleaning agents are carried out: e.g. can the
  • Cleaning device a spray and / or
  • the cleaning device may further include means for peeling such as squeegee, peel-off and
  • transport device means a device for transporting the cleaning device to the solar element to be cleaned within a solar system.
  • Transport device a driverless transport device, which without active control of the on the
  • Transport device located vehicle driver can be driven along a route.
  • the driverless transport device is approached to a position of a solar element.
  • Control of the transport device can be done fully automatically or triggered and accompanied by the operator of the solar system.
  • the transport device can be made in one piece, in two parts or in several parts.
  • Transport device made in two parts and moved on rails in the solar system.
  • a first part is called
  • Carriage designated, a second part as Carrier means.
  • the carriage can for example be moved on a rail system on the ground within the solar system, the support means on rails on a support structure of the solar system.
  • a support structure designates a constructive, mechanical framework of the solar system, which is suitable for receiving and holding components of the solar system, in particular of solar elements.
  • the rail system may be attached to a support structure of the solar system.
  • the cleaning device may be releasably or permanently attached to the carrier device.
  • a releasable attachment can offer the advantage that the support means both only for the transport of the cleaning device, as well as only for the transport of solar elements or only to transport more
  • Facilities can be used for other tasks.
  • the transport device can be designed in such a way that all desired or desired functions can be performed simultaneously or equally.
  • the solubility of the cleaning device can be any solubility of the cleaning device.
  • the cleaning device has at least one position sensor in order to start the cleaning process at least indirectly.
  • Such position sensors can be constructed according to different physical principles of action. Examples of such operating principles are: optical sensors (e.g., photodiode arrays), inductive sensors, potentiometric sensors, capacitive sensors, Hall effect sensors,
  • Position sensors used to determine the position of the
  • a first position sensor for example, on the
  • Cleaning device is attached, can detect the position by detecting certain geometries or parts of the support structure.
  • a "geometry" on the support structure may include a hole, a bore, a recess or the like in the
  • a "part" on the support structure may be a
  • Fixing screw a bearing element or the like, which serves the attachment or storage of the solar element to the support structure.
  • the support device is stopped, for example.
  • a second position sensor which also at the
  • Cleaning device may be attached, such geometries (holes, recesses or the like) or parts (mounting screws, bearing elements or
  • Carrier device to be determined within the solar system. If a certain, predetermined position is achieved by detection of this second sensor, then with the help of the first sensor, the other
  • a further position sensor for the detection of the orientation of the solar element may be necessary.
  • the solar element may be oriented so that the
  • the orientation of the solar element with the further position sensor must first be detected and then reoriented accordingly, for example by means of a control for rotating the solar element.
  • a brush and an actuator are provided on the cleaning device. This actuator serves to position the brushes on the solar element.
  • actuatorics as used herein
  • the actuator system is constructed such that the brush is moved by means of a linear motor of the cleaning device to the solar element.
  • Further embodiments of an actuator system may be one of an electric motor, such as a stepper motor, driven shaft, nut or threaded spindle, which moves the brush to the solar element.
  • the cleaning device has a guide rail, along which at least one rotating brush is movable substantially perpendicular to the direction of movement of the transport device.
  • guide rail refers to a rail or rail system for guiding devices for cleaning the solar elements.
  • Device has at least one rotating brush.
  • other means of cleaning may be used, such as spraying and / or
  • Spraying devices sponges, wiper blades or
  • the guide rails can be designed as round rod guides, but they can also be used as
  • a rotating brush is guided by two rod guides along the longitudinal side of the solar element.
  • the rotating brush can be moved by an actuator from the cleaning device to the solar element.
  • the movement of the rotating brush can be superimposed on a longitudinal movement along the rail or the rail system.
  • Rotation axis of the rotating brush substantially perpendicular to the direction of movement of the transport device.
  • both rotated by 180 degrees brush assemblies for the cleaning process can be applied.
  • two cleaning devices are arranged side by side. Each of these two cleaning devices can be arranged on a carrier device. At this
  • Design of the carriage of the transport device must be designed so that both side by side
  • comb-like arranged brush elements with a comb direction transverse to the direction of movement of
  • Brushes are arranged such that at least up to an end position, an almost complete cleaning of the solar elements is possible. In this case, that can
  • Cleaning elements arranged to detect the end positions of the travel paths. By means of a control of the cleaning elements, a stop and a movement in the opposite direction of movement can thereby advantageously be initiated. Also, a new positioning in the starting position is possible.
  • the cleaning device has a container for
  • a cleaning agent can also be a
  • Washing liquid or the like may be contained in the container for the purpose of cleaning the solar elements.
  • a container for a cleaning agent may contain, for example, water as a washing liquid.
  • additives can be added to the water to achieve a better cleaning effect. Through the use of additives, the water volume can be reduced by the better cleaning effect. It is also possible that certain impurities of the solar elements can only be removed by certain additives.
  • the size of the container can be adapted to the size or number of solar elements to be cleaned. However, other factors may also be decisive in choosing the size of the containers, such as the size and carrying capacity of the transport device, the optimization of the travel paths within the solar system with respect to the
  • cleaning agent also depends on the variant in which the cleaning device is performed. Variants can brushes, spray and / or
  • Spraying devices sponges, wiper blades or
  • the aterial inches the container and thus also the weight of the container also depends on the choice of the cleaning agent.
  • this preferred embodiment has a
  • a conveyor may be a pump that the
  • the applied delivery pressure also called delivery height, depends on the hose geometry (length, diameter), the
  • Detergent and the cleaning device depending on whether a brush, a spray and / or
  • Spraying device or other device used becomes.
  • the delivery pressure usually much higher than, for example, when using a brush device.
  • the cleaning device has a collecting device for the
  • a collecting device for the cleaning agent may consist of a trough, gutter, shell or the like, which are arranged in particular below the cleaned solar elements.
  • the collected detergent can then be passed into a tank, for example passively by gravity or actively by means of a pump.
  • the collected detergent can then be
  • a treatment device refers to a device for the treatment of liquids or other media, usually for the purpose of reusing the medium.
  • the treatment may consist of a physical and / or chemical and / or biological treatment.
  • Impurities of certain particle sizes used which can also be carried out stepwise with different filter sizes. Both the filtrate (filtered liquid) and the filtered particles (filter cake) can be recycled. Also possible is a partial or
  • Organisms e.g. Microbes for decomposition or
  • Reprocessing may also provide for the recycled media to be used for other purposes. This can be the case if the quality of the treated media no longer meets the requirements for the cleaning agent. This could be possible, for example, if the pH of the filtrate was shifted by air contaminants in such a way that damage to the solar elements can not be ruled out. A possible chemical treatment can not be used for other reasons (costs, technology, environmental conditions etc.).
  • Solar elements was contaminated, after the preparation to use again for use as a cleaning agent.
  • the processing process filters sand grains and other particles.
  • the preparation can contain process steps to measure the quality of the treated medium and
  • the medium either a reuse, a reprocessing or another
  • the cleaning device has a closed circuit for the cleaning agent.
  • a closed circuit for the cleaning agent denotes a cycle in which the cleaning agent is largely reused. Only those parts of the cleaning agent which are contained in the filter cake and fed to another use are removed from the detergent circuit.
  • the solar elements are heliostats and the solar system is a Fresnel solar power plant.
  • a heliostat refers to a mirror that keeps the sunlight largely at the same, fixed point, largely independent of the change in the sun's position in the sky
  • a Fresnel solar power station is the name of a solar power plant where sunlight is spread over several solar panels
  • Heliostat is directed to an absorber.
  • This absorber which is often designed as an absorber tube, flows a fluid that is heated by the sunlight.
  • electricity from sunlight is generated by means of a heat engine.
  • the object of the invention is equally by an inventive solar power plant with an on the
  • the object of the invention is equally achieved by a method according to the invention for cleaning
  • the method according to the invention comprises moving
  • the method comprises setting at least one brush of the cleaning device against the surface to be cleaned
  • the method comprises starting the delivery of a cleaning agent to the brushes and / or the solar elements.
  • the method comprises that the cleaning position of the solar elements is a position in which a reflection surface of the
  • the method comprises detecting the soiling state and restarting the cleaning process when the
  • the detection of the pollution condition can be any one of the pollution condition.
  • the reference value can be defined as the intensity after cleaning
  • a predefined degree of soiling can likewise occur after a defined contamination and the following
  • Measuring the intensity of the reflection of incident light on the reflective surfaces can be determined.
  • FIG. 1 shows a cleaning device with a
  • Fig. 2 shows a carrier device on a carriage
  • Fig. 1 shows a cleaning device
  • Cleaning device 1 has two brush elements 3 and 3 on a support device, wherein the brush elements in the x direction on guide rails 5 are movable.
  • the brush elements 3 and 3 ' are comb-like configured perpendicular to the direction of travel (x-direction).
  • the brush elements 3 and 3 ' have opposite directions
  • Traversing directions with a start position in the middle of the travels.
  • the travel paths each extend to the end position at the ends of the carrier device.
  • the two brush elements 3 and 3 ' are each optimized to clean up to the edge or end area.
  • the brush elements 3 and 3 ' can be driven by electric motors, for example.
  • Position sensors 7 (shown here only by way of example at one position) can detect the end positions of the brush elements 3 and 3 'and corresponding control signals
  • the brush elements 3 and 3 ' can be moved by means of an actuator in the z-direction to be employed on the solar elements. Subsequently, the start of the
  • Fig. 2 shows a carriage 11, on which a
  • Carrier device 13 is suspended.
  • the carriage 11 is moved on a rail system 15 by means of rollers 17.
  • Position sensors 19 can detect the position of the carriage 11 within the solar system.
  • the solar elements to be cleaned at the
  • the carrier device 13 is displaceable on guide elements 23. Furthermore, a power supply system 25 is arranged on the vehicle 11, for example

Landscapes

  • 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)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

La présente invention concerne un dispositif de nettoyage (1) pour nettoyer des éléments solaires d'une installation solaire. Le dispositif de nettoyage (1) présente un dispositif de transport pour déplacer le dispositif de nettoyage (1) jusqu'à l'élément solaire à nettoyer. L'invention a également pour objet une centrale solaire comprenant un dispositif de nettoyage (1) disposé sur une structure porteuse, ainsi qu'un procédé pour nettoyer des éléments solaires, notamment des héliostats.
PCT/EP2011/001854 2010-04-13 2011-04-13 Dispositif et procédé pour nettoyer des installations solaires Ceased WO2011128084A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011800292220A CN103003639A (zh) 2010-04-13 2011-04-13 用于清洁太阳能设备的装置及方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010014790A DE102010014790A1 (de) 2010-04-13 2010-04-13 Vorrichtung und Verfahren für die Reinigung von Solaranlagen
DE102010014790.7 2010-04-13

Publications (2)

Publication Number Publication Date
WO2011128084A2 true WO2011128084A2 (fr) 2011-10-20
WO2011128084A3 WO2011128084A3 (fr) 2011-12-29

Family

ID=44626088

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/001854 Ceased WO2011128084A2 (fr) 2010-04-13 2011-04-13 Dispositif et procédé pour nettoyer des installations solaires

Country Status (3)

Country Link
CN (1) CN103003639A (fr)
DE (1) DE102010014790A1 (fr)
WO (1) WO2011128084A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10111563B2 (en) 2013-01-18 2018-10-30 Sunpower Corporation Mechanism for cleaning solar collector surfaces
CN110608537A (zh) * 2019-08-12 2019-12-24 合肥荣事达太阳能科技有限公司 分腔式热水器水箱
US10771008B2 (en) 2017-08-04 2020-09-08 Saudi Arabian Oil Company Robotic solar panel cleaning system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8863349B2 (en) * 2012-04-18 2014-10-21 King Fahd University Of Petroleum And Minerals Steering and cleaning mechanism for reflector arrays
US20150349706A1 (en) * 2014-06-03 2015-12-03 Sunpower Corporation Solar module cleaner
WO2015193732A2 (fr) * 2014-06-19 2015-12-23 King Abdullah University Of Science And Technology Système et procédé permettant de transporter un ensemble
CN104138883B (zh) * 2014-07-05 2017-05-10 北京安必信金属制品有限公司 一种用于光伏电站组件清洁设备的支臂装置
CN106301193B (zh) * 2016-09-12 2019-07-12 深圳创动科技有限公司 太阳能电池板维护设备及其行走装置

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DE102004036094B4 (de) * 2004-07-24 2007-11-22 Deutsches Zentrum für Luft- und Raumfahrt e.V. Waschapparat für einen Parabolrinnenkollektor
DE102006053704A1 (de) * 2006-11-15 2008-05-21 Novatec Biosol Ag Waschapparat und Waschverfahren für Solarkollektoren
DE202007006491U1 (de) * 2007-02-09 2007-08-02 Schneeweis, Herbert Waschanlage
KR100949484B1 (ko) * 2007-12-12 2010-03-24 (주)서울전업공사 태양전지판의 자동 세정 장치
CN101567398B (zh) * 2008-04-24 2013-01-09 鸿富锦精密工业（深圳）有限公司 太阳能电池板自动清洁系统
JP5192946B2 (ja) * 2008-09-04 2013-05-08 川崎重工業株式会社 太陽熱発電設備における集光装置のクリーニング装置
DE202009012816U1 (de) * 2009-07-03 2009-12-24 Ehleuter, Franz Solaranlagenreinigungsvorrichtung

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10111563B2 (en) 2013-01-18 2018-10-30 Sunpower Corporation Mechanism for cleaning solar collector surfaces
US10771008B2 (en) 2017-08-04 2020-09-08 Saudi Arabian Oil Company Robotic solar panel cleaning system
US11489487B2 (en) 2017-08-04 2022-11-01 Saudi Arabian Oil Company Robotic solar panel cleaning system
CN110608537A (zh) * 2019-08-12 2019-12-24 合肥荣事达太阳能科技有限公司 分腔式热水器水箱

Also Published As

Publication number Publication date
WO2011128084A3 (fr) 2011-12-29
CN103003639A (zh) 2013-03-27
DE102010014790A1 (de) 2011-10-13

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