WO2018157704A1 - Système photovoltaïque flottant - Google Patents

Système photovoltaïque flottant Download PDF

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Publication number
WO2018157704A1
WO2018157704A1 PCT/CN2018/075396 CN2018075396W WO2018157704A1 WO 2018157704 A1 WO2018157704 A1 WO 2018157704A1 CN 2018075396 W CN2018075396 W CN 2018075396W WO 2018157704 A1 WO2018157704 A1 WO 2018157704A1
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WO
WIPO (PCT)
Prior art keywords
floating
limiting member
photovoltaic module
pontoon
photovoltaic
Prior art date
Application number
PCT/CN2018/075396
Other languages
English (en)
Chinese (zh)
Inventor
陈大英
邓合群
郭成龙
杨震
Original Assignee
北京铂阳顶荣光伏科技有限公司
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 北京铂阳顶荣光伏科技有限公司 filed Critical 北京铂阳顶荣光伏科技有限公司
Publication of WO2018157704A1 publication Critical patent/WO2018157704A1/fr

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    • 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
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/40—Mobile PV generator systems
    • 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
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • 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 utility model relates to a water installation technology of a frameless photovoltaic module, in particular to a photovoltaic system floating on water.
  • one of the ways to solve the corrosion of the PV module PID or TCO is to conduct the negative grounding on the DC side, and the direct negative grounding has many safety hazards, which cause the insulation failure to the ground during many years of operation, causing electric shock, arc, fire, etc. Accidents, and long-term positive biasing of PV modules have a detrimental effect on component power generation efficiency.
  • Another way is to add anti-PID module on the inverter side, and reverse voltage recovery at night, but it can not solve the problem of TCO corrosion of thin film components.
  • the purpose of the utility model is to provide a photovoltaic system floating on water to solve the problem of PID or TCO corrosion in the prior art.
  • the utility model provides a photovoltaic system floating on water, which comprises:
  • the limiting member is fixedly disposed on the top surface of the floating box and distributed along the circumferential direction of the photovoltaic module.
  • the pontoon protrusion is integrally formed with the pontoon.
  • the photovoltaic module is a rectangular block
  • the limiting member comprises a left limiting member, a right limiting member, a top limiting member and a bottom limiting member.
  • the left limiting member, the right limiting member, the top limiting member and the bottom limiting member are respectively located around the photovoltaic module.
  • the limiting member is in the form of a rib, and the top of each of the limiting members is provided with a limiting protrusion extending toward the photovoltaic module.
  • the floating floating photovoltaic system provided by the utility model fixes the frameless photovoltaic component by the fixing of the photovoltaic component on the pontoon bulge and the position limit of the photovoltaic component by the limiting component, thereby avoiding the metal component Exposure to photovoltaic modules inhibits the risk of PV and TCO corrosion of PV modules in high humidity environments.
  • the floating system of the floating system provided by the embodiment of the present invention has a more balanced force on the photovoltaic module, and reduces the cracking rate of the non-tempered glass caused by the stress concentration.
  • FIG. 1 is a top plan view showing a structure of a floating photovoltaic system according to an embodiment of the present invention
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1;
  • Figure 3 is a cross-sectional view taken along line B-B of Figure 1;
  • Figure 4 is an enlarged view of a portion C in Figure 2;
  • Fig. 5 is an enlarged view of a portion D in Fig. 2.
  • FIG. 1 is a plan view showing a structure of a floating photovoltaic system according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view taken along line AA of FIG. 1
  • FIG. 3 is a cross-sectional view taken along line BB of FIG. 1
  • FIG. 4 is an enlarged view of a portion C of FIG.
  • FIG. 5 is an enlarged view of D in FIG. 2.
  • the embodiment of the present invention provides a photovoltaic system floating on water, including a floating tank 1, a pontoon bump 2, a photovoltaic module 3, and a limiting member, and the photovoltaic module 3 is a frameless photovoltaic. Component.
  • the floating floating photovoltaic system provided by the embodiment of the present invention can be applied to a frameless photovoltaic module, and can also be applied to a battery component packaging device that uses solar power to generate electricity.
  • the pontoon 1 includes all floating platforms that can be stably floated on the water surface and can be connected as a whole, and the connecting device thereof, and the floating box 1 can be made of various polymer materials or inorganic materials. It will be understood by those skilled in the art that the pontoon 1 may also not float in the water and be placed on a support platform that is reset to the ground.
  • the pontoon protrusion 2 is fixedly disposed on the top surface of the pontoon 1, and may be integrally formed with the pontoon 1, or may be integrally connected to the pontoon 1 by a firm connecting device.
  • the photovoltaic module 3 is fixed on the pontoon protrusion 2.
  • the photovoltaic module 3 is adhered to the pontoon protrusion 2, and specifically can be bonded to the pontoon bulge by the adhesive tape 8 or structural adhesive or weather resistant colloid. 2 on.
  • the limiting member is fixedly disposed on the top surface of the floating box 1.
  • the fixing manner may be specifically fixed by welding, mechanical connection or other fixing manner, and distributed along the circumferential direction of the photovoltaic module 3.
  • the top surface of the pontoon 1 can be set as a slope, so that the frameless photovoltaic module 3 is tilted after the fixed installation, thereby improving the conversion rate of solar energy.
  • the above-mentioned limiting member may be a long-length structure or a form divided into segments.
  • the tape 8 or structural adhesive is applied to the corresponding position on the back side of the photovoltaic module 3, and the photovoltaic module 3 is firmly adhered to the pontoon protrusion 2, and the limiting member is mounted in position around the photovoltaic module 3.
  • the adhesive position of the adhesive tape 8 or the structural adhesive on the photovoltaic module 3 is evenly distributed, and the different photovoltaic modules 3 can reasonably select the distribution position and the number of the adhesive tape 8.
  • the photovoltaic component 3 can be arranged in a rectangular block shape, and the limiting component comprises a left limiting component 4, a right limiting component 5, a top limiting component 6 and a bottom limiting component 7, the left limiting component 4.
  • the right limiting member 5, the top limiting member 6 and the bottom limiting member 7 are respectively located around the photovoltaic module 3.
  • the structure of the limiting member can be various. Referring to FIG. 4 and FIG. 5 , in the embodiment, the limiting member has a rib shape, and the top portion has a limiting protrusion protruding toward the photovoltaic module 3 , thereby starting from the photovoltaic module 3 . To the role of the limit. Of course, the limiting member can also be set to other shapes or structures, which are not specifically limited herein.
  • the stopper is provided with a cushion (not shown) toward one side of the photovoltaic module 3. If the adhesive tape 8 or structural adhesive between the photovoltaic module 3 and the pontoon bump 2 fails, the photovoltaic component 3 will be out of position, and at this time, the limiting member will prevent the photovoltaic component 3 from continuing to move, providing temporary provision for the photovoltaic component 3. support.
  • the arrangement of the cushion can provide protection to the photovoltaic module 3 from damaging the photovoltaic module 3.
  • the floating floating photovoltaic system provided by the embodiment of the present invention realizes the fixing of the frameless photovoltaic component by fixing the photovoltaic component on the pontoon protrusion and simultaneously limiting the circumference of the photovoltaic component by using the limiting component, thereby avoiding the fixing of the frameless photovoltaic component.
  • the contact of metal parts with photovoltaic modules inhibits the risk of PV and TCO corrosion of PV modules in high humidity environments.
  • the floating system of the floating system provided by the embodiment of the present invention has a more balanced force on the photovoltaic module, and reduces the cracking rate of the non-tempered glass caused by the stress concentration.

Abstract

La présente invention concerne un système photovoltaïque flottant qui comprend : une boîte flottante (1) flottant sur la surface de l'eau ; une partie saillante de boîte flottante (2) fixée à demeure sur la surface supérieure de la boîte flottante ; un ensemble photovoltaïque sans cadre (3) fixé à demeure sur la partie saillante de la boîte flottante ; des éléments de limitation (4, 5, 6, 7) fixés à demeure sur la surface supérieure de la boîte flottante et répartis le long de la périphérie de l'ensemble photovoltaïque. L'ensemble photovoltaïque sans cadre est fixé sur la partie saillante de la boîte flottante à l'aide d'éléments de fixation et à l'aide d'éléments de limitation de façon à limiter les quatre côtés de l'ensemble photovoltaïque, empêchant ainsi les éléments métalliques de venir en contact avec l'ensemble photovoltaïque, et éliminant le risque de corrosion PID et TCO de l'ensemble photovoltaïque dans un environnement à humidité élevée.
PCT/CN2018/075396 2017-02-28 2018-02-06 Système photovoltaïque flottant WO2018157704A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720185717.7 2017-02-28
CN201720185717.7U CN206472079U (zh) 2017-02-28 2017-02-28 水上漂浮的光伏系统

Publications (1)

Publication Number Publication Date
WO2018157704A1 true WO2018157704A1 (fr) 2018-09-07

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Application Number Title Priority Date Filing Date
PCT/CN2018/075396 WO2018157704A1 (fr) 2017-02-28 2018-02-06 Système photovoltaïque flottant

Country Status (2)

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CN (1) CN206472079U (fr)
WO (1) WO2018157704A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739876C1 (ru) * 2020-07-08 2020-12-29 Общество с ограниченной ответственностью "ХелиоРэк" Плавучий модуль для фотоэлектрической панели
RU2767411C1 (ru) * 2021-11-23 2022-03-17 Общество с ограниченной ответственностью "ХелиоРэк" Плавучий модуль для фотоэлектрических панелей
US11949371B2 (en) 2020-12-23 2024-04-02 Array Technologies, Inc. Photovoltaic module deflection limiter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206472079U (zh) * 2017-02-28 2017-09-05 北京铂阳顶荣光伏科技有限公司 水上漂浮的光伏系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070234945A1 (en) * 2005-11-28 2007-10-11 Khouri Bruce M Photovoltaic floatation device
CN103597737A (zh) * 2011-04-15 2014-02-19 天地国际 板支承装置
CN104702200A (zh) * 2013-08-09 2015-06-10 Ls产电株式会社 太阳能电池板的支撑装置
CN206472079U (zh) * 2017-02-28 2017-09-05 北京铂阳顶荣光伏科技有限公司 水上漂浮的光伏系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070234945A1 (en) * 2005-11-28 2007-10-11 Khouri Bruce M Photovoltaic floatation device
CN103597737A (zh) * 2011-04-15 2014-02-19 天地国际 板支承装置
CN104702200A (zh) * 2013-08-09 2015-06-10 Ls产电株式会社 太阳能电池板的支撑装置
CN206472079U (zh) * 2017-02-28 2017-09-05 北京铂阳顶荣光伏科技有限公司 水上漂浮的光伏系统

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739876C1 (ru) * 2020-07-08 2020-12-29 Общество с ограниченной ответственностью "ХелиоРэк" Плавучий модуль для фотоэлектрической панели
WO2022010373A1 (fr) * 2020-07-08 2022-01-13 Общество с ограниченной ответственностью "ХелиоРэк" Module flottant pour panneau photoélectrique
US11949371B2 (en) 2020-12-23 2024-04-02 Array Technologies, Inc. Photovoltaic module deflection limiter
RU2767411C1 (ru) * 2021-11-23 2022-03-17 Общество с ограниченной ответственностью "ХелиоРэк" Плавучий модуль для фотоэлектрических панелей
WO2023096521A1 (fr) 2021-11-23 2023-06-01 Хелиорек Module flottant pour panneaux photoélectriques

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