WO2023019966A1 - Support photovoltaïque flexible et réseau photovoltaïque - Google Patents

Support photovoltaïque flexible et réseau photovoltaïque Download PDF

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Publication number
WO2023019966A1
WO2023019966A1 PCT/CN2022/085204 CN2022085204W WO2023019966A1 WO 2023019966 A1 WO2023019966 A1 WO 2023019966A1 CN 2022085204 W CN2022085204 W CN 2022085204W WO 2023019966 A1 WO2023019966 A1 WO 2023019966A1
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WO
WIPO (PCT)
Prior art keywords
cable
cables
truss
support
connecting cable
Prior art date
Application number
PCT/CN2022/085204
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English (en)
Chinese (zh)
Inventor
敬海泉
雷智皓
黄金
Original Assignee
深圳市安泰科柔性科技有限公司
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 深圳市安泰科柔性科技有限公司 filed Critical 深圳市安泰科柔性科技有限公司
Publication of WO2023019966A1 publication Critical patent/WO2023019966A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/30—Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the supporting surface, e.g. for covering buildings with solar heat collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/50—Arrangement of stationary mountings or supports for solar heat collector modules comprising elongate non-rigid elements, e.g. straps, wires or ropes
    • 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
    • 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
    • Y02E10/47—Mountings or tracking
    • 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 application relates to the technical field of photovoltaic support, in particular to a flexible photovoltaic support and a photovoltaic array.
  • the flexible photovoltaic support structure system in the existing photovoltaic array generally adopts double-cable support (without additional cables and space trusses) and three-cable support, and resists the structure's own weight and wind and snow work by applying prestress to the double cables that are in direct contact with the photovoltaic module. force under the condition. Due to the use of a flexible cable structure for support, the structural stiffness is small, the mid-span deflection is large, the wind resistance is weak, and it is easy to generate large vibrations.
  • a flexible photovoltaic support comprising:
  • the number of the first support assembly is multiple and arranged at intervals along the first direction;
  • the cable truss mechanism group includes a plurality of cable truss mechanisms extending along the first direction and sequentially arranged on each of the first support components, and each of the cable truss mechanisms is arranged at intervals along the second direction , the second direction is perpendicular to the first direction, the cable truss mechanism includes high-level cables, low-level cables, additional cables and a plurality of trusses, the trusses are arranged at intervals along the first direction, the high-level cables, Both the low cables and the additional cables extend along the first direction and are connected to the first support assembly, the truss includes a first frame body and a second frame body, one end of the first frame body and One end of the second frame is connected to the additional cable, the other end of the first frame is connected to the low cable, and the other end of the second frame is connected to the high cable ;
  • the second support assembly is located on both sides of the cable truss mechanism group along the second direction;
  • First connecting cables the number of the first connecting cables is multiple, each of the first connecting cables extends along the second direction and is connected to the second support component, and each of the first connecting cables has at least one one correspondingly connected to each of the cable truss mechanisms;
  • each of the second connecting cables extends along the second direction and is connected to the second support component, and each of the second connecting cables has at least one one correspondingly connected to each of the cable truss mechanisms, the second connecting cable is located below the first connecting cable;
  • a reinforcing truss is spaced apart from the truss along the second direction and connected to the first connecting cable and the second connecting cable.
  • the first connecting cable connects each of the cable truss mechanisms as a whole.
  • the first connecting cable is respectively connected to the other end of the first frame body and the second frame body, and the first connecting cable is connected to the second frame body The joint of the body is located between the high cable and the additional cable.
  • the second connecting cable connects each of the cable truss mechanisms as a whole.
  • the second connecting cable is connected to the joint of the first frame body and the second frame body.
  • the end of the first connecting cable has a first extension section extending outward from the corresponding second support assembly, and the first extension section is connected to the fixing column
  • the end of the second connecting cable has a second extension section extending outward from the corresponding second support assembly, and the second extension section is connected to the fixing column.
  • the first connecting cable is a flexible connecting member or a rigid connecting member;
  • the second connecting cable is a flexible connecting member or a rigid connecting member, wherein the flexible connecting member is Strand.
  • the first support assembly includes a plurality of first columns arranged at intervals along the second direction and a beam connecting each of the first columns as a whole, and the high position Cables, the low cables and the additional cables are all connected to the beam.
  • the reinforcing truss includes a first support and a second support, one end of the first support is connected to the second connecting cable, and the other end of the first support is connected to the second connecting cable.
  • the first connecting cable is connected to the joint of the second frame, one end of the second bracket is connected to the second connecting cable, and the other end of the second bracket is connected to the first frame.
  • the other end is connected, and one end adjacent to the first bracket and the second bracket is connected as a whole and connected to the second connecting cable, each of the first brackets is parallel to each other, and each of the second brackets is parallel to each other.
  • a photovoltaic array including the flexible photovoltaic support as described above, the photovoltaic array also includes a mounting frame and a photovoltaic module, the other end of the first frame and the other end of the second frame are respectively connected to the mounting The frame is connected so that the mounting frame is tilted, and the photovoltaic module is arranged on the mounting frame.
  • the flexible photovoltaic support of the above scheme is applied and equipped in a photovoltaic array, which not only enables the photovoltaic array to have excellent photoelectric conversion efficiency, but also has the effect of relatively high rigidity.
  • the flexible photovoltaic support includes a plurality of cable truss mechanisms extending along the first direction and sequentially arranged on each first supporting component, and a plurality of first connecting cables extending along the second direction and connecting with the second supporting component. and the second connecting cables, each first connecting cable is at least one-to-one connected to each cable truss mechanism, and each second connecting cable is at least one-to-one connected to each cable truss mechanism.
  • the cable truss mechanism can be jointly supported by both the first connecting cable and the second connecting cable in a direction perpendicular to its extension.
  • the reinforcement truss connected with the second connection cable in this way, the first connection cable and the second connection cable are connected as a whole through the reinforcement truss, so that the stiffness and wind resistance of the cable truss mechanism can be further improved, and large vibration and overturning can be avoided.
  • the overall rigidity and stability of the flexible photovoltaic support are improved.
  • Fig. 1 is the schematic diagram of flexible photovoltaic support in an embodiment
  • Fig. 2 is a schematic diagram of the position of the first connecting cable, the second connecting cable, the reinforcement truss and the cable truss mechanism in the flexible photovoltaic support shown in Fig. 1;
  • Fig. 3 is a schematic diagram of the positions of the first connecting cable, the second connecting cable, the high cable, the low cable, the additional cable, the truss, the reinforcement truss and the installation frame in the flexible photovoltaic support shown in Fig. 1 .
  • the embodiment of the present application provides a photovoltaic array, which is essentially a photoelectric conversion device, which can be installed in various open places and environments such as companies, schools, factories or the field, to realize the conversion of solar energy into electrical energy, so as to improve and improve people's Application of renewable energy.
  • the photovoltaic array includes a flexible photovoltaic support 10, a mounting frame 20 and a photovoltaic module. Further, the flexible photovoltaic support 10 includes a first support assembly 11 , a cable truss mechanism set, a second support assembly 13 , a first connection cable 14 , a second connection cable 15 and a reinforcement truss 16 . Wherein, the number of the first supporting components 11 is multiple and arranged at intervals along the first direction.
  • the cable truss mechanism set includes a plurality of cable truss mechanisms 12 extending along the first direction and sequentially arranged on each first support assembly 11 .
  • Each cable truss mechanism 12 is arranged at intervals along the second direction, and the second direction is perpendicular to the first direction.
  • the cable truss mechanism 12 includes high-level cables 121, low-level cables 122, additional cables 123 and a plurality of trusses 124, and the trusses 124 are spaced apart along the first direction. set up.
  • the high-level cables 121 , the low-level cables 122 and the additional cables 123 all extend along a first direction and are connected to the first supporting component 11 .
  • the truss 124 includes a first frame body 1241 and a second frame body 1242 , one end of the first frame body 1241 and one end of the second frame body 1242 are integrated and connected with the additional cable 123 .
  • the other end of the first frame body 1241 is connected to the low cable 122 , and the other end of the second frame body 1242 is connected to the high cable 121 .
  • the second support assembly 13 is located on both sides of the cable truss mechanism assembly along the second direction.
  • There are multiple first connecting cables 14 and each first connecting cable 14 extends along the second direction and is connected to the second support assembly 13 , and each first connecting cable 14 is at least one-to-one connected to each cable truss mechanism 12 .
  • the second connecting cable 15 is located below the first connecting cable 14 .
  • the reinforcing trusses 16 are spaced apart from the trusses 124 along the second direction and connected to the first connecting cables 14 and the second connecting cables 15 .
  • the first direction is parallel to the direction indicated by arrow X in FIG. 1
  • the second direction is parallel to the direction indicated by arrow Y in FIG. 1 .
  • the flexible photovoltaic support 10 of the above scheme is applied and equipped in a photovoltaic array.
  • the flexible photovoltaic support 10 includes a plurality of cable truss mechanisms 12 extending along the first direction and sequentially arranged on each first support assembly 11, and a plurality of cable truss mechanisms 12 extending along the second direction and connected to the second support assembly 13.
  • the first connecting cables 14 and the second connecting cables 15 are at least one-to-one connected to each cable truss mechanism 12
  • each second connecting cable 15 is at least one-to-one connected to each cable truss mechanism 12
  • the cable truss mechanism 12 can be jointly supported by both the first connecting cable 14 and the second connecting cable 15 in a direction perpendicular to its extension.
  • the reinforcing truss 16 connected with the first connecting cable 14 and the second connecting cable 15, the first connecting cable 14 and the second connecting cable 15 are connected as one by the reinforcing truss 16, thereby the rigidity and the rigidity of the cable truss mechanism 12 can be further improved.
  • the wind resistance can avoid large vibration and overturning, thereby improving the overall rigidity and stability of the flexible photovoltaic support 10 .
  • the other end of the first frame body 1241 and the other end of the second frame body 1242 are respectively connected to the mounting frame 20, so that the mounting frame 20 is inclined, and the photovoltaic module is arranged on Mounting frame 20.
  • the first frame body 1241 and the second frame body 1242 are double-pole gusset structures, and the mounting frame 20 forms a stable triangle with the first frame body 1241 and the second frame body 1242 to improve the stability of the photovoltaic module tilt sex.
  • the installation frame 20 can be detachably connected to the first frame body 1241 and the second frame body 1242 as well as between the installation frame 20 and the photovoltaic module, so as to facilitate maintenance and replacement.
  • each first connecting cable 14 is at least one-to-one connected to each cable truss mechanism 12, specifically, each first connecting cable 14 is connected to each cable truss mechanism 12 in one-to-one correspondence, that is, each first connecting cable 14 is connected to A cable truss mechanism 12. Alternatively, each first connecting cable 14 is connected to more than two cable-truss mechanisms 12 . As shown in FIG. 1 and FIG. 2 , in this embodiment, the first connecting cable 14 connects the cable truss mechanisms 12 into one body, that is, the first connecting cable 14 connects the cable truss mechanisms 12 in series.
  • the first connecting cable 14 can connect the cable truss mechanisms 12 in the longitudinal direction of the cable truss mechanism group, and the overall stability of the cable truss mechanism group can be improved by utilizing the tensile performance of the first connecting cable 14 .
  • first connecting cables 14 can provide support for one of the high-level cables 121 , the low-level cables 122 , the additional cables 123 and the truss 124 , thereby realizing overall support for the cable-truss mechanism 12 .
  • the first connecting cable 14 is respectively connected to the other end of the first frame body 1241 and the second frame body 1242, and the connection between the first connecting cable 14 and the second frame body 1242 is located at a high position. Between the cable 121 and the additional cable 123.
  • the above-mentioned setting can ensure that the first connecting cable 14 is arranged horizontally and close to the connection between the first frame body 1241 and the low-level cable 122 and the second frame body 1242 and the high-level cable 121.
  • the integral rigidity of the cable 121 , the low cable 122 and the truss 124 prevents the cable-truss mechanism 12 from twisting, thereby improving the stability of the cable-truss mechanism 12 .
  • each first connecting cable 14 and each second connecting cable 15 correspond one-to-one and are arranged up and down to form a planar support structure.
  • each second connecting cable 15 is at least one-to-one connected to each cable truss mechanism 12, specifically, each second connecting cable 15 is connected to each cable truss mechanism 12 in one-to-one correspondence, that is, each second connecting cable 15 is connected to A cable truss mechanism 12.
  • each second connecting cable 15 is connected to more than two cable-truss mechanisms 12 .
  • the second connecting cable 15 connects the cable truss mechanisms 12 together, that is, the second connecting cable 15 connects the cable truss mechanisms 12 in series.
  • the second connecting cable 15 can connect the cable truss mechanisms 12 in the longitudinal direction of the cable truss mechanism group, and the tensile performance of the second connecting cable 15 can be used to further improve the cable truss mechanism on the basis of the first connecting cable 14.
  • the overall stability of the institutional group is the overall stability of the institutional group.
  • the second connecting cable 15 is connected to the joint of the first frame body 1241 and the second frame body 1242 .
  • the second connecting cable 15 can limit the small displacement and torsion of the above-mentioned joint, making the cable-truss mechanism 12 more stable, reducing vibration, and able to withstand greater wind loads.
  • the setting of the second connecting cable 15 can have strong applicability to areas greatly affected by wind loads. And the cost is relatively low, only the node connection cost and construction tension cost of the second connecting cable 15 are increased.
  • the end of the first connecting cable 14 has a first extension section extending outward from the corresponding second support assembly 13 , and the first extension section is connected to the fixing column.
  • the fixing column is arranged on the outside of the second support assembly 13 along the second direction, and can be arranged on the ground or the abutment together with the second support assembly 13. fixed structure.
  • the above arrangement can also enable the first connecting cable 14 to provide a downward force to the second support assembly 13, so as to improve the stability of its connection with the ground or a fixed structure such as an abutment.
  • the end of the second connecting cable 15 has a second extension section extending outward from the corresponding second support assembly 13 , and the second extension section is connected to the fixing column.
  • the stability of the second connecting cable 15 can be further improved, and the above arrangement can also enable the second connecting cable 15 to provide a downward force to the second support assembly 13, so as to improve the stability of its connection with the ground or a fixed structure such as the abutment .
  • the first extension section and the second extension section are wound to form a strand structure 17 and connected to the fixing column.
  • the fixed post can be embedded in fixed structures such as the ground or abutment.
  • the first connecting cable 14 is a flexible connecting member or a rigid connecting member; the second connecting cable 15 is a flexible connecting member or a rigid connecting member, wherein the flexible connecting member is a steel strand.
  • both the first connecting cable 14 and the second connecting cable 15 are steel strands, and are connected with the second supporting component 13 and the cable truss mechanism 12 by applying prestress in advance.
  • the fixed column can adopt structures of different cross-sectional forms and material types including but not limited to H-shaped steel, hollow steel pipe, steel pipe concrete and the like.
  • the fixing column is a hollow steel pipe.
  • the high cable 121, the low cable 122, and the additional cable 123 can be steel strands.
  • the first support assembly 11 includes a plurality of first upright columns 111 arranged at intervals along the second direction, a beam 112 connecting the first upright columns 111 as a whole, high-level cables 121, low-level Both the cable 122 and the additional cable 123 are connected to the beam 112 .
  • the overall stability of the first support assembly 11 can be improved, thereby improving the overall stability of the flexible photovoltaic support 10 .
  • the reinforcing truss 16 includes a first bracket 161 and a second bracket 162 , one end of the first bracket 161 is connected to the second connecting cable 15 , and the other end of the first bracket 161 Connect with the junction of the first connecting cable 14 and the second frame body 1242, one end of the second bracket 162 is connected with the second connecting cable 15, and the other end of the second bracket 162 is connected with the other end of the first frame body 1241, correspondingly One end adjacent to the first bracket 161 and the second bracket 162 are connected together and connected to the second connecting cable 15 to form a triangle shape.
  • the first brackets 161 are parallel to each other, and the second brackets 162 are parallel to each other.
  • the strengthening truss 16 is added together with the first connecting cable 14 and the second connecting cable 15 to form a reinforcing structure, which together provide a good wind resistance for the cable truss mechanism 12, so that the photovoltaic array does not have problems such as large vibration and component overturning.
  • the high cable 121, the low cable 122, the additional cable 123 and the truss 124 the tensile performance of the first connecting cable 14 and the second connecting cable 15 can be fully exerted, and the cost is low; under the combined effect of the above structures, The stability of the flexible photovoltaic support 10 can be greatly improved.

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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)

Abstract

La présente demande divulgue un support photovoltaïque flexible et un réseau photovoltaïque, et se rapporte au domaine technique des supports photovoltaïques. Le support photovoltaïque flexible comprend de multiples mécanismes d'armature de câble qui s'étendent dans une première direction et sont agencés séquentiellement sur de premiers ensembles de support, et de multiples premiers câbles de raccordement et seconds câbles de raccordement qui s'étendent dans une seconde direction et sont raccordés à de seconds ensembles de support. Les premiers câbles de raccordement sont au moins raccordés aux mécanismes d'armature de câble selon une correspondance biunivoque, et les seconds câbles de raccordement sont au moins raccordés aux mécanismes d'armature de câble selon une correspondance biunivoque. De cette manière, les mécanismes d'armature de câble peuvent être supportés à la fois par les premiers câbles de raccordement et les seconds câbles de raccordement dans une direction perpendiculaire à la direction d'extension de ceux-ci. Le support photovoltaïque flexible comprend en outre des armatures de renforcement qui sont agencées en alternance avec des armatures le long de la seconde direction et sont raccordées aux premiers câbles de raccordement et aux seconds câbles de raccordement. L'armature de renforcement raccorde les premiers câbles de raccordement et les seconds câbles de raccordement pour former un ensemble, ce qui permet d'améliorer davantage la rigidité et la résistance au vent des mécanismes d'armature câble, et d'éviter des vibrations et des balancements importants.
PCT/CN2022/085204 2021-08-16 2022-04-03 Support photovoltaïque flexible et réseau photovoltaïque WO2023019966A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202121913742.5U CN214228159U (zh) 2021-08-16 2021-08-16 柔性光伏支架及光伏阵列
CN202121913742.5 2021-08-16

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WO2023019966A1 true WO2023019966A1 (fr) 2023-02-23

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN117081490A (zh) * 2023-08-25 2023-11-17 哈尔滨工业大学 一种大跨度索支撑单层跟踪式柔性光伏支架及系统

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Publication number Priority date Publication date Assignee Title
CN214228159U (zh) * 2021-08-16 2021-09-17 深圳市安泰科能源环保股份有限公司 柔性光伏支架及光伏阵列
CN116232182A (zh) * 2023-03-02 2023-06-06 夏尔特拉(上海)新能源科技有限公司 柔性光伏支架结构

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CN109921726A (zh) * 2019-04-11 2019-06-21 通威股份有限公司 一种柔性光伏支架
CN110401401A (zh) * 2018-04-25 2019-11-01 通威股份有限公司 一种基于预应力索桁架的零扰度大跨度光伏支架结构
CN214228159U (zh) * 2021-08-16 2021-09-17 深圳市安泰科能源环保股份有限公司 柔性光伏支架及光伏阵列

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JP2017199885A (ja) * 2016-04-28 2017-11-02 積水化学工業株式会社 太陽光発電ユニット
CN110401401A (zh) * 2018-04-25 2019-11-01 通威股份有限公司 一种基于预应力索桁架的零扰度大跨度光伏支架结构
CN109921726A (zh) * 2019-04-11 2019-06-21 通威股份有限公司 一种柔性光伏支架
CN214228159U (zh) * 2021-08-16 2021-09-17 深圳市安泰科能源环保股份有限公司 柔性光伏支架及光伏阵列

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Publication number Priority date Publication date Assignee Title
CN117081490A (zh) * 2023-08-25 2023-11-17 哈尔滨工业大学 一种大跨度索支撑单层跟踪式柔性光伏支架及系统
CN117081490B (zh) * 2023-08-25 2024-05-10 哈尔滨工业大学 一种大跨度索支撑单层跟踪式柔性光伏支架及系统

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