WO2023134035A1 - 柔性光伏支架及光伏阵列 - Google Patents

柔性光伏支架及光伏阵列 Download PDF

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Publication number
WO2023134035A1
WO2023134035A1 PCT/CN2022/085206 CN2022085206W WO2023134035A1 WO 2023134035 A1 WO2023134035 A1 WO 2023134035A1 CN 2022085206 W CN2022085206 W CN 2022085206W WO 2023134035 A1 WO2023134035 A1 WO 2023134035A1
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WO
WIPO (PCT)
Prior art keywords
frame
cable
frame body
cables
connecting frames
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Application number
PCT/CN2022/085206
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English (en)
French (fr)
Inventor
敬海泉
吴骊璋
苏渊伟
罗菁
Original Assignee
深圳市安泰科柔性科技有限公司
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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 WO2023134035A1 publication Critical patent/WO2023134035A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/50Arrangement of stationary mountings or supports for solar heat collector modules comprising elongate non-rigid elements, e.g. straps, wires or ropes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [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. In view of the above technical problems, in the prior art, stabilizing cables are often used to connect the cable truss mechanisms in the flexible photovoltaic support to limit the relative displacement and twist of the cable truss mechanisms.
  • Flexible photovoltaic support including:
  • Supporting components the number of the supporting components 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 support components, each of the cable truss mechanisms is arranged at intervals along the second direction, so The second direction is perpendicular to the first direction, the cable truss mechanism includes high cables, low cables, additional cables and a plurality of trusses, the trusses are arranged at intervals along the first direction, the high cables, the Both the low cables and the additional cables extend along the first direction and are connected to the support assembly, the truss includes a first frame body, a second frame body and a mounting frame, one end of the first frame body and the One end of the second frame body is respectively connected to the mounting frame, and the high-position cable and the low-position cable are arranged on the mounting frame;
  • a first connecting frame the number of the first connecting frames is multiple, each of the first connecting frames extends along the second direction and at least connects two of the cable truss mechanisms;
  • the second connecting frame the number of the second connecting frames is multiple, each of the second connecting frames extends along the second direction and connects at least two of the cable truss mechanisms into one, and each of the second connecting frames
  • the connecting frames are located one by one under each of the first connecting frames, and the additional cables are arranged on the second connecting frames.
  • the first connecting frame is respectively connected to the first frame body and the second frame body, and the connection between the first connecting frame and the first frame body The connection between the first connecting frame and the second frame is located between the low cable and the additional cable.
  • one end of the first frame body and one end of the second frame body are respectively hinged to the mounting frame, and the first connecting frame is respectively connected to the first frame
  • the body and the second frame body are hinged, and the other end of the first frame body is spaced apart from the other end of the second frame body and is respectively hinged with the second connecting frame.
  • the additional cable is arranged between the second connecting frame and the hinge between the first frame body and the second frame body.
  • the high cables are located on the side away from the second frame at the joint between the mounting frame and the first frame, and the low cables are located on the mounting frame The side of the joint with the second frame body away from the first frame body.
  • the high-position cable is arranged on the installation frame through a first U-shaped piece
  • the low-position cable is arranged on the installation frame through a second U-shaped piece
  • the additional cable is arranged on the second connecting frame.
  • the distance between the mounting frame and the first frame body and the second frame body is greater than the distance between the second connecting frame and the first frame body and the second frame body. Describe the distance between the hinges of the second frame.
  • the first frame body, the second frame body, the mounting frame, the first connecting frame and the second connecting frame are all C-shaped rods.
  • the high cables, the low cables and the additional cables are steel strands.
  • the photovoltaic array includes the above-mentioned flexible photovoltaic support, and the photovoltaic array further includes a photovoltaic assembly, and the photovoltaic assembly is arranged on the installation frame.
  • the flexible photovoltaic support of the above solution is applied and equipped in a photovoltaic array.
  • the flexible photovoltaic support includes a plurality of cable truss mechanisms extending along the first direction and sequentially arranged on each support assembly, and a plurality of first connecting frames and second connecting frames extending along the second direction, each first The connecting frame at least connects the two cable-truss mechanisms into one, and each second connecting frame at least connects the two cable-truss mechanisms into one.
  • the cable truss mechanism can be supported by both the first connecting frame and the second connecting frame perpendicular to its extension direction.
  • the first connecting frame and the second connecting frame do not need to be stretched and equipped with side anchor mechanisms. Thereby greatly saving the production cost.
  • the length of the first connecting frame and the second connecting frame can be designed according to the topographical requirements of the application scene, that is, by designing multiple sections of the first connecting frame and the second connecting frame along the second direction to adapt to the ups and downs of the terrain, thereby expanding the photovoltaic array application scenarios.
  • Fig. 1 is a schematic diagram of the connection between the cable truss mechanism group and the first connecting frame and the second connecting frame in the flexible photovoltaic support in one embodiment
  • Fig. 2 is a connection schematic diagram of another viewing angle between the cable truss mechanism group and the first connecting frame and the second connecting frame in the flexible photovoltaic support in one embodiment
  • Fig. 3 is a schematic diagram of the enlarged structure of part A in Fig. 2;
  • Fig. 4 is a schematic diagram of the enlarged structure of part B in Fig. 3;
  • Fig. 5 is a schematic diagram of the enlarged structure of part C in Fig. 3;
  • FIG. 6 is a schematic diagram of an enlarged structure of part D in FIG. 3 .
  • 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. In view of the above technical problems, in the prior art, stabilizing cables are often used to connect the cable truss mechanisms in the flexible photovoltaic support to limit the relative displacement and twist of the cable truss mechanisms.
  • 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 flexible photovoltaic supports and photovoltaic modules. Further, the flexible photovoltaic support includes a support assembly (not shown), a cable-truss mechanism assembly 10 , a first connecting frame 20 and a second connecting frame 30 . Wherein, the number of supporting components is multiple and arranged at intervals along the first direction.
  • the cable truss mechanism group 10 includes a plurality of cable truss mechanisms 11 extending along the first direction and sequentially arranged on each support assembly. Each cable truss mechanism 11 is arranged at intervals along the second direction, and the second direction is perpendicular to the first direction.
  • the cable-truss mechanism 11 includes high-level cables 111 , low-level cables 112 , additional cables 113 and multiple trusses 114 .
  • the trusses 114 are arranged at intervals along the first direction.
  • the high-level cables 111 , the low-level cables 112 and the additional cables 113 all extend along a first direction and are connected to the support assembly.
  • the truss 114 includes a first frame body 1141 , a second frame body 1142 and a mounting frame 1143 .
  • the photovoltaic module is disposed on the mounting frame 1143 .
  • One end of the first frame body 1141 and one end of the second frame body 1142 are respectively connected to the installation frame 1143 .
  • the high cable 111 and the low cable 112 are installed on the mounting frame 1143 .
  • Each first connecting frame 20 extends along the second direction and connects at least two cable beam mechanisms 11 as a whole.
  • Each second connecting frame 30 extends along the second direction and connects at least two cable beam mechanisms 11 as a whole.
  • Each second connecting frame 30 is located under each first connecting frame 20 in one-to-one correspondence, forming a planar support structure.
  • the high cable 111 , the low cable 112 and the additional cable 113 are all steel strands.
  • the additional cable 113 is disposed on the second connecting frame 30 .
  • 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 of the above scheme is applied and equipped in the photovoltaic array.
  • the flexible photovoltaic support includes a plurality of cable truss mechanisms 11 extending along the first direction and sequentially arranged on each support assembly, and a plurality of first connecting frames 20 and second connecting frames 30 extending along the second direction,
  • Each first connecting frame 20 connects at least two cable truss mechanisms 11 as a whole
  • each second connecting frame 30 connects at least two cable truss mechanisms 11 as a whole.
  • the cable truss mechanism 11 can be jointly supported by both the first connecting frame 20 and the second connecting frame 30 perpendicular to its extension direction, and at the same time, the first connecting frame 20 and the second connecting frame 30 do not need to be stretched and Equipped with a side anchor mechanism, which greatly saves production costs.
  • the length of the first connecting frame 20 and the second connecting frame 30 can be designed according to the topographical requirements of the application scene, that is, by designing multiple sections of the first connecting frame 20 and the second connecting frame 30 along the second direction to adapt to the undulation of the terrain, thereby Expand the application scenarios of photovoltaic arrays.
  • Each first connecting frame 20 connects at least two cable truss mechanisms 11 as a whole
  • each second connecting frame 30 connects at least two cable truss mechanisms 11 as a whole.
  • the first connecting frame 20 and the second connecting frame 30 can be a section.
  • the multi-section first connecting frame 20 and the multi-section second connecting frame 30 can be used to adapt to the ups and downs of the terrain.
  • the first connecting frame 20 can provide support for one of the high-level cables 111 , the low-level cables 112 and the truss 114 , thereby realizing overall support for the cable-truss mechanism 11 .
  • the first connecting frame 20 is respectively connected to the first frame body 1141 and the second frame body 1142 .
  • the connection between the first connecting frame 20 and the first frame body 1141 is located between the high cable 111 and the additional cable 113 .
  • the connection between the first connecting frame 20 and the second frame body 1142 is located between the low cable 112 and the additional cable 113 . In this way, the connection stability between the first connecting frame 20 and the cable truss mechanism 11 can be ensured.
  • first frame body 1141 and one end of the second frame body 1142 are respectively hinged to the mounting frame 1143 .
  • the first connecting frame 20 is hinged to the first frame body 1141 and the second frame body 1142 respectively.
  • the other end of the first frame body 1141 and the other end of the second frame body 1142 are spaced apart and hinged to the second connecting frame 30 respectively.
  • the first frame body 1141, the second frame body 1142, the mounting frame 1143, the first connecting frame 20 and the second connecting frame 30 form two parallelograms, which facilitates the inclination angle of the high cable 111 and the low cable 112 to the mounting frame 1143.
  • the installation frame 1143 and the photovoltaic module can be detachably connected to facilitate maintenance and replacement.
  • the first frame body 1141, the second frame body 1142, the mounting frame 1143, the first connecting frame 20 and the second connecting frame 30 form two parallelograms, which can also be convenient for changing the shape of the above two parallelograms to adapt to the terrain.
  • the undulations facilitate the installation of the flexible photovoltaic support.
  • the additional cable 113 is arranged between the second connecting frame 30 and the joint between the first frame body 1141 and the second frame body 1142 . Because this position is limited by the first frame body 1141 and the second frame body 1142 , its rigidity is relatively high, and it is not easy to deform when stressed, thereby enhancing the effect of the additional cable 113 to strengthen the overall stability of the cable-truss mechanism 11 .
  • the high cable 111 is located on the side away from the second frame body 1142 at the hinge joint between the installation frame 1143 and the first frame body 1141, and the low cable 112 is located at the side of the hinge joint between the installation frame 1143 and the first frame body 1141.
  • the high cable 111 and the low cable 112 are located at the far ends of the mounting frame 1143 , so that the driving force of the high cable 111 and the low cable 112 can be better transmitted to the mounting frame 1143 , and the angle thereof can be adjusted easily.
  • the high cable 111 is installed on the installation frame 1143 through the first U-shaped piece 115 .
  • the low cable 112 is disposed on the mounting frame 1143 through the second U-shaped piece 116 .
  • the additional cable 113 is disposed on the second connecting frame 30 through the third U-shaped piece 117 .
  • the setting of the first U-shaped piece 115, the second U-shaped piece 116 and the third U-shaped piece 117 can ensure that the extension direction of the high-position cable 111, the low-position cable 112 and the additional cable 113 are unchanged, and they can be connected with the installation
  • the frame 1143 is connected to the second connecting frame 30 .
  • the first U-shaped piece 115 and the second U-shaped piece 116 can be detachably connected to the installation frame 1143 through bolts.
  • the third U-shaped piece 117 can be detachably connected to the second connecting frame 30 through bolts.
  • the distance between the hinges between the mounting frame 1143 and the first frame body 1141 and the second frame body 1142 is greater than the distance between the second connecting frame 30 and the first frame body 1141 and the second frame body 1142 Joint spacing. In this way, while it is convenient to adjust the angle of the mounting frame 1143, since the hinges between the second connecting frame 30 and the first frame body 1141 and the second frame body 1142 have a small distance, the first frame body 1141 and the second frame body 1142 can be lifted. The supporting effect of the frame body 1142 on the mounting frame 1143 ensures the relatively stable position of the mounting frame 1143 .
  • the first frame body 1141, the second frame body 1142, the installation frame 1143, the first connecting frame 20 and the second connecting frame 30 are all C-shaped rods, so While reducing the weight of the first frame body 1141, the second frame body 1142, the mounting frame 1143, the first connecting frame 20 and the second connecting frame 30, it is convenient for the first frame body 1141, the second frame body 1142, the mounting frame 1143 1.
  • the assembly of the hinged position between the first connecting frame 20 and the second connecting frame 30 are all hinged by bolts, and the mouth of the C-shaped rod can avoid the installation of the bolts to facilitate its disassembly.
  • the support assembly includes a plurality of uprights arranged at intervals along the second direction and a beam connecting the uprights as a whole, and the high-level cables 111 , the low-level cables 112 and the additional cables 113 are all connected to the crossbeams. In this way, the overall stability of the support assembly can be improved, thereby improving the overall stability of the flexible photovoltaic support.

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Abstract

本申请公开了一种柔性光伏支架及光伏阵列,涉及光伏支架技术领域。该柔性光伏支架包括多个沿第一方向延伸并依次设于各支撑组件上的索桁机构和多个沿第二方向延伸的第一连接架和第二连接架,各第一连接架至少将两个索桁机构连为一体,各第二连接架至少将两个索桁机构连为一体。如此使得索桁机构能够在垂直于其延伸方向上得到第一连接架和第二连接架两者的共同支撑,同时,第一连接架和第二连接架无需进行张拉并配备边锚机构,从而大大节省了生产成本。进一步地,第一连接架和第二连接架可根据应用场景的地形需要设计长度,即通过沿第二方向设计多段第一连接架和第二连接架以适应地形的起伏,从而拓展了光伏阵列的应用场景。

Description

柔性光伏支架及光伏阵列 技术领域
本申请涉及光伏支架技术领域,尤其涉及一种柔性光伏支架及光伏阵列。
背景技术
现有光伏阵列中的柔性光伏支架结构体系一般采用双索支撑(无附加索和空间桁架)和三索支撑,通过对与光伏组件直接接触的双索施加预应力来抵抗结构自重以及风雪工况下的作用力。由于采用了柔性的索结构进行支撑,出现了结构刚度小,跨中挠度大,抗风能力弱,极易产生大幅振动的问题。针对上述技术问题,现有技术常采用稳定索将柔性光伏支架中的各索桁机构连为一体,以限制索桁机构的相对位移和扭转。但上述现有技术需要对稳定索进行张拉并配备边锚机构,从而增加了生产成本。同时,稳定索的设置需要各索桁机构大致处于一个平面内,中间不能有起伏,限制了其应用场景。
技术问题
基于此,有必要提供一种柔性光伏支架及光伏阵列,旨在解决光伏阵列中由于稳定索的人设置造成的成本增加、应有场景有限的技术问题。
技术解决方案
为了解决上述技术问题,本申请采用的技术方案一为:
柔性光伏支架,包括:
支撑组件,所述支撑组件的数量为多个且沿第一方向间隔设置;
索桁机构组,所述索桁机构组包括多个沿所述第一方向延伸并依次设于各所述支撑组件上的索桁机构,各所述索桁机构沿第二方向间隔设置,所述第二方向垂直于所述第一方向,所述索桁机构包括高位索、低位索、附加索和多个桁架,所述桁架沿所述第一方向间隔设置,所述高位索、所述低位索和所述附加索均沿所述第一方向延伸并与所述支撑组件连接,所述桁架包括第一架体、第二架体和安装架,所述第一架体的一端和所述第二架体的一端分别与所述安装架连接,所述高位索和所述低位索设于所述安装架;
第一连接架,所述第一连接架的数量为多个,各所述第一连接架沿所述第二方向延伸并至少将两个所述索桁机构连为一体;及
第二连接架,所述第二连接架的数量为多个,各所述第二连接架沿所述第二方向延伸并至少将两个所述索桁机构连为一体,各所述第二连接架一一对应位于各所述第一连接架的下方,所述附加索设于所述第二连接架。
在所述柔性光伏支架的一些实施例中,所述第一连接架分别与所述第一架体和所述第二架体连接,所述第一连接架与所述第一架体的连接处位于所述高位索和所述附加索之间,所述第一连接架与所述第二架体的连接处位于所述低位索和所述附加索之间。
在所述柔性光伏支架的一些实施例中,所述第一架体的一端和所述第二架体的一端分别与所述安装架铰接,所述第一连接架分别与所述第一架体和所述第二架体铰接,所述第一架体的另一端和所述第二架体的另一端间隔设置且分别与所述第二连接架铰接。
在所述柔性光伏支架的一些实施例中,所述附加索设于所述第二连接架与所述第一架体和所述第二架体铰接处之间。
在所述柔性光伏支架的一些实施例中,所述高位索位于所述安装架与所述第一架体铰接处的远离所述第二架体一侧,所述低位索位于所述安装架与所述第二架体铰接处的远离所述第一架体一侧。
在所述柔性光伏支架的一些实施例中,所述高位索通过第一U型件设于所述安装架,所述低位索通过第二U型件设于所述安装架,所述附加索通过第三U型件设于所述第二连接架。
在所述柔性光伏支架的一些实施例中,所述安装架与所述第一架体和所述第二架体的铰接处间距大于所述第二连接架与所述第一架体和所述第二架体的铰接处间距。
在所述柔性光伏支架的一些实施例中,所述第一架体、所述第二架体、所述安装架、所述第一连接架和所述第二连接架均为C型杆。
在所述柔性光伏支架的一些实施例中,所述高位索、所述低位索和所述附加索均为钢绞线。
为了解决上述技术问题,本申请采用的技术方案二为:
光伏阵列,包括如上所述的柔性光伏支架,所述光伏阵列还包括光伏组件,所述光伏组件设于所述安装架。
实施本申请实施例,将具有如下有益效果:
上述方案的柔性光伏支架应用装备于光伏阵列中,除了使光伏阵列具备极佳的光电转化效能之外,其自身还具有低成本、能够适应较多应用场景的效果。具体而言,该柔性光伏支架包括多个沿第一方向延伸并依次设于各支撑组件上的索桁机构和多个沿第二方向延伸的第一连接架和第二连接架,各第一连接架至少将两个索桁机构连为一体,各第二连接架至少将两个索桁机构连为一体。如此使得索桁机构能够在垂直于其延伸方向上得到第一连接架和第二连接架两者的共同支撑,同时,第一连接架和第二连接架无需进行张拉并配备边锚机构,从而大大节省了生产成本。进一步地,第一连接架和第二连接架可根据应用场景的地形需要设计长度,即通过沿第二方向设计多段第一连接架和第二连接架以适应地形的起伏,从而拓展了光伏阵列的应用场景。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
其中:
图1为一个实施例中柔性光伏支架中索桁机构组与第一连接架和第二连接架的连接示意图;
图2为一个实施例中柔性光伏支架中索桁机构组与第一连接架和第二连接架的另一视角的连接示意图;
图3为图2中A部放大结构示意图;
图4为图3中B部放大结构示意图;
图5为图3中C部放大结构示意图;
图6为图3中D部放大结构示意图。
本发明的实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
应注意到:相似的标号和字母在下面的附图中表示类似项,因此,一旦某一项在一个附图中被定义,则在随后的附图中不需要对其进行进一步定义和解释。
在本申请的描述中,需要说明的是,若出现术语“上”、“下”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,或者是该申请产品使用时惯常摆放的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。
此外,若出现术语“第一”、“第二”等仅用于区分描述,而不能理解为指示或暗示相对重要性。
需要说明的是,在不冲突的情况下,本申请的实施例中的特征可以相互结合。
现有光伏阵列中的柔性光伏支架结构体系一般采用双索支撑(无附加索和空间桁架)和三索支撑,通过对与光伏组件直接接触的双索施加预应力来抵抗结构自重以及风雪工况下的作用力。由于采用了柔性的索结构进行支撑,出现了结构刚度小,跨中挠度大,抗风能力弱,极易产生大幅振动的问题。针对上述技术问题,现有技术常采用稳定索将柔性光伏支架中的各索桁机构连为一体,以限制索桁机构的相对位移和扭转。但上述现有技术需要对稳定索进行张拉并配备边锚机构,从而增加了生产成本。同时,稳定索的设置需要各索桁机构大致处于一个平面内,中间不能有起伏,限制了其应用场景。
本申请实施例提供一种光伏阵列,其实质上为一种光电转化设备,可以安装于公司、学校、工厂或野外等各种空旷场合环境中,实现将太阳能转化成电能,以提高和改善人们可再生能源的应用。
请一并结合图1和图2,现对本申请提供的光伏阵列进行说明。该光伏阵列包括柔性光伏支架和光伏组件。进一步地,该柔性光伏支架包括支撑组件(未示出)、索桁机构组10、第一连接架20和第二连接架30。其中,支撑组件的数量为多个且沿第一方向间隔设置。索桁机构组10包括多个沿第一方向延伸并依次设于各支撑组件上的索桁机构11,各索桁机构11沿第二方向间隔设置,第二方向垂直于第一方向。索桁机构11包括高位索111、低位索112、附加索113和多个桁架114。桁架114沿第一方向间隔设置。高位索111、低位索112和附加索113均沿第一方向延伸并与支撑组件连接。如图3所示,桁架114包括第一架体1141、第二架体1142和安装架1143。光伏组件设于安装架1143。第一架体1141的一端和第二架体1142的一端分别与安装架1143连接。高位索111和低位索112设于安装架1143。第一连接架20的数量为多个。各第一连接架20沿第二方向延伸并至少将两个索桁机构11连为一体。第二连接架30的数量为多个。各第二连接架30沿第二方向延伸并至少将两个索桁机构11连为一体。各第二连接架30一一对应位于各第一连接架20的下方,形成一个面状支撑结构。本实施例中,高位索111、低位索112和附加索113均为钢绞线。附加索113设于第二连接架30。第一方向平行于图1中箭头X所指方向,第二方向平行于图1中箭头Y所指方向。
综上,实施本申请实施例,将具有如下有益效果:上述方案的柔性光伏支架应用装备于光伏阵列中,除了使光伏阵列具备极佳的光电转化效能之外,其自身还具有低成本、能够适应较多应用场景的效果。具体而言,该柔性光伏支架包括多个沿第一方向延伸并依次设于各支撑组件上的索桁机构11和多个沿第二方向延伸的第一连接架20和第二连接架30,各第一连接架20至少将两个索桁机构11连为一体,各第二连接架30至少将两个索桁机构11连为一体。如此使得索桁机构11能够在垂直于其延伸方向上得到第一连接架20和第二连接架30两者的共同支撑,同时,第一连接架20和第二连接架30无需进行张拉并配备边锚机构,从而大大节省了生产成本。进一步地,第一连接架20和第二连接架30可根据应用场景的地形需要设计长度,即通过沿第二方向设计多段第一连接架20和第二连接架30以适应地形的起伏,从而拓展了光伏阵列的应用场景。
各第一连接架20至少将两个索桁机构11连为一体,以及各第二连接架30至少将两个索桁机构11连为一体,具体指,在地势较平坦时,第一连接架20和第二连接架30可为一段。在地势起伏时,可通过多段第一连接架20和多段第二连接架30以适应地形的起伏。
进一步地,第一连接架20可通过对高位索111、低位索112和桁架114中的一者提供支撑,进而实现对索桁机构11整体支撑。本实施例中,请继续参阅图3,第一连接架20分别与第一架体1141和第二架体1142连接。第一连接架20与第一架体1141的连接处位于高位索111和附加索113之间。第一连接架20与第二架体1142的连接处位于低位索112和附加索113之间。如此能够保证第一连接架20与索桁机构11的连接稳定性。
在一个实施例中,请继续参阅图3,第一架体1141的一端和第二架体1142的一端分别与安装架1143铰接。第一连接架20分别与第一架体1141和第二架体1142铰接。第一架体1141的另一端和第二架体1142的另一端间隔设置且分别与第二连接架30铰接。如此使得第一架体1141、第二架体1142、安装架1143、第一连接架20和第二连接架30构成两个平行四边形,方便高位索111和低位索112对安装架1143的倾斜角度进行调节,以方便调整光伏组件的角度,以能够更好的面向太阳。安装架1143与光伏组件之间可为可拆连接,以方便维修和更换。同时,第一架体1141、第二架体1142、安装架1143、第一连接架20和第二连接架30构成两个平行四边形还能够方便通过改变上述两个平行四边形的形状以适应地形的起伏,方便柔性光伏支架的安装。
在一个实施例中,请一并结合图3和图6,附加索113设于第二连接架30与第一架体1141和第二架体1142铰接处之间。该位置由于受到第一架体1141和第二架体1142的限制,其刚度较大,在受力时不易变形,从而提升了附加索113加强索桁机构11整体稳定性的作用。
在一个实施例中,请一并结合图3至图5,高位索111位于安装架1143与第一架体1141铰接处的远离第二架体1142一侧,低位索112位于安装架1143与第二架体1142铰接处的远离第一架体1141一侧。如此使得高位索111和低位索112位于安装架1143相对较远的两端,以方便高位索111和低位索112的驱动力能够更好的传递至安装架1143,以方便调整其角度。
在一个实施例中,请一并结合图4至图6,高位索111通过第一U型件115设于安装架1143。低位索112通过第二U型件116设于安装架1143。附加索113通过第三U型件117设于第二连接架30。如此通过第一U型件115、第二U型件116和第三U型件117的设置能够在保证高位索111、低位索112和附加索113延伸方向不变的情况下,将其与安装架1143和第二连接架30连接。进一步地,第一U型件115和第二U型件116可通过螺栓与安装架1143可拆连接。第三U型件117可通过螺栓与第二连接架30可拆连接。
在一个实施例中,如图3所示,安装架1143与第一架体1141和第二架体1142的铰接处间距大于第二连接架30与第一架体1141和第二架体1142的铰接处间距。如此在方便对安装架1143角度调节的同时,由于第二连接架30与第一架体1141和第二架体1142的铰接处具有较小的间距,从而能够提升第一架体1141和第二架体1142对安装架1143的支撑效果,保证安装架1143位置的相对稳定。
在一个实施例中,请一并结合图4至图6,第一架体1141、第二架体1142、安装架1143、第一连接架20和第二连接架30均为C型杆,如此能够在减轻第一架体1141、第二架体1142、安装架1143、第一连接架20和第二连接架30重量的同时,方便第一架体1141、第二架体1142、安装架1143、第一连接架20和第二连接架30之间铰接位置的装配。本实施例中,铰接位置均通过螺栓实现铰接,C型杆的口部能够对螺栓的安装进行避让,方便其拆装。
在一个实施例中,支撑组件包括多个沿第二方向间隔设置的立柱和将各立柱连为一体的横梁,高位索111、低位索112和附加索113均与横梁连接。如此能够提高支撑组件整体的稳定性,进而提升柔性光伏支架整体的稳定性。
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上所揭露的仅为本申请较佳实施例而已,当然不能以此来限定本申请之权利范围,因此依本申请权利要求所作的等同变化,仍属本申请所涵盖的范围。

Claims (10)

  1. 柔性光伏支架,其特征在于,包括:
    支撑组件,所述支撑组件的数量为多个且沿第一方向间隔设置;
    索桁机构组,所述索桁机构组包括多个沿所述第一方向延伸并依次设于各所述支撑组件上的索桁机构,各所述索桁机构沿第二方向间隔设置,所述第二方向垂直于所述第一方向,所述索桁机构包括高位索、低位索、附加索和多个桁架,所述桁架沿所述第一方向间隔设置,所述高位索、所述低位索和所述附加索均沿所述第一方向延伸并与所述支撑组件连接,所述桁架包括第一架体、第二架体和安装架,所述第一架体的一端和所述第二架体的一端分别与所述安装架连接,所述高位索和所述低位索设于所述安装架;
    第一连接架,所述第一连接架的数量为多个,各所述第一连接架沿所述第二方向延伸并至少将两个所述索桁机构连为一体;及
    第二连接架,所述第二连接架的数量为多个,各所述第二连接架沿所述第二方向延伸并至少将两个所述索桁机构连为一体,各所述第二连接架一一对应位于各所述第一连接架的下方,所述附加索设于所述第二连接架。
  2. 根据权利要求1所述的柔性光伏支架,其特征在于,所述第一连接架分别与所述第一架体和所述第二架体连接,所述第一连接架与所述第一架体的连接处位于所述高位索和所述附加索之间,所述第一连接架与所述第二架体的连接处位于所述低位索和所述附加索之间。
  3. 根据权利要求2所述的柔性光伏支架,其特征在于,所述第一架体的一端和所述第二架体的一端分别与所述安装架铰接,所述第一连接架分别与所述第一架体和所述第二架体铰接,所述第一架体的另一端和所述第二架体的另一端间隔设置且分别与所述第二连接架铰接。
  4. 根据权利要求3所述的柔性光伏支架,其特征在于,所述附加索设于所述第二连接架与所述第一架体和所述第二架体铰接处之间。
  5. 根据权利要求3所述的柔性光伏支架,其特征在于,所述高位索位于所述安装架与所述第一架体铰接处的远离所述第二架体一侧,所述低位索位于所述安装架与所述第二架体铰接处的远离所述第一架体一侧。
  6. 根据权利要求3所述的柔性光伏支架,其特征在于,所述高位索通过第一U型件设于所述安装架,所述低位索通过第二U型件设于所述安装架,所述附加索通过第三U型件设于所述第二连接架。
  7. 根据权利要求3所述的柔性光伏支架,其特征在于,所述安装架与所述第一架体和所述第二架体的铰接处间距大于所述第二连接架与所述第一架体和所述第二架体的铰接处间距。
  8. 根据权利要求1所述的柔性光伏支架,其特征在于,所述第一架体、所述第二架体、所述安装架、所述第一连接架和所述第二连接架均为C型杆。
  9. 根据权利要求1所述的柔性光伏支架,其特征在于,所述高位索、所述低位索和所述附加索均为钢绞线。
  10. 光伏阵列,其特征在于,包括如权利要求1~9任一项所述的柔性光伏支架,所述光伏阵列还包括光伏组件,所述光伏组件设于所述安装架。
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