CN118041180A - A basalt fiber photovoltaic support suitable for high corrosion areas - Google Patents

A basalt fiber photovoltaic support suitable for high corrosion areas Download PDF

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Publication number
CN118041180A
CN118041180A CN202410033733.9A CN202410033733A CN118041180A CN 118041180 A CN118041180 A CN 118041180A CN 202410033733 A CN202410033733 A CN 202410033733A CN 118041180 A CN118041180 A CN 118041180A
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CN
China
Prior art keywords
basalt fiber
photovoltaic
fiber component
support suitable
column
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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.)
Pending
Application number
CN202410033733.9A
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Chinese (zh)
Inventor
刘义佳
慕鸿宇
王永明
李瑞泽
丁聪
董宝顺
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.)
PowerChina Huadong Engineering Corp Ltd
Zhejiang Huadong Engineering Construction Management Co Ltd
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PowerChina Huadong Engineering Corp Ltd
Zhejiang Huadong Engineering Construction Management Co Ltd
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Publication date
Application filed by PowerChina Huadong Engineering Corp Ltd, Zhejiang Huadong Engineering Construction Management Co Ltd filed Critical PowerChina Huadong Engineering Corp Ltd
Priority to CN202410033733.9A priority Critical patent/CN118041180A/en
Publication of CN118041180A publication Critical patent/CN118041180A/en
Pending legal-status Critical Current

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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
    • H02S20/00—Supporting structures for PV modules
    • H02S20/10—Supporting structures directly fixed to the ground
    • 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
    • F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
    • 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

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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

The application relates to a basalt fiber component photovoltaic bracket suitable for a high corrosion area. The application is suitable for the technical field of photovoltaic bracket design. The application aims to solve the technical problems that: the basalt fiber component photovoltaic bracket is suitable for high-corrosion areas. The technical scheme adopted by the application is as follows: a basalt fiber component photovoltaic bracket suitable for use in highly corrosive areas, comprising: the device comprises a tubular pile, an upright post, an inclined beam, an inclined strut and purlins; the purlines are arranged on the oblique beams according to the installation width of the photovoltaic module; the purlines are used for connecting the photovoltaic modules and bearing the weight of the photovoltaic modules; the upright posts are connected with the tubular piles and the inclined beams, and the inclined struts are fixedly connected with the inclined beams; the upright post, the inclined beam, the inclined strut and the purline are basalt fiber components.

Description

Basalt fiber component photovoltaic bracket suitable for high corrosion area
Technical Field
The invention relates to the technical field of photovoltaic bracket design, in particular to a basalt fiber component photovoltaic bracket applicable to high-corrosion areas.
Background
The photovoltaic bracket is used for supporting the photovoltaic power generation assembly, is one of core equipment/instruments of the photovoltaic power station, and has the cost accounting for about 8% -15% of the total construction cost of the power station, and the reliability and the economy of the structure of the photovoltaic bracket have great influence on the photovoltaic power generation project. In order to reduce occupation of the existing cultivated land, more water surface photovoltaic, salt field photovoltaic, beach photovoltaic and floating photovoltaic power stations are arranged, and the power stations have higher requirements on the corrosion resistance of the photovoltaic bracket. At present, a galvanized steel bracket is often adopted as a photovoltaic bracket, and the traditional hot galvanizing corrosion prevention needs to consider larger coating thickness under high-salt and strong-corrosion environments, so that the scheme economy is poor and the galvanization quality is difficult to ensure; the corrosion resistance of the aluminum plating, the magnesium and the zinc is not yet checked by time, and the use in a high-salt environment still has risks.
Basalt fiber components, light weight, density of about 1/4 of steel; the strength is high, and the tensile strength can exceed 1000MPa; acid and alkali resistance and corrosion resistance; the designability is strong, and the design scheme is combined to carry out targeted processing. The photovoltaic bracket designed by utilizing the basalt fiber component can greatly exert the corresponding performance of the material, and has wide prospect in photovoltaic power stations in environments with stronger environmental corrosivity.
The construction of the project of the photovoltaic power station follows the principle of saving priority, and the construction conditions such as light energy resources, sites, environment and the like are comprehensively considered, and meanwhile, the construction conditions should be optimally configured, the land is reasonably utilized, and the unused land is utilized as much as possible.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a basalt fiber component photovoltaic bracket suitable for a high corrosion area, which comprises the following components: the device comprises a tubular pile, an upright post, an inclined beam, an inclined strut and purlins;
The purlines are arranged on the oblique beams according to the installation width of the photovoltaic module; the purlines are used for connecting the photovoltaic modules and bearing the weight of the photovoltaic modules; the upright posts are connected with the tubular piles and the inclined beams, and the inclined struts are fixedly connected with the inclined beams; the upright post, the inclined beam, the inclined strut and the purline are basalt fiber components.
Preferably, the pipe pile is a prestressed concrete pipe pile.
Preferably, the upright post comprises a front upright post and a rear upright post, the section of the upright post is C-shaped, the upright post is connected with the tubular pile through an upper anchor ear and a lower anchor ear, and the anchor ear is fixed with the upright post through a punching bolt; the top ends of the upright posts are fixed with the inclined beams through punching bolts.
Preferably, the diagonal bracing comprises a front diagonal bracing and a rear diagonal bracing, the cross section of the diagonal bracing is C-shaped, and two ends of the diagonal bracing are respectively fixed with the diagonal bracing and the anchor ear below by adopting punching bolts.
Preferably, the inclined beam is of a C-shaped section, the side face of the inclined beam is connected with the upright post and the inclined strut through bolts, and the top face of the inclined beam is connected with the purline through bolts.
Preferably, a plurality of purlines are arranged on the inclined beam in parallel, and the section of each purline is a box type; the lower extreme and the sloping of purlin pass through bolted connection, and the upper end and the photovoltaic panel of purlin pass through the aluminum alloy briquetting and are connected.
Preferably, a cross arm is provided to connect the front and rear uprights, the cross arm being located above the anchor ear.
Preferably, each long side of the photovoltaic module is provided with two points which are connected with the purline, and a total of 4 points of the photovoltaic module are connected and fixed with the purline.
The beneficial effects of the invention are as follows: the photovoltaic support provided by the invention adopts concrete except the pipe column, and other components are basalt fiber components, so that the corrosion resistance of the basalt components can be fully exerted, the photovoltaic support can be suitable for salt fields in high corrosion areas, and the later maintenance cost is greatly reduced. The density of the basalt fiber component is about 1/4 of that of steel, and the photovoltaic bracket of the basalt fiber component is much lighter than the steel structure bracket under the condition of meeting the same stress, so that the installation and transportation cost can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic bracket provided by the invention;
FIG. 2 is a schematic cross-sectional view of a component;
FIG. 3 is a schematic illustration of the interconnection of components;
FIG. 4 is a schematic view of a photovoltaic panel connected to a purlin;
FIG. 5 is a schematic diagram of finite element calculation results;
reference numerals illustrate: 1. the photovoltaic panel, 2, brace, 3, purlin, 4, sloping, 5 back bracing, 6 rear pillar, 7 cross arm, 8 front pillar, 9 front bracing, 10 staple bolt, 11 tubular pile, 12 aluminum alloy briquetting, 13 bolts.
Detailed Description
The invention is further described below with reference to examples. The following examples are presented only to aid in the understanding of the invention. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present invention without departing from the principles of the invention, and such modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Example 1:
The embodiment of the application provides a basalt fiber component photovoltaic bracket suitable for a high corrosion area, as shown in fig. 1, comprising: the pipe pile 11, the upright post, the inclined beam 4, the inclined strut and the purline 3;
The purlines 3 are arranged on the oblique beams 4 according to the installation width of the photovoltaic module; the purline 3 is used for connecting the photovoltaic module and bearing the weight of the photovoltaic module; the upright posts are connected with the tubular piles 11 and the inclined beams 4, and the inclined struts are fixedly connected with the inclined beams 4; the upright post, the inclined beam 4, the inclined strut and the purline 3 are basalt fiber components.
The pipe pile 11 is a prestressed concrete pipe pile.
As shown in fig. 3, the upright post comprises a front upright post 8 and a rear upright post 6, the section of the upright post is C-shaped, the upright post is connected with a tubular pile 11 through an upper hoop 10 and a lower hoop 10, and the hoops 10 and the upright post are fixed by adopting punching bolts; the top ends of the upright posts are fixed with the inclined beams 4 through punching bolts.
The diagonal bracing comprises a front diagonal bracing 9 and a rear diagonal bracing 5, the cross section of the diagonal bracing is C-shaped, and two ends of the diagonal bracing are respectively fixed with the diagonal beam 4 and the anchor ear 10 below by adopting punching bolts.
The inclined beam 4 is of a C-shaped section, the side face of the inclined beam 4 is connected with the upright post and the inclined strut through the bolt 13, and the top face of the inclined beam 4 is connected with the purline 3 through the bolt 13.
The purlines 3 are arranged on the inclined beams 4 in parallel, and the section of each purline 3 is a box type; as shown in fig. 4, the lower end of the purline 3 is connected with the oblique beam through a bolt 13, and the upper end of the purline 3 is connected with the photovoltaic panel 1 through an aluminum alloy pressing block 12.
A cross arm 7 is provided to connect the front and rear uprights 8, 6, the cross arm 7 being located above the anchor ear 10.
Two points are connected with purline 3 on every long limit of photovoltaic module, and a photovoltaic module is total 4 points fixedly connected with purline.
Example 2:
on the basis of the embodiment 1, the embodiment 2 of the application provides a basalt fiber component photovoltaic bracket which is more particularly suitable for high-corrosion areas.
In this embodiment, the basic wind pressure is 0.85kN/m 2 when the device is positioned on the water surface of a salt pan. Comprehensively considering, a fixed bracket is adopted to take a 16-degree inclination angle. The fixing support adopts transverse purlines, and the longitudinal supports are arranged and consist of tubular piles 11, upright posts, inclined beams 4 and inclined struts. Purlines 3 are arranged on the inclined beams 4 of the support according to the installation width of the photovoltaic module, and the purlines 3 are used for connecting the photovoltaic module and bear the weight of the photovoltaic module. Two points are arranged on each long edge of the component and are connected with the purline, and a photovoltaic component is fixedly connected with the purline at 4 points. The pile foundation is a single prestressed concrete pipe pile, and the rest components are basalt fiber components. Fig. 2 shows a schematic cross-sectional view of the column, purlin 3, photovoltaic panel 1, diagonal beam 4 and cross arm 7 in this embodiment in order.
In the embodiment, the PHC400-A-95 prestressed concrete pipe pile is embedded, and the pile length is 9-12m.
In this embodiment, the pillars are divided into a front pillar 8 and a rear pillar 6, the cross section is c100×50×15×2.5, and the material is basalt fiber member. Is connected with the pipe pile 11 through an upper hoop and a lower hoop, wherein the hoop 10 is fixed with the upright column by adopting a punching bolt. The top ends of the front and rear upright posts are fixed with the inclined beam 4 through punching bolts.
In the embodiment, the inclined support is divided into a front inclined support 9 and a rear inclined support 5, the section is C60×40X115×2.0, the material is basalt fiber components, and two ends of the inclined support are respectively fixed with the inclined beam 4 and the lower anchor ear by adopting punching bolts.
In the embodiment, the inclined beam is of a C160×70X20X3 section, the basalt fiber member is made of materials, the side face is connected with the front and rear supports and the front and rear upright posts through bolts, and the top face is connected with the purline through bolts.
In the embodiment, 4 purlines are arranged on the inclined beam in parallel, the section is a box type, the material is basalt fiber components, the lower end of the purline is connected with the inclined beam through bolts, and the upper end of the purline is connected with the photovoltaic panel through bolts.
In the embodiment, a photovoltaic bracket finite element model is established, wherein the elastic modulus of a basalt fiber component is 50GPa, the density of the basalt fiber component is 2000kg/m 3, the deformation result is analyzed under the effect of a design load, and the maximum vertical deformation is 1.7cm at the purline midspan position at the highest position, and the maximum deflection is 0.9cm, so that the design specification requirement is met.

Claims (8)

1.一种适用于高腐蚀地区的玄武岩纤维构件光伏支架，其特征在于，包括：管桩、立柱、斜梁、斜撑和檩条；1. A basalt fiber photovoltaic support suitable for high corrosion areas, characterized by comprising: pipe piles, columns, inclined beams, diagonal braces and purlins; 其中，在所述斜梁上，按照光伏组件的安装宽度布置檩条；所述檩条用于连接光伏组件，承受光伏组件的重量；所述立柱与所述管桩和所述斜梁相连，所述斜撑与所述斜梁固定连接；所述立柱、斜梁、斜撑和檩条均为玄武岩纤维构件。Among them, on the inclined beam, purlins are arranged according to the installation width of the photovoltaic module; the purlins are used to connect the photovoltaic module and bear the weight of the photovoltaic module; the columns are connected to the pipe piles and the inclined beams, and the inclined braces are fixedly connected to the inclined beams; the columns, inclined beams, inclined braces and purlins are all basalt fiber components. 2.根据权利要求1所述的适用于高腐蚀地区的玄武岩纤维构件光伏支架，其特征在于，所述管桩为预应力混凝土管桩。2. The basalt fiber component photovoltaic support suitable for high-corrosion areas according to claim 1 is characterized in that the pipe piles are prestressed concrete pipe piles. 3.根据权利要求2所述的适用于高腐蚀地区的玄武岩纤维构件光伏支架，其特征在于，所述立柱包括前立柱和后立柱，立柱的截面为C型，所述立柱通过上下两个抱箍与管桩相连接，其中抱箍与立柱间采用打孔螺栓固定；立柱顶端与斜梁通过打孔螺栓固定。3. According to claim 2, the basalt fiber component photovoltaic support suitable for high-corrosion areas is characterized in that the column includes a front column and a rear column, the cross-section of the column is C-shaped, and the column is connected to the pipe pile through two upper and lower hoops, wherein the hoops and the columns are fixed with punched bolts; the top of the column is fixed to the inclined beam by punched bolts. 4.根据权利要求3所述的适用于高腐蚀地区的玄武岩纤维构件光伏支架，其特征在于，所述斜撑包括前斜撑和后斜撑，斜撑的截面为C型，斜撑两端采用打孔螺栓分别与斜梁和下方的抱箍固定。4. According to claim 3, the basalt fiber component photovoltaic support suitable for high-corrosion areas is characterized in that the diagonal brace includes a front diagonal brace and a rear diagonal brace, the cross-section of the diagonal brace is C-shaped, and the two ends of the diagonal brace are fixed to the diagonal beam and the clamp below respectively by punched bolts. 5.根据权利要求4所述的适用于高腐蚀地区的玄武岩纤维构件光伏支架，其特征在于，所述斜梁为C型截面，斜梁的侧面通过螺栓连接立柱和斜撑，斜梁的顶面通过螺栓连接檩条。5. The basalt fiber component photovoltaic support suitable for high-corrosion areas according to claim 4 is characterized in that the inclined beam has a C-shaped cross-section, the side of the inclined beam is connected to the column and the diagonal brace by bolts, and the top surface of the inclined beam is connected to the purlin by bolts. 6.根据权利要求5所述的适用于高腐蚀地区的玄武岩纤维构件光伏支架，其特征在于，多根檩条平行布置在斜梁上，檩条截面为箱型；檩条的下端与斜梁通过螺栓连接，檩条的上端与光伏面板通过铝合金压块连接。6. According to claim 5, the basalt fiber component photovoltaic support suitable for high-corrosion areas is characterized in that a plurality of purlins are arranged in parallel on the inclined beam, and the cross-section of the purlin is box-shaped; the lower end of the purlin is connected to the inclined beam by bolts, and the upper end of the purlin is connected to the photovoltaic panel by an aluminum alloy pressing block. 7.根据权利要求6所述的适用于高腐蚀地区的玄武岩纤维构件光伏支架，其特征在于，设置有横担以连接前立柱和后立柱，所述横担位于抱箍的上方。7. The basalt fiber component photovoltaic support suitable for high-corrosion areas according to claim 6 is characterized in that a cross arm is provided to connect the front column and the rear column, and the cross arm is located above the hoop. 8.根据权利要求7所述的适用于高腐蚀地区的玄武岩纤维构件光伏支架，其特征在于，光伏组件每条长边上有二个点与檩条连接，一块光伏组件共有4个点与檩条连接固定。8. The basalt fiber component photovoltaic support suitable for high-corrosion areas according to claim 7 is characterized in that each long side of the photovoltaic module has two points connected to the purlin, and a photovoltaic module has a total of 4 points connected and fixed to the purlin.
CN202410033733.9A 2024-01-09 2024-01-09 A basalt fiber photovoltaic support suitable for high corrosion areas Pending CN118041180A (en)

Priority Applications (1)

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CN202410033733.9A CN118041180A (en) 2024-01-09 2024-01-09 A basalt fiber photovoltaic support suitable for high corrosion areas

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CN202410033733.9A CN118041180A (en) 2024-01-09 2024-01-09 A basalt fiber photovoltaic support suitable for high corrosion areas

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CN118041180A true CN118041180A (en) 2024-05-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119483436A (en) * 2024-11-13 2025-02-18 西安西电新能源有限公司 An energy-consuming basalt fiber photovoltaic support without hole connection
CN119787938A (en) * 2024-12-31 2025-04-08 武汉汇缘企业管理有限公司 Composite material photovoltaic bracket for windblown sand and tidal flat area and manufacturing method of composite material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119483436A (en) * 2024-11-13 2025-02-18 西安西电新能源有限公司 An energy-consuming basalt fiber photovoltaic support without hole connection
CN119787938A (en) * 2024-12-31 2025-04-08 武汉汇缘企业管理有限公司 Composite material photovoltaic bracket for windblown sand and tidal flat area and manufacturing method of composite material

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