CN117521220A - Photovoltaic power station BIM design method based on openroads - Google Patents
Photovoltaic power station BIM design method based on openroads Download PDFInfo
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- CN117521220A CN117521220A CN202311556123.9A CN202311556123A CN117521220A CN 117521220 A CN117521220 A CN 117521220A CN 202311556123 A CN202311556123 A CN 202311556123A CN 117521220 A CN117521220 A CN 117521220A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention relates to a photovoltaic power station BIM design method based on openroads, which is performed by using openroads software and comprises the following steps: and (3) electric design: completing analysis of the terrain according to set terrain judging conditions to obtain an arrangeable block area; according to the topographic conditions of the arrangeable blocking areas, combining the illumination condition data and parameters of the matched electrical equipment required by the photovoltaic power station, and according to the set photovoltaic field arrangement conditions, completing the design of the photovoltaic field; determining an electric loop design according to the arrangement of the photovoltaic modules, the division of the power generation units and the arrangement of matched electric equipment in combination with the terrain conditions; and (3) civil engineering foundation design: according to the topography condition and the arrangement form of the photovoltaic module, designing bracket parameters of the photovoltaic module, determining a civil foundation according to the topography condition, the bracket parameters and the arrangement mode of matched electrical equipment, and generating a civil foundation arrangement diagram and a detailed diagram; structural design: and determining the model and the position of the terminal tower according to the terrain conditions, the arrangement condition of the box-type transformers and the condition of a transmission power grid.
Description
Technical Field
The invention relates to the technical field of photovoltaic power station design, in particular to a photovoltaic power station BIM design method based on openroads.
Background
In various business and management fields, the method has great potential for realizing efficiency improvement, management optimization and innovation development by means of digitalization. In order to develop the research and development of digital core products, the development of important technologies, the incubation of emerging businesses and the cultivation of talents teams, a new technology, a new method, a new standard and a new mode of deep integration of businesses and digitalization are actively explored so as to digitally promote the energy level promotion and the cultivation and development of the traditional businesses. In order to effectively improve the digital management level and business capability, the research and construction of the forward design software tool of BIM are very necessary.
The three-dimensional design software is combined with the design flow, links such as standard specification content, a calculation formula and the like in the design process are fused, a component library of conventional engineering is accumulated, and a software tool with semi-automatic design capability is formed. Meanwhile, the method is innovative in concept, platform and management, and is specifically as follows: and (5) creating a concept. Reformulating enterprise-level digital transformation strategy around fourteen-five planning and changes in enterprise mission; the platform innovation takes the three-dimensional design as a core, so that more convenient operation and user experience are promoted, and more efficient three-dimensional design is provided; management innovation, power-assisted management digital transformation, construction of an enterprise-level full-service capacity map, and exploration of multi-level management modes such as a platform level, a project level, a resource mechanism level and the like.
At present, in a photovoltaic power station, although calculation software is also used, a data interaction channel, such as Plaxis, prostructure, sap2000, candela, wood energy and the like, is difficult to realize among different calculation software, a fast mature design method is difficult to form, and the design work efficiency is low.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a photovoltaic power station BIM design method based on openroads all the time, which can integrate electrical design, civil engineering design and structural design in the photovoltaic power station setting, and improve design efficiency.
In order to achieve the above purpose, the invention provides a photovoltaic power station BIM design method based on openroads, which is performed by using openroads software and comprises the following steps:
s1, electric design:
s11, importing a topography file of a photovoltaic power station construction site into openroads software, completing analysis of topography according to set topography judgment conditions, wherein the topography judgment conditions comprise gradient angles, taking a blocking area which can be used for installing a photovoltaic module in the photovoltaic power station construction site as an arrangeable blocking area, and taking a blocking area which cannot be used for installing the photovoltaic module as an unofigurable blocking area, and distinguishing and marking;
s12, according to the topographic conditions of the arrangeable blocking areas, combining the illumination condition data and parameters of the matched electrical equipment required by the photovoltaic power station, completing the design of the photovoltaic field according to the set photovoltaic field arrangement conditions, wherein the matched electrical equipment comprises a box-type transformer;
s13, determining an electric loop design according to the arrangement of the photovoltaic modules, the division of the power generation units and the arrangement of matched electric equipment and combining with the terrain conditions, wherein the electric loop comprises the arrangement paths of cables among all parts;
s2, civil engineering foundation design:
s21, designing bracket parameters of the photovoltaic module according to the topographic conditions in the arrangeable partitioned areas, the arrangement form of the photovoltaic module and the bracket parameters, wherein the bracket parameters comprise the heights of the stand columns of the bracket;
s22, determining the civil foundation of the support and the matched electrical equipment according to the topography condition, the support parameter and the matched electrical equipment arrangement mode, and generating a corresponding civil foundation arrangement diagram and a detailed diagram;
s3, structural design: and determining the model and the arrangement position of the terminal tower according to the terrain conditions and the arrangement condition of the box-type transformer in the matched electrical equipment and combining the condition of a transmission power grid at the construction site of the photovoltaic power station.
Further, in the step S11, the arrangeable block area and the non-arrangeable block area are distinguished by different color marks.
Further, in the step S11, the terrain file is in dwg format, and the terrain information is mainly contour lines, and the area with the gradient angle larger than 20 ° is determined as the non-arrangeable block area.
Further, in the step S12, the design of the photovoltaic field is described in "photovoltaic power plant design Specification GB 50797-2021".
Further, in the step S12, the photovoltaic module is arranged in a manner including: setting an inclination angle of the photovoltaic module, an arrangement form of a rectangular array and array parameters, wherein the row direction of the rectangular array is along the east-west direction, the column direction is along the north-south direction, and the array parameters comprise east-west spacing and north-south spacing to determine the length-width dimension of the photovoltaic module; and determining the maximum number of rows and the maximum number of columns of the rectangular array of the photovoltaic modules according to the maximum distance of the arrangeable blocking area in the north-south direction and the east-west direction and combining the length-width dimension, the east-west distance and the north-south distance of the photovoltaic panels, and reserving the photovoltaic modules positioned in the arrangeable blocking area as a photovoltaic module array set arranged in the arrangeable blocking area.
Further, in the step S12, the dividing manner of the power generation unit includes: dividing each arrangeable block area into a plurality of power generation units, and setting rated capacity of each power generation unit; and selecting a plurality of photovoltaic modules by a selection frame along the row and column directions of the photovoltaic module array set, so that the total power generation capacity of the photovoltaic modules in the selection frame is closest to and smaller than the rated capacity of the power generation unit, then creating the photovoltaic modules in the selection frame as a power generation unit, and attaching the attribute of the power generation unit.
Further, in the step S12, the manner of arranging the matched electrical device includes: the matched electrical equipment comprises a box-type transformer, a combiner box and an inverter box, wherein the box-type transformer is arranged in the middle of the area where each power generation unit is positioned; the photovoltaic module in the power generation unit is divided into a plurality of bus management areas, one bus box and one inverter are arranged in each bus management area, the arrangement positions of the bus box and the inverters are determined, and cable trenches from the inverters to the box-type transformers are generated according to terrain conditions.
Further, in the step S22, the design of the civil engineering foundation refers to "building foundation design Specification GB 50007" and "building pile foundation technical Specification JgJ 94".
Further, in the step S22, a plurality of civil engineering foundation patterns are prefabricated to form a civil engineering foundation database, and then an appropriate civil engineering foundation is selected from the civil engineering foundation database according to the topography condition, the bracket parameters and the layout mode of the matched electrical equipment.
Further, in the steps S1, S2 and S3, corresponding reports and drawings are generated finally.
As described above, the photovoltaic power station BIM design method related to the present invention has the following beneficial effects:
1. the electrical design, the civil engineering basic design and the structural design in the BIM design of the photovoltaic power station can be integrated, data interaction among different design modules is realized, project data and investment are circulated in one design tool, the analysis result can be used for quickly generating a design scheme, and the design efficiency of each specialty of the photovoltaic project is improved.
2. The power generation unit in the electrical design is divided and matched with the electrical equipment to be arranged, the arrangement is reasonable, the wiring and the management can be convenient, and the manufacturing cost is reduced.
Drawings
Fig. 1 is a schematic flow chart of the photovoltaic power plant BIM design method of the present invention.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for convenience of description, but are not to be construed as limiting the scope of the invention, and the relative changes or modifications are not to be construed as essential to the scope of the invention.
Referring to fig. 1, the invention provides a photovoltaic power station BIM design method based on openroads, which is performed by using openroads software and comprises the following steps:
s1, electric design:
s11, importing a terrain file of a photovoltaic power station construction site into openroads software, completing analysis of the terrain according to set terrain judgment conditions, wherein the terrain judgment conditions comprise gradient angles, or of course, other conditions, taking a blocking area which can be used for installing a photovoltaic module in the photovoltaic power station construction site as a arrangeable blocking area, taking a blocking area which cannot be used for installing the photovoltaic module as an unorranged blocking area, and marking the blocking area in a distinguishing way.
Specifically, the terrain file is in dwg format, the terrain information is mainly in contour lines, when the terrain is judged, the area, such as the area with the gradient angle larger than 20 degrees, is used as the non-arrangeable block area, and when the terrain is judged, the area with the gradient angle larger than 20 degrees is used as the arrangeable block area, so that the construction site of the photovoltaic power station can be divided into a plurality of block areas. In software, the arrangeable and non-arrangeable tiles areas are typically displayed in a triangle network topography. Wherein the non-arrangeable blocked areas are displayed in red, the arrangeable blocked areas may be identified in a different color, such as green or the like.
S12, according to the topographic conditions of the arrangeable block areas, combining the illumination condition data and parameters of the matched electrical equipment required by the photovoltaic power station, and according to the set photovoltaic field arrangement conditions, completing the design of the photovoltaic field, wherein the design comprises the arrangement form of the photovoltaic modules, the division of the power generation units and the arrangement of the matched electrical equipment. The design of the photovoltaic field design is referred to in photovoltaic power plant design Specification GB 50797-2021.
In this embodiment, preferably, the photovoltaic module is arranged in a manner including: setting the inclination angle of the photovoltaic module, the array arrangement form and the array parameters, wherein the row direction of the rectangular array is along the east-west direction, the column direction is along the north-south direction, and the array parameters comprise the east-west spacing (namely, column spacing) and the north-south spacing (namely, row spacing); and determining the length and width dimensions of the photovoltaic module, wherein the photovoltaic module is determined specifically according to the design scheme (such as generating capacity and the like) of the photovoltaic power station, the arrangement form of the photovoltaic module array and the like. According to the maximum distance of the arrangeable partitioned area in the north-south direction and the east-west direction, the maximum line number and the maximum column number of the rectangular array of the photovoltaic modules are determined by combining the length-width dimension, the east-west distance and the north-south distance of the photovoltaic panels, the photovoltaic modules positioned in the arrangeable partitioned area are reserved, and for the photovoltaic module array set arranged in the arrangeable partitioned area, the related attributes of the photovoltaic module array set can be added in software and are integrated into the sub-level corresponding to the arrangeable partitioned area.
In this embodiment, preferably, the dividing manner of the power generation unit includes: dividing each arrangeable block area into a plurality of power generation units, and setting rated capacity of each power generation unit; and selecting a plurality of photovoltaic modules by a selection frame along the row and column directions of the photovoltaic module array set, so that the total power generation capacity of the photovoltaic modules in the selection frame is closest to and smaller than the rated capacity of the power generation unit, classifying the photovoltaic modules in the selection frame into the power generation unit, and attaching the attribute of the power generation unit. Preferably, the power generation units in the block areas can be arranged in a north-to-south manner, each selection frame can select a row of photovoltaic modules gradually from west to east, if rated capacity is not met, then the next row is continuously selected from south, and the total power generation capacity of the selected photovoltaic modules is also selected gradually from west to active, so that the total power generation capacity of the selected photovoltaic modules meets the requirement, for example, in the north-most power generation unit, the north-most rows of complete photovoltaic modules are selected, the south-most row in the frame can be located in the selection frame completely or partially, and the rest of photovoltaic modules in the row are located in the selection frame of the next power generation unit. In the above manner, each arrangeable partitioned area is divided into a plurality of power generation units so as to perform the arrangement of the related matched electrical equipment and the arrangement of the cables.
In this embodiment, preferably, the manner in which the mating electrical device is arranged includes: the matched electrical equipment comprises a box-type transformer, a combiner box, an inverter box and the like, wherein the box-type transformer is arranged in the middle of the area where each power generation unit is positioned; the photovoltaic module in the power generation unit is divided into a plurality of bus management areas, one bus box and one inverter are arranged in each bus management area, the arrangement positions of the bus box and the inverters are determined, and cable trenches from the inverters to the box-type transformers are generated according to terrain conditions. Specifically, according to the scheme selection of the photovoltaic power station design scheme, the length, width, size and the like of the box-type transformer are determined, the box-type transformer is arranged at the middle position of the area where the power generation unit is located, and specifically, the box-type transformer can be determined according to a selection frame corresponding to the power generation unit, if the box-type transformer and a certain photovoltaic module in the box-type transformer have an intersecting interference problem, the photovoltaic module is deleted from the power generation unit. The box transformer is associated with the power generation unit, for example, it may be moved in software into the sub-stage to which the power generation unit belongs.
In this embodiment, the photovoltaic module in the power generation unit is divided into a plurality of confluence management areas, each confluence management area is confluent through one confluence box, and then is converted into alternating current through the inverter box, and then is conveyed into the box-type transformer for boosting. The combiner box and the inverter may be disposed on a support of the photovoltaic module when arranged. After the positions of the junction box and the inverter are determined, the equipment attributes of the junction box and the inverter are added and are associated with the photovoltaic modules in the corresponding junction management area, and the photovoltaic modules are integrated into the corresponding sub-stages. And according to the positions of the box-type transformers, the inversion boxes and the confluence boxes in each arrangeable block area, combining terrain adjustment to obtain a cable trench between the inversion boxes and the box-type transformers, and arranging cables between the inversion boxes and the box-type transformers. The cable trenches of each inverter box extend in the east-west direction and then extend to the box-type transformer in the north-south direction, and the cable trenches of the inverter boxes are integrated in the north-south direction. The positions of the combiner box and the inverter box are determined according to the rules that the number of cable ditches is minimum and the position is close to the box change.
S13, according to the arrangement of the photovoltaic modules, the division of the power generation units and the arrangement of the matched electrical equipment, determining the design of an electrical loop according to the terrain conditions, wherein the electrical loop comprises the arrangement paths of cables among all parts, and drawing a three-dimensional model of the cables. Specifically, the cable between the combiner box and the inverter box and the cable between the inverter box and the box-type transformer are included, wherein the cable between the inverter box and the box-type transformer is arranged along the cable trench.
S2, civil engineering foundation design:
s21, designing bracket parameters of the photovoltaic module according to the topographic conditions in the arrangeable partitioned areas, the arrangement form of the photovoltaic module and the bracket parameters, wherein the bracket parameters comprise the heights of the stand columns of the bracket;
s22, determining the civil foundation of the support and the matched electrical equipment according to the topography condition, the support parameter and the matched electrical equipment arrangement mode, and generating a corresponding civil foundation arrangement diagram and a detailed diagram. The civil engineering foundation is used for fixedly mounting the bracket and the matched electrical equipment on the ground, wherein the design of the civil engineering foundation is referred to the building foundation design specification GB50007 and the building pile foundation technical specification JGJ 94. Preferably, a plurality of civil foundation patterns are prefabricated, a civil foundation database is formed, the civil foundation database is stored in a software system, and then an appropriate civil foundation is selected from the civil foundation database according to the topography condition, the bracket parameters and the arrangement mode of the matched electrical equipment.
S3, structural design: according to the terrain conditions and the arrangement condition of the box-type transformers in the matched electrical equipment, the model and the arrangement position of the terminal tower are determined by combining the condition of the transmission power grid at the construction site of the photovoltaic power station, and particularly, the position of the central point of the terminal tower can be clicked at a proper position in a drawing to draw a corresponding terminal tower plane symbol. The terminal tower is used for connecting the high-voltage alternating current boosted by the box-type transformer to a transmission power grid.
After the electrical design, the civil engineering basic design and the structural design are completed, corresponding reports and drawings are generated.
The BIM design method of the photovoltaic power station has the following beneficial effects:
1. the electrical design, the civil engineering basic design and the structural design in the BIM design of the photovoltaic power station can be integrated, data interaction among different design modules is realized, project data and investment are circulated in one design tool, the analysis result can be used for quickly generating a design scheme, and the design efficiency of each specialty of the photovoltaic project is improved.
2. The power generation unit in the electrical design is divided and matched with the electrical equipment to be arranged, the arrangement is reasonable, the wiring and the management can be convenient, and the manufacturing cost is reduced.
In summary, the present invention effectively overcomes the disadvantages of the prior art and has high industrial utility value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. The photovoltaic power station BIM design method based on openroads is carried out by using openroads software and is characterized in that: the method comprises the following steps:
s1, electric design:
s11, importing a topography file of a photovoltaic power station construction site into openroads software, completing analysis of topography according to set topography judgment conditions, wherein the topography judgment conditions comprise gradient angles, taking a blocking area which can be used for installing a photovoltaic module in the photovoltaic power station construction site as an arrangeable blocking area, and taking a blocking area which cannot be used for installing the photovoltaic module as an unofigurable blocking area, and distinguishing and marking;
s12, according to the topographic conditions of the arrangeable blocking areas, combining the illumination condition data and parameters of the matched electrical equipment required by the photovoltaic power station, completing the design of the photovoltaic field according to the set photovoltaic field arrangement conditions, wherein the matched electrical equipment comprises a box-type transformer;
s13, determining an electric loop design according to the arrangement of the photovoltaic modules, the division of the power generation units and the arrangement of matched electric equipment and combining with the terrain conditions, wherein the electric loop comprises the arrangement paths of cables among all parts;
s2, civil engineering foundation design:
s21, designing bracket parameters of the photovoltaic module according to the topographic conditions in the arrangeable partitioned areas, the arrangement form of the photovoltaic module and the bracket parameters, wherein the bracket parameters comprise the heights of the stand columns of the bracket;
s22, determining the civil foundation of the support and the matched electrical equipment according to the topography condition, the support parameter and the matched electrical equipment arrangement mode, and generating a corresponding civil foundation arrangement diagram and a detailed diagram;
s3, structural design: and determining the model and the arrangement position of the terminal tower according to the terrain conditions and the arrangement condition of the box-type transformer in the matched electrical equipment and combining the condition of a transmission power grid at the construction site of the photovoltaic power station.
2. The photovoltaic power plant BIM design method of claim 1, wherein: in the step S11, the arrangeable and non-arrangeable divided areas are distinguished by different color marks.
3. The photovoltaic power plant BIM design method of claim 1, wherein: in the step S11, the terrain file is in dwg format, and the terrain information is mainly contour lines, and the area with the gradient angle larger than 20 ° is determined as the non-arrangeable block area.
4. The photovoltaic power plant BIM design method of claim 1, wherein: in the step S12, the design of the photovoltaic field is referred to the photovoltaic power plant design Specification GB 50797-2021.
5. The photovoltaic power plant BIM design method of claim 1, wherein: in the step S12, the photovoltaic module is arranged in a manner including: setting an inclination angle of the photovoltaic module, an arrangement form of a rectangular array and array parameters, wherein the row direction of the rectangular array is along the east-west direction, the column direction is along the north-south direction, and the array parameters comprise east-west spacing and north-south spacing to determine the length-width dimension of the photovoltaic module; and determining the maximum number of rows and the maximum number of columns of the rectangular array of the photovoltaic modules according to the maximum distance of the arrangeable blocking area in the north-south direction and the east-west direction and combining the length-width dimension, the east-west distance and the north-south distance of the photovoltaic panels, and reserving the photovoltaic modules positioned in the arrangeable blocking area as a photovoltaic module array set arranged in the arrangeable blocking area.
6. The photovoltaic power plant BIM design method of claim 5, wherein: in the step S12, the dividing manner of the power generation unit includes: dividing each arrangeable block area into a plurality of power generation units, and setting rated capacity of each power generation unit; and selecting a plurality of photovoltaic modules by a selection frame along the row and column directions of the photovoltaic module array set, so that the total power generation capacity of the photovoltaic modules in the selection frame is closest to and smaller than the rated capacity of the power generation unit, then creating the photovoltaic modules in the selection frame as a power generation unit, and attaching the attribute of the power generation unit.
7. The photovoltaic power plant BIM design method of claim 6, wherein: in the step S12, the arrangement manner of the matched electrical equipment includes: the matched electrical equipment comprises a box-type transformer, a combiner box and an inverter box, wherein the box-type transformer is arranged in the middle of the area where each power generation unit is positioned; the photovoltaic module in the power generation unit is divided into a plurality of bus management areas, one bus box and one inverter are arranged in each bus management area, the arrangement positions of the bus box and the inverters are determined, and cable trenches from the inverters to the box-type transformers are generated according to terrain conditions.
8. The photovoltaic power plant BIM design method of claim 1, wherein: in the step S22, the design of the civil engineering foundation refers to "building foundation design Specification GB 50007" and "building pile foundation technical Specification JgJ 94".
9. The photovoltaic power plant BIM design method of claim 1, wherein: in step S22, a plurality of civil engineering foundation patterns are prefabricated to form a civil engineering foundation database, and then an appropriate civil engineering foundation is selected from the civil engineering foundation database according to the topography condition, the bracket parameters and the layout mode of the matched electrical equipment.
10. The photovoltaic power plant BIM design method of claim 1, wherein: in the steps S1, S2 and S3, corresponding reports and drawings are generated finally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311556123.9A CN117521220A (en) | 2023-11-20 | 2023-11-20 | Photovoltaic power station BIM design method based on openroads |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311556123.9A CN117521220A (en) | 2023-11-20 | 2023-11-20 | Photovoltaic power station BIM design method based on openroads |
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| CN117521220A true CN117521220A (en) | 2024-02-06 |
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| CN202311556123.9A Pending CN117521220A (en) | 2023-11-20 | 2023-11-20 | Photovoltaic power station BIM design method based on openroads |
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