CN117439542A - High-bearing large-span photovoltaic flexible support structure - Google Patents
High-bearing large-span photovoltaic flexible support structure Download PDFInfo
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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
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- 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
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- 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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Abstract
The invention belongs to the field of photovoltaic supports, relates to a flexible steel frame construction technology, and is used for solving the problem that a photovoltaic flexible support structure in the prior art cannot monitor the installation stability of a photovoltaic panel, in particular to a high-bearing large-span photovoltaic flexible support structure, which comprises two groups of symmetrical steel columns, wherein the number of each group of steel columns is two, a fixing frame is fixedly arranged between the tops of each group of two steel columns, a plurality of groups of steel frames are arranged between the two groups of steel columns, the number of each group of steel frames is two, steel beams are fixedly arranged between the tops of each group of two steel frames, a plurality of stay bars and steel cables are arranged between adjacent steel beams, and even photovoltaic panels are arranged at the tops of the stay bars and the steel cables; the invention can detect and analyze the installation stability of the photovoltaic panel, then comprehensively analyze the vibration coefficients of all the photovoltaic panels to obtain the monitoring coefficient, and feed back the integral operation stability of the photovoltaic panel in the monitoring period through the monitoring coefficient.
Description
Technical Field
The invention belongs to the field of photovoltaic supports, relates to a flexible steel frame construction technology, and particularly relates to a high-bearing large-span photovoltaic flexible support structure.
Background
With the development of technology in recent years and the development of photovoltaic projects becoming wider, the flexible support starts to exert its unique economic and technical advantages in terms of cost and environmental adaptability, and the flexible support has very wide application fields in view of the structural uniqueness, and is universally applicable to sewage treatment plants, agricultural light complementation, fishing light complementation, mountain photovoltaic, parking lot photovoltaic and the like.
The installation stability of the photovoltaic flexible support structure in the prior art cannot be monitored, and further the installation parameters of the photovoltaic flexible support structure cannot be optimally analyzed according to the stability monitoring result, particularly, the installation stability of the photovoltaic panel of the photovoltaic flexible support structure cannot be guaranteed under the meteorological conditions of strong wind and breeze.
Aiming at the technical problems, the application provides a solution.
Disclosure of Invention
The invention aims to provide a high-bearing large-span photovoltaic flexible support structure, which is used for solving the problem that the photovoltaic flexible support structure in the prior art cannot monitor the installation stability of a photovoltaic panel;
the technical problems to be solved by the invention are as follows: how to provide a photovoltaic flexible support structure that can monitor the mounting stability of a photovoltaic panel.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a high-load-bearing large-span photovoltaic flexible support structure, includes two sets of symmetrical steel columns, every group the quantity of steel column is two and all installs the mount between the top of every two steel columns of group, is provided with a plurality of groups steelframe between two sets of all steel columns, every group the quantity of steelframe is two, and all installs the girder steel between the top of every two sets of steelframe, is provided with a plurality of vaulting pole and cable between the adjacent girder steel, and the vaulting pole is provided with even photovoltaic board with the top of cable wire;
the steel column is provided with a processor which is in communication connection with a vibration monitoring module, a shaking analysis module, an optimization analysis module and a storage module;
the vibration monitoring module is used for monitoring vibration of the photovoltaic panel: generating a monitoring period, dividing the monitoring period into a plurality of monitoring periods, acquiring monitoring coefficients of the monitoring periods, and marking the monitoring periods as stable periods or shaking periods through the monitoring coefficients;
the shaking analysis module is used for analyzing stability influence factors of shaking time periods, marking the shaking time periods as reinforcing time periods or optimizing time periods, generating optimizing analysis signals when the number of the optimizing time periods in a monitoring period is not less than L1, sending the optimizing analysis signals to the processor, and sending the optimizing analysis signals to the optimizing analysis module after the processor receives the optimizing analysis signals;
the optimization analysis module is used for carrying out optimization analysis on the bearing stability of the photovoltaic flexible support structure.
As a preferred embodiment of the present invention, the process of acquiring the monitoring coefficient of the monitoring period includes: obtaining amplitude data ZF and vibration frequency data ZP of the photovoltaic panel in a monitoring period, wherein the amplitude data ZF is the maximum value of the vibration amplitude of the photovoltaic panel in the monitoring period, the vibration frequency data ZP is the maximum value of the vibration frequency of the photovoltaic panel in the monitoring period, and the vibration coefficient ZD of the photovoltaic panel in the monitoring period is obtained by carrying out numerical calculation on the amplitude data ZF and the vibration frequency data ZP; summing the vibration coefficients ZD of all the photovoltaic panels in the monitoring period, taking an average value to obtain a vibration representation value of the monitoring period, obtaining the maximum value of the wind power grade in the monitoring period, marking the maximum value as a wind power value, and marking the ratio of the vibration representation value to the wind power value as the monitoring coefficient.
As a preferred embodiment of the present invention, the specific process of marking the monitoring period as the stable period or the shaking period includes: the monitoring threshold value is obtained through the storage module, and the monitoring coefficient is compared with the monitoring threshold value: if the monitoring coefficient is smaller than the monitoring threshold, judging that the stability of the photovoltaic panel in the monitoring period meets the requirement, and marking the corresponding monitoring period as a stable period; if the monitoring coefficient is greater than or equal to the monitoring threshold, judging that the stability of the photovoltaic panel in the monitoring period does not meet the requirement, and marking the corresponding monitoring period as a shaking period.
As a preferred embodiment of the invention, the specific process of analyzing the stability influence factor of the shaking period by the shaking analysis module comprises the following steps: marking bases of a steel cable, a steel column and a steel frame as analysis objects, acquiring amplitude data ZF and vibration frequency data XP of the analysis objects in a shaking period, performing numerical calculation to obtain vibration coefficients ZD of the analysis objects, acquiring vibration threshold values ZDmax of the corresponding analysis objects through a storage module, and comparing the vibration coefficients ZD of the analysis objects with the vibration threshold values ZDmax of the analysis objects: if the vibration coefficient ZD is smaller than the vibration threshold value ZDmax, marking the corresponding analysis object as a stable object; if the vibration coefficient ZD is larger than or equal to the vibration threshold value ZDmax, marking the corresponding analysis object as an abnormal object; if all the analysis objects are marked as stable objects, marking the corresponding shaking time period as an optimization time period; otherwise, marking the corresponding shaking time period as a reinforcement time period, sending the corresponding abnormal object to the processor, and sending the abnormal object to the mobile phone terminal of the manager after the processor receives the abnormal object.
As a preferred embodiment of the present invention, the specific process of performing the optimization analysis on the bearing stability of the photovoltaic flexible support structure by the optimization analysis module includes: the method comprises the steps of marking the length value of a steel cable in a photovoltaic flexible support structure as a span value, calling span values of all the photovoltaic flexible support structures through a storage module, forming a span range by the maximum value and the minimum value of the span values, dividing the span range into a plurality of span intervals, marking the optimized objects in the span intervals, marking the set number of supporting rods in the optimized objects as facility values of the optimized objects, marking the ratio of the span values to the facility values as the interval values of the optimized objects, forming an interval optimization range by the maximum value and the minimum value of the interval values of all the optimized objects in the span intervals, calling the interval optimization range of the span intervals corresponding to the photovoltaic flexible support structures, and sending the interval optimization range to a mobile phone terminal of a manager through a processor, and optimizing the interval values of the photovoltaic flexible support structures through the interval optimization range.
As a preferred embodiment of the present invention, the marking process for optimizing the span section includes: marking a photovoltaic flexible support structure in a span interval as a planning object of the span interval, obtaining the ratio of the marking times of the stabilizing time periods of the planning object in a monitoring period to the number of the monitoring time periods, marking the number of the stabilizing time periods as a stabilizing coefficient of the planning object, arranging the planning objects according to the sequence of the stabilizing coefficients from large to small to obtain a stabilizing sequence, and intercepting the first L2 optimizing objects in the stabilizing sequence as optimizing objects of the span interval.
As a preferred embodiment of the invention, the working method of the high-bearing large-span photovoltaic flexible support structure comprises the following steps:
step one: vibration monitoring of photovoltaic panels: generating a monitoring period, dividing the monitoring period into a plurality of monitoring periods, acquiring amplitude data ZF and vibration data ZP of the photovoltaic panel in the monitoring periods, performing numerical calculation to obtain monitoring coefficients of the monitoring periods, and marking the monitoring periods as stable periods or shaking periods through the monitoring coefficients;
step two: analyzing stability influence factors of shaking time periods: marking bases of the steel column and the steel frame as analysis objects, obtaining amplitude data ZF and vibration frequency data XP of the analysis objects in a shaking period, performing numerical calculation to obtain vibration coefficients ZD of the analysis objects, and marking the analysis objects as stable objects or abnormal objects through the vibration coefficients ZD;
step three: carrying out optimization analysis on the bearing stability of the photovoltaic flexible support structure: and (3) marking the length value of the steel cable in the photovoltaic flexible support structure as a span value, calling the span values of all the photovoltaic flexible support structures through the storage module, forming a span range by the maximum value and the minimum value of the span values, dividing the span range into a plurality of span intervals, obtaining the interval optimization range of the span intervals, and optimizing the interval value of the photovoltaic flexible support structure according to the interval optimization range.
The invention has the following beneficial effects:
1. the installation stability of the photovoltaic panel can be detected and analyzed through the vibration monitoring module, each vibration parameter of the photovoltaic panel in the monitoring period is obtained through a time-division monitoring mode, the vibration coefficient is obtained through calculation, then the vibration coefficients of all the photovoltaic panels are combined for comprehensive analysis to obtain the monitoring coefficient, and the overall operation stability of the photovoltaic panel in the monitoring period is fed back through the monitoring coefficient;
2. the stability influence factors of the shaking period can be analyzed through the shaking analysis module, the bases of the steel column and the steel frame are subjected to vibration monitoring one by one, then the influence factors with abnormal stability of the photovoltaic panel in the shaking period are marked according to the monitoring result, and targeted measures are taken to process the influence factors through the marking result;
3. the optimization analysis module can optimize the bearing stability of the photovoltaic flexible support structure, the optimization objects are screened through the stability coefficients corresponding to different spacing values in the historical data, then the spacing optimization range is used for optimizing the spacing value of the photovoltaic flexible support structure through the spacing optimization range, and the installation stability of the photovoltaic panel is higher.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a structure according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a steel frame according to an embodiment of the present invention;
FIG. 3 is a system block diagram of a second embodiment of the present invention;
fig. 4 is a flowchart of a method according to a third embodiment of the present invention.
In the figure: 1. a steel column; 2. a steel frame; 3. a steel beam; 4. a brace rod; 5. and (5) a steel rope.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-2, a high-load-bearing large-span photovoltaic flexible support structure comprises two groups of symmetrical steel columns 1, wherein a fixing frame is fixedly installed between the tops of two steel columns 1 in each group, a plurality of groups of steel frames 2 are arranged between all steel columns 1 in each group, the number of steel frames 22 in each group is two, steel beams 3 are fixedly installed between the tops of two steel frames 2 in each group, a plurality of stay bars 4 and steel cables 5 are arranged between adjacent steel beams 3, and uniform photovoltaic panels are arranged at the tops of the stay bars 4 and the steel cables 5.
Example two
As shown in fig. 3, a processor is arranged on the steel column 1, and the processor is in communication connection with a vibration monitoring module, a shaking analysis module, an optimization analysis module and a storage module.
The vibration monitoring module is used for monitoring vibration of the photovoltaic panel: generating a monitoring period, dividing the monitoring period into a plurality of monitoring periods, acquiring amplitude data ZF and vibration frequency data ZP of the photovoltaic panel in the monitoring period, wherein the amplitude data ZF is the maximum value of the vibration amplitude of the photovoltaic panel in the monitoring period, the vibration frequency data ZP is the maximum value of the vibration frequency of the photovoltaic panel in the monitoring period, and obtaining a vibration coefficient ZD of the photovoltaic panel in the monitoring period through a formula ZD=α1xZF+α2xZP, wherein α1 and α2 are both proportionality coefficients, and α1 > α2 > 1; summing vibration coefficients ZD of all photovoltaic panels in a monitoring period, taking an average value to obtain a vibration representation value of the monitoring period, obtaining a maximum value of wind power levels in the monitoring period, marking the maximum value as a wind power value, marking the ratio of the vibration representation value to the wind power value as a monitoring coefficient, obtaining a monitoring threshold value through a storage module, and comparing the monitoring coefficient with the monitoring threshold value: if the monitoring coefficient is smaller than the monitoring threshold, judging that the stability of the photovoltaic panel in the monitoring period meets the requirement, and marking the corresponding monitoring period as a stable period; if the monitoring coefficient is greater than or equal to the monitoring threshold, judging that the stability of the photovoltaic panel in the monitoring period does not meet the requirement, and marking the corresponding monitoring period as a shaking period; and detecting and analyzing the installation stability of the photovoltaic panels, acquiring each vibration parameter of the photovoltaic panels in a monitoring period in a time-division monitoring mode, calculating to obtain vibration coefficients, comprehensively analyzing the vibration coefficients of all the photovoltaic panels to obtain monitoring coefficients, and feeding back the overall operation stability of the photovoltaic panels in the monitoring period through the monitoring coefficients.
The shaking analysis module is used for analyzing stability influence factors of shaking time periods: marking bases of a steel cable (5), a steel column 1 and a steel frame 2 as analysis objects, obtaining amplitude data ZF and vibration frequency data XP of the analysis objects in a shaking period, performing numerical calculation to obtain vibration coefficients ZD of the analysis objects, obtaining vibration thresholds ZDmax of the corresponding analysis objects through a storage module, and comparing the vibration coefficients ZD of the analysis objects with the vibration thresholds ZDmax of the analysis objects: if the vibration coefficient ZD is smaller than the vibration threshold value ZDmax, marking the corresponding analysis object as a stable object; if the vibration coefficient ZD is larger than or equal to the vibration threshold value ZDmax, marking the corresponding analysis object as an abnormal object; if all the analysis objects are marked as stable objects, marking the corresponding shaking time period as an optimization time period; otherwise, marking the corresponding shaking time period as a reinforcement time period, sending the corresponding abnormal object to a processor, and sending the abnormal object to a mobile phone terminal of a manager after the processor receives the abnormal object; generating an optimization analysis signal and transmitting the optimization analysis signal to a processor when the number of the optimization time periods in the monitoring period is not less than L1, wherein L1 is a numerical constant, and the specific numerical value of L1 is set by a manager; the processor receives the optimized analysis signal and then sends the optimized analysis signal to the optimized analysis module; analyzing stability influence factors of the shaking period, carrying out vibration monitoring on the bases of the steel column 1 and the steel frame 2 one by one, then marking influence factors of abnormal stability of the photovoltaic panel in the shaking period according to monitoring results, and adopting targeted measures to treat through marking results.
The optimization analysis module is used for carrying out optimization analysis on the bearing stability of the photovoltaic flexible support structure: the method comprises the steps of marking the length value of a steel cable 5 in a photovoltaic flexible support structure as a span value, calling span values of all the photovoltaic flexible support structures through a storage module, forming a span range by the maximum value and the minimum value of the span values, dividing the span range into a plurality of span intervals, marking the photovoltaic flexible support structure in the span intervals as a planning object of the span intervals, obtaining the ratio of the number of marking times of a stable period of the planning object in a monitoring period to the number of monitoring period as a stability coefficient of the planning object, arranging the planning objects according to the sequence of the stability coefficient from large to small to obtain a stability sequence, intercepting the first L2 optimization objects in the stability sequence as optimization objects of the span intervals, wherein L2 is a numerical constant, and the specific numerical value of L2 is set by a manager; marking the set number of the supporting rods 4 in the optimizing object as the facility value of the optimizing object, marking the ratio of the span value to the facility value as the interval value of the optimizing object, forming an interval optimizing range by the maximum value and the minimum value of the interval values of all the optimizing objects in the span interval, calling the interval optimizing range of the span interval corresponding to the photovoltaic flexible support structure, transmitting the interval optimizing range to a mobile phone terminal of a manager through a processor, and optimizing the interval value of the photovoltaic flexible support structure through the interval optimizing range; carrying out optimization analysis on the bearing stability of the photovoltaic flexible support structure, screening an optimization object through stability coefficients corresponding to different spacing values in historical data, and then optimizing the spacing value of the photovoltaic flexible support structure through a spacing optimization range by the spacing value of the optimization object, so that the installation stability of the photovoltaic panel is higher.
Example III
As shown in fig. 4, a working method of the photovoltaic flexible support structure with high bearing capacity and large span comprises the following steps:
step one: vibration monitoring of photovoltaic panels: generating a monitoring period, dividing the monitoring period into a plurality of monitoring periods, acquiring amplitude data ZF and vibration data ZP of the photovoltaic panel in the monitoring periods, performing numerical calculation to obtain monitoring coefficients of the monitoring periods, and marking the monitoring periods as stable periods or shaking periods through the monitoring coefficients;
step two: analyzing stability influence factors of shaking time periods: marking bases of the steel column 1 and the steel frame 2 as analysis objects, obtaining amplitude data ZF and vibration frequency data XP of the analysis objects in a shaking period, performing numerical calculation to obtain vibration coefficients ZD of the analysis objects, and marking the analysis objects as stable objects or abnormal objects through the vibration coefficients ZD;
step three: carrying out optimization analysis on the bearing stability of the photovoltaic flexible support structure: and marking the length value of the steel cable 5 in the photovoltaic flexible support structure as a span value, calling the span values of all the photovoltaic flexible support structures through the storage module, forming a span range by the maximum value and the minimum value of the span values, dividing the span range into a plurality of span intervals, obtaining the interval optimization range of the span intervals, and optimizing the interval value of the photovoltaic flexible support structure according to the interval optimization range.
When the high-load-bearing large-span photovoltaic flexible support structure works, a monitoring period is generated, the monitoring period is divided into a plurality of monitoring periods, amplitude data ZF and vibration data ZP of a photovoltaic panel in the monitoring period are obtained, a monitoring coefficient of the monitoring period is obtained through numerical value calculation, and the monitoring period is marked as a stable period or a shaking period through the monitoring coefficient; marking bases of the steel cable (5), the steel column 1 and the steel frame 2 as analysis objects, obtaining amplitude data ZF and vibration frequency data XP of the analysis objects in a shaking period, performing numerical calculation to obtain vibration coefficients ZD of the analysis objects, and marking the analysis objects as stable objects or abnormal objects through the vibration coefficients ZD; and marking the length value of the steel cable 5 in the photovoltaic flexible support structure as a span value, calling the span values of all the photovoltaic flexible support structures through the storage module, forming a span range by the maximum value and the minimum value of the span values, dividing the span range into a plurality of span intervals, obtaining the interval optimization range of the span intervals, and optimizing the interval value of the photovoltaic flexible support structure according to the interval optimization range.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
The formulas are all formulas obtained by collecting a large amount of data for software simulation and selecting a formula close to a true value, and coefficients in the formulas are set by a person skilled in the art according to actual conditions; such as: the formula zd=α1×zf+α2×zp; collecting a plurality of groups of sample data by a person skilled in the art and setting a corresponding vibration coefficient for each group of sample data; substituting the set vibration coefficient and the acquired sample data into a formula, forming a ternary one-time equation set by any three formulas, screening the calculated coefficient, and taking an average value to obtain values of alpha 1 and alpha 2 which are respectively 2.86 and 2.13;
the size of the coefficient is a specific numerical value obtained by quantizing each parameter, so that the subsequent comparison is convenient, and the size of the coefficient depends on the number of sample data and the corresponding vibration coefficient is preliminarily set for each group of sample data by a person skilled in the art; as long as the proportional relation between the parameter and the quantized value is not affected, for example, the vibration coefficient is directly proportional to the value of the vibration frequency data.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides a high-load-bearing large-span photovoltaic flexible support structure, its characterized in that includes two sets of symmetrical steel column (1), every group the quantity of steel column (1) is two and all installs the mount between the top of every two steel column (1) of group, is provided with a plurality of groups steelframe (2) between two sets of all steel column (1), every group the quantity of steelframe (2) is two, and every two between the top of steelframe (2) all installs girder steel (3), is provided with a plurality of vaulting pole (4) and cable (5) between adjacent girder steel (3), and the top of vaulting pole (4) and cable (5) is provided with even photovoltaic board;
the steel column (1) is provided with a processor, and the processor is in communication connection with a vibration monitoring module, a shaking analysis module, an optimization analysis module and a storage module;
the vibration monitoring module is used for monitoring vibration of the photovoltaic panel: generating a monitoring period, dividing the monitoring period into a plurality of monitoring periods, acquiring monitoring coefficients of the monitoring periods, and marking the monitoring periods as stable periods or shaking periods through the monitoring coefficients;
the shaking analysis module is used for analyzing stability influence factors of shaking time periods, marking the shaking time periods as reinforcing time periods or optimizing time periods, generating optimizing analysis signals when the number of the optimizing time periods in a monitoring period is not less than L1, sending the optimizing analysis signals to the processor, and sending the optimizing analysis signals to the optimizing analysis module after the processor receives the optimizing analysis signals;
the optimization analysis module is used for carrying out optimization analysis on the bearing stability of the photovoltaic flexible support structure.
2. The high-load-bearing large-span photovoltaic flexible support structure according to claim 1, wherein the process of obtaining the monitoring coefficient of the monitoring period comprises: obtaining amplitude data ZF and vibration frequency data ZP of the photovoltaic panel in a monitoring period, wherein the amplitude data ZF is the maximum value of the vibration amplitude of the photovoltaic panel in the monitoring period, the vibration frequency data ZP is the maximum value of the vibration frequency of the photovoltaic panel in the monitoring period, and the vibration coefficient ZD of the photovoltaic panel in the monitoring period is obtained by carrying out numerical calculation on the amplitude data ZF and the vibration frequency data ZP; summing the vibration coefficients ZD of all the photovoltaic panels in the monitoring period, taking an average value to obtain a vibration representation value of the monitoring period, obtaining the maximum value of the wind power grade in the monitoring period, marking the maximum value as a wind power value, and marking the ratio of the vibration representation value to the wind power value as the monitoring coefficient.
3. The high-load-bearing large-span photovoltaic flexible support structure according to claim 2, wherein the specific process of marking the monitoring period as a stable period or a shaking period comprises: the monitoring threshold value is obtained through the storage module, and the monitoring coefficient is compared with the monitoring threshold value: if the monitoring coefficient is smaller than the monitoring threshold, judging that the stability of the photovoltaic panel in the monitoring period meets the requirement, and marking the corresponding monitoring period as a stable period; if the monitoring coefficient is greater than or equal to the monitoring threshold, judging that the stability of the photovoltaic panel in the monitoring period does not meet the requirement, and marking the corresponding monitoring period as a shaking period.
4. A high-load-capacity large-span photovoltaic flexible support structure according to claim 3, wherein the specific process of analyzing the stability influence factor of the shaking period by the shaking analysis module comprises: marking bases of a steel cable (5), a steel column (1) and a steel frame (2) as analysis objects, acquiring amplitude data ZF and vibration frequency data XP of the analysis objects in a shaking period, performing numerical calculation to obtain vibration coefficients ZD of the analysis objects, acquiring vibration thresholds ZDmax of the corresponding analysis objects through a storage module, and comparing the vibration coefficients ZD of the analysis objects with the vibration thresholds ZDmax of the analysis objects: if the vibration coefficient ZD is smaller than the vibration threshold value ZDmax, marking the corresponding analysis object as a stable object; if the vibration coefficient ZD is larger than or equal to the vibration threshold value ZDmax, marking the corresponding analysis object as an abnormal object; if all the analysis objects are marked as stable objects, marking the corresponding shaking time period as an optimization time period; otherwise, marking the corresponding shaking time period as a reinforcement time period, sending the corresponding abnormal object to the processor, and sending the abnormal object to the mobile phone terminal of the manager after the processor receives the abnormal object.
5. The high-load-bearing large-span photovoltaic flexible support structure according to claim 4, wherein the specific process of carrying out the optimization analysis on the load-bearing stability of the photovoltaic flexible support structure by the optimization analysis module comprises the following steps: the method comprises the steps of marking the length value of a steel cable (5) in a photovoltaic flexible support structure as a span value, calling span values of all the photovoltaic flexible support structures through a storage module, forming a span range by the maximum value and the minimum value of the span values, dividing the span range into a plurality of span intervals, marking the optimizing objects of the span intervals, marking the set number of supporting rods (4) in the optimizing objects as facility values of the optimizing objects, marking the ratio of the span values to the facility values as the distance values of the optimizing objects, forming a distance optimizing range by the maximum value and the minimum value of the distance values of all the optimizing objects in the span intervals, calling the distance optimizing range of the span intervals corresponding to the photovoltaic flexible support structures and sending the distance optimizing range to a mobile phone terminal of a manager through a processor, and optimizing the distance values of the photovoltaic flexible support structures through the distance optimizing range.
6. The high-load-bearing large-span photovoltaic flexible support structure according to claim 5, characterized in that the marking engineering of the optimization object of the span section comprises: marking a photovoltaic flexible support structure in a span interval as a planning object of the span interval, obtaining the ratio of the marking times of the stabilizing time periods of the planning object in a monitoring period to the number of the monitoring time periods, marking the number of the stabilizing time periods as a stabilizing coefficient of the planning object, arranging the planning objects according to the sequence of the stabilizing coefficients from large to small to obtain a stabilizing sequence, and intercepting the first L2 optimizing objects in the stabilizing sequence as optimizing objects of the span interval.
7. The high load-bearing large span photovoltaic flexible support structure according to any of claims 1-6, characterized in that the working method of the high load-bearing large span photovoltaic flexible support structure comprises the following steps:
step one: vibration monitoring of photovoltaic panels: generating a monitoring period, dividing the monitoring period into a plurality of monitoring periods, acquiring amplitude data ZF and vibration data ZP of the photovoltaic panel in the monitoring periods, performing numerical calculation to obtain monitoring coefficients of the monitoring periods, and marking the monitoring periods as stable periods or shaking periods through the monitoring coefficients;
step two: analyzing stability influence factors of shaking time periods: marking bases of the steel cable (5), the steel column (1) and the steel frame (2) as analysis objects, obtaining amplitude data ZF and vibration frequency data XP of the analysis objects in a shaking period, performing numerical calculation to obtain vibration coefficients ZD of the analysis objects, and marking the analysis objects as stable objects or abnormal objects through the vibration coefficients ZD;
step three: carrying out optimization analysis on the bearing stability of the photovoltaic flexible support structure: and marking the length value of the steel cable (5) in the photovoltaic flexible support structure as a span value, calling the span values of all the photovoltaic flexible support structures through the storage module, forming a span range by the maximum value and the minimum value of the span values, dividing the span range into a plurality of span intervals, obtaining the interval optimization range of the span intervals, and optimizing the interval value of the photovoltaic flexible support structure according to the interval optimization range.
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