CN-121980727-A - Light Fu Rouxing support mechanical test platform and construction site selection method thereof

CN121980727ACN 121980727 ACN121980727 ACN 121980727ACN-121980727-A

Abstract

The invention relates to a mechanical test platform of a photovoltaic flexible support and a construction site selection method thereof. At present, in the aspect of selecting a field for building a mechanical test platform of a photovoltaic flexible support, a system and a scientific method are not available, the traditional field selection often depends on empirical judgment or only considers a few factors, the comprehensive applicability of the field is difficult to comprehensively and accurately evaluate by the method, and a large deviation between a test result and an actual application condition can be caused. The method comprises the steps of respectively establishing scoring models of sunlight intensity, soil bearing capacity, gradient and annual average temperature and humidity, determining the weight of each influence factor, calculating the comprehensive score of each influence factor, and screening the site with the highest comprehensive score. The method can comprehensively and accurately evaluate the comprehensive applicability of the field, has higher accuracy and reliability of test results, and can provide powerful support for popularization and application of the photovoltaic flexible support.

Inventors

LI FEI
WANG YANQING
NIE JINGXIN
SONG YANG
LI YANLIANG
XIE JINGWEI
LEI MING
ZHAO ZHIJUN
MAO MENG
WANG BOYU

Assignees

中铁第一勘察设计院集团有限公司

Dates

Publication Date: 20260505
Application Date: 20251125

Claims (10)

1. The method for selecting the building site of the mechanical test platform of the light Fu Rouxing bracket is characterized by comprising the following steps: Respectively establishing a scoring model of sunlight intensity, soil bearing capacity, gradient and annual average temperature and humidity, and determining the weight of each influencing factor; and calculating the comprehensive score of each influence factor, and screening the sites with the highest comprehensive scores.
2. The method for selecting a site for constructing a mechanical test platform of a light Fu Rouxing support according to claim 1, wherein the method comprises the following steps: the step of establishing the scoring model of the sunlight intensity comprises the following steps: Dividing sunlight intensity levels, and determining the sunlight intensity range corresponding to each level; Determining a membership function of each grade; Acquiring sunlight intensity data of a plurality of time points actually measured on a field; Calculating the membership degree of each grade according to the measured sunlight intensity data and the membership degree function; according to the influence degree of sunlight intensity on the mechanical property of the photovoltaic flexible support, corresponding scores are given to each grade; and calculating the final score of the sunlight intensity according to the membership degree and the score.
3. The method for selecting a site for constructing a mechanical test platform of a light Fu Rouxing support according to claim 1, wherein the method comprises the following steps: the establishment of the scoring model of the soil bearing capacity comprises the following steps: Dividing the soil bearing capacity grade; Determining correction coefficients of each soil type; determining the soil bearing capacity grade and the total sequencing weight of the soil type by adopting an analytic hierarchy process; And calculating the comprehensive grade of the soil bearing capacity according to the total sorting weight.
4. The method for selecting a site for constructing a mechanical test platform for a light Fu Rouxing stand according to claim 3, wherein: the step of determining the soil bearing capacity grade and the total sorting weight of the soil type by adopting an analytic hierarchy process comprises the following steps: Establishing a hierarchical structure model; constructing a judgment matrix according to the hierarchical structure model; Calculating single sequencing weight of the judgment matrix; and calculating the total sequencing weight according to the single sequencing weight.
5. The method for selecting a site for constructing a mechanical test platform for a light Fu Rouxing stand according to claim 3, wherein: the calculating the soil bearing capacity comprehensive score according to the total sorting weight comprises the following steps: According to the influence degree of the soil bearing capacity on the construction of the photovoltaic flexible support, corresponding scores are given to the soil types and the soil bearing capacity grades; for each sampling point, calculating the soil bearing capacity score of the sampling point according to the soil type and the bearing capacity grade of the sampling point and combining the total sequencing weight and the given score; And calculating the average value of the soil bearing capacity scores of all the sampling points, namely the soil bearing capacity comprehensive score.
6. The method for selecting a site for constructing a mechanical test platform of a light Fu Rouxing support according to claim 1, wherein the method comprises the following steps: The establishing of the grading model of the gradient comprises the following steps: Grade is divided; A score is assigned to the grade level.
7. The method for selecting a site for constructing a mechanical test platform of a light Fu Rouxing support according to claim 1, wherein the method comprises the following steps: The step of establishing the scoring model of the annual average temperature and humidity comprises the following steps: acquiring the annual average temperature and annual average humidity of a field; Calculating temperature values and humidity values of the average annual temperature and the average annual humidity after dimensionless; determining a weight of the annual average temperature and a weight of the annual average humidity; constructing a comprehensive temperature and humidity index according to the temperature value, the humidity value, the weight of the annual average temperature and the weight of the annual average humidity; And dividing and assigning temperature and humidity intervals according to the temperature and humidity comprehensive index.
8. The method for selecting a site for constructing a mechanical test platform of a light Fu Rouxing support according to claim 1, wherein the method comprises the following steps: said calculating a composite score for each of said influencing factors comprising: Substituting the scores of the influence factors into a comprehensive score model formula to calculate the comprehensive score of each candidate site.
9. Light Fu Rouxing support mechanics test platform, its characterized in that: The device comprises a base structure, a bracket structure, a loading system and a measuring system which are independently arranged and matched with each other; the base structure is fixedly connected with the support structure, and the loading system and the measuring system are arranged on the base structure and the support structure.
10. The light Fu Rouxing rack mechanical test platform of claim 9, wherein: the support structure comprises an upright post, a cable structure and a photovoltaic module mounting frame, wherein the upright post and the cable structure form a stable frame through node connection and tensioning technology, and the photovoltaic module mounting frame is fixed on the frame.

Description

Light Fu Rouxing support mechanical test platform and construction site selection method thereof Technical Field The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic flexible support mechanical test platform and a construction site selection method thereof. Background In the renewable energy field, photovoltaic power generation is being used as a clean and sustainable energy form, and along with the continuous progress of technology, a light Fu Rouxing support is used for adapting to complex terrains, reducing land use cost, improving power generation efficiency and the like, and gradually becomes research hot spots and application trend in the photovoltaic power generation field, and the photovoltaic flexible support can better adapt to different terrains by adopting a flexible connecting piece and a special structural design, so that shadow shielding problems caused by relief of terrains are reduced, the light receiving capacity of a photovoltaic module is improved, and the overall power generation performance is improved. However, the performance of the photovoltaic flexible support is affected by various environmental factors, in practical application, environmental conditions of different sites are greatly different, including sunlight intensity, soil bearing capacity, gradient, annual average temperature and humidity, extreme weather frequency and the like, the sunlight intensity directly affects solar radiation energy received by the photovoltaic module and is one of key factors for determining the generated energy, the soil bearing capacity is related to stability and safety of a flexible support foundation, if the soil bearing capacity is insufficient, the support can incline or even collapse, serious economic loss and potential safety hazards are caused, the gradient can affect the installation angle and arrangement mode of the photovoltaic module, further the illumination receiving efficiency and the drainage performance are affected, the annual average temperature and humidity can affect the performance of the photovoltaic module and support materials for a long time, such as high temperature can accelerate material aging, and a high humidity environment can cause corrosion problems. In order to ensure that the photovoltaic flexible support can safely, stably and efficiently run in practical application, before the photovoltaic flexible support is built, the comprehensive mechanical property test of the photovoltaic flexible support is very important, a mechanical test platform is used as a key facility for evaluating the performance of the photovoltaic flexible support, the accuracy and reliability of test results are directly influenced by the selection of a built site, and various environmental conditions faced by the photovoltaic flexible support in practical application can be simulated to the greatest extent by a proper test site, so that scientific basis is provided for design optimization, performance evaluation and safety authentication of the support. At present, in the aspect of the selection of a field established by a mechanical test platform of a photovoltaic flexible support, a system and a scientific method are not available, the traditional field selection often depends on experience judgment or only considers a few factors, the comprehensive applicability of the field is difficult to comprehensively and accurately evaluate by the method, the test result and the actual application situation can have larger deviation, and powerful support can not be provided for popularization and application of the photovoltaic flexible support. Therefore, a systematic and scientific method for selecting the site for constructing the mechanical test platform of the light Fu Rouxing support is needed. Disclosure of Invention The invention aims to provide a photovoltaic flexible support mechanical test platform and a construction site selection method thereof, so as to at least solve the problem that the selection method of the construction site of the support mechanical test platform is lacking in light Fu Rouxing at present. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the method for selecting the building site of the mechanical test platform of the light Fu Rouxing bracket comprises the following steps: Respectively establishing a scoring model of sunlight intensity, soil bearing capacity, gradient and annual average temperature and humidity, and determining the weight of each influencing factor; and calculating the comprehensive score of each influence factor, and screening the sites with the highest comprehensive scores. Further, establishing the scoring model of the sunlight intensity includes: Dividing sunlight intensity levels, and determining the sunlight intensity range corresponding to each level; Determining a membership function of each grade; Acquiring sunlight intensity d