High-voltage energy storage prefabricated dc bus bridge field quick connection method for smart grid

Abstract

The present application relates to the technical field of smart grid, in particular to a high-voltage energy storage prefabricated DC bus bridge field fast connection method for smart grid, which generates full-section installation reference positioning parameters, segmented component calibration reference alignment parameters, single-section component alignment posture locking parameters and to-be-spliced component reference pre-correction coordinates in sequence, completes full-section splicing through cyclic calibration, outputs completion positioning data and strictly controls installation accuracy through double-threshold comparison. The present application generates a space installation reference axis by fitting the field start and end reference points and the embedded support positioning coordinates, and establishes a full-section unified installation reference. The present application generates segmented alignment parameters by matching the prefabricated component installation coordinates and the reference point positions, adjusts and locks the single-section component installation posture through double-threshold comparison, corrects the subsequent component reference points through the coordinate difference of the spliced components, and completes full-section splicing through cyclic progression, thereby realizing installation deviation closed-loop correction, suppressing deviation accumulation and improving installation accuracy and splicing consistency.

Description

Technical Field

[0001] This invention relates to the field of smart grid technology, and in particular to a method for quick on-site connection of a prefabricated DC bus bridge for high-voltage energy storage in smart grids. Background Technology

[0002] The field of smart grid technology encompasses intelligent management and equipment adaptation technologies for all aspects of power grid generation, transmission, transformation, distribution, and consumption. Its core content revolves around the safe and stable operation of the power grid, efficient power transmission and storage, and standardized prefabrication and on-site deployment of equipment. This technology covers multiple sub-fields, including the structural optimization of primary power grid equipment, the coordinated control of secondary systems, the grid integration of energy storage systems, and the connection and protection of transmission and distribution lines. It adapts to the grid-connected operation requirements of high-voltage direct current transmission and large-capacity energy storage, achieving large-scale production and rapid on-site assembly of power grid equipment through standardized and prefabricated technical approaches, supporting the intelligent upgrading of the entire power grid process and ensuring reliable power supply.

[0003] The on-site quick connection method for prefabricated DC bus bridges for high-voltage energy storage in smart grids refers to the operational method for on-site assembly and connection of prefabricated DC bus bridge components applied to high-voltage energy storage scenarios in smart grids. This method addresses technical aspects including on-site alignment of prefabricated DC bus bridge segmental components, rigid connection and fastening of bus conductors, splicing and fixing of the bus bridge shell, on-site laying of insulating gaskets, assembly of sealing components at connection points, and bridging and fixing of grounding conductors. Specifically, it involves on-site alignment and splicing of prefabricated segmented bus bridge main components, prefabricated standardized connection conductors and matching fasteners, and prefabricated insulation and sealing components of suitable dimensions. This includes on-site assembly of insulation and sealing components, and fixed connection of grounding components.

[0004] Existing technologies focus on extracting fixed-dimensional features from the expressive characters in Fujian and Taiwan folk songs, such as dialectal pronunciation, melodic mode, and rhythm. These features are concentrated on the surface-level fixed attributes of the performance, failing to cover the refined features of non-expressive components in the performance, nor addressing the dynamic phonetic relationships during the transitions between parts of the song. Under this operating model, it is impossible to accurately capture the subtle stylistic differences between folk songs from different regions of Fujian and Taiwan, and it is prone to problems of confusion in matching the features of folk songs from different regions, making it difficult to support the regional tracing and refined digital protection of Fujian and Taiwan folk songs. Summary of the Invention

[0005] To address the technical problems existing in the prior art, embodiments of the present invention provide a method for quick on-site connection of a prefabricated DC bus bridge for high-voltage energy storage in smart grids. The technical solution is as follows: The quick-connection method for prefabricated DC bus bridges with high-voltage energy storage for smart grids includes the following steps: S1: Obtain the coordinates of the reference points at the start and end of the busbar bridge installation site, collect the on-site positioning coordinates of the pre-embedded supports, connect them to generate the installation reference axis, set the reference points of the supports, and generate the installation reference positioning parameters for the entire section. S2: Call the full-section installation benchmark positioning parameters, collect the coordinates of the two ends of each prefabricated busbar bridge component and the support installation position, match the corresponding benchmark points, and generate segment component calibration benchmark alignment parameters; S3: Call the full-section installation reference positioning parameters and the segment component calibration reference alignment parameters, collect the corresponding coordinate difference of the component to be spliced, compare it with the support tolerance 40% threshold, collect the end offset difference and compare it synchronously with the design tolerance 50% threshold, adjust the axial and radial attitude of the component, and generate the single-segment component alignment attitude locking parameters. S4: Call the single-segment component alignment attitude locking parameters and segment alignment parameters, calculate the coordinate difference of the spliced ​​components, correct the reference point position of the next segment to be spliced, and generate the reference pre-corrected coordinates of the component to be spliced. S5: Call the pre-corrected coordinates of the component to be spliced ​​and the positioning parameters of the entire installation reference, and repeatedly execute the single-segment splicing calibration process to complete the progressive splicing of the entire busbar bridge and generate splicing installation completion positioning data.

[0006] As a further aspect of the present invention, the step of obtaining S1 is as follows: S101: Obtain the reference point coordinates of the starting and ending points of the busbar bridge installation site, collect the on-site positioning coordinates of each pre-embedded installation bracket, remove duplicate coordinate data entries, arrange the corresponding installation order of coordinate data, verify the validity of coordinate data values, filter coordinate entries within the collection specifications, and generate a dataset of on-site installation point coordinates. S102: Call the on-site installation point coordinate dataset, extract the coordinates of the starting and ending reference points in the dataset, perform a straight line connection operation on the two points, generate the installation reference axis, match the positioning coordinates of the pre-embedded brackets in the dataset, set the reference points of each bracket accordingly, and generate the installation reference axis and bracket reference point parameter set. S103: Call the on-site installation point coordinate dataset, call the installation reference axis and support reference point parameter set, integrate the corresponding data items of the dataset and parameter set, match the correspondence between the installation axis and support point, verify the logical consistency of the corresponding data items, and generate the full-section installation reference positioning parameters.

[0007] As a further aspect of the present invention, the step of obtaining S2 is as follows: S201: Call the full-section installation reference positioning parameters, collect the coordinates of both ends of each precast busbar bridge component, collect the coordinates of the bracket installation position of each precast busbar bridge component, verify the completeness of coordinate data entries, arrange the installation order of coordinate data, check the component number of coordinate data, remove duplicate coordinate entries, filter compliant coordinate data, integrate the corresponding relationship of coordinate data, and generate a set of coordinates of precast component installation points. S202: Call the full-section installation benchmark positioning parameters, call the prefabricated component installation point coordinate set, extract the corresponding coordinate data of the component in the coordinate set, match the corresponding benchmark points in the full-section installation benchmark positioning parameters, verify the correspondence between the coordinate data and the benchmark points, integrate the matched corresponding parameter entries, verify the logical consistency of the parameters, and generate the segment component calibration benchmark alignment parameters.

[0008] As a further aspect of the present invention, the step of obtaining S3 is as follows: S301: Call the full-section installation reference positioning parameters and the segment component calibration reference alignment parameters, collect the installation position coordinates of the bracket of the component to be spliced, collect the corresponding bracket reference point coordinates, calculate the two sets of coordinate differences, verify the integrity of the difference data, arrange the installation order of the difference data, check the component number of the difference data, remove duplicate difference entries, filter compliant difference data, and generate a set of component installation position coordinate differences. S302: Call the full-section installation reference positioning parameters, call the component installation position coordinate difference set, compare the data in the difference set with the bracket installation tolerance 40% threshold, collect the component end coordinates, collect the end coordinates of adjacent spliced ​​components, collect the reference axis, calculate the coordinate offset difference, and synchronously compare the offset difference with the design tolerance 50% threshold to generate the component posture comparison and verification dataset. S303: Call the segmented component calibration benchmark alignment parameters, call the component attitude comparison and verification dataset, adjust the component axial and radial attitude according to the comparison and verification results, verify the coordinate data after attitude adjustment, integrate the attitude locking corresponding parameter entries, check the logical consistency of the parameters, filter compliant parameter entries, and generate single-segment component alignment attitude locking parameters.

[0009] As a further aspect of the present invention, the step of obtaining S4 is as follows: S401: Call the single-segment component alignment attitude locking parameters and segment alignment parameters, extract the actual installation coordinates of the spliced ​​component, extract the preset installation coordinates of the spliced ​​component, calculate the difference between the corresponding values ​​of the two sets of coordinates, verify the completeness of the difference data entries, arrange the installation order of the difference data, check the component number of the difference data, remove duplicate difference entries, filter compliant difference data, and generate the installation coordinate difference set of the spliced ​​component; S402: Based on the alignment attitude locking parameters of a single component and the segment alignment parameters, call the installation coordinate difference set of the spliced ​​components, extract the corresponding values ​​in the difference set, correct the calibration reference point of the next component to be spliced, verify the corrected reference point data, integrate the coordinate entries corresponding to the points, check the logical consistency of the coordinate data, filter compliant coordinate entries, and generate the reference pre-corrected coordinates of the component to be spliced.

[0010] As a further aspect of the present invention, the step of obtaining S5 is as follows: S501: Call the pre-corrected coordinates of the reference of the component to be spliced ​​and the positioning parameters of the full-segment installation reference, extract the corresponding parameter items of the single-segment splicing calibration process, verify the completeness of the parameter items, verify the validity of the parameter item values, check the component number corresponding to the parameters, arrange the parameter installation order, eliminate duplicate parameter items, filter compliant parameter items, integrate the corresponding parameter set of the process execution, and generate the single-segment splicing calibration process execution parameter set; S502: Call the single-segment splicing calibration process to execute the parameter set, execute the single-segment splicing calibration process in a loop, collect the corresponding coordinate data after each component is spliced, verify the integrity of the splicing data, verify the validity of the splicing data values, check the component number of the splicing data, arrange the installation order of the splicing data, remove duplicate splicing data entries, filter compliant splicing data entries, integrate the corresponding data after the entire segment is spliced, and generate the full segment bus bridge splicing completion dataset; S503: Based on the pre-corrected coordinates of the component to be spliced ​​and the positioning parameters of the entire installation reference, the single-segment splicing calibration process is called to execute the parameter set, the entire bus bridge splicing completion dataset is called, the corresponding entries of the dataset and parameter set are integrated, the logical consistency between the data and the parameters is verified, compliant completion data entries are selected, the completeness of the completion data is checked, the validity of the completion data values ​​is checked, and splicing installation completion positioning data is generated.

[0011] The beneficial effects of the technical solutions provided in the embodiments of the present invention include at least the following: In this invention, a spatial installation reference axis is generated by fitting the coordinates of the starting and ending reference points at the installation site with the positioning coordinates of the pre-embedded bracket, establishing a unified installation reference for the entire section. Segmental alignment parameters are generated by matching the installation coordinates of prefabricated components with the reference points. The axial and radial attitude of the components is adjusted synchronously by comparing the bracket tolerance of 40% and the design tolerance of 50%, locking the installation attitude of each segment. The reference points of subsequent components are corrected by the coordinate differences of already spliced ​​components, and the entire segment splicing is completed iteratively. This achieves real-time control and closed-loop correction of installation deviations, reducing the accumulation of docking deviations and improving installation accuracy and splicing consistency. Attached Figure Description

[0012] Figure 1 This is a flowchart of the method of the present invention. Detailed Implementation

[0013] The technical solution of the present invention will now be described with reference to the accompanying drawings.

[0014] In embodiments of the present invention, words such as "exemplarily," "for example," etc., are used to indicate that something is an example, illustration, or description. Any embodiment or design described as "exemplary" in the present invention should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of the word "exemplary" is intended to present the concept in a concrete manner. Furthermore, in embodiments of the present invention, the meaning expressed by "and / or" can be both, or either one.

[0015] In the embodiments of this invention, the terms "image" and "picture" may sometimes be used interchangeably. It should be noted that, without emphasizing the distinction between them, their intended meanings are consistent. Similarly, the terms "of," "corresponding (relevant)," and "corresponding" may sometimes be used interchangeably. It should be noted that, without emphasizing the distinction between them, their intended meanings are consistent.

[0016] In this embodiment of the invention, sometimes a subscript such as W1 may be written in a non-subscript form such as W1. When the difference is not emphasized, the meaning they express is the same.

[0017] To make the technical problems, technical solutions and advantages of the present invention clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0018] Please see Figure 1 This invention provides a technical solution: a method for quick on-site connection of a prefabricated DC bus bridge for high-voltage energy storage in smart grids, comprising the following steps: S1: Obtain the coordinates of the reference points at the beginning and end of the busbar bridge installation site, collect the on-site positioning coordinates of each pre-embedded installation bracket, connect them to generate the design installation reference axis, set the reference points of each bracket accordingly, and generate the installation reference positioning parameters for the entire busbar bridge section. S2: Call the installation benchmark positioning parameters of the entire busbar bridge, collect the coordinates of the two ends of each prefabricated busbar bridge component and the support installation position, match the corresponding benchmark points, and generate the calibration benchmark alignment parameters of the segmented components; S3: Call the installation reference positioning parameters of the entire bus bridge and the calibration reference alignment parameters of the segment components, collect the installation position coordinates of the bracket of the component to be spliced ​​and the corresponding bracket reference point coordinates to calculate the difference, compare the difference with the bracket installation tolerance 40% threshold, collect the component end coordinates and the end coordinates of the adjacent spliced ​​component and the reference axis to calculate the offset difference, compare the two differences with the corresponding design tolerance 50% threshold synchronously, adjust the axial and radial attitude of the component, and generate the single segment component alignment attitude locking parameters; S4: Call the alignment attitude locking parameters of the single-segment component and the alignment parameters of the calibration reference of the segmented component, calculate the difference between the actual installation coordinates and the preset coordinates of the spliced ​​component, correct the calibration reference point of the next segment to be spliced, and generate the reference pre-corrected coordinates of the component to be spliced. S5: Call the pre-corrected coordinates of the component to be spliced ​​and the positioning parameters of the entire busbar bridge installation reference, and repeatedly execute the single-segment component splicing calibration process to complete the progressive splicing of the entire prefabricated busbar bridge and generate the busbar bridge splicing installation completion positioning data.

[0019] The steps to obtain S1 are as follows: S101: Obtain the reference point coordinates of the starting and ending points of the busbar bridge installation site, collect the on-site positioning coordinates of each pre-embedded installation bracket, remove duplicate coordinate data entries, arrange the corresponding installation order of coordinate data, verify the validity of coordinate data values, filter coordinate entries within the collection specifications, and generate a dataset of on-site installation point coordinates. Coordinate acquisition shall be performed using a total station, GNSS receiver, or 3D laser scanner with an accuracy of not less than ±2mm. The starting and ending reference points shall preferably be the permanent reference points of the building structure specified in the design drawings, which shall meet the requirements of line-of-sight and unobstructed access between the two points, and the point accuracy shall comply with the requirements of "Engineering Surveying Standard" GB50026 and "Code for Construction and Acceptance of Busbar Installation in Electrical Installation Engineering" GB50149. The positioning coordinates of each pre-embedded bracket shall be collected from no less than 3 measuring points (center of the top surface of the bracket and the mounting holes on both sides), and the average value shall be taken as the on-site positioning coordinates of the bracket. The number of repetitions for a single measurement shall not be less than 2, and the deviation of repeated measurements shall not be greater than ±1mm. The rules for determining duplicate entries are as follows: entries with the same measuring point, the same number, and a coordinate value deviation of less than 0.2 mm are directly eliminated; the coordinate sorting strictly follows the design route of the busbar bridge, arranged in ascending order from the starting end to the ending end; the validity verification of numerical values ​​requires checking the integrity of the three-dimensional coordinate (X / Y / Z axis) data, and the coordinate values ​​must be within the coordinate range of the installation area given in the design drawings. Entries missing any axis data or exceeding the design range by ±50 mm are judged as invalid data and eliminated; the final selected coordinate entries within the specifications must meet the accuracy requirements of the current engineering surveying specifications, and the generated on-site installation point coordinate dataset must include the measuring point number, three-dimensional coordinates, acquisition time, measuring equipment number, and deviation verification results to achieve full data traceability.

[0020] S102: Call the on-site installation point coordinate dataset, extract the coordinates of the starting and ending reference points in the dataset, perform a straight line connection operation on the two points, generate the installation reference axis, match the positioning coordinates of the pre-embedded brackets in the dataset, set the reference points of each bracket accordingly, and generate the installation reference axis and bracket reference point parameter set. The straight-line connection calculation uses the least squares method to perform spatial straight-line fitting on the three-dimensional coordinates of the starting and ending reference points, generating a three-dimensional installation reference axis that adapts to the vertical elevation changes of the busbar bridge, rather than just a planar straight line. The rules for setting the bracket reference points are as follows: using the fitted reference axis as a reference, along the axis and according to the bracket spacing given in the design drawings, the theoretical reference points corresponding to each pre-embedded bracket are projected onto the axis. At the same time, the on-site positioning coordinates of the bracket are vertically projected onto the reference axis to obtain the on-site projected points. After comparing the two, the reference point of the bracket is locked, ensuring that each bracket reference point is on the reference axis and the deviation from the design spacing is no more than ±1mm. The generated installation reference axis and bracket reference point parameter set must include the spatial straight-line equation of the reference axis, the three-dimensional coordinates of each bracket reference point, the unique bracket number, the design spacing, and the on-site projection deviation value, ensuring that the parameters can be directly called by subsequent steps.

[0021] S103: Call the on-site installation point coordinate dataset, call the installation reference axis and support reference point parameter set, integrate the corresponding data items of the dataset and parameter set, match the correspondence between the installation axis and support point, verify the logical consistency of the corresponding data items, and generate the full-section installation reference positioning parameters. Data integration uses the unique bracket number as the association identifier. The measured coordinates of the brackets in the on-site installation point coordinate dataset are bound one-to-one with the corresponding bracket reference point coordinates and axis parameters in the installation reference axis and bracket reference point parameter set, forming a one-to-one corresponding data group of "bracket number - measured coordinates - reference axis parameter - reference point coordinates", with no overlap or omission. The corresponding logical consistency verification must meet three rules simultaneously: First, under the same bracket number, the deviation between the projection point of the measured coordinates in the field and the reference point coordinates is within the allowable measurement error range; second, the start and end points of the reference axis are completely consistent with the start and end reference point coordinates in the dataset; third, the bracket installation sequence is completely matched with the axis direction. If there are entries with mismatched numbers, reversed order, or excessive deviation, the process returns to S101 for re-collection and verification. The final generated installation reference positioning parameters for the entire section must include the spatial reference axis equation for the entire busbar bridge installation, the three-dimensional coordinates of the reference points at the start and end points, the number of each support and the three-dimensional coordinates of the corresponding reference point, the design spacing of the supports, and the initial deviation values ​​between the measured coordinates on site and the reference points. The parameter format must be compatible with the data interface of the on-site measuring equipment and the installation calibration equipment.

[0022] The steps to obtain S2 are as follows: S201: Call the full-section installation reference positioning parameters, collect the coordinates of both ends of each precast busbar bridge component, collect the coordinates of the bracket installation position of each precast busbar bridge component, verify the completeness of coordinate data entries, arrange the installation order of coordinate data, check the component number of coordinate data, remove duplicate coordinate entries, filter compliant coordinate data, integrate the corresponding relationship of coordinate data, and generate a set of coordinates of precast component installation points. Coordinate acquisition of precast components must be carried out before the precast components leave the factory or in the leveled and hardened assembly area on site. The same model and precision measuring equipment as the on-site benchmark should be used to ensure consistent measurement system error. The acquisition environment should be windless and free from direct strong sunlight to avoid measurement errors caused by component deformation or light refraction. The coordinate acquisition measurement points are required as follows: for the coordinates of both ends of each precast busbar bridge component, the center coordinates of the flange at the end of the component and the coordinates of the four mounting holes of the flange should be collected, and the average value should be taken as the reference coordinates of the end of the component; for the coordinates of the component support installation position, the center coordinates of the support installation interface and the coordinates of the mounting holes on the component should be collected, and the average value should be taken as the reference coordinates of the support installation position. Each measurement point should be repeated no less than 2 times, and the error of a single measurement should not exceed ±2mm. The data verification rules are as follows: The completeness of coordinate data entries must be verified for each component segment, including the coordinates of both ends and the coordinates of all support installation positions. Entries lacking any data are considered incomplete and must be re-collected. The installation sequence follows the designed installation order of components throughout the busbar bridge, arranged in ascending order from the start to the end. Component numbers must be consistent with both the segment number on the design drawings and the factory number. Duplicate coordinate entries are those from the same component at the same measuring point, with a coordinate value deviation of less than 0.2mm, and are therefore removed. The compliant coordinate data screening standard is that the coordinate value deviation from the theoretical design coordinates should not exceed ±3mm; values ​​exceeding this range are considered unqualified. The final generated set of precast component installation point coordinates must include the component segment number, factory number, three-dimensional coordinates of both ends of the component, three-dimensional coordinates of each support installation position, theoretical design coordinates, and measured deviation values. The numbering system must be fully compatible with the installation reference positioning parameters for the entire section.

[0023] S202: Call the full-section installation benchmark positioning parameters, call the prefabricated component installation point coordinate set, extract the corresponding coordinate data of the component in the coordinate set, match the corresponding benchmark points in the full-section installation benchmark positioning parameters, check the correspondence between the coordinate data and the benchmark points, integrate the matched corresponding parameter entries, verify the logical consistency of the parameters, and generate the segment component calibration benchmark alignment parameters. The benchmark point matching uses the component segment number as the unique matching identifier. It matches the component support installation position coordinates within the prefabricated component installation point coordinate set with the corresponding support benchmark points in the overall installation benchmark positioning parameters. It also matches the coordinates of both ends of the component with the start and end points of the corresponding segments on the benchmark axis, ensuring that the installation position of each component segment completely corresponds to the segment interval of the benchmark axis. The correspondence verification must simultaneously meet the following requirements: the matched component installation segment interval is consistent with the design segment length; the number of component support installation positions is consistent with the number of supports in the corresponding interval; and the component end docking position matches the docking number of adjacent components. If any mismatch is found, the process returns to S201 for re-collection and verification. Parameter integration requires integrating the matched "component number - component end coordinates - component support installation position coordinates - corresponding support benchmark point coordinates - benchmark axis segment parameters" into corresponding parameter entries. It verifies the logical consistency between the component installation position coordinates and benchmark point coordinates within the same parameter entry, and verifies the overlap between the segment interval and the benchmark axis, ensuring that parameter entries are not overlapping, omitted, or mismatched. The final generated calibration benchmark alignment parameters for segmented components must include the component segment number, the corresponding benchmark axis segment equation, the benchmark coordinates at both ends of the component, the benchmark coordinates of each support installation position, and the component design installation posture parameters. These parameters can be directly used for alignment calibration after on-site component hoisting.

[0024] The steps to obtain S3 are as follows: S301: Call the full-section installation reference positioning parameters and the segment component calibration reference alignment parameters, collect the installation position coordinates of the bracket of the component to be spliced, collect the corresponding bracket reference point coordinates, calculate the two sets of coordinate differences, verify the integrity of the difference data, arrange the installation order of the difference data, check the component number of the difference data, remove duplicate difference entries, filter compliant difference data, and generate a set of component installation position coordinate differences. The coordinate acquisition of the components to be assembled must be carried out after the components are hoisted above the corresponding mounting brackets, initially positioned, and stable. This avoids measurement errors caused by hoisting sway. The acquisition equipment should maintain the same accuracy as the previous benchmark acquisition equipment and adopt a prism-free measurement mode. The measuring points should be completely consistent with the measuring points of the component bracket installation position acquired by S201 to ensure a unified benchmark for the difference calculation. The coordinate difference calculation is performed for the same bracket installation position. The coordinate difference between the measured coordinates of the bracket installation position of the component to be assembled and the coordinates of the corresponding bracket benchmark point are calculated in three dimensions: X-axis (axial), Y-axis (radial), and Z-axis (vertical elevation). The difference calculation formula is ΔX = X measured - X benchmark, ΔY = Y measured - Y benchmark, ΔZ = Z measured - Z benchmark. A single set of difference data includes the difference values ​​in all three dimensions. The data processing rules are as follows: The completeness of the difference data must be verified to ensure that all bracket installation positions of the component to be spliced ​​have corresponding difference data. Entries lacking any dimension or installation position difference are considered incomplete and must be recalculated. The installation order is arranged in ascending order from the spliced ​​end to the end to be spliced, following the component installation direction. The component number must be completely consistent with the component number in the alignment parameters of the segmented component calibration benchmark. Duplicate difference entries are those with the same installation position, the same number, and a difference deviation of less than 0.1mm, and are therefore removed. The selection criteria for compliant difference data are that the difference value is within the measurement system error range, the deviation from the difference value of other installation positions of the same component does not exceed ±5mm, and there are no abnormal jump values. The final generated component installation position coordinate difference set must include the component number, the three-dimensional coordinate difference of each installation position, the corresponding benchmark point coordinates, the measurement point number, and the verification result.

[0025] S302: Call the full-section installation reference positioning parameters, call the component installation position coordinate difference set, compare the data in the difference set with the bracket installation tolerance 40% threshold, collect the component end coordinates, collect the end coordinates of adjacent spliced ​​components, collect the reference axis, calculate the coordinate offset difference, and synchronously compare the offset difference with the design tolerance 50% threshold to generate the component posture comparison and verification dataset. The bracket installation tolerances comply with the allowable deviations for bracket installation positions specified in GB50149, "Code for Construction and Acceptance of Busbar Installations in Electrical Installations". The design tolerances are the allowable deviations for coaxiality and flatness of the busbar bridge end joints given in the design drawings. The 40% and 50% thresholds are warning thresholds. Exceeding the thresholds will trigger attitude adjustments to prevent the cumulative deviations from exceeding the final allowable tolerances specified in the code. The bracket tolerance comparison rule is as follows: the sum of the three-dimensional coordinate differences in the component installation position coordinate difference set is compared with the 40% threshold of the bracket installation tolerance. The formula for calculating the sum is Δsum = √(ΔX² + ΔY² + ΔZ²). When Δsum > bracket installation tolerance × 40%, the installation position is marked as an out-of-tolerance warning point. The end offset difference is calculated using the reference axis as the benchmark. The projection points of the center coordinates of the end of the component to be spliced ​​and the center coordinates of the adjacent spliced ​​components onto the reference axis are calculated. The axial spacing deviation, radial coaxiality deviation, and vertical elevation deviation of the two projection points are calculated, along with the flatness deviation of the two end flanges. These deviations together constitute the end offset difference. For design tolerance comparison, the coaxiality, flatness, and elevation deviations in the end offset difference are compared synchronously with the 50% threshold of the corresponding design tolerance. Any deviation exceeding the threshold is marked as an out-of-tolerance warning point. The final generated component attitude comparison and verification dataset must include the component number, the three-dimensional difference of each bracket installation position, the out-of-tolerance warning mark, the values ​​of each item in the end offset difference, the out-of-tolerance warning mark, the corresponding tolerance threshold, the reference axis parameters, and clearly indicate the dimensions and directions to be adjusted.

[0026] S303: Call the segmented component calibration benchmark alignment parameters, call the component attitude comparison and verification dataset, adjust the axial and radial attitude of the component according to the comparison and verification results, verify the coordinate data after attitude adjustment, integrate the attitude locking corresponding parameter entries, check the logical consistency of the parameters, filter compliant parameter entries, and generate single-segment component alignment attitude locking parameters. The component attitude adjustment is based on the out-of-tolerance warning points in the attitude comparison and verification dataset, following the adjustment sequence of "axial first, then radial and vertical." First, the axial (X-axis) position is adjusted to eliminate axial spacing deviations, then the radial (Y-axis) and vertical (Z-axis) attitudes are adjusted to eliminate radial coaxiality and elevation deviations. The adjustment process uses jacks and specialized fine-tuning tools for graded fine-tuning, with each adjustment not exceeding 0.5mm to avoid excessive adjustments causing reverse out-of-tolerance. Coordinate data is collected in real-time during the adjustment process, and the results are compared with dual thresholds until all deviations are below their corresponding thresholds. Post-adjustment coordinate data verification requires that after the attitude adjustment is completed, the coordinates of all support installation positions and both ends of the component are re-collected using measuring equipment of the same precision. This measurement is repeated at least three times, and the average value is taken as the post-adjustment measured coordinates. The coordinate differences from the reference points and the end offset differences are recalculated. Verification is performed to ensure that all differences are below the dual thresholds and the final deviation meets the requirements of GB50149 standard. If the verification fails, readjustment is required. Parameter integration uses the component number as a unique identifier. The adjusted component's measured 3D coordinates, corresponding reference point coordinates, attitude adjustment amount, final deviation value, and locked installation attitude parameters are integrated into corresponding parameter entries. The logical consistency between the coordinate data within each parameter entry and the reference axis is verified, as well as the matching of the component end docking parameters with adjacent already spliced ​​components. The final generated single-segment component alignment attitude locking parameters must include the component segment number, the locked 3D coordinates of each measuring point on the component, the final deviation value, attitude adjustment record, corresponding support reference point parameters, and end docking alignment parameters. These parameters serve as the basis for the qualified installation of this segment and the foundational data for subsequent segment error correction.

[0027] The steps to obtain S4 are as follows: S401: Call the single-segment component alignment attitude locking parameters and segment alignment parameters, extract the actual installation coordinates of the spliced ​​component, extract the preset installation coordinates of the spliced ​​component, calculate the difference between the corresponding values ​​of the two sets of coordinates, verify the completeness of the difference data entries, arrange the installation order of the difference data, check the component number of the difference data, remove duplicate difference entries, filter compliant difference data, and generate the installation coordinate difference set of the spliced ​​component; The actual installation coordinates of the assembled components are extracted from the locked 3D coordinates of the components in the single-segment component alignment attitude locking parameters generated by S303. The preset installation coordinates of the assembled components are extracted from the theoretical reference coordinates of the corresponding components in the full-segment installation reference positioning parameters and the segment component calibration reference alignment parameters. The measurement point positions and numbering systems of the two sets of coordinates are completely consistent, ensuring a unified reference for the difference calculation. The coordinate difference calculation is performed for each measurement point of the assembled components (bracket installation position, end docking position), calculating the difference between the actual coordinates and the preset coordinates in the three dimensions of X-axis, Y-axis, and Z-axis respectively. At the same time, the single-segment installation deviation and the total cumulative deviation value are calculated to clarify the error distribution and cumulative trend. The data processing rules are as follows: The integrity of the difference data must be verified to ensure that all measuring points of the spliced ​​components have corresponding difference data. Entries lacking any dimension or measuring point difference are considered incomplete and must be recalculated. The installation order is arranged in ascending order from the starting end to the currently completed end of the splicing. The component number must be completely consistent with the number in the previous process. Duplicate difference entries are those with the same measuring point, the same number, and a difference deviation of less than 0.1mm, and are therefore removed. The criteria for compliant difference data selection are that the difference value has no abnormal jumps and the difference deviation from adjacent measuring points does not exceed ±3mm. The final generated set of installation coordinate difference values ​​for the spliced ​​components must include the spliced ​​component number, the three-dimensional difference of each measuring point, the single-segment installation deviation, the total cumulative deviation, the corresponding reference coordinates, and the actual installation coordinates.

[0028] S402: Based on the alignment attitude locking parameters of a single component and the segment alignment parameters, call the installation coordinate difference set of the spliced ​​components, extract the corresponding values ​​in the difference set, correct the calibration reference point of the next component to be spliced, verify the corrected reference point data, integrate the coordinate entries corresponding to the points, check the logical consistency of the coordinate data, filter compliant coordinate entries, and generate the reference pre-corrected coordinates of the component to be spliced. The benchmark point correction employs an error-sharing compensation method. Based on the cumulative deviation value of the entire segment from the coordinate difference set of the already spliced ​​components, the cumulative deviation is evenly distributed to the corresponding benchmark points of the next component to be spliced, according to the segment length and number of supports. The core principle of correction is to offset the accumulated deviation and prevent it from accumulating along the installation direction. The amount of correction in a single instance shall not exceed 30% of the design tolerance, ensuring that the corrected benchmark points remain within the allowable deviation range of the benchmark axis. Verification of the corrected benchmark point data must simultaneously meet the following requirements: the projected deviation of the corrected benchmark point of the component to be spliced ​​from the benchmark axis within the installation area given in the design drawings is no greater than ±2mm; the deviations of the corrected segment length and support spacing from the design drawings meet the specifications; and the deviation of the corrected end joint point from the end of the already spliced ​​component is controlled within 50% of the design tolerance threshold. If the verification fails, the correction amount must be readjusted. Parameter integration uses the component number to be spliced ​​as a unique identifier. The coordinates of the reference point before correction, the correction amount, the coordinates of the reference point after correction, the cumulative deviation value, and the corresponding reference axis parameters are integrated into corresponding coordinate entries. The consistency of the correction logic within each entry and the cancellation of the cumulative deviation are verified. The matching of the coordinate entries with the installation sequence and the number of measuring points of the components to be spliced ​​is also verified. The final generated pre-corrected reference coordinates of the component to be spliced ​​must include the segment number of the component to be spliced, the three-dimensional coordinates of the pre-corrected reference points at each support installation position, the pre-corrected alignment coordinates of both ends of the component, the correction amount, and the corresponding cumulative deviation value. This is directly used in the splicing calibration process of the next component segment.

[0029] The steps to obtain S5 are as follows: S501: Call the pre-corrected coordinates of the reference of the component to be spliced ​​and the positioning parameters of the full-segment installation reference, extract the corresponding parameter items of the single-segment splicing calibration process, verify the completeness of the parameter items, verify the validity of the parameter item values, check the component number corresponding to the parameters, arrange the parameter installation order, eliminate duplicate parameter items, filter compliant parameter items, integrate the corresponding parameter set of the process execution, and generate the single-segment splicing calibration process execution parameter set; The parameter entries corresponding to the single-segment splicing calibration process are extracted to cover all parameters in the entire single-segment splicing calibration process, including the alignment parameters of the segmented component calibration reference generated in step S2, the alignment attitude locking parameters of the single-segment component generated in step S3, the pre-corrected coordinates of the reference of the component to be spliced ​​generated in step S4, and the positioning parameters of the full-segment installation reference. This ensures that all execution parameters from alignment matching and attitude calibration to error correction are covered without any omissions. The parameter verification and processing rules are as follows: The completeness of parameter entries must be verified against all S2-S4 process parameters for single-segment component splicing calibration. Entries lacking any process parameter are considered incomplete and must be retrieved from the corresponding step. The validity of parameter values ​​must be verified to be within the allowable deviation range of the design and specifications, with no abnormal out-of-tolerance values. Component numbers must be completely consistent with the segment numbers in the design drawings and the numbers in the full-segment installation reference positioning parameters. The installation sequence is arranged in ascending order from the starting end to the ending end. Duplicate parameter entries are those with a parameter deviation of less than 0.1mm for the same component, process, and measuring point, and are therefore removed. The selection criteria for compliant parameter entries are consistent parameter logic, valid values, no out-of-tolerance values, and no mismatches. The final generated single-segment splicing calibration process execution parameter set must include the single-segment component number, the reference parameters for the entire process execution, alignment parameters, attitude locking parameters, pre-correction coordinate parameters, deviation control thresholds, and verification records, forming a standardized execution parameter package for single-segment component splicing, which can be called cyclically.

[0030] S502: Call the single-segment splicing calibration process to execute the parameter set, execute the single-segment splicing calibration process in a loop, collect the corresponding coordinate data after each component is spliced, verify the integrity of the splicing data, verify the validity of the splicing data values, check the component number of the splicing data, arrange the installation order of the splicing data, remove duplicate splicing data entries, filter compliant splicing data entries, integrate the corresponding data after the entire segment is spliced, and generate the full segment bus bridge splicing completion dataset; The cyclic execution starts from the beginning of the busbar bridge and follows the installation sequence. After each segment's splicing calibration is completed, the parameter set for the corresponding segment's single-segment splicing calibration process generated by S501 is invoked, executing the single-segment splicing calibration processes S2-S4 until the final segment is spliced. During the cycle, after each segment is spliced, the cumulative deviation value and the pre-corrected coordinates of the next segment are updated synchronously, achieving progressive splicing and closed-loop error control. Coordinate data acquisition for each segment must be performed after splicing and bolt tightening. Using measuring equipment of the same precision, the coordinates of all bracket installation positions and the docking coordinates at both ends of the segment are collected. Measurements are repeated at least three times, and the average value is taken as the completed coordinates of the segment. The collected measurement points are completely consistent with the previously collected benchmark measurement points to ensure data traceability and comparability. The data processing rules are as follows: The integrity of the spliced ​​data requires verification that all segmented components have corresponding spliced ​​coordinate data. Entries lacking any component or measuring point data are considered incomplete and must be re-collected. The validity of the spliced ​​data values ​​requires verification that the coordinate data is within the designed installation area and the deviation meets the requirements of GB50149. Component numbers must be completely consistent with the segment numbers on the design drawings. The installation sequence is arranged in ascending order from the start to the end. Duplicate spliced ​​data entries are those involving the same component, the same measuring point, and coordinate value deviations less than 0.2mm, and are therefore removed. The selection criteria for compliant spliced ​​data entries are that the coordinate data has no abnormal jumps and the deviation is within the allowable range of the specifications. The final generated dataset of the entire busbar bridge spliced ​​completion must include the segment numbers of all components in the entire section, the measured three-dimensional coordinates after splicing, the single-segment installation deviation, the total deviation for the entire section, the coordinates of the corresponding reference points, the splicing completion time, and verification records, completely recording the actual installation status of the entire spliced ​​section.

[0031] S503: Based on the pre-corrected coordinates of the component to be spliced ​​and the positioning parameters of the entire installation reference, call the single-segment splicing calibration process to execute the parameter set, call the entire bus bridge splicing completion dataset, integrate the corresponding entries of the dataset and parameter set, verify the logical consistency between the data and the parameters, filter compliant completion data entries, check the completeness of the completion data, check the validity of the completion data values, and generate splicing installation completion positioning data. Data integration uses component segment numbers as unique identifiers to bind and integrate corresponding data entries from the entire section's installation benchmark positioning parameters, single-segment splicing calibration process execution parameter sets, and the entire section's busbar bridge splicing completion dataset. This forms a closed-loop data group covering the entire process from benchmark establishment to splicing completion: "Design benchmark parameters - field execution parameters - actual installation data." Logical consistency verification must simultaneously meet the following requirements: under the same component number, the design benchmark parameters, execution parameters, and actual installation data must be logically consistent; the deviation between the start and end coordinates of the entire installation section and the initial benchmark point coordinates must be within the allowable range of the specifications; the cumulative deviation of the entire section must be within the final tolerance range allowed by the design and specifications; and the installation sequence must be completely consistent with the design direction. Entries with data mismatches, logical contradictions, or final deviations exceeding specifications must be returned to the corresponding step for re-verification. The screening and verification of as-built data must select compliant as-built data items that are logically consistent throughout the entire process, have valid values, and whose deviations comply with the requirements of the "Unified Standard for Acceptance of Construction Quality of Building Engineering" GB50300 and GB50149. The verification must cover all components, all measuring points, and all stages of the entire process, ensuring no omissions or gaps. All measured data must be verified as valid data collected on-site, without tampering or fabrication. The final splicing and installation as-built positioning data must include the installation reference axis parameters of the entire busbar bridge, the coordinates of the start and end reference points, the reference points and actual installation coordinates of each support, the design parameters and actual installation coordinates of each segment component, the entire process deviation control record, the single-segment calibration and cyclic splicing execution record, and the final installation deviation value. The data format must meet the requirements for archiving engineering as-built data and can be directly used as the basis for the completion acceptance of the busbar bridge installation project. It can also be used as reference data for the subsequent operation and maintenance of the busbar bridge.

[0032] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A method for quick on-site connection of a prefabricated DC bus bridge for high-voltage energy storage in smart grids, characterized in that, Includes the following steps: S1: Obtain the coordinates of the reference points at the start and end of the busbar bridge installation site, collect the on-site positioning coordinates of the pre-embedded supports, connect them to generate the installation reference axis, set the reference points of the supports, and generate the installation reference positioning parameters for the entire section. S2: Call the full-section installation benchmark positioning parameters, collect the coordinates of the two ends of each prefabricated busbar bridge component and the support installation position, match the corresponding benchmark points, and generate segment component calibration benchmark alignment parameters; S3: Call the full-section installation reference positioning parameters and the segment component calibration reference alignment parameters, collect the corresponding coordinate difference of the component to be spliced, compare it with the support tolerance 40% threshold, collect the end offset difference and compare it synchronously with the design tolerance 50% threshold, adjust the axial and radial attitude of the component, and generate the single-segment component alignment attitude locking parameters. S4: Call the single-segment component alignment attitude locking parameters and segment alignment parameters, calculate the coordinate difference of the spliced ​​components, correct the reference point position of the next segment to be spliced, and generate the reference pre-corrected coordinates of the component to be spliced. S5: Call the pre-corrected coordinates of the component to be spliced ​​and the positioning parameters of the entire installation reference, and repeatedly execute the single-segment splicing calibration process to complete the progressive splicing of the entire busbar bridge and generate splicing installation completion positioning data.

2. The method for quick on-site connection of a prefabricated DC bus bridge for high-voltage energy storage in smart grids according to claim 1, characterized in that, The steps for obtaining S1 are as follows: S101: Obtain the reference point coordinates of the starting and ending points of the busbar bridge installation site, collect the on-site positioning coordinates of each pre-embedded installation bracket, remove duplicate coordinate data entries, arrange the corresponding installation order of coordinate data, verify the validity of coordinate data values, filter coordinate entries within the collection specifications, and generate a dataset of on-site installation point coordinates. S102: Call the on-site installation point coordinate dataset, extract the coordinates of the starting and ending reference points in the dataset, perform a straight line connection operation on the two points, generate the installation reference axis, match the positioning coordinates of the pre-embedded brackets in the dataset, set the reference points of each bracket accordingly, and generate the installation reference axis and bracket reference point parameter set. S103: Call the on-site installation point coordinate dataset, call the installation reference axis and support reference point parameter set, integrate the corresponding data items of the dataset and parameter set, match the correspondence between the installation axis and support point, verify the logical consistency of the corresponding data items, and generate the full-section installation reference positioning parameters.

3. The method for quick on-site connection of a prefabricated DC bus bridge for high-voltage energy storage in smart grids according to claim 1, characterized in that, The steps for obtaining S2 are as follows: S201: Call the full-section installation reference positioning parameters, collect the coordinates of both ends of each precast busbar bridge component, collect the coordinates of the bracket installation position of each precast busbar bridge component, verify the completeness of coordinate data entries, arrange the installation order of coordinate data, check the component number of coordinate data, remove duplicate coordinate entries, filter compliant coordinate data, integrate the corresponding relationship of coordinate data, and generate a set of coordinates of precast component installation points. S202: Call the full-section installation benchmark positioning parameters, call the prefabricated component installation point coordinate set, extract the corresponding coordinate data of the component in the coordinate set, match the corresponding benchmark points in the full-section installation benchmark positioning parameters, verify the correspondence between the coordinate data and the benchmark points, integrate the matched corresponding parameter entries, verify the logical consistency of the parameters, and generate the segment component calibration benchmark alignment parameters.

4. The method for quick on-site connection of a prefabricated DC bus bridge for high-voltage energy storage in smart grids according to claim 1, characterized in that, The steps for obtaining S3 are as follows: S301: Call the full-section installation reference positioning parameters and the segment component calibration reference alignment parameters, collect the installation position coordinates of the bracket of the component to be spliced, collect the corresponding bracket reference point coordinates, calculate the two sets of coordinate differences, verify the integrity of the difference data, arrange the installation order of the difference data, check the component number of the difference data, remove duplicate difference entries, filter compliant difference data, and generate a set of component installation position coordinate differences. S302: Call the full-section installation reference positioning parameters, call the component installation position coordinate difference set, compare the data in the difference set with the bracket installation tolerance 40% threshold, collect the component end coordinates, collect the end coordinates of adjacent spliced ​​components, collect the reference axis, calculate the coordinate offset difference, and synchronously compare the offset difference with the design tolerance 50% threshold to generate the component posture comparison and verification dataset. S303: Call the segmented component calibration benchmark alignment parameters, call the component attitude comparison and verification dataset, adjust the component axial and radial attitude according to the comparison and verification results, verify the coordinate data after attitude adjustment, integrate the attitude locking corresponding parameter entries, check the logical consistency of the parameters, filter compliant parameter entries, and generate single-segment component alignment attitude locking parameters.

5. The method for quick on-site connection of a prefabricated DC bus bridge for high-voltage energy storage in smart grids according to claim 1, characterized in that, The steps for obtaining S4 are as follows: S401: Call the single-segment component alignment attitude locking parameters and segment alignment parameters, extract the actual installation coordinates of the spliced ​​component, extract the preset installation coordinates of the spliced ​​component, calculate the difference between the corresponding values ​​of the two sets of coordinates, verify the completeness of the difference data entries, arrange the installation order of the difference data, check the component number of the difference data, remove duplicate difference entries, filter compliant difference data, and generate the installation coordinate difference set of the spliced ​​component; S402: Based on the alignment attitude locking parameters of a single component and the segment alignment parameters, call the installation coordinate difference set of the spliced ​​components, extract the corresponding values ​​in the difference set, correct the calibration reference point of the next component to be spliced, verify the corrected reference point data, integrate the coordinate entries corresponding to the points, check the logical consistency of the coordinate data, filter compliant coordinate entries, and generate the reference pre-corrected coordinates of the component to be spliced.

6. The method for quick on-site connection of a prefabricated DC bus bridge for high-voltage energy storage in smart grids according to claim 1, characterized in that, The steps for obtaining S5 are as follows: S501: Call the pre-corrected coordinates of the reference of the component to be spliced ​​and the positioning parameters of the full-segment installation reference, extract the corresponding parameter items of the single-segment splicing calibration process, verify the completeness of the parameter items, verify the validity of the parameter item values, check the component number corresponding to the parameters, arrange the parameter installation order, eliminate duplicate parameter items, filter compliant parameter items, integrate the corresponding parameter set of the process execution, and generate the single-segment splicing calibration process execution parameter set; S502: Call the single-segment splicing calibration process to execute the parameter set, execute the single-segment splicing calibration process in a loop, collect the corresponding coordinate data after each component is spliced, verify the integrity of the splicing data, verify the validity of the splicing data values, check the component number of the splicing data, arrange the installation order of the splicing data, remove duplicate splicing data entries, filter compliant splicing data entries, integrate the corresponding data after the entire segment is spliced, and generate the full segment bus bridge splicing completion dataset; S503: Based on the pre-corrected coordinates of the component to be spliced ​​and the positioning parameters of the entire installation reference, the single-segment splicing calibration process is called to execute the parameter set, the entire bus bridge splicing completion dataset is called, the corresponding entries of the dataset and parameter set are integrated, the logical consistency between the data and the parameters is verified, compliant completion data entries are selected, the completeness of the completion data is checked, the validity of the completion data values ​​is checked, and splicing installation completion positioning data is generated.

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