CN-122015958-A - Standard support and hanger load compensation and monitoring operation management system

CN122015958ACN 122015958 ACN122015958 ACN 122015958ACN-122015958-A

Abstract

The invention discloses a standard hanger load compensation and monitoring operation and maintenance management system, which relates to the technical field of constant force and variable force spring hangers and comprises a field monitoring layer, a network transmission layer and a platform application layer, wherein the field monitoring layer is used for collecting displacement, load and vibration at the constant force and variable force spring hangers in real time and forming hanger state data, the network transmission layer is used for transmitting the hanger state data to a data aggregation unit through a hybrid communication network and realizing stable power supply and communication, the platform application layer is used for storing, fusion analysis and state evaluation of the hanger state data and outputting early warning information and load compensation suggestion.

Inventors

LI HENGSHENG
ZHANG WEI
LI RUI
FU CHENG
XIONG RUI

Assignees

腾宇电力科技(江苏)有限公司
誉新智能科技(江苏)有限公司

Dates

Publication Date: 20260512
Application Date: 20260129

Claims (8)

1. The standard support and hanger load compensation and monitoring operation and maintenance management system is characterized by comprising the following components: The on-site monitoring layer is used for collecting displacement, load and vibration at the constant force and variable force spring support and hanger in real time and forming support and hanger state data; The network transmission layer is used for transmitting the support and hanger state data to the data aggregation unit through a hybrid communication network and realizing stable power supply and communication; and the platform application layer is used for storing, fusing, analyzing and evaluating the state data of the support and hanger, and outputting early warning information and load compensation suggestions.
2. The standard hanger load compensation and monitoring operation and maintenance management system according to claim 1, wherein the field monitoring layer comprises a collection node, a displacement sensor, a strain gauge, a vibration sensor, a signal conditioning unit, a time synchronization unit and a low-power consumption power management unit, wherein the collection node is used for carrying sensor access and data sampling, the displacement sensor is used for collecting hanger displacement, the strain gauge is used for collecting hanger load representation signals, the vibration sensor is used for collecting hanger mechanical vibration signals, the signal conditioning unit is used for amplifying and filtering sensor signals, the time synchronization unit is used for time aligning multi-source data, and the low-power consumption power management unit is used for reducing power consumption of the collection node and guaranteeing continuous operation; the network transmission layer comprises a LoRa wireless communication unit, a two-bus communication and power supply unit and a data aggregation unit, wherein the LoRa wireless communication unit is used for carrying out long-distance low-power-consumption data transmission on the difficult-to-wire nodes, the two-bus communication and power supply unit is used for intensively supplying power to the front-end sensor and completing data communication, and the data aggregation unit is used for aggregating uploading data of the LoRa and the two buses and forwarding the data to the platform application layer; The platform application layer comprises a data storage unit, a device management unit, a threshold early warning unit, an intelligent diagnosis and state evaluation unit, a visual display unit and a report output unit, wherein the data storage unit is used for storing historical monitoring data, the device management unit is used for managing a collection node and a communication link, the threshold early warning unit is used for triggering an alarm under abnormal working conditions, the intelligent diagnosis and state evaluation unit is used for carrying out health evaluation based on the historical data and fault characteristics and generating a load compensation suggestion, the visual display unit is used for providing a display interface of a computer terminal and a mobile terminal, and the report output unit is used for outputting a patrol inspection and maintenance decision report.
3. The standard hanger load compensation and monitoring operation and maintenance management system according to claim 2, wherein the working method of the system comprises the following steps: s1, deployment and calibration, namely installing acquisition nodes at the positions of constant force and variable force spring support and hanger, connecting a displacement sensor, a strain gauge and a vibration sensor, completing initialization configuration of zero points, measuring ranges and communication links, and forming a reference state record for subsequent evaluation. S2, continuously acquiring and transmitting displacement, load representation signals and vibration signals by an acquisition node, continuously acquiring and marking uniform time marks, uploading the signals to a data aggregation unit through a LoRa wireless link and two bus links, and forwarding the data to a platform application layer by the data aggregation unit. S3, data preprocessing and feature construction, namely, the platform performs integrity check on the uploaded data and performs noise suppression and drift correction, constructs a feature sequence for abnormality identification based on displacement, load and vibration, and forms a time sequence state image of the support and the hanger. S4, intelligent diagnosis and state evaluation, wherein the platform evaluates the health state of the support and hanger according to historical data and fault characteristics and identifies abnormal working conditions, classifies abnormal types and correlates the change relation of displacement, load and vibration, and outputs fault early warning results and risk grades. And S5, compensating advice output and closed-loop recording, wherein the platform generates load compensating advice and maintenance treatment advice for the hanging point based on the evaluation result, forms traceable recording for the warning and advice and outputs a report, and compares and records the treatment effect in the follow-up acquired data so as to support rechecking.
4. The standard hanger load compensation and monitoring operation and maintenance management system according to claim 3, wherein S1 is specifically: S1-1, measuring range and sampling configuration, namely configuring a displacement measuring range to be 0-1250 mm, configuring a load measuring range to be 0-20 tons and correspond to 0 kN-200 kN, and configuring a sampling frequency to be 1-60 times per minute, wherein the displacement measuring range is used for limiting an effective measuring range of a displacement sensor, the load measuring range is used for limiting an effective conversion range of a strain gauge measuring link, and the sampling frequency is used for limiting a data updating frequency of an acquisition node; S1-2, load conversion and calibration, namely, the first step The supporting and hanging frames are at the moment The acquired strain gauge output strain value is recorded as The converted load is recorded as And adopts the calibration relation Wherein Is the first The hanger brackets are strained to the calibration factor of the load, Is zero offset; s1-3, calibrating displacement zero point, namely The supporting and hanging frames are at the moment The acquired displacement is recorded as Zero calibration value is marked as And obtain the displacement value after zero point correction 。
5. The standard hanger load compensation and monitoring operation and maintenance management system according to claim 4, wherein S2 is specifically: S2-1, time alignment, namely mapping the sampling results of displacement, load and vibration to a unified time sequence Wherein For the sample sequence number, Is the first Sub-sampling time; s2-2, sampling interval, defining sampling interval And according to the sampling frequency Defined in the interval 1s to 60s, wherein A time resolution for constraining successive samples; s2-3, to be in unified time series Uploading to a data aggregation unit, wherein Is the first The supporting and hanging frames are at the moment The uploading link comprises a LoRa wireless link and two bus links, and the data aggregation unit is used for aggregating and forwarding the two types of link data to the platform application layer.
6. The standard hanger load compensation and monitoring operation and maintenance management system according to claim 5, wherein S3 is specifically: s3-1, filtering load, to load sequence Applying a filtering operator to obtain a filtered load; S3-2, vibration intensity characteristic, namely setting window length as And calculates the first The supporting and hanging frames are at the moment Is characterized in that the root mean square of the vibration of the (c), Wherein Is characterized by vibration intensity; S3-3, constructing early warning input quantity 、 And (3) with Component state vector And inputting the state vector into an intelligent diagnosis and state evaluation unit for abnormality identification and grading early warning.
7. The standard hanger load compensation and monitoring operation and maintenance management system according to claim 6, wherein S4 is specifically: s4-1, resultant force of system, to same moment Lower part(s) And summing the filtering loads of the support and hanger to obtain a system resultant force: ; s4-2, contribution ratio, calculating the first Load contribution rate of each support and hanger The system is used for representing the duty ratio of the support and hanger in the resultant force of the system; S4-3, reassigning the judgment, wherein the length is Calculating contribution rate mean in evaluation interval of (a) And calculate the contribution rate variation Wherein As the mean value of the front subinterval, When there is a mean value of the rear subinterval And is present in Determining when there is load redistribution in the system, wherein In order to determine the threshold value, And Numbering different hangers.
8. The standard hanger load compensation and monitoring operation and maintenance management system according to claim 7, wherein the step S5 is specifically: s5-1, target load, for the first Generating target loads by a plurality of support hangers And make Falls within the allowable interval Wherein And A lower allowable limit and an upper allowable limit for the resultant force of the system; S5-2, calculating load deviation by compensating the recommended quantity ; S5-3, suggesting mapping and checking up to standard By suggesting mapping functions Conversion to maintenance and adjustment oriented advice Wherein To determine the mapping function according to the calibration data, retesting is performed after maintenance treatment Calculating standard index When (when) Time-determining that the compensation proposal meets the standard, wherein To allow for error thresholds, and write the up-to-standard results to closed loop records to support subsequent state assessment and life prediction.

Description

Standard support and hanger load compensation and monitoring operation management system Technical Field The invention relates to the technical field of constant force and variable force spring support and hanger, in particular to a standard support and hanger load compensation and monitoring operation and maintenance management system. Background Constant force, variable force spring hangers and hangers are used in power station equipment, boiler water heating and petrochemical pipeline systems to provide approximately constant support loads, and operating anomalies can introduce additional loads to high temperature and high pressure pipelines and equipment and raise safety risks. The existing most constant force and variable force spring support and hanger are only manually inspected and adjusted before delivery and installation, and an automatic on-line monitoring means is lacking after installation, so that the problems of untimely and large error exist in manual inspection. Under complex working conditions, the displacement, load and vibration of the constant force and variable force spring support and hanger have coupling changes, typical failure is often related to vibration fatigue, manufacturing defects and type-selection installation errors, and discrete inspection of a single index is difficult to reveal a risk evolution process in advance. On the other hand, on-site wiring and electricity taking are difficult, communication stability is insufficient, and continuous collection and unified analysis of multiple hanging points are difficult to land, so that quantitative basis and treatment suggestion for maintenance and adjustment cannot be formed. Disclosure of Invention The invention aims to provide a standard support and hanger load compensation and monitoring operation and maintenance management system so as to solve the problems in the background technology. In order to solve the technical problems, the invention provides the following technical scheme that the standard support and hanger load compensation and monitoring operation and maintenance management system comprises a field monitoring layer, a support and hanger state data acquisition layer and a support and hanger state data acquisition layer, wherein the field monitoring layer is used for acquiring displacement, load and vibration at a constant force and variable force spring support and hanger in real time; The network transmission layer is used for transmitting the support and hanger state data to the data aggregation unit through a hybrid communication network and realizing stable power supply and communication; and the platform application layer is used for storing, fusing, analyzing and evaluating the state data of the support and hanger, and outputting early warning information and load compensation suggestions. According to the technical scheme, the on-site monitoring layer comprises a collecting node, a displacement sensor, a strain gauge, a vibration sensor, a signal conditioning unit, a time synchronization unit and a low-power consumption power management unit, wherein the collecting node is used for bearing sensor access and data sampling, the displacement sensor is used for collecting support and hanger displacement, the strain gauge is used for collecting support and hanger load representation signals, the vibration sensor is used for collecting support and hanger mechanical vibration signals, the signal conditioning unit is used for amplifying and filtering sensor signals, the time synchronization unit is used for time alignment of multi-source data, and the low-power consumption power management unit is used for reducing power consumption of the collecting node and guaranteeing continuous operation; the network transmission layer comprises a LoRa wireless communication unit, a two-bus communication and power supply unit and a data aggregation unit, wherein the LoRa wireless communication unit is used for carrying out long-distance low-power-consumption data transmission on the difficult-to-wire nodes, the two-bus communication and power supply unit is used for intensively supplying power to the front-end sensor and completing data communication, and the data aggregation unit is used for aggregating uploading data of the LoRa and the two buses and forwarding the data to the platform application layer; The platform application layer comprises a data storage unit, a device management unit, a threshold early warning unit, an intelligent diagnosis and state evaluation unit, a visual display unit and a report output unit, wherein the data storage unit is used for storing historical monitoring data, the device management unit is used for managing a collection node and a communication link, the threshold early warning unit is used for triggering an alarm under abnormal working conditions, the intelligent diagnosis and state evaluation unit is used for carrying out health evaluation based on the historical data and fault charac