CN116952423A

CN116952423A - Metal structure stress monitoring system, method, device, equipment and medium

Info

Publication number: CN116952423A
Application number: CN202311047532.6A
Authority: CN
Inventors: 许艳丽; 金和平; 王海羽
Original assignee: China Three Gorges Corp
Current assignee: China Three Gorges Corp
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2023-10-27

Abstract

The invention relates to the technical field of metal stress monitoring, and discloses a metal structure stress monitoring system, a method, a device, equipment and a medium.

Description

Metal structure stress monitoring system, method, device, equipment and medium

Technical Field

The invention relates to the field of metal stress monitoring, in particular to a metal structure stress monitoring system, a method, a device, equipment and a medium.

Background

For a long time, due to the lack of technical means, most of hydropower engineering monitors the running state of metal structure equipment, and still stays in a simple manual visual inspection stage, so that the judgment of the problems of equipment vibration, abnormal sound and the like depends on the personal technical capability of power station operators; and the problems of structural stress damage, fatigue damage and the like cannot be early-warned or alarmed. The structural stress of the equipment has problems, which can affect the normal operation of the equipment and even bring loss to lives and properties of people. Therefore, monitoring the structural stress change of metal structural equipment in the power station has important significance for ensuring the normal operation of the power station.

Currently, strain gages are generally disposed at predetermined positions of a member to be monitored, and stress changes at the predetermined positions are measured based on the strain gages. However, the strain gauge has a small volume and a limited measurement range, and can only measure the stress change of the position, and cannot monitor the stress change of the whole member to be monitored.

Disclosure of Invention

In view of the above, the present invention provides a stress monitoring system for a metal structure, so as to solve the problem that the existing stress monitoring method cannot monitor the stress variation of the whole member to be monitored.

In a first aspect, the present invention provides a metal structure stress monitoring system comprising: the system comprises a stress light emitting module, an image acquisition terminal and a software platform; the stress light-emitting module is covered on the surface of the metal member to be monitored and is used for converting stress change information of the metal member to be monitored into optical information; the image acquisition terminal is used for acquiring optical information and converting the optical information into stress variation image information; the software platform is in communication connection with the image acquisition terminal and is used for acquiring stress variation image information and analyzing the stress variation image information to obtain the stress variation information of the metal component to be monitored.

The invention provides a metal structure stress monitoring system which comprises a stress light emitting module, an image acquisition terminal and a software platform, wherein the stress light emitting module is used for converting stress change information of a metal member to be monitored into light information, the image acquisition terminal is used for acquiring the light information, converting the light information into stress change image information, sending the stress change image information to the software platform, and the software platform is used for receiving the stress change image information and analyzing the stress change image information to obtain the stress change information of the metal member to be detected. According to the system provided by the invention, the stress change condition of the metal component to be detected is monitored by using the stress light-emitting module, the stress change information of the metal component to be detected is converted into the light information, the light information is acquired through the image acquisition terminal to obtain the stress change image information of the metal component to be detected, the software platform analyzes the stress change image information of the metal component to be detected to obtain the stress change information of the component to be detected, and the stress light-emitting module can cover the surface of the component to be detected to monitor the whole stress change of the component to be detected, so that the stress change information of the component to be monitored can be determined based on the monitoring result of the stress light-emitting module, the large-area and long-distance monitoring of the component to be monitored is realized, and the problem that the whole stress monitoring of the component to be monitored cannot be carried out in the related technology is solved.

In an alternative embodiment, the system further comprises a display module for displaying stress variation information of the metal component to be monitored.

According to the method provided by the alternative embodiment, the stress change information of the metal component to be monitored is displayed through the display module, so that relevant personnel can analyze the stress change of the metal component to be monitored conveniently.

In an alternative embodiment, the software platform is further configured to perform fault judgment on the metal component according to the stress variation information, so as to obtain a fault judgment result.

According to the method provided by the alternative embodiment, the software platform can judge whether the metal component to be monitored breaks down or not based on the stress change information of the component to be monitored, so that the fault monitoring of the metal component to be monitored is realized, and the safety of the component to be monitored is ensured.

In an alternative implementation mode, the system further comprises an alarm module, and the software platform is further used for generating early warning information according to the fault judging result and sending the early warning information to the alarm module.

According to the method provided by the alternative embodiment, the software platform generates early warning information based on the fault judging result and sends the early warning information to the alarm module, so that the alarm module executes alarm operation based on the received alarm information, and reminds related personnel to reject the fault based on the discovery of the fault of the member to be monitored.

In a second aspect, an embodiment of the present invention provides a method for monitoring stress of a metal structure, which is applied to a system for monitoring stress of a metal structure in the first aspect, and includes: acquiring stress variation image information of the metal member to be monitored, wherein the stress variation image information is acquired by an image acquisition terminal through acquisition of an optical signal emitted by a stress light emitting module covered on the surface of the metal member to be monitored; analyzing the stress change image information of the metal component to be monitored by using a preset image segmentation algorithm to obtain the stress change information of the metal component to be monitored.

According to the method for monitoring the stress of the metal structure, provided by the embodiment of the invention, the software platform analyzes the stress image change information obtained by collecting the optical signals emitted by the stress light emitting module covered on the surface of the metal component to be monitored through the image acquisition terminal, so that the stress change information of the component to be monitored is obtained.

In an alternative embodiment, the system further comprises a display module, and after obtaining the stress variation information of the metal member to be monitored, the method further comprises: and sending the stress change information of the metal member to be monitored to a display module, so that the display module displays the stress change information of the metal member to be monitored.

In an alternative embodiment, after obtaining the stress variation information of the metal member to be monitored, the method further comprises: acquiring preset alarm threshold information; comparing the stress change information of the metal member to be monitored with preset alarm threshold information to obtain a comparison result; and determining to-be-monitored metal components to perform fault judgment based on the comparison result to obtain a fault judgment result.

In an alternative embodiment, the system further includes an alarm module, and based on the comparison result, determines that the metal member to be monitored performs fault judgment, and after obtaining the fault judgment result, the method further includes: when the fault of the metal component to be monitored is determined based on the fault judgment result, generating early warning information of the metal component to be monitored; and sending the early warning information of the metal component to be monitored to the alarm module, so that the alarm module executes alarm operation based on the early warning information.

In an alternative embodiment, the stress variation information of the metal member to be monitored is sent to the display module, so that the display module displays the stress variation information of the metal member to be monitored, and the method includes: generating stress variation graph information of the metal member to be monitored according to the stress variation information of the metal member to be monitored; and sending the stress change graph information to a display module, so that the display module displays the stress change graph information.

In an alternative embodiment, the method further comprises: receiving a query request of stress change information of the metal component to be monitored; and sending stress variation information of the metal component to be monitored to a request end based on the query request.

In a third aspect, the present invention provides a metal structure stress monitoring device, applied to a software platform in a metal structure stress monitoring system of the first aspect, the device comprising: the first acquisition module is used for acquiring stress variation image information of the metal component to be monitored, and the stress variation image information is acquired by an image acquisition terminal from an optical signal emitted by a stress light emitting module covered on the surface of the metal component to be monitored; the analysis module is used for analyzing the stress variation image information of the metal component to be monitored by using a preset image segmentation algorithm to obtain the stress variation information of the metal component to be monitored.

In an alternative embodiment, the system further comprises a display module, the apparatus further comprising: and the first sending module is used for sending the stress change information of the metal component to be monitored to the display module, so that the display module displays the stress change information of the metal component to be monitored.

In a fourth aspect, the present invention provides a computer device comprising: the device comprises a memory and a processor, wherein the memory and the processor are in communication connection, the memory stores computer instructions, and the processor executes the computer instructions, so that the metal structure stress method of the first aspect or any corresponding embodiment is executed.

In a fourth aspect, the present invention provides a computer readable storage medium having stored thereon computer instructions for causing a computer to perform the metal structure stressing method of the first aspect or any one of its corresponding embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of a metal structure stress monitoring system according to an embodiment of the present invention;

FIG. 2 is a flow chart of a method for monitoring stress of a metal structure according to an embodiment of the invention;

FIG. 3 is a flow chart of another method for monitoring stress of a metal structure according to an embodiment of the invention;

FIG. 4 is a flow chart of yet another method for monitoring stress of a metal structure according to an embodiment of the present invention;

FIG. 5 is a flow chart illustrating a method for monitoring stress of a metal structure according to an embodiment of the present invention;

FIG. 6 is a specific schematic diagram of a metal structure stress monitoring system according to an embodiment of the present invention;

FIG. 7 is a block diagram of a metal structure stress monitoring device according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a hardware structure of a computer device according to an embodiment of the present invention.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The structural stress change of the metal structural equipment in the power station is monitored, so that the metal structural stress monitoring system has important significance for ensuring the normal operation of the power station. The information of the stress light-emitting module is acquired through image recognition, all-weather and remote monitoring of the stress change of the component is realized, the manpower is greatly reduced, and reliable guarantee is provided for the operation of the gate.

In this embodiment, a metal structure stress monitoring system is provided, fig. 1 is a block diagram of a metal structure stress monitoring system according to an embodiment of the present application, and as shown in fig. 1, the system includes:

a stress light emitting module 101, an image acquisition terminal 102 and a software platform 103;

the stress light emitting module 101 is covered on the surface of the metal member to be monitored, and is used for converting stress change information of the metal member to be monitored into optical information.

Illustratively, the stress light-emitting module 101 may include, but is not limited to, a stress light-emitting material, which may be coated on a surface of a metal member to form a light-sensitive surface, and the stress light-emitting material is generally an inorganic metal compound, and when the stress of the metal member changes, the light-sensitive surface formed by the stress light-emitting material generates a light effect to reflect different stress changes of the metal member, so as to convert mechanical changes generated by deformation of the metal member into light changes. The metal member to be monitored can be any metal member or any metal member required to be subjected to structural stress monitoring, and in the embodiment of the application, the metal member to be monitored can comprise, but is not limited to, metal members such as radial gate arms, main beams, side beams, panels and the like in a hydropower station.

The image acquisition terminal 102 is used for acquiring optical information and converting the optical information into stress variation image information.

For example, the image acquisition terminal 102 may be installed in a space where a member to be monitored is located, and acquire light information emitted by a stress light emitting module covered on a surface of the member to be monitored. In the embodiment of the application, the image acquisition terminal can comprise an image acquisition module, an image storage module and a data forwarding module, wherein the image acquisition module is responsible for acquiring the optical signals sent by the stress light emitting module 101 in the monitoring range to generate stress variation image information, and after the acquired stress variation image data is preprocessed by the micro-processing module, the image is directly stored in situ by the image storage module; on the other hand, the collected stress change image information can be sent to the software platform by a data forwarding module in a WIFI, 4G network or wired mode.

The software platform 103 is in communication connection with the image acquisition terminal 102 and is used for acquiring stress variation image information and analyzing the stress variation image information to obtain the stress variation information of the metal component to be monitored.

Illustratively, in the embodiment of the present application, after the stress variation image information is obtained, the software platform 103 performs image reading, edge monitoring, feature extraction, data enhancement, object detection and segmentation, and other processes and enhancements on the stress variation image information, so as to reduce image noise, enhance contrast, and improve image quality. The software platform 103 adopts a preset image segmentation algorithm to extract stress variation information in the stress variation image, and monitors the metal component to be monitored based on the extracted stress variation image information. The software platform 103 can be deployed at a computer end of a user, and in order to improve the stability, safety, expansibility and adaptability of the system, a software platform system adopts a Three-layer structure (Three-layer) design concept to define an informationized system function list and function layers, hashes functions in the layers, and forms one or more subsystems according to the functions and application characteristics. The ability to deeply mine and release software designs and adaptability to complex systems.

According to the stress monitoring system for the metal structure, provided by the embodiment of the application, the stress change condition of the metal component to be detected is monitored by using the stress light emitting module, the stress change information of the metal component to be detected is converted into the light information, the light information is acquired through the image acquisition terminal to obtain the stress change image information of the metal component to be detected, the stress change image information of the metal component to be detected is analyzed by the software platform to obtain the stress change information of the component to be detected, and the stress light emitting module can cover the surface of the component to be detected to realize the monitoring of the whole stress change of the component to be detected.

In some alternative embodiments, the system further comprises a display module for displaying stress variation information of the metal component to be monitored.

Illustratively, the display module may include, but is not limited to, a display screen, through which stress change information of the metal member to be monitored is displayed, so that relevant personnel can intuitively observe stress change conditions of the construction to be monitored.

In some alternative embodiments, the software platform is further configured to perform fault judgment on the metal component according to the stress variation information, so as to obtain a fault judgment result.

In an exemplary embodiment of the present application, the software platform may determine an absolute value of stress or a rate of change of stress of the metal member to be monitored based on the stress change information of the metal member to be monitored, and may determine that the metal member to be monitored has a fault when the absolute value of stress or the rate of change of stress exceeds a normal range.

In some optional embodiments, the system further comprises an alarm module, and the software platform is further configured to generate early warning information according to the fault determination result, and send the early warning information to the alarm module.

The method includes the steps that when a fault judgment result shows that a metal component to be monitored breaks down, early warning information of the metal component to be monitored is generated, and the early warning information is sent to an alarm module, so that the alarm module alarms based on the early warning information, and relevant personnel are reminded of finding out the fault in time and removing the fault.

In accordance with an embodiment of the present application, a metal structure stress monitoring method embodiment is provided, it being noted that the steps illustrated in the flowchart of the figures may be performed in a computer system, such as a set of computer executable instructions, and, although a logical sequence is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in a different order than that illustrated herein.

In this embodiment, a method for monitoring stress of a metal structure is provided, which may be used for a software platform in the foregoing metal structure stress monitoring system, and fig. 2 is a block diagram of the metal structure stress monitoring system according to an embodiment of the present application, and as shown in fig. 2, the system includes:

step S201, stress change image information of the metal member to be monitored is obtained, and the stress change image information is obtained by collecting light signals emitted by a stress light emitting module covered on the surface of the metal member to be monitored through an image collecting terminal. For example, reference is made to the description of the corresponding embodiment of the metal structure stress monitoring system of fig. 1, and the detailed description is omitted here.

Step S202, analyzing stress variation image information of the metal component to be monitored by using a preset image segmentation algorithm to obtain the stress variation information of the metal component to be monitored.

Exemplary, in the embodiment of the present application, the preset image segmentation algorithm may include, but is not limited to, a semantic segmentation algorithm, and details refer to the related descriptions of the corresponding embodiment of the metal structure stress monitoring system of fig. 1, which are not described herein.

According to the metal structure stress monitoring method, the software platform analyzes stress image change information obtained by collecting the optical signals emitted by the stress light emitting module covered on the surface of the metal member to be monitored through the image collecting terminal, so that stress change information of the member to be monitored is obtained, and because the stress light emitting module can be covered on the surface of the member to be monitored, the monitoring of the whole stress change of the member to be monitored is realized, the software platform can determine the stress change information of the member to be monitored based on the monitoring result of the stress light emitting module, the large-area and long-distance monitoring of the member to be monitored is realized, and the problem that the whole stress of the member to be monitored cannot be monitored in the related technology is solved.

In this embodiment, a method for monitoring stress of a metal structure is provided, which may be used in a software platform in the foregoing metal structure stress monitoring system, and fig. 3 is a flowchart of a method for monitoring stress of a metal structure according to an embodiment of the present invention, as shown in fig. 3, where the flowchart includes the following steps:

step S301, stress variation image information of the metal member to be monitored is obtained, and the stress variation image information is obtained by collecting optical signals emitted by a stress light emitting module covered on the surface of the metal member to be monitored through an image collecting terminal. Please refer to step S201 in the embodiment shown in fig. 1 in detail, which is not described herein.

Step S302, analyzing the stress variation image information of the metal component to be monitored by using a preset image segmentation algorithm to obtain the stress variation information of the metal component to be monitored. Please refer to step S202 in the embodiment shown in fig. 1 in detail, which is not described herein.

The system further includes a display module, and after the step S302, the method further includes:

step S303, the stress variation information of the metal component to be monitored is sent to the display module, so that the display module displays the stress variation information of the metal component to be monitored.

By means of the display module, stress change information is displayed, and relevant personnel can observe and analyze the stress change information intuitively.

Specifically, the step S303 includes:

and generating stress variation graph information of the metal member to be monitored according to the stress variation information of the metal member to be monitored.

The stress variation graph information may include, but is not limited to, a stress variation trend graph, a transverse comparison analysis graph, a longitudinal comparison analysis graph, and graph information such as a multi-day stress variation curve comparison graph of the member to be monitored.

And sending the stress change graph information to a display module, so that the display module displays the stress change graph information.

The stress change graph information is displayed by the display module, so that the stress change information of the member to be monitored by related personnel can be intuitively observed and analyzed.

In this embodiment, a method for monitoring stress of a metal structure is provided, which may be used for a software platform in the foregoing metal structure stress monitoring system, and fig. 4 is a flowchart of a method for monitoring stress of a metal structure according to an embodiment of the present application, as shown in fig. 4, where the flowchart includes the following steps:

step S401, stress variation image information of the metal member to be monitored is obtained, and the stress variation image information is obtained by collecting optical signals emitted by a stress light emitting module covered on the surface of the metal member to be monitored through an image collecting terminal. Please refer to step S201 in the embodiment shown in fig. 1 in detail, which is not described herein.

Step S402, analyzing the stress variation image information of the metal component to be monitored by using a preset image segmentation algorithm to obtain the stress variation information of the metal component to be monitored. Please refer to step S202 in the embodiment shown in fig. 1 in detail, which is not described herein.

The method further comprises the steps of:

step S403, obtaining preset alarm threshold information. For example, in the embodiment of the present application, the preset alarm threshold information may be a range information of the stress variation value or a range information of the stress variation rate.

And S404, comparing the stress change information of the metal member to be monitored with preset alarm threshold information to obtain a comparison result.

The stress change information of the metal member to be detected is compared with the preset alarm threshold information to obtain a comparison result, and whether the stress change of the metal member to be detected exceeds a threshold can be determined based on the comparison result.

And step S405, determining to-be-monitored metal components to perform fault judgment based on the comparison result, and obtaining a fault judgment result.

Illustratively, in the embodiment of the present application, when the stress variation of the metal member to be detected exceeds the threshold value, it may be determined that the metal member to be monitored has failed.

The system further includes an alarm module, and after the step S405, the method further includes:

and when the fault of the metal component to be monitored is determined based on the fault judgment result, generating early warning information of the metal component to be monitored.

For example, when a metal member to be monitored has a fault, the software platform generates early warning information corresponding to the metal member to be monitored.

And sending the early warning information of the metal component to be monitored to the alarm module, so that the alarm module executes alarm operation based on the early warning information.

In an exemplary embodiment of the present application, the alarm module may be a functional module that is disposed in the mobile terminal and can implement an alarm. The early warning information can be sent to the mobile phone of the user in the form of short messages, so that the warning is realized, and the user is prompted to find out faults in time and remove the faults.

In this embodiment, a method for monitoring stress of a metal structure is provided, which may be used in a software platform in the foregoing metal structure stress monitoring system, and fig. 5 is a flowchart of a method for monitoring stress of a metal structure according to an embodiment of the present invention, as shown in fig. 5, where the flowchart includes the following steps:

step S501, stress change image information of a metal member to be monitored is obtained, and the stress change image information is obtained by collecting light signals emitted by a stress light emitting module covered on the surface of the metal member to be monitored through an image collecting terminal. Please refer to step S201 in the embodiment shown in fig. 1 in detail, which is not described herein.

Step S502, analyzing the stress variation image information of the metal component to be monitored by using a preset image segmentation algorithm to obtain the stress variation information of the metal component to be monitored. Please refer to step S202 in the embodiment shown in fig. 1 in detail, which is not described herein.

In step S503, stress variation information of the metal member to be monitored is stored in a preset database.

In an exemplary embodiment of the present application, stress variation information of a metal member to be monitored is stored in a preset database, so that the stress variation information is convenient to manage and subsequently inquire.

Step S504, a query request of stress change information of the metal component to be monitored is received.

The query request for stress variation information of the metal member to be monitored may be a query request sent by any requesting end.

Step S505, based on the query request, transmits stress variation information of the metal member to be monitored to the requesting end.

For example, the software platform may query the preset database for corresponding stress variation information based on the query request, and send the relevant information to the requesting end.

According to the metal structure stress monitoring method provided by the embodiment of the application, the software platform analyzes stress image change information obtained by collecting the optical signals emitted by the stress light emitting module covered on the surface of the metal member to be monitored through the image acquisition terminal, so that the stress change information of the member to be monitored is obtained.

The following describes a metal structure stress monitoring system according to an embodiment of the present invention.

Examples:

the metal structure stress monitoring system can monitor the parts such as the support arm, the main beam, the side beam, the panel and the like of the radial gate of the hydropower station. The stress luminescence sensor data information is acquired through image recognition, all-weather and remote monitoring of component stress change is realized, manpower is greatly reduced, and reliable guarantee is provided for operation of the gate.

1. System composition

The system consists of a stress luminescence sensor, an image acquisition terminal and a software background. The stress luminescence sensor is used for reflecting the stress change of the component in real time and converting the mechanical signal into an optical signal. The image acquisition terminal is used for receiving the optical signals and converting the optical signals into image signals. The software background is used for realizing real-time monitoring and displaying of the stress change of the component and deep mining of data, and realizing intelligent management and control of the stress abnormality of the metal structure.

The system utilizes a wireless stress luminescence sensor to convert mechanical signals into optical signals, and captures optical information through a camera and converts the optical information into image information. These image information are collected and transmitted to an image collection terminal. Then, the processed image information is transmitted to the software background through communication modes such as wire, 4G, WIFI and the like. In the background of software, an image segmentation algorithm and recognition (deep V3+) are used for enhancing the segmentation function of objects and backgrounds in a real scene, helping a system to segment an interested region in an image and realizing flexible image processing. The system topology is shown in fig. 6. In fig. 6, the stress luminescence sensor is equivalent to a stress luminescence module, and the camera is used for collecting an optical signal sent by the stress luminescence module and sending the optical signal to the image collection terminal, and the image collection terminal stores and forwards image information collected by the camera.

2. System hardware platform

(1) Stress light-emitting module

The stress light-emitting module is designed aiming at the problem of stress change of metal structure parts such as arc gate support arms, main beams, side beams, panels and the like. The stress luminescent material is coated on the surface of the radial gate to form a photosensitive surface, and the conversion from mechanical energy to light energy is realized through the luminescent effect generated by the inorganic metal compound under the action of external force.

(2) Image acquisition terminal

The image acquisition terminal is installed on site, captures optical signals sent by the stress light emitting sensors by using the camera and transmits the optical signals to the image acquisition terminal, and the image acquisition terminal is responsible for receiving, storing, processing and forwarding image monitoring signals sent by each wireless stress light emitting sensor in a certain area. The image acquisition terminal comprises an image acquisition module, an image storage module and a data forwarding module. The image acquisition module is responsible for acquiring the optical signals of the stress light-emitting module in the monitoring range. After the image data are collected, the image data are preprocessed through the micro-processing module, and on one hand, the image is directly stored in situ through the image storage module; on the other hand, the collected real-time signals can be sent to a server for storage in a WIFI, 4G network or wired mode through a data forwarding module. The real-time acquisition of the stress change condition of the radial gate member and the conversion of image signals are realized.

3. System software platform

The metal structure stress monitoring system software is deployed at the user computer end. The system adopts a B/S network architecture, and is used by a user through an IE browser (the version above IE 8). The system functions have expandability, compatibility and inheritance.

In order to improve the stability, safety, expansibility and adaptability of the system, a software system adopts the design idea of a Three-layer structure (Three Ties), a function list and a function hierarchy of the informationized system are defined, functions are hashed in the hierarchy, and one or more subsystems are formed according to the characteristics of the functions and the application. The ability to deeply mine and release software designs and adaptability to complex systems.

The presentation layer realizes the functions of data and image display, statistical inquiry, abnormal condition alarm and the like, and realizes the man-machine interaction between a user and a website end. The service layer encapsulates business rules, data access and the like of the client side in the traditional mode into business objects to be deployed on the application server, is independently responsible for calculation tasks of business logic, realizes data analysis, processing, abnormal temperature rise diagnosis and the like, and is beneficial to reducing the burden and maintenance cost of the presentation layer website side and the database server side. The data layer provides connection with a background database and all read-write operations, including image data, system resource parameters, equipment running states/parameters and the like.

4. System function

The embodiment of the application provides a metal structure stress monitoring system, which aims at the monitoring problems of the support arms, the main beams, the side beams, the panels and other parts of the radial gate of a hydropower station, develops the functions of intelligent stress monitoring, early warning, auxiliary analysis and the like of metal components, and provides support for forming a complete solution of early fault pre-judging and operation and maintenance intelligent decision of the radial gate of the hydropower station. The detailed functions are described as follows:

(1) Image edge computation

The image edge calculation module performs a series of processing and enhancement such as image reading, color space conversion, denoising, edge detection, feature extraction, data enhancement, object detection and segmentation through preprocessing, so as to reduce noise, enhance contrast and improve image quality.

(2) Real-time monitoring of component stress

The system sets an automatic acquisition task, acquires image information at fixed time according to a set sampling frequency, analyzes a data packet transmitted by an image acquisition terminal at a background, extracts the image information by using an image segmentation algorithm deep V < 3+ >, draws a component stress real-time curve, and monitors a hydropower station radial gate metal component on line.

(3) Abnormality alert

The stress alarm threshold value can be preset, when the absolute value of the stress or the change rate of the stress exceeds the upper limit, and early warning occurs, the system automatically sends complete early warning information to a responsible person mobile phone at the first time through a short message module, so that faults are found and removed in time, and the emergency response processing capacity is improved. Meanwhile, the working state (electric quantity) of the image acquisition terminal is monitored. The information sent by the short message module is sent to a specific mobile phone through a public communication base station, and the core functions of control and decision are realized through a short message alarm module in upper computer software.

(4) Early warning information query statistics

The system stores the early warning information to the server, supports searching and inquiring statistics of areas, voltage levels, equipment, early warning grades, alarm types and set time intervals (specific time periods/day/week/month/quarter), provides various display modes such as a histogram, a pie chart and the like, is convenient for a user to check, and can be exported to an EXCEL form.

(5) Historical data query

The system stores real-time stress monitoring data into a database server, a computer manages the data and stores the data into the database at regular time, corresponding points in the real-time database are recorded according to a period set by a user to form a historical database, the display of minute, hour and day curves can be provided, report printing is supported, retrieval and historical data query in equipment and set time intervals (specific time periods/day/week/month/quarter) are supported, and various display modes such as lists, curves and the like are provided, so that the user can conveniently check.

(6) Image recognition analysis function

According to the stress luminescence acquisition data, a trend graph is generated aiming at the stress change of each component, related position data and the like are associated, and transverse comparison analysis and longitudinal comparison analysis are carried out. Including multiple flexible modes such as multi-day curve comparison, stress comparison of the same component, annual curve, lunar curve and the like.

(7) Basic information management

Setting up perfect system parameters, building a stress monitoring and management network, and managing various equipment files such as a wireless stress light emitting sensor, an image acquisition terminal and the like; the remote parameter issuing comprises light signal calibration, various early warning values, time, light signal acquisition frequency, signal receiving threshold, image acquisition frequency and the like, so that management of an early warning model, a custom report and a workbench are realized. The system can process, display, print, store, alert, web publish, etc. the data.

The embodiment also provides a metal structure stress monitoring device, which is used for realizing the above embodiment and the preferred implementation manner, and the description is omitted herein. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. While the means described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.

The embodiment provides a metal structure stress monitoring device, which is applied to the above-mentioned structure stress monitoring device as shown in fig. 7, and includes:

the first acquisition module 701 acquires stress variation image information of the metal member to be monitored, and the stress variation image information is acquired by an image acquisition terminal through acquisition of an optical signal emitted by a stress light emitting module covered on the surface of the metal member to be monitored.

The analyzing module 702 is configured to analyze the stress variation image information of the metal member to be monitored by using a preset image segmentation algorithm, so as to obtain the stress variation information of the metal member to be monitored.

In some alternative embodiments, the system further comprises a display module, the apparatus further comprising:

and the first sending module is used for sending the stress change information of the metal component to be monitored to the display module, so that the display module displays the stress change information of the metal component to be monitored.

In some alternative embodiments, the apparatus further comprises:

the second acquisition module is used for acquiring preset alarm threshold information.

And the comparison module is used for comparing the stress change information of the metal member to be monitored with the preset alarm threshold information to obtain a comparison result.

And the judging module is used for determining to-be-monitored metal components to perform fault judgment based on the comparison result to obtain a fault judgment result.

In some alternative embodiments, the system further comprises an alarm module, the apparatus further comprising:

and the generation module is used for generating early warning information of the metal component to be monitored when the metal component to be monitored is determined to have faults based on the fault judgment result.

And the second sending module is used for sending the early warning information of the metal component to be monitored to the alarm module, so that the alarm module executes alarm operation based on the early warning information.

In some alternative embodiments, the first transmitting module includes:

and the generating unit is used for generating stress change diagram information of the metal member to be monitored according to the stress change information of the metal member to be monitored.

And the display unit is used for sending the stress change graph information to the display module so that the display module displays the stress change graph information.

In some alternative embodiments, the apparatus further comprises:

and the storage module is used for storing the stress change information of the metal component to be monitored into a preset database.

In some alternative embodiments, the apparatus includes:

the receiving module is used for receiving a query request of stress change information of the metal component to be monitored;

and the third sending module is used for sending the stress change information of the metal component to be monitored to the request end based on the query request.

Further functional descriptions of the above respective modules and units are the same as those of the above corresponding embodiments, and are not repeated here.

The metal structure stress monitoring device in this embodiment is presented in the form of a functional unit, where the unit refers to an ASIC (Application Specific Integrated Circuit ) circuit, a processor and a memory executing one or more software or fixed programs, and/or other devices that can provide the above-described functions.

The embodiment of the invention also provides computer equipment, which is provided with the metal structure stress monitoring device shown in the figure 7.

Referring to fig. 8, fig. 8 is a schematic structural diagram of a computer device according to an alternative embodiment of the present invention, as shown in fig. 8, the computer device includes: one or more processors 10, memory 20, and interfaces for connecting the various components, including high-speed interfaces and low-speed interfaces. The various components are communicatively coupled to each other using different buses and may be mounted on a common motherboard or in other manners as desired. The processor may process instructions executing within the computer device, including instructions stored in or on memory to display graphical information of the GUI on an external input/output device, such as a display device coupled to the interface. In some alternative embodiments, multiple processors and/or multiple buses may be used, if desired, along with multiple memories and multiple memories. Also, multiple computer devices may be connected, each providing a portion of the necessary operations (e.g., as a server array, a set of blade servers, or a multiprocessor system). One processor 10 is illustrated in fig. 8.

The processor 10 may be a central processor, a network processor, or a combination thereof. The processor 10 may further include a hardware chip, among others. The hardware chip may be an application specific integrated circuit, a programmable logic device, or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general-purpose array logic, or any combination thereof.

Wherein the memory 20 stores instructions executable by the at least one processor 10 to cause the at least one processor 10 to perform a method for implementing the embodiments described above.

The memory 20 may include a storage program area that may store an operating system, at least one application program required for functions, and a storage data area; the storage data area may store data created according to the use of the computer device, etc. In addition, the memory 20 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage device. In some alternative embodiments, memory 20 may optionally include memory located remotely from processor 10, which may be connected to the computer device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

Memory 20 may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as flash memory, hard disk, or solid state disk; the memory 20 may also comprise a combination of the above types of memories.

The computer device also includes a communication interface 30 for the computer device to communicate with other devices or communication networks.

The embodiments of the present invention also provide a computer readable storage medium, and the method according to the embodiments of the present invention described above may be implemented in hardware, firmware, or as a computer code which may be recorded on a storage medium, or as original stored in a remote storage medium or a non-transitory machine readable storage medium downloaded through a network and to be stored in a local storage medium, so that the method described herein may be stored on such software process on a storage medium using a general purpose computer, a special purpose processor, or programmable or special purpose hardware. The storage medium can be a magnetic disk, an optical disk, a read-only memory, a random access memory, a flash memory, a hard disk, a solid state disk or the like; further, the storage medium may also comprise a combination of memories of the kind described above. It will be appreciated that a computer, processor, microprocessor controller or programmable hardware includes a storage element that can store or receive software or computer code that, when accessed and executed by the computer, processor or hardware, implements the methods illustrated by the above embodiments.

Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.

Claims

1. A metal structure stress monitoring system, the system comprising:

the system comprises a stress light emitting module, an image acquisition terminal and a software platform;

the stress light-emitting module is covered on the surface of the metal member to be monitored and is used for converting stress change information of the metal member to be monitored into optical information;

the image acquisition terminal is used for acquiring the optical information and converting the optical information into stress variation image information;

the software platform is in communication connection with the image acquisition terminal and is used for acquiring the stress change image information and analyzing the stress change image information to obtain the stress change information of the metal component to be monitored.

2. The system of claim 1, further comprising a display module for displaying stress variation information of the metal component to be monitored.

3. The system of claim 1, wherein the software platform is further configured to perform fault determination on the metal component according to the stress variation information to obtain a fault determination result.

4. The system of claim 3, further comprising an alarm module, wherein the software platform is further configured to generate early warning information according to the fault determination result, and send the early warning information to the alarm module.

5. A method of monitoring stress in a metal structure, for use in a software platform in a system for monitoring stress in a metal structure according to claim 1, the method comprising:

acquiring stress variation image information of a metal member to be monitored, wherein the stress variation image information is acquired by an image acquisition terminal through acquisition of an optical signal emitted by a stress light emitting module covered on the surface of the metal member to be monitored;

and analyzing the stress change image information of the metal component to be monitored by using a preset image segmentation algorithm to obtain the stress change information of the metal component to be monitored.

6. The method of claim 5, wherein the system further comprises a display module, and wherein after obtaining the stress variation information of the metal component to be monitored, the method further comprises:

And sending the stress change information of the metal member to be monitored to a display module, so that the display module displays the stress change information of the metal member to be monitored.

7. The method of claim 5, wherein after obtaining the stress variation information of the metal component to be monitored, the method further comprises:

acquiring preset alarm threshold information;

comparing the stress change information of the metal component to be monitored with the preset alarm threshold information to obtain a comparison result;

and determining that the metal component to be monitored is subjected to fault judgment based on the comparison result, and obtaining a fault judgment result.

8. The method of claim 7, wherein the system further comprises an alarm module, wherein determining the fault determination for the metal component to be monitored based on the comparison results, and wherein after obtaining the fault determination results, the method further comprises:

when the fault of the metal component to be monitored is determined based on the fault judgment result, generating early warning information of the metal component to be monitored;

and sending the early warning information of the metal component to be monitored to an alarm module, so that the alarm module executes alarm operation based on the early warning information.

9. The method of claim 6, wherein transmitting the stress variation information of the metal component to be monitored to a display module, such that the display module displays the stress variation information of the metal component to be monitored, comprises:

generating stress variation graph information of the metal member to be monitored according to the stress variation information of the metal member to be monitored;

and sending the stress variation graph information to the display module, so that the display module displays the stress variation graph information.

10. The method of claim 5, wherein the method further comprises:

and storing the stress change information of the metal component to be monitored into a preset database.

11. The method according to claim 10, wherein the method further comprises:

receiving a query request of stress change information of the metal component to be monitored;

and transmitting the stress change information of the metal component to be monitored to a request end based on the query request.

12. A metal structure stress monitoring device for use in a metal structure stress monitoring system according to claim 1, the device comprising:

The first acquisition module is used for acquiring stress variation image information of the metal member to be monitored, wherein the stress variation image information is acquired by an image acquisition terminal from an optical signal emitted by a stress light emitting module covered on the surface of the metal member to be monitored;

and the analysis module is used for analyzing the stress change image information of the metal component to be monitored by utilizing a preset image segmentation algorithm to obtain the stress change information of the metal component to be monitored.

13. The apparatus of claim 12, wherein the system further comprises a display module, the apparatus further comprising:

14. A computer device, comprising:

a memory and a processor in communication with each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the method of metal structure stress monitoring of any of claims 5 to 11.

15. A computer-readable storage medium having stored thereon computer instructions for causing a computer to perform the method of metal structure stress monitoring according to any one of claims 5 to 11.