CN-121979183-A - Remote operation and maintenance and fault diagnosis method and system for numerical control machine tool

CN121979183ACN 121979183 ACN121979183 ACN 121979183ACN-121979183-A

Abstract

The invention discloses a remote operation and maintenance and fault diagnosis method and a system for a numerical control machine, and relates to the technical field of intelligent manufacturing.A sensing equipment module is firstly built at a deployment end of the numerical control machine, equipment multi-source metadata is collected, corresponding condition attribute labels are extracted, then an end-side maintenance node is built based on the labels, equipment fault primary screening is completed, and whether end-side file package uploading is generated or not is judged according to a primary screening result; and finally, deploying a dedicated cloud operation and maintenance space receiving end side file packet, determining a fault root cause and an operation and maintenance scheme through analysis on the cloud, generating a cloud file packet containing fault analysis information, and transmitting the cloud file packet to a numerical control machine tool to guide remote operation and maintenance operation. According to the invention, an end-cloud-coordinated fault diagnosis and remote operation and maintenance system of the numerical control machine tool is constructed, so that accurate sensing, layering processing and efficient remote solving of faults are realized, the intellectualization and high efficiency of operation and maintenance of the numerical control machine tool are improved, and cloud resource consumption is reduced.

Inventors

ZHANG CHENGBIN
WEI YILIN
SUN DONG

Assignees

青岛云科智能装备有限公司

Dates

Publication Date: 20260505
Application Date: 20260302

Claims (9)

1. The remote operation and maintenance and fault diagnosis method for the numerical control machine tool is characterized by comprising the following steps of: Step S1, a sensing equipment module is established at the position of a deployment end of the numerical control machine tool, multi-source metadata corresponding to the numerical control machine tool is obtained based on the sensing equipment module, and corresponding condition attribute labels are obtained according to multi-source metadata extraction; Step S2, creating an end side maintenance node of the numerical control machine tool based on the condition attribute tag, further performing primary fault screening on the corresponding numerical control machine tool, judging whether the end side maintenance node can finish operation and maintenance processing on the current fault, and selecting whether to generate a corresponding end side file packet for uploading; and step 3, deploying a cloud operation and maintenance space as a receiving object after uploading the end side file package, carrying out cloud analysis by the cloud operation and maintenance space based on the end side file package, creating a cloud file package containing fault analysis information, and sending the cloud file package to a numerical control machine tool for executing remote operation and maintenance.
2. The method for remote operation and maintenance and fault diagnosis of a numerically-controlled machine tool according to claim 1, wherein the process of establishing a sensing equipment module at the location of the deployment end of the numerically-controlled machine tool, obtaining multi-source metadata corresponding to the numerically-controlled machine tool based on the sensing equipment module, and obtaining corresponding condition attribute tags according to multi-source metadata extraction comprises: determining working parameters of the numerical control machine tool, and starting the numerical control machine tool to execute corresponding operation; setting a plurality of measurement points in a working area corresponding to the numerical control machine tool, configuring different types of data measurement assemblies at each measurement point, establishing a data intercommunication relation between the different types of data measurement assemblies, and further establishing a complete sensing equipment module; The sensing equipment module takes the data after each association completion time stamp as multi-source metadata, sets a historical data set, and obtains a data characteristic field corresponding to the historical data set, wherein each data characteristic field corresponds to a condition attribute tag which is used for representing the abnormal condition of the numerical control machine under one scene; Splitting the multi-source metadata into a plurality of fields to be matched, matching the fields to be matched with the data characteristic fields, and extracting all the data characteristic fields obtained by the multi-source metadata matching as corresponding condition attribute tags.
3. The method for remote operation and fault diagnosis of a numerically controlled machine tool according to claim 2, wherein creating an end-side service node of the numerically controlled machine tool based on the condition attribute tag, and further performing a fault primary screening on the corresponding numerically controlled machine tool comprises: Marking the measuring point positions associated with the condition attribute labels as maintenance points, building edge computing equipment and creating end side routes at each maintenance point, and taking the abnormal condition of the numerical control machine tool associated with the condition attribute labels as a to-be-maintained item; The method comprises the steps that an edge computing device inputs an item to be overhauled, an end side routing processing edge computing device is operated, an overhauling point is converted into an end side overhauling node, an overhauling address and an index address are stored in the end side overhauling node, and the overhauling address and the index address are respectively used for associating overhauling items under common abnormal conditions and unusual abnormal conditions; creating a maintenance large model based on historical maintenance data, wherein the maintenance large model comprises maintenance sub-models for processing a plurality of specific abnormal conditions, and each maintenance sub-model corresponds to one maintenance item; at an overhaul address, a first operation chain for connecting a plurality of overhaul sub-models under common abnormal conditions is established, at an index address, a second operation chain for storing a plurality of overhaul sub-models under unusual abnormal conditions is established, an index path from each overhaul sub-model in the first operation chain to the second operation chain is established, and each end-side overhaul node performs primary fault screening based on an overhaul item to be overhauled.
4. The remote operation and maintenance and fault diagnosis method for a numerical control machine tool according to claim 3, wherein a plurality of maintenance sub-models correspondingly connected with each other in the first operation chain are respectively provided with a broadcast queue, when an end-side maintenance node performs primary fault screening, a maintenance item obtained by the end-side maintenance node is compared and matched with each maintenance sub-model in sequence, matching information is stored in the broadcast queues, if the matching with one maintenance sub-model in the first operation chain is successful, diagnosis data of the corresponding maintenance sub-model is obtained, the diagnosis data and the matching information are associated, a corresponding maintenance information packet is generated, when the matching information of the same type exists in other end-side maintenance nodes, the broadcasting queues are used for broadcasting in the plurality of maintenance sub-models, the diagnosis data in the adapted maintenance information packet is obtained based on the matching information, and the diagnosis data in the adapted maintenance information packet is used as a diagnosis result of the corresponding end-side maintenance node for performing primary fault screening.
5. The method for remote operation and maintenance and fault diagnosis of a numerically controlled machine tool according to claim 4, wherein the process of determining whether the end-side service node can complete operation and maintenance processing of the current fault and selecting whether to generate a corresponding end-side file packet for uploading comprises: acquiring a data operation record of an index path between a first operation chain and a second operation chain corresponding to each end-side maintenance node, if the data operation record shows that a data request exists, judging that the end-side maintenance node cannot finish operation and maintenance processing on a current fault; When the end side maintenance node fails to complete operation and maintenance processing of the current fault, the first operation chain is used for executing an index path of a data request to the second operation chain as a file identifier, an end side file packet is created based on the file identifier, the data information of the current fault is stored by the end side file packet, and an uploading object of the end side file packet is set.
6. The method for remote operation and fault diagnosis of a numerically-controlled machine tool according to claim 5, wherein the process of deploying the cloud operation space as the receiving object after uploading the end-side file package comprises: Creating a cloud data space, and creating a plurality of operation points in the cloud data space, wherein each operation point is used for distributing a space region in the cloud data space and is used as an operation region of each operation point; Creating a space virtual address of each index address in the second operation chain in a cloud data space, screening and generating all index paths of the end-side file packet, and taking the space virtual address of the index address in the second operation chain corresponding to the index paths as an uploading address; And preparing uploading of the end-side file packages based on the uploading addresses, processing the cloud data space after all uploading addresses are set into a cloud operation and maintenance space, taking the cloud operation and maintenance space as a receiving object for uploading all the end-side file packages, and correspondingly uploading each end-side file package to an operation and maintenance area in the cloud operation and maintenance space based on the respective uploading addresses.
7. The method for remote operation and fault diagnosis of a numerically controlled machine tool according to claim 6, wherein the process of performing cloud analysis by the cloud operation space based on the end-side package and creating the cloud package containing the fault analysis information comprises: After the cloud operation and maintenance space receives the end side file package, unpacking and data verification of the end side file package are completed, invalid data are removed, a data set to be analyzed on the cloud is generated, and a cloud analysis model is configured at each operation and maintenance operation point of the cloud operation and maintenance space; Establishing data association between the cloud analysis model and the overhaul sub-model of the second operation chain, inputting a data set to be analyzed on the cloud into the cloud analysis model of the corresponding operation point, executing fault tracing analysis, further determining a fault root cause, a fault influence range and a cloud operation scheme, and integrating to generate fault analysis information.
8. The method for remote operation and fault diagnosis of a numerically controlled machine tool according to claim 7, wherein the process of sending a cloud file packet containing fault analysis information to the numerically controlled machine tool for performing remote operation and maintenance comprises: The fault analysis information is classified and packaged based on file identifications of the end side overhaul nodes, corresponding cloud file packages are created, feedback identifications corresponding to the file identifications of the end side file packages are configured for each cloud file package, and cloud operation and maintenance space is matched with corresponding communication addresses preset by a numerical control machine tool deployment end based on the feedback identifications; pushing the cloud file package to a corresponding numerical control machine tool through a preset end-cloud communication link, and after the numerical control machine tool receives the cloud file package, analyzing fault analysis information and executing corresponding remote operation and maintenance operation, wherein the cloud operation and maintenance space synchronously records the sending state of the cloud file package and operation and maintenance execution feedback data of the numerical control machine tool.
9. A remote operation and fault diagnosis system for a numerically controlled machine tool for implementing the remote operation and fault diagnosis method according to any one of claims 1 to 8, characterized in that the system comprises: The system comprises a numerical control machine tool deployment end module, a sensing equipment module, a state attribute label and a state attribute label, wherein the numerical control machine tool deployment end module is used for establishing the sensing equipment module at the position of the deployment end of the numerical control machine tool, acquiring multi-source metadata corresponding to the numerical control machine tool based on the sensing equipment module, and extracting and acquiring the corresponding state attribute label according to the multi-source metadata; The end side fault diagnosis module is used for creating an end side maintenance node of the numerical control machine tool based on the condition attribute label, further performing primary fault screening on the corresponding numerical control machine tool, judging whether the end side maintenance node can finish operation and maintenance processing of the current fault, and selecting whether to generate a corresponding end side file packet for uploading; the cloud processing operation and maintenance module is used for deploying a cloud operation and maintenance space as a receiving object after uploading an end side file packet, carrying out cloud analysis by the cloud operation and maintenance space based on the end side file packet, creating a cloud file packet containing fault analysis information, and sending the cloud file packet to the numerical control machine tool for executing remote operation and maintenance.

Description

Remote operation and maintenance and fault diagnosis method and system for numerical control machine tool Technical Field The invention relates to the technical field of intelligent manufacturing, in particular to a remote operation and maintenance and fault diagnosis method and system for a numerical control machine tool. Background The numerical control machine tool is high-end manufacturing core equipment, the operation stability of the numerical control machine tool directly influences the production efficiency and the processing precision, but the structure and the operation logic of the numerical control machine tool are gradually complex, faults are in multi-source and coupling characteristics, higher requirements are put on fault diagnosis and operation and maintenance, the traditional operation and maintenance mostly adopts a field manual investigation mode, the response is slow, the efficiency is low, and the complex faults are difficult to locate due to the limitation of manual experience. The existing remote operation and maintenance technology only realizes simple data uploading and displaying, lacks the capacity of pre-fault primary screening of the end side, causes cloud resource redundancy by the fact that a large amount of basic data is indiscriminately cloud, meanwhile, end cloud data interaction and fault analysis lack systematic design, fault monitoring is mostly single data acquisition, equipment abnormality cannot be comprehensively represented, fault maintenance does not have standardized nodes and model support, overall operation and maintenance efficiency is low, and industrial intelligent remote operation and maintenance requirements are difficult to adapt. Disclosure of Invention The invention aims to provide a remote operation and maintenance and fault diagnosis method and system for a numerical control machine tool, which are used for solving the problem of the defects in the background technology. In order to achieve the purpose, the invention provides the following technical scheme that the remote operation and maintenance and fault diagnosis method for the numerical control machine tool comprises the following steps: Step S1, a sensing equipment module is established at the position of a deployment end of the numerical control machine tool, multi-source metadata corresponding to the numerical control machine tool is obtained based on the sensing equipment module, and corresponding condition attribute labels are obtained according to multi-source metadata extraction; Step S2, creating an end side maintenance node of the numerical control machine tool based on the condition attribute tag, further performing primary fault screening on the corresponding numerical control machine tool, judging whether the end side maintenance node can finish operation and maintenance processing on the current fault, and selecting whether to generate a corresponding end side file packet for uploading; and step 3, deploying a cloud operation and maintenance space as a receiving object after uploading the end side file package, carrying out cloud analysis by the cloud operation and maintenance space based on the end side file package, creating a cloud file package containing fault analysis information, and sending the cloud file package to a numerical control machine tool for executing remote operation and maintenance. In a preferred embodiment, a sensing device module is established at a location of a deployment end of a numerically-controlled machine tool, multi-source metadata corresponding to the numerically-controlled machine tool is obtained based on the sensing device module, and the process of obtaining the corresponding condition attribute tag according to multi-source metadata extraction includes: determining working parameters of the numerical control machine tool, and starting the numerical control machine tool to execute corresponding operation; setting a plurality of measurement points in a working area corresponding to the numerical control machine tool, configuring different types of data measurement assemblies at each measurement point, establishing a data intercommunication relation between the different types of data measurement assemblies, and further establishing a complete sensing equipment module; The sensing equipment module takes the data after each association completion time stamp as multi-source metadata, sets a historical data set, and obtains a data characteristic field corresponding to the historical data set, wherein each data characteristic field corresponds to a condition attribute tag which is used for representing the abnormal condition of the numerical control machine under one scene; Splitting the multi-source metadata into a plurality of fields to be matched, matching the fields to be matched with the data characteristic fields, and extracting all the data characteristic fields obtained by the multi-source metadata matching as corresponding condition attribute t