CN101699360A - Method and system for remote diagnosis of numerical control machine tool - Google Patents

Method and system for remote diagnosis of numerical control machine tool Download PDF

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Publication number
CN101699360A
CN101699360A CN200910235951A CN200910235951A CN101699360A CN 101699360 A CN101699360 A CN 101699360A CN 200910235951 A CN200910235951 A CN 200910235951A CN 200910235951 A CN200910235951 A CN 200910235951A CN 101699360 A CN101699360 A CN 101699360A
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client computer
lathe
server
failure operation
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CN101699360B (en
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杜林�
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Caxa Technology Co Ltd
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北京数码大方科技有限公司
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Abstract

The invention provides a method and a system for remote diagnosis of a numerical control machine tool. The method comprises the following steps: a server acquires the operating parameters of a local machine tool, and sends fault operating parameters to a client when the local machine tool has a fault; the client outputs the fault operating parameters, receives fault diagnosis results from remote experts, and generates control instructions according to the fault diagnosis results; and the client sends the control instructions to the server. The invention is suitable for various types of numerical control machine tools and is convenient for machine tool manufacturers to flexibly customize respective service systems, thereby extending the service range, enriching the service content and improving the service quality, thus the invention overcomes the defects that in the related technology, the method for remote diagnosis is only suitable for specific types of numerical control equipment and is not convenient for machine tool manufacturers to customize respective service systems, thereby causing the problems of limited service range and service content and poor service quality.

Description

The remote diagnosis method and the system that are used for numerically-controlled machine
Technical field
The present invention relates to numerical control field, in particular to a kind of remote diagnosis method and system that is used for numerically-controlled machine.
Background technology
Along with popularizing of numerically-controlled machine, the user is more and more higher to the requirement of numerically-controlled machine, not only require it to have the high automation performance, also require simultaneously it to have high reliability and keep very high work efficiency, the significant consideration when this high request makes Remote Diagnosis System become the user to choose the numerically-controlled machine product.For realizing remote diagnosis, lathe manufacturer must have at fingertips to the working condition of its machine tool product, and then the variety of issue that the user exists in using the lathe process is diagnosed accurately, proposes suitable processing scheme in time; The lathe that does not break down is made accurately prediction, rationally arrange maintenance schedule, reduce factor controlled machine catastrophic failure and the economic loss that causes, improve the after sale service quality.The application of lathe tele-diagnostic device makes remote diagnosis become possibility.Remote Diagnosis System both can make lathe manufacturer be benefited, and can make again and set up long-term and confidential relation between lathe manufacturer and the user, for lathe manufacturer and user bring huge economic benefit.
A kind of remote diagnosis method that is used for numerically-controlled machine is provided in the correlation technique, this method switches to long-range expert place by digital control system with the picture at lathe scene, carry out fault diagnosis by long-range expert then, lathe local operator and long-range expert adopt the software of specific digital control system to communicate, and utilize said method to realize Remote Diagnosis System such as Siemens's 840D digital control system.
The inventor finds that the remote diagnosis method in the correlation technique is only applicable to the numerical control device of particular type, is not easy to the service system of lathe manufacturer customization oneself, thereby causes service range and service content limited, and service quality is relatively poor.
Summary of the invention
The present invention aims to provide a kind of remote diagnosis method and system that is used for numerically-controlled machine, can solve the numerical control device that remote diagnosis method in the correlation technique is only applicable to particular type, be not easy to the service system of lathe manufacturer customization oneself, thereby cause service range and service content limited, the problem that service quality is relatively poor.
To achieve these goals, according to an aspect of the present invention, a kind of remote diagnosis method that is used for numerically-controlled machine is provided, has may further comprise the steps: the operational factor of the local lathe of collection of server, and when local lathe breaks down, send the failure operation parameter to client computer; Client computer output failure operation parameter, receiving remote expert's fault diagnosis result, and according to fault diagnosis result generation steering order; Client computer is to the server sending controling instruction.
Preferably, in said method, client computer output failure operation parameter, receiving remote expert's fault diagnosis result comprises: client computer is exported the failure operation parameter to long-range expert; The fault diagnosis result that client computer receiving remote expert makes according to the failure operation parameter.
Preferably, in said method, client computer output failure operation parameter, receiving remote expert's fault diagnosis result comprises: client computer is to long-range lathe output failure operation parameter; Long-range lathe carries out dry run according to the failure operation parameter; The fault diagnosis result that client computer receiving remote expert makes according to the result of dry run.
Preferably, in said method,, also comprise after the server sending controling instruction in client computer: server is revised the parameter setting of local lathe according to steering order.
Preferably, in said method,, also comprise after the server sending controling instruction in client computer: client computer is revised the parameter setting of local lathe according to steering order.
Preferably, in said method, also comprise: the operation video of the local lathe of camera collection, and will move video and export server to; Server sends the failure operation video to client computer when local lathe breaks down; Client computer is exported the failure operation video to long-range expert.
To achieve these goals, according to a further aspect in the invention, also provide a kind of remote diagnosis system that is used for numerically-controlled machine, having comprised: server, be used to gather the operational factor of local lathe, and when local lathe breaks down, send the failure operation parameter to long-range client computer; Client computer is used to export the failure operation parameter, and receiving remote expert's fault diagnosis result generates steering order according to fault diagnosis result, and to the server sending controling instruction.
Preferably, said system also comprises: long-range lathe, be used for the failure operation parameter that subscribing client is exported, and carry out dry run according to the failure operation parameter.
Preferably, in said system, client computer also is used for revising according to steering order the parameter setting of local lathe.
Preferably, said system also comprises: camera is used to gather the operation video of local lathe, and will moves video and export server to.
Because the operational factor of local numerically-controlled machine is gathered by server in the foregoing description, also finish with communicating by letter of long-range expert by the information interaction of server and client computer, need not to depend on specific cnc system software, be applicable to various types of numerically-controlled machines, be convenient to the service system of lathe manufacturer flexible customization oneself, and then expanded service range, enriched service content, improved service quality, so overcome the numerical control device that remote diagnosis method in the correlation technique is only applicable to particular type, be not easy to the service system of lathe manufacturer customization oneself, thereby cause service range and service content limited, the problem that service quality is relatively poor.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the process flow diagram according to the remote diagnosis method of first embodiment of the invention;
Fig. 2 shows the parameter transmission flow figure according to second embodiment of the invention;
Fig. 3 shows the process flow diagram according to the remote diagnosis method of third embodiment of the invention;
Fig. 4 shows the structural drawing according to the remote diagnosis system of fourth embodiment of the invention;
Fig. 5 shows the structural drawing according to the remote diagnosis system of fifth embodiment of the invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 1 shows the process flow diagram according to the remote diagnosis method of first embodiment of the invention, and this method may further comprise the steps:
Step 101, the operational factor of the local lathe of collection of server, and when local lathe breaks down, send the failure operation parameter to client computer;
Step 102, client computer output failure operation parameter, receiving remote expert's fault diagnosis result, and according to fault diagnosis result generation steering order;
Step 103, client computer is to the server sending controling instruction.
Present embodiment adopts C/S (Client/Server, client-side/server end) network structure, at first by the operational factor of the local lathe of collection of server, and when breaking down, local lathe sends the failure operation parameter to remote client, then by client computer output failure operation parameter, receiving remote expert's fault diagnosis result, and generate steering order according to fault diagnosis result, at last by client computer to the server sending controling instruction.Because the operational factor of local numerically-controlled machine is gathered by server in the present embodiment, also finish with communicating by letter of long-range expert by the information interaction of server and client computer, need not to depend on specific cnc system software, be applicable to various types of numerically-controlled machines, be convenient to the service system of lathe manufacturer flexible customization oneself, and then expanded service range, enriched service content, improved service quality, so overcome the numerical control device that remote diagnosis method in the correlation technique is only applicable to particular type, be not easy to the service system of lathe manufacturer customization oneself, thereby cause service range and service content limited, the problem that service quality is relatively poor.
Fig. 2 shows the parameter transmission flow figure according to second embodiment of the invention, may further comprise the steps:
Step 201, the client computer listening port;
Step 202, when local lathe broke down, server sent connection request to client computer;
Step 203, client computer is selected whether to accept according to present case, if accept, then forwards step 204 to; Otherwise, go back to step 201;
Step 204, if client computer agrees to accept connection request, then server with the failure operation parameter that collects through Internet (internet) with TCP/IP (Transmission ControlProtocol/Internet Protocol, transmission control protocol/Internet protocol) agreement is delivered to client computer, for guaranteeing the integrality of parameter, adopting the mode of both sides' agreement is that data block format encapsulates with Parameters Transformation, and sends;
Step 205, client computer receives the failure operation parameter;
Step 206, client computer is carried out the integrality judgement to the failure operation parameter, if complete, then forwards step 209 to; Otherwise, forward step 207 to;
Step 207 if the client computer judgment data is imperfect, then sends re-send request may to server, and abandons incomplete packet;
Step 208, server receives re-send request may, and retransmits the failure operation parameter according to re-send request may;
Step 209, if the client computer judgment data is complete, then client computer sends to server and receives complete confirmation signal;
Step 210, whether the server basis receives the complete confirmation signal of reception judges whether to receive, if receive, then flow process finishes; Otherwise, go back to step 204.
Present embodiment has been realized the transmission of server to the failure operation parameter of client computer, owing to adopted data encapsulation, the line data integrality of going forward side by side is judged, so effectively guaranteed to be used for the integrality of the operational factor of fault analysis and diagnosis, for remote diagnosis provides raw data accurately, help improving the accuracy of remote diagnosis.
Preferably, in said method, step 102 comprises: client computer is exported the failure operation parameter to long-range expert; The fault diagnosis result that client computer receiving remote expert makes according to the failure operation parameter; Client computer generates steering order according to fault diagnosis result.
Client computer is directly exported the failure operation parameter to long-range expert in the present embodiment, such as pictograph demonstration, sound playing etc., realized that numerical control shows the remote monitoring function, long-range expert gets parms from client computer, and carry out fault analysis and diagnosis, after drawing diagnostic result, to client computer input diagnostic result, client computer is again according to the steering order of diagnostic result generation at local lathe.By means of present embodiment, even the expert of far-end also can obtain the field datas such as accurate failure operation parameter of local lathe, for carrying out fault diagnosis, long-range expert provides the foundation, also the diagnostic result with the expert is converted into steering order, makes diagnostic result can be directly used in the parameter modification of local lathe.
Preferably, in said method, step 102 comprises: client computer is to long-range lathe output failure operation parameter; Long-range lathe carries out dry run according to the failure operation parameter; The fault diagnosis result that client computer receiving remote expert makes according to the result of dry run; Client computer generates steering order according to fault diagnosis result.
Present embodiment disposes long-range lathe at far-end, be used for carrying out dry run according to the failure operation parameter that receives, to reproduce user's field condition of local lathe at far-end, long-range expert gets parms from client computer, and carry out fault analysis and diagnosis, after drawing diagnostic result, to client computer input diagnostic result, client computer is again according to the steering order of diagnostic result generation at local lathe.Do like this, make long-range expert that the sensation of body copy ground lathe processing site be arranged, improved the remote diagnosis dirigibility, for the fault remote diagnosis provides the good technical support.
Preferably, in said method, after step 103, also comprise: server is revised the parameter setting of local lathe according to steering order.
Server is after the steering order that receives from client computer in the present embodiment, at first resolve steering order, obtain failure cause and parameter modification order, revise the machined parameters of local lathe again according to this order, local operator also can be controlled and maintenance work lathe under the assistance of server.Do like this, realized that the local lathe parameter after the passback of remote diagnosis steering order is revised, make the result of remote diagnosis be used at once carry out fault restoration, shortened the time of fault recovery, improved the efficient of machine maintenance.
Preferably, in said method, after step 103, also comprise: client computer is revised the parameter setting of local lathe according to steering order.
Client computer is behind the server sending controling instruction in the present embodiment, directly revise the parameter setting of local lathe according to this steering order, long-range expert also can directly control lathe under the assistance of client computer, such as the bottom function of some lathe parameters can be set in the signal procedure of digital control system for client calls, client computer can show the machining information of digital control system real-time dynamicly to long-range expert, and promptly local lathe can be worked under local operator and long-range expert's Collaborative Control.Present embodiment makes long-range expert more directly participate in the failover process for far-end provides technical support to the direct control of local lathe, has further shortened the time of fault recovery, has improved the efficient of fault recovery.
Preferably, in said method, also comprise: the operation video of the local lathe of camera collection, and will move video and export server to; Server sends the failure operation video to client computer when local lathe breaks down; Client computer is exported the failure operation video to long-range expert.
The fault of some local lathe and field condition can't be described and characterize by electronic signal, fault as pure machinery, production environment etc., but these information may be vital for fault diagnosis, so present embodiment has also disposed camera at server end, the multimedia acoustic image data that are used for collection site, as camera picture and text description etc., and the multi-medium datas such as operation video that will collect are transferred to the client computer of far-end, carry out fault analysis for long-range expert, be that present embodiment is not only supported the remote monitoring of long-range expert to operational factor, also support the remote monitoring of long-range expert the operation video.Present embodiment adopts camera, some can't be informed long-range expert by the form of multi-medium data by the information that operational factor characterizes, make long-range expert body copy ground lathe processing site seemingly, and understand field condition in real time, help long-range expert and grasp more field data, to make fault diagnosis more accurately.
Fig. 3 shows the process flow diagram according to the remote diagnosis method of third embodiment of the invention, and this method may further comprise the steps:
Step 301, server and client computer connect;
Step 302 judges to connect whether set up success, if success then turns to step 303; Otherwise, go back to step 301;
Step 303, if determine successful connection, then server sends parameter information to client computer;
Step 304, client computer receives parameter information;
Step 305, client computer output parameter information, long-range expert carries out fault analysis according to parameter information;
Step 306, client computer receiving remote expert's fault diagnosis result generates steering order according to diagnostic result, and to the server sending controling instruction;
Step 307, server receives steering order;
Step 308, the server parses steering order;
Step 309, server is learned failure cause;
Step 310, server is revised parameter command according to steering order;
Step 311, server changes the machined parameters of lathe;
Step 312 judges that whether monitoring is finished, if finish, then forwards step 313 to; Otherwise, go back to step 302;
Step 313, server disconnect with client computer and being connected.
Present embodiment has been realized the information interaction between home server and the remote client, and then has realized remote monitoring and the diagnosis of long-range expert to local lathe.
Fig. 4 shows the structural drawing according to the remote diagnosis system of fourth embodiment of the invention, and this system comprises:
Server 401, the operational factor that is used to gather local lathe, and when local lathe breaks down, send the failure operation parameter to long-range client computer;
Client computer 402 is used to export the failure operation parameter, and receiving remote expert's fault diagnosis result generates steering order according to fault diagnosis result, and to the server sending controling instruction.
Present embodiment adopts the C/S network structure, at first gather the operational factor of local lathe by server 401, and when breaking down, local lathe sends the failure operation parameter to client computer 402, then by client computer 402 output failure operation parameters, receiving remote expert's fault diagnosis result, and generate steering order according to fault diagnosis result, at last by client computer 402 to server 401 sending controling instructions.Because the operational factor of local numerically-controlled machine is gathered by server 401 in the present embodiment, also finish with communicating by letter of long-range expert by the server 401 and the information interaction of client computer 402, need not to depend on specific cnc system software, be applicable to various types of numerically-controlled machines, be convenient to the service system of lathe manufacturer flexible customization oneself, and then expanded service range, enriched service content, improved service quality, so overcome the numerical control device that remote diagnosis method in the correlation technique is only applicable to particular type, be not easy to the service system of lathe manufacturer customization oneself, thereby cause service range and service content limited, the problem that service quality is relatively poor.
Preferably, said system also comprises: long-range lathe, be used for the failure operation parameter that subscribing client 402 is exported, and carry out dry run according to the failure operation parameter.
Present embodiment disposes long-range lathe at far-end, be used for carrying out dry run according to the failure operation parameter that receives, to reproduce user's field condition of local lathe at far-end, long-range expert gets parms from client computer 402, and carry out fault analysis and diagnosis, after drawing diagnostic result, to client computer 402 input diagnostic results, client computer 402 is again according to the steering order of diagnostic result generation at local lathe.Do like this, make long-range expert that the sensation of body copy ground lathe processing site be arranged, improved the remote diagnosis dirigibility, for the fault remote diagnosis provides the good technical support.
Preferably, in said system, client computer 402 also is used for revising according to steering order the parameter setting of local lathe.
Client computer 402 is behind server 401 sending controling instructions in the present embodiment, directly revise the parameter setting of local lathe according to this steering order, long-range expert also can directly control lathe under the assistance of client computer 402, such as the bottom function of some lathe parameters can be set in the signal procedure of digital control system for client calls, client computer 402 can show the machining information of digital control system real-time dynamicly to long-range expert, and promptly local lathe can be worked under local operator and long-range expert's Collaborative Control.Present embodiment makes long-range expert more directly participate in the failover process for far-end provides technical support to the direct control of local lathe, has further shortened the time of fault recovery, has improved the efficient of fault recovery.
Preferably, said system also comprises: camera 403 is used to gather the operation video of local lathe, and will moves video and export server to.
Present embodiment has also disposed camera 403 at server end, the multimedia acoustic image data that are used for collection site, as camera picture and text description etc., and the multi-medium datas such as operation video that will collect are transferred to the client computer of far-end, carry out fault analysis for long-range expert, be that present embodiment is not only supported the remote monitoring of long-range expert to operational factor, also support the remote monitoring of long-range expert the operation video.Present embodiment adopts camera, some can't be informed long-range expert by the form of multi-medium data by the information that operational factor characterizes, make long-range expert body copy ground lathe processing site seemingly, and understand field condition in real time, help long-range expert and grasp more field data, to make fault diagnosis more accurately.
Fig. 5 shows the structural drawing according to the remote diagnosis system of fifth embodiment of the invention, at first server 401 obtains operational factor from numerically-controlled machine and digital control system, camera 403 is gathered the operation video, and be sent to server 401, server 401 when machine failure to client computer 402 transmission fault operation informations (comprise operational factor with operation video), long-range expert carries out fault analysis and diagnosis according to the output of client computer 402, and client computer 402 is carried out Long-distance Control according to expert's fault diagnosis result to the lathe of server end.Present embodiment makes the sensation that long-range expert has body to face processing site, for remote diagnosis provides the good technical support.
As can be seen from the above description, the above embodiments of the present invention are applicable to various types of numerically-controlled machines, are convenient to the service system of lathe manufacturer flexible customization oneself, and then have expanded service range, have enriched service content, have improved service quality.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, carry out by calculation element thereby they can be stored in the memory storage, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a remote diagnosis method that is used for numerically-controlled machine is characterized in that, may further comprise the steps:
The operational factor of the local lathe of collection of server, and when described local lathe breaks down, send the failure operation parameter to client computer;
Described client computer is exported described failure operation parameter, receiving remote expert's fault diagnosis result, and according to described fault diagnosis result generation steering order;
Described client computer sends described steering order to described server.
2. method according to claim 1 is characterized in that, described client computer is exported described failure operation parameter, and receiving remote expert's fault diagnosis result comprises:
Described client computer is exported described failure operation parameter to described long-range expert;
Described client computer receives the fault diagnosis result that described long-range expert makes according to described failure operation parameter.
3. method according to claim 1 and 2 is characterized in that, described client computer is exported described failure operation parameter, and receiving remote expert's fault diagnosis result comprises:
Described client computer is exported described failure operation parameter to long-range lathe;
Described long-range lathe carries out dry run according to described failure operation parameter;
Described client computer receives the fault diagnosis result that described long-range expert makes according to the result of described dry run.
4. method according to claim 1 is characterized in that,, also comprises after described server sends described steering order in described client computer:
Described server is revised the parameter setting of described local lathe according to described steering order.
5. according to claim 1 or 4 described methods, it is characterized in that, after described server sends described steering order, also comprise in described client computer:
Described client computer is revised the parameter setting of described local lathe according to described steering order.
6. method according to claim 1 is characterized in that, also comprises:
The operation video of the described local lathe of camera collection, and export described operation video to described server;
Described server sends the failure operation video to described client computer when described local lathe breaks down;
Described client computer is exported described failure operation video to described long-range expert.
7. a remote diagnosis system that is used for numerically-controlled machine is characterized in that, comprising:
Server, the operational factor that is used to gather local lathe, and in described this locality
When breaking down, lathe sends the failure operation parameter to long-range client computer;
Described client computer is used to export described failure operation parameter, and receiving remote expert's fault diagnosis result generates steering order according to described fault diagnosis result, and sends described steering order to described server.
8. system according to claim 7 is characterized in that, also comprises:
Long-range lathe is used to receive the failure operation parameter that described client computer is exported, and carries out dry run according to described failure operation parameter.
9. system according to claim 7 is characterized in that, described client computer also is used for revising according to described steering order the parameter setting of described local lathe.
10. system according to claim 7 is characterized in that, also comprises:
Camera is used to gather the operation video of described local lathe, and exports described operation video to described server.
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CN102752624A (en) * 2012-06-08 2012-10-24 深圳创维－Rgb电子有限公司 Remote diagnosis method of television fault, television and system
CN104111627A (en) * 2014-07-07 2014-10-22 西安交通大学 Dynamic characteristic test analysis system of numerically-controlled machine tool
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CN104539441A (en) * 2014-11-21 2015-04-22 北京极科极客科技有限公司 Router fault handling method
CN104486647A (en) * 2014-12-15 2015-04-01 四川长虹电器股份有限公司 Remote control method and TV capable of being remotely controlled
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CN107862351A (en) * 2016-10-19 2018-03-30 华中科技大学 Be advantageous to the method for failure solution
CN108805294A (en) * 2017-04-26 2018-11-13 联想新视界（天津）科技有限公司 A kind of processing method and processing device of tutorial message for target device
CN108021049A (en) * 2017-12-26 2018-05-11 宣城新维保网络技术有限公司 A kind of machine safety valve long-range control method
CN110096031A (en) * 2019-05-27 2019-08-06 无锡微茗智能科技有限公司 A kind of remote diagnosis system and method for numerically-controlled machine tool
CN113156907A (en) * 2021-05-26 2021-07-23 深圳市积汇天成科技有限公司 Equipment interconnection method, terminal, server and system
CN115826503A (en) * 2023-02-14 2023-03-21 深圳市玄羽科技有限公司 Machine tool remote diagnosis method based on industrial internet big data
CN115826503B (en) * 2023-02-14 2023-04-14 深圳市玄羽科技有限公司 Machine tool remote diagnosis method based on industrial internet big data

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