CN104898522A - Remote monitoring system for digital welding power supply - Google Patents
Remote monitoring system for digital welding power supply Download PDFInfo
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- CN104898522A CN104898522A CN201510271096.XA CN201510271096A CN104898522A CN 104898522 A CN104898522 A CN 104898522A CN 201510271096 A CN201510271096 A CN 201510271096A CN 104898522 A CN104898522 A CN 104898522A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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Abstract
The invention relates to a remote monitoring system for a digital welding power supply. The remote monitoring system comprises an on-site acquisition portion, a local monitoring portion and a remote monitoring portion, wherein the on-site acquisition portion is connected with the remote monitoring portion through the local monitoring portion. Conventional B/S and C/S modes are integrated into one system, and real-time high-efficient monitoring and managing of welders are realized. Important indexes and thresholds for remote monitoring are set. The remote monitoring system saves resources and does not miss important real-time information. A supervising device communicates with the digital welding system through Ethernet or a CAN bus. The remote monitoring system is high in flexibility and expandability.
Description
Technical field
The present invention relates to equipment monitoring system field, be specifically related to a kind of digital source of welding current long distance control system.
Technical background
The source of welding current of Digital Control has the outstanding advantages such as control strategy, stable control accuracy, friendly system flexibility, communication capacity be flexibly strong, adopt digital welding power source to carry out welding and can obtain stable welding quality, accurate appearance of weld and efficient welding technology, and being easy to the networked operation and management etc. that realize welding production, is study hotspot and the important development direction of the current source of welding current.
Modern welding production management, also in the urgent need to realizing networked operation and the management of welding power source system, e.g., by welding technology and the optimum configurations of networking, can realize the standardized administration of welding technology; Pass through Network Interface, digital monitoring can be carried out to welding production process, multiple stage welding machine can also form computer controlled network by digital communication, automatic welding system is formed with robot interface, thus realize the robotization of whole welding production process, realize multimachine online assignment simultaneously, improve welding quality and production efficiency.
Existing digital source of welding current long distance control system is mainly for the local monitor of welding system, but because domestic welding automation rate is also lower, about 30%, most enterprise or semiworks are still in the majority with manual welding, adopt any software supervision to manage hardly; In addition, any think that the related personnel of access system must install this local monitor software could operational administrative, except software upgrading troublesome maintenance, long-range/mobile terminal is not accessed yet, and this is large inferior positions for the epoch that mobile Internet is flourish.
In view of above-mentioned defect, creator of the present invention obtains the present invention finally through long research and practice.
Summary of the invention
For solving above-mentioned technological deficiency, the technical solution used in the present invention is, a kind of digital source of welding current long distance control system is provided, it is characterized in that, comprise a collection in worksite portion, a local monitor portion, a remote monitoring portion, described collection in worksite portion is connected by described local monitor portion with described remote monitoring portion.
Preferably, described local monitor portion comprises:
For storing a database server of data and fault detect;
For connecting the local link block in described local monitor portion and described remote monitoring portion, and be connected with described database server;
For the monitoring module showing data, monitor for operator, judge, and be connected with described local link block.
Preferably, described remote monitoring portion comprises: some clients, a long-range link block and a Web server;
Described long-range link block is connected with described local link block;
Described client is connected to described Web server by described long-range link block, and described Web server is connected to described database server by described long-range link block.
Preferably, described collection in worksite portion comprises some digital sources of welding current, and the described digital source of welding current is provided with some sensors.
Preferably, described sensor comprises current sensor and/or voltage sensor and/or temperature sensor and/or timer.
Preferably, described database server comprises,
Store a current data block of current data;
One historical data module of store historical data;
The memory module that control data stores, is connected with described current data block, described historical data module respectively;
To the detection module that real time data detects, be connected with described memory module;
One failure code memory module of storage failure information and failure code, is connected with described detection module.
Preferably, described database server also comprises a Client Interface module, is connected during described client-access data by described Client Interface module.
Preferably, described collection in worksite portion is connected by CAN or Ethernet mode with described local monitor portion.
Compared with prior art, beneficial effect of the present invention is: be integrated in same system by traditional B/S and C/S model, and the real-time high-efficiency achieving welder carries out monitoring management operation; Important index and threshold value are arranged to remote monitoring, while saving resource, does not omit important information constantly; Supervising device is communicated with digital welding system by Ethernet or CAN, and dirigibility is strong, and extensibility is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment one in the present invention;
Fig. 2 is the structural representation of embodiment two in the present invention;
Fig. 3 is embodiment two database server structural representation in the present invention;
Fig. 4 is embodiment four database server structural representation in the present invention.
Embodiment
Understand technical scheme of the present invention and beneficial effect for ease of those skilled in the art, spy describes as follows to embodiment by reference to the accompanying drawings.
Embodiment one:
Refer to shown in Fig. 1, Fig. 1 is digital source of welding current remote control administrative system embodiment one Organization Chart of the present invention.Described system comprises remote monitoring portion 1, local monitor portion 2 and collection in worksite portion 3.
Described collection in worksite portion 1 solves the problem of monitoring target data acquisition, thus arrives the object to monitoring target and state analysis thereof.It, by built-in various sensor devices, realizes the collection for data, by real-time data transmission to local computer, also can accept from local computer, the especially operational order of local monitor module simultaneously.
Described local monitor portion 2 is as the central control unit of whole system, the real-time Transmission of data, process can be realized and store, it comprises the corresponding module for realizing storage to digital welding system Monitoring Data, display, analysis and treament, can issue operational order to each welding gear simultaneously.Communication between numeral source of welding current equipment and the module of processor data adopts C/S (client-server) architectural framework, can realize complicated operation flow and fast response time.
Described remote monitoring portion 3 can realize accessing mobile terminal whenever and wherever possible, by adopting B/S (browser and server) architectural framework, can realize remote terminal (comprising mobile terminal) at any time by wired or wireless mode access system.Avoid the trouble of user installation client software and upgrade maintenance, technical foundation is provided for construction networked platforms in future simultaneously.
Embodiment two
Refer to shown in Fig. 2, Fig. 2 is digital source of welding current remote control administrative system embodiment two Organization Chart of the present invention.
Embodiment two is substantially identical with embodiment one, and difference is:
Described remote monitoring portion comprises 1 and comprises some client 11, long-range link block 12 and a Web server (webserver) 13, and described client 11 is connected to described Web server by described long-range link block 12.Described client 11 comprises various terminal device, such as mobile phone, personal computer, individual panel computer or other-end opertaing device, because described remote monitoring portion 1 may comprise some described clients 11, multiple described client 11 gathers and is connected to described Web server 13 by described long-range link block, is connected into network by described client 11.Described client 11 can obtain its information wanted from described Web server 13.
Be a Web router in described long-range link block 12 the present embodiment.
Described local monitor portion 2 comprises database server 21, monitoring module 23 and a local link block 22.Described monitoring module is connected to described database server 21 by described local link block.Described local link block 22 is connected with described long-range link block 12, for realizing the communication in described local monitor portion 2 and described remote monitoring portion 1.
Described local link block 22 is an Ethernet switch in the present embodiment.
Described collection in worksite portion 3 comprises several digital sources of welding current 31, the described digital source of welding current 31 comprises various such as current sensor, voltage sensor, temperature sensor, humidity sensor, sensitive materials sensor sensor group, operational factor in the described digital source of welding current 31 course of work is detected, forms Monitoring Data and be sent to described local link block 22.The described digital source of welding current 31 uses CAN with described local link block 22, and namely fieldbus pattern connects, and it has stronger antijamming capability, Signal transmissions adopts short frame structure, transmission time is short, and bus adopts multi-master competition formula, can free communication between each node.
When described collection in worksite portion 3 works, when namely having at least a described digital source of welding current 31 to work, when the described digital source of welding current 31 described in any one works, its Monitoring Data produced is sent to described local link block 22 in real time, and described local link block 22 is sent to described database server 21 and described monitoring module 23 simultaneously.
Described Monitoring Data stores by described database server 21, and is uploaded to described Web server 13 by described local link block 22, inquires about monitoring information for terminal.
Described database server connects the monitor data that 21 are subject to the transmission of described local link block 22, and processes.Have common fault and failure code corresponding to fault detail information distribution in described database server 21, carry out Real-Time Monitoring to monitor data, when finding fault, by failure message, such as failure code etc., are sent to described monitoring module 23 and show.
Described monitoring module 23 receives the Monitoring Data being derived from the described digital source of welding current 31 that described local link block 22 sends, and is shown, and can judge for operator.The operation that operator carries out according to described detection data, operational order is sent to the described digital source of welding current 31 by described local link block 22 by described monitoring module 23.
Described database server 21 pairs of Monitoring Data are carried out in Real-Time Monitoring process, if find, failure message will be sent to described monitoring module 23 very first time by fault, failure message shows by described monitoring module 23, carries out judging and operational order is sent to the described digital source of welding current 31 by described local link block 22 for operator.
The source of welding current may be inaccurate after using a period of time, needs its calibration.Described database server 21 pairs of Monitoring Data are carried out in Real-Time Monitoring process, find that the Monitoring Data of the described digital source of welding current 31 produces drift, then automatically regulate value of feedback match settings value to calibrate the described source of welding current 31.
Refer to shown in Fig. 3, it is database server structural drawing.
Described database server 21 comprises current data block 211, memory module 212, historical data module 213, failure code module 214 and a detection module 215.
Described current data block 211 is connected with described memory module 212 with described historical data module 213.When the described digital source of welding current 31 is in running order, its Monitoring Data being sent to described database server 21 is stored by described current data block 211.When the described digital source of welding current 31 quits work, described current data block 211 imports this operational data into described memory module 212 in the lump, then stores and enters described historical data module 213.Described current data block 211, memory module 212, historical data module 213 adopt different type of memory, for current data block 211, need to use response speed storer faster, to realize timely feedback, can the storer of comparatively large, the low cost of capacity for historical storage module 213, for saving volume and cost.Multistage different storer is so set, can optimizes allocation of resources, improve corresponding speed and the reliability of data.
Described detection module 215 is directly connected with described memory module 212, described failure code memory module 214, and its effect is the Monitoring Data that described in Real-Time Monitoring, the digital source of welding current 31 transmits.It calls the most common failure and failure code corresponding to fault detail information distribution that store in described failure code memory module 214 at any time, if discovery fault data, then immediately by failure message, such as failure code is sent to described memory module 212 and stores, and be sent to described local link block 22 transfer to described monitoring module 23 carry out judgement process.
Embodiment three
Embodiment three is similar to embodiment two, and difference is:
The described digital source of welding current 31 uses Ethernet (Ethernet) to be connected as connection mode with described local link block 22, as the most general communication protocol standard that current existing LAN (Local Area Network) adopts, Ethernet is along with the development of ethernet technology and TCP/IP technology, meanwhile, increasing embedded Control equipment is provided with Ethernet access function, and the networking utilizing open Ethernet to realize embedded control system is following development trend.
Embodiment four
Embodiment four is similar to embodiment two, and difference is:
In the present invention, described monitoring module 23 all can access described database server 21 with described client 11.In the present embodiment, the two access mode is different.
Described database server 21 comprises current data block 211, memory module 212, historical data module 213, failure code module 214, detection module 215 and a Client Interface module 216.
Described monitoring module 23, when conducting interviews to database server, directly connects described memory module 212 and conducts interviews.When described client 11 conducts interviews to described database server, conducted interviews by described Client Interface module 216.
Because client is to the connection of database, that carries out data checks, has significant time delay, and reality does not allow database server all real-time information to be uploaded in internet to check yet.So the data that the access that described client 11 pairs of database servers carry out obtains are divided into historical data and real time data two kinds.
When described client 11 pairs of data are asked, described Client Interface module 216 can detect the data of request, detects the important index of its request msg, if important index exceedes threshold value, then upload real-time information, if important index is lower than threshold value, then upload historical data.
Described important index θ is determined by following formula:
Wherein, I with
be respectively electric current and day current average; U with
be respectively voltage and day average voltage; K with
be respectively this day operating time and per day operating time in 24 days; T with
temperature and degree/day mean value respectively; a
1to a
4be respectively default component weight parameter, be a numeral between 0 to 2, determined by actual conditions.
The hazard level of every physical parameter among the important index reaction Contemporary Digital source of welding current.When it is greater than a certain threshold value, then real time data is sent to client, so that related personnel's very first time is understood.
Described threshold value Th is determined by following formula:
If the data important index that described client 11 is asked is less than threshold value, then described Client Interface module 216 is accessed described memory module 212 and from described historical data module 213, is called historical data with crossing return to described client 11; If the data important index that described client 11 is asked is greater than threshold value, then described Client Interface module 216 is accessed described memory module 212 and from described current data block 211, is called historical data with crossing return to described client 11.
This process is only for the situation that the above-mentioned digital source of welding current 31 is working, if the described digital source of welding current 31 is not in work, then described current data block 211 does not exist data.
The foregoing is only preferred embodiment of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes and amendment in the spirit and scope that the claims in the present invention limit to it, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (8)
1. a digital source of welding current long distance control system, is characterized in that, comprise a collection in worksite portion, a local monitor portion, a remote monitoring portion, described collection in worksite portion is connected by described local monitor portion with described remote monitoring portion.
2. digital source of welding current long distance control system as claimed in claim 1, is characterized in that, described local monitor portion comprises:
For storing a database server of data and fault detect;
For connecting the local link block in described local monitor portion and described remote monitoring portion, and be connected with described database server;
For the monitoring module showing data, monitor for operator, judge, and be connected with described local link block.
3. digital source of welding current long distance control system as claimed in claim 2, is characterized in that, described remote monitoring portion comprises: some clients, a long-range link block and a Web server;
Described long-range link block is connected with described local link block;
Described client is connected to described Web server by described long-range link block, and described Web server is connected to described database server by described long-range link block.
4. digital source of welding current long distance control system as claimed in claim 2, is characterized in that, described collection in worksite portion comprises some digital sources of welding current, and the described digital source of welding current is provided with some sensors.
5. digital source of welding current long distance control system as claimed in claim 4, is characterized in that, described sensor comprises current sensor and/or voltage sensor and/or temperature sensor and/or timer.
6. digital source of welding current long distance control system as claimed in claim 2, it is characterized in that, described database server comprises,
Store a current data block of current data;
One historical data module of store historical data;
The memory module that control data stores, is connected with described current data block, described historical data module respectively;
To the detection module that real time data detects, be connected with described memory module;
One failure code memory module of storage failure information and failure code, is connected with described detection module.
7. digital source of welding current long distance control system as claimed in claim 6, it is characterized in that, described database server also comprises a Client Interface module, is connected during described client-access data by described Client Interface module.
8. digital source of welding current long distance control system as claimed in claim 4, is characterized in that, described collection in worksite portion is connected by CAN or Ethernet mode with described local monitor portion.
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| CN201510271096.XA CN104898522B (en) | 2015-05-25 | 2015-05-25 | A kind of digital source of welding current remote monitoring system |
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| CN201510271096.XA CN104898522B (en) | 2015-05-25 | 2015-05-25 | A kind of digital source of welding current remote monitoring system |
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Cited By (3)
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| CN105678988A (en) * | 2015-12-25 | 2016-06-15 | 广东开放大学（广东理工职业学院） | Data collection and transmission management system and control method |
| CN111830920A (en) * | 2020-07-23 | 2020-10-27 | 重庆中科云仿科技有限公司 | Factory intelligent monitoring sharing cloud platform based on Internet of things |
| CN114789287A (en) * | 2022-01-17 | 2022-07-26 | 湘潭大学 | Process self-adaptive control device and method of automatic arc welding robot welding line tracking system suitable for welding of flat butt joint |
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| CN104898522B (en) | 2018-01-23 |
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