CN104898522B - A kind of digital source of welding current remote monitoring system - Google Patents

A kind of digital source of welding current remote monitoring system Download PDF

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Publication number
CN104898522B
CN104898522B CN201510271096.XA CN201510271096A CN104898522B CN 104898522 B CN104898522 B CN 104898522B CN 201510271096 A CN201510271096 A CN 201510271096A CN 104898522 B CN104898522 B CN 104898522B
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data
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remote monitoring
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CN104898522A (en
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蒋晓明
刘晓光
赫亮
胡勇
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Guangdong Institute of Intelligent Manufacturing
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Guangdong Institute of Automation
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

Abstract

The present invention relates to a kind of digital source of welding current remote monitoring system, it is characterised in that including a collection in worksite portion, a local monitor portion, a remote monitoring portion, the collection in worksite portion is attached with the remote monitoring portion by the local monitor portion.Traditional B/S and C/S model are integrated in same system, the real-time high-efficiency for realizing welder is monitored management operation;Important index and threshold value are set to remote monitoring, important constantly information is not omitted while resource is saved;Supervising device is communicated by Ethernet or CAN with digital welding system, and flexibility is strong, and scalability is high.

Description

A kind of digital source of welding current remote monitoring system
Technical field
The present invention relates to equipment monitoring system field, and in particular to a kind of digital source of welding current remote monitoring system.
Technical background
The source of welding current of Digital Control have flexible control strategy, stable control accuracy, friendly system flexibility, Outstanding advantages of communication capacity is strong, stable welding quality, accurate weldering can be obtained by carrying out welding using digital welding power source Shape and efficient welding procedure are seamed into, and is easily achieved networked operation and management of welding production etc., is current welding electricity The study hotspot and important development direction in source.
Modern welding production management also there is an urgent need to realize networked operation and the management of welding power source system, e.g., passes through The welding procedure and parameter setting of networking, it is possible to achieve the standardized administration of welding procedure;, can be with butt welding by Network Interface Connect production process and be digitized monitoring, more welding machines can also form computer controlled network by digital communication, with machine Device people interface forms automatic welding system, so as to realize the automation of whole welding production process, realizes that multimachine is simultaneously online Operation, improve welding quality and production efficiency.
Existing digital source of welding current remote monitoring system mainly for welding system local monitor, but due to the country Welding automation rate is also than relatively low, and 30% or so, most enterprise or semiworks are still in the majority with manual welding, hardly using any Software supervision management;In addition, any related personnel for thinking access system must install this local monitor software ability operation pipe Reason, in addition to software upgrading troublesome maintenance, long-range/mobile terminal also can not access, and this flourishes for mobile Internet Epoch are a big inferior positions.
In view of drawbacks described above, creator of the present invention obtains the present invention finally by prolonged research and practice.
The content of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, there is provided a kind of digital source of welding current is long-range Monitoring system, it is characterised in that including a collection in worksite portion, a local monitor portion, a remote monitoring portion, the collection in worksite portion It is attached with the remote monitoring portion by the local monitor portion.
Preferably, the local monitor portion includes:
For data storage and a database server of fault detect;
For connecting the locality connection module in the local monitor portion and the remote monitoring portion, and with the database Server connects;
For display data, for operator monitoring, judge a monitoring module, and with the locality connection module phase Even.
Preferably, the remote monitoring portion includes:Some clients, a long-range link block and a Web server;
The long-range link block is connected with the locality connection module;
The client is connected to the Web server by the long-range link block, and the Web server passes through institute State long-range link block and be connected to the database server.
Preferably, the collection in worksite portion includes some digital sources of welding current, if being provided with the digital source of welding current Dry sensor.
Preferably, the sensor includes current sensor and/or voltage sensor and/or temperature sensor and/or meter When device.
Preferably, the database server includes,
Store a current data block of current data;
One historical data module of store historical data;
One memory module of control data storage, is connected with the current data block, the historical data module respectively Connect;
The detection module detected to real time data, is connected with the memory module;
A failure code memory module of fault message and failure code is stored, is connected with the detection module.
Preferably, the database server also includes a Client Interface module, the client is led to when accessing data The Client Interface module is crossed to be attached.
Preferably, the collection in worksite portion is connected with the local monitor portion by CAN or Ethernet modes.
Compared with prior art, the beneficial effects of the present invention are:Traditional B/S and C/S model are integrated to same system In system, the real-time high-efficiency for realizing welder is monitored management operation;Important index and threshold value are set to remote monitoring, saved Important constantly information is not omitted while resource;Supervising device is communicated by Ethernet or CAN with digital welding system, Flexibility is strong, and scalability is high.
Brief description of the drawings
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 the database server structural representation of embodiment two in the present invention;
Fig. 4 is example IV database server structural representation in the present invention.
Embodiment
Technical scheme and beneficial effect are understood for ease of those skilled in the art, spy is with reference to accompanying drawing pair Embodiment is described below.
Embodiment one:
Refer to shown in Fig. 1, Fig. 1 is the digital framework of source of welding current remote control administrative system embodiment one of the present invention Figure.The system includes remote monitoring portion 1, local monitor portion 2 and collection in worksite portion 3.
The collection in worksite portion 3 solves the problems, such as monitoring object data acquisition, so as to reach to monitoring object and its state The purpose of analysis.It realizes the collection for data, by real-time data transmission to originally by devices such as built-in various sensors Ground computer, while can also receive to come from the operational order of local computer, especially local monitor module.
Central control unit of the local monitor portion 2 as whole system, real-time Transmission, the processing of data can be realized With storage, it includes being used to realize storage, display, analysis and the corresponding module handled to digital welding system Monitoring Data, Operational order can be issued to each welding equipment simultaneously.Communication between digital source of welding current equipment and the module of processor data Using C/S (client-server) architectural framework, complicated operation flow and fast response time can be achieved.
The remote monitoring portion 1 can realize accesses mobile terminal whenever and wherever possible, by using B/S (browser and service Device) architectural framework, remote terminal (including mobile terminal) can be achieved system is accessed by wired or wireless way at any time.Avoid The trouble of user installation client software and upgrade maintenance, technology base is provided simultaneously for structure platform of internet of things in future Plinth.
Embodiment two
Refer to shown in Fig. 2, Fig. 2 is the digital framework of source of welding current remote control administrative system embodiment two of the present invention Figure.
Embodiment two is substantially the same with embodiment one, and difference is:
The remote monitoring portion, which includes 1, includes some clients 11, a long-range Web server (net of link block 12 and one Network server) 13, the client 11 is connected to the Web server by the long-range link block 12.The client 11 include various terminal equipment, such as mobile phone, personal computer, personal tablet personal computer or other-end control device, by institute Some clients 11 may be included by stating remote monitoring portion 1, and the long-range link block collects multiple clients 11 Be connected to the Web server 13, will the client 11 be connected into network.The client 11 can be from the Web service Its desired information is obtained in device 13.
It is a Web routers in described long-range the present embodiment of link block 12.
The local monitor portion 2 includes a database server 21, a monitoring module 23 and a locality connection module 22.Institute State monitoring module and the database server 21 is connected to by the locality connection module.The locality connection module 22 and institute State long-range link block 12 to be connected, for realizing the communication in the local monitor portion 2 and the remote monitoring portion 1.
The locality connection module 22, it is an Ethernet switch in the present embodiment.
The collection in worksite portion 3 includes several digital sources of welding current 31, and the digital source of welding current 31 includes various examples Such as current sensor, voltage sensor, temperature sensor, humidity sensor, sensitive materials sensor sensor group, to described Operational factor in the digital course of work of the source of welding current 31 is detected, and is formed Monitoring Data and is sent to the locality connection module 22.The digital source of welding current 31 uses CAN with the locality connection module 22, i.e. fieldbus pattern is attached, and it has There is stronger antijamming capability, signal transmission uses short frame structure, and transmission time is short, and bus uses multi-master competition formula, each node Between can free communication.
It is when being worked in the collection in worksite portion 3, i.e., described any when at least one described digital source of welding current 31 works When the individual digital source of welding current 31 works, its caused Monitoring Data is sent to the locality connection module 22, institute in real time State locality connection module 22 while be sent to the database server 21 and the monitoring module 23.
The database server 21 is stored the Monitoring Data, and by the locality connection module 22 The Web server 13 is reached, is inquired about for terminal-pair monitoring information.
The database server connects 21 monitoring datas transmitted by the locality connection module 22, and is located Reason.There is failure code corresponding to common failure and the distribution of fault detail information in the database server 21, to monitoring Data are monitored in real time, when finding failure, fault message, send to the monitoring module 23 at such as failure code etc. Row display.
What the monitoring module 23 received that the locality connection module 22 sends is derived from the digital source of welding current 31 Monitoring Data, is shown, is available for operator to be judged.The operation that operator is carried out according to the detection data, institute State monitoring module 23 and operational order is sent to the digital source of welding current 31 by the locality connection module 22.
The database server 21 is carried out in real-time monitoring process to Monitoring Data, if finding, failure will be incited somebody to action the very first time Fault message is sent to the monitoring module 23, and the monitoring module 23 shows fault message, is judged simultaneously for operator Operational order is sent to the digital source of welding current 31 by the locality connection module 22.
The source of welding current is using possible inaccuracy after a period of time, it is necessary to be calibrated to it.The database server 21 is to prison Survey data to carry out in real-time monitoring process, it is found that the Monitoring Data of the digital source of welding current 31 produces drift, then automatically adjust Value of feedback match settings value is calibrated to the source of welding current 31.
Refer to shown in Fig. 3, it is database server structure chart.
The database server 21 includes a current data block 211, a memory module 212, a historical data module 213rd, a failure code module 214 and a detection module 215.
The current data block 211 is connected with the historical data module 213 with the memory module 212.When described When the digital source of welding current 31 is in running order, it is sent to the Monitoring Data of the database server 21 by the current number Stored according to module 211.When the digital source of welding current 31 is stopped, the current data block 211 is by this work Make data and be passed to the memory module 212 in the lump, then storage enters the historical data module 213.The current data mould Block 211, memory module 212, historical data module 213 use different type of memory, for current data block 211, need To use the faster memory of response speed, with realize in time feedback, for historical storage module 213 can it is larger with capacity, take With cheap memory, for saving volume and cost.Multistage different memory is arranged such, can be optimized allocation of resources, Improve the corresponding speed and reliability of data.
The detection module 215 is joined directly together with the memory module 212, the failure code memory module 214, and it is made With being to monitor the Monitoring Data that the digital source of welding current 31 transmits in real time.It calls the failure code memory module at any time Failure code corresponding to most common failure and fault detail the information distribution stored in 214, if finding fault data, immediately by event Hinder information, such as failure code sends to the memory module 212 and stored, and send to the locality connection module 22 Transfer to the monitoring module 23 and carry out judgement processing.
Embodiment three
Embodiment three is similar to embodiment two, and difference is:
The digital source of welding current 31 uses Ethernet (Ethernet) to be connected as company with the locality connection module 22 Connect pattern, the most general communication protocol standard used as current existing LAN, Ethernet with ethernet technology and The development of TCP/IP technologies, at the same time, increasing embedded Control equipment are provided with Ethernet access function, utilize Open Ethernet realizes that the networking of embedded control system is following development trend.
Example IV
Example IV is similar to embodiment two, and difference is:
In the present invention, the monitoring module 23 can access the database server 21 with the client 11.This In embodiment, the two access mode is different.
The database server 21 includes a current data block 211, a memory module 212, a historical data module 213rd, a failure code module 214, a detection module 215 and a Client Interface module 216.
The monitoring module 23 is directly connected to the memory module 212 and carried out when being conducted interviews to database server Access.When the client 11 conducts interviews to the database server, visited by the Client Interface module 216 Ask.
Due to connection of the client to database, data are checked with have significant time delay, reality Do not allow database server that all real time information are uploaded in internet to be checked.So logarithm of client 11 Data obtained by the access carried out according to storehouse server are divided into two kinds of historical data and real time data.
When the client 11 makes requests on to data, the Client Interface module 216 can enter to the data of request Row detection, detects the important index of its request data, if important index exceedes threshold value, real time information is uploaded, if important index Less than threshold value, then historical data is uploaded.
The important index θ is determined by following formula:
Wherein, I withRespectively electric current and day current average;U withRespectively voltage and day average voltage;K with Respectively this day operating time and per day operating time in 24 days;T withTemperature and degree/day average value respectively;a1To a4Point Component weight parameter Wei not be preset, is a numeral between 0 to 2, is determined by actual conditions.
The degree of danger of every physical parameter among the important index reaction Contemporary Digital source of welding current.When it is more than a certain threshold Value, then be sent to client, so that related personnel's very first time understands by real time data.
The threshold value Th is determined by following formula:
If the data important index that the client 11 is asked is less than threshold value, the 216 same mistake of Client Interface module Access the memory module 212 calls historical data to return to the client 11 from the historical data module 213;If institute The data important index for stating the request of client 11 is more than threshold value, then same cross of the Client Interface module 216 accesses the storage Module 212 calls historical data to return to the client 11 from the current data block 211.
The situation that this process is working only for the above-mentioned digital source of welding current 31, if the digital source of welding current 31 is not Have and working, then data are not present in the current data block 211.
Presently preferred embodiments of the present invention is the foregoing is only, is merely illustrative for the purpose of the present invention, and it is non-limiting 's.Those skilled in the art understands, many changes can be carried out to it in the spirit and scope that the claims in the present invention are limited And modification, or even it is equivalent, but fall within protection scope of the present invention.

Claims (5)

  1. A kind of 1. digital source of welding current remote monitoring system, it is characterised in that including a collection in worksite portion, a local monitor portion, One remote monitoring portion, the collection in worksite portion are attached with the remote monitoring portion by the local monitor portion;Described Ground monitoring unit includes:
    For data storage and a database server of fault detect, the database server is used for the collection in worksite Calibrated in portion;
    For connecting the locality connection module in the local monitor portion and the remote monitoring portion, and with the database service Device connects;
    The monitoring module monitored for display data, for operator, judged, and be connected with the locality connection module;
    The database server includes:
    Store a current data block of current data;
    One historical data module of store historical data;
    One memory module of control data storage, is connected with the current data block, the historical data module respectively;
    The detection module detected to real time data, is connected with the memory module;
    A failure code memory module of fault message and failure code is stored, is connected with the detection module;
    One Client Interface module, the client are attached when accessing data by the Client Interface module;
    The Client Interface module detects the real time data when client makes requests on to data, by calculating the reality When data important index, and the important index is judged compared with given threshold, it is determined that uploading the current data Or the historical data,
    The formula of the important index θ is,
    <mrow> <mi>&amp;theta;</mi> <mo>=</mo> <msqrt> <mfrac> <mrow> <mo>|</mo> <mi>I</mi> <mo>-</mo> <mover> <mi>I</mi> <mo>&amp;OverBar;</mo> </mover> <msup> <mo>|</mo> <mn>2</mn> </msup> <mo>+</mo> <mo>|</mo> <mi>U</mi> <mo>-</mo> <mover> <mi>U</mi> <mo>&amp;OverBar;</mo> </mover> <msup> <mo>|</mo> <mn>2</mn> </msup> <mo>+</mo> <mo>|</mo> <mi>K</mi> <mo>-</mo> <mover> <mi>K</mi> <mo>&amp;OverBar;</mo> </mover> <msup> <mo>|</mo> <mn>2</mn> </msup> <mo>+</mo> <mo>|</mo> <mi>T</mi> <mo>-</mo> <mover> <mi>T</mi> <mo>&amp;OverBar;</mo> </mover> <msup> <mo>|</mo> <mn>2</mn> </msup> </mrow> <mrow> <msub> <mi>a</mi> <mn>1</mn> </msub> <mo>|</mo> <mi>I</mi> <mo>|</mo> <mo>+</mo> <msub> <mi>a</mi> <mn>2</mn> </msub> <mo>|</mo> <mi>U</mi> <mo>|</mo> <mo>+</mo> <msub> <mi>a</mi> <mn>3</mn> </msub> <mo>|</mo> <mi>K</mi> <mo>|</mo> <mo>+</mo> <msub> <mi>a</mi> <mn>4</mn> </msub> <mo>|</mo> <mi>T</mi> <mo>|</mo> </mrow> </mfrac> </msqrt> </mrow>
    The formula of the threshold value Th is,
    <mrow> <mi>T</mi> <mi>h</mi> <mo>=</mo> <mfrac> <msqrt> <mrow> <msubsup> <mi>a</mi> <mn>1</mn> <mn>2</mn> </msubsup> <mo>+</mo> <msubsup> <mi>a</mi> <mn>2</mn> <mn>2</mn> </msubsup> <mo>+</mo> <msubsup> <mi>a</mi> <mn>3</mn> <mn>2</mn> </msubsup> <mo>+</mo> <msubsup> <mi>a</mi> <mn>4</mn> <mn>2</mn> </msubsup> </mrow> </msqrt> <mrow> <msub> <mi>a</mi> <mn>1</mn> </msub> <mo>+</mo> <msub> <mi>a</mi> <mn>2</mn> </msub> <mo>+</mo> <msub> <mi>a</mi> <mn>3</mn> </msub> <mo>+</mo> <msub> <mi>a</mi> <mn>4</mn> </msub> </mrow> </mfrac> </mrow>
    Wherein, I is real-time current value;For day current average;U is real-time voltage value;For day average voltage;K is this day Operating time;For per day operating time in 24 days;T is real time temperature;For degree/day average value;a1、a2、a3、a4Respectively For default component weight parameter, it is a numeral between 0 to 2, is determined by actual conditions.
  2. 2. digital source of welding current remote monitoring system as claimed in claim 1, it is characterised in that the remote monitoring portion bag Include:Some clients, a long-range link block and a Web server;
    The long-range link block is connected with the locality connection module;
    The client is connected to the Web server by the long-range link block, and the Web server passes through described remote Journey link block is connected to the database server.
  3. 3. digital source of welding current remote monitoring system as claimed in claim 1, it is characterised in that the collection in worksite portion includes Some digital sources of welding current, some sensors are provided with the digital source of welding current.
  4. 4. digital source of welding current remote monitoring system as claimed in claim 3, it is characterised in that the sensor includes electric current Sensor and/or voltage sensor and/or temperature sensor and/or timer.
  5. 5. digital source of welding current remote monitoring system as claimed in claim 3, it is characterised in that the collection in worksite portion and institute Local monitor portion is stated to connect by CAN or Ethernet modes.
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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
CN111830920B (en) * 2020-07-23 2021-04-09 重庆中科云仿科技有限公司 Factory intelligent monitoring sharing cloud platform based on Internet of things

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