CN1282097C - Network electric welding machine control system and its control method - Google Patents
Network electric welding machine control system and its control method Download PDFInfo
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Abstract
The present invention relates to a network electric welding machine and a control method. The network electric welding machine comprises a main control unit and a communicating gateway, wherein the main control unit comprises a main control single chip machine, a welding specification parameter memory connected with the main control single chip machine, an input control circuit, an output control circuit, a display, a communication interface and a sensor circuit. The communicating gateway comprises a gateway circuit and a standard RJ45 interface. A network control system is installed on the electric welding machine, and thus, the electric welding machine becomes a nodal point on an internet. A gateway is connected with a field management computer through a twisted pair wire. The field management computer can be used for simultaneously and centrally managing 253 network electric welding machines at most and is connected with a remote welding specification database server through a public network. Welding specifications are downloaded by the electric welding machine from a remote welding specification database through the network and are executed. That specification data are actually operated by the electric welding machine is monitored by the remote welding specification database server through the network, and the specification data are stored to the database.
Description
Technical field
The present invention relates to materials processing and make network control system, the particularly control system of electric welding machine network.
Background technology
Welding conditions are key factors of decision welding quality, must carry out according to the standard of determining after the procedure qualification is strict in the actual production, but it is because on-the-spot in welding, welding conditions need artificial the setting, add the influence of some extraneous factors, welding conditions are produced in the process of implementation than large deviation, thereby influence welding quality.
Summary of the invention
The objective of the invention is the technology of the electric welding machine on the network is carried out unified management, realize the welding production process informationization.Electric welding machine on the network is hereinafter to be referred as the network electric welding machine.
The present invention is the electric welding machine network control system, be by network electric welding machine control module (1), network communication gateway (2), field management computing machine (3), public network (4), welding conditions database server (5) is formed, control module (1) is arranged in the rack of electric welding machine, network communication gateway (2) is arranged in the rack of electric welding machine, perhaps be arranged on outside the rack of electric welding machine, control module (1) is connected with network communication gateway (2) by first communication interface (1-2), network communication gateway (2) is connected with field management computing machine (3), and field management computing machine (3) is connected with welding conditions database server (5) by public network (4).
Network electric welding machine control module (1) is by main control singlechip (1-1), first communication interface (1-2), electric welding machine controlled variable storer (1-3), digital quantity output circuit (1-4), analogue quantity output circuit (1-5), analog acquisition circuit (1-6), display (1-7), keyboard input circuit (1-8) is formed, keyboard input circuit (1-8) is sent to main control singlechip (1-1) with the operation information of button, digital quantity output circuit (1-4) is connected with the solid-state relay module by connector realizes switching value control, the weldingvoltage feedback circuit is connected with the welding current shunt in analog acquisition circuit (1-6) and the network electric welding machine, gather electric welding machine operation and status information and be sent to main control singlechip (1-1), analogue quantity output circuit (1-5) is given with the electric welding machine welding current or wire feed rate is given links to each other, and the standard in the electric welding machine controlled variable storer (1-3) is become the actual network electric welding machine of exporting to.
Main control singlechip (1-1) is connected and composed by W78E58 (U1) and peripheral cell thereof, first communication interface (1-2) is connected and composed by MAX232 (U17) and peripheral cell thereof, electric welding machine controlled variable storer (1-3) is connected and composed by 27128 (U4) and peripheral cell thereof, display (1-7) is by display driver chip 6963C and adopt 128 * 64 dot matrix LCD display U7 and peripheral cell thereof to connect and compose, keyboard input circuit (1-8) is connected and composed by 8279 (U19) and peripheral cell thereof, digital quantity output circuit (1-4) is made up of 8255 (U5) and peripheral cell thereof, analog acquisition circuit (1-6) is made up of AD574 (U15) and peripheral cell thereof, and analogue quantity output circuit (1-5) is by two DAC0832 (U20, U21) and peripheral cell form.
The network communication gateway (2) of network electric welding machine is made up of gateway single-chip microcomputer (2-1), second communication interface (2-2), ethernet communication interface (2-3), connector (2-4), wherein connector (2-4) is a standard RJ45 connector, connector (2-4) connects field management computing machine (3), and gateway single-chip microcomputer (2-1) is by control module (1) exchange message of communication chip (IC3) with the electric welding machine of second communication interface (2-2).Gateway single-chip microcomputer (2-1) is connected and composed by 89C51 (IC1) and peripheral cell thereof, second communication interface (2-2) is the RS232 communication interface that is connected and composed by MAX232 (IC3) and peripheral cell thereof, ethernet communication interface (2-3) is made up of RTL8019AS (IC2) and peripheral cell thereof, couple together with network communication gateway (2) by the control module (1) of RS232 communication interface the network electric welding machine, connector (2-4) is the RJ45 connector, connects field management computing machine (3) by twisted-pair feeder.
Electric welding machine network control method of the present invention, its controlled step is as follows:
A. an IP address code is set and is stored in the network communication gateway (2) of network electric welding machine network control system for each network electric welding machine;
B. the weldering piece number that will import by keyboard input circuit (1-8) of operator and weld seam number send field management computing machine (3) to by network communication gateway (2);
C. be connected with welding conditions database server (5) by Ethernet by field management computing machine (3), number from database, determine welding conditions according to given weldering piece number and weld seam, send network electric welding machine control module (1) to and be stored in the electric welding machine controlled variable storer (1-3) through Ethernet and field management computing machine (3) and network communication gateway (2);
D. the parameter of being pressed in the electric welding machine controlled variable storer (1-3) by network electric welding machine control module (1) control electric welding machine is moved.
At the electric welding machine run duration, network electric welding machine control module (1) periodically transmits network communication gateway (2) with the actual operation parameters of electric welding machine, sends the history parameters of welding conditions database server (5) record electric welding machine to by field management computing machine (3) via network communication gateway (2).Described electric welding machine network control method (comprises CO applicable to direct current manual welding machine, gas-shielded welder
2Welding machine and MIG/MAG welding machine), submerged arc welding machine.
The present invention has carried out networking with the actuating equipment-electric welding machine of welding conditions, and standard parameter is provided with behind the welding conditions data base querying automatically by the worker's piece number and the weld seam number of input, has avoided man's activity, and has improved efficient.Simultaneously the parameter in the welding process is carried out periodic monitor, the result is deposited in the database for inquiry.Realized the networked unified management and the monitoring of welding production run, welding has been produced realized information-based and standardization.
Network electric welding machine of the present invention, at each electric welding pusher side the network communication gateway is set, be connected with the electric welding machine main control module by communication interface, Communication Gateway is connected with the field management computing machine by twisted-pair feeder, the field management computing machine is connected with remote center welding conditions database server by Ethernet, thereby sets up network electric welding machine control system.On-the-spot electric welding machine can be downloaded welding conditions at any time and carry out; Remote center's welding conditions database server can be monitored and state parameter is carried out record the electric welding machine state of arbitrary operation in the network.
Description of drawings
Fig. 1 is the structural representation of electric welding machine network control system of the present invention.
Fig. 2 is the structured flowchart of the main control unit of electric welding machine network control system of the present invention.
Fig. 3 is the structured flowchart of the network communication gateway of electric welding machine network control system of the present invention.
Fig. 4 is the main control unit circuit diagram of electric welding machine network control system shown in Figure 2.
Fig. 5 is the circuit diagram of analogue quantity output circuit (1-5) and analog acquisition circuit (1-6) in the main control unit of electric welding machine network control system shown in Figure 2.
Fig. 6 is the circuit diagram of the network communication gateway of electric welding machine network control system shown in Figure 3.
Launch embodiments of the invention below in conjunction with accompanying drawing.
Embodiment
Fig. 1 is the block diagram of electric welding machine network control system of the present invention, is made up of network electric welding machine control module (1), network communication gateway (2), field management computing machine (3), public network (4), welding conditions database server (5).Control module (1) is arranged in the rack of electric welding machine, and network communication gateway (2) is arranged in the rack of electric welding machine, perhaps is arranged on outside the rack of electric welding machine.Control module (1) is connected with network communication gateway (2) by first communication interface (1-2), network communication gateway (2) is connected with field management computing machine (3), and field management computing machine (3) is connected with welding conditions database server (5) by public network (4).
As shown in Figure 2, network electric welding machine control module (1) is by main control singlechip (1-1), first communication interface (1-2), electric welding machine controlled variable storer (1-3), digital quantity output circuit (1-4), analogue quantity output circuit (1-5), analog acquisition circuit (1-6), display (1-7), keyboard input circuit (1-8) is formed, keyboard input circuit (1-8) is sent to main control singlechip (1-1) with the operation information of button, digital quantity output circuit (1-4) is connected with the solid-state relay module by connector realizes switching value control, the weldingvoltage feedback circuit is connected with the welding current shunt in analog acquisition circuit (1-6) and the network electric welding machine, collection electric welding machine operation and status information also is sent in the main control singlechip (1-1), analogue quantity output circuit (1-5) is given with the electric welding machine welding current or wire feed rate is given links to each other, and the standard in the electric welding machine controlled variable storer (1-3) is become the actual network electric welding machine of exporting to.
As Fig. 2, Fig. 4, shown in Figure 5, network electric welding machine main control unit mainly comprises: the main control singlechip (1-1) that is connected and composed by W78E58 (U1) and peripheral cell thereof; First communication interface (1-2) that connects and composes by MAX232 (U17) and peripheral cell thereof; The electric welding machine controlled variable storer (1-3) that connects and composes by 27128 (U4) and peripheral cell thereof; By display driver chip 6963C and the display (1-7) that adopts 128 * 64 dot matrix LCD display U7 and peripheral cell thereof to connect and compose; The keyboard input circuit (1-8) that is connected and composed by 8279 (U19) and peripheral cell thereof is sent to main control singlechip (1-1) with the operation information of button; Digital quantity output circuit (1-4) by 8255 (U5) and peripheral cell thereof are formed is connected the control of realization switching value by connector, as the starting the arc, wire feed etc. with the solid-state relay module; The multi-analog Acquisition Circuit of forming by AD574 (U15) and peripheral cell thereof (1-6), be responsible for the network electric welding machine in the weldingvoltage feedback circuit be connected with the welding current shunt, electric welding machine operation and status information and be sent to main control singlechip (1-1) are used to sample; Analogue quantity output circuit (1-5) given with the electric welding machine welding current (direct current manual welding machine) or the wire feed rate given (shielded welding) be made up of two DAC0832 (U20, U21) and peripheral cell thereof link to each other, and main being responsible for becomes the standard in the electric welding machine controlled variable storer (1-3) into the actual network electric welding machine of exporting to.
Fig. 4 and circuit shown in Figure 5 can be arranged on the control panel, and the core of control panel is single-chip microcomputer U1, are used for all basic functions of Control Network electric welding machine.The controlled variable of whole network electric welding machine all leaves among the U4, and all controlled variable of network electric welding machine are taken from U4.The network communication function of electric welding machine is finished by U17, during network communication, the parameter that is sent by U17 is stored among the U4, after communication is finished, electric welding machine adopts the new argument of preserving among the U4 to finish Control work, and main control singlechip U1 presses certain hour gap periods ground transmits electric welding machine to network communication gateway (2) by U17 operational factor.
As shown in Figure 3, the network communication gateway (2) of network electric welding machine is made up of gateway single-chip microcomputer (2-1), second communication interface (2-2), ethernet communication interface (2-3), connector (2-4), wherein connector (2-4) is a standard RJ45 connector, connector (2-4) connects field management computing machine (3), and gateway single-chip microcomputer (IC1) is by control module (1) exchange message of communication chip (IC3) with the electric welding machine of second communication interface (2-2).
As Fig. 3, shown in Figure 6, network electric welding machine network communication gateway mainly comprises: the gateway single-chip microcomputer (2-1) that is connected and composed by 89C51 (IC1) and peripheral cell thereof; RS232 second communication interface (2-2) that connects and composes by MAX232 (IC3) and peripheral cell thereof; The ethernet communication interface (2-3) that connects to form by RTL8019AS (IC2) and peripheral cell thereof.Connector JP1 in the connector COM connection layout 4 among Fig. 6 promptly couples together the control module (1) of network electric welding machine by RS232 with network communication gateway (2), connector RJ45 connects field management computing machine (3) by twisted-pair feeder.The network communication gateway serves as the control core with gateway single-chip microcomputer (2-1), and it is by the control module exchange message of second communication interface (2-2) with electric welding machine.IC2 is a dedicated network control chip, is responsible for the Ethernet Control on Communication.
The address of electric welding machine in network also determined by network communication gateway (2), employing be the IP address system, each piece electric welding machine network control module can IP address of unique setting and subnet mask, thus can be in network unique identification electric welding machine node.Many electric welding machines can networking, and the net connection medium adopts unshielded twisted pair, and maximum to connect distance be 100 meters, and available repeater prolongs communication distance, adopts stelliform connection topology configuration, and the center node of star topology is switch or hub.It is field management computing machine (3) that a node must be arranged in the network of the same network segment, and the electric welding machine network is managed.A presence server can only be managed a network segment, can support 253 electric welding machine nodes in the network segment at most.The welding conditions storehouse is installed on the welding conditions database server (5), and welding conditions database server (5) can also can be Remote Node RN for local node, with the electric welding machine network can be not at the same network segment.
Field management computing machine (3) is finished the initialization procedure of electric welding machine node in the network.Initialization procedure is mainly finished the IP address care label of electric welding machine and the setting of subnet mask.Field management computing machine (3) also can be finished the scanning monitor procedure of maximum 253 electric welding machines.
The operator number is input to Welder's piece number and weld seam in the network electric welding machine control module (1) by keyboard, being sent to the RS232 serial ports behind the information coding of network electric welding machine control module (1) with input carries out protocol conversion through network communication gateway (2) again and is sent to field management computing machine (3) for the signal of supporting the ICP/IP protocol standard through twisted-pair feeder, field management computing machine (3) passes through public network (4) with the information of input, with worker's piece number and weld seam number is that index retrieves from welding conditions database server (5) and sends to the network communication gateway (2) that is connected with electric welding machine accordingly behind the corresponding standard coding, network communication gateway (2) sends data in the electric welding machine controlled variable storer (1-3) of network electric welding machine control module (1), be applied to then on the welding machine, finish from the process of network data library call standard.If number from welding conditions database server (5), do not retrieve corresponding standard according to worker's piece number and weld seam, then identical with aforementioned process by process, just return error message, prompting is re-entered or is withdrawed from.
After welding process began, the electric welding machine that is welding in field management computing machine (3) the timing scan network, and after welding conditions are sampled deposited each sampled data in the welding conditions database server (5) detection database.
The welding conditions database is installed in the welding conditions database server (5) and is detected database, they adopt the Web Database Systems, according to the job specification difference, the user is divided into three kinds of different authorities, they are: the power user, mainly the welding normative database is safeguarded, revises, added and deletion etc., this user is mainly technology establishment, the personnel of maintenance department; The welding conditions database can be browsed by domestic consumer, and this user is mainly the welding site operation personnel; Detect the user, can only browse the detection database.
Claims (7)
1, the electric welding machine network control system, it is characterized in that this system is by network electric welding machine control module (1), network communication gateway (2), field management computing machine (3), public network (4), welding conditions database server (5) is formed, control module (1) is arranged in the rack of electric welding machine, network communication gateway (2) is arranged in the rack of electric welding machine, perhaps be arranged on outside the rack of electric welding machine, control module (1) is connected with network communication gateway (2) by first communication interface (1-2), network communication gateway (2) is connected with field management computing machine (3), and field management computing machine (3) is connected with welding conditions database server (5) by public network (4).
2, electric welding machine network control system according to claim 1, it is characterized in that network electric welding machine control module (1) is by main control singlechip (1-1), first communication interface (1-2), electric welding machine controlled variable storer (1-3), digital quantity output circuit (1-4), analogue quantity output circuit (1-5), analog acquisition circuit (1-6), display (1-7), keyboard input circuit (1-8) is formed, keyboard input circuit (1-8) is sent to main control singlechip (1-1) with the operation information of button, digital quantity output circuit (1-4) is connected with the solid-state relay module by connector realizes switching value control, the weldingvoltage feedback circuit is connected with the welding current shunt in analog acquisition circuit (1-6) and the network electric welding machine, gather electric welding machine operation and status information and be sent to main control singlechip (1-1), analogue quantity output circuit (1-5) is given with the electric welding machine welding current or wire feed rate is given links to each other, and the standard in the electric welding machine controlled variable storer (1-3) is become the actual network electric welding machine of exporting to.
3, electric welding machine network control system according to claim 1, the network communication gateway (2) that it is characterized in that the network electric welding machine is made up of gateway single-chip microcomputer (2-1), second communication interface (2-2), ethernet communication interface (2-3), connector (2-4), wherein connector (2-4) is a standard RJ45 connector, connector (2-4) connects field management computing machine (3), and gateway single-chip microcomputer (2-1) is by control module (1) exchange message of communication chip (IC3) with the electric welding machine of second communication interface (2-2).
4, electric welding machine network control system according to claim 2, it is characterized in that main control singlechip (1-1) is connected and composed by W78E58 (U1) and peripheral cell thereof, first communication interface (1-2) is connected and composed by MAX232 (U17) and peripheral cell thereof, electric welding machine controlled variable storer (1-3) is connected and composed by 27128 (U4) and peripheral cell thereof, display (1-7) is by display driver chip 6963C and adopt 128 * 64 dot matrix LCD display U7 and peripheral cell thereof to connect and compose, keyboard input circuit (1-8) is connected and composed by 8279 (U19) and peripheral cell thereof, digital quantity output circuit (1-4) is made up of 8255 (U5) and peripheral cell thereof, analog acquisition circuit (1-6) is made up of AD574 (U15) and peripheral cell thereof, and analogue quantity output circuit (1-5) is by two DAC0832 (U20, U21) and peripheral cell form.
5, network electric welding machine control system according to claim 3, it is characterized in that gateway single-chip microcomputer (2-1) is connected and composed by 89C51 (IC1) and peripheral cell thereof, second communication interface (2-2) is the RS232 communication interface that is connected and composed by MAX232 (IC3) and peripheral cell thereof, ethernet communication interface (2-3) is made up of RTL8019AS (IC2) and peripheral cell thereof, couple together with network communication gateway (2) by the control module (1) of RS232 communication interface the network electric welding machine, connector (2-4) is the RJ45 connector, connects field management computing machine (3) by twisted-pair feeder.
6, the control method of network electric welding machine is characterized in that:
A. an IP address code is set and is stored in the network communication gateway (2) of network electric welding machine network control system for each network electric welding machine;
B. the weldering piece number that will import by keyboard input circuit (1-8) of operator and weld seam number send field management computing machine (3) to by network communication gateway (2);
C. be connected with welding conditions database server (5) by Ethernet by field management computing machine (3), number from database, determine welding conditions according to given weldering piece number and weld seam, send network electric welding machine control module (1) to and be stored in the electric welding machine controlled variable storer (1-3) through Ethernet and field management computing machine (3) and network communication gateway (2);
D. the parameter of being pressed in the electric welding machine controlled variable storer (1-3) by network electric welding machine control module (1) control electric welding machine is moved.
7, according to the control method of the described network electric welding machine of claim 6, it is characterized in that: at the electric welding machine run duration, network electric welding machine control module (1) periodically is sent to network communication gateway (2) with the actual operation parameters of electric welding machine, sends the history parameters of welding conditions database server (5) record electric welding machine to by field management computing machine (3) via network communication gateway (2).
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| CN 200310122221 CN1282097C (en) | 2003-12-16 | 2003-12-16 | Network electric welding machine control system and its control method |
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| CN 200310122221 CN1282097C (en) | 2003-12-16 | 2003-12-16 | Network electric welding machine control system and its control method |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20110240620A1 (en) * | 2010-04-05 | 2011-10-06 | Illinois Tool Works Inc. | Welding system and method utilizing internal ethernet communications |
| US9511444B2 (en) * | 2011-07-15 | 2016-12-06 | Illinois Tool Works Inc. | Digital communication based arc control welding system and method |
| CN102528227A (en) * | 2012-03-01 | 2012-07-04 | 天津大学 | Welding equipment network monitoring device and control method thereof |
| CN103817405A (en) * | 2012-11-18 | 2014-05-28 | 盐城鼎力达焊接科技有限公司 | Remote wireless smart control device of MIG type high-frequency inversion direct-current welding machine |
| US9684303B2 (en) * | 2013-03-15 | 2017-06-20 | Illinois Tool Works Inc. | Welding resource tracking and analysis system and method |
| CN103551709B (en) * | 2013-11-16 | 2015-04-22 | 沈阳工业大学 | Welding joint forming detection device and method for A-TIG welding |
| CN105057928A (en) * | 2015-07-20 | 2015-11-18 | 北人机器人***（苏州）有限公司 | Information management system of welding production line |
| CN106325247B (en) * | 2016-08-29 | 2019-04-23 | 中国一冶集团有限公司 | Electric welder at construction site information dynamic management device, system and method |
| CN108381007A (en) * | 2018-04-18 | 2018-08-10 | 台州益孚电气科技有限公司 | A kind of digitlization of low cost, internet welding machine and its control method |
| CN109814433A (en) * | 2018-12-18 | 2019-05-28 | 天津工程机械研究院有限公司 | The data-sharing systems and method of welding production |
| DE102020130466A1 (en) * | 2020-11-18 | 2022-05-19 | Ersa Gmbh | Network for controlling soldering systems and method therefor |
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| CF01 | Termination of patent right due to non-payment of annual fee |