CN100534692C - Gas protected tungsten pole argon arc welding automatic controlled system adapter - Google Patents
Gas protected tungsten pole argon arc welding automatic controlled system adapter Download PDFInfo
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- CN100534692C CN100534692C CNB2007101721553A CN200710172155A CN100534692C CN 100534692 C CN100534692 C CN 100534692C CN B2007101721553 A CNB2007101721553 A CN B2007101721553A CN 200710172155 A CN200710172155 A CN 200710172155A CN 100534692 C CN100534692 C CN 100534692C
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Abstract
An automatic control system commutator for an air protection argon tungsten-arc welding in the technical field of welding includes a welding power interface circuit, a manual control circuit, an automatic control circuit, a computer interface circuit, a first shift switch, a second shift switch and a third shift switch used for connecting a welding power and a computer during the welding process of the air protection argon tungsten-arc welding and realizing the automatic control and manual control of the computer to the welding process. The invention adjusts a welding current and the size of a wire feeding speed in real time through the computer during the welding process and gets the welding process state information like arc starting, arc failure and pulse coming, etc., in the air protection argon tungsten-arc welding process in real time and realizes the effectively automatic control on the welding process.
Description
Technical field
The present invention relates to a kind of device of welding technology field, specifically is a kind of gas protected tungsten pole argon arc welding (GTAW) automatic controlled system adapter.
Background technology
At present, the most manual control modes that adopt of the welding machine that uses in the industrial production.Along with Development of Welding Technology, press for smart machine such as use a computer and come welding process is controlled automatically.Usually use a computer welding process is controlled automatically, need Usage data collection card or computed I/O mouth to be connected the back with the source of welding current and welding process is controlled and detected by programming.Owing to have interference such as high frequency, high pressure in the welding process,, will cause huge infringement to computer if computer directly is connected with the source of welding current.So need built-up circuit of design that computer is connected so that welding process is control effectively with the source of welding current.
Through the prior art literature search is found, people such as Fang Yong are published in " electric welding machine " (2003, Vol32, No.6:9～13) " the two-sided automatic TIG vertical position welding process microcomputer control " on, introduced a kind of control system in this article, the Control Welding Process part in this system comprises that mainly the setting of pulse current and wire feed rate control system two parts constitute.Computer is connected to the control of finishing the paired pulses welding current on the manual control box by transformation to manual control box.Adopt an armature voltage degeneration factor to finish control function to wire feed rate.But this system can only the paired pulses welding process control automatically, can not control exchanging welding process, and this system does not possess starting the arc process control function, still needs starting the arc process is manually controlled.In addition, this system does not possess the automatic measuring ability of welding process state, can not detect the welding process state in real time, therefore can not control effectively to welding process.This system is thoroughly removed manual control circuit, and needs go back the track remodelling of this system again when needs manually weld, and uses extremely inconvenient.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art; a kind of gas protected tungsten pole argon arc welding welding automatic controlled system adapter is provided; make its transformation of passing through the butt welding machine manual control box and to the application of source of welding current welded condition detection terminal; and design corresponding circuit, realize that the GTAW welding process is manually controlled and the function of computer controlled automatic.
The present invention is achieved by the following technical solutions, the present invention includes: source of welding current interface circuit, manual control circuit, and automatic control circuit, computer interface circuit, first change-over switch, second change-over switch, the 3rd change-over switch, wherein:
Described manual control circuit, comprise: manual welding current control circuit, manual wire-feeding control circuit, starting the arc switch, a selecting side of the manual welding current control circuit and first change-over switch, manually a selecting side of the wire-feeding control circuit and second change-over switch links to each other, and starting the arc switch links to each other with a selecting side of the 3rd change-over switch;
Described source of welding current interface circuit comprises: first aviation plug, second aviation plug, the 3rd aviation plug, the 4th aviation plug, first aviation plug, one end links to each other with 4 core welding currents control socket on the source of welding current, the other end links to each other with the common port of first change-over switch, second aviation plug, one end links to each other with 6 core wire feeds control socket on the source of welding current, the other end links to each other with the common port of second change-over switch, the 3rd aviation plug one end links to each other with starting the arc combined socket and switch on the source of welding current, the other end links to each other with the common port of the 3rd change-over switch, the impulsive synchronization lead-out terminal that the 4th aviation plug one end and the source of welding current provide is used to detect the WCR terminal of the detection starting the arc success on the terminal board of welding process and detects weld pulse links to each other, and the other end links to each other with automatic control circuit;
Described automatic control circuit, comprise: electric current automatic control circuit, wire feed rate control circuit, starting the arc automatic control circuit, welded condition testing circuit, another selecting side and the computer interface circuit of the electric current automatic control circuit and first change-over switch link to each other, another selecting side and the computer interface circuit of the wire feed rate control circuit and second change-over switch link to each other, another selecting side and the computer interface circuit of starting the arc automatic control circuit and the 3rd change-over switch link to each other, and the welded condition testing circuit links to each other with the 4th aviation plug and computer interface circuit.
Described first aviation plug comprises 4 core aviation plugs, on the output of the 1st core and the source of welding current corresponding 4 core welding currents control socket+the 15V output links to each other, the input of the 1st core links to each other with manual welding current control circuit, the output of the 2nd core links to each other with the electric current automatic control circuit of automatic control circuit, the input of the 2nd core links to each other with first change-over switch, the output of the 3rd core links to each other with the electric current automatic control circuit of automatic control circuit, the input of the 3rd core links to each other with first change-over switch, the COM end of corresponding 4 core welding currents control socket links to each other on the output of the 4th core and the source of welding current, and the input of the 4th core links to each other with first change-over switch.
Described second aviation plug comprises 6 core aviation plugs, the manual control end of wire feed of 6 core wire feeds control socket links to each other on the output of the 1st core and the source of welding current, the input of the 1st core links to each other with manual solder wire convey control circuit, another wire feed control end of six core wire feeds control socket links to each other on the output of the 2nd core and the source of welding current, the input of the 2nd core links to each other with manual solder wire convey control circuit, a control end that moves back of corresponding six core wire feeds control socket links to each other on the output of the 3rd core and the source of welding current, input links to each other with manual solder wire convey control circuit, on the output of the 4th core and the source of welding current corresponding six core wire feeds control socket+the 15V output links to each other, the input of the 4th core links to each other with manual solder wire convey control circuit, the wire feed rate control end of six core wire feeds control socket links to each other on the 5th core and the source of welding current, the 5th core input links to each other with manual solder wire convey control circuit, the COM end of six core wire feeds control socket links to each other on the 6th core and the source of welding current, and input links to each other with manual solder wire convey control circuit.
Described the 3rd aviation plug comprises 2 core aviation plugs, a core of corresponding starting the arc combined socket and switch links to each other on the output of the 1st core and the source of welding current, the input of the 1st core links to each other with the 3rd change-over switch, another core of corresponding starting the arc combined socket and switch links to each other on the output of the 2nd core and the source of welding current, and the input of the 2nd core links to each other with the 3rd change-over switch.
Described the 4th aviation plug comprises 4 core aviation plugs, the end that the 1st core output and the source of welding current provide is used to detect the WCR terminal of the detection starting the arc success on the terminal board of welding process links to each other, input and second power supply+5V links to each other, the other end that the output of the 2nd core and the source of welding current provide is used to detect the WCR terminal of the detection starting the arc success on the terminal board of welding process links to each other, input links to each other with welded condition testing circuit in the automatic control circuit, the positive input terminal that the 3rd core output and the source of welding current provide is used to detect the impulsive synchronization lead-out terminal of the detection weld pulse on the terminal board of welding process links to each other, input and second power supply+5V links to each other, the negative input end that the output of the 4th core and the source of welding current provide is used to detect the impulsive synchronization lead-out terminal of the detection weld pulse on the terminal board of welding process links to each other, and input links to each other with welded condition testing circuit in the automatic control circuit.
Described manual welding current control circuit, comprise potentiometer RW1, potentiometer RW2, wherein: potentiometer RW1, RW2 include two ports, the 2nd port of potentiometer RW1, the 2nd port of potentiometer RW2 link to each other with the 1st core input of first aviation plug, and the 3rd port of the 1st port of potentiometer RW1, the 1st port of potentiometer RW2, potentiometer RW1, the 3rd port of potentiometer RW2 all link to each other with first change-over switch.
Described manual wire-feeding control circuit, comprise contact switch S1, contact switch S2 and potentiometer RW3, the end of contact switch S1 links to each other with the input of the 1st core of second aviation plug, the other end links to each other with the 2nd core input of the contact switch S2 and second aviation plug, potentiometer RW3 comprises two ports, the 1st port links to each other with second change-over switch, and the 2nd port links to each other with the input of second aviation plug the 4th core, and the 3rd port links to each other with second change-over switch.
Described starting the arc switch is a contact switch, and its end links to each other with the 2nd port of the 3rd change-over switch, and the other end links to each other with the 5th port of the 3rd change-over switch.
Described electric current automatic control circuit, constitute by background current control circuit and peak point current control circuit, control background current and peak current level respectively, the background current control circuit comprises by amplifier A2, resistance R 2, R5, the filtering holding circuit that capacitor C 2 is formed reaches by amplifier A1, resistance R 1, R3, R4, the filter amplification circuit that capacitor C 1 is formed, the 2nd port of R5 one termination computer interface circuit wherein, the other end and the positive input terminal that meets amplifier A2 after capacitor C 2 links to each other, the other end ground connection of capacitor C 2, the negative input end connecting resistance R2 of amplifier A2, the other end of the resistance R 2 back connecting resistance R4 that links to each other with the output of amplifier A2, R4 and the positive input terminal that meets amplifier A1 after capacitor C 1 links to each other, the other end ground connection of capacitor C 1, the negative input end of amplifier A1 and resistance R 3, after linking to each other, R1 connects the output of A1, output termination first change-over switch of A1; The formation of peak point current control circuit is identical with the background current control circuit, by A4, R7, R10, the filtering holding circuit that C4 forms reaches by A3, R6, R8, R9, the filter amplification circuit that C3 forms is formed, the 3rd port of R10 one termination computer interface circuit wherein, the other end and the positive input terminal that meets amplifier A4 after capacitor C 4 links to each other, the other end ground connection of capacitor C 4, the negative input end connecting resistance R7 of amplifier A4, connecting resistance R9 after the other end of resistance R 7 links to each other with the A4 output, R9 and the positive input terminal that meets amplifier A3 after capacitor C 3 links to each other, the other end ground connection of capacitor C 3, the negative input end of amplifier A3 and resistance R 8, after linking to each other, R6 connects the output of A3, output termination first change-over switch of A3.
Described wire feed rate automatic control circuit, wire feed rate signal when being used to provide welding, constitute by an operational amplification circuit, comprise amplifier A6, resistance R 12, R15, the filtering holding circuit that capacitor C 6 is formed reaches by amplifier A5, resistance R 11, R13, R14, the filter amplification circuit that capacitor C 5 is formed, the 4th port of R15 one termination computer interface circuit wherein, the other end and the positive input terminal that meets amplifier A6 after capacitor C 6 links to each other, the other end ground connection of capacitor C 6, the negative input end connecting resistance R12 of amplifier A6, the other end of the resistance R 12 back connecting resistance R14 that links to each other with output, R14 and the positive input terminal that meets amplifier A5 after capacitor C 5 links to each other, the other end ground connection of capacitor C 5, the negative input end of amplifier A5 and resistance R 13, after linking to each other, R11 connects the output of A5, output termination second change-over switch of A5.
Described starting the arc automatic control circuit, carry out the automatic starting the arc when being used for welding automatically, by relay K 1, Darlington optocoupler U1, diode D1, resistance R 16 is formed, the 6th port of a termination computer interface circuit of resistance R 16 wherein, the input pin anode of another termination Darlington optocoupler U1, the input angle negative terminal of Darlington optocoupler U1 connects the 7th port of computer interface circuit, the output colelctor electrode of Darlington optocoupler U1 connects+the 12V power supply, the output emitter stage connects the negative electrode of diode D1 and the input of relay K 1, the anode of diode D1 links to each other with another input and the ground of relay K 1, and relay K 1 links to each other with the 3rd change-over switch.
Described welded condition testing circuit, welded condition when being used to detect automatic welding, by optocoupler U2, U3, resistance R 17, R18, R19, R20 forms, one end ground connection of resistance R 18, the 9th port of another termination computer interface circuit and the output emitter stage of optocoupler U2, the output colelctor electrode of U2 connects+the 5V power supply, the input pin negativing ending grounding of U2, the positive terminating resistor R17 of the input pin of U2, the input of another termination the 4th aviation plug the 2nd core of R17, one end ground connection of resistance R 20, the 10th port of another termination computer interface circuit and the output emitter stage of optocoupler U3, the output colelctor electrode of U3 connects+the 5V power supply, the input pin negativing ending grounding of U3, the positive terminating resistor R19 of the input angle of U3, the input of another termination the 4th aviation plug the 4th core of R19.
Described first change-over switch, be used to the welding current control circuit when switching automatic welding and manually welding, first change-over switch comprises 9 ports, the 1st port links to each other with 2 cores of first aviation plug, the 2nd port links to each other with the 3rd port of potentiometer RW1 in the manual welding current control circuit, the 3rd port links to each other with the output of amplifier A1 in the automatic current control circuit, 3 cores of the 4th port first aviation plug link to each other, the 5th port links to each other with the 3rd port of potentiometer RW2 in the manual welding current control circuit, the 6th port links to each other with the output of amplifier A3 in the automatic current control circuit, the 7th port links to each other with the 4th core of first aviation plug, the 1st port of potentiometer RW2 in the moving welding current control circuit of the 8th port catcher, the 9th port ground connection;
Described second change-over switch, be used to control the wire feed rate control circuit, second change-over switch comprises 6 ports, the 1st port connects the 5th core of second aviation plug, the 3rd port of potentiometer RW3 in the moving wire-feeding control circuit of the 2nd port catcher, the 3rd port is picked the output of amplifier A5 in the speed automatic control circuit, and the 4th port connects the 6th core of second aviation plug, the 1st port of potentiometer RW3 in the moving wire-feeding control circuit of the 5th port catcher, the 6th port ground connection;
Described the 3rd change-over switch, be used to control starting the arc automatic control circuit, the 3rd change-over switch comprises 6 ports, the 1st port connects the 1st core of the 3rd aviation plug, the 2nd port connects an end of starting the arc switch 1, and the 3rd port connects the output of potentiometer K1 in the starting the arc automatic control circuit, and the 4th port connects the 2nd core of the 3rd aviation plug, the 5th port connects the other end of starting the arc switch, and the 6th port connects the other end of potentiometer K1 output in the starting the arc automatic control circuit.
Described computer interface circuit adopts the RS232-C interface, comprise 10 ports, an end ground connection of the 1st port wherein, the simulation ground of another termination computer data acquiring card, resistance R 5 in the one termination electric current automatic control circuit of the 2nd port, an analog quantity output of another termination data collecting card, resistance R 10 in the one termination electric current automatic control circuit of the 3rd port, an analog quantity output of another termination data collecting card, one termination of the 4th port is picked the resistance R 15 in the automatic control circuit, an analog quantity output of another termination data collecting card, one end ground connection of the 5th port, the simulation ground of another termination data collecting card, resistance R 16 in the one termination starting the arc automatic control circuit of the 6th port, a numeral output of another termination data collecting card, the input pin negative terminal of optocoupler U1 in the 7th port one termination starting the arc automatic control circuit, another termination data acquisition card digital ground, the 8th port one end ground connection, another termination data acquisition card digital ground, the output emitter stage of optocoupler U2 in the 9th port one termination welding state detection circuit, an analog input end of another termination data collecting card, the output emitter stage of optocoupler U3 in the one termination welding state detection circuit of the 10th port, an analog input end of another termination data collecting card.
When the present invention works, when first change-over switch, second change-over switch, when the 3rd change-over switch all switches to manual welded condition, by manual control circuit welding process is manually controlled, by manual welding current control circuit welding current is controlled, at this moment, provide voltage by the source of welding current to potentiometer RW1, RW2 in the manual welding current control circuit, press after by potentiometer RW1, RW2 and to feed back to the source of welding current this voltage-regulation, the voltage swing of regulating is proportional to the size of welding current, whereby the electric current of the source of welding current is controlled.During the pulse welding, the voltage of potentiometer RW1 feedback welds peak point current in order to control impuls, and the voltage of potentiometer RW2 feedback welds background current in order to control impuls; When exchanging welding, the voltage of potentiometer RW2 feedback exchanges welding current in order to control, by manual wire-feeding control circuit wire feed rate is controlled, provide voltage by the wire-feed motor control cabinet of the source of welding current to the potentiometer RW3 of manual wire-feeding control circuit, feed back to the wire-feed motor control cabinet by potentiometer R3 after with this voltage-regulation, the size of the voltage of regulating is proportional to the size of the speed of courting death, so as to wire feed rate is controlled, contact switch S1 is used for the wire feed operation, contact switch S2 is used to move back the silk operation, by the starting the arc switch welding starting the arc breath arc process is controlled, a closure/breakdown action of switch is finished the process of the starting the arc or breath arc.
When first change-over switch, second change-over switch, when the 3rd change-over switch all switches to automatic welded condition, by automatic control circuit welding process is carried out computer controlled automatic by computer, by the electric current automatic control circuit welding current is controlled automatically, aanalogvoltage of analog quantity output output by the computer data acquiring card, offer the welding current control input end of the source of welding current behind the voltage after the electric current automatic control circuit carries out amplification filtering, the electric current automatic control circuit is made up of two identical filter amplification circuit, two analog quantity outputs that connect two-way computer data acquiring card respectively, after amplifying, filtering becomes two voltages, peak point current and background current when being respectively applied for the control impuls welding, when exchanging welding, by the size of background current control circuit control interchange welding current, the peak point current control circuit is inoperative.In the welding process, can adjust the analog quantity output output voltage values of data collecting card in real time, can realize that promptly computer is to welding current (background current, peak point current) size is controlled automatically, by the wire feed rate automatic control circuit wire feed rate is controlled automatically, because wire feed rate is controlled the same identical voltage that needs with welding current control, so the wire feed rate automatic control circuit is taked identical form with the electric current automatic control circuit, provide an analog quantity output by the computer data acquiring card, after the filtering of wire feed rate automatic control circuit is amplified, export to the wire feed rate control end of wire-feed motor control cabinet, can control the size of wire feed rate.In the welding process, adjust the output voltage values of data collecting card analog quantity output in real time, can realize the real-time control of computer the wire feed rate size.By the starting the arc automatic control circuit starting the arc/breath arc process is controlled automatically, give Darlington optocoupler U1 by high level of computer output, drive relay K 1 closure by Darlington optocoupler U1, starting the arc success back computer is exported a low level again and is opened relay K 1 to finish starting the arc process for Darlington optocoupler U1, makes relay K 1 finish a closure/opening process to realize the operation of breath arc by high-low level of computer output equally during the breath arc.Finish automatic detection by the welding process testing circuit to the welding process state, the source of welding current provides one for the binding post that detects the welding process state, this binding post provides a series of switching signal to reflect the welding process state in real time, WCR terminal closure after starting the arc success, impulse duration impulsive synchronization lead-out terminal closure, utilize the real-time detection of these two switching signals realizations to starting the arc success or not and pulse, export to computer after utilizing the welding process state detection circuit that these two switching signals are converted to the high-low level signal, represent starting the arc success or pulse during to high level when COMPUTER DETECTION and arrive, when detecting low level, represent the not starting the arc or do not have the state of pulse.
Compared with prior art, the present invention has following beneficial effect: the present invention has satisfied the demand that the computer butt welding machine is controlled automatically, the present invention has realized the paired pulses welding, has exchanged automatic, the manually control of welding current size and wire feed rate size, realizes the welding process status detection; By the present invention, also the size of welding current and wire feed rate be can in welding process, adjust in real time, and the starting the arc, welding process status informations such as breath arc, pulse arrival in the GTAW process obtained in real time, realize control effectively automatically to welding process.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is the circuit theory diagrams of the manual welding current control circuit of the present invention and first change-over switch;
Fig. 3 is the circuit theory diagrams of the manual wire-feeding control circuit of the present invention and second change-over switch;
Fig. 4 is the circuit theory diagrams of starting the arc switch of the present invention and the 3rd change-over switch;
Fig. 5 is the circuit theory diagrams of electric current automatic control circuit of the present invention;
Fig. 6 is the circuit theory diagrams of wire feed rate automatic control circuit of the present invention;
Fig. 7 is the circuit theory diagrams of starting the arc automatic control circuit of the present invention;
Fig. 8 is the circuit theory diagrams of welded condition testing circuit of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: source of welding current interface circuit 1, manual control circuit 2, and automatic control circuit 3, computer interface circuit 4, first change-over switch 12, second change-over switch 13, the 3rd change-over switch 14, wherein:
Described manual control circuit 2, comprise: manual welding current control circuit 19, manual wire-feeding control circuit 10, starting the arc switch 11, manually a selecting side of the welding current control circuit 19 and first change-over switch 12 links to each other, manually a selecting side of the wire-feeding control circuit 10 and second change-over switch 13 links to each other, and starting the arc switch 11 links to each other with a selecting side of the 3rd change-over switch 14;
Described source of welding current interface circuit 1 comprises: first aviation plug 20, second aviation plug 21, the 3rd aviation plug 22, the 4th aviation plug 23, first aviation plug, 20 1 ends link to each other with 4 core welding currents control socket on the source of welding current, the other end links to each other with the common port of first change-over switch 12, second aviation plug, 21 1 ends link to each other with 6 core wire feeds control socket on the source of welding current, the other end links to each other with the common port of second change-over switch 13, the 3rd aviation plug 22 1 ends link to each other with starting the arc combined socket and switch on the source of welding current, the other end links to each other with the common port of the 3rd change-over switch 14, the impulsive synchronization lead-out terminal that the 4th aviation plug 23 1 ends and the source of welding current provide is used to detect the WCR terminal of the detection starting the arc success on the terminal board of welding process and detects weld pulse links to each other, and the other end links to each other with automatic control circuit 3;
Described automatic control circuit 3, comprise: electric current automatic control circuit 15, wire feed rate control circuit 16, starting the arc automatic control circuit 17, welded condition testing circuit 18, another selecting side and the computer interface circuit 4 of the electric current automatic control circuit 15 and first change-over switch 12 link to each other, another selecting side and the computer interface circuit 4 of the wire feed rate control circuit 16 and second change-over switch 13 link to each other, another selecting side and the computer interface circuit 4 of starting the arc automatic control circuit 17 and the 3rd change-over switch 14 link to each other, and welded condition testing circuit 18 links to each other with the 4th aviation plug 23 and computer interface circuit 4.
Described first aviation plug 20 comprises 4 core aviation plugs, on the output of the 1st core and the source of welding current corresponding 4 core welding currents control socket+the 15V output links to each other, the input of the 1st core links to each other with manual welding current control circuit 19, the output of the 2nd core links to each other with the electric current automatic control circuit 15 of automatic control circuit 3, the input of the 2nd core links to each other with first change-over switch, the output of the 3rd core links to each other with the electric current automatic control circuit 15 of automatic control circuit 3, the output of the 3rd core links to each other with first change-over switch, the COM end of corresponding 4 core welding currents control socket links to each other on the output of the 4th core and the source of welding current, and the output of the 4th core links to each other with first change-over switch.
Described second aviation plug 21 comprises 6 core aviation plugs, the manual control end of wire feed of 6 core wire feeds control socket links to each other on the output of the 1st core and the source of welding current, the input of the 1st core links to each other with manual solder wire convey control circuit 10, another wire feed control end of six core wire feeds control socket links to each other on the output of the 2nd core and the source of welding current, the input of the 2nd core links to each other with manual solder wire convey control circuit 10, a control end that moves back of corresponding six core wire feeds control socket links to each other on the input of the 3rd core and the source of welding current, output links to each other with manual solder wire convey control circuit 10, on the output of the 4th core and the source of welding current corresponding six core wire feeds control socket+the 15V output links to each other, the input of the 4th core links to each other with manual solder wire convey control circuit 10, the wire feed rate control end of six core wire feeds control socket links to each other on the 5th core and the source of welding current, the 5th core input links to each other with manual solder wire convey control circuit 10, the COM end of six core wire feeds control socket links to each other on the 6th core and the source of welding current, and input links to each other with manual solder wire convey control circuit 10.
Described the 3rd aviation plug 22 comprises 2 core aviation plugs, one core of the starting the arc combined socket and switch on the output of the 1st core and the source of welding current links to each other, the input of the 1st core links to each other with the 3rd change-over switch 14, another core of starting the arc combined socket and switch on the output of the 2nd core and the source of welding current links to each other, and the input of the 2nd core links to each other with the 3rd change-over switch 14.
Described the 4th aviation plug 23 comprises 4 core aviation plugs, the end that the 1st core output and the source of welding current provide is used to detect the WCR terminal of the detection starting the arc success on the terminal board of welding process links to each other, input and second power supply+5V links to each other, the other end that the output of the 2nd core and the source of welding current provide is used to detect the WCR terminal of the detection starting the arc success on the terminal board of welding process links to each other, input links to each other with welded condition testing circuit 18 in the automatic control circuit 3, the positive input terminal that the 3rd core output and the source of welding current provide is used to detect the impulsive synchronization lead-out terminal of the detection weld pulse on the terminal board of welding process links to each other, input and second power supply+5V links to each other, the negative input end that the output of the 4th core and the source of welding current provide is used to detect the impulsive synchronization lead-out terminal of the detection weld pulse on the terminal board of welding process links to each other, and input links to each other with welded condition testing circuit 18 in the automatic control circuit 3.
As shown in Figure 2, described manual welding current control circuit 19, comprise potentiometer RW1, potentiometer RW2, wherein: potentiometer RW1, RW2 include two ports, the 2nd port of potentiometer RW1, the 2nd port of potentiometer RW2 link to each other with the 1st core input of first aviation plug 20, and the 3rd port of the 1st port of potentiometer RW1, the 1st port of potentiometer RW2, potentiometer RW1, the 3rd port of potentiometer RW2 all link to each other with first change-over switch 12.
As shown in Figure 3, described manual wire-feeding control circuit 10, comprise contact switch S1, contact switch S2 and potentiometer RW3, the end of contact switch S1 links to each other with the input of the 1st core of second aviation plug 21, the other end links to each other with the 2nd core input of the contact switch S2 and second aviation plug 21, potentiometer RW3 comprises two ports, 5 mouthfuls of the 1st port and second change-over switch 13 link to each other, the 2nd port links to each other with the input of second aviation plug 21 the 4th core, and the 3rd port links to each other with the 2nd port of second change-over switch 13.
As shown in Figure 4, described starting the arc switch 11 is a contact switch, and its end links to each other with the 2nd port of the 3rd change-over switch 14, and the other end links to each other with the 5th port of the 3rd change-over switch 14.
As shown in Figure 5, described electric current automatic control circuit 15, constitute by background current control circuit and peak point current control circuit, control background current and peak current level respectively, shown in Fig. 5 (a), the background current control circuit comprises by amplifier A2, resistance R 2, R5, the filtering holding circuit that capacitor C 2 is formed reaches by amplifier A1, resistance R 1, R3, R4, the filter amplification circuit that capacitor C 1 is formed, the 2nd port of R5 one termination computer interface circuit 4 wherein, the other end and the positive input terminal that meets amplifier A2 after capacitor C 2 links to each other, the other end ground connection of capacitor C 2, the negative input end connecting resistance R2 of amplifier A2, the other end of the resistance R 2 back connecting resistance R4 that links to each other with the output of amplifier A2, R4 and the positive input terminal that meets amplifier A1 after capacitor C 1 links to each other, the other end ground connection of capacitor C 1, the negative input end of amplifier A1 and resistance R 3, after linking to each other, R1 connects the output of A1, the 3rd port of output termination first change-over switch 12 of A1; Shown in Fig. 5 (b), the formation of peak point current control circuit is identical with the background current control circuit, by A4, R7, R10, the filtering holding circuit that C4 forms reaches by A3, R6, R8, R9, the filter amplification circuit that C3 forms is formed, the 3rd port of R10 one termination computer interface circuit 4 wherein, the other end and the positive input terminal that meets amplifier A4 after capacitor C 4 links to each other, the other end ground connection of capacitor C 4, the negative input end connecting resistance R7 of amplifier A4, connecting resistance R9 after the other end of resistance R 7 links to each other with the A4 output, R9 and the positive input terminal that meets amplifier A3 after capacitor C 3 links to each other, the other end ground connection of capacitor C 3, the negative input end of amplifier A3 and resistance R 8, after linking to each other, R6 connects the output of A3, the 6th port of output termination first change-over switch 12 of A3.
As shown in Figure 6, described wire feed rate automatic control circuit 16, wire feed rate signal when being used to provide welding, constitute by an operational amplification circuit, comprise amplifier A6, resistance R 12, R15, the filtering holding circuit that capacitor C 6 is formed reaches by amplifier A5, resistance R 11, R13, R14, the filter amplification circuit that capacitor C 5 is formed, the 4th port of R15 one termination computer interface circuit wherein, the other end and the positive input terminal that meets amplifier A6 after capacitor C 6 links to each other, the other end ground connection of capacitor C 6, connecting resistance R14 after the negative input end connecting resistance R12 of amplifier A6, the other end of resistance R 12 link to each other with amplifier A6 output, R14 and the positive input terminal that meets amplifier A5 after capacitor C 5 links to each other, the other end ground connection of capacitor C 5, the negative input end of amplifier A5 and resistance R 13, after linking to each other, R11 connects the output of A5,3 mouthfuls of output termination second change-over switch 13 of A5.
As shown in Figure 7, described starting the arc automatic control circuit 17, carry out the automatic starting the arc when being used for welding automatically, by relay K 1, Darlington optocoupler U1, diode D1, resistance R 16 is formed, wherein 6 mouthfuls of a termination computer interface circuit 4 of resistance R 16, the input pin anode of another termination Darlington optocoupler U1, the input pin negative terminal of Darlington optocoupler U1 connects 7 mouthfuls of computer interface circuit 4, the output colelctor electrode of Darlington optocoupler U1 connects+the 12V power supply, the output emitter stage connects the negative electrode of diode D1 and the input of relay K 1, the anode of diode D1 links to each other with another input and the ground of relay K 1, and relay K 1 links to each other with the 3rd change-over switch 14.
As shown in Figure 8, described welded condition testing circuit 18, welded condition when being used to detect automatic welding, by optocoupler U2, U3, resistance R 17, R18, R19, R20 forms, one end ground connection of resistance R 18, the 9th port of another termination computer interface circuit 4 and the output emitter stage of optocoupler U2, the output colelctor electrode of U2 connects+the 5V power supply, the input pin negativing ending grounding of U2, the positive terminating resistor R17 of the input pin of U2, the input of another termination the 4th aviation plug 23 the 2nd core of R17, an end ground connection of resistance R 20, the 10th port of another termination computer interface circuit 4 and the output emitter stage of optocoupler U3, the output colelctor electrode of U3 connects+the 5V power supply, the input pin negativing ending grounding of U3, the positive terminating resistor R19 of the input pin of U3, the input of another termination the 4th aviation plug 23 the 4th core of R19.
Described first change-over switch 12, be used to the welding current control circuit when switching automatic welding and manually welding, first change-over switch 12 comprises 9 ports, the 1st port links to each other with 2 cores of first aviation plug 20, the 2nd port links to each other with the 3rd port of potentiometer RW1 in the manual welding current control circuit 19, the 3rd port links to each other with the output of amplifier A1 in the automatic current control circuit 15,3 cores of the 4th port first aviation plug 20 link to each other, the 5th port links to each other with the 3rd port of potentiometer RW2 in the manual welding current control circuit 19, the 6th port links to each other with the output of amplifier A3 in the automatic current control circuit 15, the 7th port links to each other with the 4th core of first aviation plug 20, the 1st port of potentiometer RW2 in the moving welding current control circuit 19 of the 8th port catcher, the 9th port ground connection;
Described second change-over switch 13, be used to control wire feed rate control circuit 16, second change-over switch 13 comprises 6 ports, the 1st port connects the 5th core of second aviation plug 21, in the moving wire-feeding control circuit 10 of the 2nd port catcher 3 mouthfuls of potentiometer RW3, the 3rd port is picked the output of amplifier A5 in the speed automatic control circuit 16, and the 4th port connects the 6th core of second aviation plug 21, in the moving wire-feeding control circuit 10 of the 5th port catcher 1 mouthful of potentiometer RW3, the 6th port ground connection;
Described the 3rd change-over switch 14, be used to control starting the arc automatic control circuit 17, the 3rd change-over switch 14 comprises 6 ports, the 1st port connects the 1st core of the 3rd aviation plug 22, the 2nd port connects an end of starting the arc switch 11, and the 3rd port connects the output of potentiometer K1 in the starting the arc automatic control circuit 17, and the 4th port connects the 2nd core of the 3rd aviation plug 22, the 5th port connects the other end of starting the arc switch 11, and the 6th port connects the other end of potentiometer K1 output in the starting the arc automatic control circuit 17.
Described computer interface circuit 4 adopts the RS232-C interface, comprise 10 ports, an end ground connection of the 1st port wherein, the simulation ground of another termination computer data acquiring card, resistance R 5 in the one termination electric current automatic control circuit 15 of the 2nd port, an analog quantity output of another termination data collecting card, resistance R 10 in the one termination electric current automatic control circuit 15 of the 3rd port, an analog quantity output of another termination data collecting card, one termination of the 4th port is picked the resistance R 15 in the automatic control circuit 16, an analog quantity output of another termination data collecting card, one end ground connection of the 5th port, the simulation ground of another termination data collecting card, resistance R 16 in the one termination starting the arc automatic control circuit 17 of the 6th port, a numeral output of another termination data collecting card, the input pin negative terminal of optocoupler U1 in the 7th port one termination starting the arc automatic control circuit 17, another termination data acquisition card digital ground, the 8th port one end ground connection, another termination data acquisition card digital ground, the output emitter stage of optocoupler U2 in the 9th port one termination welding state detection circuit 18, an analog input end of another termination data collecting card, the output emitter stage of optocoupler U3 in the one termination welding state detection circuit 18 of the 10th port, an analog input end of another termination data collecting card.
During present embodiment work, when first change-over switch 12, second change-over switch 13, when the 3rd change-over switch 14 all switches to manual welded condition, manually control by 2 pairs of welding processes of manual control circuit, control by 19 pairs of welding currents of manual welding current control circuit, at this moment, by the source of welding current to the potentiometer RW1 in the manual welding current control circuit 19, RW2 provides the voltage of one+15V, by potentiometer RW1, RW2 with this voltage-regulation to 0～+ press behind the 15V to feed back to the source of welding current, the voltage swing of regulating is proportional to the size of welding current, whereby the electric current of the source of welding current is controlled.During the pulse welding, the voltage of potentiometer RW1 feedback welds peak point current in order to control impuls, and the voltage of potentiometer RW2 feedback welds background current in order to control impuls; When exchanging welding, the voltage of potentiometer RW2 feedback exchanges welding current in order to control, control by 10 pairs of wires feed rate of manual wire-feeding control circuit, by the wire-feed motor control cabinet of the source of welding current to the potentiometer RW3 of manual wire-feeding control circuit 10 provide one 0～+ voltage of 15V, by potentiometer R3 with this voltage-regulation to 0～+ feed back to the wire-feed motor control cabinet behind the 15V, the size of the voltage of regulating is proportional to the size of the speed of courting death, so as to wire feed rate is controlled, contact switch S1 is used for the wire feed operation, contact switch S2 is used to move back the silk operation, control by 11 pairs of welding of starting the arc switch starting the arc breath arc process, a closure/breakdown action of switch is finished the process of the starting the arc or breath arc.
When first change-over switch 12, second change-over switch 13, when the 3rd change-over switch 14 all switches to automatic welded condition, carry out computer controlled automatic by computer by 3 pairs of welding processes of automatic control circuit, automatically control by 15 pairs of welding currents of electric current automatic control circuit, aanalogvoltage of analog quantity output output by the computer data acquiring card, after carrying out amplification filtering, electric current automatic control circuit 15 converts one 0 to～+ offer the welding current control input end of the source of welding current behind the voltage of 15V, electric current automatic control circuit 15 is made up of two identical filter amplification circuit, two analog quantity outputs that connect two-way computer data acquiring card respectively, after amplifying, filtering becomes two 0～+ voltage of 15V, peak point current and background current when being respectively applied for the control impuls welding, when exchanging welding, by the size of background current control circuit control interchange welding current, the peak point current control circuit is inoperative.In the welding process, can adjust the analog quantity output output voltage values of data collecting card in real time, can realize that promptly computer is to welding current (background current, peak point current) size is controlled automatically, automatically control by 16 pairs of wires feed rate of wire feed rate automatic control circuit, since to wire feed rate control the same with welding current control need one 0～+ voltage of 15V, so wire feed rate automatic control circuit 16 is taked identical form with electric current automatic control circuit 15, provide an analog quantity output by the computer data acquiring card, after 16 filtering of wire feed rate automatic control circuit are amplified, export to the wire feed rate control end of wire-feed motor control cabinet, can control the size of wire feed rate.In the welding process, adjust the output voltage values of data collecting card analog quantity output in real time, can realize the real-time control of computer the wire feed rate size.Automatically control by 17 pairs of starting the arc of starting the arc automatic control circuit/breath arc process, give Darlington optocoupler U1 by high level of computer output, drive relay K 1 closure by Darlington optocoupler U1, starting the arc success back computer is exported a low level again and is opened relay K 1 to finish starting the arc process for Darlington optocoupler U1, makes relay K 1 finish a closure/opening process to realize the operation of breath arc by high-low level of computer output equally during the breath arc.Finish automatic detection by welding process testing circuit 18 to the welding process state, the source of welding current provides one for the binding post that detects the welding process state, this binding post provides a series of switching signal to reflect the welding process state in real time, WCR terminal closure after starting the arc success, impulse duration impulsive synchronization lead-out terminal closure, utilize the real-time detection of these two switching signals realizations to starting the arc success or not and pulse, export to computer after utilizing the welding process state detection circuit that these two switching signals are converted to the high-low level signal, represent starting the arc success or pulse during to high level when COMPUTER DETECTION and arrive, when detecting low level, represent the not starting the arc or do not have the state of pulse.
Though present embodiment detects with pulse signal at manual welding process and automatically welding process and WCR signal and describes, the testing circuit of use present embodiment can also detect other welding process state.In addition, use the various combination of change-over switch, can realize part control and partially manual control function automatically.
Present embodiment is with computer and connecting that the source of welding current effectively is connected, install simple and convenient, satisfied the demand that computer is controlled automatically to welding process, realized manual control simultaneously, can freely switch between welding and the manual welding automatically welding process; Pass through present embodiment, by the automatic starting the arc of computer, in welding process, adjust the size of welding current and wire feed rate, and obtain the welding process status informations such as the starting the arc, breath arc, pulse arrival in the GTAW process in real time, realize control effectively automatically welding process by computer real-time.
Claims (10)
1, a kind of gas protected tungsten pole argon arc welding automatic controlled system adapter; comprise: automatic control circuit, it is characterized in that, also comprise: source of welding current interface circuit, manual control circuit; computer interface circuit, first change-over switch, second change-over switch, the 3rd change-over switch, wherein:
Described manual control circuit comprises: manual welding current control circuit, manual wire-feeding control circuit, starting the arc switch, a selecting side of the manual welding current control circuit and first change-over switch, manually a selecting side of the wire-feeding control circuit and second change-over switch links to each other, and starting the arc switch links to each other with a selecting side of the 3rd change-over switch;
Described source of welding current interface circuit comprises: first aviation plug, second aviation plug, the 3rd aviation plug, the 4th aviation plug, first aviation plug, one end links to each other with 4 core welding currents control socket on the source of welding current, the other end links to each other with the common port of first change-over switch, second aviation plug, one end links to each other with 6 core wire feeds control socket on the source of welding current, the other end links to each other with the common port of second change-over switch, the 3rd aviation plug one end links to each other with starting the arc combined socket and switch on the source of welding current, the other end links to each other with the common port of the 3rd change-over switch, the impulsive synchronization lead-out terminal that the 4th aviation plug one end and the source of welding current provide is used to detect the WCR terminal of the detection starting the arc success on the terminal board of welding process and detects weld pulse links to each other, and the other end links to each other with automatic control circuit;
Described automatic control circuit, comprise: electric current automatic control circuit, wire feed rate control circuit, starting the arc automatic control circuit, welded condition testing circuit, another selecting side and the computer interface circuit of the electric current automatic control circuit and first change-over switch link to each other, another selecting side and the computer interface circuit of the wire feed rate control circuit and second change-over switch link to each other, another selecting side and the computer interface circuit of starting the arc automatic control circuit and the 3rd change-over switch link to each other, and the welded condition testing circuit links to each other with the 4th aviation plug and computer interface circuit.
2, according to right 1 described gas protected tungsten pole argon arc welding automatic controlled system adapter, it is characterized in that, described first aviation plug comprises 4 core aviation plugs, on the output of the 1st core and the source of welding current corresponding 4 core welding currents control socket+the 15V output links to each other, the input of the 1st core links to each other with manual welding current control circuit, the output of the 2nd core links to each other with the electric current automatic control circuit of automatic control circuit, the input of the 2nd core links to each other with first change-over switch, the output of the 3rd core links to each other with the electric current automatic control circuit of automatic control circuit, the output of the 3rd core links to each other with first change-over switch, the COM end of corresponding 4 core welding currents control socket links to each other on the output of the 4th core and the source of welding current, and the output of the 4th core links to each other with first change-over switch;
Described second aviation plug comprises 6 core aviation plugs, the manual control end of wire feed of 6 core wire feeds control socket links to each other on the output of the 1st core and the source of welding current, the input of the 1st core links to each other with manual solder wire convey control circuit, another wire feed control end of six core wire feeds control socket links to each other on the output of the 2nd core and the source of welding current, the input of the 2nd core links to each other with manual solder wire convey control circuit, a control end that moves back of corresponding six core wire feeds control socket links to each other on the input of the 3rd core and the source of welding current, output links to each other with manual solder wire convey control circuit, on the output of the 4th core and the source of welding current corresponding six core wire feeds control socket+the 15V output links to each other, the input of the 4th core links to each other with manual solder wire convey control circuit, the wire feed rate control end of six core wire feeds control socket links to each other on the 5th core and the source of welding current, the 5th core input links to each other with manual solder wire convey control circuit, the COM end of six core wire feeds control socket links to each other on the 6th core and the source of welding current, and input links to each other with manual solder wire convey control circuit;
Described the 3rd aviation plug comprises 2 core aviation plugs, a core of corresponding starting the arc combined socket and switch links to each other on the output of the 1st core and the source of welding current, the input of the 1st core links to each other with the 3rd change-over switch, another core of corresponding starting the arc combined socket and switch links to each other on the output of the 2nd core and the source of welding current, and the input of the 2nd core links to each other with the 3rd change-over switch;
Described the 4th aviation plug comprises 4 core aviation plugs, the end that the 1st core output and the source of welding current provide is used to detect the WCR terminal of the detection starting the arc success on the terminal board of welding process links to each other, input and second power supply+5V links to each other, the other end that the output of the 2nd core and the source of welding current provide is used to detect the WCR terminal of the detection starting the arc success on the terminal board of welding process links to each other, input links to each other with welded condition testing circuit in the automatic control circuit, the positive input terminal that the 3rd core output and the source of welding current provide is used to detect the impulsive synchronization lead-out terminal of the detection weld pulse on the terminal board of welding process links to each other, input and second power supply+5V links to each other, the negative input end that the output of the 4th core and the source of welding current provide is used to detect the impulsive synchronization lead-out terminal of the detection weld pulse on the terminal board of welding process links to each other, and input links to each other with welded condition testing circuit in the automatic control circuit.
3, according to right 1 described gas protected tungsten pole argon arc welding automatic controlled system adapter; it is characterized in that; described manual welding current control circuit; comprise potentiometer RW1, potentiometer RW2; wherein: potentiometer RW1, RW2 include two ports; the 2nd port of potentiometer RW1, the 2nd port of potentiometer RW2 link to each other with the 1st core input of first aviation plug, and the 3rd port of the 1st port of potentiometer RW1, the 1st port of potentiometer RW2, potentiometer RW1, the 3rd port of potentiometer RW2 all link to each other with first change-over switch.
4, according to right 1 described gas protected tungsten pole argon arc welding automatic controlled system adapter, it is characterized in that, described manual wire-feeding control circuit, comprise contact switch S1, contact switch S2 and potentiometer RW3, the end of contact switch S1 links to each other with the input of the 1st core of second aviation plug, the other end links to each other with the 2nd core input of the contact switch S2 and second aviation plug, potentiometer RW3 comprises two ports, the 1st port links to each other with second change-over switch, the 2nd port links to each other with the input of second aviation plug the 4th core, and the 3rd port links to each other with second change-over switch;
Described starting the arc switch is a contact switch, and its end links to each other with the 2nd port of the 3rd change-over switch, and the other end links to each other with the 5th port of the 3rd change-over switch.
5, according to right 1 described gas protected tungsten pole argon arc welding automatic controlled system adapter, it is characterized in that, described electric current automatic control circuit, constitute by background current control circuit and peak point current control circuit, control background current and peak current level respectively, the background current control circuit comprises by amplifier A2, resistance R 2, R5, the filtering holding circuit that capacitor C 2 is formed reaches by amplifier A1, resistance R 1, R3, R4, the filter amplification circuit that capacitor C 1 is formed, the 2nd port of R5 one termination computer interface circuit wherein, the other end and the positive input terminal that meets amplifier A2 after capacitor C 2 links to each other, the other end ground connection of capacitor C 2, the negative input end connecting resistance R2 of amplifier A2, the other end of the resistance R 2 back connecting resistance R4 that links to each other with the output of amplifier A2, R4 and the positive input terminal that meets amplifier A1 after capacitor C 1 links to each other, the other end ground connection of capacitor C 1, the negative input end of amplifier A1 and resistance R 3, after linking to each other, R1 connects the output of A1, output termination first change-over switch of A1; The formation of peak point current control circuit is identical with the background current control circuit, by A4, R7, R10, the filtering holding circuit that C4 forms reaches by A3, R6, R8, R9, the filter amplification circuit that C3 forms is formed, the 3rd port of R10 one termination computer interface circuit wherein, the other end and the positive input terminal that meets amplifier A4 after capacitor C 4 links to each other, the other end ground connection of capacitor C 4, the negative input end connecting resistance R7 of amplifier A4, connecting resistance R9 after the other end of resistance R 7 links to each other with the A4 output, R9 and the positive input terminal that meets amplifier A3 after capacitor C 3 links to each other, the other end ground connection of capacitor C 3, the negative input end of amplifier A3 and resistance R 8, after linking to each other, R6 connects the output of A3, output termination first change-over switch of A3.
6; according to right 1 described gas protected tungsten pole argon arc welding automatic controlled system adapter; it is characterized in that; described wire feed rate automatic control circuit; wire feed rate signal when being used to provide welding; constitute by an operational amplification circuit; comprise amplifier A6; resistance R 12; R15; the filtering holding circuit that capacitor C 6 is formed reaches by amplifier A5; resistance R 11; R13; R14; the filter amplification circuit that capacitor C 5 is formed; the 4th port of R15 one termination computer interface circuit wherein, the other end and the positive input terminal that meets amplifier A6 after capacitor C 6 links to each other, the other end ground connection of capacitor C 6; the negative input end connecting resistance R12 of amplifier A6; the other end of the resistance R 12 back connecting resistance R14 that links to each other with output, R14 and the positive input terminal that meets amplifier A5 after capacitor C 5 links to each other, the other end ground connection of capacitor C 5; the negative input end of amplifier A5 and resistance R 13; after linking to each other, R11 connects the output of A5, output termination second change-over switch of A5.
7; according to right 1 described gas protected tungsten pole argon arc welding automatic controlled system adapter; it is characterized in that; described starting the arc automatic control circuit; carry out the automatic starting the arc when being used for welding automatically; by relay K 1; Darlington optocoupler U1; diode D1; resistance R 16 is formed; wherein 6 mouthfuls of a termination computer interface circuit of resistance R 16; the input pin anode of another termination Darlington optocoupler U1; the input pin negative terminal of Darlington optocoupler U1 connects 7 mouthfuls of computer interface circuit; the output colelctor electrode of Darlington optocoupler U1 connects+the 12V power supply; the output emitter stage connects the negative electrode of diode D1 and the input of relay K 1; the anode of diode D1 links to each other with another input and the ground of relay K 1, and relay K 1 links to each other with the 3rd change-over switch.
8; according to right 1 described gas protected tungsten pole argon arc welding automatic controlled system adapter; it is characterized in that; described welded condition testing circuit; welded condition when being used to detect automatic welding; by optocoupler U2; U3; resistance R 17; R18; R19; R20 forms; one end ground connection of resistance R 18; the 9th port of another termination computer interface circuit and the output emitter stage of optocoupler U2; the positive termination of the input pin of U2+5V power supply; the input pin negativing ending grounding of U2; the positive terminating resistor R17 of the input pin of U2; the input of another termination the 4th aviation plug the 2nd core of R17; one end ground connection of resistance R 20; the 10th port of another termination computer interface circuit and the output emitter stage of optocoupler U3, the output colelctor electrode of U3 connects+the 5V power supply, the input pin negativing ending grounding of U3; the positive terminating resistor R19 of the input pin of U3, the input of another termination the 4th aviation plug the 4th core of R19.
9; according to right 1 described gas protected tungsten pole argon arc welding automatic controlled system adapter; it is characterized in that; described computer interface circuit adopts the RS232-C interface; comprise 10 ports; an end ground connection of the 1st port wherein; the simulation ground of another termination computer data acquiring card; resistance R 5 in the one termination electric current automatic control circuit of the 2nd port; an analog quantity output of another termination data collecting card; resistance R 10 in the one termination electric current automatic control circuit of the 3rd port; an analog quantity output of another termination data collecting card; one termination of the 4th port is picked the resistance R 15 in the automatic control circuit; an analog quantity output of another termination data collecting card; one end ground connection of the 5th port; the simulation ground of another termination data collecting card; resistance R 16 in the one termination starting the arc automatic control circuit of the 6th port; a numeral output of another termination data collecting card; the input pin negative terminal of optocoupler U1 in the 7th port one termination starting the arc automatic control circuit; another termination data acquisition card digital ground; the 8th port one end ground connection; another termination data acquisition card digital ground; the output emitter stage of optocoupler U2 in the 9th port one termination welding state detection circuit; an analog input end of another termination data collecting card; the output emitter stage of optocoupler U3 in the one termination welding state detection circuit of the 10th port, an analog input end of another termination data collecting card.
10, according to right 1 described gas protected tungsten pole argon arc welding automatic controlled system adapter, it is characterized in that, described first change-over switch, be used to the welding current control circuit when switching automatic welding and manually welding, first change-over switch comprises 9 ports, the 1st port links to each other with 2 cores of first aviation plug, the 2nd port links to each other with the 3rd port of potentiometer RW1 in the manual welding current control circuit, the 3rd port links to each other with the output of amplifier A1 in the automatic current control circuit, 3 cores of the 4th port first aviation plug link to each other, the 5th port links to each other with the 3rd port of potentiometer RW2 in the manual welding current control circuit, the 6th port links to each other with the output of amplifier A3 in the automatic current control circuit, the 7th port links to each other with the 4th core of first aviation plug, the 1st port of potentiometer RW2 in the moving welding current control circuit of the 8th port catcher, the 9th port ground connection;
Described second change-over switch, be used to control the wire feed rate control circuit, second change-over switch comprises 6 ports, the 1st port connects the 5th core of second aviation plug, the 3rd port of potentiometer RW3 in the moving wire-feeding control circuit of the 2nd port catcher, the 3rd port is picked the output of amplifier A5 in the speed automatic control circuit, and the 4th port connects the 6th core of second aviation plug, the 1st port of potentiometer RW3 in the moving wire-feeding control circuit of the 5th port catcher, the 6th port ground connection;
Described the 3rd change-over switch, be used to control starting the arc automatic control circuit, the 3rd change-over switch comprises 6 ports, the 1st port connects the 1st core of the 3rd aviation plug, the 2nd port connects an end of starting the arc switch 1, and the 3rd port connects the output of potentiometer K1 in the starting the arc automatic control circuit, and the 4th port connects the 2nd core of the 3rd aviation plug, the 5th port connects the other end of starting the arc switch, and the 6th port connects the other end of potentiometer K1 output in the starting the arc automatic control circuit.
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| CN108326394B (en) * | 2018-03-14 | 2019-11-22 | 上海交通大学 | A kind of welding platform and process monitoring system based on wireless telecommunications |
| CN109396609A (en) * | 2018-10-10 | 2019-03-01 | 中船澄西船舶修造有限公司 | A kind of electric welding machine current control system and its application method |
| CN110877137B (en) * | 2019-11-23 | 2021-08-20 | 上海沪工焊接集团股份有限公司 | Arc striking control method and control system for inverter manual arc welding machine |
-
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Non-Patent Citations (2)
| Title |
|---|
| 双面自动TIG立焊过程微机控制. 方勇等.电焊机，第33卷第6期. 2003 |
| 双面自动TIG立焊过程微机控制. 方勇等.电焊机，第33卷第6期. 2003 * |
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| CN101204754A (en) | 2008-06-25 |
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