CN203649617U - Welding machine capable of remotely regulating electric current - Google Patents
Welding machine capable of remotely regulating electric current Download PDFInfo
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- CN203649617U CN203649617U CN201420055724.1U CN201420055724U CN203649617U CN 203649617 U CN203649617 U CN 203649617U CN 201420055724 U CN201420055724 U CN 201420055724U CN 203649617 U CN203649617 U CN 203649617U
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Abstract
The utility model discloses a welding machine capable of remotely regulating an electric current. The welding machine capable of remotely regulating the electric current comprises a remote control box and a welding machine electrically connected with the remote control box, wherein a regulation signal output circuit is internally installed in the remote control box, a first port of the regulation signal output circuit is used to output welding current regulation signals and thrust current regulation signals, a second port of the regulation signal output circuit is grounded, a control circuit in the welding machine comprises a signal generating circuit and a detecting circuit, an input end of the detecting circuit is connected with an output end of the signal generating circuit and the first port of the regulation signal output circuit, a welding current regulation reference signal is detected and output through a first detecting circuit in the detecting circuit, a thrust current regulation reference signal is detected and output through a second detecting circuit in the detecting circuit, an output electric current of the welding machine is regulated according to the welding current regulation reference signal and the thrust current regulation reference signal, and then different welding requirements are met. Accordingly, the welding machine capable of remotely regulating the electric current greatly reduces production cost, simplifies circuit design, and reduces malfunction occurrence rate due to the fact that a communication requirement can be met only by using a two core cable in the remote control box.
Description
Technical field
The utility model relates to a kind of welding machine.Relate in particular to a kind of welding machine of remote adjusting electric current.
Background technology
Electric welding technology is exactly the abbreviation of arc welding technology, is to utilize electric energy, pressurizes by heating, then makes two or more the molten technology being integrated of weldment.By regulating the electric current of welding machine, can meet different welding demands.When welding, output voltage certainly will reduce, and in order to obtain darker molten bath, certainly will need to improve output voltage and carry out increase of weld current, and this voltage negative feedback control procedure is by push current control.
The welding current of welding machine and push current all can regulate according to the actual requirements.In the time that welding machine is worked,, according to the technical requirement of weldment, regulate at any time the size of welding current and push current, if closely operation, regulate the electric current can be easily, but when long distance work, operating personnel just need to walk up and down to have regulated electric current.When work high above the ground, operating personnel not only need to walk up and down, and also need repeated climbing, just can come the other size of current that regulates of welding machine, therefore have potential safety hazard, have also increased operating personnel's labour intensity.For above-mentioned reasons, some operating personnel dislikes trouble and does not regulate at any time electric current according to actual conditions, will cause the waste of the inferior and energy of welding quality.
In order to address the above problem, someone has produced the motor that can realize remote adjusting electric current, remote-control box is connected with welding machine control circuit by cable, and then welding current and the push current of butt welding machine regulate at a distance, but because the control circuit of welding machine connects more complicated in prior art, remote-control box needs at least 4 core cables just can carry out signal transmission, make production cost higher, and because welding machine control circuit complexity and cable core number are many, in the time that welding machine is worked, each tie point may be owing to producing a variety of causes such as assembling and external condition, produce the bad or cable short circuit of tie point and the fault opening circuit, the directly effect of impact welding.
Utility model content
For this reason, technical problem to be solved in the utility model is in prior art, welding machine control circuit more complicated, when remote-control box regulates electric current at a distance, at least need 4 core cables to carry out signal transmission, make production cost higher, Frequent Troubles, thus the welding machine of the remote adjusting electric current that a kind of cost is low, fault is few is provided.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
The utility model provides a kind of welding machine of remote adjusting electric current, comprise remote-control box and the welding machine with its electrical connection, described remote-control box, built-in conditioning signal output circuit, its first port is used for exporting welding current conditioning signal and push current conditioning signal, its second port ground connection;
Described welding machine, built-in control circuit, it comprises signal generating circuit and testing circuit, the first port of the output port of described signal generating circuit, the input port of described testing circuit and described conditioning signal output circuit is connected;
Described signal generating circuit, exports for generation of square-wave signal and by its output port;
Described testing circuit, comprises the first testing circuit and the second testing circuit;
Described the first testing circuit, the output of described signal generating circuit positive half-wave time period of square-wave signal in, obtain the square-wave signal that comprises described welding current conditioning signal and described push current conditioning signal from the input of described testing circuit, therefrom detect and export welding current and regulate given signal;
Described the second testing circuit, in the negative hemiwave time section of the square-wave signal of exporting at described signal generating circuit, obtain the square-wave signal that comprises described welding current conditioning signal and described push current conditioning signal from the input of described testing circuit, therefrom detect also thrust output electric current and regulate given signal.
The welding machine of remote adjusting electric current described in the utility model, described conditioning signal output circuit comprises potentiometer W3, W4 and diode D4, D5;
The first pin of described potentiometer W3 is connected as the first port of described conditioning signal output circuit with the first pin of described potentiometer W4, the anode of tripod, crus secunda and the described diode D4 of described potentiometer W3 is connected, the negative electrode of described diode D4 is connected with the anode of described diode D5 as the second port of described conditioning signal output circuit, and the negative electrode of tripod, crus secunda and the described diode D5 of described potentiometer W4 is connected.
The welding machine of remote adjusting electric current described in the utility model, described signal generating circuit, described the first testing circuit and described the second testing circuit share a chip LM324, described chip LM324 comprises 14 pins, and the pin 5 of described chip LM324 is the input of described testing circuit;
Described signal generating circuit also comprises resistance R 1, R2, R3, R4 and capacitor C 1;
One end of described resistance R 1 is as the output port of described signal generating circuit, the other end of described resistance R 1, one end of described resistance R 3, the pin 1 of one end of described resistance R 2 and described chip LM324 is connected, the other end of described resistance R 2, the pin 2 of one end of described capacitor C 1 and described chip LM324 is connected, the other end of described resistance R 3, the pin 3 of one end of described resistance R 4 and described chip LM324 is connected, ground connection after the other end of described capacitor C 1 is connected with the other end of described resistance R 4, the pin 4 of described chip LM324 connects positive 15V voltage, its pin 11 connects negative 15V voltage.
The welding machine of remote adjusting electric current described in the utility model, described the first testing circuit also comprises resistance R 5, R6, R7, R8, potentiometer W1 and diode D1;
One end of described resistance R 5, the pin 6 of described chip LM324 and the pin of described chip LM324 7 are connected, the other end of described resistance R 5 is connected with the pin 12 of described chip LM324, the pin 13 of described chip LM324, one end of one end of described resistance R 6 and described resistance R 7 is connected, the other end ground connection of described resistance R 6, the other end of described resistance R 7 is connected with the first pin of described potentiometer W1, the crus secunda of described potentiometer W1, tripod, the negative electrode of one end of described resistance R 8 and described diode D1 is connected, the anode of described diode D1 is connected with the pin 14 of described chip LM324, the other end of described resistance R 8 is used for exporting welding current and regulates given signal.
The welding machine of remote adjusting electric current described in the utility model, described the second testing circuit also comprises resistance R 9, R10, R11, potentiometer W2 and diode D2, D3;
One end of described resistance R 9, the pin 6 of described chip LM324 and the pin of described chip LM324 7 are connected, the other end of described resistance R 9, the pin 9 of described chip LM324, one end of the anode of described diode D3 and described resistance R 10 is connected, pin 10 ground connection of described chip LM324, the negative electrode of described diode D3, the pin 8 of the anode of described diode D2 and described chip LM324 is connected, the other end of described resistance R 10 is connected with the first pin of described potentiometer W2, the crus secunda of described potentiometer W2, tripod, one end of the negative electrode of described diode D2 and described resistance R 11 is connected, the other end of described resistance R 11 regulates given signal for thrust output electric current.
The welding machine of remote adjusting electric current described in the utility model, the first port of described conditioning signal output circuit is connected with a heart yearn of 2 core cables, its second port is connected with another heart yearn of same one end, and described 2 core cables are connected with described testing circuit with aviation socket by the aviation plug matching away from one end of described remote-control box.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) welding machine of remote adjusting electric current described in the utility model, comprise remote-control box and the welding machine with its electrical connection, and the built-in conditioning signal output circuit of described remote-control box only has two ports, wherein the first port is used for exporting welding current conditioning signal and push current conditioning signal, control circuit in welding machine comprises signal generating circuit and testing circuit, wherein the first port of the input of testing circuit and the output of signal generating circuit and conditioning signal output circuit is connected, what therefore the input of described testing circuit obtained is the square-wave signal that has comprised described welding current conditioning signal and push current conditioning signal, it first testing circuit comprising therefrom detects and exports welding current and regulates given signal, it second testing circuit comprising therefrom detects and thrust output electric current regulates given signal, and control accordingly the output current of welding machine, and then meet different welding demands.Therefore, the welding machine of remote adjusting electric current described in the utility model, described remote-control box only needs two lead-out wires, therefore select 2 core cables can meet communication requirement, in prior art, at least need the above cable of 4 core to carry out signal transmission, greatly reduce production cost, simplified circuit design, reduced rate of breakdown.
(2) welding machine of remote adjusting electric current described in the utility model, in the built-in conditioning signal output circuit of described remote-control box, be connected as the first port of conditioning signal output circuit by the first pin of potentiometer W3 and the first pin of potentiometer W4, after the negative electrode of diode D4 is connected with the anode of diode D5, ground connection is as the second port of conditioning signal output circuit, wherein, the first port, potentiometer W3, diode D4 and the second port form the loop that welding current regulates, only has in the time that the first port is high level this loop conducting; The second port, diode D5, potentiometer W4 and the first port form the loop that push current regulates, and only have in the time that the first port is low level this loop conducting.When use, the crus secunda of potentiometer W3 is drawn and connect welding current adjusting button, the crus secunda of potentiometer W4 is drawn and connect push current adjusting button, operating personnel are by regulating welding current to regulate button and push current to regulate button, can change the effective resistance of potentiometer W3 and potentiometer W4, and then export corresponding welding current conditioning signal and push current conditioning signal, the benchmark regulating as welding current, operates very easy.Operating personnel only need carry remote-control box and welding gun can be in the time of remote and overhead welding, regulate button and push current to regulate button by the welding current of adjusting remote box, realize the welding current of butt welding machine and the adjusting of push current, meet different welding demands.
(3) welding machine of remote adjusting electric current described in the utility model, described signal generating circuit is by resistance R 2, R3, R4, capacitor C 1, the pin 1 of chip LM324, pin 2 and pin 3 connect to form the oscillating circuit of fixed frequency, now, the pin 1 of chip LM324 will produce stable square-wave signal and export by the other end of resistance R 1, and be connected with the first port of conditioning signal output circuit, by this design, in the time that square wave is positive half-wave, in conditioning signal output circuit by the first port, potentiometer W3, the welding current regulating loop conducting that diode D4 and the second port form, in the time that square wave is negative half-wave, in conditioning signal output circuit by the second port, diode D5, the push current regulating loop conducting that potentiometer W4 and the first port form, for good basis has been established in the welding current conditioning signal in later stage and the detection of push current conditioning signal, being conducive to testing circuit detects and exports welding current and regulate given signal and push current to regulate given signal.
(4) welding machine of remote adjusting electric current described in the utility model, the pin 5 of described chip LM324 is the input of described testing circuit, therefore, what the pin 5 of described chip LM324 obtained is the square-wave signal that comprises welding current conditioning signal and push current conditioning signal, according to the function of chip LM324, when its pin 6 is connected with pin 7, the pin 5 of chip LM324, pin 6 and pin 7 form voltage follower, now, pin 5, pin 6 is consistent with the polarity of pin 7, also be that its pin 5 is high level, its pin 7 is also high level, its pin 5 is low level, its pin 7 is also low level, in the time that the pin 5 of chip LM324 is high level, in conditioning signal output circuit by the first port, potentiometer W3, the welding current regulating loop conducting that diode D4 and the second port form, also be that the square wave that produces of signal generating circuit is while being positive half-wave, what testing circuit detected is welding current conditioning signal, now the pin 7 of chip LM324 is also high level, the pin 12 being connected with pin 7 through resistance R 5 is also high level, according to the function of chip LM324, its pin 12, pin 13 and pin 14 form forward amplifier, can after amplifying, the welding current conditioning signal detecting regulate given signal as welding current, to meet the threshold value of control circuit regulation and control, its multiplication factor be resistance R 7 and potentiometer W1 effective resistance and with the ratio of resistance R 5.In the time that pin 12 is high level, pin 14 is also high level, and now diode D1 forward conduction can regulate described welding current given signal output through the other end of resistance R 8, in the time that the pin 5 of chip LM324 is low level, in conditioning signal output circuit by the second port, diode D5, the push current regulating loop conducting that potentiometer W4 and the first port form, also be that the square wave that signal generating circuit produces is while bearing half-wave, what testing circuit detected is push current conditioning signal, now the pin 7 of chip LM324 is also low level, the pin 9 being connected with pin 7 through resistance R 9 is also low level, according to the function of chip LM324, its pin 9, pin 10 and pin 8 form sign-changing amplifier, can after amplifying, the push current conditioning signal detecting regulate given signal as push current, to meet the threshold value of control circuit regulation and control, its multiplication factor be resistance R 10 and potentiometer W2 effective resistance and with the ratio of resistance R 9.In the time that pin 9 is low level, pin 8 is high level, and now diode D2 forward conduction can regulate described push current given signal output through the other end of resistance R 11.
Therefore, the welding machine of remote adjusting electric current described in the utility model, can detect accurately welding current and regulate given signal and push current to regulate given signal, for the regulation and control of later stage welding current provide reference frame accurately, improve the quality of welding.
(5) welding machine of remote adjusting electric current described in the utility model, the 2 core cables that described remote-control box is drawn are by the aviation plug and the aviation socket detection circuit for access that match, reduced noise jamming, signal transmission effect is very good, has promoted the quality of welding.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the circuit structure block diagram of the welding machine of remote adjusting electric current described in the utility model;
Fig. 2 is the circuit theory diagrams of the conditioning signal output circuit of the welding machine of remote adjusting electric current described in the utility model;
Fig. 3 is the circuit theory diagrams of the signal generating circuit of the welding machine of remote adjusting electric current described in the utility model;
Fig. 4 is the circuit theory diagrams of the testing circuit of the welding machine of remote adjusting electric current described in the utility model.
In figure, Reference numeral is expressed as: 1-conditioning signal output circuit, 2-control circuit, 21-signal generating circuit, 22-testing circuit, 221-the first testing circuit, 222-the second testing circuit.
Detailed description of the invention
The present embodiment provides a kind of welding machine of remote adjusting electric current, as shown in Figure 1, comprise remote-control box and the welding machine with its electrical connection, described remote-control box, built-in conditioning signal output circuit 1, its first port is used for exporting welding current conditioning signal and push current conditioning signal, its second port ground connection.
Described welding machine, built-in control circuit 2, it comprises signal generating circuit 21 and testing circuit 22, the first port of the output port of described signal generating circuit 21, the input port of described testing circuit 22 and described conditioning signal output circuit 1 is connected.
Described signal generating circuit 21, exports for generation of square-wave signal and by its output port.
Described testing circuit 22, comprises the first testing circuit 221 and the second testing circuit 222.
Described the first testing circuit 221, export at described signal generating circuit 21 positive half-wave time period of square-wave signal in, obtain the square-wave signal that comprises described welding current conditioning signal and described push current conditioning signal from the input of described testing circuit 22, therefrom detect and export welding current and regulate given signal.
Described the second testing circuit 222, in the negative hemiwave time section of the square-wave signal of exporting at described signal generating circuit 21, obtain the square-wave signal that comprises described welding current conditioning signal and described push current conditioning signal from the input of described testing circuit 22, therefrom detect also thrust output electric current and regulate given signal.
The welding machine of the remote adjusting electric current described in the present embodiment, what the input of described testing circuit 22 obtained is the square-wave signal that comprises described welding current conditioning signal and push current conditioning signal, it first testing circuit 221 comprising therefrom detects and exports welding current and regulates given signal, it second testing circuit 222 comprising therefrom detects and thrust output electric current regulates given signal, and control accordingly the output current of welding machine, and then meet different welding demands.Therefore, the welding machine of the remote adjusting electric current described in the present embodiment, described remote-control box only needs two lead-out wires, therefore select 2 core cables can meet communication requirement, in prior art, at least need the above cable of 4 core to carry out signal transmission, greatly reduce production cost, simplified circuit design, reduced rate of breakdown.
On the basis of embodiment 1, the welding machine of the remote adjusting electric current described in the present embodiment, as shown in Figure 2, described conditioning signal output circuit 1 comprises potentiometer W3, W4 and diode D4, D5.
The first pin of described potentiometer W3 is connected as the first port of described conditioning signal output circuit 1 with the first pin of described potentiometer W4, the anode of tripod, crus secunda and the described diode D4 of described potentiometer W3 is connected, the negative electrode of described diode D4 is connected with the anode of described diode D5 as the second port of described conditioning signal output circuit 1, and the negative electrode of tripod, crus secunda and the described diode D5 of described potentiometer W4 is connected.
The welding machine of the remote adjusting electric current described in the present embodiment, in the built-in conditioning signal output circuit 1 of described remote-control box, be connected as the first port of conditioning signal output circuit 1 by the first pin of potentiometer W3 and the first pin of potentiometer W4, after the negative electrode of diode D4 is connected with the anode of diode D5, ground connection is as the second port of conditioning signal output circuit 1, wherein, the first port, potentiometer W3, diode D4 and the second port form the loop that welding current regulates, only has in the time that the first port is high level the just conducting of this loop; The second port, diode D5, potentiometer W4 and the first port form the loop that push current regulates, and only have in the time that the first port is low level the just conducting of this loop.When use, the crus secunda of potentiometer W3 is drawn and connect welding current adjusting button, the crus secunda of potentiometer W4 is drawn and connect push current adjusting button, operating personnel are arranged at the lip-deep welding current of remote-control box by adjusting and regulate button and push current to regulate button, can change the effective resistance of potentiometer W3 and potentiometer W4, and then export corresponding welding current conditioning signal and push current conditioning signal, the benchmark regulating as welding current, operates very easy.Operating personnel only need carry remote-control box and welding gun can be in the time of remote and overhead welding, regulate button and push current to regulate button by the welding current of adjusting remote box, realize the welding current of butt welding machine and the adjusting of push current, meet different welding demands.
On the basis of embodiment 1 or embodiment 2, the welding machine of the remote adjusting electric current described in the present embodiment, as shown in Figure 3, Figure 4, described signal generating circuit 21, described the first testing circuit 221 and described the second testing circuit 222 share a chip LM324, described chip LM324 comprises 14 pins, and the pin 5 of described chip LM324 is the input of described testing circuit 22.
Described signal generating circuit 21 also comprises resistance R 1, R2, R3, R4 and capacitor C 1.
One end of described resistance R 1 is as the output port of described signal generating circuit 21, the other end of described resistance R 1, one end of described resistance R 3, the pin 1 of one end of described resistance R 2 and described chip LM324 is connected, the other end of described resistance R 2, the pin 2 of one end of described capacitor C 1 and described chip LM324 is connected, the other end of described resistance R 3, the pin 3 of one end of described resistance R 4 and described chip LM324 is connected, ground connection after the other end of described capacitor C 1 is connected with the other end of described resistance R 4, the pin 4 of described chip LM324 connects positive 15V voltage, its pin 11 connects negative 15V voltage.
As shown in Figure 3, the welding machine of the remote adjusting electric current described in the present embodiment, one end of described resistance R 1 is the output port of described signal generating circuit 21, the first port with described conditioning signal output circuit 1, also the first pin of described potentiometer W3 and the first pin of described potentiometer W4 that are connected, and the input of described testing circuit 22, be also that the pin 5 of described chip LM324 intersects at A point.Therefore, the input of described testing circuit 22, be also the pin 5 of described chip LM324 receive be the square-wave signal that has comprised welding current conditioning signal and push current conditioning signal.
The welding machine of the remote adjusting electric current described in the present embodiment, described signal generating circuit 21 is by resistance R 2, R3, R4, capacitor C 1, the pin 1 of chip LM324, pin 2 and pin 3 connect to form the oscillating circuit of fixed frequency, now, the pin 1 of chip LM324 will produce stable square-wave signal and export by the other end of resistance R 1, and be connected with the first port of conditioning signal output circuit 1, by this design, in the time that square wave is positive half-wave, in conditioning signal output circuit 1 by the first port, potentiometer W3, the welding current regulating loop conducting that diode D4 and the second port form, in the time that square wave is negative half-wave, in conditioning signal output circuit by the second port, diode D5, the push current regulating loop conducting that potentiometer W4 and the first port form, for good basis has been established in the welding current conditioning signal in later stage and the detection of push current conditioning signal, being conducive to testing circuit 22 detects and exports welding current and regulate given signal and push current to regulate given signal.
On the basis of embodiment 1-embodiment 3 arbitrary described embodiment, the welding machine of the remote adjusting electric current described in the present embodiment, as shown in Figure 4, described the first testing circuit 221 also comprises resistance R 5, R6, R7, R8, potentiometer W1 and diode D1.
One end of described resistance R 5, the pin 6 of described chip LM324 and the pin of described chip LM324 7 are connected, the other end of described resistance R 5 is connected with the pin 12 of described chip LM324, the pin 13 of described chip LM324, one end of one end of described resistance R 6 and described resistance R 7 is connected, the other end ground connection of described resistance R 6, the other end of described resistance R 7 is connected with the first pin of described potentiometer W1, the crus secunda of described potentiometer W1, tripod, the negative electrode of one end of described resistance R 8 and described diode D1 is connected, the anode of described diode D1 is connected with the pin 14 of described chip LM324, the other end of described resistance R 8 is used for exporting welding current and regulates given signal.
The welding machine of the remote adjusting electric current described in the present embodiment, described the second testing circuit 222 also comprises resistance R 9, R10, R11, potentiometer W2 and diode D2, D3.
One end of described resistance R 9, the pin 6 of described chip LM324 and the pin of described chip LM324 7 are connected, the other end of described resistance R 9, the pin 9 of described chip LM324, one end of the anode of described diode D3 and described resistance R 10 is connected, pin 10 ground connection of described chip LM324, the negative electrode of described diode D3, the pin 8 of the anode of described diode D2 and described chip LM324 is connected, the other end of described resistance R 10 is connected with the first pin of described potentiometer W2, the crus secunda of described potentiometer W2, tripod, one end of the negative electrode of described diode D2 and described resistance R 11 is connected, the other end of described resistance R 11 regulates given signal for thrust output electric current.
The welding machine of the remote adjusting electric current described in the present embodiment, the pin 5 of described chip LM324 is the input of described testing circuit 22, therefore, what the pin 5 of described chip LM324 obtained is the square-wave signal that comprises welding current conditioning signal and push current conditioning signal, according to the function of chip LM324, when its pin 6 is connected with pin 7, the pin 5 of chip LM324, pin 6 and pin 7 form voltage follower IC2B, now, pin 5, pin 6 is consistent with the polarity of pin 7, also be that its pin 5 is high level, its pin 7 is also high level, its pin 5 is low level, its pin 7 is also low level, in the time that the pin 5 of chip LM324 is high level, as shown in Figure 2, in conditioning signal output circuit 1 by the first port, potentiometer W3, the welding current regulating loop conducting that diode D4 and the second port form, also be that square wave that signal generating circuit 21 produces is while being positive half-wave, what testing circuit 22 detected is welding current conditioning signal, now the pin 7 of chip LM324 is also high level, the pin 12 being connected with pin 7 through resistance R 5 is also high level, according to the function of chip LM324, its pin 12, pin 13 and pin 14 form forward amplifier IC2D, can after amplifying, the welding current conditioning signal detecting regulate given signal as welding current, the threshold value regulating and controlling to meet control circuit 2, its multiplication factor be resistance R 7 and potentiometer W1 effective resistance and with the ratio of resistance R 5.In the time that pin 12 is high level, pin 14 is also high level, and now diode D1 forward conduction, through the other end H of resistance R 8, can regulate described welding current given signal output, in the time that the pin 5 of chip LM324 is low level, in conditioning signal output circuit 1 by the second port, diode D5, the push current regulating loop conducting that potentiometer W4 and the first port form, also be that the square wave that signal generating circuit 21 produces is while bearing half-wave, what testing circuit 22 detected is push current conditioning signal, now the pin 7 of chip LM324 is also low level, the pin 9 being connected with pin 7 through resistance R 9 is also low level, according to the function of chip LM324, its pin 9, pin 10 and pin 8 form sign-changing amplifier IC2C, can after amplifying, the push current conditioning signal detecting regulate given signal as push current, the threshold value regulating and controlling to meet control circuit 2, its multiplication factor be resistance R 10 and potentiometer W2 effective resistance and with the ratio of resistance R 9.In the time that pin 9 is low level, pin 8 is high level, and now diode D2 forward conduction, through the other end T of resistance R 11, can regulate described push current given signal output.
Therefore, the welding machine of remote adjusting electric current described in the utility model, can detect accurately welding current and regulate given signal and push current to regulate given signal, for the electric current regulation and control of later stage welding machine provide reference frame accurately, improve the quality of welding.
As one preferred embodiment, the welding machine of the remote adjusting electric current described in the present embodiment, the first port of described conditioning signal output circuit 1 is connected with a heart yearn of 2 core cables, its second port is connected with another heart yearn of same one end, and described 2 core cables are connected with described testing circuit 22 with aviation socket by the aviation plug matching away from one end of described remote-control box.
The welding machine of the remote adjusting electric current described in the present embodiment, the 2 core cables that described remote-control box is drawn, by the aviation plug and the aviation socket detection circuit for access that match, have reduced noise jamming, and signal transmission effect is very good, has promoted the quality of welding.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And among the protection domain that the apparent variation of being extended out thus or variation are still created in the utility model.
Claims (6)
1. a remote welding machine that regulates electric current, comprises remote-control box and the welding machine with its electrical connection, it is characterized in that:
Described remote-control box, built-in conditioning signal output circuit (1), its first port is used for exporting welding current conditioning signal and push current conditioning signal, its second port ground connection;
Described welding machine, built-in control circuit (2), it comprises signal generating circuit (21) and testing circuit (22), and the input port of the output port of described signal generating circuit (21), described testing circuit (22) and the first port of described conditioning signal output circuit (1) are connected;
Described signal generating circuit (21), exports for generation of square-wave signal and by its output port;
Described testing circuit (22), comprises the first testing circuit (221) and the second testing circuit (222);
Described the first testing circuit (221), described signal generating circuit (21) output positive half-wave time period of square-wave signal in, obtain the square-wave signal that comprises described welding current conditioning signal and described push current conditioning signal from the input of described testing circuit (22), therefrom detect and export welding current and regulate given signal;
Described the second testing circuit (222), in the negative hemiwave time section of the square-wave signal of exporting at described signal generating circuit (21), obtain the square-wave signal that comprises described welding current conditioning signal and described push current conditioning signal from the input of described testing circuit (22), therefrom detect also thrust output electric current and regulate given signal.
2. the welding machine of remote adjusting electric current according to claim 1, is characterized in that:
Described conditioning signal output circuit (1) comprises potentiometer W3, W4 and diode D4, D5;
The first pin of described potentiometer W3 is connected as the first port of described conditioning signal output circuit (1) with the first pin of described potentiometer W4, the anode of tripod, crus secunda and the described diode D4 of described potentiometer W3 is connected, the negative electrode of described diode D4 is connected with the anode of described diode D5 as the second port of described conditioning signal output circuit (1), and the negative electrode of tripod, crus secunda and the described diode D5 of described potentiometer W4 is connected.
3. the welding machine of remote adjusting electric current according to claim 1 and 2, is characterized in that:
Described signal generating circuit (21), described the first testing circuit (221) and described the second testing circuit (222) share a chip LM324, described chip LM324 comprises 14 pins, and the pin 5 of described chip LM324 is the input of described testing circuit (22);
Described signal generating circuit (21) also comprises resistance R 1, R2, R3, R4 and capacitor C 1;
One end of described resistance R 1 is as the output port of described signal generating circuit (21), the other end of described resistance R 1, one end of described resistance R 3, the pin 1 of one end of described resistance R 2 and described chip LM324 is connected, the other end of described resistance R 2, the pin 2 of one end of described capacitor C 1 and described chip LM324 is connected, the other end of described resistance R 3, the pin 3 of one end of described resistance R 4 and described chip LM324 is connected, ground connection after the other end of described capacitor C 1 is connected with the other end of described resistance R 4, the pin 4 of described chip LM324 connects positive 15V voltage, its pin 11 connects negative 15V voltage.
4. the welding machine of remote adjusting electric current according to claim 3, is characterized in that:
Described the first testing circuit (221) also comprises resistance R 5, R6, R7, R8, potentiometer W1 and diode D1;
One end of described resistance R 5, the pin 6 of described chip LM324 and the pin of described chip LM324 7 are connected, the other end of described resistance R 5 is connected with the pin 12 of described chip LM324, the pin 13 of described chip LM324, one end of one end of described resistance R 6 and described resistance R 7 is connected, the other end ground connection of described resistance R 6, the other end of described resistance R 7 is connected with the first pin of described potentiometer W1, the crus secunda of described potentiometer W1, tripod, the negative electrode of one end of described resistance R 8 and described diode D1 is connected, the anode of described diode D1 is connected with the pin 14 of described chip LM324, the other end of described resistance R 8 is used for exporting welding current and regulates given signal.
5. the welding machine of remote adjusting electric current according to claim 4, is characterized in that:
Described the second testing circuit (222) also comprises resistance R 9, R10, R11, potentiometer W2 and diode D2, D3;
One end of described resistance R 9, the pin 6 of described chip LM324 and the pin of described chip LM324 7 are connected, the other end of described resistance R 9, the pin 9 of described chip LM324, one end of the anode of described diode D3 and described resistance R 10 is connected, pin 10 ground connection of described chip LM324, the negative electrode of described diode D3, the pin 8 of the anode of described diode D2 and described chip LM324 is connected, the other end of described resistance R 10 is connected with the first pin of described potentiometer W2, the crus secunda of described potentiometer W2, tripod, one end of the negative electrode of described diode D2 and described resistance R 11 is connected, the other end of described resistance R 11 regulates given signal for thrust output electric current.
6. according to the welding machine of the remote adjusting electric current described in claim 4 or 5, it is characterized in that:
The first port of described conditioning signal output circuit (1) is connected with a heart yearn of 2 core cables, its second port is connected with another heart yearn of same one end, and described 2 core cables are connected with described testing circuit (22) with aviation socket by the aviation plug matching away from one end of described remote-control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055724.1U CN203649617U (en) | 2014-01-28 | 2014-01-28 | Welding machine capable of remotely regulating electric current |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055724.1U CN203649617U (en) | 2014-01-28 | 2014-01-28 | Welding machine capable of remotely regulating electric current |
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| CN203649617U true CN203649617U (en) | 2014-06-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234601A (en) * | 2015-11-03 | 2016-01-13 | 成都埃森普特科技股份有限公司 | Method and circuit for remote control current of output cable of electric welding machine |
| CN106112212A (en) * | 2016-07-13 | 2016-11-16 | 苏州新逸喆电子科技有限公司 | A kind of push current control module for radio welding machine |
| CN108296617A (en) * | 2018-03-07 | 2018-07-20 | 上海威特力焊接设备制造股份有限公司 | Regulating current device and method for plasma cutting machine |
| CN108296664A (en) * | 2018-04-24 | 2018-07-20 | 中国石油集团渤海石油装备制造有限公司 | Welding system welding parameter multiple spot regulating device and method |
-
2014
- 2014-01-28 CN CN201420055724.1U patent/CN203649617U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234601A (en) * | 2015-11-03 | 2016-01-13 | 成都埃森普特科技股份有限公司 | Method and circuit for remote control current of output cable of electric welding machine |
| CN106112212A (en) * | 2016-07-13 | 2016-11-16 | 苏州新逸喆电子科技有限公司 | A kind of push current control module for radio welding machine |
| CN108296617A (en) * | 2018-03-07 | 2018-07-20 | 上海威特力焊接设备制造股份有限公司 | Regulating current device and method for plasma cutting machine |
| CN108296617B (en) * | 2018-03-07 | 2023-06-20 | 上海威特力焊接设备制造股份有限公司 | Current regulating device and method for plasma cutting machine |
| CN108296664A (en) * | 2018-04-24 | 2018-07-20 | 中国石油集团渤海石油装备制造有限公司 | Welding system welding parameter multiple spot regulating device and method |
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