CN105312730A - Remote-control unit used for welding machine - Google Patents
Remote-control unit used for welding machine Download PDFInfo
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- CN105312730A CN105312730A CN201510737546.XA CN201510737546A CN105312730A CN 105312730 A CN105312730 A CN 105312730A CN 201510737546 A CN201510737546 A CN 201510737546A CN 105312730 A CN105312730 A CN 105312730A
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- resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
Abstract
The invention discloses a remote-control unit used for a welding machine. The remote-control unit is characterized by comprising a self-oscillation circuit, a comparison circuit, a separation circuit and a limiting circuit; the self-oscillation circuit is used for generating a triangular wave; the comparison circuit is used for chopping the triangular wave according to an input signal; the separation circuit is used for separating an interference signal; the limiting circuit comprises an impulse control switch. When the input signal of the limiting circuit is at a high level, the input signal of the limiting circuit is the voltage dividing value of the largest current value; when the input signal of the limiting circuit is at a low level, the input signal of the limiting circuit is the largest current value.
Description
Technical field
The present invention relates to a kind of control module of solder technology equipment, particularly relate to a kind of remote control being applied to electric welding equipment.
Background technology
Electric welding equipment of the prior art normally utilizes the panel that main frame is arranged to carry out button/contact action, but such equipment can bring inconvenience in work use procedure.Electrical welding operation personnel when hand torch carries out welding operation to workpiece, workpiece and main frame distance and position far away.Welder needs the adjustment carrying out welding parameter at every turn, such as Current Voltage etc., all needs welding machine operation panel to regulate, if need to need to regulate repeatedly back and forth during fine setting.So suspend weld job continually, and by a large amount of time wastes on the distance travelling to and fro between main frame and workpiece, therefore need the remote control technology to welding.
Summary of the invention
In view of the defect existed in prior art, the object of the present invention is to provide a kind of remote controller being applied to welder equipment, it is anti-interference that this remote controller can realize signal, can be adapted to again on the various ancillary equipment of welding machine.
In order to realize foregoing invention object, the present invention discloses a kind of remote controller for welding machine, it is characterized in that, comprise: self-oscillation circuit, comparison circuit, buffer circuit and limiting circuit, this self-oscillation circuit is for generating a triangular wave, this comparison circuit carries out copped wave according to an input signal to this triangular wave, this buffer circuit is for isolating interfering signal, this limiting circuit comprises a Pulse Width Control switch, when the input signal of this limiting circuit is a high level, the input signal of this limiting circuit is the partial pressure value of maximum current value, when the input signal of this limiting circuit is a low level, the input signal of this limiting circuit is maximum current value.
Further, this self-oscillation circuit comprises Zener diode ZD1 and ZD2, one end of this Zener diode ZD1 connects this Zener diode ZD2, the other end connects the positive input terminal of a comparator U4C, the negative input end of this comparator U4C is by a resistance R6 ground connection, output contact resistance R3, a resistance R2 is connected between the output of this resistance R3 and the positive input terminal of this comparator U4C, and connect one end of a resistance R1, the other end of this resistance R1 connects the negative input end of an electric capacity C1 and a comparator U4B, the positive input terminal of this comparator U4B is by a resistance R7 ground connection, output is connected with this Zener diode ZD2 and this electric capacity C1, and export this triangular wave.
Further, this comparison circuit comprises a comparator U4A, this triangular wave is connected with the negative input end of this comparator U4A, this input signal is connected with the positive input terminal of this comparator U4A through a resistance R14, the positive input terminal of this comparator U4A also connects one end of an electric capacity C14, the other end ground connection of this electric capacity C14, the positive input terminal of the U4A of this comparator also connects a resistance R40.
Further, this buffer circuit comprises a resistance R15, and this resistance R15 is connected with the output of this comparison circuit, and the other end of this resistance R15 connects the Light-Emitting Diode of an optocoupler U6, and the two ends of the Light-Emitting Diode of this optocoupler U6 connect a diode D11.
Further, this limiting circuit comprises the positive input terminal of a resistance R16, electric capacity C13 and a comparator U3B, for being connected with the output of this buffer circuit; The output of this comparator U3B connects one end of a resistance R17, and the other end of this resistance R17 connects the first input end of a Waveform Control switch U1A, and second input of this Waveform Control switch U1A is connected with this resistance R16, electric capacity C13; The output of this Waveform Control switch U1A connects a resistance R18, the output of this resistance R18 is connected with the positive input terminal of a follower U3C through a resistance R19, the positive input terminal of this follower U3C is also connected with an electric capacity C15 and a resistance R12, the other end ground connection of this electric capacity C15 and this resistance R12, the negative input end of this follower U3C is connected with output, output also connects one end of a resistance R13, the other end of this resistance R13 is connected with an electric capacity C16 and the output of controller connects, the other end ground connection of this electric capacity C16.
Further, the model of this Waveform Control switch U1A is chip 4066.
Further, the model of this follower is LM324.
Controller provided by the present invention, owing to have employed analog device, therefore can be applied to the various ancillary equipment of welding machine.When being applied to welding gun and can realizing the remote control of welding gun welding parameters, when being applied to the foot-operated remote control that can realize foot-operated butt welding machine parameter, and each remote control equipment arranges interlock with panel.Controller provided by the present invention can by the restriction of the maximum parameter of panel.It is low that controller provided by the present invention achieves cost, anti-interference, energy-conservation.In view of above-mentioned advantage, the present invention is worth promoting the use of in industrial environment.
Accompanying drawing explanation
Can be further understood by following detailed Description Of The Invention and institute's accompanying drawings about the advantages and spirit of the present invention.
Fig. 1 is the structured flowchart of remote controller involved in the present invention;
Fig. 2 is the detailed circuit diagram of remote controller involved in the present invention;
Fig. 3 is the A point oscillogram of remote controller involved in the present invention;
Fig. 4 is the B point oscillogram of remote controller involved in the present invention;
Fig. 5 is the F point oscillogram of remote controller involved in the present invention;
Fig. 6 is the G point oscillogram of remote controller involved in the present invention.
Detailed description of the invention
Specific embodiments of the invention are described in detail below in conjunction with accompanying drawing.
The object of the present invention is to provide a kind of remote controller being applied to welder equipment, it is anti-interference that this remote controller can realize signal, can be adapted to again on the various ancillary equipment of welding machine.
As shown in Figure 1, Fig. 1 is the module diagram of the remote controller for welder equipment provided by the present invention.This remote controller by self-oscillation circuit 10, comparison circuit 20, buffer circuit 30, and limiting circuit 40 forms.Wherein self-oscillation circuit 10 produces triangular wave CAMPWAVE.The waveform of triangular wave CAMPWAVE is shown in Fig. 3.
Triangular wave CAMPWAVE, compared with the incoming wave RI of potentiometer, becomes two input signals of comparison circuit 20.The incoming wave RI of comparison circuit 20 couples of triangular wave CAMPWAVE and potentiometer compares copped wave.The output waveform (i.e. B point waveform) of comparison circuit 20 as shown in Figure 4.The output waveform of comparison circuit 20, through the light-coupled isolation of buffer circuit 30, can realize the isolation of control circuit and remote control circuit, avoid mutual interference.On the other hand, after buffer circuit 30 pairs of waveforms carry out shaping, waveform becomes DC pulse from alternating-current pulse.
Buffer circuit 30 comprises the switch that a band controls, and when choice for use module, the waveform of F point as shown in Figure 5.This switch open of pulse shape control of F point or closedown, when F point is pulse high level, the output G point of buffer circuit 30 is the partial pressure value of the maximum current value * (20K*100/ (20K+100)) that control panel is given, when F point is pulses low, exporting G point is the maximum current value that control panel is given, as shown in Figure 6.Through the adjustment of such Pulse Width Control switch, the output that can obtain actual remote control changes between the minimum current current value given to panel, exports finally by limiting circuit 40.The Long-distance Control to ancillary equipment can be realized thus.
Controller provided by the present invention, owing to have employed analog device, therefore can be applied to the various ancillary equipment of welding machine.When being applied to welding gun and can realizing the remote control of welding gun welding parameters, when being applied to the foot-operated remote control that can realize foot-operated butt welding machine parameter, and each remote control equipment arranges interlock with panel.Controller provided by the present invention can by the restriction of the maximum parameter of panel.It is low that controller provided by the present invention achieves cost, anti-interference, energy-conservation, is worth promoting the use of in industrial environment.
Fig. 2 is the detailed circuit diagram of remote controller involved in the present invention.As shown in Figure 2, self-oscillation circuit 10 comprises U4B, U4C, R1, R2, R3, R6, R7, ZD1, ZD2.Comparison circuit 20 comprises U4A, R14, C14, R40, C17, C18.Buffer circuit 30 comprises R15, D11, U6.Limiting circuit 40 comprises R16, C13, R17, U1A, R18, R19, R43, R12, C15, U3C, R13, C16.
Self-oscillation circuit 10 comprises Zener diode ZD1 and ZD2, and two Zener diodes are that mirror image connects.One end of Zener diode ZD1 connects Zener diode ZD2, and the other end connects the positive input terminal of a comparator U4C.The negative input end of comparator U4C passes through a resistance R6 ground connection, output contact resistance R3.A resistance R2 is connected, simultaneously one end of contact resistance R1 between the output of R3 and the positive input terminal of comparator U4C.The other end of resistance R1 connects the negative input end of electric capacity C1 and comparator U4B.The positive input terminal of comparator U4B is by a resistance R7 ground connection, and output is connected with Zener diode ZD2 and electric capacity C1, and exports a triangular wave CAMPWAVE.
Triangular wave CAMPWAVE is connected with the negative input end of comparator U4A.The incoming wave RI of potentiometer is connected with the positive input terminal of comparator U4A through a resistance R14.The positive input terminal of comparator U4A also connects one end of an electric capacity C14, the other end ground connection of electric capacity C14.The positive input terminal of comparator U4A also connects one end of a resistance R40, and the other end of resistance R40 is connected with the positive pole of 15V voltage.The output of the U4A of comparator is connected with one end of resistance R15.Comparator U4A connects a 15V voltage.
The output of the U4A of comparator is connected with one end of resistance R15, and the other end of resistance R15 connects the Light-Emitting Diode of an optocoupler U6.The two ends of the Light-Emitting Diode of optocoupler U6 connect a diode D11.Isolate through optocoupler U6, the isolation that can realize control circuit and remote control circuit avoids interference, and after shaping, waveform becomes DC pulse from alternating-current pulse.
The output end of optocoupler U6 connects the positive input terminal of a resistance R16, electric capacity C13 and a comparator U3B.The output of comparator U3B connects one end of a resistance R17, and the other end of resistance R17 connects the first input end of a Waveform Control switch U1A.Waveform Control switch U1A is preferably chip 4066.Second input of Waveform Control switch U1A is connected with resistance R16, electric capacity C13.The output contact resistance R18 of Waveform Control switch U1A.The output of resistance R18 is connected with the positive input terminal of a follower U3C through a resistance R19.The positive input terminal of follower U3C is also connected with an electric capacity C15 and a resistance R12, the other end ground connection of electric capacity C15 and resistance R12.The negative input end of follower U3C is connected with output, one end of output also contact resistance R13.The other end of resistance R13 is connected with electric capacity C16 and the output of controller connects, the other end ground connection of electric capacity C16.
Just preferred embodiment of the present invention described in this description, above embodiment is only in order to illustrate technical scheme of the present invention but not limitation of the present invention.All those skilled in the art, all should be within the scope of the present invention under this invention's idea by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (7)
1. the remote controller for welding machine, it is characterized in that, comprise: self-oscillation circuit, comparison circuit, buffer circuit and limiting circuit, described self-oscillation circuit is for generating a triangular wave, described comparison circuit carries out copped wave according to an input signal to described triangular wave, described buffer circuit is for isolating interfering signal, described limiting circuit comprises a Pulse Width Control switch, when the input signal of described limiting circuit is a high level, the input signal of described limiting circuit is the partial pressure value of maximum current value, when the input signal of described limiting circuit is a low level, the input signal of described limiting circuit is maximum current value.
2. as claimed in claim 1 for the remote controller of welding machine, it is characterized in that, described self-oscillation circuit comprises Zener diode ZD1 and ZD2, one end of described Zener diode ZD1 connects described Zener diode ZD2, the other end connects the positive input terminal of a comparator U4C, the negative input end of described comparator U4C is by a resistance R6 ground connection, output contact resistance R3, a resistance R2 is connected between the output of described resistance R3 and the positive input terminal of described comparator U4C, and connect one end of a resistance R1, the other end of described resistance R1 connects the negative input end of an electric capacity C1 and a comparator U4B, the positive input terminal of described comparator U4B is by a resistance R7 ground connection, output is connected with described Zener diode ZD2 and described electric capacity C1, and export described triangular wave.
3. as claimed in claim 1 for the remote controller of welding machine, it is characterized in that, described comparison circuit comprises a comparator U4A, described triangular wave is connected with the negative input end of described comparator U4A, described input signal is connected with the positive input terminal of described comparator U4A through a resistance R14, the positive input terminal of described comparator U4A also connects one end of an electric capacity C14, the other end ground connection of described electric capacity C14, and the positive input terminal of the U4A of described comparator also connects a resistance R40.
4. as claimed in claim 1 for the remote controller of welding machine, it is characterized in that, described buffer circuit comprises a resistance R15, described resistance R15 is connected with the output of described comparison circuit, the other end of described resistance R15 connects the Light-Emitting Diode of an optocoupler U6, and the two ends of the Light-Emitting Diode of described optocoupler U6 connect a diode D11.
5., as claimed in claim 1 for the remote controller of welding machine, it is characterized in that, described limiting circuit comprises the positive input terminal of a resistance R16, electric capacity C13 and a comparator U3B, for being connected with the output of described buffer circuit; The output of described comparator U3B connects one end of a resistance R17, and the other end of described resistance R17 connects the first input end of a Waveform Control switch U1A, and second input of described Waveform Control switch U1A is connected with described resistance R16, electric capacity C13; The output of described Waveform Control switch U1A connects a resistance R18, the output of described resistance R18 is connected with the positive input terminal of a follower U3C through a resistance R19, the positive input terminal of described follower U3C is also connected with an electric capacity C15 and a resistance R12, the other end ground connection of described electric capacity C15 and described resistance R12, the negative input end of described follower U3C is connected with output, output also connects one end of a resistance R13, the other end of described resistance R13 is connected with an electric capacity C16 and the output of controller connects, the other end ground connection of described electric capacity C16.
6., as claimed in claim 5 for the remote controller of welding machine, it is characterized in that, the model of described Waveform Control switch U1A is chip 4066.
7., as claimed in claim 5 for the remote controller of welding machine, it is characterized in that, the model of described follower is LM324.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737546.XA CN105312730B (en) | 2015-11-04 | 2015-11-04 | Remote-control unit used for welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737546.XA CN105312730B (en) | 2015-11-04 | 2015-11-04 | Remote-control unit used for welding machine |
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| Publication Number | Publication Date |
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| CN105312730A true CN105312730A (en) | 2016-02-10 |
| CN105312730B CN105312730B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510737546.XA Active CN105312730B (en) | 2015-11-04 | 2015-11-04 | Remote-control unit used for welding machine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2084856U (en) * | 1990-12-13 | 1991-09-18 | 冯世镛 | Energy saver for electric welder |
| JPH0417977A (en) * | 1990-05-10 | 1992-01-22 | Hitachi Seiko Ltd | Controller for semiautomatic arc welding machine |
| CN201220317Y (en) * | 2008-06-17 | 2009-04-15 | 上海威特力焊接设备制造股份有限公司 | Remote control circuit of inversion arc welding apparatus |
| CN101645708A (en) * | 2009-07-21 | 2010-02-10 | 叶克江 | Linear isolating circuit based on optical couplers and method |
| CN102566627A (en) * | 2011-12-18 | 2012-07-11 | 西安航天精密机电研究所 | Static-error-free high-precision instrument temperature control circuit |
| CN104057181A (en) * | 2014-06-23 | 2014-09-24 | 上海威特力焊接设备制造股份有限公司 | Open-phase protection circuit for inverter welding machine |
| CN104668736A (en) * | 2015-02-11 | 2015-06-03 | 上海广为焊接设备有限公司 | Remote control circuit of argon arc welding machine |
| CN205166120U (en) * | 2015-11-04 | 2016-04-20 | 上海威特力焊接设备制造股份有限公司 | A remote controller for welding machine |
-
2015
- 2015-11-04 CN CN201510737546.XA patent/CN105312730B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0417977A (en) * | 1990-05-10 | 1992-01-22 | Hitachi Seiko Ltd | Controller for semiautomatic arc welding machine |
| CN2084856U (en) * | 1990-12-13 | 1991-09-18 | 冯世镛 | Energy saver for electric welder |
| CN201220317Y (en) * | 2008-06-17 | 2009-04-15 | 上海威特力焊接设备制造股份有限公司 | Remote control circuit of inversion arc welding apparatus |
| CN101645708A (en) * | 2009-07-21 | 2010-02-10 | 叶克江 | Linear isolating circuit based on optical couplers and method |
| CN102566627A (en) * | 2011-12-18 | 2012-07-11 | 西安航天精密机电研究所 | Static-error-free high-precision instrument temperature control circuit |
| CN104057181A (en) * | 2014-06-23 | 2014-09-24 | 上海威特力焊接设备制造股份有限公司 | Open-phase protection circuit for inverter welding machine |
| CN104668736A (en) * | 2015-02-11 | 2015-06-03 | 上海广为焊接设备有限公司 | Remote control circuit of argon arc welding machine |
| CN205166120U (en) * | 2015-11-04 | 2016-04-20 | 上海威特力焊接设备制造股份有限公司 | A remote controller for welding machine |
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| CN105312730B (en) | 2017-01-25 |
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