CN104749969A - 1500A all-digital inverter soft switching submerged arc welder wire feeding system control circuit - Google Patents
1500A all-digital inverter soft switching submerged arc welder wire feeding system control circuit Download PDFInfo
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- CN104749969A CN104749969A CN201310739002.8A CN201310739002A CN104749969A CN 104749969 A CN104749969 A CN 104749969A CN 201310739002 A CN201310739002 A CN 201310739002A CN 104749969 A CN104749969 A CN 104749969A
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- CN
- China
- Prior art keywords
- photoelectrical coupler
- welding machine
- rectification circuit
- control circuit
- power supply
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Arc Welding In General (AREA)
- Arc Welding Control (AREA)
Abstract
A 1500A all-digital inverter soft switching submerged arc welder wire feeding system control circuit comprises a power supply, rectifier circuits, and photoelectric couplers. The control circuit is characterized in that two rectifier circuits are arranged, the power supply are connected with the two rectifier circuits, the rectifier circuit 1 is connected with the photoelectric coupler 3 and the photoelectric coupler 4, the photoelectric coupler 3 is in control connection with fed wires, the photoelectric coupler 4 is in control connection with a wire feeding trolley, the photoelectric coupler 3 and the photoelectric coupler 4 are controlled by a control signal, and the rectifier circuit 2 is connected with a motor excitation coil. By adopting the control circuit, the problem of unstable wire feeding due to the fact that control circuits CN1 and CN2 and a motor excitation coil share a power supply in the prior art is eliminated, damage to the components and shapeless welding are avoided, a motor can run smoothly, and the work efficiency is improved.
Description
Technical field
The present invention relates to a kind of 1500A digital soft switch of inverter welding machine submerged arc welding machine wire feed system control circuit, belong to digital soft switch of inverter welding machine submerged arc welding machine field.
Technical background
During existing submerged arc welding machine work, motor excitation coil can produce voltage fluctuation, because photoelectrical coupler and motor excitation coil share a power supply, the voltage fluctuation that motor excitation coil produces can affect the operating voltage of photoelectrical coupler, make photoelectrical coupler cisco unity malfunction, cause wire feed control, wire feeding trolley control instability.
Summary of the invention
Goal of the invention of the present invention is for prior art Problems existing, provides a kind of digital soft switch of inverter welding machine submerged arc welding machine wire feed system control circuit.
Realize above-mentioned purpose by the following technical solutions: a kind of 1500A digital soft switch of inverter welding machine submerged arc welding machine wire feed system control circuit, comprise power supply, rectification circuit, photoelectrical coupler, it is characterized in that, described rectification circuit is set to two, power supply is connected with two rectification circuits respectively, rectification circuit 1 is connected with photoelectrical coupler 3, photoelectrical coupler 4 respectively, photoelectrical coupler 3 and wire feed control linkage, photoelectrical coupler 4 and wire feeding trolley control linkage, photoelectrical coupler 3, photoelectrical coupler 4 are controlled by control signal; Rectification circuit 2 is connected with motor excitation coil.
Further, formed rectification circuit 1 by diode D1, D2, formed rectification circuit 2 by diode D3, D4.
Further, power supply is connected with the negative pole of the negative pole of diode D1, D2 of rectification circuit 1, diode D3, D4 of rectification circuit 2 respectively.
Further, the positive pole of diode D1, D2 of rectification circuit 1 is connected with a pin end of photoelectrical coupler 3CN1, photoelectrical coupler 4CN2, one end that positive pole and the self-recoverage of diode D3, D4 insure F1 is connected, the self-recoverage insurance F1 other end is connected with current-limiting resistance R27, the other end of current-limiting resistance R27 connects motor excitation coil, forms independently power supply.
Compared with existing control circuit, which eliminate existing control circuit CN1, CN2 and motor excitation coil shared power supply formation wire feed instability, damage components and parts, and weld the problems such as shapeless, thus make welding machine smooth running, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present invention.
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Be a kind of 1500A digital soft switch of inverter welding machine submerged arc welding machine wire feed system control circuit disclosed in this example, concrete syndeton is shown in accompanying drawing 1 and accompanying drawing 2.
Diode D1, D2, D3, D4 form two full bridge rectifiers respectively, i.e. rectification circuit 1 and rectification circuit 2.Power supply is AC145V, is connected respectively with the negative pole of diode D1, D2, D3, D4, powers to respectively two rectification circuits.Rectification circuit 1 connects two photoelectrical couplers 3,4, photoelectrical coupler 3,4 is MOC3023, and wherein photoelectrical coupler 3 connects wire feed control, and photoelectrical coupler 4 connects wire feeding trolley and controls, control signal, by controlling the break-make of photoelectrical coupler 3,4, has carried out the control to wire feed and wire feeding trolley; Rectification circuit 2 connects motor excitation coil, provides working power to it.
The positive pole of diode D3, D4 of rectification circuit 2 is connected to one end of self-recoverage insurance F1, the self-recoverage insurance F1 other end is connected to current-limiting resistance R27, current-limiting resistance R27 adopts 200 ohm 50 watts, and the other end of current-limiting resistance R27 connects motor excitation coil, forms independently power supply.
Claims (4)
1. a 1500A digital soft switch of inverter welding machine submerged arc welding machine wire feed system control circuit, comprise power supply, rectification circuit, photoelectrical coupler, it is characterized in that, described rectification circuit is set to two, power supply is connected with two rectification circuits respectively, and rectification circuit 1 is connected with photoelectrical coupler 3, photoelectrical coupler 4 respectively, photoelectrical coupler 3 and wire feed control linkage, photoelectrical coupler 4 and wire feeding trolley control linkage, photoelectrical coupler 3, photoelectrical coupler 4 are controlled by control signal; Rectification circuit 2 is connected with motor excitation coil.
2. 1500A according to claim 1 digital soft switch of inverter welding machine submerged arc welding machine wire feed system control circuit, is characterized in that, is formed rectification circuit 1 by diode D1, D2, is formed rectification circuit 2 by diode D3, D4.
3. 1500A according to claim 1 digital soft switch of inverter welding machine submerged arc welding machine wire feed system control circuit, is characterized in that, power supply is connected with the negative pole of the negative pole of diode D1, D2 of rectification circuit 1, diode D3, D4 of rectification circuit 2 respectively.
4. the digital soft switch of inverter welding machine submerged arc welding machine of the 1500A according to Claims 2 or 3 wire feed system control circuit, it is characterized in that, the positive pole of diode D1, D2 of rectification circuit 1 is connected with a pin end of photoelectrical coupler 3CN1, photoelectrical coupler 4CN2, one end that positive pole and the self-recoverage of diode D3, D4 insure F1 is connected, the self-recoverage insurance F1 other end is connected with current-limiting resistance R27, the other end of current-limiting resistance R27 is connected with motor excitation coil, forms independently power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310739002.8A CN104749969A (en) | 2013-12-30 | 2013-12-30 | 1500A all-digital inverter soft switching submerged arc welder wire feeding system control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310739002.8A CN104749969A (en) | 2013-12-30 | 2013-12-30 | 1500A all-digital inverter soft switching submerged arc welder wire feeding system control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104749969A true CN104749969A (en) | 2015-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310739002.8A Pending CN104749969A (en) | 2013-12-30 | 2013-12-30 | 1500A all-digital inverter soft switching submerged arc welder wire feeding system control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104749969A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5148000A (en) * | 1990-01-04 | 1992-09-15 | Crc-Evans Pipeline International, Inc. | Distributed processing control system for automatic welding operation |
| CN1631599A (en) * | 2004-12-23 | 2005-06-29 | 上海交通大学 | Bi-number signal processor control system of submerged arc welding machine |
| CN102416518A (en) * | 2011-12-14 | 2012-04-18 | 中冶辽宁德龙钢管有限公司 | Submerged arc welding controller |
| CN103692058A (en) * | 2013-12-31 | 2014-04-02 | 上海广为焊接设备有限公司 | Soft start circuit with power correction circuit inverter-type welding machine |
-
2013
- 2013-12-30 CN CN201310739002.8A patent/CN104749969A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5148000A (en) * | 1990-01-04 | 1992-09-15 | Crc-Evans Pipeline International, Inc. | Distributed processing control system for automatic welding operation |
| CN1631599A (en) * | 2004-12-23 | 2005-06-29 | 上海交通大学 | Bi-number signal processor control system of submerged arc welding machine |
| CN102416518A (en) * | 2011-12-14 | 2012-04-18 | 中冶辽宁德龙钢管有限公司 | Submerged arc welding controller |
| CN103692058A (en) * | 2013-12-31 | 2014-04-02 | 上海广为焊接设备有限公司 | Soft start circuit with power correction circuit inverter-type welding machine |
Non-Patent Citations (1)
| Title |
|---|
| 孙景荣: "《实用焊工手册》", 31 March 2002 * |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150701 |
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| WD01 | Invention patent application deemed withdrawn after publication |