CN104625336B - A kind of inversion direct current gas shielded arc welding power supply - Google Patents
A kind of inversion direct current gas shielded arc welding power supply Download PDFInfo
- Publication number
- CN104625336B CN104625336B CN201510016025.5A CN201510016025A CN104625336B CN 104625336 B CN104625336 B CN 104625336B CN 201510016025 A CN201510016025 A CN 201510016025A CN 104625336 B CN104625336 B CN 104625336B
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- CN
- China
- Prior art keywords
- circuit
- power supply
- direct current
- arc welding
- gas shielded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K9/1006—Power supply
- B23K9/1043—Power supply characterised by the electric circuit
-
- 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
- B23K9/16—Arc welding or cutting making use of shielding gas
Abstract
The present invention provides a kind of inversion direct current gas shielded arc welding power supply, including base plate and be arranged on the housing on described base plate, described housing includes front and rear panels, it is characterized in that: between described header board and described back plate, median septum is installed, the side of septum plate is provided with upper spacer, circuit for power conversion plate is installed between described upper spacer and described base plate, it is provided with circuit for power conversion on described circuit for power conversion plate, on described upper spacer, panel is installed, voltage given circuit it is provided with on described panel, soft starting circuit, pulse-width modulation circuit, thermal protection control circuit, over-current detection circuit, CVF electronics reactance-controlled circuit.The present invention provide inversion direct current gas shielded arc welding power supply have the beneficial effect that rational structure improves the easy for installation of complete machine; decrease the dust impact on control system; reduce the fault rate of product; the CVF constant pressure type electronics reactive feedback circuit simultaneously utilizing advanced person replaces conventional reactor, has both reduced splashing during welding.
Description
Technical field
The present invention relates to a kind of inversion direct current gas shielded arc welding power supply.
Background technology
Traditional inversion gas shielded arc welding all seals in filter inductance to control flying in welding process in welding circuit
Spattering, this inductance manufacturing process is complicated, and filter effect is affected bigger by stalloy material, and concordance is poor.Increase
Making power supply overall volume big after coilloading, structure is complicated, brings the most not to installation and transport and regular maintenance
Just.Therefore the use of traditional inductance seriously constrains the development of inversion gas shielded arc welding power supply, finds novel inductor more
More become the most important thing of inversion gas shielded arc welding development.
Summary of the invention
The technical problem to be solved is to overcome the deficiency of above-mentioned prior art, it is provided that a kind of spatter
Little inversion direct current gas shielded arc welding power supply.
The main technical schemes that a kind of inversion direct current gas shielded arc welding power supply provided according to the present invention uses is: include
Base plate and be arranged on the housing on described base plate, described housing includes front and rear panels, described header board and described after
Being provided with median septum between plate, the side of septum plate is provided with upper spacer, described upper spacer and described base plate it
Between circuit for power conversion plate is installed, described circuit for power conversion plate is provided with circuit for power conversion, described on every
Panel is installed on plate, described panel is provided with voltage given circuit, soft starting circuit, pulsewidth modulation electricity
Road, thermal protection control circuit, over-current detection circuit, CVF electronics reactance-controlled circuit, described CVF electronics reactance
Control circuit is connected with described circuit for power conversion.
The inversion direct current gas shielded arc welding power supply that the present invention provides also can have a following attached technical characteristic:
Electrochemical capacitor and radiator, the radiator of described electrochemical capacitor side are installed on described circuit for power conversion plate
On inverter is installed, the radiator of described electrochemical capacitor opposite side is provided with fast recovery diode and rectifier bridge,
Described rectifier bridge is positioned at the top of described fast recovery diode.
Described inverter is constituted full-bridge inverter by four IGBT being connected.
All offer vent in described front and rear panels, wherein, a described vent as air inlet, another
Individual described vent is as air outlet.
Described housing, base plate, upper spacer and described circuit for power conversion plate form heat dissipation channel with described vent,
As at the described vent of air inlet, blower fan is installed.
Being provided with transformator on described base plate, described transformator is arranged at as the vent of air outlet.
Be connected wire-feed motor and wire feeding axis, described wire-feed motor and described circuit for power conversion are installed on septum plate
It is connected.
Described circuit for power conversion includes rectification filtering unit, inversion unit, transformator T1 and the secondary being connected
Rectification unit, described CVF electronics reactance-controlled circuit is by the voltage signal from detection output two ends and current signal
Regulate short circuit current growth rate.
Described rectification filtering unit includes rectifier bridge, filter capacitor C58-60 and C62-64 being connected, and power frequency is handed over
Stream electricity transmit after described rectifier bridge rectification and described filter capacitor C58-60 and C62-64 filter and form unidirectional current to
Inversion unit.
Described inversion unit is made up of full-bridge inverter four IGBT, and described secondary rectification unit includes fast extensive pipe
D27-D28, D30-D31, described unidirectional current after described inversion unit is reverse into exchange again through transformator and secondary
Rectification unit rectification obtains steady DC source.
What the inversion direct current gas shielded arc welding power supply using the present invention to provide brought has the beneficial effect that the CVF utilizing advanced person
Electronics reactance replaces conventional reactor, has both reduced splashing during welding, makes again complete machine structure clear, had both facilitated group
Dress is conducive to again after-sales service.Control system major part material all uses surface-mounted device, and production can realize automatic metaplasia
Produce, production efficiency can be improved rapidly, use unique device distributed architecture so that the ventilation effect of complete machine substantially carries
Height, heater members is arranged on air channel, not only can well dispel the heat but also can reduce the area of radiator, significantly
Reduction machine cost, main is that the volume and weight of inversion direct current gas shielded arc welding power supply is greatly reduced.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of inversion direct current gas shielded arc welding power supply of the present invention.
Fig. 2 is the structure chart of inversion direct current gas shielded arc welding power supply of the present invention.
Fig. 3 is the structure chart at another visual angle of inversion direct current gas shielded arc welding power supply of the present invention.
Fig. 4 is the circuit theory diagrams of inversion direct current gas shielded arc welding power supply of the present invention.
Fig. 5 is the circuit theory diagrams of CVF electronics reactance-controlled circuit in inversion direct current gas shielded arc welding power supply of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail:
As shown in Figures 1 to 5, according to the embodiment of a kind of inversion direct current gas shielded arc welding power supply that the present invention provides,
Including base plate 1 and be arranged on the housing 2 on described base plate 1, described housing 2 includes header board 21 and back plate 22,
Median septum 3 is installed between described header board 21 and described back plate 22, the side of septum plate 3 be provided with every
Plate 4, is provided with circuit for power conversion plate 5, described circuit for power conversion between described upper spacer 4 and described base plate 1
It is provided with circuit for power conversion on plate 5, described upper spacer 4 is provided with panel 6, described panel 6 sets
It is equipped with CVF electronics reactance-controlled circuit, voltage given circuit, soft starting circuit, PWM circuit, described CVF
Electronics reactance-controlled circuit is connected with described circuit for power conversion.The present invention is by using advanced CVF electronics electricity
Anti-replacement conventional reactor, had both reduced splashing during welding, made again complete machine structure clear, not only ease of assembly but also have
It is beneficial to after-sales service；Use unique device distributed architecture so that the ventilation effect of complete machine significantly improves, heating element
Part is arranged on air channel, not only can well dispel the heat but also can reduce the area of radiator, greatly having reduced machine
Cost, main is that the volume and weight of inversion direct current gas shielded arc welding power supply is greatly reduced.
Seeing Fig. 1 to Fig. 5, the inversion direct current gas shielded arc welding power supply provided according to the present invention, described power is changed
Electrochemical capacitor 51 and radiator 52 are installed, on the radiator 52 of described electrochemical capacitor 51 side on circuit board 5
Inverter 53 is installed, the radiator 52 of described electrochemical capacitor 51 opposite side is provided with fast recovery diode 54 He
Rectifier bridge 55, described rectifier bridge 55 is positioned at the top of described fast recovery diode 54.The present invention uses the device of uniqueness
Part distributed architecture, selects electric elements according to above-mentioned electric elements produced amount of heat in running
Distribution so that the ventilation effect of complete machine significantly improves, and heater members is arranged on air channel, both can well dissipate
Heat can reduce again the area of radiator, greatly reduces machine cost, and main is inversion direct current gas shielded arc welding
The volume and weight of power supply is greatly reduced.
See Fig. 1 to Fig. 5, according to the present invention provide inversion direct current gas shielded arc welding power supply, described inverter 53 by
Four IGBT being connected constitute full-bridge inverter, and described header board 21 and back plate 22 all offer vent
23, wherein, a described vent 23 is as air inlet, and another described vent 23 is as air outlet, institute
State housing 2, base plate 1, upper spacer 4 and described circuit for power conversion plate 5 logical with the formation heat radiation of described vent 23
Road, as being provided with blower fan 24 at the described vent 23 of air inlet, described base plate 1 is provided with transformator 7,
Described transformator 7 is arranged at as the vent 23 of air outlet, uses unique device distributed architecture so that
The ventilation effect of complete machine significantly improves, and heater members is arranged on air channel, not only can well dispel the heat but also can subtract
The area of little radiator, greatly reduces machine cost, and main is the volume of inversion direct current gas shielded arc welding power supply
It is greatly reduced with weight.
Seeing Fig. 1 to Fig. 5, the inversion direct current gas shielded arc welding power supply provided according to the present invention, on septum plate 3
Being provided be connected wire-feed motor 31 and wire feeding axis 32, described wire-feed motor 31 is connected with described circuit for power conversion,
Use unique device distributed architecture so that the ventilation effect of complete machine significantly improves, and heater members is arranged in air channel
On, not only can well dispel the heat but also the area of radiator can have been reduced, greatly having reduced machine cost, and main being
The volume and weight of whole inversion direct current gas shielded arc welding power supply is greatly reduced.
Seeing Fig. 1 to Fig. 5, the inversion direct current gas shielded arc welding power supply provided according to the present invention, described power is changed
Circuit includes rectification filtering unit, inversion unit, transformator T1 and the secondary rectification unit being connected, described
CVF electronics reactance-controlled circuit is by regulating short circuit current from the voltage signal at detection output two ends and current signal
Growth rate, whole control system uses SMT surface-mounted device to complete to be welded, and is arranged in inversion direct current gas guarantor
Protect above the CVF panel in weldering power supply, facilitate automated production, test, check, keep in repair, space availability ratio
High, typically it is difficult to.
See Fig. 1 to Fig. 5, the inversion direct current gas shielded arc welding power supply provided according to the present invention, described rectifying and wave-filtering
Unit includes rectifier bridge, filter capacitor C58-C60 and C62-C64 being connected, and industrial-frequency alternating current is through described rectification
Bridge rectification and described filter capacitor C58-C60 and C62-C64 filtering are transmitted to inversion unit after forming unidirectional current.
See Fig. 1 to Fig. 5, the inversion direct current gas shielded arc welding power supply provided according to the present invention, described inversion unit
Be made up of full-bridge inverter four IGBT, described secondary rectification unit includes fast extensive pipe D27-D28, D30-D31,
Described unidirectional current is put down through transformator and secondary rectification unit rectification after described inversion unit is reverse into exchange again
Steady DC source.
Operation principle: gas shielded arc welding power supply obtains industrial-frequency alternating current by and off switch S1, through EMI circuit,
The most rectified bridge rectification D29 and capacitor filtering C58-60 and C62-64 becomes unidirectional current, via four IGBT:
The full-bridge inverter of IGBT1-IGBT4 composition, is reverse into the alternating current of about 30KHz, through voltage changer
T2 transformation, through fast extensive pipe D27-D28, D30-D31 rectification, obtains steady DC source, anti-through primary
Feedback L1 to connector CN11, filters through D9, D10, D11, D12 bridge rectifier, C25, R34 amplitude limit, one
Road enters pwm chip U14 foot after R20 Yu C2 composition RC absorbs, and for constant current, controls electricity
The change of stream, effectively changes the granule of spatter, and another road enters PWM control after R21 Yu C4 composition RC absorbs
Coremaking sheet U116 foot, when being used for controlling short circuit, the excessive electric arc caused of electric current is abnormal, export both positive and negative polarity feeds back to control
Board connector CN7, constitutes bleeder circuit through R79 Yu R18, and the follower of the 4th foot composition entering U4A passes through
R17 enters 6 feet of U3B, constitutes with Setting signal Vi and compares, and the PI circuit consisted of U3B is adjusted
Joint, is entering pwm chip U1 the 5th foot through R11, R12, R13 with C13, is constituting constant voltage circuit, have
Effect the change stabilizing output voltage, particularly U3B peripheral parameters choose the parameter with R13 and C13 very
Important, effectively improve the rate of change of voltage, and response speed during welding, thus adjust splashing further
Size thus promote welding effect.
Claims (10)
1. an inversion direct current gas shielded arc welding power supply, including base plate and be arranged on the housing on described base plate, described
Housing includes front and rear panels, it is characterised in that: median septum is installed between described header board and described back plate, described in
The side of dividing plate is provided with upper spacer, is provided with circuit for power conversion plate between described upper spacer and described base plate, described
It is provided with circuit for power conversion on circuit for power conversion plate, described upper spacer is provided with panel, on described panel
Be provided with voltage given circuit, soft starting circuit, pulse-width modulation circuit, thermal protection control circuit, over-current detection circuit,
CVF electronics reactance-controlled circuit, described CVF electronics reactance-controlled circuit is connected with described circuit for power conversion；
Shown CVF electronics reactance-controlled circuit includes primary feedback L1, connector CN 11, two pole being connected
Pipe D9, D10, D11, D12 carry out bridge rectifier, electric capacity C25 is filtered, and resistance R34 carries out amplitude limit, a road
Electric current enters pwm chip U14 foot, another road electric current warp after resistance R20 and electric capacity C2 composition wave filter absorbs
Resistance R21 and electric capacity C4 composition wave filter enters pwm chip U116 foot after absorbing；
Through output cathode and negative feedback to panel connector CN7, constitute partial pressure unit through resistance R79 Yu R18, enter
The follower of the 4th foot composition entering pwm chip U4A enters 6 feet of pwm chip U3B by resistance R17,
Constituting with Setting signal Vi and compare, the PI regulation unit consisted of pwm chip U3B is adjusted, at warp
Resistance R11, R12, R13 and electric capacity C 13 enter pwm chip U1 the 5th foot, constitute constant voltage unit.
2. inversion direct current gas shielded arc welding power supply as claimed in claim 1, it is characterised in that: described power conversion electricity
Electrochemical capacitor and radiator are installed on the plate of road, the radiator of described electrochemical capacitor side is provided with inverter, described
Being provided with fast recovery diode and rectifier bridge on the radiator of electrochemical capacitor opposite side, described rectifier bridge is positioned at described the most extensive
The top of multiple diode.
3. inversion direct current gas shielded arc welding power supply as claimed in claim 2, it is characterised in that: described inverter is by phase
Four IGBT connected constitute full-bridge inverter.
4. inversion direct current gas shielded arc welding power supply as claimed in claim 1, it is characterised in that: described front and rear panels
On all offer vent, wherein, a described vent is as air inlet, and another described vent is as air-out
Mouthful.
5. inversion direct current gas shielded arc welding power supply as claimed in claim 4, it is characterised in that: described housing, base plate,
Upper spacer and described circuit for power conversion plate form heat dissipation channel with described vent, as the described vent of air inlet
Place is provided with blower fan.
6. inversion direct current gas shielded arc welding power supply as claimed in claim 4, it is characterised in that: install on described base plate
Transformator, described transformator is had to be arranged at as the vent of air outlet.
7. inversion direct current gas shielded arc welding power supply as claimed in claim 4, it is characterised in that: pacify on septum plate
Equipped with wire-feed motor and the wire feeding axis of being connected, described wire-feed motor is connected with described circuit for power conversion.
8. inversion direct current gas shielded arc welding power supply as claimed in claim 1, it is characterised in that: described power conversion electricity
Road includes rectification filtering unit, inversion unit, transformator T2 and the secondary rectification unit being connected, described CVF electricity
Sub-reactance-controlled circuit increases speed by regulating short circuit current from the voltage signal at detection output two ends and current signal
Degree.
9. inversion direct current gas shielded arc welding power supply as claimed in claim 8, it is characterised in that: described rectifying and wave-filtering list
Unit includes rectifier bridge, filter capacitor C58-60 and C62-64 being connected, industrial-frequency alternating current through described rectifier bridge rectification and
Described filter capacitor C58-60 and C62-64 filtering is transmitted to inversion unit after forming unidirectional current.
10. inversion direct current gas shielded arc welding power supply as claimed in claim 9, it is characterised in that: described inversion unit by
Four IGBT constitute full-bridge inverter, and described secondary rectification unit includes fast extensive pipe D27-D28, D30-D31, described
Unidirectional current obtains steady direct current through transformator and secondary rectification unit rectification after described inversion unit is reverse into exchange again
Power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510016025.5A CN104625336B (en) | 2015-01-13 | 2015-01-13 | A kind of inversion direct current gas shielded arc welding power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510016025.5A CN104625336B (en) | 2015-01-13 | 2015-01-13 | A kind of inversion direct current gas shielded arc welding power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625336A CN104625336A (en) | 2015-05-20 |
| CN104625336B true CN104625336B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510016025.5A Expired - Fee Related CN104625336B (en) | 2015-01-13 | 2015-01-13 | A kind of inversion direct current gas shielded arc welding power supply |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206105108U (en) * | 2016-08-31 | 2017-04-19 | 南通富力机电设备有限责任公司 | Contravariant digit welding machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2049315A (en) * | 1979-04-11 | 1980-12-17 | Borrfors E | Electronically controlled electric arc-welding |
| US5416299A (en) * | 1989-08-02 | 1995-05-16 | Mitsubishi Denki Kabushiki Kaisha | Pulse welding apparatus |
| CN101733594A (en) * | 2008-11-21 | 2010-06-16 | 上海沪工电焊机制造有限公司 | Isolation device suitable for digitalized electric welder |
| CN202367358U (en) * | 2011-11-09 | 2012-08-08 | 上海沪工焊接集团股份有限公司 | Radiation structure applied to electric welding machine |
| CN203599689U (en) * | 2013-11-22 | 2014-05-21 | 上海沪工焊接集团股份有限公司 | Integral structure of inverter welding power source |
| CN203956302U (en) * | 2014-07-24 | 2014-11-26 | 温岭万顺机电制造有限公司 | The structure of single tube IGBT contravariant arc welding power source |
| CN203956299U (en) * | 2014-07-24 | 2014-11-26 | 温岭万顺机电制造有限公司 | The structure of inversion direct current arc-welding power supply |
-
2015
- 2015-01-13 CN CN201510016025.5A patent/CN104625336B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2049315A (en) * | 1979-04-11 | 1980-12-17 | Borrfors E | Electronically controlled electric arc-welding |
| US5416299A (en) * | 1989-08-02 | 1995-05-16 | Mitsubishi Denki Kabushiki Kaisha | Pulse welding apparatus |
| CN101733594A (en) * | 2008-11-21 | 2010-06-16 | 上海沪工电焊机制造有限公司 | Isolation device suitable for digitalized electric welder |
| CN202367358U (en) * | 2011-11-09 | 2012-08-08 | 上海沪工焊接集团股份有限公司 | Radiation structure applied to electric welding machine |
| CN203599689U (en) * | 2013-11-22 | 2014-05-21 | 上海沪工焊接集团股份有限公司 | Integral structure of inverter welding power source |
| CN203956302U (en) * | 2014-07-24 | 2014-11-26 | 温岭万顺机电制造有限公司 | The structure of single tube IGBT contravariant arc welding power source |
| CN203956299U (en) * | 2014-07-24 | 2014-11-26 | 温岭万顺机电制造有限公司 | The structure of inversion direct current arc-welding power supply |
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| CN104625336A (en) | 2015-05-20 |
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Effective date of registration: 20150611 Address after: Taiping Street Fanchang District of Wenling city Taizhou city Zhejiang province 317599 building 26 room 304 Applicant after: Yang Qiyuan Address before: Taizhou City, Zhejiang province 317500 Wenling Wenling City West Industrial Zone Wanshun electromechanical Manufacturing Co Ltd Applicant before: WENLING WANSHUN ELECTROMECHANICS MANUFACTURE CO., LTD. |
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