CN107020441A - Multiple power supplies high intensity arc stud welding system in parallel - Google Patents
Multiple power supplies high intensity arc stud welding system in parallel Download PDFInfo
- Publication number
- CN107020441A CN107020441A CN201710269764.4A CN201710269764A CN107020441A CN 107020441 A CN107020441 A CN 107020441A CN 201710269764 A CN201710269764 A CN 201710269764A CN 107020441 A CN107020441 A CN 107020441A
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- CN
- China
- Prior art keywords
- power supply
- module
- inversion
- controller
- parallel
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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
- B23K9/20—Stud welding
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
Abstract
The invention discloses multiple power supplies high intensity arc stud welding system in parallel, including power supply module, also include at least two group controllers connected on processor and processor, inversion module is also associated with the controller, power supply module and the power supply matched one by one with controller are connected with the inversion module, the power supply is simultaneously connected on welding machine；Inversion module includes multiple inversion circuits matched one by one with power supply, using multigroup relatively independent inversion circuit, Parallel opertation high current after each group output is filtered by respective reactor respectively, multigroup relatively independent inversion circuit realizes that larger welding current is exported by respective its output current of PI closed-loop current controls and then Parallel opertation.It is an advantage of the invention that：The starting the arc is steady, and heat input is concentrated, and stability is strong, can complete the stud welding to high-strength steel；Improve the total quality of weld seam.
Description
Technical field
The present invention relates to a kind of source of welding current, and in particular to multiple power supplies high intensity arc stud welding system in parallel.
Background technology
Electric welding is being commonly called as welding rod arc.Using welding rod by the place of high arc temperature thawing metal parts needs connection
A kind of welding operation realized.The basic functional principle of electric welding is the commercial power by conventional 220V voltages or 380V,
Voltage is reduced by the pressure reducer in electric welding machine, electric current is enhanced, and electric energy is produced huge electric arc heat and melt welding rod
And steel, and welding rod melting makes the amalgamation between steel higher.The coating of the outer layer of welding rod, CO2 welding spray CO2 gases
Play a part of to prevent metal melt rear oxidation.
Due to the special characteristics of high-strength steel, the welding that all kinds of stud welding machines largely used at present can not meet high-strength steel is special
Property, it is poor to there is weld strength, is molded all kinds of problems such as not full, it is impossible to suitable for the welding of high-strength steel.
The content of the invention
The technical problems to be solved by the invention are to devise a special high-strength steel stud welded suitable for high-strength steel
Welding machine electric power, controls its heat input using special welding waveform, also add the stirring action of bath, by what is formed in metal
The factor of the defects such as bubble is excluded, while having refined weld grain, is reduced crack sensitivity, is improved the overall matter of weld seam
Amount.Welded thin-wall box component fusion penetration is big, and welding efficiency is high, and welding joint mechanical property is excellent, reliable, it is therefore intended that provide multiple power supplies simultaneously
The high intensity arc stud welding system of connection, is solved due to the special characteristics of high-strength steel, all kinds of stud welding machines largely used at present can not
The welding characteristic of high-strength steel is met, it is poor to there is weld strength, be molded all kinds of problems such as not full, it is impossible to suitable for the weldering of high-strength steel
The problem of connecing.
The present invention is achieved through the following technical solutions：
Multiple power supplies high intensity arc stud welding system in parallel, including connect on power supply module, in addition to processor and processor
It is also associated with being connected with power supply module on inversion module, the inversion module at least two group controllers connect, the controller
With the power supply matched one by one with controller, the power supply is simultaneously connected on welding machine；
Processor：Extraneous signal is received as Setting signal and is sent to controller；
Controller：The current sample that the Setting signal and inversion module that reception processing device is sent are sent, sends control after processing
Signal processed is fast to inversion mould；
Inversion mould is fast：Input is connected with power supply module, obtains straight after the power frequency electric inversion rectification that power supply module is exported
Stream electric current is transported to power supply；To output current real-time sampling, the controller that sampled result is sent as current sample；Receive control
The control signal adjustment inversion parameter that device processed is sent；
Power supply：Receive the direct current that inversion module is sent.Inversion module includes multiple inversions time matched one by one with power supply
Road, using multigroup relatively independent inversion circuit, the big electricity of Parallel opertation after each group output is filtered by respective reactor respectively
Stream, multigroup relatively independent inversion circuit by respective its output current of PI closed-loop current controls and then Parallel opertation realize compared with
Big welding current output.The electric current that each group inversion module output being operated under current constant control pattern passes through respective inversion circuit
Sampling is sent to controller as feedback signal, and Setting signal is isolated by processor branch to be supplied, and the output of controller passes through control
Respective output current reaches the purpose of constant current output, and multichannel exports welding current and completes welding process jointly.
Also include a copped wave module, the copped wave module is disposed therein one group between power supply and inversion module.Using
Copped wave module makes the ability that one of which has output pulse current, and the heat input for controlling welding initial stage increases bath
Stirring action.
Timing module is also associated with the processor.Timing module is connected with a processor, and processor can be made real
Now to the Time-sharing control of each controller.
Protection module is also associated with the processor.By setting protection module on a processor, increase the peace of system
Quan Xing
The quantity of the controller is preferably three groups.
The present invention compared with prior art, has the following advantages and advantages：
1st, multiple power supplies of the present invention high intensity arc stud welding system in parallel, the starting the arc is steady, and heat input is concentrated, and stability is strong,
The stud welding to high-strength steel can be completed；
2nd, multiple power supplies of the present invention high intensity arc stud welding system in parallel, adds the stirring action of bath, by metal
The factor of the defects such as the bubble of formation is excluded, while having refined weld grain, is reduced crack sensitivity, is improved the whole of weld seam
Weight.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is present system structural representation；
Fig. 2 is implementing circuit figure of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment
As shown in Figure 1 and Figure 2, multiple power supplies of the present invention high intensity arc stud welding system in parallel, including 380V power supply modules,
Also include the three groups of T12_MZ controller master control borads connected on DSP_IonM2 processor programs plate and processor, the controller
On be also associated with being connected with IGBT full-bridge soft-switching inversion modules, the inversion module power supply module and with controller one by one
The power supply matched somebody with somebody, the power supply is simultaneously connected on welding machine；Inversion module includes multiple inversion circuits matched one by one with power supply, using many
The relatively independent inversion circuit of group, Parallel opertation high current, Duo Zuxiang after each group output is filtered by respective reactor respectively
Larger welding is realized by respective its output current of PI closed-loop current controls and then Parallel opertation to independent inversion circuit
Electric current is exported.The each group inversion module output being operated under current constant control pattern is sent to by the current sample of respective inversion circuit
Controller is as feedback signal, and Setting signal is isolated by processor branch to be supplied, and the output of controller is respective defeated by controlling
Go out the purpose that electric current reaches constant current output, multichannel exports welding current and completes welding process jointly.Also it is integrated in including one
Copped wave module on IGBT full-bridge soft-switchings, the copped wave module is disposed therein one group between power supply and inversion module.Using
Copped wave module makes the ability that one of which has output pulse current, and the heat input for controlling welding initial stage increases bath
Stirring action.Timing module is also associated with the processor.Timing module is connected with a processor, and processor can be made real
Now to the Time-sharing control of each controller.Normally closed temperature detect switch (TDS) protection module is also associated with the processor.By in processing
Protection module is set on device, increases the security of system
Processor：Extraneous signal is received as Setting signal and is sent to controller；
Controller：The current sample that the Setting signal and inversion module that reception processing device is sent are sent, sends control after processing
Signal processed is fast to inversion mould；
Inversion mould is fast：Input is connected with power supply module, obtains straight after the power frequency electric inversion rectification that power supply module is exported
Stream electric current is transported to power supply；To output current real-time sampling, the controller that sampled result is sent as current sample；Receive control
The control signal adjustment inversion parameter that device processed is sent；
Power supply：Receive the direct current that inversion module is sent.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (5)
1. multiple power supplies high intensity arc stud welding system in parallel, including power supply module, it is characterised in that also including processor and place
It is also associated with being connected with inversion module, the inversion module at least two group controllers connected on reason device, the controller
Power supply module and the power supply matched one by one with controller, the power supply are simultaneously connected on welding machine；
Processor：Extraneous signal is received as Setting signal and is sent to controller；
Controller：The current sample that the Setting signal and inversion module that reception processing device is sent are sent, sends control letter after processing
Number to inversion mould it is fast；
Inversion mould is fast：Input is connected with power supply module, and direct current is obtained after the power frequency electric inversion rectification that power supply module is exported
Stream is transported to power supply；To output current real-time sampling, the controller that sampled result is sent as current sample；Receive controller
The control signal adjustment inversion parameter of transmission；
Power supply：Receive the direct current that inversion module is sent.
2. multiple power supplies according to claim 1 high intensity arc stud welding system in parallel, it is characterised in that also including one
Copped wave module, the copped wave module is disposed therein one group between power supply and inversion module.
3. multiple power supplies according to claim 2 high intensity arc stud welding system in parallel, it is characterised in that the processor
On be also associated with timing module.
4. multiple power supplies according to claim 1 high intensity arc stud welding system in parallel, it is characterised in that the processor
On be also associated with protection module.
5. multiple power supplies according to claim 1 high intensity arc stud welding system in parallel, it is characterised in that the controller
Quantity be preferably three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269764.4A CN107020441A (en) | 2017-04-24 | 2017-04-24 | Multiple power supplies high intensity arc stud welding system in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269764.4A CN107020441A (en) | 2017-04-24 | 2017-04-24 | Multiple power supplies high intensity arc stud welding system in parallel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107020441A true CN107020441A (en) | 2017-08-08 |
Family
ID=59527520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710269764.4A Pending CN107020441A (en) | 2017-04-24 | 2017-04-24 | Multiple power supplies high intensity arc stud welding system in parallel |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103599U (en) * | 2011-05-26 | 2012-01-04 | 昆山瑞凌焊接科技有限公司 | Inverted constant-current power supply control system for stud welder |
| CN203292690U (en) * | 2013-06-06 | 2013-11-20 | 林依弟 | Metal defect remedying machine |
| CN203933438U (en) * | 2014-06-24 | 2014-11-05 | 胡长建 | A kind of high-power single inversion stud welding machine |
| CN206105115U (en) * | 2016-08-29 | 2017-04-19 | 吴忠市黄河电焊机有限公司 | Multistation contravariant direct current manual electric arc welding machine |
-
2017
- 2017-04-24 CN CN201710269764.4A patent/CN107020441A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103599U (en) * | 2011-05-26 | 2012-01-04 | 昆山瑞凌焊接科技有限公司 | Inverted constant-current power supply control system for stud welder |
| CN203292690U (en) * | 2013-06-06 | 2013-11-20 | 林依弟 | Metal defect remedying machine |
| CN203933438U (en) * | 2014-06-24 | 2014-11-05 | 胡长建 | A kind of high-power single inversion stud welding machine |
| CN206105115U (en) * | 2016-08-29 | 2017-04-19 | 吴忠市黄河电焊机有限公司 | Multistation contravariant direct current manual electric arc welding machine |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170808 |