CN108746936A - Welder system - Google Patents
Welder system Download PDFInfo
- Publication number
- CN108746936A CN108746936A CN201810966937.2A CN201810966937A CN108746936A CN 108746936 A CN108746936 A CN 108746936A CN 201810966937 A CN201810966937 A CN 201810966937A CN 108746936 A CN108746936 A CN 108746936A
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- Prior art keywords
- electric welding
- welding machine
- output
- electric
- welding
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Classifications
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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
- B23K9/1006—Power supply
- B23K9/1012—Power supply characterised by parts of the process
- B23K9/1025—Means for suppressing or reducing DC components in AC arc welding installations
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The present invention relates to welding generator technical fields,More particularly to a kind of welder system,The welder system includes at least one electric welding machine,The welder system is by inversion exchange output with direct current welding output by using the same input terminal --- busbar voltage of the mid-frequency motor three-phase input after rectifier bridge rectification,Reach to exchange inversion with this and input,Output exchanges input with welding,Output is integrated on a component,User is when actually using electric welding machine,A welding current can be preset,Electric welding machine inverter can control output current according to the core diameter size welded,Since the inversion exchange output and direct current welding output of the welder system are by being all to use busbar voltage of the motor three-phase after arrangement,When an electric welding machine bonding power deficiency,At least two electric welding machines with voltage class same specification can be connected by exchanging the both ends of output par, c,Achieve the effect that grid-connected.
Description
Technical field
The present invention relates to electric welding machine technical fields, in particular to a kind of welder system.
Background technology
Existing electric welding machine only has separate unit operational mode, and the power of separate unit power is limited, for example, being moved when one
The rated power of power only has 3000W, but when welding or power generation are used as other purposes, if demand power has been more than 3000W,
Work is carried out using separate unit electric welding machine to will be unable to meet user demand, unique channel is exactly to replace the electric welding machine of more high nominal powers
It can just meet the requirements.But rated power it is bigger electric welding machine build is bigger, heavy and price costly.Cause
This, provides that a kind of can flexibly to provide more powerful welder system be very necessary.
Invention content
The purpose of the present invention is to provide a kind of welder systems, by connecting the ac input division of more electric welding machines point
Get up to carry out grid-connected use, flexibly to improve the power of separate unit electric welding machine, meets a variety of welding demands.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows：
In a first aspect, an embodiment of the present invention provides a kind of welder system, which includes at least one electricity
Welding machine, the welder system is by inversion exchange output with direct current welding output by using the same input terminal --- motor three
Mutually busbar voltage of the input after rectifier bridge rectification is reached with this inversion exchange input, output and welding exchanging input, defeated
Go out to be integrated on a component, user can propose a default welding current, electric welding machine inverter meeting when actually using electric welding machine
Output current is controlled according to the core diameter size welded, the inversion exchange output due to the welder system and direct-current electric welding
Output is connect by being all to use busbar voltage of the motor three-phase after arrangement, when an electric welding machine bonding power deficiency, energy
It is enough to connect at least two electric welding machines with voltage class same specification by exchanging the both ends of output par, c, it should before allowing
The load undertaken by an electric welding machine undertakes by least two units, achievees the effect that power-sharing with this,
Second aspect, the embodiment of the present invention additionally provide a kind of welder system, and the welder system includes at least one
A electric welding machine is each provided with control circuit in the electric welding machine, and the control circuit includes rectifier bridge, inverter, transformer
And output end, the alternating current of the interior engine output being arranged of the electric welding machine are converted to direct current by the rectifier bridge, institute
It states DC current and is converted to alternating current through the inverter, at least one electric welding machine is connected and mutual by the output end
Transmit alternating current；Respond electric welding machine described in demand power typing of the operation of user by the welding rod currently welded；The electric welding machine
The frequency converter of interior setting detects the operating current of the electric welding machine in real time, if the demand power is not achieved in the operating power,
Then by connecting the exchange output par, c of at least two electric welding machines, realizes dividing equally for power, reach and improve electric welding machine work(
The effect of rate.
A kind of welder system provided in an embodiment of the present invention, the welder system include at least one electric welding machine, the electricity
Welder system is by inversion exchange output with direct current welding output by using the same input terminal --- and motor three-phase input passes through
Busbar voltage after over commutation bridge rectification is reached with this by inversion exchange input, output exchange input with welding, output is integrated into
On one component.In actual use, user will the required electric current of welding rod that currently welds of typing, and then set in the electric welding machine
The frequency converter set detects the busbar voltage of the electric welding machine in real time, since welding and the input of inverter output par, c are all to use
The busbar voltage as input, when frequency converter detect a certain busbar voltage it is too low when, which can pass through friendship
Output par, c connection is flowed, to reach the power of in addition at least one electric welding machine, by exchanging output par, c after over commutation
The power that spilling is shared to the electric welding machine of power missing is realized dividing equally for power, the electric welding of working condition is currently at supplement
The power of machine.It can be seen that when an at least electric welding machine underpower, this programme is by exporting the exchange of more electric welding machines
Part connects progress parallel connection, the flexible allotment of separate unit electric welding acc power is realized, to meet a variety of welding demands.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows a kind of structural schematic diagram of the control circuit of electric welding machine provided in an embodiment of the present invention.
Fig. 2 shows a kind of electrical block diagrams of welder system provided in an embodiment of the present invention.
Diagram：100- control circuits；110- engines；120- rectifier bridges；130- inverters；140- output ends；200- electricity
Welder system circuit.
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
It cannot be satisfied the welding demand of variation due to the use of separate unit electric welding machine, such as use solderable 3.2 type of separate unit electric welding machine
Number welding rod, but its power possibly can not weld the welding rods of 4.0 models, only replace more powerful electric welding machine ability at this time
Meet welding demand.As a result, in order to meet diversified welding demand so that separate unit electric welding machine can weld 3.2 models simultaneously
With the welding rod of 4.0 models, or various types of welding rods are welded simultaneously, reach and avoid replacing electric welding machine or need to find high-power electricity
The purpose of welding machine, an embodiment of the present invention provides a kind of welder systems, grid-connected by being carried out to more electric welding machines, cleverly
It can regard the inverse of rectifier bridge with inverter bridge, more electric welding machine parallel connections are achieved the effect that into dilatation, are realized to different model
The purpose that is processed of welding rod, meet diversified welding demand.
The welder system includes at least one electric welding machine, and welder system welds inversion exchange output with direct current defeated
Going out by using the same input terminal --- busbar voltage of the motor three-phase input after rectifier bridge rectification, being reached with this will be inverse
Become exchange input, output and welding exchange input, export be integrated on a component, also i other words, multiple electric welding machines pass through friendship
Stream output par, c connect carry out it is grid-connected, to realize being complementary to one another for power.
Fig. 1 is please referred to, is a kind of structural schematic diagram of the control circuit 100 of electric welding machine provided in an embodiment of the present invention.It should
Control circuit 100 includes transformer, engine 110, rectifier bridge 120, inverter 130 and output end 140, the engine 110
Alternating current is exported to rectifier bridge 120, direct current is obtained after the conversion of rectifier bridge 120, the direct current is using 130 turns of inverter
Output is changed to after alternating current to transformer (not shown), which is converted to the alternating current defeated after predeterminated voltage size
Go out to output end 140, to be welded to the welding rod that need to currently weld.Also i other words, welding rod is carried out using separate unit electric welding machine
When welding, the engine output power of the electric welding machine welds welding rod by the output of output end 140 after control circuit is handled
It connects, the power maximum of the welding can be the rated power of the electric welding machine.
The welder system includes multiple electric welding machines, and multiple electric welding machine is connected by ac output end, also i other words, electricity
It is attached by the output end of control circuit 140 between welding machine, when the operating power of wherein one electric welding machine is inadequate, can be led to
It crosses the output end 140 to connect with other units, realizes dividing equally for power.
Fig. 2 is please referred to, is a kind of electrical block diagram of welder system provided in an embodiment of the present invention, the electric welding machine
The circuit of system is that the control circuit of two electric welding machines is attached the circuit to be formed by output end 140, more preferably, the phase
The voltage specification of the electric welding machine to connect is identical.
When the welder system is worked, first, the demand current typing of the welding rod currently welded can be welded by user
In machine, it should be noted that different demand currents is corresponded to when the welding rod welding of different-diameter, i other words, 3.2 models and 4.0
The welding rod of model corresponds to different size of welding current.
Secondly, the frequency converter being arranged in the electric welding machine is by the busbar voltage of real-time detection electric welding machine, if the busbar voltage reaches
Less than the value of demand, then calculates and be currently at the performance number that the electric welding machine of working condition lacks, and pass through output end 140 and other
Electric welding machine connection realization is grid-connected, reaches dividing equally for power, the electric welding machine of working condition is currently at supplement so that it can be smooth
Work is processed the welding rod of different directly sizes, more powerful electric welding machine need not be replaced due to underpower, saves and adds
Work flow.
Readily comprehensible, the power of the unit is enough, then the electric welding machine directly distribute demand power of corresponding size so that
Electric welding machine is obtained to weld current welding rod.
The case where below to using welder system to process welding rod, is illustrated, if the welder system includes two
Platform electric welding machine, and underpower when wherein one electric welding machining current welding rod, if the electric welding machine of another connection is not located at this time
Sufficient in working condition or in running order but power, then it is equal can to reach power by connection output end 140 for the electric welding machine
The effect divided, to ensure that current welding is smoothed out.I other words in addition an electric welding machine can pass through internal control circuit 100
The power that itself engine 110 exports is input in the electric welding machine of scarce power after treatment by output end 140, to support
The electric welding machine works normally.
Or the welder system can also include more electric welding machines, for 3, which passes through output end
140 are connected with each other, and when a wherein electric welding machine underpower, current use power can be made to pass through output end 140 by 3 machines
Group connects, by the power-sharing of single unit.
It can be seen that a kind of welder system provided in an embodiment of the present invention, by the way that more electric welding machines are carried out grid-connected company
It connects so that, can be by other certain and more electricity there are when the underpower of one or more electric welding machine in the welder system
The inverter bridge of welding machine as rectifier bridge with having the function that dilatation, can by should the power that undertakes of a unit, this has will be more
Platform unit undertakes, and to ensure the normal work of electric welding machine, can the welding rod of different size be carried out by being achieved in every electric welding machine
Processing.
In conclusion the welder system exports inversion exchange output and direct current welding by using the same input
End --- busbar voltage of the motor three-phase input after rectifier bridge rectification is reached with this by inversion exchange input, output and weldering
Connect exchange input, output be integrated on a component, user can carry a default welding current when actually using electric welding machine,
Electric welding machine inverter can control output current according to the core diameter size welded, since the inversion of the welder system exchanges
Output and direct current welding output are by being all to use busbar voltage of the motor three-phase after arrangement, when an electric welding machine welds
When underpower, at least two electric welding machines with voltage class same specification can be connected by exchanging the both ends of output par, c
Come, the load that should be undertaken by an electric welding machine before allowing undertakes by least two units, reaches power-sharing with this
Effect realizes the flexible allotment of separate unit electric welding acc power, to meet a variety of welding demands.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
Claims (10)
1. a kind of welder system, which is characterized in that the welder system includes at least one electric welding machine, each electric welding
The input that machine welding is exchanged with inversion is the busbar voltage using three phase electric machine after over commutation, and welding portion and inversion are handed over
Stream output par, c is integrated on a frequency converter；
Respond electric welding machine described in demand current typing of the operation of user by the welding rod currently welded；
The electric welding machine detect in real time welding when busbar voltage, if an at least electric welding machine welding when due to underpower
When, which can connect at least two electric welding machines by that will exchange output par, c, and reaching makes this by least
The power that one electric welding machine undertakes, allows the effect that at least two electric welding machines undertake.
2. the system as claimed in claim 1, which is characterized in that the control circuit include rectifier bridge, inverter, transformer with
And output end, and the same rectifier bridge is used, the same input terminal is integrated on an inverter, is arranged in the electric welding machine
The alternating current of engine output is converted to direct current by the rectifier bridge, and inversion exchange output and the direct current output welded all are adopted
Use the direct current after rectifier bridge rectification as input.
3. system as claimed in claim 2, which is characterized in that the inversion of the control circuit at least one electric welding machine is handed over
Stream and welding portion are used as input using a busbar voltage after rectifier bridge rectification, are connected with each other by the output end
To realize that at least two electric welding machine is connected with each other, and alternating current is transmitted by the output end.
4. the system as claimed in claim 1, which is characterized in that if electric welding machine can meet the needs of bonding power in welding,
It is then that the electric welding machine distributes corresponding demand operating power so that the electric welding machine welds current welding rod.
5. the system as claimed in claim 1, which is characterized in that if the electric welding machine underpower, electric welding in welding
Machine can be connect with an at least electric welding machine by exchanging output par, c, can be by other certain and the inverter bridge of more electric welding machines
As rectifier bridge with dilatation is haved the function that, achieve the effect that improve bonding power.
6. the system as claimed in claim 1, which is characterized in that correspond to different demands when the welding rod welding of different-diameter
Electric current.
7. a kind of welder system, which is characterized in that the welder system includes at least one electric welding machine, each electric welding machine weldering
It connects the input exchanged with inversion and uses busbar voltage of the three phase electric machine after over commutation, and welding portion is exchanged into output with inversion
It is partially integrated on a frequency converter.
Respond electric welding machine described in demand current typing of the operation of user by the welding rod currently welded；
The electric welding machine detect in real time welding when busbar voltage, if an at least electric welding machine welding when due to underpower
When, which can be by connecting at least two electric welding machines by that will exchange output par, c, can will be other
The inverter bridge of certain and more electric welding machines, with dilatation is haved the function that, reaches that make should an at least electric welding machine as rectifier bridge
The power undertaken, allows the effect that at least two electric welding machines undertake；
Respond electric welding machine described in demand current typing of the operation of user by the welding rod currently welded；
The electric welding machine detect in real time welding when busbar voltage, if an at least electric welding machine welding when due to underpower
When, which can reach that make should by connecting at least two electric welding machines by that will exchange output par, c
The power that at least an electric welding machine undertakes, allows the effect that at least two electric welding machines undertake.
8. system as claimed in claim 7, which is characterized in that the control circuit include rectifier bridge, inverter, transformer with
And output end, and by the above-mentioned several parts for including by using the same rectifier bridge, the same input terminal be integrated in one it is inverse
Become on device, the alternating current for the engine output being arranged in the electric welding machine is converted to direct current by the rectifier bridge, and inversion is handed over
Direct current of the direct current output of stream output and welding all using described after rectifier bridge rectification, which is used as, to be inputted.
9. system as claimed in claim 7, which is characterized in that the inversion of the control circuit at least one electric welding machine is handed over
Stream and welding portion are used as input using a busbar voltage after rectifier bridge rectification, are connected with each other by the output end
To realize that at least two electric welding machine is connected with each other, and alternating current is transmitted by the output end.
10. system as claimed in claim 7, which is characterized in that correspond to different need when the welding rod welding of different-diameter
Seek electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966937.2A CN108746936A (en) | 2018-08-23 | 2018-08-23 | Welder system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966937.2A CN108746936A (en) | 2018-08-23 | 2018-08-23 | Welder system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108746936A true CN108746936A (en) | 2018-11-06 |
Family
ID=63967622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810966937.2A Pending CN108746936A (en) | 2018-08-23 | 2018-08-23 | Welder system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108746936A (en) |
Citations (6)
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| DE202009008641U1 (en) * | 2009-06-22 | 2009-09-03 | Shenzen Jasic Technology Development Co., Ltd. | IGBT inverter arc welding machine |
| CN102689079A (en) * | 2011-03-22 | 2012-09-26 | 上海控源电子科技有限公司 | Digital generating electric welding machine |
| CN103414285A (en) * | 2013-08-30 | 2013-11-27 | 维尔纳（福建）电机有限公司 | Generating and electrowelding dual-purpose machine |
| CN104660085A (en) * | 2013-11-18 | 2015-05-27 | 华东理工大学 | Wireless synchronous output parallel inverter, inverter set and operating method |
| CN204504465U (en) * | 2015-03-10 | 2015-07-29 | 上海沪工焊接集团股份有限公司 | Parallel type inversion electric power main circuit |
| CN207494820U (en) * | 2017-08-02 | 2018-06-15 | 宁夏金博乐食品科技有限公司 | Suitable for the inverter welder circuit of mining exchange 660V power supplys |
-
2018
- 2018-08-23 CN CN201810966937.2A patent/CN108746936A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009008641U1 (en) * | 2009-06-22 | 2009-09-03 | Shenzen Jasic Technology Development Co., Ltd. | IGBT inverter arc welding machine |
| CN102689079A (en) * | 2011-03-22 | 2012-09-26 | 上海控源电子科技有限公司 | Digital generating electric welding machine |
| CN103414285A (en) * | 2013-08-30 | 2013-11-27 | 维尔纳（福建）电机有限公司 | Generating and electrowelding dual-purpose machine |
| CN104660085A (en) * | 2013-11-18 | 2015-05-27 | 华东理工大学 | Wireless synchronous output parallel inverter, inverter set and operating method |
| CN204504465U (en) * | 2015-03-10 | 2015-07-29 | 上海沪工焊接集团股份有限公司 | Parallel type inversion electric power main circuit |
| CN207494820U (en) * | 2017-08-02 | 2018-06-15 | 宁夏金博乐食品科技有限公司 | Suitable for the inverter welder circuit of mining exchange 660V power supplys |
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| 熊开纬: "直流输电用可控硅换流器", vol. 1, 水利电力出版社, pages: 266 * |
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