CN107414251A - Welding equipment, arcing determination processing method and device - Google Patents
Welding equipment, arcing determination processing method and device Download PDFInfo
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- CN107414251A CN107414251A CN201710835448.9A CN201710835448A CN107414251A CN 107414251 A CN107414251 A CN 107414251A CN 201710835448 A CN201710835448 A CN 201710835448A CN 107414251 A CN107414251 A CN 107414251A
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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
- B23K9/095—Monitoring or automatic control of welding parameters
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Abstract
The disclosure provides a kind of welding equipment, arcing determination processing method and arcing determination processing device, is related to welding technology field.The arcing determination processing method of the disclosure is used for welding equipment, and the welding equipment can send an arcing and judge signal, and the arcing determination processing method includes：Receive the arcing and judge signal, gather the output current of the welding equipment.Determine the given voltage of the welding equipment.The given voltage is controlled to be not more than first threshold.Judge whether the output current of the welding equipment declines.When the output current declines, judge that the welding equipment enters arc stage.
Description
Technical field
This disclosure relates to welding technology field, in particular to a kind of welding equipment, arcing determination processing method and combustion
Arc determination processing device.
Background technology
Welding, as a kind of common Joining Technology, industrially there is quite varied application.Wherein, electric arc welds
It is a kind of relatively conventional welding manner, for using the welding of the electric arc of short circuiting transfer, it is usually required successively through too short
Road stage and arc stage.At present, arc-welding equipment uses wave control technology mostly, i.e., for different welding wires and protection
Gas, different control modes is used in short-circuit stage and arc stage.Therefore, accurate judgement enters arcing rank from short-circuit stage
The opportunity of section is particularly significant.
In the prior art, because arc voltage is difficult to direct measurement, thus the general output voltage using welding equipment is made
To enter the judgment basis of arc stage from short-circuit stage.When output voltage reaches predetermined voltage threshold, an arcing can be generated
Judge signal, so as to terminate the short-circuit waveform control process of short-circuit stage, and enter the arcing control process of arc stage, by short
The road stage enters arc stage.
But due to the influence of voltage cable and some interference signals so that output voltage and the arc voltage of reality are deposited
In deviation, easily there is error in the result of the judgement carried out using output voltage, that is, judges by accident.It is likely to appear in short-circuit rank
Section i.e. start arcing control process phenomena such as, easily cause electric arc disorder, there is jackscrew, collapse silk or electric arc extremely it is upper combustion etc. ask
Topic.
It should be noted that information is only used for strengthening the reason to the background of the disclosure disclosed in above-mentioned background section
Solution, therefore can include not forming the information to prior art known to persons of ordinary skill in the art.
The content of the invention
The purpose of the disclosure is to provide a kind of welding equipment, arcing determination processing method and arcing determination processing device,
And then one or more problem caused by the limitation of correlation technique and defect is at least overcome to a certain extent.
According to an aspect of this disclosure, there is provided a kind of arcing determination processing method, for welding equipment, the welding is set
The standby arcing that can send judges signal, including：
Receive the arcing and judge signal, gather the output current of the welding equipment；
Determine the given voltage of the welding equipment；
The given voltage is controlled to be not more than first threshold；
Judge whether the output current of the welding equipment declines；
When the output current declines, judge that the welding equipment enters arc stage.
In a kind of exemplary embodiment of the disclosure, judge that the welding equipment includes into arc stage：
When the output current declines, judge whether the fall of the output current is less than Second Threshold；
When the fall of the output current is not less than the Second Threshold, judge that the welding equipment enters arcing
Stage.
In a kind of exemplary embodiment of the disclosure, the arcing determination processing method also includes：
The output current is controlled to be not more than the 3rd threshold value.
In a kind of exemplary embodiment of the disclosure, the given voltage is controlled to include no more than first threshold：
Judge whether the given voltage is more than the first threshold；
When the given voltage is more than the first threshold, the given voltage is adjusted to the first threshold.
In a kind of exemplary embodiment of the disclosure, the output current is controlled to include no more than the 3rd threshold value：
Judge whether the output current is more than the 3rd threshold value；
When the output current is more than three threshold value, the output current is adjusted to the 3rd threshold value.
In a kind of exemplary embodiment of the disclosure, determine that the given voltage includes：
Gather the prospective current of the welding equipment；
The given voltage is calculated according to the output current and the prospective current.
In a kind of exemplary embodiment of the disclosure, the arcing determination processing method also includes：
Gather the output voltage of the welding equipment；
Judge whether the output voltage rises；
When the output voltage rises, judge that the welding equipment enters arc stage.
In a kind of exemplary embodiment of the disclosure, judge that the welding equipment includes into arc stage：
When the output voltage rises, judge whether the ascensional range of the output voltage is less than the 4th threshold value；
When the ascensional range of the output voltage is not less than four threshold value, judge that the welding equipment enters arcing
Stage.
According to an aspect of this disclosure, there is provided a kind of arcing determination processing device, for welding equipment, the welding is set
The standby arcing that can send judges signal, including：
Collecting unit, judge signal for receiving the arcing, gather the output current of the welding equipment；
Voltage determination unit, for determining the given voltage of the welding equipment；
Compression limiter, for controlling the given voltage to be not more than first threshold；
Judging unit, for judging whether the output current of the welding equipment declines；And decline in the output current
When, judge that the welding equipment enters arc stage.
According to an aspect of this disclosure, there is provided a kind of welding equipment, including the arcing judgement described in above-mentioned any one
Processing unit.
Welding equipment, arcing determination processing method and the arcing determination processing device of the disclosure, can sentence receiving arcing
After determining signal, the given voltage is controlled to be not more than first threshold the given voltage of welding equipment, to prevent the defeated of welding equipment
It is excessive to go out voltage, so as to play a part of pressure limiting.At the same time, can the output current of real-time judge welding equipment whether decline,
And when output current declines, judge that the welding equipment enters arc stage.Thus, signal can be judged receiving arcing
Afterwards, the opportunity for entering arc stage is judged again, due to being controlled given voltage, judges knot so as to improve
The accuracy of fruit, in the case of avoiding arcing judgement signal wrong, terminate the short-circuit waveform control process of short-circuit stage and start
The arcing control process of arc stage, so as to reduce the risk that electric arc gets muddled, be advantageous to improve welding quality and equipment peace
Entirely.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.It should be evident that drawings in the following description are only the disclosure
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the flow chart of the embodiment of disclosure arcing determination processing method one.
Fig. 2 is the flow chart of the embodiment of step 130 one in Fig. 1.
Fig. 3 is the flow chart of the embodiment of step 150 one in Fig. 1.
Fig. 4 is the flow chart of another embodiment of disclosure arcing determination processing method.
Fig. 5 is the flow chart of the embodiment of step 160 one in Fig. 4.
Fig. 6 is the flow chart of step S170~step 190 of disclosure arcing determination processing method.
Fig. 7 is the flow chart of the embodiment of step 190 one in Fig. 6.
Fig. 8 is the block diagram of disclosure arcing determination processing device.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, these embodiments are provided so that the disclosure will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, knot
Structure or characteristic can be incorporated in one or more embodiments in any suitable manner.In the following description, there is provided permitted
More details fully understand so as to provide to embodiment of the present disclosure.It will be appreciated, however, by one skilled in the art that can
Omitted with putting into practice the technical scheme of the disclosure one or more in the specific detail, or others side can be used
Method, constituent element, device, step etc..In other cases, be not shown in detail or describe known solution a presumptuous guest usurps the role of the host to avoid and
So that each side of the disclosure thickens.
In addition, accompanying drawing is only the schematic illustrations of the disclosure, it is not necessarily drawn to scale.Identical accompanying drawing mark in figure
Note represents same or similar part, thus will omit repetition thereof.Some block diagrams shown in accompanying drawing are work(
Can entity, not necessarily must be corresponding with physically or logically independent entity.These work(can be realized using software form
Energy entity, or these functional entitys are realized in one or more hardware modules or integrated circuit, or at heterogeneous networks and/or place
These functional entitys are realized in reason device device and/or microcontroller device.
Term "one", " one ", "the" and " described " to represent to exist one or more elements/part/etc.；With
Language " comprising " and " having " to represent it is open be included look like and refer to key element/composition portion except listing
Also may be present outside divide/waiting other key element/part/etc.；Term " first ", " second ", " the 3rd " and " the 4th " etc. is only
Used as mark, be not the quantity limitation to its object.
A kind of arcing determination processing method is provided in this example embodiment, for a welding equipment, the welding equipment
Short-circuit waveform control can be carried out in short-circuit stage, carry out arcing control in arc stage, specifically refer to existing short-circuit waveform
Control and the mode of arcing control, will not be described in detail herein.The welding equipment can detect its output voltage in real time, and by output voltage
Compared with a voltage threshold, when output voltage is more than or equal to the voltage threshold, an arcing can be generated and judge signal, made
To terminate the switching signal that short-circuit waveform control starts arcing control.
As shown in figure 1, the arcing determination processing method of this example embodiment can include：
Step S110, receive the arcing and judge signal, gather the output current of the welding equipment；
Step S120, the given voltage of the welding equipment is determined；
Step S130, the given voltage is controlled to be not more than first threshold；
Step S140, judge whether the output current of the welding equipment declines；
Step S150, when the output current declines, judge that the welding equipment enters arc stage.
The arcing determination processing method of disclosure example embodiment, can be after receiving arcing and judging signal, to welding
The given voltage of equipment controls the given voltage to be not more than first threshold, to prevent the output voltage of welding equipment excessive, so as to
Play a part of pressure limiting.At the same time, can the output current of real-time judge welding equipment whether decline, and decline in output current
When, judge that the welding equipment enters arc stage.Thus, can be after receiving arcing and judging signal, into arc stage
Opportunity judged again, due to controlling output voltage, so as to improve the accuracy of result of determination, avoid firing
In the case that arc judges that signal is wrong, terminate the short-circuit waveform control process of short-circuit stage and start the arcing control of arc stage
Process, so as to reduce the risk that electric arc gets muddled, be advantageous to improve welding quality and equipment safety.
Below, each step of the arcing determination processing method in this example embodiment will be further detailed.
In step s 110, receive the arcing and judge signal, and gather the output current of the welding equipment.
Arcing judges that signal can be that welding equipment is produced after detecting that output voltage is more than a voltage threshold.Connecing
Before receiving arcing judgement signal, welding equipment is in short-circuit stage, and carries out short-circuit waveform control, sentences receiving the arcing
When determining signal, short-circuit waveform control can not be stopped immediately, and be to continue with keeping original short-circuit waveform control, meanwhile, can be real
When gather welding equipment output current, it is, of course, also possible to gather the other parameters such as prospective current.For collection output current or
The mode of other parameters refers to existing current data acquisition mode, will not be described in detail herein.
In the step s 120, the given voltage of the welding equipment is determined.
Given voltage can be by being directly acquired determination to welding equipment, also can be by gathering other data and being computed
To determine, for example, determine that given voltage can include：
Gather the prospective current of welding equipment；
Given voltage is calculated according to above-mentioned output current and prospective current.
Wherein, gathering the process of the prospective current and above-mentioned output current can be carried out simultaneously, that is to say, that can received
After arcing judges signal, while gather output current and prospective current.Given voltage is calculated according to output current and prospective current
Method can use PI control algolithms, due in the case of known output current and prospective current, calculated given voltage
For known technology, therefore will not be described in detail herein.
In step s 130, the given voltage is controlled to be not more than first threshold.
First threshold can be a magnitude of voltage, and its size does not do particular determination herein, can rule of thumb data or through excessive
The secondary test data measured of testing determines, when given voltage is more than the first threshold, may result in the output of welding equipment
Overtension, so as to influence the accuracy of final result of determination.As shown in Fig. 2 control given voltage is no more than first threshold
Method can include step S1301 and step S1302, wherein：
In step S1301, judge whether the given voltage is more than the first threshold.
Compared with can carrying out given voltage and first threshold in real time, draw given voltage greater than, equal to or less than the first threshold
The result of value.
In step S1302, when the given voltage is more than the first threshold, the given voltage is adjusted to institute
State first threshold.
If drawing, given voltage is more than the result of first threshold, the given voltage of welding equipment can be arranged into first threshold
And exported；If drawing, given voltage is less than or equal to the result of first threshold, and given voltage can not be adjusted, and protects
Hold its original output state.
In step S140, judge whether the output current of the welding equipment declines.
The output current at one first moment and an output current at the rear moment can be compared, the first moment and
At the time of the moment can be two adjacent collection output currents afterwards, if the first moment should be less than in the output current at rear moment
Output current, then illustrate that output current declines.
In the other embodiment of the disclosure, other manner can also be used by judging whether output current declines, herein
No longer it is described in detail.
In step S150, when the output current declines, judge that the welding equipment enters arc stage.
Because output current declines the key character for being short-circuit stage into arc stage, therefore, output current is being judged
During decline, it can directly judge that welding equipment enters arc stage.
Certainly, when output current declines, also output current can further be judged, specifically, such as Fig. 3 institutes
Show, judge that the welding equipment can include step S1501 and step S1502 into the method for arc stage, wherein：
In step S1501, when the output current declines, it can determine whether the fall of the output current is small
In Second Threshold.
The fall of output current can judge the output current and previous moment at the time of output current declines
The absolute value of the difference of output current.Second Threshold can be a current value, and its size does not do particular determination herein, can be according to warp
The test data tested data or measured by test of many times determines.Compared with can output current be carried out in real time with Second Threshold, obtain
Go out output current greater than, equal to or less than Second Threshold result.
In step S1502, when the fall of the output current is not less than the Second Threshold, the weldering is judged
Connect equipment and enter arc stage.
When the fall of output current is more than or equal to Second Threshold, the decline that illustrates output current be it is real and
The accidental fluctuation or measurement error of output current it are not, at this point it is possible to judge to enter arc stage, so as to terminate short-circuit ripple
Shape control process and start arcing control process.When the fall of output current is less than Second Threshold, then explanation output is electric
The decline of stream is probably accidental fluctuation or measurement error, now, can continue to keep original short-circuit waveform control, not make entrance
The judgement of arc stage, arcing control is not started.Thus, be advantageous to further avoid judging by accident, improve the standard of final result of determination
True property.
In this example embodiment, as shown in figure 4, above-mentioned arcing determination processing method can also include：
Step S160, the output current is controlled to be not more than the 3rd threshold value.
3rd threshold value can be a current value, and its size does not do particular determination herein, can rule of thumb data or through excessive
The secondary test data measured of testing determines, when output current is more than three threshold values, may result in the output of welding equipment
Electric current is too high, causes welding equipment to damage, and influences the accuracy of final result of determination.
In step S160, as shown in figure 5, control output current can include step no more than the method for the 3rd threshold value
S1601 and step S1602, wherein：
In step S1601, judge whether the output current is more than the 3rd threshold value.
Compared with can carrying out output current and the 3rd threshold value in real time, draw output current greater than, equal to or less than the 3rd threshold
The result of value.
In step S1602, when the output current is more than three threshold value, the output current is adjusted to institute
State the 3rd threshold value.
If drawing, output current is more than the result of the 3rd threshold value, the output current of welding equipment can be arranged into the 3rd threshold value
And exported；If drawing, output current is less than or equal to the result of the 3rd threshold value, and output current can not be adjusted, and protects
Hold its original output state.
In this example embodiment, as shown in fig. 6, above-mentioned arcing determination processing method can also include：
Step S170, the output voltage of the welding equipment is gathered；
Step S180, judge whether the output voltage rises；
Step S190, when the output voltage rises, judge that the welding equipment enters arc stage.
In step S170, the output voltage of the welding equipment is gathered.
The process for gathering output voltage synchronous with gathering the process of output current in step S110 can be carried out, that is to say, that
After receiving arcing and judging signal, output current, prospective current and output voltage can be gathered in real time.
In step S180, judge whether the output voltage rises.
The output voltage at one first moment and an output voltage at the rear moment can be compared, the first moment and
At the time of being two adjacent collection output voltages at the rear moment, if output voltage that should be at the rear moment be more than the first moment
Output voltage, then illustrate output voltage rise.
In the other embodiment of the disclosure, other manner can also be used by judging whether output voltage rises, herein
No longer it is described in detail.
In step S190, when the output voltage rises, judge that the welding equipment enters arc stage.
Can be using output voltage as the basis for estimation judged whether into arc stage.That is, in output voltage drop
When low or output voltage rises, it can be determined that into arc stage, certainly, reduced in output voltage and output voltage rises
When, it can also judge to enter arc stage.
Certainly, when output voltage declines, also output voltage can further be judged, specifically, such as Fig. 7 institutes
Show, judge that the welding equipment can include step S1901 and step S1902 into the method for arc stage, wherein：
In step S1901, when the output voltage rises, it can determine whether the ascensional range of the output voltage is small
In the 4th threshold value.
The ascensional range of output voltage can judge the output voltage and previous moment at the time of output voltage rises
The absolute value of the difference of output voltage.4th threshold value can be a magnitude of voltage, and its size does not do particular determination herein, can be according to warp
The test data tested data or measured by test of many times determines.Compared with can output voltage be carried out in real time with the 4th threshold value, obtain
Go out output voltage greater than, equal to or less than the 4th threshold value result.
In step S1902, when the ascensional range of the output voltage is not less than four threshold value, the weldering is judged
Connect equipment and enter arc stage.
When the ascensional range of output voltage is more than or equal to four threshold values, the rising that illustrates output voltage be it is real and
The accidental fluctuation or measurement error of output voltage it are not, at this point it is possible to judge to enter arc stage, so as to terminate short-circuit ripple
Shape controls and starts arcing control.Be advantageous to further avoid judging by accident, improve the accuracy of final result of determination.
Thus, it is not less than Second Threshold in the reduction amplitude of output current, or it is not small in the ascensional range of output voltage
When four threshold values, it can be determined that into arc stage, certainly, be not less than Second Threshold in the reduction amplitude of output current,
And the ascensional range of output voltage can also judge to enter arc stage when being not less than four threshold values.
Following is apparatus of the present invention embodiment, can be used for performing the inventive method embodiment.Filled for the present invention
The details not disclosed in embodiment is put, refer to the inventive method embodiment.
Disclosure example embodiment provides a kind of arcing determination processing device, and available for a welding equipment, the welding is set
It is standby to be illustrated in above method embodiment, it will not be described in detail herein.
As shown in figure 8, the arcing determination processing device of this example embodiment can include collecting unit 1, voltage determines
Unit 2, compression limiter 3 and judging unit 4.
In this example embodiment, collecting unit 1 can be used for receiving the arcing judgement signal, gather the welding
The output current of equipment.It is, of course, also possible to the other parameters such as prospective current, output voltage are gathered simultaneously.
In this example embodiment, voltage determination unit 2 is determined for the given voltage of the welding equipment.Can
The given voltage of welding equipment is directly obtained, output current and the expection of the welding equipment of the collection of collecting unit 1 can also be utilized
Electric current, and given voltage is calculated according to output current and prospective current, or given voltage can also be obtained using other manner.
In this example embodiment, compression limiter 3 can be used for controlling the given voltage to be not more than first threshold.
In this example embodiment, judging unit 4 can be used for judging the welding equipment output current whether under
Drop, and when the output current declines, judge that the welding equipment enters arc stage.
The detail of each unit is in corresponding arcing determination processing method in above-mentioned arcing determination processing device
It is described in detail, therefore here is omitted.
Disclosure example embodiment additionally provides a kind of welding equipment, and the welding equipment of this example embodiment can wrap
Include the arcing determination processing device of any of the above-described example embodiment.
Certainly, the welding equipment of this example embodiment can also include other components, specifically refer to existing welding
Equipment, it will not be described in detail herein.
It should be noted that although some modules or list of the equipment for action executing are referred in above-detailed
Member, but this division is not enforceable.In fact, according to embodiment of the present disclosure, it is above-described two or more
Either the feature of unit and function can embody module in a module or unit.A conversely, above-described mould
Either the feature of unit and function can be further divided into being embodied by multiple modules or unit block.
In addition, although describing each step of method in the disclosure with particular order in the accompanying drawings, still, this does not really want
These steps must be performed according to the particular order by asking or implying, or the step having to carry out shown in whole could be realized
Desired result.It is additional or alternative, it is convenient to omit some steps, multiple steps are merged into a step and performed, and/
Or a step is decomposed into execution of multiple steps etc..
Through the above description of the embodiments, those skilled in the art is it can be readily appreciated that example described herein is implemented
Mode can be realized by software, can also be realized by way of software combines necessary hardware.Therefore, according to the disclosure
The technical scheme of embodiment can be embodied in the form of software product, the software product can be stored in one it is non-volatile
Property storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in or network on, including some instructions are to cause a calculating
Equipment (can be personal computer, server, mobile terminal or network equipment etc.) is performed according to disclosure embodiment
Method.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledges in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by appended
Claim is pointed out.
Claims (10)
1. a kind of arcing determination processing method, for welding equipment, the welding equipment can generate an arcing and judge signal, and it is special
Sign is, including：
Receive the arcing and judge signal, gather the output current of the welding equipment；
Determine the given voltage of the welding equipment；
The given voltage is controlled to be not more than first threshold；
Judge whether the output current of the welding equipment declines；
When the output current declines, judge that the welding equipment enters arc stage.
2. arcing determination processing method according to claim 1, it is characterised in that judge that the welding equipment enters arcing
Stage includes：
When the output current declines, judge whether the fall of the output current is less than Second Threshold；
When the fall of the output current is not less than the Second Threshold, judge that the welding equipment enters arcing rank
Section.
3. arcing determination processing method according to claim 1, it is characterised in that the arcing determination processing method is also wrapped
Include：
The output current is controlled to be not more than the 3rd threshold value.
4. the arcing determination processing method according to any one of claims 1 to 3, it is characterised in that the control given electricity
Pressure includes no more than first threshold：
Judge whether the given voltage is more than the first threshold；
When the given voltage is more than the first threshold, the given voltage is adjusted to the first threshold.
5. arcing determination processing method according to claim 3, it is characterised in that control the output current no more than the
Three threshold values include：
Judge whether the output current is more than the 3rd threshold value；
When the output current is more than three threshold value, the output current is adjusted to the 3rd threshold value.
6. the arcing determination processing method according to any one of claims 1 to 3, it is characterised in that determine the given electricity
Briquetting includes：
Gather the prospective current of the welding equipment；
The given voltage is calculated according to the output current and the prospective current.
7. the arcing determination processing method according to any one of claims 1 to 3, it is characterised in that at the arcing judgement
Reason method also includes：
Gather the output voltage of the welding equipment；
Judge whether the output voltage rises；
When the output voltage rises, judge that the welding equipment enters arc stage.
8. arcing determination processing method according to claim 7, it is characterised in that judge that the welding equipment enters arcing
Stage includes：
When the output voltage rises, judge whether the ascensional range of the output voltage is less than the 4th threshold value；
When the ascensional range of the output voltage is not less than four threshold value, judge that the welding equipment enters arcing rank
Section.
9. a kind of arcing determination processing device, for welding equipment, the welding equipment can send an arcing and judge signal, and it is special
Sign is, including：
Collecting unit, judge signal for receiving the arcing, gather the output current of the welding equipment；
Voltage determination unit, for determining the given voltage of the welding equipment；
Compression limiter, for controlling the given voltage to be not more than first threshold；
Judging unit, for judging whether the output current of the welding equipment declines；And when the output current declines, sentence
The fixed welding equipment enters arc stage.
10. a kind of welding equipment, it is characterised in that including the arcing determination processing device described in claim 9.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213671A (en) * | 2018-01-12 | 2018-06-29 | 唐山松下产业机器有限公司 | Control method, apparatus, electronic equipment and the computer-readable medium of electric welding machine |
| CN109317785A (en) * | 2018-12-11 | 2019-02-12 | 唐山松下产业机器有限公司 | Welding control method |
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| CN107414251B (en) | 2019-06-04 |
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