CN100466119C - Synergistic arc welding transformer - Google Patents
Synergistic arc welding transformer Download PDFInfo
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- CN100466119C CN100466119C CNB200410063084XA CN200410063084A CN100466119C CN 100466119 C CN100466119 C CN 100466119C CN B200410063084X A CNB200410063084X A CN B200410063084XA CN 200410063084 A CN200410063084 A CN 200410063084A CN 100466119 C CN100466119 C CN 100466119C
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- arc
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- synergistic
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Abstract
The output weld arc voltage of boost arc-weld transformer is advantaged at increasing the arc effect and combustion stability and reducing splash and output-voltage operation value by 40% after amplified by an arc amplifier. When output voltage is 30-55V, it meets the needs of ordinary filter rod operation, when at 34v-36v, a safety boost arc welding transformer can be processed, when at 55v-70v, it enters into the constant welding arc property state, alters the output voltage U2 and meets the needs of specific high quality arc equipments.
Description
Affiliated technical field the present invention relates to a kind of Synergistic arc welding transformer secondary output welding arc voltage after the enhancing of electric arc amplifier circuit, processing and amplifying, possesses the output of enhancing welding arc voltage, amplification arc burning stability and energy-conservation specific function.Welding arc splashes less, the electric arc impulsive force is moderate, reduces output voltage utilization value 40% than arc welding transformer commonly used, reduces power supply power consumption more than 40%.Be applicable to thick, in, thin various steel.Various electrode arc welding operations.---55V, the high-quality type 55V---Synergistic arc welding transformer of 70V that can be made into safety-type 34V-36V, universal 30V.
Background technology is present, known arc welding transformer structure commonly used is by three post magnetic-leakage type arc welding transformer iron cores [middle core limb is the moving core L of band air-gap], but, existing arc welding transformer commonly used does not possess the output of enhancing welding arc voltage, amplifies arc burning stability and energy-conservation specific function.Below according to known existing commonly used arc welding transformer BX1, BX3 series technique data, the total technical indicator of statistics, total technical performance: 1, during the every KVA of power supply input capacity, the output welding current is between 11-18A.2, exist power consumption efficiency low, the shortcoming that power consumption is big.3, striking voltage should satisfy more than the 50V.4, output voltage is at 55-90V, and the national regulation output voltage is not more than 80V, should add safety guard more than the 80V.5, output voltage is high with the arc voltage ratio, at 1.77-2.66 doubly.6, short circuit current be normal welding current 1.25-2 doubly.7, there are electric arc splash many, welding arc poor stability, power consumption efficiency is low and the electric arc impulsive force is big deficiency.
Summary of the invention for overcome known existing commonly used arc welding transformer BX1, there is intrinsic not enough problem in BX3 series technique feature.The invention provides a kind of Synergistic arc welding transformer, the electric arc amplifier circuit of this Synergistic arc welding transformer possesses the output of enhancing welding arc voltage, amplifies arc burning stability and energy-conservation specific function.
The technical solution adopted for the present invention to solve the technical problems is in casing, and moving-iron type is used arc welding transformer always, and L is equivalent to the leakage inductance of transformer, regulates I with regulating the L leakage inductance
2[see Fig. 7, see Fig. 9].W
1Form by two coils, on A, B primary side, the W on the A
1An end and the W on the B
1Two binding posts of another termination power input connect input power supply [see Fig. 1, see Fig. 9].W
2Form by two coils, on A, B primary side, the W on the A
2W on one end and the B
2Two binding posts of another termination output, wherein a termination weldment: another termination electrode holders are electrically connected welding [see Fig. 1, see Fig. 9].It is characterized in that: primary side is set up Wc and C.Wc is made up of two coils, [sees Fig. 1, sees Fig. 9] on A, B primary side, and Wc one end on the A is connected [see Fig. 1, see Fig. 8] with the end of C, and the last Wc other end of B is connected [see Fig. 1, see Fig. 8] with the other end of C.C is connected with the end of C with Wc one end on A
See Fig. 1, see Fig. 8
, the Wc other end on the B is connected with the other end of C
See Fig. 1, see Fig. 8
, form ferro-resonance circuit in parallel
See Fig. 8
L is arranged between main magnetic circuit A, the B, elementary and secondary side coil group spacing h
3, h
3Adjusting space for L; Regulate the L leakage inductance equally, regulate the method for ferro resonance capacity in parallel and leakage inductance amount simultaneously, regulate I
2The needs of striking voltage; The L of band air-gap constitutes magnetic shunt, with W
1With W
2, Wc, C divide and to open [see Fig. 7, see Fig. 9], arcing amplifier circuit [seeing Fig. 1].The electric arc amplifier circuit is the core [seeing Fig. 1] of Synergistic arc welding transformer, during its unloaded ferro resonance, and volt-ampere characteristic [seeing Fig. 2], unloaded ferro resonance work wave in parallel [seeing Fig. 3].
The invention has the beneficial effects as follows 1, during the every KVA of power supply input capacity, the output welding current is between 18-33A.2, electrical energy saving is more than 40%.3, striking voltage is low, as long as can satisfy more than the 26V.4, reduce output voltage utilization value 40%.U
2During 30-55V, reach arc welding transformer U commonly used
2The welding arc standard of 55-90V.Safety-type U
234-36V is suitable for J422, Φ 3.2, Φ 4.0, J506, Φ 3.2 electrode arc welding operations.U
2During 55-70V, enter CONSTANT CURRENT WELDING arc characteristic state.5, U
2With welding arc voltage than low, at 1.3-2.2 times.6, short circuit current is little, is 1.1-1.5 times of normal welding current.7, have welding arc fly low-priced less, arc burning good stability, characteristics that the electric arc impulsive force is moderate, be applicable to thick, in, thin various steel, various electrode arc welding operations.
The present invention is further described below in conjunction with drawings and Examples for description of drawings.
Fig. 1 Synergistic arc welding transformer schematic diagram [electric arc amplifier circuit].
The unloaded ferro resonance volt-ampere characteristic of Fig. 2 electric arc amplifier circuit.
The unloaded ferro resonance work wave of Fig. 3 electric arc amplifier circuit.
Fig. 4 Synergistic arc welding transformer L position, U
2C, short circuit I
2Relation between the multiple.
Fig. 5 embodiment 10KVA Synergistic arc welding transformer winding diagram.
Fig. 6 embodiment 10KVA Synergistic arc welding transformer core construction figure.
Each winding of Fig. 7 Synergistic arc welding transformer, L distributed architecture figure.
Ferro-resonance circuit in parallel in Fig. 8 Synergistic arc welding transformer.
Fig. 9 Synergistic arc welding transformer structure chart.
The unloaded input-output characteristic of Figure 10 Synergistic arc welding transformer.
Figure 11 Synergistic arc welding transformer magnetization characteristic unshakable in one's determination.
Among the figure, W
1: primary side input winding.W
2: primary side output winding.W
c: ferro-resonance circuit winding in parallel.C: ferro resonance electric capacity in parallel.A: main magnetic circuit iron core A post.B: main magnetic circuit iron core B post.L: moving core.I
2: welding current.I
c: capacity current.I
L: inductance current.U
1: power input voltage.U
2: output voltage.U
c: ferro-resonance circuit voltage in parallel.U
2c: unloaded output voltage.I
L=I
c: ferro resonance electric current in parallel.1.: input open circuit, W
cAdd U
cThe time, electric current I in the reactor
LWith U
cRelation.2.: C adds U
cThe time, I
cWith U
cRelation.3.: curve 1. with curve resultant curve 2., curve is 3. actual to be I
L+ I
cWith U
cRelation,
4.: expression L
1In linear inductance L
0On pressure drop, L
0Be U under the effect of L
1Linear inductance in reactance characteristic.5.: U
1With I
1Relation, also be U
cWith I
L+ I
cRelation, curve 3. with 4. synthetic of curve.Φ: saturable reactor magnetization curve.T: time.1-4:I
L=I
cThe electric current formed time period of ferro resonance in parallel.5-6: calculate U
2During 30V, L accesses to calling in U
2cRise to dotted line " 6 " by following dotted line " 5 ".9-10: calculate U
2During 45V, L calls in to accessing U
2cRise to dotted line " 10 " by following dotted line " 9 ".7-8: calculate U
2During 30V, short circuit current is I
2Multiple, be solid line " 7 " when L accesses entirely, be dotted line " 8 " when transferring in entirely.11-12: calculate U
2During 45V, short circuit current is I
2Multiple, be solid line " 11 " when L accesses entirely, building is dotted line " 12 " when transferring in.h
1: primary side winding height.h
2: primary side winding height.h
3: primary side and secondary winding spacing.I
1, i
1: the primary side input current.13: the valley point.14：B
m1。15：B
c。16：B
m2。B (KG): magnetic flux density.H: magnetic field intensity.
Concrete enforcement side embodiment 10KVA Synergistic arc welding transformer [seeing Fig. 5].In casing, Synergistic arc welding transformer is at moving-iron type arc welding transformer commonly used, on the L architecture basics of middle core limb for the band air-gap.W
1Form by two coils, on A, B primary side, the W on the A
1An end and the W on the B
1Two binding posts of another termination power input connect input power supply [should determine according to the input voltage kind, see Fig. 5, see Fig. 9].2%, 3%[2%, 3% presses power input voltage and calculates] primary side and the W on A, the B respectively
1Be connected in series, in order that the no-load current working point is regulated is more accurate [2%, 3%, when manufacturing process, MAT'L specification, can not establish, see Fig. 5].W
2Form by two coils, on A, B primary side, the W on the A
2W on one end and the B
2Two binding posts of another termination output, a termination weldment wherein, another termination electrode holders are electrically connected welding [see Fig. 5, see Fig. 9].Wc is made up of two coils, [sees Fig. 5, sees Fig. 9] on A, B primary side, and Wc one end on the A is connected with the end of C, the Wc on the B in addition-end is connected [see Fig. 5, see Fig. 8] with the other end of C.C is connected with the end of C with Wc one end on A, and the Wc other end on the B is connected [see Fig. 5, see Fig. 8] with the other end of C, form ferro-resonance circuit in parallel [see Fig. 5, see Fig. 8].L is arranged between main magnetic circuit A, the B, elementary and secondary side coil group spacing h
3, being the adjusting space of L, L calls in entirely to accessing entirely, is controlling output and is being minimal to maximum I
2[see Fig. 6, see Fig. 7, see Fig. 9], arcing amplifier circuit [seeing Fig. 1].When embodiment 10KVA Synergistic arc welding transformer is implemented, W no matter
1Power supply input capacity, I
2Big and little, U
1, U
2Height and low.All should abide by the principle; One. guarantee that the electric arc amplifier circuit has enough parallel resonance capacity, ferro resonance capacity in parallel should be selected between several KVA of 1.3-.Two. the two step principles that input no-load current working point is determined: the first step, Synergistic arc welding transformer are assembled the back when not inserting electric arc amplifier circuit function [when not inserting C], W
1Connect the 220V power voltage terminal, the choosing of input no-load current is similar to 5A
Perception is seen right side, valley point among Fig. 2 (3. with the ordinate intersection point)
Second step, Synergistic arc welding transformer assembling back [after inserting C] when inserting electric arc amplifier circuit function, W
1Connect the 220V power voltage terminal, the input no-load current selects 3-≈ 0A
Capacitive is seen left side, valley point among Fig. 2 (3. with the ordinate intersection point)
(1-2)The point
More than this two step power taking source U
1220V is the test benchmark voltage of input no-load current working point.Shown in Figure 10: the unloaded input-output characteristic curve of Synergistic arc welding transformer is divided into three phases: 0-U
1.1Between the time, output voltage is lower, the primary side iron core is in linear magnetization phase, whole transformer is equivalent to the series connection of equivalent leakage inductance and C, input current is perceptual.U
1.1The time, because the relation of equivalent inductance and parallel circuits equivalent capacity, and the ferromagnetic series resonance phenomenon takes place, input current increases, and becomes capacitive by perception.U
1.2The time, equivalent parallel circuit resultant current is about zero, input current is resistive, numerical value is also minimum, claim this point for the valley point of input voltage [see Figure 10 (
13)], U
1.3The time, voltage is from high to low the time, magnetization curve unshakable in one's determination.Magnetization characteristic unshakable in one's determination: during the no-load running state, under the effect of the L of magnetic shunt and C, make its operating state produce the variation of essence.The L that has the air-gap magnetic shunt, can make the part magnetic flux of Synergistic arc welding transformer primary side input winding directly not get back to primary side with primary side output winding coupled, otherwise, also can make the part magnetic flux of Synergistic arc welding transformer primary side output winding directly not get back to primary side with primary side input winding coupled.The L of magnetic shunt and the synergy of C make Synergistic arc welding transformer W
2[also only being primary side] iron core enters saturation condition and [sees Figure 11
(15-16)The point].The primary side iron core is then the same with common transformer, is applied in the working point linearity range and [sees Figure 11
(14)Point], at the linearity range of magnetization curve unshakable in one's determination.Unloaded, welding operation characteristic: the electric arc amplifier circuit is the saturable reactor magnetic hysteresis loop characteristic according to ferro-resonance circuit in parallel, utilize storing energy under the applied voltage, in applied voltage is reduced to zero process, this moment storing energy again base portion turn back to the characteristic of going in the power supply and [see Fig. 3
(1-4)The point].W
2Output contains two kinds of output voltages of two specific characters, exists simultaneously and complementary coordinated operation.The one, U
2, utilizing the linear characteristic of the high power output of arc welding transformer, output voltage is lower, and voltage waveform be a sine wave, and it is the main flow of power output.The 2nd, U
C, utilize the nonlinear characteristic of ferro-resonance circuit in parallel magnetization curve unshakable in one's determination, belong to current resonance circuit [seeing Fig. 2], output voltage is higher, is higher than U all the time
2Down operation of state, its amplitude changes with the L adjusting position, voltage waveform approximate trapezoid ripple, it is the Controlling Source that strengthens output arc burning firm power.When the striking electric current begins, U
2U at the approximate trapezoid ripple
CEffect under, compressed the interchange polar switching time [seeing Fig. 3 (3) point].Rectify the impact property of stupid freewheel current peak value and [see Fig. 3
(2-4)Point], constitute ionization channels.Under the effect of conduction current, when regulating the L position, regulate ferro resonance capacity in parallel and leakage inductance amount simultaneously, change Synergistic arc welding transformer U
2CAnd I
2, regulate I
2Needs with striking voltage.U
2When 30V: welding current sharply increases, and arc burning stability sharply strengthens, and satisfies J422, Φ 4.0 welding rod normal electrical arc-welding job requirements.Output operation characteristic a: .U
1With U
2CNumeric ratio, do not follow turn ratio relation [seeing Fig. 4].Two .U
2CThe approximate trapezoid ripple.Three .L call in the little welding current of output, U entirely
2CThe highest, L accesses the big welding current of output, U entirely
2CMinimum [seeing Fig. 4].Four. during no-load running, I
2Figure 10 [is seen in the valley point or when the valley point in the working point
(13)Point], the ferro resonance capacity can be greater than several times of the unloaded input capacities of power supply.
Claims (1)
1, a kind of Synergistic arc welding transformer, its feature: set up ferro-resonance circuit winding W in parallel in primary side
CWith ferro resonance capacitor C in parallel: ferro-resonance circuit winding W in parallel
CTwo ends be connected in parallel with the two ends of ferro resonance capacitor C in parallel, form ferro-resonance circuit in parallel; The moving core L of band air-gap constitutes magnetic shunt primary side is imported winding W
1With primary side output winding W
2, ferro-resonance circuit winding W in parallel
C, ferro resonance capacitor C in parallel separately, arcing amplifier circuit: at enough ferro resonance capacity P
CUnder the condition, the electric arc amplifier enters the normal arc operating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410063084XA CN100466119C (en) | 2004-07-15 | 2004-07-15 | Synergistic arc welding transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410063084XA CN100466119C (en) | 2004-07-15 | 2004-07-15 | Synergistic arc welding transformer |
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| Publication Number | Publication Date |
|---|---|
| CN1649045A CN1649045A (en) | 2005-08-03 |
| CN100466119C true CN100466119C (en) | 2009-03-04 |
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ID=34868846
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410063084XA Expired - Fee Related CN100466119C (en) | 2004-07-15 | 2004-07-15 | Synergistic arc welding transformer |
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|---|---|---|---|---|
| CN103339515B (en) * | 2011-03-18 | 2015-10-14 | Abb研究有限公司 | For the method and apparatus of linearization transformer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1161548A (en) * | 1997-03-28 | 1997-10-08 | 齐贤 | Separated magnetic type transformer used for hand ac arc welding machine |
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2004
- 2004-07-15 CN CNB200410063084XA patent/CN100466119C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1161548A (en) * | 1997-03-28 | 1997-10-08 | 齐贤 | Separated magnetic type transformer used for hand ac arc welding machine |
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|---|---|
| CN1649045A (en) | 2005-08-03 |
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Granted publication date: 20090304 Termination date: 20110715 |