CN102319939A - High-power factor electric welding machine - Google Patents
High-power factor electric welding machine Download PDFInfo
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- CN102319939A CN102319939A CN201110230158A CN201110230158A CN102319939A CN 102319939 A CN102319939 A CN 102319939A CN 201110230158 A CN201110230158 A CN 201110230158A CN 201110230158 A CN201110230158 A CN 201110230158A CN 102319939 A CN102319939 A CN 102319939A
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- welding machine
- winding
- electric welding
- compensation
- power factor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a high-power factor electric welding machine. Primary windings (N1, N1') are mounted on the two side limbs of a four-limb core, secondary windings (N2, N2') and compensation windings (NC, NC') are mounted on the two middle limbs of the four-limb core, the primary windings (N1, N1') and the secondary windings (N2, N2') are formed into two transformers which are connected in parallel, the two middle limbs and the air gaps of the four-limb core and the compensation windings (NC, NC') wound on the two middle limbs are formed into a reactor, the two tail ends of the compensation windings (NC, NC') are connected in series, one head end is directly connected with one phase line of a power supply, the other head end is connected in series with a capacitor (C) and then connected with the other phase line of the power supply, and the series branch formed by the compensation windings (NC, NC') and the capacitor (C) is connected in parallel with the power supply lines. The high-power factor electric welding machine has the advantages of high anti-short circuit capability and automatic reactive power compensation capability, small no-load current and remarkable energy-saving effect, realizes the integration of the transformers and the reactor, and is integrated with the functions of welding and reactive power compensation, and the power factor of the welding machine is greatly increased.
Description
Technical field
The present invention relates to a kind of metal solder equipment, it is very little to relate in particular to a kind of no-load current, allows the High Power Factor electric welding machine of long-time short circuit.
Background technology
Electric welding machine is the metal solder equipment that is widely used, and its power consumption is occupied very big ratio in electrical load.Although various in recent years new condenser discharge welders are used, no matter which kind of new condenser discharge welder does not all have compensate function, power factor is not high, and no-load current is bigger, does not meet the idea of development of energy-conserving and environment-protective.Again because abominable duty and the complex operating environment of electric welding machine; The very low old-fashioned electric welding machine of efficient is still in a large amount of uses; Engulfing limited electric energy dumbly, the energy supply of this and growing tension is a very outstanding contradiction, so the high efficiency welding equipment of research and development function admirable; Being the needs of industrial development, also is to promote energy-saving and cost-reducing needs.
Summary of the invention
To the defective that existing electric welding machine exists, the present invention provides a kind of transformer, reactor of integrating, energy-saving and cost-reducing High Power Factor electric welding machine.
Addressing the above problem the technical measures of being taked is:
A kind of High Power Factor electric welding machine is characterized in that: be made up of electric welding machine housing and the electric welding machine body that is installed in the electric welding machine housing, wherein: electric welding machine body is unshakable in one's determination by four posts that have air-gap opening M, a winding N
1With N
1 /, Secondary Winding N
2With N
2 /, compensation winding N
CWith N
C /And building-out capacitor C formation, four post iron cores are formed by the silicon steel sheet stack, on two side columns of four posts iron core, winding N are housed one time
1, N
1 /, on two center pillars of four posts iron core, Secondary Winding N is housed
2, N
2 /With compensation winding N
C, N
C /, a winding N on the side column
1, N
1 /With the Secondary Winding N on the center pillar
2, N
2 /Constituted two transformers that are in parallel, by unshakable in one's determination two center pillars of four posts and air-gap opening M be enclosed within the compensation winding N on these two center pillars
C, N
C /Constituted reactor, compensation winding N
C, N
C /Two tail ends be in series after, a head end directly links to each other with a phase line of power supply, another head end and the capacitor C back that is in series links to each other with another phase line of power supply, compensates winding N like this
C, N
C /The series arm of forming with capacitor C then is connected in parallel in the supply line.
Beneficial effect of the present invention:
1, no-load current of the present invention is very little, be merely about 1/10 of common electrical welding machine, thereby open circuit loss is little, and energy-saving effect is obvious.
2, the present invention has higher power factor, and the ability of compensating reactive power is strong automatically, and power factor can reach 0.97.
3, the present invention can not only satisfy the characteristic requirements of arc welding, also has advantages such as output voltage stabilization, arc burning be steady, and soldering test shows; The dash current that produces during striking of the present invention is little; It is little to splash, and the starting the arc easily, even if under the situation of output short-circuit; The input current of electric welding machine can not be multiplied, thereby has very strong anti-short circuit capability.
4, the difference of the present invention and common transformer condenser discharge welder is: contain reactor and building-out capacitor in the inside of transformer; Realized that transformer, reactor are integrated; Integrate welding and reactive-load compensation, improved the power factor of electric welding machine widely, promoted energy-saving and cost-reducing.
Description of drawings
Fig. 1 is the structural representation of electric welding machine body among the present invention;
Fig. 2 is the current characteristics sketch map of the present invention with change in voltage.
The specific embodiment:
Below in conjunction with accompanying drawing the present invention is done specific descriptions.
A kind of High Power Factor electric welding machine, as shown in Figure 1, constitute by electric welding machine housing and the electric welding machine body that is installed in the electric welding machine housing, wherein: electric welding machine body is unshakable in one's determination by four posts that have air-gap opening M, a winding (also being former limit winding) N
1With N
1 /, Secondary Winding (also being the secondary winding) N
2With N
2 /, compensation winding N
CWith N
C /And building-out capacitor C constitutes.Four post iron cores are formed by the silicon steel sheet stack, and winding is formed by the electromagnetic wire coiling.On two side columns of four posts iron core, winding N is housed one time
1, N
1 /, on two center pillars of four posts iron core, Secondary Winding N is housed
2, N
2 /With compensation winding N
C, N
C /A winding N on the side column
1, N
1 /With the Secondary Winding N on the center pillar
2, N
2 /Constituted two transformers that are in parallel, this is an operative body part of the present invention; By unshakable in one's determination two center pillars of four posts and air-gap opening M be enclosed within the compensation winding N on these two center pillars
C, N
C /Constituted reactor, this is an emphasis part of the present invention; Compensation winding N
C, N
C /Two tail ends be in series after, a head end directly links to each other with a phase line of power supply, another head end and the capacitor C back that is in series links to each other with another phase line of power supply, compensates winding N like this
C, N
C /After capacitor C composition series arm, be in parallel with supply line again, this is an automatic compensated part of the present invention.U
1Be the input power supply of electric welding machine, U
2Out-put supply for electric welding machine.Electric welding machine body is installed in the electric welding machine housing through certain process, be a kind of High Power Factor electric welding machine.
Operation principle of the present invention is detailed below:
(1) Fundamentals of Welding
Can know that by structure of the present invention its transformer portion and common welding transformer do not have the difference of essence, as long as with a winding N
1, N
1 /(former limit winding) inserts power supply, Secondary Winding N
2, N
2 /(secondary winding) will induce the voltage of certain value, is used for arc welding.
(2) principle of stabilized voltage
After the energized of the present invention, at an alternating current I
1Effect under, Secondary Winding N
2, N
2 /With compensation winding N
C, N
C /Two ends then produce and the proportional voltage of turn ratio.Because the magnetic flux in each coil is to adjacent Secondary Winding N
2, N
2 /Electromotive force increment and non-conterminous Secondary Winding N
2, N
2 /Electromotive force increment size almost equal and in the opposite direction, make Secondary Winding N
2, N
2 /The vector composite value of last electromotive force maintains one to be changed on the less level, keeps the stable of output voltage.
(3) current stabilization principle
Because due to the design feature of the present invention, its secondary induction reactance is very big.When the value of load R changed, secondary induction reactance can change along with the variation of secondary current, thereby plays the effect of stablizing output current.
When R=0, promptly during the secondary output short-circuit, U
2=0, U
C=0, I
C=0, transformer is equivalent to a simple inductance, primary current I at this moment
1Become also littler, do not cause equipment breakdown so this transformer does not exist because of load short circuits than rated current.
(4) reactive-load compensation principle
As shown in Figure 2, among the figure:
I
0---a no-load current;
I
1---the electric current when electromagnetism comprehensively resonates;
I
C, U
C---capacitor C and compensation winding N when electromagnetism comprehensively resonates
C, N
C /Electric current and voltage.
Visible by Fig. 2, as supply voltage U
1Be in 0～U
zWhen interval, primary current is capacitive.At compensation winding N
C, N
C /Form under the state of big resonance electromotive force, if Secondary Winding N
2, N
2 /In through the inductive load electric current, this electric current exists 180 between the capacity current with resonating
oPhase difference, inductance current is internal-neutralized transformer, input only flows through the real impedance electric current, thereby has improved the power factor of electric welding machine, has played the effect of compensating reactive power.
The present invention welds with the manual arc that its superior electric property is fit to various occasions, is particularly suitable for the welding of cut deal, is a kind of welding equipment of High Power Factor.
Claims (1)
1. High Power Factor electric welding machine is characterized in that: be made up of electric welding machine housing and the electric welding machine body that is installed in the electric welding machine housing, wherein: electric welding machine body is unshakable in one's determination by four posts that have air-gap opening M, a winding N
1With N
1 /, Secondary Winding N
2With N
2 /, compensation winding N
CWith N
C /And building-out capacitor C formation, four post iron cores are formed by the silicon steel sheet stack, on two side columns of four posts iron core, winding N are housed one time
1, N
1 /, on two center pillars of four posts iron core, Secondary Winding N is housed
2, N
2 /With compensation winding N
C, N
C /, a winding N on the side column
1, N
1 /With the Secondary Winding N on the center pillar
2, N
2 /Constituted two transformers that are in parallel, by unshakable in one's determination two center pillars of four posts and air-gap opening M be enclosed within the compensation winding N on these two center pillars
C, N
C /Constituted reactor, compensation winding N
C, N
C /Two tail ends be in series after, a head end directly links to each other with a phase line of power supply, another head end and the capacitor C back that is in series links to each other with another phase line of power supply, compensates winding N like this
C, N
C /The series arm of forming with capacitor C then is connected in parallel in the supply line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110230158A CN102319939A (en) | 2011-08-12 | 2011-08-12 | High-power factor electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110230158A CN102319939A (en) | 2011-08-12 | 2011-08-12 | High-power factor electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102319939A true CN102319939A (en) | 2012-01-18 |
Family
ID=45447841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110230158A Pending CN102319939A (en) | 2011-08-12 | 2011-08-12 | High-power factor electric welding machine |
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| Country | Link |
|---|---|
| CN (1) | CN102319939A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU580957A1 (en) * | 1975-07-28 | 1977-11-25 | Всесоюзный Проектно-Конструкторский Институт Сварочного Производства | Induction-type weld position sensor |
| JPH04135073A (en) * | 1990-08-08 | 1992-05-08 | Daihen Corp | Tig arc welding machine |
| CN2222030Y (en) * | 1994-05-19 | 1996-03-13 | 黄显伟 | Quick compensation device for power factor of electric welding machine |
| CN1176472A (en) * | 1997-05-23 | 1998-03-18 | 杨秀培 | Transformer power factor raising method and transformer |
| CN2517162Y (en) * | 2001-12-11 | 2002-10-16 | 刘有斌 | Magnetic controllable reactor |
| CN1695214A (en) * | 2002-10-30 | 2005-11-09 | 平壤技术贸易中心 | Transformer |
| CN101309011A (en) * | 2008-07-16 | 2008-11-19 | 山东新科特电气有限公司 | Magnet controlled voltage regulating imaginary power automatic compensation method and device |
| CN201198064Y (en) * | 2008-04-24 | 2009-02-25 | 上海沪工电焊机制造有限公司 | Multifunctional electric welding machine |
| CN202199901U (en) * | 2011-08-12 | 2012-04-25 | 丹东欣泰电气股份有限公司 | Electric welding machine with high power factor |
-
2011
- 2011-08-12 CN CN201110230158A patent/CN102319939A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU580957A1 (en) * | 1975-07-28 | 1977-11-25 | Всесоюзный Проектно-Конструкторский Институт Сварочного Производства | Induction-type weld position sensor |
| JPH04135073A (en) * | 1990-08-08 | 1992-05-08 | Daihen Corp | Tig arc welding machine |
| CN2222030Y (en) * | 1994-05-19 | 1996-03-13 | 黄显伟 | Quick compensation device for power factor of electric welding machine |
| CN1176472A (en) * | 1997-05-23 | 1998-03-18 | 杨秀培 | Transformer power factor raising method and transformer |
| CN2517162Y (en) * | 2001-12-11 | 2002-10-16 | 刘有斌 | Magnetic controllable reactor |
| CN1695214A (en) * | 2002-10-30 | 2005-11-09 | 平壤技术贸易中心 | Transformer |
| CN201198064Y (en) * | 2008-04-24 | 2009-02-25 | 上海沪工电焊机制造有限公司 | Multifunctional electric welding machine |
| CN101309011A (en) * | 2008-07-16 | 2008-11-19 | 山东新科特电气有限公司 | Magnet controlled voltage regulating imaginary power automatic compensation method and device |
| CN202199901U (en) * | 2011-08-12 | 2012-04-25 | 丹东欣泰电气股份有限公司 | Electric welding machine with high power factor |
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| PB01 | Publication | ||
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Application publication date: 20120118 |