CN202199901U - Electric welding machine with high power factor - Google Patents
Electric welding machine with high power factor Download PDFInfo
- Publication number
- CN202199901U CN202199901U CN2011202915473U CN201120291547U CN202199901U CN 202199901 U CN202199901 U CN 202199901U CN 2011202915473 U CN2011202915473 U CN 2011202915473U CN 201120291547 U CN201120291547 U CN 201120291547U CN 202199901 U CN202199901 U CN 202199901U
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- CN
- China
- Prior art keywords
- welding machine
- electric welding
- winding
- compensation
- windings
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 utility model relates to an electric welding machine with a high power factor. The electric welding machine is characterized in that primary windings N1 and N1' are arranged on two side columns of a four-column iron core, and secondary windings N2 and N2' and compensation windings NC and NC' are arranged on the two middle columns of the four-column iron core; the primary windings N1 and N1' and the secondary windings N2 and N2' form two transformers which are connected in parallel; the two middle columns of the four-column iron core, air-gap openings and the compensation windings NC and NC' which are sleeved on the two middle columns form an electric reactor; after the two tail ends of the compensation windings NC and NC' are connected in series, one head end of a tandem compensation winding is directly connected with one phase wire of a power source, and the other head end of the tandem compensation winding is connected in series with a capacitor C and then connected with the other phase wire of the power source; and a tandem branch formed by the compensation windings NC and NC' and the capacitor C is connected in parallel on a power supply line. The electric welding machine is excellent in short circuit resistance capacity and automatic reactive power compensation capacity, small in no-load current and significant in energy-saving effect; and the electric welding machine achieves integration of the transformers and the electric reactor, and integrates the functions of welding and reactive power compensation. Therefore, the power factor of the electric welding machine is greatly increased.
Description
Technical field
The utility model relates to a kind of metal solder equipment, and 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 utility model 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.
The beneficial effect of the utility model:
1, the no-load current of the utility model 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 utlity model has higher power factor, the ability of compensating reactive power is strong automatically, and power factor can reach 0.97.
3, the utility model 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 utility model 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 in the utility model;
Fig. 2 is the current characteristics sketch map of the utility model with change in voltage.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model 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 the operative body part of the utility model; 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 the emphasis part of the utility model; 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 the automatic compensated part of the utility model.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.
The operation principle of the utility model is detailed below:
(1) Fundamentals of Welding
Structure by the utility model can know that 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 utility model energized, 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 utility model, 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 utility model 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 |
|---|---|---|---|
| CN2011202915473U CN202199901U (en) | 2011-08-12 | 2011-08-12 | Electric welding machine with high power factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202915473U CN202199901U (en) | 2011-08-12 | 2011-08-12 | Electric welding machine with high power factor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202199901U true CN202199901U (en) | 2012-04-25 |
Family
ID=45964039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202915473U Expired - Fee Related CN202199901U (en) | 2011-08-12 | 2011-08-12 | Electric welding machine with high power factor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202199901U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319939A (en) * | 2011-08-12 | 2012-01-18 | 丹东欣泰电气股份有限公司 | High-power factor electric welding machine |
| CN106653334A (en) * | 2015-10-30 | 2017-05-10 | 特变电工衡阳变压器有限公司 | Single-phase transformer |
-
2011
- 2011-08-12 CN CN2011202915473U patent/CN202199901U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319939A (en) * | 2011-08-12 | 2012-01-18 | 丹东欣泰电气股份有限公司 | High-power factor electric welding machine |
| CN106653334A (en) * | 2015-10-30 | 2017-05-10 | 特变电工衡阳变压器有限公司 | Single-phase transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20170812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |