CN104942403A - Commercial power synchronous 50HZ high-voltage pulse arc starter - Google Patents
Commercial power synchronous 50HZ high-voltage pulse arc starter Download PDFInfo
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- CN104942403A CN104942403A CN201510435168.XA CN201510435168A CN104942403A CN 104942403 A CN104942403 A CN 104942403A CN 201510435168 A CN201510435168 A CN 201510435168A CN 104942403 A CN104942403 A CN 104942403A
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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
- B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
- B23K9/067—Starting the arc
- B23K9/0672—Starting the arc without direct contact between electrodes
- B23K9/0673—Ionisation of the arc gap by means of a tension with a step front (pulses or high frequency tensions)
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- Generation Of Surge Voltage And Current (AREA)
Abstract
The invention relates to the field of electric arc welding and cutting, in particular to a commercial power synchronous 50HZ high-voltage pulse arc starter. The Commercial power synchronous 50HZ high-voltage pulse arc starter comprises a high frequency generator, an intermediate relay, a parallel resonant circuit, a boost rectifying and filtering unit, a ceramic discharger and a boosting transformer which are sequentially connected; the boost rectifying and filtering unit comprises a diode voltage doubling circuit, a rectifying circuit and a filtering circuit which are sequentially connected, boosts the 220V alternating voltage of the commercial power to 1000V alternating voltage, then rectifies the alternating voltage into direct voltage, filters the direct voltage, and after that, inputs the direct voltage into the ceramic discharger to produce 50HZ pulse current; the boosting transformer boosts to obtain voltage of 10000V or above, so that the high frequency generator can produce voltage of 10000V or above at the primary stage of the boosting transformer to supply for an electric arc welder.
Description
Technical field
the present invention relates to arc welding cutting field, particularly civil power synchronous 50HZ high-voltage pulse thread-leading arc device.
Background technology
at welding machine profession, argon arc welding machine accounts for quite heavy ratio, in the conventional highfrequency high voltage arc generating device in argon arc welding machine, has two kinds of striking modes: one is the contact starting the arc, and one is the noncontact starting the arc; The former striking current is more much bigger than the latter, and during striking, the interference of butt welding machine is less; But the latter has forming, not tungsten inclusion, facilitates the advantages such as automatic welding, and is used widely, and in some occasion, can only require to use noncontact striking.As the mirror lens on tank, the welding of the accurate devices such as rocket engine, because workpiece is very thin, usual thickness is 0.1 ~ 0.5mm, if allow tungsten electrode and absorption surface, can cause the burn of thin workpiece, the defects such as tungsten electrode scaling loss and weld seam tungsten inclusion.
noncontact Igniting unit mainly adopts high-frequency and high-voltage circuit for generating to realize, because frequency high voltage is high, so butt welding machine equipment, power supply all exist very large interference at present; Due to the existence of high pressure, the shortcomings such as must select high pressure resistant device, cost is higher, and service life is short.High frequency produces and is produced by electric discharge mouth, is high voltagehigh frequency source, and conduction, radiation interference is serious.
patent name is the Chinese utility model patent of a kind of electric welder arc striking device (publication number is CN201380355U), disclose a kind of electric welder arc striking device, it comprises tungsten electrode, high frequency transformer, coupling transformer, power transformer, switching tube and spark plug, described arc initiation device adopts the high-voltage pulse starting the arc mode starting the arc of non-contact type, described high-voltage pulse starting the arc mode is realized by high-voltage pulse arc striking circuit, voltage in described high-voltage pulse arc striking circuit is through one group of secondary voltage rectification of power transformer, high frequency transformer is inputted after switching tube conversion, the height adjustment of arcing voltage is realized by the size of gaps adjusting spark plug.This arc initiation device applied by electric welding machine, although forming, not tungsten inclusion, facilitate automatic welding, must select the high voltage bearing prototype part of more than one piece, cost is higher, and due to the existence of high pressure, makes service life shorter.
Summary of the invention
in order to overcome deficiency described above, as long as the object of this invention is to provide a kind of high pressure resistant device one, elementary at stepup transformer of high-frequency discharge, secondary at stepup transformer of high-frequency impulse source, decreases the civil power synchronous 50HZ high-voltage pulse thread-leading arc device of high-frequency high-voltage source.
the technical scheme that the present invention solves its technical problem is:
civil power synchronous 50HZ high-voltage pulse thread-leading arc device, be connected with argon arc welding machine governor circuit, described argon arc welding machine governor circuit is connected with the output negative pole of argon arc welding machine, wherein, comprise connect successively radio-frequency generator, auxiliary reclay, the antiresonant circuit for erasure signal interference, the boosting rectification filtering unit for generation of more than 1000V DC voltage, the ceramic discharger for generation of 50HZ pulse current and the step-up transformer for generation of more than 10000V high pressure; Described argon arc welding machine governor circuit is connected with described auxiliary reclay, and described step-up transformer is connected with the output negative pole of argon arc welding machine.
as a modification of the present invention, described boosting rectification filtering unit comprise connect successively for carry out boosting diode voltage-multiplying circuit, for carry out rectification rectification circuit, for carrying out the filter circuit of filtering.
as a further improvement on the present invention, described diode voltage-multiplying circuit comprises diode D2, diode D3, diode D4, diode D5, diode D6, electric capacity C2, electric capacity C3, resistance R4, resistance R5, the negative pole of diode D2 respectively with one end of electric capacity C3, one end of resistance R4 connects, the negative pole of diode D2 is connected with the positive pole of diode D3, the negative pole of diode D3 respectively with the other end of electric capacity C3, the other end of resistance R4 connects, the positive pole of diode D3 also respectively with one end of electric capacity C2, one end of resistance R5, the positive pole of diode D4 connects, the negative pole of diode D3 also respectively with the negative pole of diode D4, the positive pole of diode D5 connects, the negative pole of diode D5 respectively with the other end of electric capacity C2, the other end of resistance R5, the negative pole of diode D6 connects, the positive pole of diode D5 is also connected with the positive pole of diode D6.
further improve as of the present invention, described rectification circuit comprises diode D1 and the resistance R2 of series connection.
further improve as of the present invention, described filter circuit comprises electric capacity C4, electric capacity C5 in parallel and resistance R6.
further improve as of the present invention, described antiresonant circuit comprises resistance R1, resistance R3 and electric capacity C1; Resistance R1 connects with resistance R3 in parallel and electric capacity C1.
further improve as of the present invention, described ceramic discharger is the inert gas ceramic discharger of low pressure discharge 1000V.
further improve as of the present invention, described inert gas ceramic discharger is neon ceramic discharger.
further improve as of the present invention, the turn ratio of described step-up transformer is 1:13.
in the present invention, argon arc welding machine governor circuit generation driving voltage, make auxiliary reclay adhesive, radio-frequency generator input 220V is accessed, then the rectification filtering unit that boosts carries out the 220V alternating voltage of civil power to boost to 1000V alternating voltage, again this AC rectification is become direct current, and then filtering is carried out to it, then this DC voltage is inputed to ceramic discharger, produce 50HZ pulse current, undertaken boosting to more than 10000V high pressure by step-up transformer again, thus make high-frequency discharge device be in the elementary of step-up transformer, also produce more than 10000V high pressure, supply arc welder uses.The present invention abandons the thinking of traditional high-frequency arc strike, have employed the 50Hz high-tension pulse synchronous with civil power to bring and realize noncontact striking, high-frequency discharge device is made to be in the elementary of step-up transformer, reduce the interference on arc welder and impact, and then it is more to make the device of arc welder select, reduce production cost.
Accompanying drawing explanation
for ease of illustrating, the present invention is described in detail by following preferred embodiment and accompanying drawing.
fig. 1 is connection block diagram of the present invention;
fig. 2 is electrical block diagram of the present invention;
fig. 3 is electrical block diagram conventional in prior art;
fig. 4 is the circuit connection diagram that the present invention is applied on argon arc welding machine;
reference numeral: 1-high-voltage pulse thread-leading arc device, 11-radio-frequency generator, 12-auxiliary reclay, 13-antiresonant circuit, 14-boosts rectification filtering unit, 15-ceramic discharger, 16-step-up transformer.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
as shown in Figure 1, Figure 2, Figure 3 and Figure 4, civil power of the present invention synchronous 50HZ high-voltage pulse thread-leading arc device, be connected with argon arc welding machine governor circuit, argon arc welding machine governor circuit is connected with the output negative pole of argon arc welding machine.
civil power of the present invention synchronous 50HZ high-voltage pulse thread-leading arc device comprise connect successively radio-frequency generator 11, auxiliary reclay 12, the antiresonant circuit 13 for erasure signal interference, the boosting rectification filtering unit 14 for generation of more than 1000V DC voltage, the ceramic discharger 15 for generation of 50HZ pulse current and the step-up transformer 16 for generation of more than 10000V high pressure; Argon arc welding machine governor circuit is connected with auxiliary reclay 12, and step-up transformer 16 is connected with the output negative pole of argon arc welding machine.
in the present invention, there is 24V driving voltage in argon arc welding machine governor circuit, make auxiliary reclay 12 adhesive, radio-frequency generator 11 input 220V is accessed, then the rectification filtering unit 14 that boosts carries out the 220V alternating voltage of civil power to boost to 1000V alternating voltage, again this AC rectification is become direct current, and then filtering is carried out to it, then this DC voltage is inputed to ceramic discharger 15, produce 50HZ pulse current, then undertaken boosting to the use of more than 10000V high voltage supply arc welder by step-up transformer 16.
in the present invention, the rectification filtering unit 14 that boosts comprise connect successively for carry out boosting diode voltage-multiplying circuit, for carry out rectification rectification circuit, for carrying out the filter circuit of filtering.Diode voltage-multiplying circuit carries out the 220V alternating voltage of civil power to boost to 1000V alternating voltage, rectification circuit becomes direct current this AC rectification, filter circuit carries out filtering to it again, then this DC voltage is inputed to ceramic discharger, produce 50HZ pulse current, then undertaken boosting to more than 10000V high pressure by step-up transformer.
the invention provides a kind of embodiment of diode voltage-multiplying circuit, this diode voltage-multiplying circuit is five multiplication of voltage diode voltage-multiplying circuit modes, and diode voltage-multiplying circuit comprises diode D2, diode D3, diode D4, diode D5, diode D6, electric capacity C2, electric capacity C3, resistance R4, resistance R5, the negative pole of diode D2 respectively with one end of electric capacity C3, one end of resistance R4 connects, the negative pole of diode D2 is connected with the positive pole of diode D3, the negative pole of diode D3 respectively with the other end of electric capacity C3, the other end of resistance R4 connects, the positive pole of diode D3 also respectively with one end of electric capacity C2, one end of resistance R5, the positive pole of diode D4 connects, the negative pole of diode D3 also respectively with the negative pole of diode D4, the positive pole of diode D5 connects, the negative pole of diode D5 respectively with the other end of electric capacity C2, the other end of resistance R5, the negative pole of diode D6 connects, the positive pole of diode D5 is also connected with the positive pole of diode D6, this diode voltage-multiplying circuit can make alternating voltage 220V, carries out five voltage-doubling boost, produces 1100V voltage.
there is provided a kind of embodiment of rectification circuit in the present invention, this rectification circuit comprises series diode D1 and resistance R2, and the AC rectification that diode voltage-multiplying circuit produces is become direct current.
there is provided a kind of embodiment of filter circuit in the present invention, this filter circuit comprises electric capacity C4, electric capacity C5 in parallel and resistance R6, carries out filtering to the direct current that rectification circuit produces.
there is provided a kind of embodiment of antiresonant circuit in the present invention, antiresonant circuit 13 comprises resistance R1, resistance R3 and electric capacity C1; Resistance R1 connects with resistance R3 in parallel and electric capacity C1, thus the interference to erasure signal, harmonic wave.
in the present invention, in order to produce 50HZ pulse voltage better, ceramic discharger is the inert gas ceramic discharger of low pressure discharge 1000V, this is also a unique high pressure resistant device in the present invention, safe and reliable, further, this inert gas ceramic discharger can be neon ceramic discharger.
in order to make the pulse pressure voltage of generation higher than 10000V high pressure, the invention provides a kind of embodiment of step-up transformer, the turn ratio of step-up transformer is 1:13, and this step-up transformer rises to 13000V high pressure 1000V voltage, and supply electric welding machine uses.
as shown in Figure 3, the present invention is applied to argon arc welding machine high-frequency arc strike to control, high-frequency signal passes through striking coil T1 primary series on the output negative pole of electric welding machine, high frequency control end sends 24V driving voltage by argon arc welding machine governor circuit, radio-frequency generator input 220V accesses by auxiliary reclay RELY1 adhesive, produce synchronous 50Hz high-voltage pulse signal, be applied to the output of electric welding machine.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. civil power synchronous 50HZ high-voltage pulse thread-leading arc device, be connected with argon arc welding machine governor circuit, described argon arc welding machine governor circuit is connected with the output negative pole of argon arc welding machine, it is characterized in that, comprise connect successively radio-frequency generator, auxiliary reclay, the antiresonant circuit for erasure signal interference, the boosting rectification filtering unit for generation of more than 1000V DC voltage, the ceramic discharger for generation of 50HZ pulse current and the step-up transformer for generation of more than 10000V high pressure; Described argon arc welding machine governor circuit is connected with described auxiliary reclay, and described step-up transformer is connected with the output negative pole of argon arc welding machine.
2.
civil power according to claim 1 synchronous 50HZ high-voltage pulse thread-leading arc device, it is characterized in that, described boosting rectification filtering unit comprise connect successively for carry out boosting diode voltage-multiplying circuit, for carry out rectification rectification circuit, for carrying out the filter circuit of filtering.
3.
civil power according to claim 2 synchronous 50HZ high-voltage pulse thread-leading arc device, it is characterized in that, described diode voltage-multiplying circuit comprises diode D2, diode D3, diode D4, diode D5, diode D6, electric capacity C2, electric capacity C3, resistance R4, resistance R5, the negative pole of diode D2 respectively with one end of electric capacity C3, one end of resistance R4 connects, the negative pole of diode D2 is connected with the positive pole of diode D3, the negative pole of diode D3 respectively with the other end of electric capacity C3, the other end of resistance R4 connects, the positive pole of diode D3 also respectively with one end of electric capacity C2, one end of resistance R5, the positive pole of diode D4 connects, the negative pole of diode D3 also respectively with the negative pole of diode D4, the positive pole of diode D5 connects, the negative pole of diode D5 respectively with the other end of electric capacity C2, the other end of resistance R5, the negative pole of diode D6 connects, the positive pole of diode D5 is also connected with the positive pole of diode D6.
4.
civil power according to claim 2 synchronous 50HZ high-voltage pulse thread-leading arc device, is characterized in that, described rectification circuit comprises diode D1 and the resistance R2 of series connection.
5.
civil power according to claim 2 synchronous 50HZ high-voltage pulse thread-leading arc device, is characterized in that, described filter circuit comprises electric capacity C4, electric capacity C5 in parallel and resistance R6.
6.
civil power according to claim 1 synchronous 50HZ high-voltage pulse thread-leading arc device, is characterized in that, described antiresonant circuit comprises resistance R1, resistance R3 and electric capacity C1; Resistance R1 connects with resistance R3 in parallel and electric capacity C1.
7.
civil power according to claim 1 synchronous 50HZ high-voltage pulse thread-leading arc device, is characterized in that, described ceramic discharger is the inert gas ceramic discharger of low pressure discharge 1000V.
8.
civil power according to claim 7 synchronous 50HZ high-voltage pulse thread-leading arc device, is characterized in that, described inert gas ceramic discharger is neon ceramic discharger.
9.
civil power according to claim 1 synchronous 50HZ high-voltage pulse thread-leading arc device, is characterized in that, the turn ratio of described step-up transformer is 1:13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510435168.XA CN104942403B (en) | 2015-07-23 | 2015-07-23 | Civil power synchronizes 50Hz high-voltage pulse thread-leading arc device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510435168.XA CN104942403B (en) | 2015-07-23 | 2015-07-23 | Civil power synchronizes 50Hz high-voltage pulse thread-leading arc device |
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| Publication Number | Publication Date |
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| CN104942403A true CN104942403A (en) | 2015-09-30 |
| CN104942403B CN104942403B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510435168.XA Expired - Fee Related CN104942403B (en) | 2015-07-23 | 2015-07-23 | Civil power synchronizes 50Hz high-voltage pulse thread-leading arc device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216810A (en) * | 2016-08-09 | 2016-12-14 | 上海广为焊接设备有限公司 | The high-voltage arc ignition circuit of Width funtion input argon arc welding machine |
| CN111992847A (en) * | 2020-08-27 | 2020-11-27 | 上海沪工焊接集团股份有限公司 | Control method and device for wide-voltage multifunctional arc welding machine and storage medium thereof |
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| JPS55141093A (en) * | 1979-04-12 | 1980-11-04 | Gen Electric | Circuit for operating by starting arc lamp |
| CN2360203Y (en) * | 1999-01-06 | 2000-01-26 | 时代集团公司 | Argon arc welding machine with high pressure pulse arc striking function |
| EP1197285A2 (en) * | 2000-10-13 | 2002-04-17 | Lorch Schweisstechnik GmbH | Electric circuit arrangement for generating arc starting pulses in arc welding |
| JP2011036897A (en) * | 2009-08-17 | 2011-02-24 | Daihen Corp | Method for starting arc welding |
| CN201922159U (en) * | 2010-12-08 | 2011-08-10 | 吴建中 | Improved high-voltage arc ignition circuit for plasma cutting machine and argon arc welding machine |
| CN204122893U (en) * | 2014-06-27 | 2015-01-28 | 上海沪工焊接集团股份有限公司 | High-voltage pulse thread-leading arc circuit |
| CN204893158U (en) * | 2015-07-23 | 2015-12-23 | 深圳华意隆电气股份有限公司 | Synchronous 50Hz high -voltage pulse arc initiation device of commercial power |
-
2015
- 2015-07-23 CN CN201510435168.XA patent/CN104942403B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55141093A (en) * | 1979-04-12 | 1980-11-04 | Gen Electric | Circuit for operating by starting arc lamp |
| CN2360203Y (en) * | 1999-01-06 | 2000-01-26 | 时代集团公司 | Argon arc welding machine with high pressure pulse arc striking function |
| EP1197285A2 (en) * | 2000-10-13 | 2002-04-17 | Lorch Schweisstechnik GmbH | Electric circuit arrangement for generating arc starting pulses in arc welding |
| JP2011036897A (en) * | 2009-08-17 | 2011-02-24 | Daihen Corp | Method for starting arc welding |
| CN201922159U (en) * | 2010-12-08 | 2011-08-10 | 吴建中 | Improved high-voltage arc ignition circuit for plasma cutting machine and argon arc welding machine |
| CN204122893U (en) * | 2014-06-27 | 2015-01-28 | 上海沪工焊接集团股份有限公司 | High-voltage pulse thread-leading arc circuit |
| CN204893158U (en) * | 2015-07-23 | 2015-12-23 | 深圳华意隆电气股份有限公司 | Synchronous 50Hz high -voltage pulse arc initiation device of commercial power |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216810A (en) * | 2016-08-09 | 2016-12-14 | 上海广为焊接设备有限公司 | The high-voltage arc ignition circuit of Width funtion input argon arc welding machine |
| CN106216810B (en) * | 2016-08-09 | 2018-07-20 | 上海广为焊接设备有限公司 | Width funtion inputs the high-voltage arc ignition circuit of argon arc welding machine |
| CN111992847A (en) * | 2020-08-27 | 2020-11-27 | 上海沪工焊接集团股份有限公司 | Control method and device for wide-voltage multifunctional arc welding machine and storage medium thereof |
| CN111992847B (en) * | 2020-08-27 | 2024-05-31 | 上海沪工焊接集团股份有限公司 | Control method and device for wide-voltage multifunctional arc welder and storage medium thereof |
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| CN104942403B (en) | 2016-09-28 |
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