CN104942403B - Civil power synchronizes 50Hz high-voltage pulse thread-leading arc device - Google Patents
Civil power synchronizes 50Hz high-voltage pulse thread-leading arc device Download PDFInfo
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- CN104942403B CN104942403B CN201510435168.XA CN201510435168A CN104942403B CN 104942403 B CN104942403 B CN 104942403B CN 201510435168 A CN201510435168 A CN 201510435168A CN 104942403 B CN104942403 B CN 104942403B
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Classifications
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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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- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The present invention relates to electric arc welding cutting field, synchronize 50Hz high-voltage pulse thread-leading arc device particularly to civil power.The civil power of the present invention synchronizes 50Hz high-voltage pulse thread-leading arc device, including the high frequency generator being sequentially connected with, auxiliary reclay, antiresonant circuit, boosting rectification filtering unit, ceramic discharger and booster transformer；Diode voltage-multiplying circuit that boosting rectification filtering unit includes being sequentially connected with, rectification circuit, filter circuit.In the present invention, boosting rectification filtering unit carries out the 220V alternating voltage of civil power to boost to 1000V alternating voltage, again this AC rectification is become unidirectional current, again it is filtered, then the input of this DC voltage to ceramic discharger, produces 50Hz pulse current, carried out boosting to more than 10000V high pressure by booster transformer again, so that high-frequency discharge device is in the primary of booster transformer, also producing more than 10000V high pressure, supply arc welder uses.
Description
Technical field
The present invention relates to electric arc welding cutting field, synchronize 50Hz high-voltage pulse thread-leading arc dress particularly to civil power
Put.
Background technology
At welding machine profession, argon arc welding machine accounts for quite heavy ratio, and the conventional highfrequency in argon arc welding machine is high
In pressure arc initiation device, there are two kinds of striking modes: one is the contact starting the arc, and one is the noncontact starting the arc；Before
The striking current of person is more much bigger than the latter, and during striking, the interference of butt welding machine is less；But the latter have forming,
Not tungsten inclusion, facilitate the advantages such as automatic welding, and be used widely, and in some occasion, can only
Require to use noncontact striking.Such as the mirror lens on tank, the welding of the accurate devices such as rocket engine,
Owing to workpiece is the thinnest, usual thickness is 0.1～0.5mm, if allowing tungsten electrode and absorption surface, can cause thin workpiece
Burn, the defect such as tungsten electrode scaling loss and weld seam tungsten inclusion.
Noncontact Igniting unit currently mainly uses high-frequency and high-voltage generation circuit to realize, due to frequency high voltage
Height, so all there is the biggest interference in butt welding machine equipment, power supply；Existence due to high pressure, it is necessary to select
High pressure resistant device, relatively costly, the shortcomings such as service life is short.High frequency produces and is produced by electric discharge mouth, is high
Pressure high frequency source, conduction, radiation interference serious.
Patent name is that the China of a kind of electric welder arc striking device (Publication No. CN201380355U) is practical new
Type patent, discloses a kind of electric welder arc striking device, and it includes tungsten electrode, high frequency transformer, coupling transformation
Device, mains transformer, switching tube and spark plug, described arc initiation device uses the high-voltage pulse of non-contact type
The starting the arc mode starting the arc, described high-voltage pulse starting the arc mode is realized by high-voltage pulse arc striking circuit, described high pressure
Voltage in pulse arc striking circuit is defeated after one group of secondary voltage rectification, switching tube conversion of mains transformer
Entering high frequency transformer, the height of arcing voltage is adjusted and is realized by the size of gaps adjusting spark plug.Electricity
This arc initiation device applied by welding machine, although forming, not tungsten inclusion, facilitate automatic welding, but must select
More than one piece high voltage bearing prototype part, relatively costly, and due to the existence of high pressure so that service life compares
Short.
Summary of the invention
In order to overcome deficiency described above, as long as it is an object of the invention to provide a kind of high pressure resistant device one
Part, high-frequency discharge is in the primary of booster, and high-frequency impulse source, in the secondary of booster, decreases high frequency high
The civil power of potential source synchronizes 50Hz high-voltage pulse thread-leading arc device.
The present invention solves the technical scheme of its technical problem:
Civil power synchronizes 50Hz high-voltage pulse thread-leading arc device, is 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, occurs including the high frequency being sequentially connected with
Device, auxiliary reclay, for eliminating the antiresonant circuit of signal disturbing, straight for producing more than 1000V
The boosting rectification filtering unit of miscarriage voltage, for producing the ceramic discharger of 50Hz pulse current and be used for
The booster transformer of raw more than 10000V high pressure；Described argon arc welding machine governor circuit and described auxiliary reclay
Connecting, described booster 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 include being sequentially connected with for entering
The diode voltage-multiplying circuit of row boosting, for carrying out the rectification circuit of rectification, for the filtering being filtered
Circuit.
As a further improvement on the present invention, described diode voltage-multiplying circuit includes 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 is connected with one end, one end of resistance R4 of electric capacity C3 respectively, the negative pole of diode D2
It is connected with the positive pole of diode D3, diode D3's
Negative pole is connected with the other end, the other end of resistance R4 of electric capacity C3 respectively, and the positive pole of diode D3 is also
Being connected with one end of electric capacity C2, one end of resistance R5, the positive pole of diode D4 respectively, diode D3's is negative
Pole is connected with negative pole, the positive pole of diode D5 of diode D4 the most respectively, 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 connect, the positive pole of diode D5
The also positive pole with diode D6 is connected.
As the further improvement of the present invention, described rectification circuit includes diode D1 and the resistance of series connection
R2。
As the further improvement of the present invention, described filter circuit includes electric capacity C4, the electric capacity C5 of parallel connection
With resistance R6.
As the further improvement of the present invention, described antiresonant circuit include resistance R1, resistance R3 and
Electric capacity C1；Resistance R1 connects with resistance R3 in parallel and electric capacity C1.
As the further improvement of the present invention, described ceramic discharger is the indifferent gas of low pressure discharge 1000V
Body ceramic discharger.
As the further improvement of the present invention, described noble gas ceramic discharger is neon ceramic discharge
Device.
As the further improvement of the present invention, the turn ratio of described booster transformer is 1:3.
In the present invention, argon arc welding machine governor circuit generation driving voltage, make auxiliary reclay adhesive, will
High frequency generator input 220V accesses, and then boosting rectification filtering unit is the 220V alternating voltage of civil power
Carry out boosting to 1000V alternating voltage, then this AC rectification is become unidirectional current, the most again it is filtered
Ripple, then the input of this DC voltage to ceramic discharger, produces 50Hz pulse current, then by a liter buckling
Depressor carries out boosting to more than 10000V high pressure, so that high-frequency discharge device is in the primary of booster transformer,
Also producing more than 10000V high pressure, supply arc welder uses.The present invention has abandoned traditional high-frequency arc strike
Thinking, have employed the 50Hz high-tension pulse Tong Bu with civil power and bring and realize noncontact striking, make high-frequency discharge
Device is in the primary of booster transformer, reduces the interference on arc welder and impact, and then makes arc welder
Device select more, reduce production cost.
Accompanying drawing explanation
For ease of explanation, the present invention is described in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the connection block diagram of the present invention；
Fig. 2 is the electrical block diagram of the present invention；
Fig. 3 is electrical block diagram commonly used in the prior art；
Fig. 4 is that the present invention applies the circuit connection diagram on argon arc welding machine；
Reference high-voltage pulse thread-leading arc device, 11-high frequency generator, 12-auxiliary reclay, 13-is in parallel
Resonance circuit, 14-boosts rectification filtering unit, 15-ceramic discharger, 16-booster transformer.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and
Embodiment, is further elaborated to the present invention.Should be appreciated that described herein being embodied as
Example only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the civil power of the present invention synchronizes 50Hz high-voltage pulse thread-leading arc
Device, is connected with argon arc welding machine governor circuit, argon arc welding machine governor circuit and the output negative pole of argon arc welding machine
Connect.
The civil power of the present invention synchronizes the high frequency generator that 50Hz high-voltage pulse thread-leading arc device includes being sequentially connected with
11, auxiliary reclay 12, for eliminating the antiresonant circuit 13 of signal disturbing, for producing 1000V
The boosting rectification filtering unit 14 of above DC voltage, for producing the ceramic discharge of 50Hz pulse current
Device 15 and for producing the booster transformer 16 of more than 10000V high pressure；Argon arc welding machine governor circuit is with middle
Relay 12 connects, and booster 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, makes auxiliary reclay 12 inhale
Closing, accessed by high frequency generator 11 input 220V, then boost 14 civil powers of rectification filtering unit
220V alternating voltage carries out boosting to 1000V alternating voltage, then this AC rectification is become unidirectional current, so
After again it is filtered, then the input of this DC voltage to ceramic discharger 15, produce 50Hz pulse
Electric current, then carried out boosting to the use of more than 10000V high voltage supply arc welder by booster transformer 16.
In the present invention, boosting rectification filtering unit 14 include being sequentially connected with for carrying out two poles boosted
Pipe voltage-multiplying circuit, for carrying out the rectification circuit of rectification, for the filter circuit being filtered.Diode
Voltage-multiplying circuit carries out boosting to 1000V alternating voltage, rectification circuit handle the 220V alternating voltage of civil power
This AC rectification becomes unidirectional current, filter circuit to be filtered it again, then this DC voltage is inputted
To ceramic discharger, produce 50Hz pulse current, then by booster transformer carry out boosting to 10000V with
Upper high pressure.
The present invention provides the embodiment of a kind of diode voltage-multiplying circuit, and this diode voltage-multiplying circuit is five times
Pressure diode voltage-multiplying circuit mode, diode voltage-multiplying circuit includes diode D2, diode D3, two poles
Pipe D4, diode D5, diode D6, electric capacity C2, electric capacity C3, resistance R4, resistance R5；Two poles
The negative pole of pipe D2 is connected with one end, one end of resistance R4 of electric capacity C3 respectively, the negative pole of diode D2
Be connected with the positive pole of diode D3, the negative pole of diode D3 respectively with the other end, the resistance of electric capacity C3
The other end of R4 connects, the positive pole of diode D3 the most respectively with one end of electric capacity C2, the one of resistance R5
End, the positive pole of diode D4 connect, the negative pole of diode D3 the most 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, the resistance R5 of electric capacity C2
The other end, the negative pole of diode D6 connect, the positive pole of diode D5 also with the positive pole of diode D6
Connect；This diode voltage-multiplying circuit can make alternating voltage 220V, carries out five voltage-doubling boost, produces 1100V
Voltage.
Thering is provided the embodiment of a kind of rectification circuit in the present invention, this rectification circuit includes series diode D1
With resistance R2, the AC rectification that diode voltage-multiplying circuit is produced becomes unidirectional current.
The present invention provides the embodiment of a kind of filter circuit, this filter circuit include parallel connection electric capacity C4,
Electric capacity C5 and resistance R6, the unidirectional current producing rectification circuit is filtered.
The present invention provide the embodiment of a kind of antiresonant circuit, antiresonant circuit 13 include resistance
R1, resistance R3 and electric capacity C1；Resistance R1 connects with resistance R3 in parallel and electric capacity C1, thus
To eliminating signal, the interference of harmonic wave.
In the present invention, in order to preferably produce 50Hz pulse voltage, ceramic discharger is low pressure discharge
The noble gas ceramic discharger of 1000V, this is also a unique high pressure resistant device in the present invention, uses
Safe and reliable, further, this noble gas ceramic discharger can be neon ceramic discharger.
In order to make the pulse pressure voltage of generation higher than 10000V high pressure, the present invention provides a kind of booster transformer
Embodiment, the turn ratio of booster transformer is 1:3, and this booster transformer rises to 13000V 1000V voltage
High pressure, supply electric welding machine uses.
As it is shown on figure 3, apply the invention in the control of argon arc welding machine high-frequency arc strike, high-frequency signal passes through
Striking coil T1 primary series is on the output negative pole of electric welding machine, and high frequency controls end by argon arc welding machine master control electricity
Road sends 24V driving voltage, and high frequency generator input 220V is connect by auxiliary reclay RELY1 adhesive
Enter, produce and synchronize 50Hz high-voltage pulse signal, be applied to the outfan of electric welding machine.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of invention and principle, should be included in this
Within the protection domain of invention.
Claims (7)
1. civil power synchronizes 50Hz high-voltage pulse thread-leading arc device, is 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 characterised in that include being sequentially connected with
High frequency generator, auxiliary reclay, for eliminating the antiresonant circuit of signal disturbing, for producing 1000V
Above DC voltage boosting rectification filtering unit, for produce 50Hz pulse current ceramic discharger and
For producing the booster transformer of more than 10000V high pressure；Described boosting rectification filtering unit includes connecting successively
Connect for the diode voltage-multiplying circuit carrying out boosting, for carrying out the rectification circuit of rectification, for carrying out
The filter circuit of filtering；Described ceramic discharger is the noble gas ceramic discharger of low pressure discharge 1000V；
Described argon arc welding machine governor circuit is connected with described auxiliary reclay, described booster transformer and argon arc welding machine
Output negative pole connect.
Civil power the most according to claim 1 synchronizes 50Hz high-voltage pulse thread-leading arc device, it is characterised in that
Described diode voltage-multiplying circuit includes diode D2, diode D3, diode D4, diode D5, two poles
Pipe D6, electric capacity C2, electric capacity C3, resistance R4, resistance R5；The negative pole of diode D2 is respectively with electric capacity C3's
One end, one end of resistance R4 connect, and the negative pole of diode D2 is connected with the positive pole of diode D3, diode
The negative pole of D3 is connected with the other end, the other end of resistance R4 of electric capacity C3 respectively, and the positive pole of diode D3 is also
Being connected with one end of electric capacity C2, one end of resistance R5, the positive pole of diode D4 respectively, diode D3's is negative
Pole is connected with negative pole, the positive pole of diode D5 of diode D4 the most respectively, 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 connect, the positive pole of diode D5
The also positive pole with diode D6 is connected.
Civil power the most according to claim 1 synchronizes 50Hz high-voltage pulse thread-leading arc device, it is characterised in that
Described rectification circuit includes the diode D1 and resistance R2 of series connection.
Civil power the most according to claim 1 synchronizes 50Hz high-voltage pulse thread-leading arc device, it is characterised in that
Described filter circuit includes electric capacity C4, electric capacity C5 and the resistance R6 of parallel connection.
Civil power the most according to claim 1 synchronizes 50Hz high-voltage pulse thread-leading arc device, it is characterised in that
Described antiresonant circuit includes resistance R1, resistance R3 and electric capacity C1；Resistance R1 and resistance R3 in parallel and
Electric capacity C1 connects.
Civil power the most according to claim 1 synchronizes 50Hz high-voltage pulse thread-leading arc device, it is characterised in that
Described noble gas ceramic discharger is neon ceramic discharger.
Civil power the most according to claim 1 synchronizes 50Hz high-voltage pulse thread-leading arc device, it is characterised in that
The turn ratio of described booster transformer is 1:3.
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 |
|---|---|
| CN104942403A CN104942403A (en) | 2015-09-30 |
| CN104942403B true CN104942403B (en) | 2016-09-28 |
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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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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2454247A1 (en) * | 1979-04-12 | 1980-11-07 | Gen Electric | CIRCUIT FOR PRIMING AND OPERATING AN ARC LAMP |
| JP2011036897A (en) * | 2009-08-17 | 2011-02-24 | Daihen Corp | Method for starting arc welding |
-
2015
- 2015-07-23 CN CN201510435168.XA patent/CN104942403B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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| CN104942403A (en) | 2015-09-30 |
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