JPS6395673U - - Google Patents
Info
- Publication number
- JPS6395673U JPS6395673U JP1987173924U JP17392487U JPS6395673U JP S6395673 U JPS6395673 U JP S6395673U JP 1987173924 U JP1987173924 U JP 1987173924U JP 17392487 U JP17392487 U JP 17392487U JP S6395673 U JPS6395673 U JP S6395673U
- Authority
- JP
- Japan
- Prior art keywords
- load
- power supply
- circuit
- coupling device
- current
- Prior art date
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 3
- 230000003068 static effect Effects 0.000 claims 1
- 238000005493 welding type Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- 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
- B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
- B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
-
- 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
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1006—Power supply
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Arc Welding Control (AREA)
- Cable Accessories (AREA)
- Materials For Medical Uses (AREA)
Description
第1図は公知の結合装置を示すブロツク回路線
図、第2a,2b図は第1図に示す結合装置によ
る電圧および電流の形を示すグラフ、第3図は本
考案による結合装置の原理を概略的に示すブロツ
ク線図、第4,5図は本考案による結合装置の回
路の一部分を示す回路線図、第6図は第5図に示
す回路による曲線を示すグラフ、第7図は本考案
による結合装置の一例を示す回路線図である。 図中、R1〜R13は抵抗、C1〜C4はコン
デンサ、L1はチヨーク、T1,T2はトランジ
スタ、D1,D2はダイオード、A1〜A4は増
幅器、shは分路、OEはオプトアイソレータで
ある。
図、第2a,2b図は第1図に示す結合装置によ
る電圧および電流の形を示すグラフ、第3図は本
考案による結合装置の原理を概略的に示すブロツ
ク線図、第4,5図は本考案による結合装置の回
路の一部分を示す回路線図、第6図は第5図に示
す回路による曲線を示すグラフ、第7図は本考案
による結合装置の一例を示す回路線図である。 図中、R1〜R13は抵抗、C1〜C4はコン
デンサ、L1はチヨーク、T1,T2はトランジ
スタ、D1,D2はダイオード、A1〜A4は増
幅器、shは分路、OEはオプトアイソレータで
ある。
Claims (1)
- 【実用新案登録請求の範囲】 1 負荷に短絡の現れるように作動されるMIG
溶接に適した形式の溶接装置に用いられ、所与負
荷電圧範囲における負荷への電流を供給できる制
御可能な電源と、負荷への電流を検出して第1
の電気信号を発生する第1の電気回路と、負荷に
印加される電圧U2を検出して第2の電気信号を
発生する第2の電気回路と、上記第1、第2電気
信号を受け、負荷電流対負荷電圧に関係する予定
の特性に従つて負荷電流および負荷電圧に応じて
電源を制御する制御信号U0を発生する第3の電
気回路とを有する電源結合装置において、上記第
3の電気回路が負荷の短絡時に要求された電流変
化値Δおよび電流上昇率d/dtの得られる
ように上記制御信号U0を処理する回路装置C1
,R6を備え、また上記電源が電源の制御応答時
間を数百マイクロ秒程度にさせる制御回路A3,
A4,T1,T2,OE,R9〜R13,C4を
備えていることを特徴とする溶接装置用電源結合
装置。 2 制御回路が、電源から負荷へ電力を通す直列
トランジスタT1と、直列トランジスタT1の導
通を制御するパルス幅の可変なパルスを発生する
パルス幅変調型パルス発生装置A3,A4,R9
〜R11,C4とを備え、上記パルスのパルス幅
を制御信号U0の瞬時値で制御するようにした実
用新案登録請求の範囲第1項に記載の電源結合装
置。 3 第3の電気回路が、設定信号Uasの設定入
力を備え、この設定信号Uasにより負荷の短絡
に対する溶接動作の特性値Δ,d/dtを調
節できるようにした実用新案登録請求の範囲第2
項に記載の電源結合装置。 4 負荷の開路時に設定信号Uasで負荷の電圧
を決めるように第3の電気回路を構成した実用新
案登録請求の範囲第3項に記載の電源結合装置。 5 電流変化値Δおよび電流上昇率d/dt
を、設定信号Uasだけでなく第3の電気回路に
直列に接続した抵抗R6およびコンデンサC1に
よつて、それぞれΔI〜R6,dI/dt〜1/
C1に決めた実用新案登録請求の範囲第3項また
は第4項に記載の電源結合装置。 6 所望の静特性を得るため、直列接続した抵抗
R4,R5およびこれらの抵抗の分路に接続した
ダイオードD1を、直列に接続した抵抗R6およ
びコンデンサC1と並列に接続した実用新案登録
請求の範囲第5項に記載の電源結合装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI783784A FI58029C (fi) | 1978-12-08 | 1978-12-08 | Kopplingsanordning foer ett svetsaggregat |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6395673U true JPS6395673U (ja) | 1988-06-20 |
Family
ID=8512215
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15874579A Pending JPS5581075A (en) | 1978-12-08 | 1979-12-08 | Combining device for welding equipment |
JP1987173924U Pending JPS6395673U (ja) | 1978-12-08 | 1987-11-16 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15874579A Pending JPS5581075A (en) | 1978-12-08 | 1979-12-08 | Combining device for welding equipment |
Country Status (7)
Country | Link |
---|---|
US (1) | US4349720A (ja) |
EP (1) | EP0012576B1 (ja) |
JP (2) | JPS5581075A (ja) |
DE (1) | DE2966810D1 (ja) |
DK (1) | DK520979A (ja) |
FI (1) | FI58029C (ja) |
NO (1) | NO149805B (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR840002189B1 (ko) | 1980-07-08 | 1984-11-28 | 미쯔비시덴끼 가부시기가이샤 | 펄스 아아크 용접장치 |
JPS57202971A (en) * | 1981-06-05 | 1982-12-13 | Mitsubishi Electric Corp | Dc arc welding device |
JPS5823569A (ja) * | 1981-07-31 | 1983-02-12 | Mitsubishi Electric Corp | 直流ア−ク溶接装置 |
JPS5829571A (ja) * | 1981-08-12 | 1983-02-21 | Mitsubishi Electric Corp | 直流ア−ク溶接装置 |
DE3200086C3 (de) * | 1982-01-05 | 1994-09-01 | Puschner Peter | Elektronische Schweißenergiequelle für das Lichtbogenschweißen mit vorgebbarem statischem und dynamischem Verhalten |
JPS58179571A (ja) * | 1982-04-14 | 1983-10-20 | Mitsubishi Electric Corp | パルスア−ク溶接機 |
JPS6178566A (ja) * | 1984-09-21 | 1986-04-22 | Osaka Denki Kk | 短絡移行ア−ク溶接方法及びその装置 |
US4716274A (en) * | 1985-10-25 | 1987-12-29 | Gilliland Malcolm T | Distributed station welding system |
US4887046A (en) * | 1985-10-25 | 1989-12-12 | Gilliland Malcolm T | Apparatus for linearizing the output of an amplifier without using feedback |
US4782436A (en) * | 1985-10-25 | 1988-11-01 | Gilliland Malcolm T | Apparatus and method for balancing output current of transistors |
US4785149A (en) * | 1985-10-25 | 1988-11-15 | Gilliland Malcolm T | Distributed station welding system |
SE451243B (sv) * | 1986-02-17 | 1987-09-21 | Esab Ab | Sett och anordning for reglering av svetsforloppet vid ljusbagssvetsning |
JP2512428B2 (ja) * | 1986-03-17 | 1996-07-03 | 大阪電気株式会社 | 直流ア−ク溶接機 |
US4861965A (en) * | 1987-12-29 | 1989-08-29 | The Lincoln Electric Company | Method and apparatus for TIG welding |
US4947021A (en) * | 1987-12-29 | 1990-08-07 | The Lincoln Electric Company | Method and apparatus for TIG welding |
DE4040008C2 (de) * | 1990-12-14 | 1997-05-22 | Geesthacht Gkss Forschung | Verfahren und Vorrichtung zum Lichtbogenschweißen von metallischen Objekten |
JP2663098B2 (ja) * | 1993-10-25 | 1997-10-15 | 株式会社三社電機製作所 | 消耗電極式直流アーク溶接機 |
US5756963A (en) * | 1996-02-29 | 1998-05-26 | The Esab Group, Inc. | Saturation sensing power source and related methods for a welding or cutting system |
JP3231649B2 (ja) * | 1997-01-22 | 2001-11-26 | 株式会社三社電機製作所 | 消耗電極式直流アーク溶接機 |
TW445192B (en) | 1999-04-12 | 2001-07-11 | Tri Tool Inc | Control method and apparatus for an arc welding system |
US6333489B1 (en) * | 2000-06-29 | 2001-12-25 | Illinois Tool Works Inc. | Welding power supply with reduced OCV |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48100349A (ja) * | 1972-03-31 | 1973-12-18 | ||
JPS5355437A (en) * | 1976-10-29 | 1978-05-19 | Osaka Transformer Co Ltd | Method of controlling dc arc welding and apparatus therefor |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3549978A (en) * | 1969-04-25 | 1970-12-22 | Chemetron Corp | Direct current arc power supply with stabilized feedback control |
GB1335703A (en) * | 1970-06-05 | 1973-10-31 | Apv Co Ltd | Control of welding current |
FR2130053B1 (ja) * | 1971-03-18 | 1974-06-21 | Siemens Spa Italiana | |
US3961154A (en) * | 1972-04-18 | 1976-06-01 | Elektriska Svetsningsaktiebolaget | Direct current power supply for manual arc welding |
SE369994B (ja) * | 1972-04-18 | 1974-09-23 | Elektriska Svetsnings Ab | |
DE2356452A1 (de) * | 1973-11-12 | 1975-05-28 | Siemens Ag | Netzgeraet |
US3912980A (en) * | 1974-03-20 | 1975-10-14 | Air Prod & Chem | Direct current arc power supply |
DE2633923C3 (de) * | 1976-07-28 | 1979-08-30 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zum Betrieb eines selbstgetakteten Schaltreglers und Vorrichtungen zur Durchführung des Verfahrens |
DE2728980C2 (de) * | 1977-06-28 | 1986-11-20 | Peter Dr.-Ing. 5100 Aachen Puschner | Vorrichtung zum Lichtbogenschweißen mit abschmelzender Elektrode und einer schnell kennlinienumschaltbaren Schweißenergiequelle |
-
1978
- 1978-12-08 FI FI783784A patent/FI58029C/fi not_active IP Right Cessation
-
1979
- 1979-11-30 NO NO793913A patent/NO149805B/no unknown
- 1979-12-05 US US06/100,645 patent/US4349720A/en not_active Expired - Lifetime
- 1979-12-07 EP EP79302814A patent/EP0012576B1/en not_active Expired
- 1979-12-07 DK DK520979A patent/DK520979A/da not_active Application Discontinuation
- 1979-12-07 DE DE7979302814T patent/DE2966810D1/de not_active Expired
- 1979-12-08 JP JP15874579A patent/JPS5581075A/ja active Pending
-
1987
- 1987-11-16 JP JP1987173924U patent/JPS6395673U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48100349A (ja) * | 1972-03-31 | 1973-12-18 | ||
JPS5355437A (en) * | 1976-10-29 | 1978-05-19 | Osaka Transformer Co Ltd | Method of controlling dc arc welding and apparatus therefor |
Also Published As
Publication number | Publication date |
---|---|
FI58029C (fi) | 1980-11-10 |
US4349720A (en) | 1982-09-14 |
NO149805B (no) | 1984-03-19 |
FI58029B (fi) | 1980-07-31 |
FI783784A (fi) | 1980-06-09 |
JPS5581075A (en) | 1980-06-18 |
EP0012576B1 (en) | 1984-03-14 |
DK520979A (da) | 1980-06-09 |
EP0012576A1 (en) | 1980-06-25 |
NO793913L (no) | 1980-06-10 |
DE2966810D1 (en) | 1984-04-19 |
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