JP7106799B2 - 溶接電源装置 - Google Patents
溶接電源装置 Download PDFInfo
- Publication number
- JP7106799B2 JP7106799B2 JP2018114433A JP2018114433A JP7106799B2 JP 7106799 B2 JP7106799 B2 JP 7106799B2 JP 2018114433 A JP2018114433 A JP 2018114433A JP 2018114433 A JP2018114433 A JP 2018114433A JP 7106799 B2 JP7106799 B2 JP 7106799B2
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- JP
- Japan
- Prior art keywords
- circuit
- switching
- output
- current
- polarity
- 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.)
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Classifications
-
- 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
- B23K9/1043—Power supply characterised by the electric circuit
- B23K9/1056—Power supply characterised by the electric circuit by using digital means
- B23K9/1062—Power supply characterised by the electric circuit by using digital means with computing means
-
- 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
- B23K9/1043—Power supply characterised by the electric circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal 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
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters
- H02M7/539—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters with automatic control of output wave form or frequency
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Arc Welding Control (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Description
1 :整流平滑回路
2 :インバータ回路
3 :トランス
3a :一次側巻線
3b :二次側巻線
3c :補助巻線
4 :接続線
5 :整流平滑回路
6 :再点弧回路
61 :ダイオード
62 :再点弧コンデンサ
63 :充電回路
63a :駆動回路
63b :スイッチング素子
63c :整流平滑回路
63d :昇圧チョッパ
64 :放電回路
64a :スイッチング素子
64b :限流抵抗
64c :接続線
7 :インバータ回路
Q1~Q4:スイッチング素子
71 :接続線
8 :制御回路
81 :電流制御部
82 :目標電流設定部
83 :極性切替制御部
831 :比較部
832 :比較部
833 :信号生成部
834 :タイマ部
835 :停止部
836 :閾値設定部
837 :閾値設定部
85 :放電制御部
86 :充電制御部
91 :電流センサ
92 :電圧センサ
a,b :出力端子
B :溶接トーチ
D :商用電源
W :被加工物
Claims (5)
- 溶接電極と被加工物との間に交流電圧を印加する溶接電源装置であって、
直流電力を出力する直流電源回路と、
複数のスイッチング素子を有し、かつ、前記直流電源回路から直流電力を入力されて交流電力を出力するインバータ回路と、
前記インバータ回路の出力電流を検出する電流センサと、
前記インバータ回路の出力電圧を検出する電圧センサと、
前記直流電源回路および前記インバータ回路を制御する制御回路と、
を備え、
前記制御回路は、前記インバータ回路の出力極性を切り替える際に、まず、前記直流電源回路の出力を抑制し、その後、前記複数のスイッチング素子のすべてをオンにした短絡状態とし、前記出力電流の瞬時値の絶対値が閾値以下になったときに、前記短絡状態の前にオンであったスイッチング素子をオフにし、
前記出力電圧に応じて前記閾値を変化させる、
ことを特徴とする溶接電源装置。 - 前記直流電源回路は、第2インバータ回路を備え、
前記制御回路は、前記第2インバータ回路のスイッチングを停止させることで、前記直流電源回路の出力を停止させる、
請求項1に記載の溶接電源装置。 - 前記制御回路は、前記直流電源回路の出力を抑制した後、前記出力電流の瞬時値の絶対値が第2閾値以下になったときに前記短絡状態に切り替える、
請求項1または2に記載の溶接電源装置。 - 前記第2閾値は前記閾値に連動して変化する、
請求項3に記載の溶接電源装置。 - 前記制御回路は、前記被加工物が前記溶接電極より高電位である正極性から低電位である逆極性に切り替える場合と、逆極性から正極性に切り替える場合とで、前記閾値を異なる値にする、
請求項1ないし4のいずれかに記載の溶接電源装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018114433A JP7106799B2 (ja) | 2018-06-15 | 2018-06-15 | 溶接電源装置 |
US16/435,714 US20190381597A1 (en) | 2018-06-15 | 2019-06-10 | Welding power supply |
EP19179232.4A EP3581314B1 (en) | 2018-06-15 | 2019-06-10 | Welding power supply |
CN201910505131.8A CN110605459B (zh) | 2018-06-15 | 2019-06-12 | 焊接电源装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018114433A JP7106799B2 (ja) | 2018-06-15 | 2018-06-15 | 溶接電源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019221010A JP2019221010A (ja) | 2019-12-26 |
JP7106799B2 true JP7106799B2 (ja) | 2022-07-27 |
Family
ID=66810717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018114433A Active JP7106799B2 (ja) | 2018-06-15 | 2018-06-15 | 溶接電源装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20190381597A1 (ja) |
EP (1) | EP3581314B1 (ja) |
JP (1) | JP7106799B2 (ja) |
CN (1) | CN110605459B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7181805B2 (ja) * | 2019-02-12 | 2022-12-01 | 株式会社三社電機製作所 | 半導体素子の過渡熱抵抗測定用電源回路 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010526671A (ja) | 2007-05-11 | 2010-08-05 | イーエスエービー エービー | 溶接用電源 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2537516B2 (ja) * | 1987-06-15 | 1996-09-25 | 日立精工 株式会社 | ア−ク溶接用電源の制御方法および装置 |
JP2699528B2 (ja) * | 1989-03-08 | 1998-01-19 | 株式会社ダイヘン | 交流アーク溶接用電源装置 |
SE9102961L (sv) * | 1991-10-14 | 1993-04-15 | Esab Ab | Svetsstroemkaella foer vaexelstroemljusbaagsvetsning |
US6111216A (en) * | 1999-01-19 | 2000-08-29 | Lincoln Global, Inc. | High current welding power supply |
JP4916759B2 (ja) * | 2006-04-20 | 2012-04-18 | 株式会社ダイヘン | 消耗電極交流パルスアーク溶接の極性切換制御方法 |
JP2010075944A (ja) * | 2008-09-25 | 2010-04-08 | Daihen Corp | 交流アーク溶接機。 |
JP5756297B2 (ja) * | 2011-01-27 | 2015-07-29 | 株式会社ダイヘン | 溶接用電源装置及び溶接機 |
CN102554409B (zh) * | 2012-01-06 | 2015-06-10 | 广州长胜机电有限公司 | 一种具有良好焊接波形的数字化焊机 |
-
2018
- 2018-06-15 JP JP2018114433A patent/JP7106799B2/ja active Active
-
2019
- 2019-06-10 EP EP19179232.4A patent/EP3581314B1/en active Active
- 2019-06-10 US US16/435,714 patent/US20190381597A1/en active Pending
- 2019-06-12 CN CN201910505131.8A patent/CN110605459B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010526671A (ja) | 2007-05-11 | 2010-08-05 | イーエスエービー エービー | 溶接用電源 |
Also Published As
Publication number | Publication date |
---|---|
EP3581314B1 (en) | 2021-03-17 |
EP3581314A1 (en) | 2019-12-18 |
JP2019221010A (ja) | 2019-12-26 |
US20190381597A1 (en) | 2019-12-19 |
CN110605459A (zh) | 2019-12-24 |
CN110605459B (zh) | 2022-08-02 |
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