JPS6422477A - Power source controller for inverter type resistance welding machine - Google Patents

Power source controller for inverter type resistance welding machine

Info

Publication number
JPS6422477A
JPS6422477A JP62178105A JP17810587A JPS6422477A JP S6422477 A JPS6422477 A JP S6422477A JP 62178105 A JP62178105 A JP 62178105A JP 17810587 A JP17810587 A JP 17810587A JP S6422477 A JPS6422477 A JP S6422477A
Authority
JP
Japan
Prior art keywords
welding transformer
magnetic saturation
primary current
power source
welding machine
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.)
Granted
Application number
JP62178105A
Other languages
Japanese (ja)
Other versions
JPH0753313B2 (en
Inventor
Minoru Saito
Takashi Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miyachi Electronic Co
Original Assignee
Miyachi Electronic Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Miyachi Electronic Co filed Critical Miyachi Electronic Co
Priority to JP62178105A priority Critical patent/JPH0753313B2/en
Publication of JPS6422477A publication Critical patent/JPS6422477A/en
Publication of JPH0753313B2 publication Critical patent/JPH0753313B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Inverter Devices (AREA)

Abstract

PURPOSE:To prevent a small-sized and lightweight welding transformer from being damaged by detecting the magnetic saturation based on the variation of a primary current of the welding transformer to control a switching action of an inverter according to a detected signal. CONSTITUTION:In order to detect the magnetic saturation of the welding transformer 20, a current sensor 38 is provided to wiring between a primary coil of the welding transformer 20 and an output terminal of an inverter circuit 18. Then, an output signal of said current sensor 38 is supplied to a primary current detection circuit 40 which supplies an output signal SI corresponding to the primary current Ip to a magnetic saturation detection circuit 42. The magnetic saturation detection circuit 42 produces a detected signal MS indicating a magnetic saturated state of the welding transformer 20 and in response to said signal MS, a pulse width control circuit 32 controls the switching action of the inverter circuit 18 so as to regulate the pulse width of the primary current Ip when the magnetic saturation is generated.
JP62178105A 1987-07-16 1987-07-16 Power control device for inverter type resistance welding machine Expired - Lifetime JPH0753313B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62178105A JPH0753313B2 (en) 1987-07-16 1987-07-16 Power control device for inverter type resistance welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62178105A JPH0753313B2 (en) 1987-07-16 1987-07-16 Power control device for inverter type resistance welding machine

Publications (2)

Publication Number Publication Date
JPS6422477A true JPS6422477A (en) 1989-01-25
JPH0753313B2 JPH0753313B2 (en) 1995-06-07

Family

ID=16042735

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62178105A Expired - Lifetime JPH0753313B2 (en) 1987-07-16 1987-07-16 Power control device for inverter type resistance welding machine

Country Status (1)

Country Link
JP (1) JPH0753313B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02207981A (en) * 1989-02-08 1990-08-17 Honda Motor Co Ltd Method and circuit for controlling inverter type direct current resistance welding machine
JPH06122081A (en) * 1992-10-15 1994-05-06 Honda Motor Co Ltd Method and device for controlling welding transformer
US5811213A (en) * 1996-09-02 1998-09-22 Canon Kabushiki Kaisha Magenta toner for developing electrostatic images and process for production thereof
US6667140B2 (en) 2000-09-01 2003-12-23 Canon Kabushiki Kaisha Toner and image forming method
US6855471B2 (en) 2002-01-15 2005-02-15 Canon Kabushiki Kaisha Toner and image-forming method
CN102554440A (en) * 2010-10-09 2012-07-11 罗伯特·博世有限公司 Method and device for operating a resistance welding device
EP3079162A1 (en) * 2015-04-10 2016-10-12 Univerza V Mariboru Fakulteta Za Elektrotehniko, Racunalnistvo In Informatiko Device and method for detecting the iron core saturation of a resistance spot welding transformer utilising measurement of the primary current of the transformer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59174277A (en) * 1983-03-23 1984-10-02 Mitsubishi Electric Corp Electric power source device for dc arc welding
JPS62207173A (en) * 1986-03-07 1987-09-11 Toshiba Corp Power converter
JPS63273575A (en) * 1987-05-02 1988-11-10 Nagoya Dengenshiya:Kk Invertor type dc resistance welding machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59174277A (en) * 1983-03-23 1984-10-02 Mitsubishi Electric Corp Electric power source device for dc arc welding
JPS62207173A (en) * 1986-03-07 1987-09-11 Toshiba Corp Power converter
JPS63273575A (en) * 1987-05-02 1988-11-10 Nagoya Dengenshiya:Kk Invertor type dc resistance welding machine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02207981A (en) * 1989-02-08 1990-08-17 Honda Motor Co Ltd Method and circuit for controlling inverter type direct current resistance welding machine
JPH06122081A (en) * 1992-10-15 1994-05-06 Honda Motor Co Ltd Method and device for controlling welding transformer
US5811213A (en) * 1996-09-02 1998-09-22 Canon Kabushiki Kaisha Magenta toner for developing electrostatic images and process for production thereof
US6667140B2 (en) 2000-09-01 2003-12-23 Canon Kabushiki Kaisha Toner and image forming method
US6855471B2 (en) 2002-01-15 2005-02-15 Canon Kabushiki Kaisha Toner and image-forming method
CN102554440A (en) * 2010-10-09 2012-07-11 罗伯特·博世有限公司 Method and device for operating a resistance welding device
CN102554440B (en) * 2010-10-09 2016-05-11 罗伯特·博世有限公司 For moving the method and apparatus of electric resistance welder
EP2439012A3 (en) * 2010-10-09 2018-01-03 Robert Bosch GmbH Method and device for operating a resistance welding device
EP3079162A1 (en) * 2015-04-10 2016-10-12 Univerza V Mariboru Fakulteta Za Elektrotehniko, Racunalnistvo In Informatiko Device and method for detecting the iron core saturation of a resistance spot welding transformer utilising measurement of the primary current of the transformer

Also Published As

Publication number Publication date
JPH0753313B2 (en) 1995-06-07

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