JPH03120983U - - Google Patents

Info

Publication number
JPH03120983U
JPH03120983U JP2772090U JP2772090U JPH03120983U JP H03120983 U JPH03120983 U JP H03120983U JP 2772090 U JP2772090 U JP 2772090U JP 2772090 U JP2772090 U JP 2772090U JP H03120983 U JPH03120983 U JP H03120983U
Authority
JP
Japan
Prior art keywords
timer
current
energization
electric resistance
response
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
JP2772090U
Other languages
English (en)
Other versions
JP2517946Y2 (ja
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 filed Critical
Priority to JP1990027720U priority Critical patent/JP2517946Y2/ja
Publication of JPH03120983U publication Critical patent/JPH03120983U/ja
Application granted granted Critical
Publication of JP2517946Y2 publication Critical patent/JP2517946Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Generation Of Surge Voltage And Current (AREA)
  • Arc Welding Control (AREA)
  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】
第１図〜第３図は本考案による電気抵抗溶接装
置の第１〜第３実施例の要部を示す回路図、第４
図は従来の電気抵抗溶接装置における溶接電源回
路を示す回路図、第５図は本考案の説明に供する
タイミングチヤートである。 １……漏電遮断器、２……溶接タイマーコンダ
クタ、３……溶接トランス、４……溶接ガン、７
……変流器、９……増幅器、１０……感度切換装
置、１１……回路遮断器、１２……電圧切換装置
、１４……テストボタン、１７……サイリスタス
タツク、１９……変流器、２１……タイマ、２５
……電磁式テストボタン。

Claims (1)

  1. 【実用新案登録請求の範囲】 所定の短時間の溶接作業が間欠的に反復される
    のに対応して溶接トランスの１次側回路に間欠的
    に電流が流れる電気抵抗溶接装置において、 上記１次側回路における間欠的な通電を検知す
    るための検知手段と、 この検知手段による通電検知に応答して、各通
    電開始時点毎にセツトされるタイマと、 上記１次側回路に上記タイマのセツト時間が終
    了するまで連続的に通電された場合に上記タイマ
    によつて作動される電流遮断手段と を備えていることを特徴とする電気抵抗溶接装置
    。
JP1990027720U 1990-03-20 1990-03-20 電気抵抗溶接装置 Expired - Lifetime JP2517946Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990027720U JP2517946Y2 (ja) 1990-03-20 1990-03-20 電気抵抗溶接装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990027720U JP2517946Y2 (ja) 1990-03-20 1990-03-20 電気抵抗溶接装置

Publications (2)

Publication Number Publication Date
JPH03120983U true JPH03120983U (ja) 1991-12-11
JP2517946Y2 JP2517946Y2 (ja) 1996-11-20

Family

ID=31530559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990027720U Expired - Lifetime JP2517946Y2 (ja) 1990-03-20 1990-03-20 電気抵抗溶接装置

Country Status (1)

Country Link
JP (1) JP2517946Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530959A (en) * 1978-08-28 1980-03-05 Toyo Rubber Chem Ind Co Ltd Mold facility

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530959A (en) * 1978-08-28 1980-03-05 Toyo Rubber Chem Ind Co Ltd Mold facility

Also Published As

Publication number Publication date
JP2517946Y2 (ja) 1996-11-20

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