JPH0487573U - - Google Patents

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Publication number
JPH0487573U
JPH0487573U JP40011590U JP40011590U JPH0487573U JP H0487573 U JPH0487573 U JP H0487573U JP 40011590 U JP40011590 U JP 40011590U JP 40011590 U JP40011590 U JP 40011590U JP H0487573 U JPH0487573 U JP H0487573U
Authority
JP
Japan
Prior art keywords
detects
current
secondary coil
grounding
detection circuit
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
JP40011590U
Other languages
Japanese (ja)
Other versions
JPH076057Y2 (en
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 JP1990400115U priority Critical patent/JPH076057Y2/en
Publication of JPH0487573U publication Critical patent/JPH0487573U/ja
Application granted granted Critical
Publication of JPH076057Y2 publication Critical patent/JPH076057Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Handcart (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図は本考案の実施例による高周波溶接装置のブ
ロツク図である。 １……高周波電源である高周波発生器、２……
出力変流器、２ａ……１次コイル、２ｂ……２次
コイル、３……ワークコイル、４……被溶接物体
であるパイプ、５……インピーダンス素子、６…
…変流器、７……接地電流検出回路、８……接地
電流設定器、９……比較器、１０……トリツプ回
路、１１……異常表示器、１２……警報器、１３
……鑑視回路。 The figure is a block diagram of a high frequency welding device according to an embodiment of the present invention. 1...High frequency generator which is a high frequency power supply, 2...
Output current transformer, 2a...Primary coil, 2b...Secondary coil, 3...Work coil, 4...Pipe which is the object to be welded, 5...Impedance element, 6...
... Current transformer, 7 ... Ground current detection circuit, 8 ... Ground current setting device, 9 ... Comparator, 10 ... Trip circuit, 11 ... Abnormality indicator, 12 ... Alarm, 13
...Visitor circuit.

Claims (1)

【実用新案登録請求の範囲】 高周波電源の出力側に接続された出力変流器の
２次コイルに溶接電流供給部材を接続し、この溶
接電流供給部材を介して被溶接物体を溶接すると
共に、溶接時の異常を検出して電源をトリツプす
る鑑視保護装置において、 前記出力変流器の２次コイルの接地電流を検出
する接地電流検出回路と、接地電流通常値に対す
る前記出力変流器の負荷側の状態による前記接地
電流検出回路の検出信号の変化を検出する比較器
の検出信号に応じて異常を検出する警報表示器と
、前記比較器の検出信号に応じて前記高周波電源
をトリツプするトリツプ回路からなる鑑視回路を
備えていることを特徴とする高周波溶接装置の鑑
視保護装置。[Claims for Utility Model Registration] A welding current supply member is connected to the secondary coil of an output current transformer connected to the output side of a high frequency power source, and an object to be welded is welded via this welding current supply member, A visual protection device that detects an abnormality during welding and trips the power supply includes a grounding current detection circuit that detects the grounding current of the secondary coil of the output current transformer, and a grounding current detection circuit that detects the grounding current of the secondary coil of the output current transformer, and a grounding current detection circuit that detects the grounding current of the secondary coil of the output current transformer; an alarm indicator that detects an abnormality in response to a detection signal from a comparator that detects a change in the detection signal of the ground current detection circuit due to a load-side condition; and a warning indicator that trips the high-frequency power source in response to the detection signal of the comparator. A visual protection device for high frequency welding equipment, characterized in that it is equipped with a visual circuit consisting of a trip circuit.
JP1990400115U 1990-12-05 1990-12-05 Carrying car Expired - Lifetime JPH076057Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990400115U JPH076057Y2 (en) 1990-12-05 1990-12-05 Carrying car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990400115U JPH076057Y2 (en) 1990-12-05 1990-12-05 Carrying car

Publications (2)

Publication Number Publication Date
JPH0487573U true JPH0487573U (en) 1992-07-29
JPH076057Y2 JPH076057Y2 (en) 1995-02-15

Family

ID=31878416

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990400115U Expired - Lifetime JPH076057Y2 (en) 1990-12-05 1990-12-05 Carrying car

Country Status (1)

Country Link
JP (1) JPH076057Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002178924A (en) * 2000-12-14 2002-06-26 Naberu:Kk Baggage carrier
KR200471316Y1 (en) * 2013-08-22 2014-02-17 전혁구 Carrying cart with cooling and chair functions
JP2017196335A (en) * 2016-04-28 2017-11-02 株式会社スワニー Bag having folding chair and base frame constituting the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56135235U (en) * 1980-03-13 1981-10-14
JPS61101069U (en) * 1984-12-11 1986-06-27
JPS637058U (en) * 1986-07-01 1988-01-18

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56135235U (en) * 1980-03-13 1981-10-14
JPS61101069U (en) * 1984-12-11 1986-06-27
JPS637058U (en) * 1986-07-01 1988-01-18

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002178924A (en) * 2000-12-14 2002-06-26 Naberu:Kk Baggage carrier
KR200471316Y1 (en) * 2013-08-22 2014-02-17 전혁구 Carrying cart with cooling and chair functions
JP2017196335A (en) * 2016-04-28 2017-11-02 株式会社スワニー Bag having folding chair and base frame constituting the same

Also Published As

Publication number Publication date
JPH076057Y2 (en) 1995-02-15

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