JPH0361581U - - Google Patents

Info

Publication number
JPH0361581U
JPH0361581U JP12232889U JP12232889U JPH0361581U JP H0361581 U JPH0361581 U JP H0361581U JP 12232889 U JP12232889 U JP 12232889U JP 12232889 U JP12232889 U JP 12232889U JP H0361581 U JPH0361581 U JP H0361581U
Authority
JP
Japan
Prior art keywords
potential difference
transformers
coils
frequency induction
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.)
Pending
Application number
JP12232889U
Other languages
English (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 JP12232889U priority Critical patent/JPH0361581U/ja
Publication of JPH0361581U publication Critical patent/JPH0361581U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • General Induction Heating (AREA)
  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例による高周波誘導加
熱装置の接地検出回路を示す回路図、第２図は他
の実施例による接地検出回路を示す回路図、第３
図は従来の高周波誘導加熱装置を示す回路図であ
る。 １……加熱コイル、２……整合変圧器、３……
高周波電源、４……被加熱材、５，６……単相計
器用変圧器、５Ａ，６Ａ……１次側コイル、５Ｂ
，６Ｂ……２次側コイル、７……交流直流変換器
、８……調整抵抗器、９……演算器、１０……警
報器、１１……電源停止信号、１２……力率改善
用コンデンサー、１３……電圧計、１４……指針
。

Claims (1)

    【実用新案登録請求の範囲】
  1. 水冷銅管を巻回した加熱コイルと並列に、電源
    線間に２台の単相計器用変圧器を直列に接続し、
    この両計器用変圧器の１次側コイルの中間部を接
    地すると共に、２次側の両コイルの電位差を検出
    する電位差検出装置を設けたことを特徴とする高
    周波誘導加熱装置の接地検出回路。
JP12232889U 1989-10-19 1989-10-19 Pending JPH0361581U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12232889U JPH0361581U (ja) 1989-10-19 1989-10-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12232889U JPH0361581U (ja) 1989-10-19 1989-10-19

Publications (1)

Publication Number Publication Date
JPH0361581U true JPH0361581U (ja) 1991-06-17

Family

ID=31670331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12232889U Pending JPH0361581U (ja) 1989-10-19 1989-10-19

Country Status (1)

Country Link
JP (1) JPH0361581U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009295473A (ja) * 2008-06-06 2009-12-17 Ntn Corp 高周波加熱装置およびコア劣化検知方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5945107A (ja) * 1982-09-07 1984-03-13 Teijin Ltd ポリエステル粉粒体の貯蔵方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5945107A (ja) * 1982-09-07 1984-03-13 Teijin Ltd ポリエステル粉粒体の貯蔵方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009295473A (ja) * 2008-06-06 2009-12-17 Ntn Corp 高周波加熱装置およびコア劣化検知方法

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