JP2006351301A5 - - Google Patents

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Publication number
JP2006351301A5
JP2006351301A5 JP2005174476A JP2005174476A JP2006351301A5 JP 2006351301 A5 JP2006351301 A5 JP 2006351301A5 JP 2005174476 A JP2005174476 A JP 2005174476A JP 2005174476 A JP2005174476 A JP 2005174476A JP 2006351301 A5 JP2006351301 A5 JP 2006351301A5
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JP
Japan
Prior art keywords
circuit configuration
bridge circuit
inverter
hand stage
full
Prior art date
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Granted
Application number
JP2005174476A
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Japanese (ja)
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JP4384085B2 (en
JP2006351301A (en
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Publication date
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Priority to JP2005174476A priority Critical patent/JP4384085B2/en
Priority claimed from JP2005174476A external-priority patent/JP4384085B2/en
Priority to CN 200610003016 priority patent/CN1882202A/en
Publication of JP2006351301A publication Critical patent/JP2006351301A/en
Publication of JP2006351301A5 publication Critical patent/JP2006351301A5/ja
Application granted granted Critical
Publication of JP4384085B2 publication Critical patent/JP4384085B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (4)

整流手段の直流電圧を変換して共振コンデンサと加熱コイルからなる共振回路に高周波電流を流すインバータ手段と、
前記整流手段の入力電流を検出する入力電流検出手段と、
前記共振回路に流れる電流を検出するインバータ電流検出手段と、
前記入力電流検出手段および前記インバータ電流検出手段の入力から負荷の状態を検出する負荷状態検出手段とを具備し、
前記インバータ手段は共振回路に対してハーフブリッジ回路構成またはフルブリッジ回路構成に切り替え可能とし、
前記負荷状態検出手段の入力によりインバータ手段をハーフブリッジ回路構成またはフルブリッジ回路構成に切り替えるよう制御する制御手段を設けたことを特徴とする誘導加熱調理器。 An inverter hand stage frequency current DC voltage is converted into heat coil or Ranaru resonant circuits with the resonant capacitor of the rectifier hand stage,
An input current detecting means to detect the input current of the rectifier hand stage,
An inverter current detecting means to detect the current flowing in the resonant circuits,
; And a load state detection means to detect the state of the load from the input of the input current detection hand stage you and the inverter current sensing hand stage,
Before Symbol inverter hand stage and can be switched to a half-bridge circuit configuration or a full-bridge circuit configuration for the resonant circuits,
Induction heating cooker which characterized in that a control means to control so as to switch the inverter manual stage by the input of the load state detection hand stage half-bridge circuit configuration or a full-bridge circuit configuration. ハーフブリッジ回路構成に切り替えた前記インバータ手段の駆動周波数は、フルブリッジ回路構成に切り替えた場合に比べ高い周波数で駆動することを特徴とする請求項１記載の誘導加熱調理器。 Driving frequency of the inverter hand stages switched in a half-bridge circuit configuration, the induction heating cooker of claim 1, wherein the driving at a high frequency compared with the case of switching to the full-bridge circuit configuration. 前記インバータ手段の回路構成をハーフブリッジ回路構成またはフルブリッジ回路構成に切り替えた場合は、前記共振コンデンサの容量を変化させることを特徴とする請求項１または２記載の誘導加熱調理器。 When switching the circuit configuration of the inverter hand stage half-bridge circuit configuration or a full-bridge circuit arrangement, the induction heating cooker according to claim 1 or 2, wherein the changing the capacitance of the resonant capacitor. 前記インバータ手段の回路構成をハーフブリッジ回路構成またはフルブリッジ回路構成に切り替えた場合は、前記負荷状態検出手段の閾値を変化させることを特徴とする請求項１から３のいずれかに記載の誘導加熱調理器。 Wherein when switching the circuit configuration of the inverter hand stage half-bridge circuit configuration or a full-bridge circuit arrangement, according to any one of claims 1 to 3, characterized in that changing the threshold value of the load state detection hand stage Induction heating cooker.
JP2005174476A 2005-06-15 2005-06-15 Induction heating cooker Expired - Fee Related JP4384085B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005174476A JP4384085B2 (en) 2005-06-15 2005-06-15 Induction heating cooker
CN 200610003016 CN1882202A (en) 2005-06-15 2006-01-26 Induction type heating cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005174476A JP4384085B2 (en) 2005-06-15 2005-06-15 Induction heating cooker

Publications (3)

Publication Number Publication Date
JP2006351301A JP2006351301A (en) 2006-12-28
JP2006351301A5 true JP2006351301A5 (en) 2008-02-14
JP4384085B2 JP4384085B2 (en) 2009-12-16

Family

ID=37520107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005174476A Expired - Fee Related JP4384085B2 (en) 2005-06-15 2005-06-15 Induction heating cooker

Country Status (2)

Country Link
JP (1) JP4384085B2 (en)
CN (1) CN1882202A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5045143B2 (en) * 2007-02-22 2012-10-10 パナソニック株式会社 Induction heating device
CN101316076B (en) * 2007-05-28 2012-01-04 四川省临景软件开发有限责任公司 Output current control method of inverter
JP5089481B2 (en) * 2008-05-09 2012-12-05 三菱電機株式会社 Induction heating cooker
ES2557329T3 (en) * 2009-05-26 2016-01-25 Mitsubishi Electric Corporation Induction heating method
KR101835714B1 (en) * 2011-04-01 2018-03-08 삼성전자주식회사 Induction heating cooker and control method thereof
JP5236052B2 (en) * 2011-08-10 2013-07-17 三菱電機株式会社 Induction heating cooker
JP6452576B2 (en) * 2015-08-24 2019-01-16 日立アプライアンス株式会社 Electromagnetic induction heating device
CN105207484B (en) * 2015-08-31 2018-01-16 天津电气科学研究院有限公司 A kind of new full-bridge LLC is unloaded and with voltage control method when carrying
CN108601123B (en) * 2017-11-13 2021-03-23 成都航空职业技术学院 Variable-frequency induction heating circuit

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