JP6920582B2 - 誘導加熱装置 - Google Patents
誘導加熱装置 Download PDFInfo
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- JP6920582B2 JP6920582B2 JP2017128355A JP2017128355A JP6920582B2 JP 6920582 B2 JP6920582 B2 JP 6920582B2 JP 2017128355 A JP2017128355 A JP 2017128355A JP 2017128355 A JP2017128355 A JP 2017128355A JP 6920582 B2 JP6920582 B2 JP 6920582B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/538—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration
- H02M7/53803—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration with automatic control of output voltage or current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/04—Sources of current
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0095—Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4815—Resonant converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4815—Resonant converters
- H02M7/4818—Resonant converters with means for adaptation of resonance frequency, e.g. by modification of capacitance or inductance of resonance circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Induction Heating Cooking Devices (AREA)
- Inverter Devices (AREA)
- General Induction Heating (AREA)
Description
イッチング素子57のゲートに加わる駆動電圧Vg2を示している。図5の(f)は、加熱コイル59に流れる電流ILを示している。
らt2までの休止期間d1を設ける。そして、t2の時点において、制御回路63は、第1のスイッチング素子55のゲートに駆動信号(オン信号)の駆動電圧Vg1を出力する。つまり、休止期間d1により、t1の時点における、第1のスイッチング素子55と第2のスイッチング素子57が同時に導通(オン)することを防止する。そして、図5の(b)で説明した共振経路から、図5の(a)に示す加熱コイル59−共振コンデンサ60−第1のスイッチング素子55、または第1のダイオード56−第2の平滑コンデンサ62の閉回路からなる共振経路に切り換える。これにより、第1のスイッチング素子55を含む共振経路に共振電流が流れる。このとき、第1のスイッチング素子55のゲートに出力される駆動信号の駆動期間T1は、第2のスイッチング素子57の駆動期間T2と、ほぼ同じ(同じを含む)期間、例えば約24μsに設定される。そのため、第2のスイッチング素子57が導通していた場合と同様に、駆動期間T1の約2/3の周期(例えば16μs)で、第1のスイッチング素子55を含む共振経路に共振電流が流れる。
以下、本発明の実施の形態の誘導加熱装置について、図1を参照しながら説明する。
06、第3のスイッチング素子107、第4のスイッチング素子108の導通制御により、第1の共振回路と第2の共振回路に電力が供給される。このとき、第2の共振コンデンサ112の容量を、第1の共振コンデンサ111の容量より、例えば3倍以上、大きくする。これにより、第2の共振コンデンサ112を高周波電源とみなすことができる。
チング素子107をオフするように制御する。
、共振用チョークコイル109を充電する期間である。このとき、t2の期間中は、第1のスイッチング素子105と第4のスイッチング素子108をオンの状態とすることで、ソフトスイッチングの動作状態となる。これにより、第1のスイッチング素子105と第4のスイッチング素子108のスイッチング時の損失を低減できる。
実施の形態の誘導加熱装置の加熱コイルとスイッチング素子に流れる電流波形、およびスイッチング素子の駆動電圧波形を示す図である。
により、第1から第4のスイッチング素子のスイッチング時の損失の増大を抑制できる。
102 整流回路
103 平滑用チョークコイル
104 平滑用コンデンサ
105 第1のスイッチング素子
106 第2のスイッチング素子
107 第3のスイッチング素子
108 第4のスイッチング素子
105a,106a,107a,108a ダイオード(逆導通素子)
109 共振用チョークコイル
110 加熱コイル
111 第1の共振コンデンサ
112 第2の共振コンデンサ
113 被加熱物
114 制御部
115 第1のスナバコンデンサ
116 第2のスナバコンデンサ
117 インバータ
A,B,C 接続点
Claims (1)
- スイッチング素子と、前記スイッチング素子に並列に接続された逆導通素子と、加熱コイルと被加熱物を含む共振回路とを有し、直流電圧の入力により前記スイッチング素子が導通し前記共振回路に電力を供給するインバータを備え、
前記共振回路は、前記加熱コイルと直列に接続される第1の共振コンデンサで構成される第1の共振回路と、前記第1の共振回路と並列に接続される第2の共振コンデンサで構成される第2の共振回路と、前記第2の共振回路と直列に接続された共振用チョークコイルとを備え、
前記共振回路は、前記加熱コイルを流れる電流の周波数に対して、前記第2の共振コンデンサのインピーダンスは、前記加熱コイルと前記第1の共振コンデンサとのインピーダンスの±30%以内に設定される誘導加熱装置。
Applications Claiming Priority (2)
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JP2016162348 | 2016-08-23 | ||
JP2016162348 | 2016-08-23 |
Publications (2)
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JP2018032619A JP2018032619A (ja) | 2018-03-01 |
JP6920582B2 true JP6920582B2 (ja) | 2021-08-18 |
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JP2017128355A Active JP6920582B2 (ja) | 2016-08-23 | 2017-06-30 | 誘導加熱装置 |
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US (1) | US20180063891A1 (ja) |
JP (1) | JP6920582B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112016007024T5 (de) * | 2016-06-30 | 2019-03-21 | Mitsubishi Electric Corporation | Drahtlose leistungsübertragungs-einrichtung, drahtloses leistungsübertragungs-system und induktionsherd |
KR101999511B1 (ko) * | 2017-08-04 | 2019-07-11 | 엘지전자 주식회사 | 유도가열조리기 및 그의 동작 방법 |
KR102641089B1 (ko) * | 2018-11-08 | 2024-02-26 | 엘지전자 주식회사 | 용기 감지 정확도 개선을 위한 단일 펄스 예비 테스트 방법 |
WO2020122599A1 (en) | 2018-12-13 | 2020-06-18 | Samsung Electronics Co., Ltd. | Induction heating apparatus |
KR20200129002A (ko) * | 2019-05-07 | 2020-11-17 | 엘지전자 주식회사 | 간섭 소음 제거 기능 및 출력 제어 기능이 개선된 유도 가열 장치 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2603984B2 (ja) * | 1988-02-16 | 1997-04-23 | 株式会社東芝 | 調理器 |
JP2799052B2 (ja) * | 1990-07-24 | 1998-09-17 | 株式会社東芝 | 高周波加熱調理装置 |
JP3884664B2 (ja) * | 2002-03-01 | 2007-02-21 | 松下電器産業株式会社 | 誘導加熱装置 |
CN107710869B (zh) * | 2015-07-03 | 2021-08-31 | 东洋制罐集团控股株式会社 | 高频感应加热装置 |
-
2017
- 2017-06-30 JP JP2017128355A patent/JP6920582B2/ja active Active
- 2017-08-04 US US15/669,125 patent/US20180063891A1/en not_active Abandoned
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US20180063891A1 (en) | 2018-03-01 |
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