GB1524722A - Power supply for magnetron - Google Patents

Power supply for magnetron

Info

Publication number
GB1524722A
GB1524722A GB36695/75A GB3669575A GB1524722A GB 1524722 A GB1524722 A GB 1524722A GB 36695/75 A GB36695/75 A GB 36695/75A GB 3669575 A GB3669575 A GB 3669575A GB 1524722 A GB1524722 A GB 1524722A
Authority
GB
United Kingdom
Prior art keywords
magnetron
circuit
thyristor
transistor
current
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.)
Expired
Application number
GB36695/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP49104495A external-priority patent/JPS5131101A/ja
Priority claimed from JP49104496A external-priority patent/JPS5131102A/ja
Priority claimed from JP49139316A external-priority patent/JPS5164804A/ja
Priority claimed from JP49139317A external-priority patent/JPS5164805A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1524722A publication Critical patent/GB1524722A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H05B6/64—Heating using microwaves
    • H05B6/66—Circuits
    • H05B6/68—Circuits for monitoring or control
    • H05B6/681—Circuits comprising an inverter, a boost transformer and a magnetron
    • H05B6/682—Circuits comprising an inverter, a boost transformer and a magnetron wherein the switching control is based on measurements of electrical values of the circuit
    • H05B6/685—Circuits comprising an inverter, a boost transformer and a magnetron wherein the switching control is based on measurements of electrical values of the circuit the measurements being made at the low voltage side of the circuit
    • 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
    • H02M5/443—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 thyratron or thyristor type requiring extinguishing means
    • H02M5/45—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 thyratron or thyristor type requiring extinguishing means 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
    • H02M7/505—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 thyratron or thyristor type requiring extinguishing means
    • H02M7/515—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/525—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
    • 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
    • H05B6/64—Heating using microwaves
    • H05B6/66—Circuits
    • H05B6/662—Aspects related to the boost transformer of the microwave heating apparatus
    • 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
    • H05B6/64—Heating using microwaves
    • H05B6/66—Circuits
    • H05B6/68—Circuits for monitoring or control
    • H05B6/681—Circuits comprising an inverter, a boost transformer and a magnetron
    • H05B6/682—Circuits comprising an inverter, a boost transformer and a magnetron wherein the switching control is based on measurements of electrical values of the circuit
    • H05B6/683—Circuits comprising an inverter, a boost transformer and a magnetron wherein the switching control is based on measurements of electrical values of the circuit the measurements being made at the high voltage side of the circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Microwave Tubes (AREA)
GB36695/75A 1974-09-10 1975-09-05 Power supply for magnetron Expired GB1524722A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP49104495A JPS5131101A (en) 1974-09-10 1974-09-10 Magunetoron no dengensochi
JP49104496A JPS5131102A (en) 1974-09-10 1974-09-10 Magunetoron no dengensochi
JP49139316A JPS5164804A (en) 1974-12-03 1974-12-03 Koshuhakanetsukyodengensochi
JP49139317A JPS5164805A (en) 1974-12-03 1974-12-03 Koshuhakanetsukyodengensochi

Publications (1)

Publication Number Publication Date
GB1524722A true GB1524722A (en) 1978-09-13

Family

ID=27469223

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36695/75A Expired GB1524722A (en) 1974-09-10 1975-09-05 Power supply for magnetron

Country Status (7)

Country Link
US (1) US4005370A (https=)
AU (1) AU496806B2 (https=)
CA (1) CA1048612A (https=)
DE (1) DE2539917A1 (https=)
FR (1) FR2284976A1 (https=)
GB (1) GB1524722A (https=)
SE (1) SE415061B (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353112A (en) 1978-09-11 1982-10-05 U.S. Philips Corporation Switched-mode voltage converter
GB2137780A (en) * 1983-02-10 1984-10-10 Newton Derby Ltd Current regulated power supply circuit
US4481447A (en) * 1982-06-21 1984-11-06 U.S. Philips Corporation Power supply for a magnetron
GB2160339A (en) * 1984-05-25 1985-12-18 Toshiba Kk Regulated frequency converter
GB2213613A (en) * 1987-12-28 1989-08-16 Gen Electric Power supply for a magnetron
US4945467A (en) * 1988-02-26 1990-07-31 Black & Decker Inc. Multiple-mode voltage converter
US5012058A (en) * 1987-12-28 1991-04-30 General Electric Company Magnetron with full wave bridge inverter

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194160A (en) * 1977-09-02 1980-03-18 International Telephone And Telegraph Corporation Noninteractive heater power supply
KR900004448B1 (ko) * 1986-03-25 1990-06-25 가부시끼가이샤 히다찌 세이사꾸쇼 스위칭전원
GB8613567D0 (en) * 1986-06-04 1986-07-09 Electrolux Ab Power supply circuits
SE453043B (sv) * 1986-07-04 1988-01-04 Alfastar Ab Forfarande och anordning for att styra mikrovagseffekten hos flera magnetroner medelst endast ett kraftaggregat
AU592262B2 (en) * 1987-04-30 1990-01-04 Matsushita Electric Industrial Co., Ltd. Magnetron feeding apparatus and method of controlling the same
JPH07111918B2 (ja) * 1987-07-28 1995-11-29 三菱電機株式会社 マイクロ波放電光源装置
FR2626431B1 (fr) * 1988-01-21 1990-06-15 Spiridonov Jury Dispositif de reglage de la puissance d'un magnetron de four menager micro-ondes
SE460328B (sv) * 1988-02-02 1989-09-25 Philips Norden Ab Mikrovaagsugn
JP2603984B2 (ja) * 1988-02-16 1997-04-23 株式会社東芝 調理器
JP2839632B2 (ja) * 1990-03-30 1998-12-16 株式会社東芝 電子レンジ
US6340912B1 (en) 1998-07-02 2002-01-22 Raytheon Company Solid state magnetron switcher
US6624400B2 (en) * 1999-01-20 2003-09-23 Samsung Electronics Co., Ltd. Microwave oven with an apparatus for detecting life time of components thereof
KR100591314B1 (ko) 2003-12-05 2006-06-19 엘지전자 주식회사 인버터 전자레인지 및 그 제어방법
US7696458B2 (en) 2005-06-03 2010-04-13 Illinois Tool Works Inc. Induction heating system and method of output power control
TR201718128A2 (tr) * 2017-11-16 2019-06-21 Arcelik As Bi̇r besleme devresi̇

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB690442A (en) * 1950-10-13 1953-04-22 Gen Electric Co Ltd Improvements in or relating to the automatic frequency control of electrical oscillation generators
US3207994A (en) * 1963-03-11 1965-09-21 Ling Temco Vought Inc Trigger-charging current interlock for pulse modulator
US3300656A (en) * 1964-03-30 1967-01-24 Ault Inc Resonant energy voltage regulator providing constant total energy pulses dependent on, but not affected by, load requirements
US3320477A (en) * 1964-08-19 1967-05-16 Gen Electric Power supply having over-voltage and over-current protection means
US3546606A (en) * 1966-05-02 1970-12-08 Air Reduction Electron gun power regulation method and apparatus
CA848547A (en) * 1967-02-14 1970-08-04 Canadian General Electric Company Limited Regulated direct voltage to direct voltage power supply
GB1157194A (en) * 1967-04-05 1969-07-02 Hirst Microwave Heating Ltd Magnetron Temperature Control
US3596165A (en) * 1969-07-24 1971-07-27 Tektronix Inc Converter circuit having a controlled output
FR2120404A5 (https=) * 1970-12-31 1972-08-18 Soulier Joel
US3736491A (en) * 1972-04-07 1973-05-29 Gte Automatic Electric Lab Inc Dc-to-dc regulated converter current foldback power
US3816809A (en) * 1973-04-30 1974-06-11 Gte Automatic Electric Lab Inc Power supply having improved over-voltage protection
US3902099A (en) * 1973-09-24 1975-08-26 Advance Transformer Co Energizing circuit for magnetron using parallel transformers
DE2441692B2 (de) * 1974-08-30 1978-07-06 Karl Dr. 4900 Herford Fritz Schaltungsanordnung zur Hochspannungsversorgung eines Leistungsmagnetrons

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353112A (en) 1978-09-11 1982-10-05 U.S. Philips Corporation Switched-mode voltage converter
US4481447A (en) * 1982-06-21 1984-11-06 U.S. Philips Corporation Power supply for a magnetron
GB2137780A (en) * 1983-02-10 1984-10-10 Newton Derby Ltd Current regulated power supply circuit
GB2160339A (en) * 1984-05-25 1985-12-18 Toshiba Kk Regulated frequency converter
US4656571A (en) * 1984-05-25 1987-04-07 Kabushiki Kaisha Toshiba Frequency converting device and control method therefor
GB2213613A (en) * 1987-12-28 1989-08-16 Gen Electric Power supply for a magnetron
US5012058A (en) * 1987-12-28 1991-04-30 General Electric Company Magnetron with full wave bridge inverter
GB2213613B (en) * 1987-12-28 1992-08-26 Gen Electric Microwave energy generating system
US4945467A (en) * 1988-02-26 1990-07-31 Black & Decker Inc. Multiple-mode voltage converter

Also Published As

Publication number Publication date
AU8471075A (en) 1977-04-21
FR2284976A1 (fr) 1976-04-09
SE7510018L (sv) 1976-03-11
DE2539917C2 (https=) 1987-12-03
DE2539917A1 (de) 1976-03-25
CA1048612A (en) 1979-02-13
AU496806B2 (en) 1978-11-02
US4005370A (en) 1977-01-25
SE415061B (sv) 1980-09-01
FR2284976B1 (https=) 1980-05-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920905