JP2022176156A - 電源装置及び画像形成装置 - Google Patents

電源装置及び画像形成装置 Download PDF

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Publication number
JP2022176156A
JP2022176156A JP2022078670A JP2022078670A JP2022176156A JP 2022176156 A JP2022176156 A JP 2022176156A JP 2022078670 A JP2022078670 A JP 2022078670A JP 2022078670 A JP2022078670 A JP 2022078670A JP 2022176156 A JP2022176156 A JP 2022176156A
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JP
Japan
Prior art keywords
rectifying
voltage
power supply
diode
smoothing 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
JP2022078670A
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English (en)
Japanese (ja)
Other versions
JP2022176156A5 (enExample
Inventor
光則 大島
Mitsunori Oshima
隼也 小林
Junya Kobayashi
正己 稲垣
Masami Inagaki
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.)
Canon Inc
Original Assignee
Canon Inc
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 by Canon Inc filed Critical Canon Inc
Publication of JP2022176156A publication Critical patent/JP2022176156A/ja
Publication of JP2022176156A5 publication Critical patent/JP2022176156A5/ja
Pending legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5004—Power supply control, e.g. power-saving mode, automatic power turn-off
    • 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
    • H02M1/0048—Circuits or arrangements for reducing losses
    • H02M1/0051—Diode reverse recovery losses
    • 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
    • H02M1/0064—Magnetic structures combining different functions, e.g. storage, filtering or transformation
    • 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
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
    • 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
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dc-Dc Converters (AREA)
  • Control Or Security For Electrophotography (AREA)
JP2022078670A 2021-05-13 2022-05-12 電源装置及び画像形成装置 Pending JP2022176156A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021081568 2021-05-13
JP2021081568 2021-05-13

Publications (2)

Publication Number Publication Date
JP2022176156A true JP2022176156A (ja) 2022-11-25
JP2022176156A5 JP2022176156A5 (enExample) 2025-05-16

Family

ID=83999021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022078670A Pending JP2022176156A (ja) 2021-05-13 2022-05-12 電源装置及び画像形成装置

Country Status (2)

Country Link
US (1) US12107506B2 (enExample)
JP (1) JP2022176156A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024040615A (ja) 2022-09-13 2024-03-26 キヤノン株式会社 電源装置及び画像形成装置
US12261533B2 (en) * 2022-10-14 2025-03-25 Power Integrations, Inc. Circuit for detecting power in a multi-stage power converter
JP2024076244A (ja) 2022-11-24 2024-06-05 キヤノン株式会社 電源装置及び画像形成装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3412624B2 (ja) * 2001-06-08 2003-06-03 サンケン電気株式会社 スイッチング電源装置
JP2004274847A (ja) 2003-03-06 2004-09-30 Hitachi Industrial Equipment Systems Co Ltd 電源回路及びこれを用いた電子機器
JP2008283787A (ja) * 2007-05-10 2008-11-20 Matsushita Electric Ind Co Ltd スイッチング電源装置
JP2009232509A (ja) 2008-03-19 2009-10-08 Sharp Corp スイッチング電源
US9621053B1 (en) * 2014-08-05 2017-04-11 Flextronics Ap, Llc Peak power control technique for primary side controller operation in continuous conduction mode
JP6669387B2 (ja) 2015-12-16 2020-03-18 キヤノン株式会社 電源装置及び画像形成装置
JP6859113B2 (ja) 2017-01-20 2021-04-14 キヤノン株式会社 電源装置及び画像形成装置
JP6991832B2 (ja) * 2017-10-30 2022-01-13 キヤノン株式会社 電源装置及び画像形成装置
JP7114364B2 (ja) 2018-06-22 2022-08-08 キヤノン株式会社 電源装置及び画像形成装置
US11079832B2 (en) 2018-12-07 2021-08-03 Canon Kabushiki Kaisha Image forming apparatus that performs AC-DC and DC-DC voltage conversions, and having a power supply that reduces power consumption in low consumption power mode
US12261533B2 (en) * 2022-10-14 2025-03-25 Power Integrations, Inc. Circuit for detecting power in a multi-stage power converter

Also Published As

Publication number Publication date
US20220368237A1 (en) 2022-11-17
US12107506B2 (en) 2024-10-01

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