JP6949618B2 - 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
JP6949618B2
JP6949618B2 JP2017156870A JP2017156870A JP6949618B2 JP 6949618 B2 JP6949618 B2 JP 6949618B2 JP 2017156870 A JP2017156870 A JP 2017156870A JP 2017156870 A JP2017156870 A JP 2017156870A JP 6949618 B2 JP6949618 B2 JP 6949618B2
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JP
Japan
Prior art keywords
control
switching
voltage
power supply
frequency
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JP2017156870A
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English (en)
Japanese (ja)
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JP2019037072A5 (enExample
JP2019037072A (ja
Inventor
泰洋 志村
泰洋 志村
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
Priority to JP2017156870A priority Critical patent/JP6949618B2/ja
Priority to US16/057,636 priority patent/US10547235B2/en
Publication of JP2019037072A publication Critical patent/JP2019037072A/ja
Priority to US16/719,782 priority patent/US11556087B2/en
Publication of JP2019037072A5 publication Critical patent/JP2019037072A5/ja
Application granted granted Critical
Publication of JP6949618B2 publication Critical patent/JP6949618B2/ja
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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
    • G03G15/80—Details relating to power supplies, circuits boards, electrical connections
    • 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
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static 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
    • H02M1/36—Means for starting or stopping 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
    • 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
    • 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
    • H02M3/33569—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 having several active switching elements
    • H02M3/33571—Half-bridge at primary side of an isolation transformer
    • 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
    • H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
    • 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
    • H02M1/34—Snubber circuits
    • H02M1/342—Active non-dissipative snubbers
    • 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
    • H02M3/01—Resonant DC/DC converters
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dc-Dc Converters (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Control Or Security For Electrophotography (AREA)
JP2017156870A 2017-08-15 2017-08-15 電源装置及び画像形成装置 Active JP6949618B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017156870A JP6949618B2 (ja) 2017-08-15 2017-08-15 電源装置及び画像形成装置
US16/057,636 US10547235B2 (en) 2017-08-15 2018-08-07 Power supply apparatus and image forming apparatus changing a frequency of a switching operation
US16/719,782 US11556087B2 (en) 2017-08-15 2019-12-18 Power supply apparatus and image forming apparatus controlling a switching frequency based on a feedback voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017156870A JP6949618B2 (ja) 2017-08-15 2017-08-15 電源装置及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2019037072A JP2019037072A (ja) 2019-03-07
JP2019037072A5 JP2019037072A5 (enExample) 2020-08-27
JP6949618B2 true JP6949618B2 (ja) 2021-10-13

Family

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JP2017156870A Active JP6949618B2 (ja) 2017-08-15 2017-08-15 電源装置及び画像形成装置

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US (2) US10547235B2 (enExample)
JP (1) JP6949618B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10861639B2 (en) * 2018-09-17 2020-12-08 Infineon Technologies Austria Ag Adaptive control loop gain for switching mode power supply

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI49185C (fi) 1972-06-02 1975-04-10 Outokumpu Oy Tapa metallien erottamiseksi toisistaan neste-neste-uuttauksella
JPS5645979A (en) 1979-09-22 1981-04-25 Sumitomo Heavy Ind Ltd Cover detacher for coke oven
JP3387456B2 (ja) * 1998-10-29 2003-03-17 株式会社村田製作所 スイッチング電源装置
JP3663998B2 (ja) * 1999-09-30 2005-06-22 富士ゼロックス株式会社 現像装置及びこれを用いた画像形成装置
JP4141248B2 (ja) * 2002-12-25 2008-08-27 富士通株式会社 スペクトラム拡散クロック発生回路
KR100632688B1 (ko) * 2004-01-30 2006-10-11 가부시키가이샤 무라타 세이사쿠쇼 스위칭 전원장치
US8665614B2 (en) * 2007-09-28 2014-03-04 Stmicroelectronics S.R.L. Control method and device for switching power supplies having more than one control mode
JP5389505B2 (ja) * 2009-04-02 2014-01-15 株式会社日本自動車部品総合研究所 電力変換システム
WO2011111483A1 (ja) * 2010-03-09 2011-09-15 株式会社村田製作所 スイッチング電源装置
KR20120072933A (ko) * 2010-12-24 2012-07-04 삼성전자주식회사 다중출력전원공급장치 및 이를 구비한 화상형성장치
JP5645979B2 (ja) 2013-01-25 2014-12-24 三菱電機株式会社 デジタル制御電源装置およびデジタル制御演算方法
JP2015104281A (ja) * 2013-11-27 2015-06-04 キヤノン株式会社 電源装置及び画像形成装置
US9941798B2 (en) * 2014-02-14 2018-04-10 Infineon Technologies Austria Ag Switched-mode power conversion
JP6367738B2 (ja) * 2015-02-27 2018-08-01 株式会社日立製作所 電力変換装置
US9991800B2 (en) * 2015-05-20 2018-06-05 Semiconductor Components Industries, Llc Switched mode power supply with efficient operation at light loads and method therefor
JP6579827B2 (ja) * 2015-06-30 2019-09-25 キヤノン株式会社 電源装置及び画像形成装置
US9966865B2 (en) 2015-06-30 2018-05-08 Canon Kabushiki Kaisha Power supply apparatus and image forming apparatus
JP6611530B2 (ja) 2015-09-11 2019-11-27 キヤノン株式会社 電力供給装置及び画像形成装置
JP6700704B2 (ja) 2015-09-30 2020-05-27 キヤノン株式会社 電力供給装置及び画像形成装置
JP6665476B2 (ja) 2015-10-06 2020-03-13 富士電機株式会社 スイッチング電源装置の制御回路
JP6700772B2 (ja) 2015-12-18 2020-05-27 キヤノン株式会社 電源装置及び画像形成装置
JP6778267B2 (ja) * 2016-08-30 2020-10-28 ヌヴォトンテクノロジージャパン株式会社 スイッチング電源装置および半導体装置
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
JP6843696B2 (ja) 2017-04-28 2021-03-17 キヤノン株式会社 電源装置及び画像形成装置
JP6942549B2 (ja) 2017-07-14 2021-09-29 キヤノン株式会社 電源装置及び画像形成装置
US10389259B2 (en) 2017-08-15 2019-08-20 Canon Kabushiki Kaisha Power supply apparatus and image forming apparatus switching a capacitance value of a resonance capacitor at a time of a continuous operation and an intermittent operation
JP6961420B2 (ja) 2017-08-15 2021-11-05 キヤノン株式会社 電源装置及び画像形成装置

Also Published As

Publication number Publication date
US11556087B2 (en) 2023-01-17
US10547235B2 (en) 2020-01-28
US20190058386A1 (en) 2019-02-21
JP2019037072A (ja) 2019-03-07
US20200127551A1 (en) 2020-04-23

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