JP2008067494A5 - - Google Patents

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Publication number
JP2008067494A5
JP2008067494A5 JP2006242594A JP2006242594A JP2008067494A5 JP 2008067494 A5 JP2008067494 A5 JP 2008067494A5 JP 2006242594 A JP2006242594 A JP 2006242594A JP 2006242594 A JP2006242594 A JP 2006242594A JP 2008067494 A5 JP2008067494 A5 JP 2008067494A5
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JP
Japan
Prior art keywords
voltage
converter
control means
acdc converter
acdc
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JP2006242594A
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Japanese (ja)
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JP2008067494A (en
JP4965939B2 (en
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Priority to JP2006242594A priority Critical patent/JP4965939B2/en
Priority claimed from JP2006242594A external-priority patent/JP4965939B2/en
Publication of JP2008067494A publication Critical patent/JP2008067494A/en
Publication of JP2008067494A5 publication Critical patent/JP2008067494A5/ja
Application granted granted Critical
Publication of JP4965939B2 publication Critical patent/JP4965939B2/en
Expired - Fee Related legal-status Critical Current
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Claims (3)

交流電圧を入力し直流電圧に変換して、変換した直流電圧を出力するＡＣＤＣコンバータと、
前記ＡＣＤＣコンバータからの出力電圧を制御する第１の制御手段と、
前記ＡＣＤＣコンバータから出力される直流電圧を入力し、その直流電圧を変換して出力するＤＣＤＣコンバータと、
前記ＡＣＤＣコンバータと前記ＤＣＤＣコンバータの動作を制御する第２の制御手段と、を備え、
前記第１の制御手段は、前記ＡＣＤＣコンバータの出力電圧を基準電圧になるように制御し、
前記第２の制御手段は、スリープモード時に、前記基準電圧を低減することにより前記ＡＣＤＣコンバータの発振周波数を低減して、前記ＡＣＤＣコンバータからの出力電圧を低減するとともに、前記ＤＣＤＣコンバータの動作を停止するように制御することを特徴とする電源装置。 Into a DC voltage input AC voltage, a ACDC converter that outputs the converted DC voltage,
First control means for controlling an output voltage from the ACDC converter;
Inputs a DC voltage output from the ACDC converter, a D CDC converter you converts the DC voltage,
E Bei second control means for controlling the operation of the pre-Symbol ACDC converter and the DCDC converter, and,
The first control means controls the output voltage of the ACDC converter to be a reference voltage,
It said second control means, in the sleep mode, to reduce the oscillation frequency of the ACDC converter by reducing the reference voltage, while reducing the output voltage from the ACDC converter, stops the operation of the DCDC converter controller to the power supply device, wherein the benzalkonium to. 前記第２の制御手段は、スリープモード時に、前記ＡＣＤＣコンバータを間欠動作させることを特徴とする請求項１に記載の電源装置。 Before Stories second control means, the power supply device according to claim 1, characterized in that the sleep mode, causes the intermittent operation of the ACDC converter. 前記ＡＣＤＣコンバータの出力電圧が予め定められた値以下のときに、前記ＡＣＤＣコンバータの出力電圧を前記第２の制御手段に接続するためのスイッチを備えたことを特徴とする請求項１または２に記載の電源装置。 When less than the value of the output voltage is predetermined before Symbol ACDC converter, according to claim 1 or 2, further comprising a switch for connecting the output voltage of the ACDC converter to said second control means The power supply device described in 1 .
JP2006242594A 2006-09-07 2006-09-07 Power supply Expired - Fee Related JP4965939B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006242594A JP4965939B2 (en) 2006-09-07 2006-09-07 Power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006242594A JP4965939B2 (en) 2006-09-07 2006-09-07 Power supply

Publications (3)

Publication Number Publication Date
JP2008067494A JP2008067494A (en) 2008-03-21
JP2008067494A5 true JP2008067494A5 (en) 2009-10-22
JP4965939B2 JP4965939B2 (en) 2012-07-04

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ID=39289693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006242594A Expired - Fee Related JP4965939B2 (en) 2006-09-07 2006-09-07 Power supply

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JP (1) JP4965939B2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5268615B2 (en) 2008-12-15 2013-08-21 キヤノン株式会社 Power supply device and image forming apparatus
JP2010206982A (en) * 2009-03-04 2010-09-16 Nichicon Corp Switching power supply device
JP5558729B2 (en) 2009-03-23 2014-07-23 キヤノン株式会社 Converter, switching power supply, and image forming apparatus
JP5611568B2 (en) * 2009-10-30 2014-10-22 株式会社沖データ Power supply circuit and image forming apparatus
JP5759156B2 (en) * 2010-12-06 2015-08-05 キヤノン株式会社 Power supply device and image forming apparatus
JP2013102689A (en) * 2013-02-18 2013-05-23 Canon Inc Power supply device and image forming apparatus
JP2015007852A (en) * 2013-06-25 2015-01-15 パナソニック株式会社 Power supply circuit of controller
JP6453090B2 (en) * 2015-01-30 2019-01-16 株式会社沖データ Image forming apparatus
JP2019111741A (en) * 2017-12-25 2019-07-11 コニカミノルタ株式会社 Image formation device and power source device
CN109975721B (en) * 2017-12-27 2022-05-20 中兴通讯股份有限公司 Power supply monitoring method and system and power supply

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3462784B2 (en) * 1999-01-27 2003-11-05 三洋電機株式会社 Switching power supply circuit
JP2000330671A (en) * 1999-05-17 2000-11-30 Canon Inc Power unit and image processor
JP2004201386A (en) * 2002-12-17 2004-07-15 Ricoh Co Ltd Power supply device and electronic apparatus
JP2006067703A (en) * 2004-08-26 2006-03-09 Sharp Corp Switching power supply device

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