JP2017169297A - 電源装置 - Google Patents
電源装置 Download PDFInfo
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- JP2017169297A JP2017169297A JP2016050452A JP2016050452A JP2017169297A JP 2017169297 A JP2017169297 A JP 2017169297A JP 2016050452 A JP2016050452 A JP 2016050452A JP 2016050452 A JP2016050452 A JP 2016050452A JP 2017169297 A JP2017169297 A JP 2017169297A
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- Prior art keywords
- voltage
- circuit
- value
- control
- power supply
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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
- 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
- H02M3/33507—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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
3,3b、3c、3e 制御用電源回路
6 DC/DCコンバータ
13 トランス
15 制御回路
27 出力設定回路
30 整流器
31 平滑コンデンサ
40,50,50c、50e 充電間引き回路
51,51c 分周器
52,52e スイッチング回路
70 電流センサ
88,89 出力端子
90 負荷
92,96 制御回路(他の制御回路)
Iu 電流
L3 補助巻線
S1 スリープ信号(切替えを指令する信号)
Va 交流電圧(交流電力)
Vb 電圧(整流した電力、整流後の電圧信号)
Vc 制御用電圧
Vu 出力電圧
Vx 電圧信号(分周後の電圧信号)
Claims (8)
- トランスと前記トランスに対する電力の入力を出力電圧の設定値に応じて制御する制御回路とを有した電源装置であって、
前記トランスに設けられた補助巻線と、
前記補助巻線に生じる交流電力を整流して前記制御回路を動作させるための制御用電圧を出力する制御用電源回路と、を備え、
前記制御用電源回路は、
前記制御用電圧の出力端子間に接続され、前記交流電力を整流した電力により充電される平滑コンデンサと、
前記平滑コンデンサの両端電圧値が前記制御用電圧の設定値となるように、前記平滑コンデンサの充電を断続させる充電間引き回路と、
を有することを特徴とする電源装置。 - 前記制御用電源回路は、前記交流電力を整流して前記整流した電力として出力する整流器を有し、
前記充電間引き回路は、整流後の電圧信号を分周する分周器と、分周後の電圧信号によってオンオフ制御されて前記整流器から前記平滑コンデンサへ流れる電流を断続するスイッチング回路と、を有する、
請求項1記載の電源装置。 - 当該電源装置から負荷に流れる電流の値を検出する電流センサを有し、
前記充電間引き回路は、検出された前記電流の値が所定値以上である場合に、前記平滑コンデンサの充電を断続させる、
請求項2記載の電源装置。 - 前記出力電圧の設定値を第1の値と前記第1の値よりも低い第2の値とに切り替える出力設定回路を有し、
前記充電間引き回路は、前記出力電圧の設定値が前記第1の値である場合に、前記平滑コンデンサの充電を断続させる、
請求項1または2記載の電源装置。 - 前記トランスの出力を整流した電力に基づいて、電圧値が前記第2の値よりも低い第3の値である直流電力を出力するDC/DCコンバータを有し、
前記制御用電圧の設定値は、DC/DCコンバータの最低動作電圧の値以上である、
請求項4記載の電源装置。 - 前記出力設定回路は、省電力モードへの切替えを指令する信号が入力されたときに、前記出力電圧の設定値を前記第2の値に切り替える、
請求項4または5記載の電源装置。 - 前記制御用電圧の設定値は、前記制御回路の最低動作電圧の値よりも高い値である、
請求項1ないし6のいずれかに記載の電源装置。 - 前記制御用電源回路から供給される前記制御用電圧の電力によって動作し、前記制御回路の動作中に動作しまたは停止する他の制御回路を有する、
請求項1ないし7のいずれかに記載の電源装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016050452A JP6682930B2 (ja) | 2016-03-15 | 2016-03-15 | 電源装置 |
US15/456,729 US10069425B2 (en) | 2016-03-15 | 2017-03-13 | Switching power supply device for reducing energy loss |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016050452A JP6682930B2 (ja) | 2016-03-15 | 2016-03-15 | 電源装置 |
Publications (2)
Publication Number | Publication Date |
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JP2017169297A true JP2017169297A (ja) | 2017-09-21 |
JP6682930B2 JP6682930B2 (ja) | 2020-04-15 |
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JP2016050452A Active JP6682930B2 (ja) | 2016-03-15 | 2016-03-15 | 電源装置 |
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US (1) | US10069425B2 (ja) |
JP (1) | JP6682930B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111726006B (zh) * | 2019-03-22 | 2023-07-28 | 精工爱普生株式会社 | 电源控制装置、开关电源以及电子设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001016851A (ja) * | 1999-06-24 | 2001-01-19 | Nichicon Corp | スイッチング電源装置 |
JP2001157450A (ja) * | 1999-11-19 | 2001-06-08 | Sanken Electric Co Ltd | 直流電源装置 |
JP2016025727A (ja) * | 2014-07-18 | 2016-02-08 | 富士通株式会社 | 電源回路 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005341709A (ja) | 2004-05-27 | 2005-12-08 | Shihen Tech Corp | 電源装置 |
JP4993510B2 (ja) | 2008-09-05 | 2012-08-08 | 株式会社ナナオ | 省電力電源装置 |
US8654113B2 (en) * | 2008-09-19 | 2014-02-18 | Mstar Semiconductor, Inc. | Ultra-low-power display control circuit and associated method |
US7889522B2 (en) * | 2008-12-04 | 2011-02-15 | Leadtrend Technology Corp. | Flyback switching power supply and control method thereof |
US20110228565A1 (en) * | 2010-03-16 | 2011-09-22 | Griffin John M | Switchmode power supply for dimmable light emitting diodes |
JP5581808B2 (ja) * | 2010-05-27 | 2014-09-03 | サンケン電気株式会社 | 直流電源装置 |
JP6051571B2 (ja) | 2012-04-13 | 2016-12-27 | セイコーエプソン株式会社 | 電源制御装置および電気システム |
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2016
- 2016-03-15 JP JP2016050452A patent/JP6682930B2/ja active Active
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2017
- 2017-03-13 US US15/456,729 patent/US10069425B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001016851A (ja) * | 1999-06-24 | 2001-01-19 | Nichicon Corp | スイッチング電源装置 |
JP2001157450A (ja) * | 1999-11-19 | 2001-06-08 | Sanken Electric Co Ltd | 直流電源装置 |
JP2016025727A (ja) * | 2014-07-18 | 2016-02-08 | 富士通株式会社 | 電源回路 |
Also Published As
Publication number | Publication date |
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US20170271994A1 (en) | 2017-09-21 |
US10069425B2 (en) | 2018-09-04 |
JP6682930B2 (ja) | 2020-04-15 |
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