JP2015104246A - 電源装置及び電気機器 - Google Patents
電源装置及び電気機器 Download PDFInfo
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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
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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
- H02M3/01—Resonant DC/DC 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
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
- H02M1/0035—Control circuits allowing low power mode operation, e.g. in standby mode using burst mode control
-
- 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
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
以下、本発明に係る電源装置を実施の形態を示す図面に基づいて説明する。図1は実施の形態1の電源装置100の回路構成の一例を示すブロック図である。電源装置100の入力端は、商用電源1(例えば、AC100V、AC200Vなど)に接続され、商用電源1から交流電圧を受電し、受電した交流電圧をダイオードブリッジ10で全波整流して直流電圧に変換する。
図5は実施の形態2の電源装置120の回路構成の一例を示すブロック図であり、図6は実施の形態2の電源装置120の動作の一例を示すタイミングチャートである。図5において、実施の形態1との相違点は、電圧検出部50に代えて、負荷検出部としての電流検出回路60を具備する点である。
図7は実施の形態3の電源装置140の回路構成の一例を示すブロック図であり、図8は実施の形態3の電源装置140の動作の一例を示すタイミングチャートである。図7において、実施の形態1との相違点は、電圧検出部50に代えて、接続判定部としてのUSB−DOWN負荷検出回路70を具備する点である。図7に示すように、接続判定部は、例えば、USB−DOWN負荷検出回路70を備える。
18 FET(制御部、トランジスタ)
20 変圧器(電流共振回路)
21 1次巻線
22 2次巻線
23 キャパシタ(電流共振回路)
24、25 FET(スイッチング素子)
39 MPU
42 フォトダイオード(切替部)
43 フォトトランジスタ(切替部)
44 ダイオード(切替部)
50 電圧検出部(負荷検出部)
60 電流検出回路(負荷検出部)
70 USB−DOWN負荷検出回路(接続判定部)
Claims (8)
- 変圧器及び該変圧器の一次側に接続された共振回路を周期的にオン及びオフを繰り返すスイッチング素子で駆動する電流共振回路と、連続動作又は間欠動作を示す外部信号に応じて前記スイッチング素子がオン及びオフを連続的に繰り返す連続動作及び間欠的に繰り返す間欠動作で動作すべく制御する制御部とを備える電源装置において、
前記変圧器の二次側の電圧を検出する電圧検出部と、
前記間欠動作を示す外部信号に応じて、前記制御部が前記スイッチング素子を間欠動作すべく制御している場合に、前記電圧検出部で検出した電圧が所定の第1閾値電圧より低くなったときは、前記制御部が前記スイッチング素子を連続動作すべく制御するように切り替える切替部と
を備えることを特徴とする電源装置。 - 前記切替部は、
前記スイッチング素子を連続動作すべく切り替えた場合に、前記電圧検出部で検出した電圧が前記第1閾値電圧より高い第2閾値電圧より高くなったときは、前記制御部が前記スイッチング素子を間欠動作すべく制御するように切り替えるようにしてあることを特徴とする請求項1に記載の電源装置。 - 前記切替部は、
前記制御部で連続動作を示す外部信号が与えられている場合に、前記電圧検出部での電圧検出を無効とすることを特徴とする請求項1又は請求項2に記載の電源装置。 - 前記電圧検出部は、
前記変圧器の2次側に直列に接続された複数の抵抗を有し、
前記切替部は、
前記複数の抵抗で分圧された電圧に応じてオン又はオフするフォトダイオードと、
前記変圧器の1次側に設けられ、前記フォトダイオードのオン又はオフに応じてオン又はオフするフォトトランジスタと
を有し、
前記制御部は、
オン状態又はオフ状態に応じて前記連続動作又は間欠動作を画定するトランジスタを有し、
前記フォトトランジスタのオン又はオフに応じて前記トランジスタをオン又はオフさせるようにしてあることを特徴とする請求項3に記載の電源装置。 - 前記切替部は、
さらに、前記フォトダイオードのカソードに接続されたダイオードを有し、
前記連続動作を示す外部信号が与えられている場合に、前記ダイオードをオンするようにしてあることを特徴とする請求項4に記載の電源装置。 - 変圧器及び該変圧器の一次側に接続された共振回路を周期的にオン及びオフを繰り返すスイッチング素子で駆動する電流共振回路と、連続動作又は間欠動作を示す外部信号に応じて前記スイッチング素子がオン及びオフを連続的に繰り返す連続動作及び間欠的に繰り返す間欠動作で動作すべく制御する制御部とを備える電源装置において、
前記変圧器の二次側の負荷の大小を検出する負荷検出部と、
前記間欠動作を示す外部信号に応じて、前記制御部が前記スイッチング素子を間欠動作すべく制御している場合に、前記負荷検出部で検出した負荷が所定の第1閾値より大きくなったときは、前記制御部が前記スイッチング素子を連続動作すべく制御するように切り替える切替部と
を備えることを特徴とする電源装置。 - 変圧器及び該変圧器の一次側に接続された共振回路を周期的にオン及びオフを繰り返すスイッチング素子で駆動する電流共振回路と、連続動作又は間欠動作を示す外部信号に応じて前記スイッチング素子がオン及びオフを連続的に繰り返す連続動作及び間欠的に繰り返す間欠動作で動作すべく制御する制御部とを備える電源装置において、
前記変圧器の二次側に接続される外部機器の接続の有無を判定する接続判定部と、
前記間欠動作を示す外部信号に応じて、前記制御部が前記スイッチング素子を間欠動作すべく制御している場合に、前記接続判定部で外部機器が接続されたと判定したときは、前記制御部が前記スイッチング素子を連続動作すべく制御するように切り替える切替部と
を備えることを特徴とする電源装置。 - 請求項1から請求項7までのいずれか1項に記載の電源装置と、前記変圧器の2次側に設けられたコネクタとを備え、間欠動作を示す外部信号が与えられた場合に前記コネクタに接続された外部機器に給電可能にしてあることを特徴とする電気機器。
Priority Applications (7)
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JP2013244051A JP6433652B2 (ja) | 2013-11-26 | 2013-11-26 | 電源装置及び電気機器 |
US15/036,913 US9641061B2 (en) | 2013-11-26 | 2014-04-10 | Power source apparatus and electric device |
PCT/JP2014/060403 WO2015079722A1 (ja) | 2013-11-26 | 2014-04-10 | 電源装置及び電気機器 |
CN201480063225.XA CN105765843B (zh) | 2013-11-26 | 2014-04-10 | 电源装置和电气设备 |
EP14866265.3A EP3076537A4 (en) | 2013-11-26 | 2014-04-10 | POWER SOURCE APPARATUS AND ELECTRICAL DEVICE |
AU2014355917A AU2014355917B2 (en) | 2013-11-26 | 2014-04-10 | Power source apparatus and electric device |
RU2016116334A RU2629554C9 (ru) | 2013-11-26 | 2014-04-10 | Источник питания и электрическое устройство, содержащее такой источник питания |
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CN (1) | CN105765843B (ja) |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017135894A (ja) * | 2016-01-28 | 2017-08-03 | 富士電機株式会社 | スイッチング電源装置 |
JP2017147854A (ja) * | 2016-02-17 | 2017-08-24 | 富士電機株式会社 | スイッチング電源装置 |
KR20170120419A (ko) * | 2016-04-21 | 2017-10-31 | 삼성전자주식회사 | 전원공급장치, 이를 구비한 디스플레이 장치 및 전원 공급 방법 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US9525353B2 (en) * | 2014-09-19 | 2016-12-20 | Sanken Electric Co., Ltd. | Switching power-supply device for performing control of output voltage switching operation |
JP6245385B2 (ja) * | 2015-01-16 | 2017-12-13 | 富士電機株式会社 | スイッチング電源装置 |
DE102015105476A1 (de) * | 2015-04-10 | 2016-10-13 | Abb Schweiz Ag | Verfahren und Vorrichtung zur Energieversorgung einer Niederspannungslast |
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Also Published As
Publication number | Publication date |
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WO2015079722A1 (ja) | 2015-06-04 |
EP3076537A1 (en) | 2016-10-05 |
CN105765843B (zh) | 2018-11-02 |
EP3076537A4 (en) | 2016-12-28 |
AU2014355917B2 (en) | 2017-08-10 |
RU2629554C9 (ru) | 2018-01-22 |
CN105765843A (zh) | 2016-07-13 |
US20160294273A1 (en) | 2016-10-06 |
US9641061B2 (en) | 2017-05-02 |
JP6433652B2 (ja) | 2018-12-05 |
RU2629554C1 (ru) | 2017-08-30 |
AU2014355917A1 (en) | 2016-07-07 |
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