JP2008118727A - スイッチング電源装置 - Google Patents
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- H02M3/33576—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 having at least one active switching element at the secondary side of an isolation transformer
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- 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
- H02M3/337—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 in push-pull configuration
- H02M3/3376—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 in push-pull configuration with automatic control of output voltage or current
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- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/527—Voltage
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/529—Current
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- B60L2240/547—Voltage
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- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/08—Three-wire systems; Systems having more than three wires
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- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/08—Three-wire systems; Systems having more than three wires
- H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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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
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Abstract
【解決手段】主バッテリ10を優先的に充電する際には、SW制御部6によって、スイッチング回路51におけるスイッチング動作のデューティ比が一定となると共に、双方向スイッチング回路13におけるスイッチング動作のデューティ比が可変となるように制御する。一方、補機バッテリ30を優先的に充電する際には、SW制御部6によって、スイッチング回路51および双方向スイッチング回路13におけるスイッチング動作のデューティ比が可変となるように制御する。補機バッテリ30を優先的に充電する際には、スイッチング回路51におけるスイッチング動作のデューティ比が一定となると共にスイッチング素子Q9によるスイッチング動作のデューティ比が可変となるように制御してもよい。
【選択図】図1
Description
図1は、本発明の第1の実施の形態に係るスイッチング電源装置の回路構成を表すものである。このスイッチング電源装置は例えば自動車などに適用されるものであり、トランス2と、このトランス2における後述する主バッテリ10側に設けられた電圧・電流検出部11、コンデンサC1および双方向スイッチング回路13と、トランス2における後述する補機バッテリ20および商用電源50側に設けられた整流回路31、平滑回路32、電圧・電流検出部33、スイッチング回路51、電圧検出部52,54、PFC(Power Factor Correction;力率改善)回路53およびダイオード55D1〜55D4と、双方向スイッチング回路13、スイッチング回路51およびPFC回路53におけるスイッチング動作を制御するSW制御部6とを備えている。
次に、本発明の第2の実施の形態について説明する。本実施の形態のスイッチング電源装置と第1の実施の形態のスイッチング電源装置との違いは、補機バッテリ優先充電動作の内容である。なお、第1の実施の形態で示した構成要素と同一の構成要素には同一の符号を付し、適宜説明を省略する。
Claims (6)
- 互いに磁気的に結合された第1トランスコイル、第2トランスコイルおよび第3トランスコイルを含むトランスと、
前記第1トランスコイルと第1の直流電源との間に配置され、双方向スイッチを含んで構成された第1のスイッチング回路と、
前記第2トランスコイルと第2の直流電源との間に配置された整流回路と、
前記第3トランスコイルと交流電圧入力端子との間に配置された第2のスイッチング回路と、
前記第1の直流電源を優先的に充電する際には、前記第2のスイッチング回路におけるスイッチング動作のデューティ比が一定となると共に前記第1のスイッチング回路におけるスイッチング動作のデューティ比が可変となるように制御し、前記第2の直流電源を優先的に充電する際には、前記第2のスイッチング回路におけるスイッチング動作のデューティ比が可変となると共に前記第1のスイッチング回路がスイッチング動作をするように制御するスイッチング制御部と
を備えたことを特徴とするスイッチング電源装置。 - 前記スイッチング制御部は、前記第2のスイッチング回路におけるスイッチング動作のデューティ比以下のデューティ比で前記第1のスイッチング回路がスイッチング動作をするように制御する
ことを特徴とする請求項1に記載のスイッチング電源装置。 - 前記第1および第2の直流電源のうちの少なくとも一方の充電量を検出する第1の検出部を備え、
前記スイッチング制御部は、前記第1の検出部による検出結果に基づいて、前記第1および第2の直流電源のうちの一方に対する優先的な充電動作の制御を行う
ことを特徴とする請求項1または請求項2に記載のスイッチング電源装置。 - 前記交流電圧入力端子からの交流入力電圧の供給の有無を検出する第2の検出部を備え、
前記スイッチング制御部は、前記第2の検出部による検出結果に基づいて、前記交流入力電圧が供給されていないと判断した場合には、前記第1の直流電源から供給される直流入力電圧を電圧変換して前記第2の直流電源へ供給する直流電圧変換動作を行うように制御し、前記交流入力電圧が供給されていると判断した場合には、前記第1および第2の直流電源のうちの少なくとも一方に対する充電動作を行うように制御する
ことを特徴とする請求項1ないし請求項3のいずれか1項に記載のスイッチング電源装置。 - 前記第2のスイッチング回路と前記交流電圧入力端子との間に、力率改善回路をさらに備えた
ことを特徴とする請求項1ないし請求項4のいずれか1項に記載のスイッチング電源装置。 - 互いに磁気的に結合された第1トランスコイル、第2トランスコイルおよび第3トランスコイルを含むトランスと、
前記第1トランスコイルと第1の直流電源との間に配置された第1のスイッチング回路と、
前記第2トランスコイルと第2の直流電源との間に配置された整流回路と、
前記第3トランスコイルと交流電圧入力端子との間に配置された第2のスイッチング回路と、
前記第2のスイッチング回路と前記交流電圧入力端子との間に配置され、スイッチング素子を含んで構成された力率改善回路と、
前記第1の直流電源を優先的に充電する際には、前記第2のスイッチング回路におけるスイッチング動作のデューティ比が一定となると共に前記第1のスイッチング回路におけるスイッチング動作のデューティ比が可変となるように制御し、前記第2の直流電源を優先的に充電する際には、この第2の直流電源の充電量に応じて前記第2のスイッチング回路におけるスイッチング動作のデューティ比および前記スイッチング素子のデューティ比のうちの少なくとも一方が可変となると共に前記第1のスイッチング回路がスイッチング動作をするように制御するスイッチング制御部と
を備えたことを特徴とするスイッチング電源装置。
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EP20070021219 EP1919070A3 (en) | 2006-10-31 | 2007-10-30 | Switching power supply unit |
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EP1919070A2 (en) | 2008-05-07 |
JP4263736B2 (ja) | 2009-05-13 |
US20080101096A1 (en) | 2008-05-01 |
US7796410B2 (en) | 2010-09-14 |
EP1919070A3 (en) | 2010-03-17 |
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