JP4777737B2 - 昇圧型dc−dcコンバータを有する電子機器 - Google Patents
昇圧型dc−dcコンバータを有する電子機器 Download PDFInfo
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- JP4777737B2 JP4777737B2 JP2005292008A JP2005292008A JP4777737B2 JP 4777737 B2 JP4777737 B2 JP 4777737B2 JP 2005292008 A JP2005292008 A JP 2005292008A JP 2005292008 A JP2005292008 A JP 2005292008A JP 4777737 B2 JP4777737 B2 JP 4777737B2
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- JP
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- Prior art keywords
- power
- converter
- storage element
- voltage
- boosted
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- 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
- H02M3/158—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 including plural semiconductor devices as final control devices for a single load
- H02M3/1588—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 including plural semiconductor devices as final control devices for a single load comprising at least one synchronous rectifier element
-
- 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
-
- 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)
- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
図6に示すように、従来の電子機器は、上記した燃料電池や太陽電池、あるいは、熱発電素子等の発電電力を発生する発電電源101と、この発電電源101が出力する発電電力を、この発電電力の電圧より高い電圧の昇圧電力に変換する昇圧型DC−DCコンバータ102と、昇圧型DC−DCコンバータ102が出力する昇圧電力を充電する蓄電素子103と、蓄電素子103の蓄電電力が昇圧型DC−DCコンバータ102へ逆流するのを防止するショットキーダイオード401と、を有し、発電電源101の発電電力出力端子107は、昇圧型DC−DCコンバータ102の入力端子108と接続され、昇圧型DC−DCコンバータ102の出力端子111は、昇圧型DC−DCコンバータ102の電源端子109とショットキーダイオード401のP型電極とに接続され、ショットキーダイオード401のN型電極は、蓄電素子103の充電端子112と接続された構成である(例えば、特許文献1参照)。
また、昇圧型DC−DCコンバータの出力端子と電源端子が接続されているので、昇圧型DC−DCコンバータは、自ら変換し発生させた昇圧電力の一部で動作することができる。これにより、発電電源が発生する発電電力で昇圧型DC−DCコンバータを動作させるより、より高い電圧で昇圧型DC−DCコンバータが駆動できるため、昇圧型DC−DCコンバータの電力変換能力を向上することができるし、一旦、昇圧型DC−DCコンバータが起動していれば、その後に、発電電源が発生する発電電力の電圧が、昇圧型DC−DCコンバータが動作できる電圧未満となっても、この発電電力が昇圧型DC−DCコンバータの動作電力より十分大きければ、昇圧型DC−DCコンバータは、昇圧電力で動作を持続でできることが可能となり、この様な発電電力の場合でも、蓄電素子に充電することが可能となる。
さらに、ショットキーダイオードを設けることで、発電電源の発電が停止し、発電電力が発生しない場合に、蓄電素子の蓄電電力が昇圧型DC−DCコンバータの電源端子へ逆流し、昇圧型DC−DCコンバータの動作消費されてしまうことを防止できる。
102 昇圧型DC−DCコンバータ
103 蓄電素子
104 第2の整流手段であるショットキーダイオード
105 電源平滑容量
203 第1の整流手段であるショットキーダイオード
401 逆流防止回路
Claims (3)
- 発電電力を発生する発電電源と、前記発電電力を第1の昇圧電力に昇圧するDC−DCコンバータと、前記第1の昇圧電力を充電する蓄電素子と、前記蓄電素子の電力で駆動される負荷と、を有する電子機器であって、
前記DC−DCコンバータは、
前記発電電源に接続された入力端子と、
前記蓄電素子に接続され、前記第1の昇圧電力を出力する第1の出力端子と、
前記入力端子に接続されたコイルと、
前記コイルに入力端子が接続され、前記第1の出力端子に出力端子が接続された第1の整流手段と、
前記コイルに接続されたスイッチ素子と、
前記スイッチ素子を駆動するスイッチング制御回路と、
前記第1の整流手段の出力端子に接続された第1の容量と、
前記第1の整流手段の入力端子に接続された第2の出力端子と、を備え、
前記第2の出力端子に接続された第2の整流手段で整流した第2の昇圧電力を、前記DC−DCコンバータの電源とすることを特徴とする電子機器。 - 前記第1の昇圧電力が前記蓄電素子へ充電される充電経路に、逆流防止回路を設けたことを特徴とする請求項1記載の電子機器。
- 前記逆流防止回路は、前記第2の昇圧電力の電圧をモニターすることで、前記蓄電素子の蓄電電力が前記DC−DCコンバータへ逆流する状態となったことを検出した場合に、前記充電経路を遮断することを特徴とする請求項2記載の電子機器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005292008A JP4777737B2 (ja) | 2005-10-05 | 2005-10-05 | 昇圧型dc−dcコンバータを有する電子機器 |
TW095135209A TWI431912B (zh) | 2005-10-05 | 2006-09-22 | 具有升壓型dc-dc變壓器的電子機器 |
CN2006100639311A CN1983780B (zh) | 2005-10-05 | 2006-09-30 | 具有升压dc-dc变换器的电子设备 |
KR1020060097197A KR101228267B1 (ko) | 2005-10-05 | 2006-10-02 | 승압형 dc-dc 컨버터를 갖는 전자 기기 |
US11/542,486 US7652454B2 (en) | 2005-10-05 | 2006-10-03 | Electronic equipment having a boost DC-DC converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005292008A JP4777737B2 (ja) | 2005-10-05 | 2005-10-05 | 昇圧型dc−dcコンバータを有する電子機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007104810A JP2007104810A (ja) | 2007-04-19 |
JP4777737B2 true JP4777737B2 (ja) | 2011-09-21 |
Family
ID=37947565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005292008A Expired - Fee Related JP4777737B2 (ja) | 2005-10-05 | 2005-10-05 | 昇圧型dc−dcコンバータを有する電子機器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7652454B2 (ja) |
JP (1) | JP4777737B2 (ja) |
KR (1) | KR101228267B1 (ja) |
CN (1) | CN1983780B (ja) |
TW (1) | TWI431912B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5317884B2 (ja) * | 2009-05-22 | 2013-10-16 | 金威貿易有限公司 | 圧電式電源変換器 |
WO2011074680A1 (ja) * | 2009-12-19 | 2011-06-23 | サイエンスパーク株式会社 | 電力抽出回路及び電力供給システム |
JP5549280B2 (ja) * | 2010-03-05 | 2014-07-16 | トヨタ自動車株式会社 | チョッパ回路、dc/dcコンバータ、燃料電池システム |
JP2012015491A (ja) * | 2010-06-04 | 2012-01-19 | Semiconductor Energy Lab Co Ltd | 光電変換装置 |
US20120182001A1 (en) * | 2011-01-17 | 2012-07-19 | Immense Advance Technology Corp. | Low input voltage boost converter operable at low temperatures and boost controller thereof |
TWI422114B (zh) * | 2011-01-26 | 2014-01-01 | Univ Nat Taiwan Normal | 針對保護電子儲能裝置之自供電前饋充電電路及設計方法 |
US8476964B1 (en) * | 2012-05-17 | 2013-07-02 | Emerson Electric Co. | Obtaining elevated output voltages from charge pump circuits |
JP6008668B2 (ja) | 2012-09-19 | 2016-10-19 | シャープ株式会社 | 電力変換装置及び蓄電システム並びに蓄電方法 |
CN103684160B (zh) * | 2013-12-05 | 2016-02-17 | 南京航空航天大学 | 自升压双凸极无刷直流发电系统 |
EP3346243A1 (en) * | 2017-01-10 | 2018-07-11 | STMicroelectronics (Research & Development) Limited | Zero power sensors |
JP6904798B2 (ja) * | 2017-06-16 | 2021-07-21 | エイブリック株式会社 | 電源装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5572417A (en) * | 1994-07-13 | 1996-11-05 | Vlt Corporation | AC to DC boost power converters |
JP2000228871A (ja) * | 1999-02-08 | 2000-08-15 | Japan Aviation Electronics Industry Ltd | ステップアップコンバータ |
JP2001037212A (ja) * | 1999-07-14 | 2001-02-09 | Nec Corp | 低電圧入力dc−dcコンバータ |
US6177736B1 (en) * | 1999-11-12 | 2001-01-23 | General Motors Corporation | DC/DC converter for a fuel cell providing both a primary and auxiliary output voltage |
US6998732B2 (en) * | 2002-07-23 | 2006-02-14 | Lite-On Technology Corporation | Power system for supplying stable power |
JP2004120950A (ja) | 2002-09-27 | 2004-04-15 | Nippon Telegr & Teleph Corp <Ntt> | 太陽電池携帯電源 |
JP2004215433A (ja) * | 2003-01-07 | 2004-07-29 | Sharp Corp | スイッチング電源装置 |
JP2004336974A (ja) * | 2003-05-12 | 2004-11-25 | Origin Electric Co Ltd | 電源装置 |
TWI274454B (en) * | 2005-03-04 | 2007-02-21 | Ind Tech Res Inst | A power management method and system of a hybrid power supply |
US7161331B2 (en) * | 2005-04-11 | 2007-01-09 | Yuan Ze University | Boost converter utilizing bi-directional magnetic energy transfer of coupling inductor |
-
2005
- 2005-10-05 JP JP2005292008A patent/JP4777737B2/ja not_active Expired - Fee Related
-
2006
- 2006-09-22 TW TW095135209A patent/TWI431912B/zh not_active IP Right Cessation
- 2006-09-30 CN CN2006100639311A patent/CN1983780B/zh not_active Expired - Fee Related
- 2006-10-02 KR KR1020060097197A patent/KR101228267B1/ko active IP Right Grant
- 2006-10-03 US US11/542,486 patent/US7652454B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1983780B (zh) | 2010-11-17 |
JP2007104810A (ja) | 2007-04-19 |
TW200727565A (en) | 2007-07-16 |
KR101228267B1 (ko) | 2013-01-30 |
CN1983780A (zh) | 2007-06-20 |
TWI431912B (zh) | 2014-03-21 |
US20070085514A1 (en) | 2007-04-19 |
KR20070038427A (ko) | 2007-04-10 |
US7652454B2 (en) | 2010-01-26 |
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