JP6136173B2 - 直流電源装置 - Google Patents
直流電源装置 Download PDFInfo
- Publication number
- JP6136173B2 JP6136173B2 JP2012221113A JP2012221113A JP6136173B2 JP 6136173 B2 JP6136173 B2 JP 6136173B2 JP 2012221113 A JP2012221113 A JP 2012221113A JP 2012221113 A JP2012221113 A JP 2012221113A JP 6136173 B2 JP6136173 B2 JP 6136173B2
- Authority
- JP
- Japan
- Prior art keywords
- current
- voltage
- switching element
- power supply
- output
- 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.)
- Active
Links
- 238000004804 winding Methods 0.000 claims description 57
- 238000001514 detection method Methods 0.000 claims description 55
- 230000001172 regenerating effect Effects 0.000 claims description 21
- 238000012935 Averaging Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 17
- 238000009499 grossing Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000000630 rising effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Images
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
-
- 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
-
- 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
-
- 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
- H02M3/15—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 discharge tubes 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
- 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
- H02M3/1582—Buck-boost converters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
-
- 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
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
-
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/38—Switched mode power supply [SMPS] using boost topology
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/385—Switched mode power supply [SMPS] using flyback topology
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
FL1 EMIフィルタ
RC1 全波整流回路
RL LED群負荷装置
Q1 スイッチング素子
1,1a,1b,1c 電源装置
11,15 コンパレータ
13 電流制御用誤差増幅器
14 PWMコンパレータ
OCP 過電流保護回路
16,16a,16b 検出部
17 アンド回路
20 ハイサイド電流検出部
161 1ショット回路
162 RSF/F
163 ピークホールド回路
164 1/2倍変換器
165 電圧電流変換アンプ
166 n/2倍変換器
Np 主巻線(一次巻線)
Ns 二次巻線
Nd 補助巻線
ASW1,ASW2 アナログスイッチ
Ci,Co,C1,C2,Ccomp コンデンサ
D1,D2,D3 ダイオード
V1,V2,V3,Vref 基準電圧
Claims (1)
- 交流電源からの交流電力を直流電力に変換して出力する直流電源装置において、
前記交流電源の交流電圧を全波整流して直流電圧に変換する整流器と、
スイッチング素子、リアクトル及びダイオードを有し、前記スイッチング素子をオン/オフさせることにより前記整流器の直流電圧を別の直流電圧に変換して負荷に供給するコンバータと、
前記スイッチング素子に流れる電流を検出する電流検出部と、
前記電流検出部で検出された電流の値をピークホールドするピークホールド部と、
前記ピークホールド部でピークホールドされたピークホールド値のn/2(n≧1の整数)を前記リアクトルの回生電流期間のみ出力するn/2出力部と、
前記n/2出力部の出力を電流に変換し積分して出力する平均化部と、
前記平均化部の出力信号に基づき、前記リアクトルに流れる電流の平均電流値が所定値になるように前記スイッチング素子をオン/オフさせる制御部と、
を備え、
前記リアクトルは、主巻線と補助巻線とを有し、
前記補助巻線に発生する電圧に基づき、前記リアクトルの回生電流期間を検出する回生電流期間検出部を備え、
前記コンバータは、降圧型コンバータからなり、前記nは1であり、
前記平均化部は、前記スイッチング素子に流れる電流と前記n/2出力部の出力とを電流に変換して積分して出力することを特徴とする直流電源装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012221113A JP6136173B2 (ja) | 2012-10-03 | 2012-10-03 | 直流電源装置 |
US14/034,677 US9484812B2 (en) | 2012-10-03 | 2013-09-24 | Direct-current power supply device |
CN201310446578.5A CN103715887B (zh) | 2012-10-03 | 2013-09-25 | 直流电源装置 |
KR1020130114279A KR101516566B1 (ko) | 2012-10-03 | 2013-09-26 | 직류전원장치 |
TW102135000A TWI516007B (zh) | 2012-10-03 | 2013-09-27 | DC power supply unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012221113A JP6136173B2 (ja) | 2012-10-03 | 2012-10-03 | 直流電源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014075875A JP2014075875A (ja) | 2014-04-24 |
JP6136173B2 true JP6136173B2 (ja) | 2017-05-31 |
Family
ID=50385026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012221113A Active JP6136173B2 (ja) | 2012-10-03 | 2012-10-03 | 直流電源装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9484812B2 (ja) |
JP (1) | JP6136173B2 (ja) |
KR (1) | KR101516566B1 (ja) |
CN (1) | CN103715887B (ja) |
TW (1) | TWI516007B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109180189B (zh) * | 2018-10-08 | 2021-03-30 | 中南大学 | 一种高熵碳化物超高温陶瓷粉体及其制备方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6587054B2 (ja) * | 2015-06-19 | 2019-10-09 | パナソニックIpマネジメント株式会社 | 点灯装置及び照明器具 |
US9680378B2 (en) * | 2015-08-28 | 2017-06-13 | Sanken Electric Co., Ltd. | Switching power-supply device |
JP6128201B1 (ja) * | 2015-12-28 | 2017-05-17 | ダイキン工業株式会社 | 電源装置、その電源装置を用いたインバータ装置、並びにコンバータ装置、及びそのインバータ装置又はコンバータ装置を用いた冷凍装置、並びに空気清浄器 |
US20180192494A1 (en) * | 2016-08-31 | 2018-07-05 | Guangdong Oml Technology Co., Ltd. | A non-isolated switching mode power supply for a high-voltage light strip |
CN106357117A (zh) * | 2016-08-31 | 2017-01-25 | 广东欧曼科技股份有限公司 | 用于高压灯带的非隔离开关电源 |
JP6900832B2 (ja) * | 2017-08-09 | 2021-07-07 | 富士電機株式会社 | 調光装置および電力変換装置 |
US11837951B2 (en) * | 2020-10-14 | 2023-12-05 | Nexgen Power Systems, Inc. | Self-oscillating high frequency converter with power factor correction |
WO2024068277A1 (en) * | 2022-09-27 | 2024-04-04 | Signify Holding B.V. | Smps series regulator with energy recycle back to the source |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6617832B1 (en) | 2002-06-03 | 2003-09-09 | Texas Instruments Incorporated | Low ripple scalable DC-to-DC converter circuit |
JP3824166B2 (ja) * | 2004-01-06 | 2006-09-20 | 横河電機株式会社 | 昇降圧型電流レギュレータ及び昇降圧型電流レギュレータの制御方法 |
WO2005101638A1 (en) * | 2004-04-16 | 2005-10-27 | System General Corp. | Discontinuous mode pfc controller having a power saving modulator and operation method thereof |
US7378805B2 (en) | 2005-03-22 | 2008-05-27 | Fairchild Semiconductor Corporation | Single-stage digital power converter for driving LEDs |
JP4724229B2 (ja) * | 2005-10-09 | 2011-07-13 | システム ジェネラル コーポレーション | 一次側が制御された電力変換器用のスイッチング制御回路 |
EP2173025A1 (en) * | 2007-06-29 | 2010-04-07 | Murata Manufacturing Co. Ltd. | Switching power unit |
US7817447B2 (en) * | 2008-08-30 | 2010-10-19 | Active-Semi, Inc. | Accurate voltage regulation of a primary-side regulation power supply in continuous conduction mode operation |
US8525495B2 (en) * | 2009-06-03 | 2013-09-03 | Lincoln Global, Inc. | Input current generator for buck-boost circuit control |
WO2011052197A1 (en) * | 2009-10-29 | 2011-05-05 | Fuji Electric Systems Co., Ltd. | Switching power supply circuit and power factor controller |
CN102076148A (zh) * | 2009-11-09 | 2011-05-25 | 东芝照明技术株式会社 | Led点灯装置以及照明装置 |
JP5545075B2 (ja) * | 2010-06-30 | 2014-07-09 | サンケン電気株式会社 | 直流電源装置 |
JP2012023294A (ja) | 2010-07-16 | 2012-02-02 | Time Engineering Co Ltd | Led点灯装置 |
JP5645700B2 (ja) * | 2011-02-16 | 2014-12-24 | キヤノン株式会社 | 放電回路、放電回路を有する電源及び画像形成装置 |
EP2501028B1 (en) * | 2011-03-16 | 2018-09-26 | HiDeep Inc. | Power supply for controlling current |
-
2012
- 2012-10-03 JP JP2012221113A patent/JP6136173B2/ja active Active
-
2013
- 2013-09-24 US US14/034,677 patent/US9484812B2/en active Active
- 2013-09-25 CN CN201310446578.5A patent/CN103715887B/zh active Active
- 2013-09-26 KR KR1020130114279A patent/KR101516566B1/ko active IP Right Grant
- 2013-09-27 TW TW102135000A patent/TWI516007B/zh not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109180189B (zh) * | 2018-10-08 | 2021-03-30 | 中南大学 | 一种高熵碳化物超高温陶瓷粉体及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN103715887B (zh) | 2016-04-06 |
US20140092642A1 (en) | 2014-04-03 |
US9484812B2 (en) | 2016-11-01 |
KR20140043865A (ko) | 2014-04-11 |
JP2014075875A (ja) | 2014-04-24 |
TW201433067A (zh) | 2014-08-16 |
CN103715887A (zh) | 2014-04-09 |
KR101516566B1 (ko) | 2015-05-04 |
TWI516007B (zh) | 2016-01-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6136173B2 (ja) | 直流電源装置 | |
US8953348B2 (en) | Switching power supply circuit and power factor controller | |
JP6476997B2 (ja) | 電源制御用半導体装置 | |
JP5056395B2 (ja) | スイッチング電源装置 | |
WO2012147453A1 (ja) | 直流電源装置 | |
KR20120139537A (ko) | 독립 제어를 갖는 캐스케이드 부스트 및 반전 벅 컨버터 | |
JP5761301B2 (ja) | 点灯装置および照明器具 | |
KR20130057321A (ko) | 스위치 제어 방법, 스위치 제어기 및 이를 포함하는 컨버터 | |
JP2011062043A (ja) | 力率改善回路及びこれを用いたled照明器具 | |
KR101265799B1 (ko) | 가변모드 컨버터 제어회로 및 이를 구비한 하프-브리지컨버터 | |
KR101183493B1 (ko) | 직류전원장치 | |
JP4854556B2 (ja) | 電源装置 | |
JP2012143133A (ja) | スイッチング電源装置 | |
JP2010068688A (ja) | スイッチング電源装置 | |
JP2012143134A (ja) | スイッチング電源装置 | |
JP5203444B2 (ja) | スイッチング電源装置 | |
JP2006340590A (ja) | Ac−dcコンバータ | |
JP2011083049A (ja) | 電圧変換装置 | |
US10306717B1 (en) | Flicker-free LED driving apparatus and voltage regulating method thereof | |
JP6417930B2 (ja) | 非絶縁型電源装置 | |
JP2013116003A (ja) | 点灯装置 | |
JP6527741B2 (ja) | Led点灯装置 | |
WO2017203687A1 (ja) | スイッチング電源制御回路及びスイッチング電源装置 | |
JP6409304B2 (ja) | 絶縁型直流電源装置 | |
JP6096133B2 (ja) | 負荷駆動装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150902 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20160622 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160628 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160804 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20161220 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170217 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20170223 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170404 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170417 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6136173 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |