CN100358217C - 一种低压电源主从供电方式的切换电路 - Google Patents
一种低压电源主从供电方式的切换电路 Download PDFInfo
- Publication number
- CN100358217C CN100358217C CNB2003101092888A CN200310109288A CN100358217C CN 100358217 C CN100358217 C CN 100358217C CN B2003101092888 A CNB2003101092888 A CN B2003101092888A CN 200310109288 A CN200310109288 A CN 200310109288A CN 100358217 C CN100358217 C CN 100358217C
- Authority
- CN
- China
- Prior art keywords
- comparator
- power supply
- input
- output
- commutation circuit
- 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.)
- Expired - Lifetime
Links
- 238000005070 sampling Methods 0.000 claims description 22
- 230000009977 dual effect Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/108—Parallel operation of dc sources using diodes blocking reverse current flow
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Dc-Dc Converters (AREA)
- Direct Current Feeding And Distribution (AREA)
- Power Conversion In General (AREA)
- Devices For Supply Of Signal Current (AREA)
Abstract
Description
Claims (8)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101092888A CN100358217C (zh) | 2003-12-11 | 2003-12-11 | 一种低压电源主从供电方式的切换电路 |
EP20040027258 EP1542333A3 (en) | 2003-12-11 | 2004-11-17 | A switching circuit for master-slave feeding mode of low voltage power supply |
US11/002,235 US7332833B2 (en) | 2003-12-11 | 2004-12-03 | Switching circuit for master-slave feeding mode of low voltage power supply |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101092888A CN100358217C (zh) | 2003-12-11 | 2003-12-11 | 一种低压电源主从供电方式的切换电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1627593A CN1627593A (zh) | 2005-06-15 |
CN100358217C true CN100358217C (zh) | 2007-12-26 |
Family
ID=34473886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101092888A Expired - Lifetime CN100358217C (zh) | 2003-12-11 | 2003-12-11 | 一种低压电源主从供电方式的切换电路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7332833B2 (zh) |
EP (1) | EP1542333A3 (zh) |
CN (1) | CN100358217C (zh) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100790970B1 (ko) * | 2005-08-24 | 2008-01-02 | 삼성전자주식회사 | 급격한 전압 변동이 없는 전원스위칭장치 및전원스위칭방법 |
US20070273216A1 (en) * | 2006-05-24 | 2007-11-29 | Farbarik John M | Systems and Methods for Reducing Power Losses in a Medical Device |
KR101260307B1 (ko) * | 2006-09-04 | 2013-05-03 | 삼성전자주식회사 | 전원공급장치 |
US20080118798A1 (en) * | 2006-11-17 | 2008-05-22 | Gallagher Emerson R | Fuel cell system apparatus |
CN100463333C (zh) * | 2006-12-12 | 2009-02-18 | 天津市诺尔电气有限公司 | 双电源自动转换开关控制装置 |
TWI334692B (en) * | 2007-02-06 | 2010-12-11 | Realtek Semiconductor Corp | Dynamic voltage-generating apparatus and method thereof |
US20090212635A1 (en) * | 2008-02-21 | 2009-08-27 | Mv Circuit Design Inc. | Charge coupling and decoupling circuit |
CN101556772B (zh) * | 2008-04-07 | 2011-12-14 | 北京京东方光电科技有限公司 | 液晶显示器驱动电路 |
DE102008037064A1 (de) * | 2008-08-08 | 2010-02-11 | Bayerische Motoren Werke Aktiengesellschaft | Schaltungsanordnung für einen elektrischen Antrieb |
US20100109440A1 (en) * | 2008-10-31 | 2010-05-06 | Honeywell International Inc. | Single fault tolerant isolated dual bus power input circuits and systems |
US7893566B2 (en) * | 2009-03-13 | 2011-02-22 | Fairchild Semiconductor Corporation | Power latch |
CN101841183A (zh) * | 2009-03-16 | 2010-09-22 | 鸿富锦精密工业(深圳)有限公司 | 电源切换电路 |
US20130038228A1 (en) * | 2010-02-15 | 2013-02-14 | Sheng-Chun Hu | Driver cicruit apparatus for an led string, light source apparatus and integrated circuit |
EP2579425B1 (en) * | 2010-05-25 | 2018-04-11 | Hytera Communications Corp., Ltd. | Smooth switching device and method for double power supplies |
CN102222904B (zh) * | 2011-05-31 | 2014-07-09 | 北京交通大学 | 一种直流双路供电电源 |
CN102593946B (zh) * | 2012-02-21 | 2014-02-12 | 德讯科技股份有限公司 | 基于功率mosfet应用的双电源自动切换电路 |
CN102778849B (zh) * | 2012-08-01 | 2015-10-28 | Tcl通力电子(惠州)有限公司 | 开关机控制电路、电子设备及开关机控制方法 |
CN103904769B (zh) * | 2012-12-30 | 2018-01-16 | 航天信息股份有限公司 | 备用电池的控制系统及控制方法 |
CN104143842A (zh) * | 2013-05-07 | 2014-11-12 | 深圳富泰宏精密工业有限公司 | 充电控制电路 |
CN104319869B (zh) * | 2014-08-25 | 2017-05-24 | 俞敏杰 | 用于汽车电子设备的锂电池双电源选择电路 |
CN104460376B (zh) * | 2014-11-28 | 2017-02-22 | 常熟开关制造有限公司(原常熟开关厂) | 断路器控制器的电源装置及断路器控制器、断路器 |
CN105024450B (zh) * | 2015-08-10 | 2019-11-29 | 常熟开关制造有限公司(原常熟开关厂) | 双电源自动转换装置及其转换控制方法、双电源供电系统 |
CN105138099B (zh) * | 2015-08-13 | 2018-08-14 | 浪潮电子信息产业股份有限公司 | 一种解决压降过大的隔离电路 |
US10069309B2 (en) | 2015-10-24 | 2018-09-04 | Dell Products, L.P. | Controlling redundant power supplies in an information handling system |
CN206135414U (zh) * | 2016-10-25 | 2017-04-26 | 宁德时代新能源科技股份有限公司 | 电池管理系统的冗余备份控制电路 |
CN109412255B (zh) * | 2018-10-22 | 2021-11-19 | 宁波三星智能电气有限公司 | 一种低损耗高可靠性的双路电源切换电路 |
CN109633291B (zh) * | 2018-12-20 | 2020-11-27 | 兰州空间技术物理研究所 | 一种空间电场探测系统中偏置电流主备份切换电路 |
CN109831267B (zh) * | 2019-02-26 | 2020-10-27 | 武汉海晟科讯科技有限公司 | 一种基于ptp协议的级联同步数据采集及传输系统 |
CN110071571A (zh) * | 2019-04-12 | 2019-07-30 | 无锡龙翼智能科技有限公司 | 一种双路直流电源供电的驱动电路 |
CN110021993A (zh) * | 2019-04-30 | 2019-07-16 | 合肥巨一动力系统有限公司 | 一种电机控制器的电源防倒灌系统 |
CN110649694B (zh) * | 2019-09-20 | 2023-09-22 | 广东浪潮大数据研究有限公司 | 一种ncsi网卡供电系统 |
CN115113669B (zh) * | 2021-03-23 | 2024-04-09 | 圣邦微电子(北京)股份有限公司 | 供电电路和供电方法 |
CN113224834B (zh) * | 2021-05-28 | 2024-04-09 | 河北工业大学 | 一种auv用主备电源切换电路 |
US11677234B2 (en) | 2021-08-20 | 2023-06-13 | Hamilton Sundstrand Corporation | Power input source detection in aircraft LRU |
CN114899788B (zh) * | 2022-05-17 | 2023-03-31 | 深圳英众世纪智能科技有限公司 | 一种电源控制方法及电子设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4812672A (en) * | 1987-10-01 | 1989-03-14 | Northern Telecom Limited | Selective connection of power supplies |
US5945816A (en) * | 1998-04-21 | 1999-08-31 | Alcatel Network Systems, Inc. | Self-biased power isolator system |
JPH11308766A (ja) * | 1998-04-20 | 1999-11-05 | Nec Fukushima Ltd | 電源装置 |
US6462434B1 (en) * | 2000-12-15 | 2002-10-08 | Hewlett-Packard Company | Power supply isolation circuit and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4323940C2 (de) * | 1993-07-16 | 1996-07-11 | Siemens Nixdorf Inf Syst | Gleichspannungsversorgungssystem mit mindestens einem getakteten Gleichspannungs-Netzgerät |
US5939799A (en) * | 1997-07-16 | 1999-08-17 | Storage Technology Corporation | Uninterruptible power supply with an automatic transfer switch |
US6522190B1 (en) * | 2001-10-31 | 2003-02-18 | International Business Machines Corporation | High efficiency multiple input voltage sources power supply |
-
2003
- 2003-12-11 CN CNB2003101092888A patent/CN100358217C/zh not_active Expired - Lifetime
-
2004
- 2004-11-17 EP EP20040027258 patent/EP1542333A3/en not_active Withdrawn
- 2004-12-03 US US11/002,235 patent/US7332833B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4812672A (en) * | 1987-10-01 | 1989-03-14 | Northern Telecom Limited | Selective connection of power supplies |
JPH11308766A (ja) * | 1998-04-20 | 1999-11-05 | Nec Fukushima Ltd | 電源装置 |
US5945816A (en) * | 1998-04-21 | 1999-08-31 | Alcatel Network Systems, Inc. | Self-biased power isolator system |
US6462434B1 (en) * | 2000-12-15 | 2002-10-08 | Hewlett-Packard Company | Power supply isolation circuit and method |
Also Published As
Publication number | Publication date |
---|---|
US7332833B2 (en) | 2008-02-19 |
EP1542333A2 (en) | 2005-06-15 |
US20050127882A1 (en) | 2005-06-16 |
CN1627593A (zh) | 2005-06-15 |
EP1542333A3 (en) | 2006-06-14 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI ALCATEL-LUCENT CO., LTD. Free format text: FORMER NAME: BEIER AERKATE CO., LTD., SHANGHAI |
|
CP01 | Change in the name or title of a patent holder |
Address after: 201206 Pudong Jinqiao Export Processing Zone, Nanjing Road, No. 388, Shanghai Patentee after: ALCATEL-LUCENT SHANGHAI BELL Co.,Ltd. Address before: 201206 Pudong Jinqiao Export Processing Zone, Nanjing Road, No. 388, Shanghai Patentee before: Shanghai Bell Alcatel Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |
Address after: 201206 Pudong Jinqiao Export Processing Zone, Nanjing Road, No. 388, Shanghai Patentee after: NOKIA SHANGHAI BELL Co.,Ltd. Address before: 201206 Pudong Jinqiao Export Processing Zone, Nanjing Road, No. 388, Shanghai Patentee before: ALCATEL-LUCENT SHANGHAI BELL Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CX01 | Expiry of patent term |
Granted publication date: 20071226 |
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CX01 | Expiry of patent term |