CN106026359A - 双电源自动切换控制方法 - Google Patents

双电源自动切换控制方法 Download PDF

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CN106026359A
CN106026359A CN201610469988.5A CN201610469988A CN106026359A CN 106026359 A CN106026359 A CN 106026359A CN 201610469988 A CN201610469988 A CN 201610469988A CN 106026359 A CN106026359 A CN 106026359A
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power supply
chopper
microprocessor controller
circuit breaker
automatic switching
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潘炳松
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit 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
    • H02J9/06Circuit 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/30Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit 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
    • H02J9/06Circuit 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
    • H02J9/061Circuit 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 for DC powered loads
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit 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
    • H02J9/06Circuit 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
    • H02J9/068Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

本发明公开了双电源自动切换控制方法,涉及电力技术领域;当将第一电源作为常用电源,第二电源作为备用电源,电压检测模块分别检测到常用电源和备用电源都有电时,微处理控制器优先选择控制第一断路器合闸,当第一断路器合闸时,第二断路器处于分闸状态,负载由常用电源供电;当常用电源出现故障时,第一断路器的失压脱扣机构控制第一断路器跳闸,经微处理控制器的内部时钟延时后,微处理控制器控制第二断路器合闸,负载由备用电源供电。本发明可以解决当供电中断时,使计算机正处理的信息遭到破坏或丢失的问题。

Description

双电源自动切换控制方法
技术领域
本发明涉及电力技术领域;尤其是一种能在两路电源之间进行可靠切换的双电源自动切换控制方法。
背景技术
随着社会的发展,电力对各行各业的重要性越来越明显,对电能质量及供电连续性提出了更高的要求。近年来,计算机应用越来越广泛,供电的中断将使计算机的操作发生混乱,从而使正在处理的信息遭到破坏或丢失。
发明内容
本发明的目的是提供一种双电源自动切换控制方法,它可以解决当供电中断时,使计算机正处理的信息遭到破坏或丢失的问题。
为了解决上述问题,本发明采用的技术方案是:这种双电源自动切换控制方法,采用双电源自动切换系统来实现,所述双电源自动切换系统包括分别设有失压脱扣机构的第一断路器和第二断路器,所述第一断路器的进线端与第一电源连接,所述第二断路器的进线端与第二电源连接,所述第一电源和所述第二电源分别与电压检测模块的输入端连接,所述电压检测模块的输出端与数/模转换模块的输入端连接,所述数/模转换模块的输出端与微处理控制器连接,所述微处理控制器分别与所述第一断路器和所述第二断路器电连接;所述第一断路器和所述第二断路器之间设置有电气联锁和机械联锁。
其实现方法是:当将所述第一电源作为常用电源,所述第二电源作为备用电源,所述电压检测模块分别检测到所述常用电源和所述备用电源都有电时,所述微处理控制器优先选择控制第一断路器合闸,由于所述第一断路器和所述第二断路器之间设置有电气联锁和机械联锁,当所述第一断路器合闸时,所述第二断路器处于分闸状态,负载由所述常用电源供电;当所述常用电源出现故障时,所述第一断路器的所述失压脱扣机构控制所述第一断路器跳闸,经所述微处理控制器的内部时钟延时后,所述微处理控制器控制所述第二断路器合闸,负载由所述备用电源供电;当所述常用电源恢复供电时,所述微处理控制器控制所述第二断路器分闸,经所述微处理控制器的内部时钟延时后,所述微处理控制器控制所述第一断路器合闸,负载恢复由所述常用电源供电。
上述技术方案中,更为具体的方案还可以是:所述微处理控制器为单片机。
由于采用了上述技术方案,本发明与现有技术相比,具有的有益效果是:由于本发明设置有两个转换开关电器,可以由两路电源供电,当常用电源出现失压和欠压缺相时,它能将负载迅速地从常用电源自动切换到备用电源,从而确保用电的连续性和可靠性。
附图说明
图1是本发明的方框示意图。
具体实施方式
下面结合附图和实施例对本发明作进一步详述:
图1所示的双电源自动切换控制方法,包括分别设有失压脱扣机构的第一断路器QF1和第二断路器QF2,第一断路器QF1和第二断路器QF2之间设置有电气联锁和机械联锁;第一断路器QF1的进线端与第一电源连接,第二断路器QF2的进线端与第二电源连接,第一电源和第二电源分别与电压检测模块1的输入端连接,电压检测模块1的输出端与数/模转换模块2的输入端连接,数/模转换模块2的输出端与微处理控制器3连接,微处理控制器3分别与第一断路器QF1和第二断路器QF2电连接。本实施例中,微处理控制器3为单片机。正常工作中,如果将第一电源作为常用电源,第二电源作为备用电源,当电压检测模块1分别检测到常用电源和备用电源都有电时,微处理控制器3优先控制第一断路器QF1合闸,由于第一断路器QF1和第二断路器QF2之间设置有电气联锁和机械联锁,当第一断路器QF1合闸时,第二断路器QF2处于分闸状态,负载由常用电源供电;当常用电源出现故障时,例如失压或欠压,第一断路器QF1的失压脱扣机构控制第一断路器QF1跳闸,经微处理控制器3的内部时钟延时后,微处理控制器3控制第二断路器QF2合闸,负载由备用电源供电;当常用电源恢复供电时,微处理控制器3控制第二断路器QF2分闸,经微处理控制器3的内部时钟延时后,微处理控制器3控制第一断路器QF1合闸,负载恢复由常用电源供电。
反之,如果第二电源作为常用电源,第一电源作为备用电源,其工作原理与上述相同。

Claims (2)

1.一种双电源自动切换控制方法,其特征在于:采用双电源自动切换系统来实现,所述双电源自动切换系统包括分别设有失压脱扣机构的第一断路器(QF1)和第二断路器(QF2),所述第一断路器(QF1)的进线端与第一电源连接,所述第二断路器(QF2)的进线端与第二电源连接,所述第一电源和所述第二电源分别与电压检测模块(1)的输入端连接,所述电压检测模块(1)的输出端与数/模转换模块(2)的输入端连接,所述数/模转换模块(2)的输出端与微处理控制器(3)连接,所述微处理控制器(3)分别与所述第一断路器(QF1)和所述第二断路器(QF2)电连接;所述第一断路器(QF1)和所述第二断路器(QF2)之间设置有电气联锁和机械联锁;
其实现方法是:当将所述第一电源作为常用电源,所述第二电源作为备用电源,所述电压检测模块(1)分别检测到所述常用电源和所述备用电源都有电时,所述微处理控制器(3)优先选择控制第一断路器(QF1)合闸,由于所述第一断路器(QF1)和所述第二断路器(QF2)之间设置有电气联锁和机械联锁,当所述第一断路器(QF1)合闸时,所述第二断路器(QF2)处于分闸状态,负载由所述常用电源供电;当所述常用电源出现故障时,所述第一断路器(QF1)的所述失压脱扣机构控制所述第一断路器(QF1)跳闸,经所述微处理控制器(3)的内部时钟延时后,所述微处理控制器(3)控制所述第二断路器(QF2)合闸,负载由所述备用电源供电;当所述常用电源恢复供电时,所述微处理控制器(3)控制所述第二断路器(QF2)分闸,经所述微处理控制器(3)的内部时钟延时后,所述微处理控制器(3)控制所述第一断路器(QF1)合闸,负载恢复由所述常用电源供电。
2.根据权利要求1所述的双电源自动切换控制方法,其特征在于:所述微处理控制器(3)为单片机。
CN201610469988.5A 2016-06-26 2016-06-26 双电源自动切换控制方法 Pending CN106026359A (zh)

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Cited By (5)

* Cited by examiner, † Cited by third party
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CN108287491A (zh) * 2018-03-09 2018-07-17 广船国际有限公司 一种岸电联锁的装置
CN108767846A (zh) * 2018-04-27 2018-11-06 天津市百利电气有限公司 双电源转换装置
CN109859968A (zh) * 2019-04-15 2019-06-07 哈尔滨朗昇电气股份有限公司 双电源切换执行器及安装方法
CN110775799A (zh) * 2019-09-19 2020-02-11 日立电梯(广州)自动扶梯有限公司 扶梯或人行道控制系统、方法及装置
CN112078366A (zh) * 2019-06-12 2020-12-15 广州汽车集团股份有限公司 一种电动车辆双电源控制系统及电动车辆

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CN108287491A (zh) * 2018-03-09 2018-07-17 广船国际有限公司 一种岸电联锁的装置
CN108287491B (zh) * 2018-03-09 2023-09-26 广船国际有限公司 一种岸电联锁的装置
CN108767846A (zh) * 2018-04-27 2018-11-06 天津市百利电气有限公司 双电源转换装置
CN109859968A (zh) * 2019-04-15 2019-06-07 哈尔滨朗昇电气股份有限公司 双电源切换执行器及安装方法
CN112078366A (zh) * 2019-06-12 2020-12-15 广州汽车集团股份有限公司 一种电动车辆双电源控制系统及电动车辆
CN112078366B (zh) * 2019-06-12 2022-01-21 广州汽车集团股份有限公司 一种电动车辆双电源控制系统及电动车辆
CN110775799A (zh) * 2019-09-19 2020-02-11 日立电梯(广州)自动扶梯有限公司 扶梯或人行道控制系统、方法及装置

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Application publication date: 20161012