CN109149767A - 一种基站用电判别和电能管理系统及方法 - Google Patents

一种基站用电判别和电能管理系统及方法 Download PDF

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CN109149767A
CN109149767A CN201811039513.8A CN201811039513A CN109149767A CN 109149767 A CN109149767 A CN 109149767A CN 201811039513 A CN201811039513 A CN 201811039513A CN 109149767 A CN109149767 A CN 109149767A
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base station
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circuit
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练马林
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CHENGDU HOP ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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CHENGDU HOP ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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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
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/0006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks
    • H02J13/0013Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0017Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0062Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit using a data transmission bus
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/0006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks
    • H02J13/0013Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0017Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0075Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit using radio means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46Controlling of the sharing of output between the generators, converters, or transformers
    • 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
    • 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
    • H02J9/062Circuit 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 AC powered loads
    • 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
    • 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
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7853
    • 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • 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
    • Y04S20/12Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • 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
    • Y04S20/248UPS systems or standby or emergency generators
    • 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
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

本发明公开了一种基站用电判别和电能管理系统及方法。本发明通过设置一个基站专用智能电表,该智能电表能够同时检测市电回路的有电/停电状态信号、交流输入回路的电量以及蓄电池组的输出直流电压信号,且基于上述检测信号来判断基站供电来源,并准确进行基站用电电能管理。本发明在基站中安装该智能电表,既能够分别计量市电回路和发电机回路的电量,且能实时判断基站供电输入,统计各种供电输入的供电时长,分析电能使用占比,智能电表通过告警单元能够实时进行动力告警:包括市电停电告警、蓄电池组电压过低告警等;此外,还能完成基站电费、发电机发电费用的管理和稽核,避免人为虚假操作。

Description

一种基站用电判别和电能管理系统及方法
技术领域
本发明涉及基站用电管理领域,具体涉及一种基站用电判别和电能管理系统及方法。
背景技术
现有的基站供电系统中,基站用电不明确,存在以下缺陷:
1、电力局乡镇收费员随意估计电表读数,实际收取远超真实用电量的大量电费;
2、基站机房所属业主的偷电现象;
3、部分基站代维护人员现场抄表,代收付电费时,产生多付现象,甚至与业务相互协商,共同虚报电费;
4、基站发电机发电数据不准确,多报虚报油费。
上述缺陷均严重导致基站虚报多报电费油费,导致基站维护管理困难。
发明内容
本发明为了解决现有基站虚报电费、基站维护人员虚报多报发电机发电油费等技术问题,本发明提供了一种基站用电判别和电能管理系统及方法,能够准确、实时判断基站供电来源,且采用一个智能电表计量一个回路,就能分别计量市电回路和发电机回路的电量;本发明通过设置一个基站专用智能电表,该智能电表能够同时检测市电回路的有电/停电状态信号、交流输入回路的电量以及蓄电池组的输出直流电压信号,且基于上述检测信号来判断基站供电来源,并准确进行基站用电电能管理。
本发明通过下述技术方案实现:
一种基站用电判别和电能管理系统,包括基站智能电表;其中,基站外部电源输入包括市电回路和发电机回路,这两个回路通过一个互锁开关,选择其中的一个输入作为基站交流输入回路;在基站中安装基站智能电表,所述基站智能电表用于检测基站交流输入回路的电量;所述基站智能电表通过市电检测装置对市电回路有电/断电的状态进行检测;所述基站智能电表检测基站供电用电池组的输出直流电压;所述基站智能电表根据上述检测到的信号,实时对基站进行用电判别和电能监控。
优选的,所述基站智能电表包括CPU处理器、电能计量电路、A/D采样电路、直流电压检测电路和市电检测装置;所述CPU处理器通过A/D采样电路与市电检测装置连接,所述市电检测装置用于检测市电回路的电流和电压;所述CPU处理器通过A/D采样电路与直流电压检测电路连接,所述直流电压检测电路用于检测电池组输出直流电压;所述CPU处理器与电能计量电路连接,所述电能计量电路用于检测交流输入回路的电量。
优选的,所述基站智能电表还包括远程通信接口,所述基站智能电表通过远程通信接口能够对基站进行远程监控。
优选的,所述远程通信接口采用RS48、以太网接口、NB_IoT无线通信接口、TD_LTE无线通信接口或FDD_LTE通信接口。
优选的,所述基站智能电表还包括显示/按键控制模块以及告警模块;所述显示模块用于实时显示电信号,所述按键控制模块进行控制操作,所述告警模块进行电池组电压过低告警以及市电回路停电告警。
另一方面,本发明还提出了一种基站用电判别和电能管理方法,该方法包括以下步骤:
步骤一、基站外部电源输入包括市电回路和发电机回路,这两个回路通过一个互锁开关,选择其中的一个输入作为基站交流输入回路;
步骤二、在基站中安装基站智能电表,该基站智能电表用于检测基站交流输入回路的电量,该基站智能电表通过市电检测装置对市电回路有电/断电的状态进行检测,且该基站智能电表检测基站供电用电池组的输出直流电压;
步骤三、所述基站智能电表根据步骤二检测到的信号,实时对基站进行用电判别和电能监控。
优选的,所述步骤三中实时对基站进行用电判别具体包括:
步骤3.1,所述基站智能电表检测到电池组输出直流电压不降,同时检测到基站交流输入回路的电流为零,则判断基站为新能源供电回路供电;
步骤3.2,所述基站智能电表检测到电池组输出直流电压下降,同时检测到基站交流输入回路的电流为零,则判断基站为电池组供电;
步骤3.3,所述基站智能电表检测到电池组输出直流电压不降,同时检测到基站交流输入回路的电流不为零且市电检测装置反馈到基站智能电表的信号为市电回路无电流,则判断基站为发电机回路供电;
步骤3.4,所述基站智能电表检测到电池组输出直流电压不降,同时检测到基站交流输入回路的电流不为零且市电检测装置反馈到基站智能电表的信号为市电回路有电流,则判断基站为市电回路供电。
优选的,所述步骤三中实时对基站进行电能监控具体包括:
步骤4.1,所述市电检测装置反馈到基站智能电表的信号为市电回路有电流时间段内,所述基站智能电表将交流输入回路的电量计量为市电回路的电量;
步骤4.2,所述市电检测装置反馈到基站智能电表的信号为市电回路无电流时间段内,所述基站智能电表将交流输入回路的电量计量为发电机回路的电量。
优选的,所述基站智能电表通过远程通信接口对基站进行远程监控;所述市电检测装置采用电磁感应电路或三相交流直接接入检测电路,检测市电的电流和电压。
优选的,所述基站智能电表能够对电池组输出直流电压过低进行告警,以及对市电回路停电进行告警。
本发明具有如下的优点和有益效果:
1、本发明使用无线通信模块完成数据传输,组网方便灵活,且便于对基站用电进行远程实时监控;
2、本发明使用一个电表,完成市电回路和发电机回路两路输入电能监控和测量;且安装一个智能电表,既能够分别计量市电回路和发电机回路的电量,且能实时判断基站供电输入,统计各种供电输入的供电时长,分析电能使用占比,智能电表通过告警单元能够实时进行动力告警:包括市电停电告警、蓄电池组电压过低告警等;此外,还能完成基站电费、发电机发电费用的管理和稽核,避免人为虚假操作。
附图说明
此处所说明的附图用来提供对本发明实施例的进一步理解,构成本申请的一部分,并不构成对本发明实施例的限定。在附图中:
图1为本发明的管理系统示意图。
图2为本发明的智能电表原理框图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白,下面结合实施例和附图,对本发明作进一步的详细说明,本发明的示意性实施方式及其说明仅用于解释本发明,并不作为对本发明的限定。
实施例1
本实施例提供了一种基站用电判别和电能管理系统,包括基站智能电表4;
如图1所示,所述基站的外部电源输入有市电回路1、发电机回路2,以及新能源供电回路8;所述市电回路1和发电机回路通过一个互锁开关,选择其中的一个输入作为基站交流输入回路3,所述基站交流回路3通过开关电源空气开关经开关电源、直流配电单元为直流负载进行直流供电;所述基站交流回路3通过空调空气开关直接为基站空调进行交流供电;所述基站交流回路3还通过其他空气开关进行供电;所述新能源供电回路8为太阳能光伏矩阵或风力发电机组通过风光互补控制器控制进行光伏供电或风力供电;且开关电源和风光互补控制器均与蓄电池组7进行连接,电池组7的输出直流电压通过直流配电单元为直流负载进行供电。
如图2所示,所述基站智能电表4安装在基站中,所述基站智能电表4包括CPU处理器、电能计量电路、A/D采样电路、直流电压检测电路和市电检测装置;所述CPU处理器通过A/D采样电路与市电检测装置连接,所述基站智能电表4通过市电检测装置对市电回路有电/断电的状态进行检测;本实施例中,所述市电检测装置采用电磁感应电路,该电磁感应电路包括霍尔感应电路和交流互感电路,所述霍尔感应电路用来检测市电的电压,所述交流互感电路用于检测市电的电流;在另一实施例中,所述市电检测装置也可采用三相交流直接接入检测电路,来检测市电的电流和电压。所述CPU处理器通过A/D采样电路与直流电压检测电路连接,所述直流电压检测电路用于检测电池组输出直流电压;本实施例中,所述直流电压检测电路采用电压比较电路或电阻分压电路进行检测;所述CPU处理器与电能计量电路连接,所述电能计量电路用于检测交流输入回路3的电量。
本实施例中,所述智能电表4还包括远程通信接口,所述远程通信接口可采用RS48接口、以太网接口、NB_IoT无线通信接口、TD_LTE无线通信接口或FDD_LTE通信接口,所述智能电表4能够通过远程通信接口实现远程数据传输,组网方便灵活;且能够通过远程通信接口实现对基站的远程实时监控。
本实施例中,所述智能电表4还包括显示/按键控制模块,所述显示模块,能够对采集的电信号进行显示;所述按键控制模块能够进行控制操作。
本实施例中,所述智能电表4还包括告警模块,用于对电池组7输出直流电压过低进行告警,对市电回路1停电进行告警等。
所述基站智能电表4能够对市电回路1和发电机回路2的电能进行分别计量:所述基站智能电表通过对交流输入回路的电量计量,能够实现分别计量市电回路1和发电机回路2的三相电流,三相电压,三相有功功率(正向,反向),三相无功功率(正向,反向),三相功率因素,三相有功电量(正向,反向,组合),三相无功电量(正向,反向,组合)。市电回路1停电时,所有上述指标记录为发电机回路2;市电回路1有电时,上述指标记录为市电回路1。
所述基站智能电表4能够对基站供电输入判断,统计各种供电时长,分析电能使用占比:
1、交流输入回路3电流为零,电池组7电压不下降,判断为新能源回路8供电,并记录供电起止时间和供电时长。
2、交流输入回路3电流为零,电池组7电压下降,判读为电池组7供电,并记录供电起止时间和供电时长。
3、交流输入回路3电流大于0A,市电检测装置检测市电回路1有电流,判断为市电回路1供电,并记录供电起止时间和供电时长。
4、交流输入回路3电流大于0A,市电检测装置检测市电回路1无电流,判断为发电机回路2供电,并记录供电起止时间和供电时长。
所述基站智能电表4能够进行动力告警:
1、市电停电告警。
2、蓄电池电压过低告警。
3、基站发电机发电工单派单提醒。
实施例2
基于上述实施例1,本实施例2提出了一种基站用电判别和电能管理方法,该方法包括以下步骤:
(A)基站外部电源输入有市电回路1和发电机回路2,这两个回路通过一个互锁开关,选择其中的一个输入作为基站交流输入回路3。
(B)在基站安装智能电表4,该智能电表测试基站交流输入回路3电量。
(C)在基站市电回路1位置安装市电检测装置,检测基站市电回路的电压和电流,检测状态信号输入到基站智能电表4。
(D)在基站电池组7输出到直流负载的位置,通过电缆6连接到智能电表4,测量电池组7直流电压。
(E)智能电表4根据上述检测信号对基站供电来源进行判断,并对电量进行计量;
其中,所述智能电表4根据检测信号判断基站供电来自于新能源供电回路8供电(太阳能发电输入或风力发电输入)、电池组7供电、发电机回路2供电或市电回路1供电。
该具体判断过程如下:
(E1)智能电表4通过电缆6检测到电池组7直流电压不降,同时测试基站交流输入回路3的电流为零,判断基站为新能源供电回路8供电(太阳能发电输入或风力发电输入)。
(E2)智能电表4通过电缆6检测到电池组7直流电压下降,同时测试基站交流输入回路3的电流为零,判断基站为电池组7供电。
(E3)智能电表4通过电缆6检测到电池组7直流电压不降,同时测试基站交流输入回路3的电流不为零,市电检测装置反馈到智能电表4的信号为市电回路1无电流,判断基站为发电机回路2供电。
(E4)智能电表4通过电缆6检测到电池组直流电压不降,同时测试基站交流输入回路3的电流不为零,市电检测装置反馈到智能电表4的信号为市电回路1有电流,判断基站为市电回路1供电。
所述智能电表4通过对交流输入回路3的电量计量,可分别计量市电回路1和发电机回路2的电量,具体计量过程如下:
(E11)市电检测装置反馈到智能电表4的信号为市电回路1有电流这段时间内,智能电表4可将交流输入回路3的电量计量为市电回路1的电量。
(E12)市电检测装置反馈到智能电表4的信号为市电回路1无电流这段时间内,智能电表4可将交流输入回路3的电量计量为发电机回路2的电量。
所述基站专用智能电表远程通信接口可支持RS48、以太网接口、NB_IoT无线通信接口、TD_LTE无线通信接口或FDD_LTE通信接口。
所述基站专用智能电表的市电检测装置可采用电磁感应电路,该电磁感应电路包括霍尔感应电路和交流互感电路,所述霍尔感应电路用于检测市电的电压,所述交流互感电路用于检测市电的电流;在另一实施例中,所述市电检测装置也可采用三相交流直接接入检测电路,来检测市电的电流和电压。
所述基站专用智能电表采用电压比较电路或电阻分压电路来检测电池组直流电压。
所述基站专用智能电表能够产生电池组7直流电压过低告警,市电回路1停电告警等。
以上所述的具体实施方式,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施方式而已,并不用于限定本发明的保护范围,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (10)

1.一种基站用电判别和电能管理系统,其特征在于,包括基站智能电表;其中,基站外部电源输入包括市电回路和发电机回路,这两个回路通过一个互锁开关,选择其中的一个输入作为基站交流输入回路;在基站中安装基站智能电表,所述基站智能电表用于检测基站交流输入回路的电量;所述基站智能电表通过市电检测装置对市电回路有电/断电的状态进行检测;所述基站智能电表检测基站供电用电池组的输出直流电压;所述基站智能电表根据上述检测到的信号,实时对基站进行用电判别和电能监控。
2.根据权利要求1所述的一种基站用电判别和电能管理系统,其特征在于,所述基站智能电表包括CPU处理器、电能计量电路、A/D采样电路、直流电压检测电路和市电检测装置;所述CPU处理器通过A/D采样电路与市电检测装置连接,所述市电检测装置用于检测市电回路的电流和电压;所述CPU处理器通过A/D采样电路与直流电压检测电路连接,所述直流电压检测电路用于检测电池组输出直流电压;所述CPU处理器与电能计量电路连接,所述电能计量电路用于检测交流输入回路的电量。
3.根据权利要求2所述的一种基站用电判别和电能管理系统,其特征在于,所述基站智能电表还包括远程通信接口,所述基站智能电表通过远程通信接口能够对基站进行远程监控。
4.根据权利要求3所述的一种基站用电判别和电能管理系统,其特征在于,所述远程通信接口采用RS48、以太网接口、NB_IoT无线通信接口、TD_LTE无线通信接口或FDD_LTE通信接口。
5.根据权利要求2所述的一种基站用电判别和电能管理系统,其特征在于,所述基站智能电表还包括显示/按键控制模块以及告警模块;所述显示模块用于实时显示电信号,所述按键控制模块进行控制操作,所述告警模块进行电池组电压过低告警以及市电回路停电告警。
6.一种基站用电判别和电能管理方法,其特征在于,该方法包括以下步骤:
步骤一、基站外部电源输入包括市电回路和发电机回路,这两个回路通过一个互锁开关,选择其中的一个输入作为基站交流输入回路;
步骤二、在基站中安装基站智能电表,该基站智能电表用于检测基站交流输入回路的电量,该基站智能电表通过市电检测装置对市电回路有电/断电的状态进行检测,且该基站智能电表检测基站供电用电池组的输出直流电压;
步骤三、所述基站智能电表根据步骤二检测到的信号,实时对基站进行用电判别和电能监控。
7.根据权利要求6所述的一种基站用电判别和电能管理方法,其特征在于,所述步骤三中实时对基站进行用电判别具体包括:
步骤3.1,所述基站智能电表检测到电池组输出直流电压不降,同时检测到基站交流输入回路的电流为零,则判断基站为新能源供电回路供电;
步骤3.2,所述基站智能电表检测到电池组输出直流电压下降,同时检测到基站交流输入回路的电流为零,则判断基站为电池组供电;
步骤3.3,所述基站智能电表检测到电池组输出直流电压不降,同时检测到基站交流输入回路的电流不为零且市电检测装置反馈到基站智能电表的信号为市电回路无电流,则判断基站为发电机回路供电;
步骤3.4,所述基站智能电表检测到电池组输出直流电压不降,同时检测到基站交流输入回路的电流不为零且市电检测装置反馈到基站智能电表的信号为市电回路有电流,则判断基站为市电回路供电。
8.根据权利要求6所述的一种基站用电判别和电能管理方法,其特征在于,所述步骤三中实时对基站进行电能监控具体包括:
步骤4.1,所述市电检测装置反馈到基站智能电表的信号为市电回路有电流时间段内,所述基站智能电表将交流输入回路的电量计量为市电回路的电量;
步骤4.2,所述市电检测装置反馈到基站智能电表的信号为市电回路无电流时间段内,所述基站智能电表将交流输入回路的电量计量为发电机回路的电量。
9.根据权利要求6所述的一种基站用电判别和电能管理方法,其特征在于,所述基站智能电表通过远程通信接口对基站进行远程监控;所述市电检测装置采用电磁感应电路或三相交流直接接入检测电路,检测市电的电流和电压。
10.根据权利要求6所述的一种基站用电判别和电能管理方法,其特征在于,所述基站智能电表能够对电池组输出直流电压过低进行告警,以及对市电回路停电进行告警。
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