CN111725805A - 一种物联网直流断路器节能装置 - Google Patents

一种物联网直流断路器节能装置 Download PDF

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CN111725805A
CN111725805A CN202010622806.XA CN202010622806A CN111725805A CN 111725805 A CN111725805 A CN 111725805A CN 202010622806 A CN202010622806 A CN 202010622806A CN 111725805 A CN111725805 A CN 111725805A
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power supply
internet
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direct current
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刘长春
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Uccc Suzhou Co ltd
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    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
    • 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
    • H02J13/00—Circuit 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
    • H02J13/00002—Circuit 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 characterised by monitoring
    • 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
    • H02J13/00—Circuit 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
    • H02J13/00006—Circuit 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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit 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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • 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
    • H02J13/00—Circuit 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
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • 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
    • H02J9/061—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 for DC powered loads
    • 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
    • Y02B70/30—Systems 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
    • 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
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/248—UPS systems or standby or emergency generators

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

本发明涉及一种物联网直流断路器节能装置，其特征在于，包括通过电连接的交流电源、交流配电单元、整流模块、监控模块、蓄电池、断路器、通信设备。本发明提供的物联网直流断路器节能装置，能够接入用电云平台，通过平台设置或者设备MCU设定智能定时关断和接通通信设备；通过计量功能，对于不同运营商能够实现分表计量；通过直流触头系统，对于直流电有较大电弧的特性，能够有效地熄灭电弧，保证空气断路器的安全。

Description

一种物联网直流断路器节能装置
技术领域
本发明涉及断路器技术领域，更具体地说，涉及一种物联网直流断路器节能装置。
背景技术
基站供电系统一般由以下几部分构成：交流供电系统，直流供电系统和48V通信设备。由于5G基站的通信距离只有几百米，天线的功率是4G的数倍，5G基站在硬件设备投入到位后，电能就是最大的消耗。由于业务存在明显的潮汐效应，忙闲不同时段话务相差4倍，主设备能耗并没有随着业务的变化而动态调整，能源存在极大的浪费。传统的直流下电空开没有物联网功能，不能实现远程操作和定时智能关断功能，无法避免基站电能的浪费。
因此，现有技术亟待有很大的进步。
发明内容
本发明要解决的技术问题在于，针对现有技术的上述的缺陷，提供一种物联网直流断路器节能装置，包括通过电连接的交流电源、交流配电单元、整流模块、监控模块、蓄电池、断路器、通信设备。
在本发明所述的物联网直流断路器节能装置中，所述交流电源提供一路市电电源，一路油机电源，一路浪涌保护器；所述交流电源设有双电源开关，所述双电源开关实现市电和油机电的转换。
在本发明所述的物联网直流断路器节能装置中，所述交流配电单元设有总开关，所述交流电源输入到所述交流配电单元总开关，所述交流配电单元总开关将所述交流电源分配到第一高频组合电源，第二高频组合电源、空调、照明系统、插座。
在本发明所述的物联网直流断路器节能装置中，所述整流模块作为AAU/RRU的直接工作电源。
在本发明所述的物联网直流断路器节能装置中，所述蓄电池作为所述通信设备的后备工作电源。
在本发明所述的物联网直流断路器节能装置中，所述监控模块用于监控所述装置的工作状态。
在本发明所述的物联网直流断路器节能装置中，所述第一高频组合电源或者第二高频组合电源作为所述整流模块的输入。
在本发明所述的物联网直流断路器节能装置中，所述整流模块输出48伏电压，为AAU/RRU提供工作电源。
实施本发明的物联网直流断路器节能装置，具有以下有益效果：能够接入用电云平台，通过平台设置或者设备MCU设定智能定时关断和接通通信设备；通过计量功能，对于不同运营商能够实现分表计量；通过直流触头系统，对于直流电有较大电弧的特性，有效地熄灭电弧，保证空气断路器的安全。
附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明物联网直流断路器节能装置结构示意图。
具体实施方式
请参阅图1，为本发明物联网直流断路器节能装置结构示意图。如图1所示，在本发明第一实施例提供的物联网直流断路器节能装置中，至少包括，通过电连接的交流电源、交流配电单元、整流模块、监控模块、蓄电池、断路器、通信设备。
交流电源工作原理是：交流电源提供一路市电电源，一路油机电源，一路浪涌保护器。交流电源配置一个双电源开关，双电源开关用于实现市电和油机电的转换。交流电源配有箱体，双电源开关安装于交流电源箱体内。
交流配电单元工作原理是：交流配电单元设有总开关，交流电源输入到交流配电单元总开关。交流配电单元总开关用于分配电源。交流配电单元总开关将电源分配到第一高频组合电源，第二高频组合电源，空调，照明系统，插座等等。
整流模块工作原理是：整流模块作为AAU/RRU的直接工作电源，第一高频组合电源或者第二高频组合电源作为整流模块的输入，整流模块输出48伏电压，为AAU/RRU等通信设备提供工作电源。
蓄电池作为通信设备的后备工作电源，当市电停电时，由蓄电池替代整流模块提供通信设备的工作电源。
蓄电池保护工作原理是：蓄电池是铅酸电池，不能过充电，也不能过放电，蓄电池保护根据充电电流的大小决定什么时候停止充电，根据蓄电池的的电压决定什么时候均充，什么时候浮充。
监控模块工作原理是：监控模块用于监控所述装置的工作状态。所述装置的工作状态有：交流电源市电的电压状况，电流大小，油机电的启停状态，交流配电单元的开关状态，蓄电池的电压状况等。
TY-610空气断路器又叫智慧空开，TY-610智能空开是针对物联网技术的智慧用电保护及控制而开发的一款智慧微型保护装置，它具有电流、电压、剩余电流、线缆温度测量及电能、功率、功率因数等计量功能，同时具有剩余电流保护、过欠压保护、短路保护、过载保护、自动重合闸及远程控制功能。该系列产品具有体积小、高分断、防雷等级高、动作可靠、性能稳定等特点，设备支持NB及4G通讯，可实现“遥信”、“遥测”、“遥控”、“遥调”双向通信，同时支持电表费用充值功能。
断路器可以选择TY610空气断路器。TY610空气断路器用于通信负荷分路的工作原理是：TY610空气断路器内置无线通信模块，采用NB或者4G的通信方式，采用MQTT协议，TCP透传方式接入到统一通信智慧用电云平台。根据5G基站用电的潮汐效应，同过后台设置定时接通和关断的时间，实现基站用电的节能。
每个运营商每套设备TY610空气断路器内内置计时芯片，时钟晶振，电池，通过平台对时，设备能准确反映北京时间，产品内置霍尔电流传感器，实时反映通信设备的运行电流，直流电能＝电流*电压*时长，这样可以实时反映不同用户的用电量，对不同运营商实施分表计量。TY610空气断路器还设有直流触头系统，直流触头系统对于直流电有较大电弧的特性。
本发明物联网直流断路器节能装置对线路、用电或通信设备提供选择性保护和选择性自恢复，因此，通过本智能型电源保护器产品可以实现远程监测和控制电路，无需另外配置专业人员；通过多种模式扩展，可实现多环境、多领域的运用，从而可以对用电线路提供安全可靠、快速有效的保护，并最大限度的防止电气火灾的发生。该产品适用于各种复杂的环境，尤其是通信领域中的无人值守、集中控制、不便操作及网络监控等应用场合。
根据5G的应用场景，夜间12点到凌晨5点，这段时间业务量较小，5G应用更少，几乎没有，这个时段，基站如果能够自动降为4G应用，则能够节约大量电能。通过采用本发明物联网直流断路器节能装置则可以实现夜间12点到凌晨5点时段，基站自动降为4G应用。
表1华为5G AAU节能率
Figure BDA0002563625910000041
Figure BDA0002563625910000051
表2中兴和华为5G 4GAAU/RRU平均功耗(W)、BBU平均功耗(W)、AAU/RRU平均功耗(W)、BBU平均功耗(W)
Figure BDA0002563625910000052
表3中兴4/5G能耗对比
业务负荷 中兴4G(S333) 中兴5G(S111) 华为5G(S111) 中兴4/5G能耗对比
100％ 1044.72W 3674.85W 3852.5W 5G约是4G的3.5倍
请参考表1～表3，可见，关断5G网络层能产生经济效益。通过安装本发明物联网直流断路器节能装置，按照100％负载计算通过每日0：00～5：00的定时关断，对于5G的RRU(3个)，按照平均电费1.00元计算，年节约电费约：6994.9元。
可见，本发明通过以上实施例的设计，其有益效果：能够接入用电云平台，通过平台设置或者设备MCU设定智能定时关断和接通通信设备；通过计量功能，对于不同运营商能够实现分表计量；通过直流触头系统，对于直流电有较大电弧的特性，能够有效地熄灭电弧，保证空气断路器的安全。
本发明是根据特定实施例进行描述的，但本领域的技术人员应明白在不脱离本发明范围时，可进行各种变化和等同替换。此外，为适应本发明技术的特定场合，可对本发明进行诸多修改而不脱离其保护范围。因此，本发明并不限于在此公开的特定实施例，而包括所有落入到权利要求保护范围的实施例。

Claims (8)

1.一种物联网直流断路器节能装置，其特征在于，包括通过电连接的交流电源、交流配电单元、整流模块、监控模块、蓄电池、断路器、通信设备。
2.根据权利要求1所述的物联网直流断路器节能装置，其特征在于，所述交流电源提供一路市电电源，一路油机电源，一路浪涌保护器；所述交流电源设有双电源开关，所述双电源开关实现市电和油机电的转换。
3.根据权利要求1所述的物联网直流断路器节能装置，其特征在于，所述交流配电单元设有总开关，所述交流电源输入到所述交流配电单元总开关，所述交流配电单元总开关将所述交流电源分配到第一高频组合电源，第二高频组合电源、空调、照明系统、插座。
4.根据权利要求1所述的物联网直流断路器节能装置，其特征在于，所述整流模块作为AAU/RRU的直接工作电源。
5.根据权利要求1所述的物联网直流断路器节能装置，其特征在于，所述蓄电池作为所述通信设备的后备工作电源。
6.根据权利要求1所述的物联网直流断路器节能装置，其特征在于，所述监控模块用于监控所述装置的的工作状态。
7.根据权利要求3所述的物联网直流断路器节能装置，其特征在于，所述第一高频组合电源或者第二高频组合电源作为所述整流模块的输入。
8.根据权利要求4所述的物联网直流断路器节能装置，其特征在于，所述整流模块输出48伏电压，为AAU/RRU提供工作电源。
CN202010622806.XA 2020-06-30 2020-06-30 一种物联网直流断路器节能装置 Pending CN111725805A (zh)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114039343A (zh) * 2021-11-29 2022-02-11 嘉兴华炳物联网科技有限公司 一种基于NB-IoT通信网络的基站电源控制系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114039343A (zh) * 2021-11-29 2022-02-11 嘉兴华炳物联网科技有限公司 一种基于NB-IoT通信网络的基站电源控制系统

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