WO2023273861A1 - 一种备电方法以及相关设备 - Google Patents

一种备电方法以及相关设备 Download PDF

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Publication number
WO2023273861A1
WO2023273861A1 PCT/CN2022/098530 CN2022098530W WO2023273861A1 WO 2023273861 A1 WO2023273861 A1 WO 2023273861A1 CN 2022098530 W CN2022098530 W CN 2022098530W WO 2023273861 A1 WO2023273861 A1 WO 2023273861A1
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WO
WIPO (PCT)
Prior art keywords
power
battery
historical
station
site
Prior art date
Application number
PCT/CN2022/098530
Other languages
English (en)
French (fr)
Inventor
万云冬
姚国强
王豪
Original Assignee
华为技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP22831681.6A priority Critical patent/EP4350927A1/en
Publication of WO2023273861A1 publication Critical patent/WO2023273861A1/zh
Priority to US18/400,703 priority patent/US20240235194A9/en

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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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • 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
    • H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • H02J13/00016—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 a wired telecommunication network or a data transmission bus
    • H02J13/00017—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 a wired telecommunication network or a data transmission bus using optical fiber
    • 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
    • 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
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
    • H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • 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
    • 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
    • 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

Definitions

  • the embodiments of the present application relate to the field of power backup, and in particular, to a power backup method and related equipment.
  • the backup power duration of the site is specified. In the event of a power outage, it is necessary to ensure that the battery power supply for the site is not less than the backup power duration.
  • the backup time is related to the duration of the site power outage. Generally speaking, the time of the site power outage will be controlled within the backup time.
  • the power consumption of the site equipment increases.
  • the increased power consumption of the site will shorten the duration of the battery power supply for the site, resulting in the battery power supply duration being shorter than the backup power duration. If the power of the battery is exhausted before the power supply is restored, the station will be disconnected.
  • the site takes corresponding energy-saving measures to extend the time that the battery supplies power to the site by reducing the power consumption of the site, thereby reducing the occurrence of site outages probability.
  • the embodiment of the present application provides a power backup method and related equipment, which are used to perform precise power backup control for services of different importance levels.
  • the first aspect of the embodiment of the present application provides a power backup method, the method is applied to control equipment, and the method includes:
  • the control device calculates the battery capacity of the battery according to the historical power failure alarm information and historical power consumption information of the site where the battery is located; Time and battery capacity, calculate the remaining power (state of charge, SOC) of the battery; if the control device determines that the energy-saving level of the battery changes according to the remaining power, it will send the current target energy-saving level of the battery to the site, so that the site adopts the target energy-saving level.
  • the power saving strategy corresponding to the level reduces the power consumption of the site.
  • the control device determines the battery capacity of the storage battery through the historical power failure warning information and historical power consumption information of the site;
  • the base station reduces device power consumption. According to the actual remaining power supply capacity (remaining power) of the battery, part of the power consumption of the site can be reduced in a timely manner, thereby effectively extending the backup time of the battery for the site.
  • the capacity of the site is expanded, using this method, under the same battery configuration conditions, the power consumption of the site is gradually reduced according to the energy-saving level of the battery, and the power consumption is reduced, which also reduces the capacity requirement of the battery.
  • the existing batteries can meet the requirements of the backup time, and there is no need to add batteries to meet the backup time, saving investment in backup power; or, if additional batteries are required, the capacity of the batteries is reduced Requirements, can reduce the size of the capacity of the additional storage battery, saving investment in backup power.
  • the control device can determine the power consumed by the site when the site is powered off, so as to determine the power provided by the battery for the site, and also determine the capacity of the battery size.
  • the energy-saving level of the battery in addition to determining the energy-saving level of the battery according to the remaining power, can also be determined according to the remaining backup time determined by the remaining power, so as to send the target energy-saving level to the site.
  • the control device can calculate the remaining backup time for the storage battery to supply power for the station according to the remaining power and the current power consumption of the station. If the control device determines that the energy-saving level of the battery has changed according to the remaining backup time, the control device can send the current target energy-saving level of the battery to the site, so that the site adopts a power-saving strategy corresponding to the target energy-saving level to reduce the power consumption of the site consumption.
  • control device may also calculate the battery capacity of the storage battery according to the historical outage warning information of the station. Specifically, in this method, the control device can calculate the battery capacity of the storage battery according to the historical power failure warning information and historical power consumption information, as well as the historical station interruption warning information of the station.
  • the historical outage alarm information may indicate one or more power outages in which the battery power is exhausted.
  • the historical station outage alarm information it is possible to determine the duration of the battery powering the station during a power outage, and then combine the historical power consumption information at that time to calculate the amount of power consumed by the station. provided by the battery, so the capacity of the battery can be determined. Since the power supply duration indicated by the historical outage alarm information corresponds to the duration information when the battery power is exhausted, it can accurately reflect the battery capacity, and the battery capacity calculated according to the historical outage alarm information is more accurate.
  • the maximum power supply duration may be determined through historical power failure warning information, so as to calculate the battery capacity of the storage battery.
  • the control device can determine the maximum power supply duration for the storage battery to supply power to the station according to the historical power failure warning information; and then calculate the battery capacity of the storage battery according to the capacity calculation formula.
  • the capacity calculation formula the battery capacity is positively correlated with the maximum power supply duration, and is positively correlated with the power consumption corresponding to the maximum power supply duration; or, in the capacity calculation formula: the battery capacity is positively correlated with the maximum power supply duration, and It is positively correlated with the current corresponding to the maximum power supply duration.
  • the historical power failure warning information and the historical power consumption information reflect the historical information that the storage battery supplies power to the power station, and can accurately reflect the actual capacity of the storage battery. Therefore, the actual capacity of the storage battery calculated according to the historical power failure warning information and the historical power consumption information is accurate. According to the accurate calculation result of the actual capacity of the battery, it is possible to determine the appropriate time to reduce the power consumption of the site and effectively prolong the backup time of the battery for the site.
  • the maximum power supply duration can be determined according to the historical outage warning information, so as to calculate the battery capacity of the storage battery.
  • the control device can determine the maximum power supply duration for the battery to supply power to the station according to the historical power outage alarm information and the historical station outage alarm information; and then calculate the battery capacity of the battery according to the capacity calculation formula.
  • the capacity calculation formula the battery capacity is positively correlated with the maximum power supply duration, and is positively correlated with the power consumption corresponding to the maximum power supply duration; or, in the capacity calculation formula: the battery capacity is positively correlated with the maximum power supply duration, and It is positively correlated with the current corresponding to the maximum power supply duration.
  • the corresponding maximum power supply duration when the battery power is exhausted can be known.
  • the maximum power supply duration corresponds to the depletion of battery power and reflects the storage capacity of the battery. , it can accurately reflect the battery capacity of the battery.
  • the TV capacity calculated according to the maximum power supply duration is more accurate.
  • multiple energy-saving levels may be set: different energy-saving levels are set according to the remaining power SOC of the storage battery. For example, two energy-saving levels can be set, with 50% of the remaining power as the dividing line. When the remaining power is greater than 50%, the energy saving level is a high power consumption level, and when the remaining power is less than 50%, it is a low power consumption level.
  • the boundary conditions of the energy saving level can be adjusted according to requirements.
  • different power saving policies may be set for the site for different power saving levels, so that different power saving levels correspond to different power consumption levels. For example, the smaller the remaining power corresponding to the energy saving level, the lower the power consumption level corresponding to the corresponding power saving policy.
  • different power-saving policies can be set for 2G, 3G, 4G, and 5G devices, such as: no action for reducing power consumption, lower transmission power, symbol off, carrier off, etc.
  • the set power saving policy may be adjusted for different energy saving levels.
  • measures such as reducing transmit power, turning off symbols, and turning off carriers are adopted. Reduce the energy consumption of the battery by the equipment in the site, so that the battery can provide a longer backup time for the base station, reducing the probability of the base station being disconnected.
  • the remaining power of the battery may also be calculated in consideration of the aging of the battery.
  • the control device can calculate the battery capacity of the storage battery according to the historical power failure warning information and historical power consumption information, as well as the aging coefficient.
  • the battery capacity calculated according to the historical power failure warning information and the historical power consumption information reflects the capacity when the power failure occurs at the site. There may be a period of time between the time when the power failure occurs and the time when the battery capacity is calculated, during which time the battery may age. Therefore, considering the aging during this period, and combining the aging coefficient to calculate the current battery capacity, the calculation result is more accurate and can better reflect the actual capacity of the battery.
  • the storage battery may be a battery that cannot display the actual capacity, such as a lead-acid battery; it may also be a battery that can display the actual capacity, such as a lithium battery.
  • the remaining power of the battery can be known (directly read if it can be displayed, and calculate it according to the above method if it cannot be displayed).
  • the site can be accurately controlled to adopt a corresponding energy-saving strategy, and the actual power consumption of the site can be adjusted.
  • batteries of appropriate capacity can be superimposed for the site based on the actual capacity of the existing batteries. It can avoid insufficient backup time due to too small capacity of superimposed batteries; it can also avoid waste of battery resources and funds caused by too large capacity of superimposed batteries.
  • the site may be at least one of a communication base station, a server, and a computer room.
  • control device includes a processor and a communication interface
  • the processor is used to: calculate the battery capacity of the battery according to the historical power outage warning information and historical power consumption information of the site where the battery is located; if a power outage occurs at the site, calculate the remaining power of the battery according to the actual power consumption, power outage duration and battery capacity of the site;
  • the communication interface is used to: if it is determined that the energy-saving level of the storage battery has changed according to the remaining power, the current target energy-saving level of the storage battery is sent to the station, so that the station adopts a power-saving strategy corresponding to the target energy-saving level to reduce the power consumption of the station.
  • the control device is used to execute the power backup method of the first aspect mentioned above.
  • the third aspect of the embodiment of the present application provides a power backup system, where the power backup system includes a station and a control device;
  • the site includes power equipment, and the power equipment includes storage batteries;
  • control equipment is on the accumulator, power supply equipment or station;
  • the control device is used to implement the power backup method of the first aspect.
  • the site is at least one of a communication base station, a server, and a computer room.
  • the fourth aspect of the embodiment of the present application provides a power backup system, where the power backup system includes a site, a network management device, and a return device;
  • the network management device includes a control device, and the control device is used to execute the power backup method in the first aspect.
  • the site is at least one of a communication base station, a server, and a computer room.
  • a fifth aspect of the embodiment of the present application provides a communication system, the communication system includes a base station, a network management device, and a backhaul device, and the network management device includes the control device described in the second aspect.
  • the communication system is used to implement the power backup method in the first aspect.
  • the sixth aspect of the embodiments of the present application provides a computer-readable storage medium, where a program is stored in the computer-readable storage medium, and when the computer executes the program, the method described in the first aspect is executed.
  • the seventh aspect of the embodiments of the present application provides a computer program product.
  • the computer program product When the computer program product is executed on a computer, the computer executes the method described in the first aspect.
  • Figure 1a is a schematic diagram of an application architecture of a power backup method provided in an embodiment of the present application
  • FIG. 1b is a schematic diagram of another application architecture of the power backup method provided by the embodiment of the present application.
  • FIG. 2 is a schematic flow chart of a power backup method provided in an embodiment of the present application
  • Fig. 3 is a schematic diagram of the remaining capacity of the aging storage battery
  • FIG. 4 is a schematic diagram of a power backup method provided in an embodiment of the present application.
  • FIG. 5 is another schematic diagram of the power backup method provided by the embodiment of the present application.
  • FIG. 6 is a logical block diagram of the flow of the power backup method provided by the embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a control device provided in an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a power backup system provided in an embodiment of the present application.
  • FIG. 9 is another schematic structural diagram of the power backup system provided by the embodiment of the present application.
  • Embodiments of the present application provide a power backup method and related equipment, so as to implement precise power backup.
  • a base station A collection of devices used to provide a service. Such as base stations, servers, computer rooms, etc.
  • a base station as a site may include integrated antenna feeders, antenna support structures, power supply and distribution, energy saving and temperature control and other equipment.
  • Capacity Indicates the energy storage capacity of the battery, and the value is relatively fixed in a short period of time. That is to say, the capacity does not change during the process of supplying power to the site.
  • Power Indicates the amount of energy stored in the storage battery, and the power will gradually decrease as the power is supplied to the site.
  • FIG. 1a is a schematic diagram of an application architecture of a power backup method provided by an embodiment of the present application, in which a station and a control device are included.
  • a site includes power supplies, which are used to provide power to the site.
  • the power supply equipment includes batteries. If the site is not powered off, the power supply equipment supplies power to the site through the mains; if the site is powered off, the power supply equipment supplies power to the site through the battery.
  • the control device is used to reduce the power consumption of the site according to the remaining state of charge (SOC) of the battery, thereby prolonging the backup time of the battery.
  • SOC state of charge
  • three types of application architectures as shown in FIG. 1a can be determined according to the location of the control device.
  • control equipment is on the battery.
  • the second type as shown in Figure B, the control device is on the power device.
  • control device is on the control node outside the site and can communicate with the power device on the site.
  • the site may be a base station.
  • the site may also be a collection of other devices for providing services, such as a server, a computer room, etc., which is not limited here.
  • the architecture type in Figure C in FIG. 1a can be expanded into the architecture shown in FIG. 1b.
  • the control device communicates with the base station as a site through a backhaul device on the network management as a control node.
  • the base station in FIG. 1b is only an example of a station, and does not limit the station.
  • the network management is just an example of the control node.
  • the control node may also be a power management unit, a baseband processing unit, etc., which is not limited here.
  • the network manager is also referred to as a network management device, which is not limited here.
  • the base station includes a battery, wherein the battery is on the power supply device.
  • the base station can also include other equipment, such as the remote radio unit (RRU) shown in Figure 1b, or the integrated antenna feeder, base band unit (BBU), etc., which are not limited here .
  • RRU remote radio unit
  • BBU base band unit
  • the battery is used to supply power to the base station when the base station is powered off.
  • the base station can report the power failure alarm information to the network management through the backhaul device.
  • the base station can also report other information to the network management, such as power consumption information during power outages, station outage information, etc.
  • control device on the network management system may include a site historical data analysis module, a site power outage and backup power analysis module, and a real-time data analysis module.
  • the site historical data analysis module can collect and analyze the historical power outage alarm information of the base station, the battery exhaustion alarm information, the historical station disconnection alarm information, and the site power consumption information.
  • the site power outage and backup power analysis module can perform power outage duration and trend analysis, backup power duration and station outage analysis, business trend analysis, and period power consumption prediction based on the analysis results of the site historical data analysis module.
  • the real-time data analysis module can calculate the remaining power of the storage battery according to the analysis results of the site power outage and backup power analysis module.
  • the remaining power can be calculated by combining power failure alarm, current time, load power, etc.
  • the energy-saving level of the storage battery can be determined according to the remaining power.
  • control device After the control device obtains the energy-saving level of the battery, it can transmit the energy-saving level to the corresponding base station through the backhaul device, so that the base station adopts the power-saving strategy corresponding to the energy-saving level to reduce power consumption and extend the power supply time of the battery to the base station.
  • control device may also determine the energy-saving strategy of the base station according to the energy-saving level, and send the energy-saving strategy to the base station through the backhaul device, so that the base station adopts the energy-saving strategy to reduce power consumption, which is not limited here.
  • control device may also be on other control nodes, such as on the BBU of the base station, or on the power supply device, which is not limited here.
  • the backhaul device shown in Figure 1b may be a wireless backhaul device, such as a microwave device, etc.; in addition to a wireless backhaul device, the backhaul device may also be a wired backhaul device, such as an optical fiber, etc., which is not limited here .
  • the base station will be used as an example of a site to illustrate the flow of the power backup method provided by the embodiment of the present application.
  • the method includes:
  • the battery may age, and the aging will cause the actual capacity (battery capacity) of the battery to decrease. As shown in Figure 3, after the battery is used for 2 years, the battery capacity is reduced to 93% of the original capacity; after the battery is used for 5 years, the battery capacity is reduced to 83% of the original capacity.
  • FIG. 3 is only an exemplary illustration of the decrease in battery capacity during the aging process of the battery, and does not limit the aging capacity of the battery. Affected by the charging and discharging of the battery and the ambient temperature, the capacity reduction of each battery is different during the aging process.
  • this application uses the historical power outage information and historical power consumption information of the site where the storage battery is located to calculate the energy consumed by the site during the process of the storage battery supplying power to the site in history, so as to determine the battery capacity of the storage battery .
  • control device may obtain historical power failure warning information and historical power consumption information of the base station, and calculate the battery capacity of the storage battery according to the historical power failure warning information and historical power consumption information.
  • control device may determine the maximum power supply duration for the battery to supply power to the base station according to historical power failure warning information.
  • the determination of the maximum power supply duration is based on whether the base station has been disconnected or not.
  • the capacity calculation formulas used to calculate the battery capacity of the storage battery are also different, which will be explained separately below:
  • the base station is broken.
  • the control device can also obtain the historical station disconnection warning information of the base station.
  • the control device can determine the maximum power supply duration according to the historical power failure alarm information and historical alarm information of the base station.
  • the historical power outage warning information may include the power outage duration, and the historical outage warning information may include the outage duration.
  • the historical power consumption information may include load power consumption at that time, that is, the power consumption when the base station is powered off.
  • the control device can determine the corresponding power outage duration and outage duration when the power outage occurs.
  • the duration of the outage minus the duration of the outage is the duration for the battery to supply power to the base station, that is, the maximum power supply duration mentioned above. Combined with the current load power consumption, the actual battery capacity of the battery can be calculated.
  • the corresponding calculation formula is formula 1 below.
  • Battery capacity (maximum power outage duration - outage duration) ⁇ current load power
  • the historical power outage warning information may include the power outage start time, and the historical outage warning information may include the outage start time.
  • the historical power consumption information may include load power consumption at that time, that is, the power consumption when the base station is powered off.
  • the control device can determine the duration for the battery to supply power to the base station according to the start time of the power outage and the start time of the outage, that is, the maximum power supply duration mentioned above. Combined with the current load power consumption, the actual battery capacity of the battery can be calculated. The corresponding calculation formula is formula 2 below.
  • the historical power outage warning information may include the power outage start time, that is, the starting time t 0 of the battery discharge point, and the historical station outage warning information may include the outage start time, that is, the battery discharge termination time t 1 .
  • the historical power consumption information may include the current magnitude i(t) discharged by the storage battery. The corresponding calculation formula is formula 3 below.
  • the base station has not been disconnected.
  • the longest power outage duration can be determined from the historical power outage warning information of the base station. Since the base station will use the battery to supply power to the base station once the power fails, and the base station has not experienced any outage, it means that the actual capacity of the battery should be greater than or equal to the energy consumed by the base station during the power failure. Therefore, the longest power outage duration can be used as the maximum power supply duration to calculate the capacity of the storage battery.
  • the historical power outage warning information may include the duration of the power outage
  • the historical power consumption information may include the current load power consumption, that is, the power consumption of the base station when the power outage occurs.
  • the control device can determine the longest power outage duration, which is the maximum power supply duration mentioned above. Combined with the load power consumption at that time, the actual battery capacity of the battery can be calculated.
  • the corresponding calculation formula is the following formula 4.
  • Battery capacity maximum power outage duration ⁇ current load power
  • control device can obtain the historical power failure warning information, historical station disconnection warning information, and historical power consumption information of the base station through the backhaul device.
  • backhaul device other methods can also be used, for example, when the control device is on the base station , the control device may directly acquire the historical power outage information and historical power consumption information of the base station from the base station, which is not limited here.
  • the battery capacity calculated according to the historical power failure warning information, the historical station disconnection warning information (optional) and the historical power consumption information reflects the capacity when the power failure occurs at the site. There may be a period of time between the time when the power failure occurs and the time when the battery capacity is calculated, during which time the battery may age. Therefore, considering the aging during this period, the battery capacity at the current moment can be calculated in combination with the aging coefficient, and the calculation result is more accurate and can better reflect the actual capacity of the battery.
  • the aging factor may be determined according to the classification of the grid.
  • the control device can count the historical alarm information of the base station, such as the cumulative power outage duration of the base station in a single month, the cumulative number of power outages in a single month, or the average single power outage duration, etc., to determine which type of power grid the base station belongs to, and then based on the power grid to which the base station belongs Type, to determine the annual loss of battery capacity (ie aging factor).
  • the grid classification principles are as follows:
  • Class I power grid the average monthly power outage duration is less than 10 hours, and the annual loss of battery capacity is 2%;
  • Class II power grid the average weekly power outage duration is less than 10 hours, and the annual loss of battery capacity is 7%;
  • the average daily power outage duration is ⁇ 2 hours and ⁇ 8 hours, and the annual loss of battery capacity is 15%;
  • the battery can display battery information such as battery charge and discharge coefficient, battery operating temperature, etc.
  • the battery information can also be used as an influencing factor to properly adjust the annual loss of the battery to determine the actual battery capacity.
  • the storage battery starts to supply power to the site.
  • the remaining power of the battery can be calculated according to the actual power consumption of the site, the duration of the power outage, and the battery capacity of the battery.
  • the remaining backup power may be calculated according to the backup capacity (battery capacity), the current power of the base station, and the duration of the power outage.
  • the calculation formula of the state of charge (SOC) is shown in formula 5.
  • the remaining battery power calculated by the above formula may also be used to calculate the remaining battery backup time that the battery can supply power to the base station.
  • the control device may calculate the remaining backup time according to the SOC of the remaining power and the current power consumption of the base station.
  • control device determines that the energy-saving level of the battery changes according to the remaining power, it will send the current target energy-saving level of the battery to the site, so that the site adopts a power-saving strategy corresponding to the target energy-saving level, reduces the power consumption of the site, and prolongs the power supply of the battery to the site power supply duration.
  • Table 1 is a table for setting energy saving levels.
  • the battery power supply process is divided into three levels. 60% is set as the boundary line between energy saving level 1 and energy saving level 2, and 40% is set as the boundary line between energy saving level 2 and energy saving level 3.
  • 60% is only an example of the dividing line between energy-saving level 1 and energy-saving level 2, and the dividing line can also be other values other than 60%, such as 50%, 40%, etc., not here Do limited.
  • 40% is just an example of the dividing line between energy-saving level 2 and energy-saving level 3, and the dividing line can also be other values than 40%, such as 30%, 20%, etc., which is not limited here.
  • the base station can adopt the energy-saving strategy corresponding to energy-saving level 1 to reduce the energy consumption of the base station; at energy-saving level 2 (starting from 60%), the base station can adopt the corresponding Energy-saving strategy to reduce the energy consumption of the base station; in the energy-saving level 3 (starting from 40%), the base station can adopt the energy-saving strategy corresponding to the energy-saving level 3 to reduce the energy consumption of the base station, so that the base station is in the lowest energy consumption state for maintaining operation .
  • the base station can be placed in different energy consumption states at different power saving levels.
  • Table 2 is a schematic diagram of energy saving strategies.
  • base stations such as base stations of long term evolution (long term evolution, LTE) network or (new radio, NR) base stations
  • different energy saving strategies can be adopted.
  • Fig. 6 is a logical block diagram of the process flow of the power backup method provided by the embodiment of the present application.
  • the XX% in the first judgment is energy-saving level 1 and energy-saving level
  • the dividing line between 2, XX% in the second judgment is the dividing line between energy-saving level 2 and energy-saving level 3, which has been explained in detail above and will not be repeated here.
  • L0 indicates that the power supply of the base station is restored, and the battery does not need to supply power for the base station
  • L1 indicates power saving level 1
  • L2 indicates power saving level 2
  • L3 indicates power saving level 3.
  • Table 1 and Table 2 are illustrations of energy-saving levels and energy-saving strategies, and do not limit the thresholds of classification, energy-saving strategies at corresponding levels, and the like.
  • the boundaries between energy-saving levels may be other values, and the energy-saving strategies may be other measures, and may be divided into more or fewer levels, which are not limited here.
  • the energy-saving level of the battery may also be determined according to the remaining backup time calculated from the remaining power. And when the energy saving level changes, the current target energy saving level is sent to the base station. The sending of the energy-saving level has been described above, and will not be repeated here.
  • step 203 For the description of the remaining backup time, refer to the description of step 203.
  • the division of different energy-saving levels is similar to that shown in Table 1, and will not be repeated here.
  • FIG. 7 is a schematic structural diagram of the control device provided by the embodiment of the present application. As shown in FIG. 7, the control device 700 includes:
  • the processor 701 is used to: calculate the battery capacity of the battery according to the historical power outage warning information and historical power consumption information of the site where the battery is located; if a power outage occurs at the site, calculate the remaining battery capacity according to the actual power consumption, power outage duration and battery capacity of the site. electricity;
  • the communication interface 702 is used to: if it is determined that the energy saving level of the storage battery has changed according to the remaining power, send the current target energy saving level of the storage battery to the site, so that the site adopts a power saving strategy corresponding to the target energy saving level to reduce the power consumption of the site.
  • the processor 701 is also configured to: calculate the remaining backup time for the storage battery to supply power to the site according to the remaining power and the current power consumption of the site;
  • the communication interface 702 is specifically used for sending the current target energy-saving level of the battery to the station if it is determined that the energy-saving level of the storage battery has changed according to the remaining backup time.
  • the processor 701 is specifically configured to: calculate the battery capacity of the storage battery according to historical power outage warning information and historical power consumption information, as well as historical station outage warning information of the station.
  • the processor 701 is specifically configured to: determine the maximum power supply duration for the battery to supply power to the site according to the historical power failure alarm information; calculate the battery capacity according to the capacity calculation formula, wherein, in the capacity calculation formula: battery The capacity is positively correlated with the maximum power supply duration, and is positively correlated with the power consumption corresponding to the maximum power supply duration; or, the battery capacity is positively correlated with the maximum power supply duration, and is positively correlated with the current corresponding to the maximum power supply duration.
  • the processor 701 is specifically configured to: determine the maximum power supply duration for the battery to supply power to the site according to the historical power outage alarm information and the historical station outage alarm information; calculate the battery capacity according to the capacity calculation formula, wherein, in In the capacity calculation formula: the battery capacity is positively correlated with the maximum power supply duration, and is positively correlated with the power consumption corresponding to the maximum power supply duration; or, the battery capacity is positively correlated with the maximum power supply duration, and is positively correlated with the current corresponding to the maximum power supply duration.
  • the processor 701 is specifically configured to: calculate the battery capacity of the storage battery according to historical power failure warning information, historical power consumption information, and an aging coefficient.
  • the storage battery includes: a lead-acid battery and/or a lithium battery.
  • the site is at least one of a communication base station, a server, and a computer room.
  • FIG. 8 is a schematic structural diagram of the backup power system provided by the embodiment of the present application.
  • the backup power system 8000 includes:
  • a station 8100 and a control device 8200 are provided.
  • the station 8100 includes a power supply device 8110, and the power supply device 8110 includes a storage battery 8111;
  • control device 8200 may be on the site 8100 .
  • control device can also be on the power supply device 8110 or the storage battery 8111, which is not limited here.
  • the control device 8200 is configured to execute the power backup method shown in FIG. 2 to FIG. 6 .
  • FIG. 9 is a schematic structural diagram of the backup power system provided by the embodiment of the present application.
  • the backup power system 9000 includes:
  • the network management device 9200 includes a control device 9210, and the control device 9210 is configured to execute the power backup methods shown in Fig. 2 to Fig. 6 .
  • the embodiment of the present application also provides a computer-readable storage medium, where a program is stored in the computer-readable storage medium, and when the computer executes the program, the methods described in FIG. 2 to FIG. 6 are executed.
  • An embodiment of the present application also provides a computer program product.
  • the computer program product When the computer program product is executed on a computer, the computer executes the methods described in FIG. 2 to FIG. 6 .
  • the disclosed system, device and method can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or part of the contribution to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disc and other media that can store program codes. .

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Abstract

本申请实施例公开了一种备电方法以及相关设备，用于针对不同重要等级的业务做精准的备电控制。本申请实施例方法包括：根据蓄电池所在站点的历史停电告警信息和历史功耗信息，计算蓄电池的电池容量；若站点发生停电，根据站点的实际功耗、停电时长和电池容量，计算蓄电池的剩余电量；若根据剩余电量确定蓄电池的节能等级发生变化，则向站点发送蓄电池当前的目标节能等级，以使得站点采取与目标节能等级对应的节电策略，降低站点的功耗。

Description

一种备电方法以及相关设备
本申请要求于2021年6月30日提交中国专利局、申请号为CN202110742186.8、发明名称为“一种备电方法以及相关设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及备电领域，尤其涉及一种备电方法以及相关设备。
背景技术
在通信、数据管理等领域，为了防止停电造成数据丢失或服务中断等事故，通常需要在站点的电源设备中设置蓄电池来为站点备电。在一些场景下，规定了站点的备电时长，在停电发生的情况下，需要确保蓄电池为站点供电的时长不小于备电时长。备电时长与站点停电的时长有关，一般来说，站点停电的时间会控制在备电时长之内。
当站点扩容，站点设备功耗增加，在停电状态下，站点功耗增加将会缩短蓄电池为站点供电的时长，导致蓄电池为站点供电的时长小于备电时长。若在恢复供电之前，蓄电池的电量被耗尽，则会出现断站的现象。
在一种备电方法中，在站点停电的过程中，根据蓄电池的剩余电量，使站点采取对应的节能措施，通过降低站点功耗来延长蓄电池为站点供电的时长，从而减小断站发生的概率。
然而，有些种类的蓄电池为无源设备，无法获知蓄电池的剩余电量，也就无法根据剩余电量及时降低站点功耗、延长供电时长，发生断站的可能性高。
发明内容
本申请实施例提供了一种备电方法以及相关设备，用于针对不同重要等级的业务做精准的备电控制。
本申请实施例第一方面提供了一种备电方法，该方法应用于控制设备，该方法包括：
控制设备根据蓄电池所在站点的历史停电告警信息和历史功耗信息，计算蓄电池的电池容量；若该站点发生停电，则在蓄电池为该站点供电的过程中，控制设备根据站点的实际功耗、停电时长和电池容量，计算蓄电池的剩余电量(state of charge，SOC)；若控制设备根据剩余电量确定蓄电池的节能等级发生变化，则向站点发送蓄电池当前的目标节能等级，以使得站点采取与目标节能等级对应的节电策略，降低站点的功耗。
在本申请实施例中，控制设备通过站点的历史停电告警信息和历史功耗信息确定蓄电池的电池容量；并在站点停电、蓄电池为站点供电的过程中，控制设备根据蓄电池实际的剩余电量，控制基站降低设备功耗。实现了根据蓄电池的实际剩余供电能力(剩余电量)，适时降低站点的部分功耗，从而有效延长蓄电池对站点的备电时长。当站点发生扩容情况时，采用该方法，在相同的蓄电池配置条件下，根据蓄电池的节能等级逐级降低站点的功耗，减少功耗，也就减小了对蓄电池的容量要求。在站点扩容的情况下，可以使已有的蓄 电池满足备电时长的要求，不需要增设蓄电池来满足备电时长，节省备电投资；或者，若需要增设蓄电池，由于减小了对蓄电池的容量要求，可以减小增设蓄电池的容量大小，节省备电投资。
在本申请实施例中，通过历史停电告警信息和历史功耗信息，控制设备可以确定在站点停电的时候，站点所消耗的电量，从而确定蓄电池为站点提供的电量，也就能确定蓄电池的容量大小。
在本申请实施例中，除了根据剩余电量确定蓄电池的节能等级，还可以根据剩余电量所确定的剩余备电时长，确定蓄电池的节能等级，从而向站点发出目标节能等级。具体的，在该方法中，控制设备可以根据剩余电量和站点当前的功耗，计算蓄电池可以为站点供电的剩余备电时长。若控制设备根据该剩余备电时长，确定蓄电池的节能等级发生变化，控制设备则可以向站点发送蓄电池当前的目标节能等级，以使得站点采取与目标节能等级对应的节电策略，降低站点的功耗。
在一种可选的实施方式中，控制设备还可以根据站点的历史断站告警信息，计算蓄电池的电池容量。具体的，在该方法中，控制设备可以根据历史停电告警信息和历史功耗信息，以及站点的历史断站告警信息，计算蓄电池的电池容量。
在本申请实施例中，历史断站告警信息，可以指示将蓄电池电量耗尽的一次或多次停电时的情况。例如，可以根据历史断站告警信息，确定出现断站的某次停电过程中，蓄电池为站点供电的时长，再结合当时的历史功耗信息，计算站点所消耗的电量多少，由于这些电量都是蓄电池提供的，因此可以确定蓄电池的容量大小。由于历史断站告警信息所指示的供电时长，都对应于蓄电池电量耗尽时的时长信息，能准确反映蓄电池的容量，根据历史断站告警信息计算出的蓄电池容量大小，结果更为准确。
在一种可选的实施方式中，可以通过历史停电告警信息确定最大供电时长，从而计算蓄电池的电池容量。具体的，在该方法中，控制设备可以根据历史停电告警信息，确定蓄电池为站点供电的最大供电时长；然后再根据容量计算公式计算蓄电池的电池容量。其中，在该容量计算公式中：电池容量与最大供电时长正相关，且与最大供电时长所对应的功耗正相关；或者，在该容量计算公式中：电池容量与最大供电时长正相关，且与最大供电时长所对应的电流正相关。
对于无法显示电池实际容量的蓄电池来说，获取剩余电量SOC是十分困难的，从而导致根据电池剩余电量SOC设置不同的节能等级很难实现。在本申请实施例中，历史停电告警信息和历史功耗信息，反映了历史上该蓄电池为该电站供电的信息，也就能准确反映该蓄电池的实际容量。因此根据历史停电告警信息和历史功耗信息计算出的蓄电池的实际容量，是准确的。根据对蓄电池实际容量的准确计算结果，可以确定合适的时机降低站点功耗，有效延长蓄电池对站点的备电时长。
在一种可选的实施方式中，可以通过历史断站告警信息确定最大供电时长，从而计算蓄电池的电池容量。具体的，在该方法中，控制设备可以根据历史停电告警信息和历史断站告警信息，确定蓄电池为站点供电的最大供电时长；然后再根据容量计算公式计算蓄电池的电池容量。其中，在该容量计算公式中：电池容量与最大供电时长正相关，且与最大 供电时长所对应的功耗正相关；或者，在该容量计算公式中：电池容量与最大供电时长正相关，且与最大供电时长所对应的电流正相关。
在本申请实施例中，通过历史停电告警信息和历史断站告警信息，可以获知蓄电池电量耗尽时对应的最大供电时长，该最大供电时长对应了蓄电池电量的耗尽，反映了蓄电池的存储能力，也就能准确的反映蓄电池的电池容量。根据该最大供电时长计算出的电视容量，结果更为准确。
在一种可选的实施方式中，可以设置多个节能等级：根据蓄电池的剩余电量SOC大小，设置不同的节能等级。例如，可以设置两个节能等级，以50％的剩余电量为分界线。当剩余电量大于50％时，节能等级为高功耗级，当剩余电量小于50％时，为低功耗级。可选的，节能等级的边界条件可根据需求调节。
在一种可选的实施方式中，可以针对不同的节能等级，为站点设置不同的节电策略，使得不同节电等级对应着不同的功耗水平。示例地，节能等级所对应的剩余电量越小，则使得对应的节电策略对应着越低的功耗水平。示例地，在通信领域中，可以为2G、3G、4G、5G设备分别设置不同的节电策略，例如：无降功耗动作、降低发射功率、符号关断、载波关断等。可选的，可以根据实际需求，针对不同的节能等级，调节所设置的节电策略。
在本申请实施例中，通过降低发射功率、符号关断、载波关断等措施。减少站点中设备对蓄电池能量的消耗，使得蓄电池可以为基站提供更长的备电时长，减小基站发生断站的概率。
在一种可选的实施方式中，还可以考虑到蓄电池的老化，计算蓄电池的剩余电量。具体的，在该方法中，控制设备可以根据历史停电告警信息和历史功耗信息，以及老化系数，计算蓄电池的电池容量。
在本申请实施中，根据历史停电告警信息和历史功耗信息计算出的电池容量大小，反映的是站点发生停电时的容量大小。停电发生的时间，与计算电池容量的时间之间，可能间隔了一段时间，在这段时间中，蓄电池可能发生老化。因此，考虑到这段时间的老化，结合老化系数计算当前时刻的电池容量，计算结果更为准确，更能反映蓄电池的实际容量大小。
在一种可选的实施方式中，蓄电池可以是无法显示实际容量的电池，例如铅酸电池；也可以是可以显示实际容量的电池，例如锂电池。
在本申请实施例中，无论蓄电池是否可以显示电池的实际容量，都可以获知蓄电池的剩余电量(可以显示的直接读取，无法显示的根据上述方法计算)。可以根据蓄电池的剩余电量，准确地控制站点采取对应的节能策略，调配站点的实际功耗。在站点扩容，站点功耗水平上升的情况下，可以基于已有蓄电池的实际容量，为该站点叠加合适容量的蓄电池。可以避免因叠加蓄电池的容量过小，造成备电时长不足；也可以避免因叠加蓄电池的容量过大，造成对电池资源和资金的浪费。
在一种可选的实施方式中，该站点可以为通信基站、服务器、机房中的至少一项。
本申请实施例第二方面提供了一种控制设备，该控制设备包括处理器和通信接口；
处理器用于：根据蓄电池所在站点的历史停电告警信息和历史功耗信息，计算蓄电池 的电池容量；若站点发生停电，则根据站点的实际功耗、停电时长和电池容量，计算蓄电池的剩余电量；
通信接口用于：若根据剩余电量，确定蓄电池的节能等级发生变化，则向站点发送蓄电池当前的目标节能等级，以使得站点采取与目标节能等级对应的节电策略，降低站点的功耗。
该控制设备用于执行前述第一方面的备电方法。
第二方面的有益效果参见第一方面，此处不再赘述。
本申请实施例第三方面提供了一种备电系统，该备电系统包括站点和控制设备；
站点包括电源设备，电源设备包括蓄电池；
该控制设备在该蓄电池上、电源设备上或站点上；
该控制设备用于执行第一方面的备电方法。
在一种可选的实施方式中，该站点为通信基站、服务器、机房中的至少一项。
本申请实施例第四方面提供了一种备电系统，该备电系统包括站点、网管设备和回传设备；
该网管设备包括控制设备，该控制设备用于执行第一方面的备电方法。
在一种可选的实施方式中，该站点为通信基站、服务器、机房中的至少一项。
本申请实施例第五方面提供了一种通信系统，该通信系统包括基站、网管设备和回传设备，该网管设备包括第二方面所述的控制设备。该通信系统用于实现前述第一方面的备电方法。
本申请实施例第六方面提供了一种计算机可读存储介质，该计算机可读存储介质中保存有程序，当计算机执行该程序时，执行第一方面所述的方法。
本申请实施例第七方面提供了一种计算机程序产品，当该计算机程序产品在计算机上执行时，该计算机执行第一方面所述的方法。
附图说明
图1a为本申请实施例提供的备电方法的一个应用架构示意图；
图1b为本申请实施例提供的备电方法的另一应用架构示意图；
图2为本申请实施例提供的备电方法的一个流程示意图；
图3为老化蓄电池的剩余容量示意图；
图4为本申请实施例提供的备电方法的一个示意图；
图5为本申请实施例提供的备电方法的另一示意图；
图6为本申请实施例提供的备电方法的流程的逻辑框图；
图7为本申请实施例提供的控制设备的结构示意图；
图8为本申请实施例提供的备电系统的一个结构示意图；
图9为本申请实施例提供的备电系统的另一结构示意图。
具体实施方式
下面结合本发明实施例中的附图对本发明实施例进行描述。本发明的实施方式部分使用的术语仅用于对本发明的具体实施例进行解释，而非旨在限定本发明。本领域普通技术人员可知，随着技术的发展和新场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换，这仅仅是描述本申请的实施例中对相同属性的对象在描述时所采用的区分方式。此外，术语“包括”和“具有”以及他们的任何变形，其目的在于覆盖不排他的包含，以便包含一系列单元的过程、方法、系统、产品或设备不必限于那些单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它单元。
本申请实施例提供了一种备电方法以及相关设备，用于实现精准备电。
下面对本申请实施例中出现的一些专业术语进行解释：
备电：在停电的情况下，通过蓄电池为设备供电。
站点：用于提供服务的设备的集合。例如基站、服务器、机房等。示例地，基站作为站点可以包括集成天馈、天线支撑结构、电源与配电、节能与温控等设备。
断站：站点因各种原因发生不工作的状态，如没有电源供应、自身故障等。
容量：表示蓄电池的储能能力，在短时间内数值相对固定。也就是说，在对站点供电的过程中，容量并不会变化。
电量：表示蓄电池所储蓄的能量多少，随着对站点的供电，电量会逐渐减小。
为了便于理解，接下来将描述本申请实施例的应用架构。
一、本申请实施例的应用架构。
请参阅图1a，图1a为本申请实施例提供的备电方法的应用架构示意图，在该架构中，包括站点和控制设备。站点包括电源设备，电源设备用于为站点供电。电源设备包括蓄电池，若站点未停电，则电源设备通过市电为站点供电；若站点停电，则电源设备通过蓄电池为站点供电。
控制设备用于根据蓄电池的剩余电量(state of charge，SOC)，降低站点的功耗，从而延长蓄电池的备电时长。本申请实施例中，可以根据控制设备所在的位置，确定如图1a中所示的三种类型的应用架构。
第一种类型：如A图所示，控制设备在蓄电池上。
第二种类型：如B图所示，控制设备在电源设备上。
第三种类型：如C图所示，控制设备在站点外的控制节点上，并且可以与站点上的电源设备通信。
示例地，该站点可以是基站，除了基站，该站点还可以是其他用于提供服务的设备集合，例如服务器、机房等，此处不作限定。
示例地，在通信基站中，对于图1a中的C图的架构类型，可以展开为图1b所示的架构。如图1b所示，控制设备在作为控制节点的网管上，通过回传设备与作为站点的基站通信。值得注意的是，图1b中的基站仅是对站点的一个示例，并不造成对站点的限定。网管 仅是对控制节点的一个示例，除了网管，控制节点还可以是电源管理单元、基带处理单元等，此处不做限定。
值得注意的是，在本申请实施例中，网管也称为网管设备，此处不做限定。
基站包括蓄电池，其中，蓄电池在电源设备上。除了蓄电池，基站还可以包括其他设备，例如图1b中所示的射频拉远单元(remote radio unit，RRU)，或者集成天馈、基带处理单元(base band unit，BBU)等，此处不作限定。
作为电源设备的一部分，蓄电池用于在基站停电时，为基站供电。在基站停电的过程中，基站可以通过回传设备向网管上报停电告警信息。除了停电告警信息，基站还可以向网管上报其他信息，例如停电时的功耗信息、断站信息等。
示例地，网管上的控制设备，可以包括站点历史数据分析模块，站点停电、备电分析模块，和实时数据分析模块。
其中，站点历史数据分析模块可以收集并分析基站的历史停电告警信息、蓄电池耗尽告警信息、历史断站告警信息、站点功耗信息。
其中，站点停电、备电分析模块可以根据站点历史数据分析模块的分析结果，进行停电时长与趋势分析、备电时长与断站分析、业务趋势分析、时段功耗预测等。
其中，实时数据分析模块可以根据站点停电、备电分析模块的分析结果，计算蓄电池的剩余电量。其中，剩余电量可以结合停电告警、当前时间、负载功率等计算。实时数据分析模块计算出剩余电量后，可以根据剩余电量确定蓄电池的节能等级。
控制设备得到了蓄电池的节能等级，就可以通过回传设备将该节能等级传输给对应基站，以使得基站采取该节能等级对应的节电策略，降低功耗，延长蓄电池对基站供电的时长。
可选的，控制设备也可以根据节能等级确定基站的节能策略，并通过回传设备向基站发送该节能策略，使得基站采取该节能策略降低功耗，此处不做限定。
除了如图1b所示的，控制设备在网管上，控制设备还可以在其他的控制节点上，例如在基站的BBU上等，或者在电源设备上，此处不做限定。
示例地，图1b中所示的回传设备可以是无线回传设备，例如微波设备等；除了无线回传设备，回传设备还可以是有线回传设备，例如光纤等，此处不做限定。
上面描述了本申请实施例的应用架构，下面描述本申请实施例所提供的备电方法。
二、本申请实施例的备电方法。
请参阅图2，在图2中，将以基站为站点的示例，说明本申请实施例所提供的备电方法的流程，该方法包括：
201、根据站点的历史停电告警信息和历史功耗信息，计算蓄电池的电池容量。
随着蓄电池的使用，蓄电池可能出现老化，老化会导致蓄电池的实际容量(电池容量)越来越少。如图3所示，蓄电池在使用2年后，电池容量降低为原容量的93％；蓄电池在使用5年后，电池容量降低为原容量的83％。
值得注意的是，图3仅为对蓄电池老化过程中电池容量降低的示例性说明，并不造成对蓄电池老化容量的限定。受蓄电池的充放电、环境温度等影响，各蓄电池在老化过程中， 容量降低的情况不尽相同。
由于各蓄电池的容量降低情况不尽相同，本申请通过蓄电池所在站点的历史停电信息和历史功耗信息，计算历史上蓄电池为站点供电的过程中，站点所消耗的能量，从而确定蓄电池的电池容量。
具体的，控制设备可以获取基站的历史停电告警信息和历史功耗信息，并根据历史停电告警信息和历史功耗信息计算蓄电池的电池容量。
可选的，控制设备可以根据历史停电告警信息，确定蓄电池为基站供电的最大供电时长。最大供电时长的确定基于基站是否出现过断站。用于计算蓄电池的电池容量的容量计算公式也不尽相同，下面将分别说明：
1、基站出现过断站。
如图4所示，若基站出现过断站，则除了历史停电告警信息和历史功耗信息，控制设备还可以获取基站的历史断站告警信息。控制设备可以根据基站的历史停电告警信息和历史告警信息，确定最大供电时长。
示例地，历史停电告警信息可以包括停电时长，历史断站告警信息可以包括断站时长。历史功耗信息可以包括当时负载功耗，即基站停电时的功耗。控制设备可以确定断站那次停电时所对应的停电时长和断站时长。停电时长减去断站时长，即为蓄电池为基站供电的时长，也就是前面所说的最大供电时长，结合当时负载功耗，就可以计算出蓄电池的实际电池容量。对应的计算公式为下面的公式1。
公式1：
电池容量＝(最大停电时长-断站时长)×当时负载功率
示例地，历史停电告警信息可以包括停电起始时间，历史断站告警信息可以包括断站起始时间。历史功耗信息可以包括当时负载功耗，即基站停电时的功耗。控制设备可以根据停电起始时间和断站起始时间确定蓄电池为基站供电的时长，也就是前面所说的最大供电时长，结合当时负载功耗，就可以计算出蓄电池的实际电池容量。对应的计算公式为下面的公式2。
公式2：
电池容量＝(断站起始时间-停电起始时间)×当时负载功率
示例地，历史停电告警信息可以包括停电起始时间，即蓄电池放点的开始时刻t 0，历史断站告警信息可以包括断站起始时间，即蓄电池放电的终止时刻t 1。历史功耗信息可以包括蓄电池放出的电流大小i(t)。对应的计算公式为下面的公式3。
公式3：
Figure PCTCN2022098530-appb-000001
2、基站未出现过断站。
若基站未出现过断站，则可以在基站的历史停电告警信息中，确定最久的停电时长。由于基站一旦停电就会启用蓄电池为基站供电，且基站未出现过断站，则说明蓄电池的实 际容量应该大于或等于该次停电中，基站所消耗的能量。因此该最久的停电时长就可以作为最大供电时长，用于计算蓄电池的容量。
示例地，历史停电告警信息可以包括停电时长，历史功耗信息可以包括当时负载功耗，即基站停电时的功耗。控制设备可以确定最长的那次停电时长，就是前面所说的最大供电时长，结合当时负载功耗，就可以计算出蓄电池的实际电池容量。对应的计算公式为下面的公式4。
公式4：
电池容量＝最大停电时长×当时负载功率
可选的，控制设备可以通过回传设备获取基站的历史停电告警信息、历史断站告警信息和历史功耗信息，除了通过回传设备，还可以通过其它方式，例如当控制设备在基站上时，控制设备可以直接从基站处获取基站的历史停电信息和历史功耗信息，此处被不做限定。
值得注意的是，为了保证计算结果的准确性，需要统计基站一年以上的历史告警信息，以获取足够多的停电样本，从而准确地反映蓄电池为站点供电的状态。以免由于样本数量太少影响计算结果的准确性。
在本申请实施中，根据历史停电告警信息、历史断站告警信息(可选)和历史功耗信息计算出的电池容量大小，反映的是站点发生停电时的容量大小。停电发生的时间，与计算电池容量的时间之间，可能间隔了一段时间，在这段时间中，蓄电池可能发生老化。因此，考虑到这段时间的老化，可以结合老化系数计算当前时刻的电池容量，计算结果更为准确，更能反映蓄电池的实际容量大小。
可选的，老化系数可以根据电网分类来确定。请参阅图5，控制设备可以统计基站的历史告警信息，例如基站的单月累计停电时长、单月累计停电次数或平均单次停电时长等，确定基站属于哪类电网，再基于基站所属的电网类型，确定蓄电池容量的年损失(即老化系数)。电网分类原则如下所示：
一类电网：月平均停电时长＜10小时，蓄电池容量年损失2％；
二类电网：周平均停电时长＜10小时，蓄电池容量年损失7％；
三类电网：日平均停电时长≥2小时且＜8小时，蓄电池容量年损失15％；
四类电网：日平均停电时长＞8小时或无供电，蓄电池容量年损失20％。
可选的，若蓄电池可以显示电池充放电系数、电池工作温度等电池信息，还可以将电池信息作为影响因素，适当调整蓄电池的年损失，从而确定实际的电池容量。
202、若站点发生停电，蓄电池开始为站点供电。
203、根据站点的实际功耗、停电时长和电池容量，计算蓄电池的剩余电量。
在蓄电池为站点供电的过程中，蓄电池的剩余电量在持续下降，可以根据站点的实际功耗、本次的停电时长和蓄电池的电池容量，计算蓄电池的剩余电量。
具体的，可以根据备电容量(电池容量)和基站当前的功率以及停电时长，计算剩余备电电量(剩余电量)。剩余电量(state of charge，SOC)的计算公式如公式5所示。
公式5：
SOC＝[1-(当前时间-停电起始时间×实时功率)/实际电池容量]×100％
可选的，在本申请实施例中，还可以通过上述公式计算出的剩余电量，计算蓄电池可以为基站供电的剩余备电时长。具体的，控制设备可以根据剩余电量SOC和基站当前的功耗，计算剩余备电时长。
204、若根据剩余电量确定蓄电池的节能等级发生变化，则向站点发送蓄电池当前的目标节能等级。
若控制设备根据剩余电量确定蓄电池的节能等级发生变化，则向站点发送蓄电池当前的目标节能等级，以使得站点采取与目标节能等级对应的节电策略，降低站点的功耗，延长蓄电池为站点供电的供电时长。
示例地，请参阅表1，表1为节能等级设定表。表1中，基于蓄电池的剩余电量，将蓄电池供电过程分为三个等级。设定60％为节能等级1与节能等级2之间的分界线，设定40％为节能等级2与节能等级3之间的分界线。
表一节能等级设定表
Figure PCTCN2022098530-appb-000002
值得注意的是，60％仅为对节能等级1与节能等级2之间的分界线的一个举例，该分界线还可以是60％以外的其他数值，例如50％、40％等，此处不做限定。40％仅为对节能等级2与节能等级3之间的分界线的一个举例，该分界线还可以是40％以外的其他数值，例如30％、20％等，此处不做限定。
在节能等级1(从基站停电开始)，基站可以采取节能等级1所对应的节能策略，以降低基站的能耗；在节能等级2(从60％开始)，基站可以采取节能等级2所对应的节能策略，以降低基站的能耗；在节能等级3(从40％开始)，基站可以采取节能等级3所对应的节能策略，以降低基站的能耗，使基站处于维持运行的最低能耗状态。
基于上述阈值和备电节电等级的划分，可以在不同的节电等级，使基站处于不同的能耗状态，请参阅表2，表2为节能策略示意表。针对不同的基站(例如长期演进(long term evolution，LTE)网络的基站或(new radio，NR)基站)，可以采取不同的节能策略。
表二节能策略示意表
Figure PCTCN2022098530-appb-000003
请参阅图6，图6为本申请实施例提供的备电方法的流程的逻辑框图，图中右边两次对剩余电量SOC的判断，第一次判断中的XX％为节能等级1与节能等级2之间的分界线，第二次判断中的XX％为节能等级2与节能等级3之间的分界线，前文已进行详细解释，此处不再赘述。其中，L0表示基站恢复供电，不需要蓄电池为基站供电，L1表示节电等级1，L2表示节电等级2，L3表示节电等级3。
在本申请实施例中，表1和表2为对节能等级和节能策略的示意，并不造成对分级的阈值、对应等级下节能策略等的限定。节能等级之间的分界线可以为其他数值，节能策略可以为其他措施，还可以分为更多或更少的等级，此处不作限定。
可选的，除了根据剩余电量确定蓄电池的节能等级，还可以根据剩余电量计算出的剩余备电时长，确定蓄电池的节能等级。并在节能等级发生变化时，向基站发送当前的目标节能等级。关于节能等级的发送，前面已经描述过，此处不再赘述。
剩余备电时长的描述参见步骤203的说明，不同节能等级之间的划分与表1所示的类似，此处不再赘述。
上面描述了本申请实施例提供的备电方法，接下来描述本申请实施例提供的设备和通信系统。
三、本申请实施例提供的设备和通信系统。
请参阅图7，图7为本申请实施例提供的控制设备的结构示意图，如图7所示，控制设备700包括：
处理器701和通信接口702；
处理器701用于：根据蓄电池所在站点的历史停电告警信息和历史功耗信息，计算蓄电池的电池容量；若站点发生停电，则根据站点的实际功耗、停电时长和电池容量，计算蓄电池的剩余电量；
通信接口702用于：若根据剩余电量，确定蓄电池的节能等级发生变化，则向站点发送蓄电池当前的目标节能等级，以使得站点采取与目标节能等级对应的节电策略，降低站点的功耗。
在一种可选的实施方式中，处理器701还用于：根据剩余电量和站点当前的功耗，计算蓄电池可以为站点供电的剩余备电时长；
通信接口702具体用于：若根据剩余备电时长，确定蓄电池的节能等级发生变化，则向站点发送蓄电池当前的目标节能等级。
在一种可选的实施方式中，处理器701具体用于：根据历史停电告警信息和历史功耗信息，以及站点的历史断站告警信息，计算蓄电池的电池容量。
在一种可选的实施方式中，处理器701具体用于：根据历史停电告警信息，确定蓄电池为站点供电的最大供电时长；根据容量计算公式计算电池容量，其中，在容量计算公式中：电池容量与最大供电时长正相关，且与最大供电时长所对应的功耗正相关；或者，电池容量与最大供电时长正相关，且与最大供电时长所对应的电流正相关。
在一种可选的实施方式中，处理器701具体用于：根据历史停电告警信息和历史断站告警信息，确定蓄电池为站点供电的最大供电时长；根据容量计算公式计算电池容量，其中，在容量计算公式中：电池容量与最大供电时长正相关，且与最大供电时长所对应的功耗正相关；或者，电池容量与最大供电时长正相关，且与最大供电时长所对应的电流正相关。
在一种可选的实施方式中，处理器701具体用于：根据历史停电告警信息和历史功耗信息，以及老化系数，计算蓄电池的电池容量。
在一种可选的实施方式中，蓄电池包括：铅酸电池和/或锂电池。
在一种可选的实施方式中，站点为通信基站、服务器、机房中的至少一项。
请参阅图8，图8为本申请实施例提供的备电系统的结构示意图，如图8所示，备电系统8000包括：
站点8100和控制设备8200。
站点8100包括电源设备8110，电源设备8110包括蓄电池8111；
如图8所示，控制设备8200可以在站点8100上。
可选的，控制设备还可以在电源设备8110上或蓄电池8111上，此处不做限定。
控制设备8200用于执行图2至图6所示的备电方法。
请参阅图9，图9为本申请实施例提供的备电系统的结构示意图，如图9所示，备电系统9000包括：
站点9100、网管设备9200和回传设备9300；
网管设备9200包括控制设备9210，控制设备9210用于执行图2至图6所示的备电方法。
本申请实施例还提供了一种计算机可读存储介质，该计算机可读存储介质中保存有程序，当计算机执行该程序时，执行图2至图6所述的方法。
本申请实施例还提供了一种计算机程序产品，当该计算机程序产品在计算机上执行时， 该计算机执行图2至图6所述的方法。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(read-only memory，ROM)、随机存取存储器(random access memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。

Claims (20)

  1. 一种备电方法，其特征在于，所述方法应用于控制设备，所述方法包括：
    根据蓄电池所在站点的历史停电告警信息和历史功耗信息，计算所述蓄电池的电池容量；
    若所述站点发生停电，则根据所述站点的实际功耗、停电时长和所述电池容量，计算所述蓄电池的剩余电量；
    若根据所述剩余电量，确定所述蓄电池的节能等级发生变化，则向所述站点发送所述蓄电池当前的目标节能等级，以使得所述站点采取与所述目标节能等级对应的节电策略，降低所述站点的功耗。
  2. 根据权利要求1所述的方法，其特征在于，所述若根据所述剩余电量，确定所述蓄电池的节能等级发生变化，则向所述站点发送所述蓄电池当前的目标节能等级，包括：
    根据所述剩余电量和所述站点当前的功耗，计算所述蓄电池可以为所述站点供电的剩余备电时长；
    若根据所述剩余备电时长，确定所述蓄电池的节能等级发生变化，则向所述站点发送所述蓄电池当前的目标节能等级。
  3. 根据权利要求1或2所述的方法，其特征在于，所述根据蓄电池所在站点的历史停电告警信息和历史功耗信息，计算所述蓄电池的电池容量，包括：
    根据所述历史停电告警信息和所述历史功耗信息，以及所述站点的历史断站告警信息，计算所述蓄电池的电池容量。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述根据蓄电池所在站点的历史停电告警信息和历史功耗信息，计算所述蓄电池的电池容量，包括：
    根据所述历史停电告警信息，确定所述蓄电池为所述站点供电的最大供电时长；
    根据容量计算公式计算所述电池容量，其中，在所述容量计算公式中：
    所述电池容量与所述最大供电时长正相关，且与所述最大供电时长所对应的功耗正相关；或，
    所述电池容量与所述最大供电时长正相关。
  5. 根据权利要求3所述的方法，其特征在于，所述根据所述历史停电告警信息和所述历史功耗信息，以及所述站点的历史断站告警信息，计算所述蓄电池的电池容量，包括：
    根据所述历史停电告警信息和所述历史断站告警信息，确定所述蓄电池为所述站点供电的最大供电时长；
    根据容量计算公式计算所述电池容量，其中，在所述容量计算公式中：
    所述电池容量与所述最大供电时长正相关，且与所述最大供电时长所对应的功耗正相关；或，
    所述电池容量与所述最大供电时长正相关。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述根据蓄电池所在站点的历史停电告警信息和历史功耗信息，计算所述蓄电池的电池容量，包括：
    根据所述历史停电告警信息和所述历史功耗信息，以及老化系数，计算所述蓄电池的 电池容量。
  7. 根据权利要求1至6中任一项所述的方法，其特征在于，所述蓄电池包括：
    铅酸电池和/或锂电池。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述站点为通信基站、服务器、机房中的至少一项。
  9. 一种控制设备，其特征在于，所述控制设备包括处理器和通信接口；
    所述处理器用于：
    根据蓄电池所在站点的历史停电告警信息和历史功耗信息，计算所述蓄电池的电池容量；
    若所述站点发生停电，则根据所述站点的实际功耗、停电时长和所述电池容量，计算所述蓄电池的剩余电量；
    所述通信接口用于：
    若根据所述剩余电量，确定所述蓄电池的节能等级发生变化，则向所述站点发送所述蓄电池当前的目标节能等级，以使得所述站点采取与所述目标节能等级对应的节电策略，降低所述站点的功耗。
  10. 根据权利要求9所述的控制设备，其特征在于，所述处理器还用于：根据所述剩余电量和所述站点当前的功耗，计算所述蓄电池可以为所述站点供电的剩余备电时长；
    所述通信接口具体用于：若根据所述剩余备电时长，确定所述蓄电池的节能等级发生变化，则向所述站点发送所述蓄电池当前的目标节能等级。
  11. 根据权利要求9或10所述的控制设备，其特征在于，所述处理器具体用于：
    根据所述历史停电告警信息和所述历史功耗信息，以及所述站点的历史断站告警信息，计算所述蓄电池的电池容量。
  12. 根据权利要求9至11中任一项所述的控制设备，其特征在于，所述处理器具体用于：
    根据所述历史停电告警信息，确定所述蓄电池为所述站点供电的最大供电时长；
    根据容量计算公式计算所述电池容量，其中，在所述容量计算公式中：
    所述电池容量与所述最大供电时长正相关，且与所述最大供电时长所对应的功耗正相关；或，
    所述电池容量与所述最大供电时长正相关。
  13. 根据权利要求11所述的控制设备，其特征在于，所述处理器具体用于：
    根据所述历史停电告警信息和所述历史断站告警信息，确定所述蓄电池为所述站点供电的最大供电时长；
    根据容量计算公式计算所述电池容量，其中，在所述容量计算公式中：
    所述电池容量与所述最大供电时长正相关，且与所述最大供电时长所对应的功耗正相关；或，
    所述电池容量与所述最大供电时长正相关。
  14. 根据权利要求9至13中任一项所述的控制设备，其特征在于，所述处理器具体用 于：
    根据所述历史停电告警信息和所述历史功耗信息，以及老化系数，计算所述蓄电池的电池容量。
  15. 根据权利要求9至14中任一项所述的控制设备，其特征在于，所述蓄电池包括：
    铅酸电池和/或锂电池。
  16. 根据权利要求9至15中任一项所述的控制设备，其特征在于，所述站点为通信基站、服务器、机房中的至少一项。
  17. 一种备电系统，其特征在于，所述备电系统包括站点和控制设备；
    所述站点包括电源设备，所述电源设备包括蓄电池；
    所述控制设备在所述蓄电池上、所述电源设备上或所述站点上；
    所述控制设备用于执行权利要求1至8中任一项所述的方法。
  18. 一种备电系统，其特征在于，所述备电系统包括站点、网管设备和回传设备；
    所述网管设备包括控制设备，所述控制设备用于执行权利要求1至8中任一项所述的方法。
  19. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中保存有程序，当计算机执行所述程序时，执行如权利要求1至8中任一项所述的方法。
  20. 一种计算机程序产品，其特征在于，当所述计算机程序产品在计算机上执行时，所述计算机执行如权利要求1至8中任一项所述的方法。
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