CN113193638A - Power supply control method, device, equipment and storage medium - Google Patents

Power supply control method, device, equipment and storage medium Download PDF

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Publication number
CN113193638A
CN113193638A CN202110490991.6A CN202110490991A CN113193638A CN 113193638 A CN113193638 A CN 113193638A CN 202110490991 A CN202110490991 A CN 202110490991A CN 113193638 A CN113193638 A CN 113193638A
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CN
China
Prior art keywords
power
load
battery pack
load equipment
power supply
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Granted
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CN202110490991.6A
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Chinese (zh)
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CN113193638B (en
Inventor
王一帆
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China United Network Communications Group Co Ltd
China Information Technology Designing and Consulting Institute Co Ltd
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China United Network Communications Group Co Ltd
China Information Technology Designing and Consulting Institute Co Ltd
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Priority to CN202110490991.6A priority Critical patent/CN113193638B/en
Publication of CN113193638A publication Critical patent/CN113193638A/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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the 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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The application discloses a power supply control method, a power supply control device, power supply equipment and a storage medium, relates to the field of power equipment, and can avoid overlong power-off time of base station equipment. The power supply control method comprises the following steps: acquiring the output power of a power generation device, the output voltage of a storage battery pack, the power of first load equipment and the power of second load equipment; and under the condition that the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is greater than the total power of the load equipment, controlling the storage battery pack to stop supplying power to the first load equipment, and continuing supplying power to the first load equipment by the power generation device. Compared with the prior art, according to the scheme of the application, when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, the power generation device can continuously supply power to the first load equipment (such as the base station equipment), so that the situation that the power-off time of the first load equipment is too long can be avoided.

Description

Power supply control method, device, equipment and storage medium
Technical Field
The present application relates to the field of power equipment, and in particular, to a power supply control method, apparatus, device, and storage medium.
Background
At present, new energy power generation technology (e.g., photovoltaic power generation technology) is widely applied in the communication industry.
For example, when the utility power is normal, the utility power can be used to supply power to the base station equipment and the transmission equipment. When the commercial power is cut off, the storage battery and the photovoltaic power generation equipment can supply power for the base station equipment and the transmission equipment. When the output voltage of the storage battery pack is less than or equal to the power-down voltage of the base station equipment, in order to ensure the normal operation of the transmission equipment, the base station equipment is controlled to power down (namely the storage battery pack and the photovoltaic power generation equipment stop supplying power to the base station equipment), and power is continuously supplied to the transmission equipment.
However, in the case that the output voltage of the storage battery pack is less than the power-down voltage of the base station device, if the photovoltaic power generation device has the capability of supplying power to the base station device and the transmission device, and the base station device is powered down, the power-down time of the base station device is too long.
Disclosure of Invention
The application provides a power supply control method, a power supply control device, power supply equipment and a storage medium, which can avoid overlong power-off time of base station equipment.
In order to achieve the purpose, the technical scheme is as follows:
in a first aspect, the present application provides a power supply control method, applied to a power supply system, where the power supply system includes a power generation device, a storage battery pack, and a load device, where the power generation device is connected in parallel with the storage battery pack, and the power generation device and the storage battery pack are used to supply power to the load device; the load device comprises a first load device and a second load device, wherein the power-down voltage of the first load device is different from the power-down voltage of the second load device; the method comprises the following steps: acquiring the output power of the power generation device, the output voltage of the storage battery pack, the power of the first load equipment and the power of the second load equipment; when the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is greater than the total power of the load equipment, controlling the storage battery pack to stop supplying power to the first load equipment and continuously supplying power to the first load equipment by the power generation device; wherein the total power of the load devices is the sum of the power of the first load device and the power of the second load device.
According to the scheme of the application, when the output voltage of the storage battery pack is smaller than or equal to the power-down voltage of the first load equipment, the first load equipment is not directly powered down, whether the power generation device can meet the power supply requirements of the first load equipment and the second load equipment is further judged, the power supply requirements of the first load equipment and the second load equipment can be met at the output power of the power generation device, and the power generation device continues to supply power to the first load equipment. Compared with the prior art that power supply to the base station equipment is stopped when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, the power generation device can continuously supply power to the first load equipment (such as the base station equipment) when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, and therefore the situation that the power-off time of the first load equipment is too long can be avoided.
With reference to the first aspect, in a possible implementation manner, the method further includes: and controlling the power generation device and the storage battery pack to stop supplying power to the first load equipment when the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is less than or equal to the total power of the load equipment.
Based on the scheme, when the output voltage of the storage battery pack is smaller than or equal to the power-down voltage of the first load equipment, the first load equipment is not directly powered down, but whether the power generation device can meet the power supply requirements of the first load equipment and the second load equipment is further judged, and when the power generation device cannot meet the power supply requirements of the first load equipment and the second load equipment, the power supply control device controls the first load equipment to be powered down, namely the power generation device and the storage battery pack stop supplying power to the first load equipment. Compared with the prior art that the power supply to the base station equipment is stopped when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, the power generation device can continue to supply power to the first load equipment when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, and therefore the power-off time of the first load equipment can be avoided being too long.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, in a case where the power generation device and the battery pack stop supplying power to the first load device, the method further includes: if the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment, the output voltage of the storage battery pack is greater than the power-down voltage of the second load equipment, and the output power of the power generation device is greater than the total power of the load equipment, controlling the power generation device to supply power to the first load equipment; wherein a power-down voltage of the first load device is greater than a power-down voltage of the second load device.
Based on the scheme, under the condition that the power generation device and the storage battery pack stop supplying power to the first load equipment, whether the power generation device can meet the power supply requirements of the first load equipment and the second load equipment is judged, and when the power generation device can meet the power supply requirements of the first load equipment and the second load equipment, the power supply control device controls the power generation device to supply power to the first load equipment, so that the overlong power-off time of the first load equipment can be avoided.
In a second aspect, the present application provides a power supply control device, which is applied to a power supply system, where the power supply system includes a power generation device, a storage battery pack and a load device, the power generation device, the storage battery pack and the load device are all connected to the power supply control device, the power generation device is connected in parallel to the storage battery pack, and the power generation device and the storage battery pack are used to supply power to the load device; the load device comprises a first load device and a second load device, wherein the power-down voltage of the first load device is different from the power-down voltage of the second load device; the power supply control device includes: an acquisition unit configured to acquire output power of the power generation apparatus, output voltage of the battery pack, power of the first load device, and power of the second load device; a control unit, configured to control the battery pack to stop supplying power to the first load device and the power generation device to continue supplying power to the first load device when an output voltage of the battery pack is less than or equal to a power-down voltage of the first load device and an output power of the power generation device is greater than a total power of the load devices; wherein the total power of the load devices is the sum of the power of the first load device and the power of the second load device.
According to the scheme of the application, when the output voltage of the storage battery pack is smaller than or equal to the power-down voltage of the first load equipment, the first load equipment is not directly powered down, whether the power generation device can meet the power supply requirements of the first load equipment and the second load equipment is further judged, the power supply requirements of the first load equipment and the second load equipment can be met at the output power of the power generation device, and the power generation device continues to supply power to the first load equipment. Compared with the prior art that power supply to the base station equipment is stopped when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, the power generation device can continuously supply power to the first load equipment (such as the base station equipment) when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, and therefore the situation that the power-off time of the first load equipment is too long can be avoided.
With reference to the second aspect, in a possible implementation manner, the control unit is further configured to: and controlling the power generation device and the storage battery pack to stop supplying power to the first load equipment when the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is less than or equal to the total power of the load equipment.
Based on the scheme, when the output voltage of the storage battery pack is smaller than or equal to the power-down voltage of the first load equipment, the first load equipment is not directly powered down, but whether the power generation device can meet the power supply requirements of the first load equipment and the second load equipment is further judged, when the output power of the power generation device is smaller than or equal to the power of the first load equipment and the power of the second load equipment, namely, the power generation device cannot meet the power supply requirements of the first load equipment and the second load equipment, the power supply control device controls the first load equipment to be powered down, namely, the power generation device and the storage battery pack stop supplying power to the first load equipment. Compared with the prior art that the power supply to the base station equipment is stopped when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, the power generation device can continue to supply power to the first load equipment when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, and therefore the power-off time of the first load equipment can be avoided being too long.
With reference to the second aspect and the foregoing possible implementation manners, in another possible implementation manner, the control unit is further configured to: and controlling the power generation device and the storage battery pack to stop supplying power to the first load equipment when the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is less than or equal to the total power of the load equipment.
Based on the scheme, under the condition that the power generation device and the storage battery pack stop supplying power to the first load equipment, whether the power generation device can meet the power supply requirements of the first load equipment and the second load equipment is judged, and when the power generation device can meet the power supply requirements of the first load equipment and the second load equipment, the power supply control device controls the power generation device to supply power to the first load equipment, so that the overlong power-off time of the first load equipment can be avoided.
In a third aspect, the present application provides a power supply apparatus that includes a memory and a processor. The memory is coupled to the processor. The memory is for storing computer program code comprising computer instructions. When the processor executes the computer instructions, the power supply apparatus performs the power supply control method as described in the first aspect and any one of its possible design forms.
In a fourth aspect, the present application provides a computer-readable storage medium having instructions stored therein, which when run on a power supply apparatus, cause the power supply apparatus to perform the power supply control method according to the first aspect and any one of its possible design manners.
In a fifth aspect, the present application provides a computer program product comprising computer instructions that, when run on a power supply apparatus, cause the power supply apparatus to perform the power supply control method according to the first aspect and any one of its possible design manners.
For a detailed description of the third to fifth aspects and various implementations thereof in the present application, reference may be made to the detailed description of the first aspect and various implementations thereof; in addition, for the beneficial effects of the third aspect to the fifth aspect and various implementation manners thereof, reference may be made to beneficial effect analysis in the first aspect and various implementation manners thereof, and details are not described here.
These and other aspects of the present application will be more readily apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power supply system according to an embodiment of the present application;
fig. 2 is a first schematic flow chart of a power supply control method according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart illustrating a second power supply control method according to an embodiment of the present application;
fig. 4 is a third schematic flowchart of a power supply control method according to an embodiment of the present application;
fig. 5 is a fourth schematic flowchart of a power supply control method according to an embodiment of the present application;
fig. 6 is a fifth flowchart of a power supply control method according to an embodiment of the present application;
fig. 7 is a schematic hardware structure diagram of a power supply control device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a power supply control device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
At present, new energy power generation technology (such as photovoltaic power generation technology) is widely applied in the communication industry. For example, in a scenario where the base station device and the transmission device are powered, the base station device and the transmission device may be powered by a commercial power, a storage battery, and a photovoltaic power generation device in parallel. Under the condition that the commercial power is normal, the commercial power supplies power for the base station equipment and the transmission equipment. Under the condition of mains supply outage, the storage battery pack and the photovoltaic power generation equipment can supply power for the base station equipment and the transmission equipment. When the output voltage of the storage battery pack is less than or equal to the power-down voltage of the base station equipment, in order to ensure the normal operation of the transmission equipment, the base station equipment can be controlled to power down (namely the storage battery pack and the photovoltaic power generation equipment stop supplying power to the base station equipment), and the storage battery pack and the photovoltaic power generation equipment only continue supplying power to the transmission equipment.
However, in the case that the output voltage of the storage battery pack is smaller than the power-down voltage of the base station device, the photovoltaic power generation device may have the capability of supplying power to the base station device and the transmission device, and in this case, if the base station device is controlled to be powered down, the power-down time of the base station device is too long.
In view of the above problems, the present application provides a power supply control method, which is applied to a power supply system, and is capable of further determining whether a power generation device is capable of continuously supplying power to a first load device (e.g., a base station device) when an output voltage of a storage battery pack is less than or equal to a power-off voltage of the first load device, and when it is determined that the power generation device is capable of continuously supplying power to the first load device, so that an excessively long power-off time of the first load device can be avoided.
For example, the power supply control method provided by the embodiment of the present application may be applied to the power supply system shown in fig. 1. As shown in fig. 1, the power supply system may include a power generation device 11, a battery pack 12, a load device 13, and a power supply control device 14. The power generation device 11, the battery pack 12, and the load device 13 are connected to a power supply control device 14. The power generation device 11 is connected in parallel with the battery pack 12 to supply power to the load device 13. The load device 13 includes a first load device 131 and a second load device 132.
The power generation device 11 and the battery pack 12 are used to supply power to the load device 13. For example, when the commercial power is disconnected, the load device 13 may be supplied with power from the power generation device 11 and the battery pack 12 together, the load device 13 may be supplied with power from only the power generation device 11, or the load device 13 may be supplied with power from only the battery pack 12. In the case of normal mains, the load device 13 is powered by mains.
Further, the power generation device 11 or the battery pack 12 may individually supply power to one or more load devices 13, and the power generation device 11 and the battery pack 12 may simultaneously supply power to one or more load devices 13. For example, the power generation apparatus 11 may supply power to the first load device 131 and the second load device 132 separately. For another example, the power generation device 11 and the battery pack 12 may supply power to the first load apparatus 131 and the second load apparatus 132 at the same time.
Alternatively, the power generation device 11 and the battery pack 12 may be connected to the load device 13 via a switching power supply. The power supply control device 14 may control the power generation device 11 or the battery pack 12 to supply power to the load device 13 or stop supplying power to the load device 13 by controlling the switching power supply to be turned on and off. It is understood that the power generation device 11 and the battery pack 12 may be connected to the load device 13 through a plurality of switching power supplies, and the specific connection manner of the plurality of switching power supplies to the power generation device 11, the battery pack 12 and the load device 13 is not limited in the embodiment of the present application.
Optionally, the power generation device 11 may be a photovoltaic power generation device, a wind power generation device, or another device that generates power by using new energy. This is not limited in the examples of the present application.
Optionally, the power generation device 11 may also be an oil generator.
Alternatively, the power-down voltage of the first load device 131 is different from the power-down voltage of the second load device 132.
Alternatively, the first load device 131 may be a base station device. The base station apparatus is an apparatus for controlling reception and transmission of radio signals, constituting a two-way telephone circuit with the mobile station. Such as baseband processing units, radio frequency units, and antennas.
The power-down voltage of the first load device 131 may be set in advance. For example, when the first load device 131 is a base station device, the lower voltage of the first load device 131 may be 48 volts (V).
When the output voltage of the battery pack 12 is greater than the power-down voltage of the first load device 131, power can be supplied from the battery pack 12 to the first load device 131; when the output voltage of the secondary battery pack 12 is less than or equal to the pull-down voltage of the first load device 131, the secondary battery pack 12 may stop supplying power to the first load device 131.
Alternatively, the second load device 132 may be a transmission device. The transmission equipment is the equipment for realizing the extension of the transmission distance and the long-distance communication. For example, the transmission device may include a switch, a communication line connecting the switch and the switch.
The power-down voltage of the second load device 132 may be preset. For example, when the second load device 132 is a transmission device, the power-down voltage of the second load device 132 may be 43.2V.
When the output voltage of the battery pack 12 is greater than the power-down voltage of the second load device 132, the battery pack 12 may supply power to the second load device 132; when the output voltage of the battery pack 12 is less than or equal to the pull-down voltage of the second load device 132, the battery pack 12 may stop supplying power to the second load device 132.
Illustratively, when the first load device 121 is a base station device and the second load device 122 is a transmission device, the power-down voltage of the base station device is 48 volts (V) and the power-down voltage of the transmission device is 43.2V. That is, when the output voltage of the battery pack 12 is greater than 48V, the battery pack 12 supplies power to the base station device and the transmission device; when the output voltage of the battery pack 12 is less than or equal to 48V and the output voltage of the battery pack 12 is greater than 43.2V, the battery pack 12 stops supplying power to the base station equipment, and the battery pack 12 supplies power to the transmission equipment; when the output voltage of the secondary battery pack 12 is less than or equal to 43.2V, the secondary battery pack 12 stops supplying power to the base station apparatus and the transmission apparatus.
It should be noted that the first load device 131 may be a base station device or a transmission device, and the second load device 132 may be a base station device or a transmission device, which is not limited in this embodiment of the present application. When the first load device 131 is a base station device, the second load device 132 is a transmission device, and when the first load device 131 is a transmission device, the second load device 132 is a base station device.
In the embodiment of the present application, only the first load device 131 is taken as a base station device, and the second load device 132 is taken as a transmission device for example, to illustrate, that is, the power-down voltage of the first load device 131 is greater than the power-down voltage of the second load device 132.
And a power supply device 14 for acquiring the output power of the power generation device 11, the output voltage of the battery pack 12, the power of the first load device 131, and the power of the second load device 132, and determining whether the power generation device 11 and the battery pack 12 stop supplying power to the first load device 131 according to the output power of the power generation device 11, the output voltage of the battery pack 12, the power of the first load device 131, and the power of the second load device 132.
The following describes a power supply control method according to an embodiment of the present application. The execution main body of the power supply control method provided by the embodiment of the application can be the power supply control device.
As shown in fig. 2, a power supply control method provided in an embodiment of the present application includes:
s201, the power supply control device obtains output power of the power generation device, output voltage of the storage battery pack, power of the first load device and power of the second load device.
Optionally, the power supply control device may receive power information from the power generation device, where the power information includes output power of the power generation device, and the power supply control device may also collect output voltage of the power generation device and output current of the power generation device, and determine the output power of the power generation device according to the output voltage of the power generation device and the output current of the power generation device. This is not limited in the examples of the present application.
Optionally, the power supply control device may acquire voltage information of the storage battery pack, where the voltage information includes output voltage of the storage battery pack, and the power supply control device may also acquire the output voltage of the storage battery pack. This is not limited in the examples of the present application.
Optionally, the power supply control device may receive power information from the first load device, where the power information of the first load device may include power of the first load device, and the power supply control device may also collect voltage of the first load device and current of the first load device, and determine the power of the first load device according to the voltage of the first load device and the current of the first load device. This is not limited in the examples of the present application.
Optionally, the power supply control device may receive power information from the second load device, where the power information of the second load device may include power of the second load device, and the power supply control device may also collect voltage of the second load device and current of the second load device, and determine the power of the second load device according to the voltage of the second load device and the current of the second load device.
Optionally, after obtaining the power of the first load device and the power of the second load device, the power supply control device may determine the total power of the load devices according to the power of the first load device and the power of the second load device, where the total power of the load devices is the sum of the power of the first load device and the power of the second load device.
S202, the power supply control device determines whether the storage battery pack and the power generation device can continuously supply power to the first load equipment according to the output power of the power generation device, the output voltage of the storage battery pack, the power of the first load equipment and the power of the second load equipment.
Optionally, before S202, the power supply control device may further determine whether the commercial power is normal, and when the power supply control device determines that the commercial power is normal, the commercial power supplies power to the load device, and the power supply control device may control the storage battery to be in a standby state, and at the same time, the power supply control device may control the power generation device to charge the storage battery. In the case where the power supply control device determines that the commercial power is disconnected, the power supply control device executes S202 to further determine whether the battery pack and the power generation device can continue to supply power to the first load device.
Optionally, in a case that the power supply control device determines that the storage battery pack cannot continue to supply power to the first load device, and the power generation device can continue to supply power to the first load device, the following S203 is continuously performed; in a case where the power supply control means determines that the secondary battery pack and the power generation means cannot continue to supply power to the first load device, the following S204 is continuously performed; in a case where the power supply means determines that the secondary battery pack and the power generation means can continue to supply power to the first load device, S205 described below is continuously performed.
Optionally, with reference to fig. 2, as shown in fig. 3, the S202 includes S2021-S2022.
S2021, the power supply control device determines whether the output voltage of the battery pack is less than or equal to the power-down voltage of the first load device.
In the case where the power supply control means determines that the output voltage of the secondary battery pack is less than or equal to the power-off voltage of the first load device, S2022 is continued; in the case where the power supply control means determines that the output voltage of the secondary battery pack is greater than the power-off voltage of the first load device, the above-described S205 is continuously executed.
S2022, the power supply control device determines whether the output power of the power generation device is greater than the total power of the load device.
The total power of the load devices is the sum of the power of the first load device and the power of the second load device.
Optionally, in a case that the power supply control device determines that the output power of the power generation device is greater than the total power of the load device, continuing to execute S203; in the case where the power supply control means determines that the output power of the power generation means is less than or equal to the total power of the load devices, S204 is continuously executed.
In the case where the power supply control means determines that the output voltage of the secondary battery pack is less than or equal to the power-down voltage of the first load device and the output power of the power generation means is greater than the total power of the load devices, the following S203 is continuously executed. In the case where the power supply control means determines that the output voltage of the secondary battery pack is less than or equal to the power-down voltage of the first load device and the output power of the power generation means is less than or equal to the total power of the load devices, S204 described below is continued. In the case where the power supply apparatus determines that the output voltage of the secondary battery pack is greater than the power-down voltage of the first load device, S205 described below is continuously performed.
And S203, the power supply control device controls the storage battery pack to stop supplying power to the first load equipment, and the power generation device continues supplying power to the first load equipment.
Optionally, the power supply control device controls the storage battery pack to stop supplying power to the first load device, and the power generation device may also control the power generation device to supply power to the second load device while continuing to supply power to the first load device.
Optionally, the power supply control device controls the storage battery pack to stop supplying power to the first load device, and the power generation device may also control the power generation device to charge the storage battery pack while continuing to supply power to the first load device.
It can be seen that, according to the scheme of the application, when the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load device, the first load device is not directly powered down, but whether the power generation device can meet the power supply requirements of the first load device and the second load device is further judged, and when the output power of the power generation device is greater than the power of the first load device and the power of the second load device, that is, the output power of the power generation device can meet the power supply requirements of the first load device and the second load device, the power generation device continues to supply power to the first load device. Compared with the prior art that the power supply to the base station equipment is stopped when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, the power generation device can continue to supply power to the first load equipment when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, and therefore the power-off time of the first load equipment can be avoided being too long.
And S204, the power supply control device controls the power generation device and the storage battery pack to stop supplying power to the first load equipment.
Optionally, the power supply control device may control the power generation device to charge the storage battery pack while controlling the storage battery pack and the power generation device to stop supplying power to the first load device.
Alternatively, the power supply control means may control the secondary battery and the power generation means to stop supplying power to the first load device while the power supply control means may supply power to the second load device by at least one of the secondary battery or the power generation means.
According to the scheme of the application, when the output voltage of the storage battery pack is smaller than or equal to the power-down voltage of the first load equipment, the first load equipment is not directly powered down, whether the power generation device can meet the power supply requirements of the first load equipment and the second load equipment is further judged, and when the power generation device cannot meet the power supply requirements of the first load equipment and the second load equipment, the power supply control device controls the first load equipment to be powered down, namely the power generation device and the storage battery pack stop supplying power to the first load equipment. Compared with the prior art that the power supply to the base station equipment is stopped when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, the power generation device can continue to supply power to the first load equipment when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, and therefore the power-off time of the first load equipment can be avoided being too long.
And S205, the power supply control device determines that the storage battery and the power generation device continue to supply power to the first load equipment and the second load equipment.
Optionally, after the above S205, the power supply control method provided in the embodiment of the application may continue to execute 201 and 202.
Optionally, with reference to fig. 2, as shown in fig. 4, in a case where the power generation device and the battery pack stop supplying power to the first load device (i.e., the first load device is powered off), the power supply control method provided in the embodiment of the present application further includes S206 to S208.
S206, the power supply control device determines whether the power generation device can supply power to the first load device.
Alternatively, the power supply control means may determine whether the power generation means can supply power to the first load device, based on the output power of the power generation means, the output voltage of the secondary battery pack, the power of the first load device, and the power of the second load device.
Optionally, when the power supply control device determines that the power generation device can supply power to the first load device, continuing to S207; when the power supply control means determines that the power generation means cannot supply power to the first load device, S208 is continued.
Optionally, in conjunction with fig. 4, as shown in fig. 5, S206 includes S2061 to S2065.
S2061, the power supply control device determines whether the output voltage of the secondary battery pack is less than or equal to the power-down voltage of the first load device.
Alternatively, when the power supply control device determines that the output voltage of the secondary battery is greater than the power-down voltage of the first load device, the following S2062 may be continuously executed; when the power supply control means determines that the output voltage of the secondary battery pack is less than or equal to the power-down voltage of the first load device, S2063 described below may be continuously executed.
And S2062, the power supply control device controls the storage battery pack and the power generation device to supply power to the first load equipment.
Optionally, the power supply control device may control the storage battery pack and the power generation device to supply power to the second load device while the power supply control device controls the storage battery pack and the power generation device to supply power to the first load device.
S2063, the power supply control device determines whether the output voltage of the secondary battery pack is greater than the power-down voltage of the second load device.
Alternatively, when the power supply control device determines that the output voltage of the secondary battery is less than or equal to the power-down voltage of the second load device, the following S2064 may be continuously executed; when the power supply control means determines that the output voltage of the secondary battery pack is greater than the power-down voltage of the second load device, S2065 described below may be continuously executed.
S2064, the power supply control device determines that the battery pack continues to stop supplying power to the second load device.
Alternatively, the power supply control means may control the power generation means to supply power to the second load device while the power supply control means determines that the storage battery pack continues to stop supplying power to the second load device.
Alternatively, the power supply control device may control the power generation device to charge the secondary battery pack while the secondary battery pack continues to stop supplying power to the second load device.
S2065, the power supply control device determines whether the output power of the power generation device is greater than the total power of the load device.
Optionally, in a case that the power supply control device determines that the output power of the power generation device is greater than the total power of the load device, continuing to execute S207; in the case where the power supply control means determines that the output power of the power generation means is less than or equal to the total power of the load devices, S208 is continuously executed.
Optionally, in the embodiment of the present application, the execution sequence of S2061 to S2065 is not limited, and fig. 5 is only an exemplary illustration. For example, the power supply control device may perform S2063 and then S2061.
And S207, controlling the power generation device to supply power to the first load equipment by the power supply control device.
Optionally, while the power supply control device controls the power generation device to supply power to the first load device, the power supply control device may control the storage battery pack to supply power to the second load device.
Optionally, when the power supply control device controls the power generation device to supply power to the first load device, the power supply control device may also control the power generation device to supply power to the second load device.
Optionally, when the power supply control device controls the power generation device to supply power to the first load device, the power supply control device may also control the power generation device to charge the storage battery pack.
According to the scheme, under the condition that the power generation device and the storage battery pack stop supplying power to the first load equipment, whether the power generation device can meet the power supply requirements of the first load equipment and the second load equipment is judged, when the output power of the power generation device is larger than the power of the first load equipment and the power of the second load equipment, namely the power generation device can meet the power supply requirements of the first load equipment and the second load equipment, the power supply control device controls the power generation device to supply power to the first load equipment, and therefore the situation that the power failure time of the first load equipment is too long can be avoided.
It should be noted that, when the utility power is restored or the power is supplied by the oil generator, the power supply control device may determine whether the output voltage of the utility power is restored or the output voltage of the oil generator is greater than the power-on voltage of the first load device, and when the power supply control device determines that the output voltage of the utility power is restored or the output voltage of the oil generator is greater than the power-on voltage of the first load device, the power supply control device may control the utility power or the oil generator to supply power to the first load device.
Optionally, the power-on voltage of the first load device may be a sum of the power-off voltage of the first load device and the first preset voltage. The first preset voltage may be set according to actual conditions, and the embodiment of the present application does not limit this.
This application is through setting up first preset voltage, can prevent because the output voltage of oil generator is unstable, causes first load equipment's the electric from top to bottom repeatedly.
Optionally, when the power supply control device controls the commercial power or the oil generator to supply power to the first load device, the power supply control device may also control the commercial power or the oil generator to supply power to the second load device.
And S208, the power supply control device determines that the power generation device and the storage battery pack continue to stop supplying power to the first load equipment.
Optionally, when the power supply control device controls the battery pack and the power generation device to continue to stop supplying power to the first load device, the power supply control device may control the battery pack and the power generation device to stop supplying power to the second load device, or may control the battery pack and the power generation device to continue supplying power to the second load device.
Optionally, with reference to fig. 2, as shown in fig. 6, the power supply control method provided in the embodiment of the present application further includes S209 to S211 after S203.
And S209, the power supply control device determines whether the output voltage of the storage battery pack is less than or equal to the power-down voltage of the second load equipment.
Alternatively, in the case where the power supply control means determines that the output voltage of the secondary battery pack is less than or equal to the power-off voltage of the first load device and the second load device has been powered off, the power supply control means may control the secondary battery pack to supply power to the second load device.
Alternatively, in a case where the power supply control means determines that the output voltage of the secondary battery pack is less than or equal to the power-down voltage of the first load device and the second load device is not powered down, the power supply control means may determine that the secondary battery pack continues to supply power to the second load device.
Optionally, in a case where the power supply control device determines that the output voltage of the battery pack is less than or equal to the power-off voltage of the first load device, S209 continues; in the case where the power supply control means determines that the output voltage of the secondary battery pack is greater than the power-down voltage of the second load device, S210 is continuously performed.
And S210, the power supply control device controls the storage battery pack to stop supplying power to the second load equipment.
Alternatively, the power supply control device may control the power generation device to supply power to the second load device while the power supply control device controls the battery pack to stop supplying power to the second load device.
Alternatively, the power supply control device may control the power generation device to charge the secondary battery pack while the power supply control device controls the secondary battery pack to stop supplying power to the second load device.
And under the condition that the output voltage of the storage battery pack is less than or equal to the power-off voltage of the first load equipment, the storage battery pack is controlled to stop supplying power to the second load equipment, so that the storage battery pack can be prevented from being damaged due to too low voltage of the storage battery pack.
Optionally, after the power supply control device controls the battery pack to stop supplying power to the second load device, the power supply control device may further determine whether an output voltage of the battery pack is greater than a power-on voltage of the second load device. Under the condition that the power supply control device determines that the output voltage of the storage battery pack is greater than the power-on voltage of the second load equipment, the power supply control device can control the storage battery pack to supply power to the second load equipment; in the case where the power supply control means determines that the output voltage of the secondary battery is less than or equal to the power-on voltage of the second load device, the power supply control means may control the secondary battery to continue to stop supplying power to the second load device.
Optionally, the power-on voltage of the second load device may be a sum of the power-off voltage of the second load device and a second preset voltage. The second preset voltage may be determined according to actual conditions, and the embodiment of the present application does not limit this.
By setting the second preset voltage, the second load device can be prevented from being repeatedly powered on and off due to the fact that the output voltage of the storage battery pack is unstable.
And S211, the power supply control device determines that the storage battery pack continues to supply power to the second load equipment.
Optionally, the power supply control device may control the power generation device to supply power to the second load device while the power supply control device controls the storage battery to continue to supply power to the second load device.
Optionally, the power supply control device may control the power generation device to charge the storage battery pack while the power supply control device controls the storage battery pack to continue to supply power to the second load device.
Optionally, after the step S204, the power supply control method provided in this embodiment of the present application may further include the power supply control device determining whether the output voltage of the battery pack is greater than a power-on voltage of the second load device, and controlling, by the power supply control device, the battery pack to supply power to the second load device when the power supply control device determines that the output voltage of the battery pack is greater than the power-on voltage of the second load device; and when the power supply control device determines that the output voltage of the storage battery pack is less than or equal to the power-on voltage of the second load equipment, the power supply control device determines that the storage battery pack continues to stop supplying power to the second load equipment.
According to the scheme of the application, when the output voltage of the storage battery pack is smaller than or equal to the power-down voltage of the first load equipment, the first load equipment is not directly powered down, whether the power generation device can meet the power supply requirements of the first load equipment and the second load equipment is further judged, the power supply requirements of the first load equipment and the second load equipment can be met at the output power of the power generation device, and the power generation device continues to supply power to the first load equipment. Compared with the prior art that power supply to the base station equipment is stopped when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, the power generation device can continuously supply power to the first load equipment (such as the base station equipment) when the voltage of the storage battery pack is smaller than the power-down voltage of the base station equipment, and therefore the situation that the power-off time of the first load equipment is too long can be avoided.
The scheme provided by the embodiment of the application is mainly introduced from the perspective of a method. To implement the above functions, it includes hardware structures and/or software modules for performing the respective functions. Those of skill in the art would readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
As shown in fig. 7, an embodiment of the present application provides a power supply apparatus 700. The power supply apparatus may include at least one processor 701, a communication line 702, a memory 703, and a communication interface 704.
Specifically, the processor 701 is configured to execute computer-executable instructions stored in the memory 703, so as to implement steps or actions of the terminal.
The processor 701 may be a chip. For example, the Field Programmable Gate Array (FPGA) may be an Application Specific Integrated Circuit (ASIC), a system on chip (SoC), a Central Processing Unit (CPU), a Network Processor (NP), a digital signal processing circuit (DSP), a Micro Controller Unit (MCU), a Programmable Logic Device (PLD) or other integrated chips.
A communication line 702 for transmitting information between the processor 701 and the memory 703.
The memory 703 is used for storing and executing computer-executable instructions, and is controlled by the processor 701 to execute.
The memory 703 may be separate and coupled to the processor via a communication line 702. The memory 703 may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example, and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM). It should be noted that the memory of the systems and devices described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
A communication interface 704 for communicating with other devices or a communication network. The communication network may be an ethernet, a Radio Access Network (RAN), or a Wireless Local Area Network (WLAN).
It is noted that the configuration shown in fig. 7 does not constitute a limitation of the power supply apparatus, and the power supply apparatus may include more or less components than those shown in fig. 7, or combine some components, or a different arrangement of components, in addition to the components shown in fig. 7.
As shown in fig. 8, the present embodiment provides a power supply control device 80. The power supply control device 80 may include an acquisition unit 81 and a control unit 82.
An obtaining unit 81 is used for obtaining the output power of the power generation device, the output voltage of the storage battery pack, the power of the first load device, and the power of the second load device. For example, in conjunction with fig. 2, the obtaining unit 81 may be configured to execute S201.
And the control unit 82 is used for controlling the storage battery pack to stop supplying power to the first load equipment and the power generation device to continue supplying power to the first load equipment under the condition that the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is greater than the total power of the load equipment. For example, in conjunction with fig. 2, the control unit 82 may be configured to perform step S203.
In practical implementation, the obtaining unit 81 and the control unit 82 may be implemented by the processor 701 shown in fig. 7 calling the program code in the memory 703. For a specific implementation process, reference may be made to the description of the power supply control method portion shown in fig. 2, and details are not described here.
It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Another embodiment of the present application further provides a computer-readable storage medium, where computer instructions are stored in the computer-readable storage medium, and when the computer instructions are executed on a power supply apparatus, the power supply apparatus is caused to perform the steps performed by the power supply apparatus in the method flow shown in the foregoing method embodiment.
In another embodiment of the present application, a computer program product is also provided, which includes instructions that, when executed on a power supply apparatus, cause the power supply apparatus to perform the steps performed by the power supply apparatus in the method flow shown in the above-mentioned method embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (8)

1. A power supply control method is characterized by being applied to a power supply system, wherein the power supply system comprises a power generation device, a storage battery pack and load equipment, the power generation device is connected with the storage battery pack in parallel, and the power generation device and the storage battery pack are used for supplying power to the load equipment; the load equipment comprises first load equipment and second load equipment, and the power-down voltage of the first load equipment is different from the power-down voltage of the second load equipment; the method comprises the following steps:
acquiring the output power of the power generation device, the output voltage of the storage battery pack, the power of the first load equipment and the power of the second load equipment;
under the condition that the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is greater than the total power of the load equipment, controlling the storage battery pack to stop supplying power to the first load equipment, and continuing supplying power to the first load equipment by the power generation device; wherein the total power of the load devices is a sum of the power of the first load device and the power of the second load device.
2. The power supply control method according to claim 1, characterized by further comprising:
and under the condition that the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is less than or equal to the total power of the load equipment, controlling the power generation device and the storage battery pack to stop supplying power to the first load equipment.
3. The power supply control method according to claim 2, wherein in a case where the power generation device and the secondary battery pack stop supplying power to the first load device, the method further comprises:
if the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment, the output voltage of the storage battery pack is greater than the power-down voltage of the second load equipment, and the output power of the power generation device is greater than the total power of the load equipment, controlling the power generation device to supply power to the first load equipment; wherein a power-down voltage of the first load device is greater than a power-down voltage of the second load device.
4. A power supply control device is characterized by being applied to a power supply system, wherein the power supply system comprises a power generation device, a storage battery pack and load equipment, the power generation device, the storage battery pack and the load equipment are all connected with the power supply control device, the power generation device is connected with the storage battery pack in parallel, and the power generation device and the storage battery pack are used for supplying power to the load equipment; the load equipment comprises first load equipment and second load equipment, and the power-down voltage of the first load equipment is different from the power-down voltage of the second load equipment; the power supply control device includes:
an acquisition unit configured to acquire output power of the power generation apparatus, output voltage of the storage battery pack, power of the first load device, and power of the second load device;
the control unit is used for controlling the storage battery pack to stop supplying power to the first load equipment and the power generation device to continue supplying power to the first load equipment under the condition that the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is greater than the total power of the load equipment; wherein the total power of the load devices is a sum of the power of the first load device and the power of the second load device.
5. The power supply control device according to claim 4, wherein the control unit is further configured to:
and under the condition that the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment and the output power of the power generation device is less than or equal to the total power of the load equipment, controlling the power generation device and the storage battery pack to stop supplying power to the first load equipment.
6. The power supply control device according to claim 5, wherein in a case where the power generation device and the secondary battery pack stop supplying power to the first load apparatus, the control unit is further configured to:
if the output voltage of the storage battery pack is less than or equal to the power-down voltage of the first load equipment, the output voltage of the storage battery pack is greater than the power-down voltage of the second load equipment, and the output power of the power generation device is greater than the total power of the load equipment, controlling the power generation device to supply power to the first load equipment; wherein a power-down voltage of the first load device is greater than a power-down voltage of the second load device.
7. A power supply control apparatus characterized in that the power supply control apparatus includes a memory and a processor; the memory and the processor are coupled; the memory for storing computer program code, the computer program code comprising computer instructions; the power supply control device executes the power supply control method according to any one of claims 1 to 3 when the processor executes the computer instructions.
8. A computer-readable storage medium having stored therein instructions that, when run on a power supply control apparatus, cause the power supply control apparatus to execute the power supply control method according to any one of claims 1 to 3.
CN202110490991.6A 2021-05-06 2021-05-06 Power supply control method, device, equipment and storage medium Active CN113193638B (en)

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