CN-121332692-B - Power supply control method, device, equipment and storage medium

CN121332692BCN 121332692 BCN121332692 BCN 121332692BCN-121332692-B

Abstract

The application relates to a power supply control method, a device, equipment and a storage medium. The method comprises the steps of obtaining global power consumption corresponding to a refrigerating system and photovoltaic power generation corresponding to a photovoltaic panel, wherein the global power consumption comprises regional power consumption corresponding to each working region of the refrigerating system service, reading regional priorities corresponding to the working regions when the global power consumption is larger than the photovoltaic power generation, determining power distribution types corresponding to the working regions according to the regional priorities and the regional power consumption corresponding to the working regions and the photovoltaic power generation corresponding to the photovoltaic panel, and classifying and distributing air conditioning units arranged in each working region according to the power distribution types corresponding to the working regions, wherein the electric quantity distributed to the working regions with high regional priorities is larger than or equal to the electric quantity distributed to the working regions with low regional priorities. The application preferentially guarantees the electricity consumption requirement of the key load in the high-priority working area.

Inventors

JIAO HUACHAO
ZHU FENGQI
JIN MENGMENG
SHEN CHUANTAO
BAI YUJIE
LEI QINHUI

Assignees

珠海格力节能环保制冷技术研究中心有限公司

Dates

Publication Date: 20260508
Application Date: 20251215

Claims (10)

1. A power supply control method, characterized by comprising: The method comprises the steps of obtaining global power consumption corresponding to a refrigerating system and photovoltaic power generation corresponding to a photovoltaic panel, wherein the global power consumption comprises regional power consumption corresponding to each working region of the refrigerating system service; when the global power consumption is larger than the photovoltaic power generation amount, reading the regional priorities corresponding to the working regions respectively; determining the distribution type corresponding to each working area according to the area priority and the area power consumption corresponding to each working area and the photovoltaic power generation amount corresponding to the photovoltaic panel; Classifying and distributing power for the air conditioning units arranged in each working area according to the power distribution type corresponding to each working area, wherein the power quantity distributed for the working area with high area priority is larger than or equal to the power quantity distributed for the working area with low area priority; The determining the distribution type corresponding to each working area according to the area priority and the area power consumption corresponding to each working area and the photovoltaic power generation amount corresponding to the photovoltaic panel comprises the following steps: Sequentially selecting one working area as a target area and taking the area priority of the target area as a target priority, starting from the working area with the lowest area priority; after each time of selecting the target area, determining the sum of the power consumption according to the power consumption of the area corresponding to each working area with the area priority above the target priority; And under the condition that the photovoltaic power generation amount is larger than the sum of the power consumption amounts, determining that the power distribution type corresponding to each working area with the area priority above the target priority is a full power supply type, determining that the power distribution type corresponding to the target area is a half power supply type, and determining that the power distribution type corresponding to each working area with the area priority below the target priority is a stop power supply type.
2. The method according to claim 1, wherein the classifying and distributing the air conditioning units set in each working area according to the distribution type corresponding to each working area respectively includes: And stopping power distribution for the air conditioning units arranged in each working area according to the power distribution type which is the power outage type.
3. The method according to claim 1, wherein the classifying and distributing the air conditioning units set in each working area according to the distribution type corresponding to each working area respectively includes: Aiming at each working area with a power distribution type of a full power supply type, acquiring the corresponding environment temperature of the working area, and the corresponding current parameter data and historical operation data of each air conditioning unit arranged in the working area; And determining the required power consumption corresponding to the air conditioning units according to the environment temperature corresponding to the working area, the historical operation data and the current parameter data corresponding to the air conditioning units, and distributing power to the air conditioning units according to the required power consumption corresponding to the air conditioning units.
4. The method according to claim 1, wherein the classifying and distributing the air conditioning units set in each working area according to the distribution type corresponding to each working area respectively includes: Aiming at each working area with a power distribution type of a half-supply type, acquiring the corresponding environment temperature of the working area, and the corresponding current parameter data and historical operation data of each air conditioning unit arranged in the working area; for each air conditioning unit, determining the required power consumption corresponding to the air conditioning unit according to the environment temperature corresponding to the working area, the current parameter data and the historical operation data corresponding to the air conditioning unit; determining a power distribution coefficient corresponding to the air conditioning unit according to the required power consumption corresponding to the air conditioning unit and the historical operation data corresponding to the air conditioning unit; and distributing power to the air conditioning units according to the power distribution coefficients corresponding to the air conditioning units and the required power consumption corresponding to the working areas, wherein the required power consumption corresponding to the working areas is the sum of the required power consumption of each air conditioning unit in the working areas.
5. The method of claim 4, wherein determining the required power consumption corresponding to the air conditioning unit according to the ambient temperature corresponding to the working area, the current parameter data corresponding to the air conditioning unit, and the historical operating data comprises: acquiring the set temperature and the air quantity corresponding to each internal unit in the air conditioning unit respectively from the current parameter data of the air conditioning unit; Determining a product of an enthalpy value corresponding to the temperature difference and a corresponding air quantity of the internal machine as a required refrigeration quantity corresponding to the internal machine; according to the historical operation data corresponding to the air conditioning unit, determining the historical power consumption of the external machine in the air conditioning unit and the sum of the historical refrigerating capacity of each internal machine; Dividing the sum of the historical refrigerating capacity of each internal machine by the historical power consumption, and determining the obtained quotient as the energy efficiency coefficient of the air conditioning unit; and dividing the sum of the required refrigerating capacity of each internal unit in the air conditioning unit by the energy efficiency coefficient of the air conditioning unit, and determining the obtained quotient as the required power consumption corresponding to the air conditioning unit.
6. The method of claim 5, wherein determining the power distribution coefficient corresponding to the air conditioning unit according to the power consumption required by the air conditioning unit and the historical operating data corresponding to the air conditioning unit comprises: According to the historical power consumption corresponding to the external machine in the air conditioning unit, the power consumption required by the air conditioning unit, and a first weight and a second weight corresponding to the current working area in advance, determining a power distribution coefficient corresponding to the air conditioning unit; The first weight corresponds to the historical power consumption, the second weight corresponds to the required power consumption, the sum of the first weight and the second weight is 1, and the second weight is positively correlated with the area priority of the working area.
7. The method of claim 4, wherein the distributing power to the air conditioning unit according to the distribution coefficient corresponding to the air conditioning unit and the required power consumption corresponding to the working area comprises: executing normalization processing for distribution coefficients respectively corresponding to all air conditioning units arranged in the current working area; after power distribution of the air conditioning units arranged in each working area with the power distribution type being the full power supply type is determined, the residual electric quantity in the photovoltaic power generation quantity is determined; determining the duty ratio of the normalized power distribution coefficient corresponding to the air conditioning unit in the required power consumption corresponding to the current working area aiming at each air conditioning unit in the current working area; And distributing power to the air conditioning unit according to the product of the duty ratio and the residual electric quantity.
8. A power supply control device, characterized by comprising: the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring global power consumption corresponding to a refrigerating system and photovoltaic power generation corresponding to a photovoltaic panel, and the global power consumption comprises regional power consumption corresponding to each working region of the refrigerating system service; The reading module is used for reading the regional priorities corresponding to the working regions respectively when the global power consumption is larger than the photovoltaic power generation amount; the determining module is used for determining the distribution type corresponding to each working area according to the area priority and the area power consumption corresponding to each working area and the photovoltaic power generation amount corresponding to the photovoltaic panel; The power distribution module is used for classifying and distributing power for the air conditioning units arranged in each working area according to the power distribution type corresponding to each working area, wherein the power quantity allocated to the working area with high area priority is larger than or equal to the power quantity allocated to the working area with low area priority; The determining module is further configured to sequentially select, from the working area with the lowest area priority, one working area as a target area and take an area priority of the target area as a target priority; after each time of selecting the target area, determining the sum of the power consumption according to the power consumption of the area corresponding to each working area with the area priority above the target priority; And under the condition that the photovoltaic power generation amount is larger than the sum of the power consumption amounts, determining that the power distribution type corresponding to each working area with the area priority above the target priority is a full power supply type, determining that the power distribution type corresponding to the target area is a half power supply type, and determining that the power distribution type corresponding to each working area with the area priority below the target priority is a stop power supply type.
9. A power supply control device characterized by comprising at least one communication interface, at least one bus connected to the at least one communication interface, at least one processor connected to the at least one bus, at least one memory connected to the at least one bus, wherein the processor is configured to execute a power supply control program stored in the memory to implement the power supply control method of any one of claims 1-7.
10. A computer-readable storage medium storing computer-executable instructions that are executed to implement the power supply control method of any one of claims 1-7.

Description

Power supply control method, device, equipment and storage medium Technical Field The present application relates to the field of intelligent control technologies, and in particular, to a power supply control method, apparatus, device, and storage medium. Background In off-grid photovoltaic power supply systems, solar power generation has significant intermittence and volatility, particularly in overcast and rainy days or in periods of insufficient illumination in the morning and evening, photovoltaic output power is greatly reduced, and power consumption can be limited. At present, an off-grid photovoltaic refrigerating system is connected into the same photovoltaic power supply loop in a parallel connection mode of a plurality of outdoor units, and a power management system generally performs average distribution or random power supply of electric quantity for each outdoor unit, so that power distribution management for each outdoor unit is lacked, and therefore a key load in the off-grid photovoltaic refrigerating system cannot obtain enough power support when the electric quantity is intense, for example, a medical air conditioner outdoor unit for refrigerating medicines cannot obtain enough power support when the photovoltaic electric quantity is intense, and a common comfort air conditioner outdoor unit still continuously operates, so that energy waste and operation risks of key equipment are caused. Disclosure of Invention The application provides a power supply control method, a device, equipment and a storage medium, which are used for solving the problem that the power distribution management of each outdoor unit is lacking at present, so that a key load in an off-grid photovoltaic refrigeration system cannot obtain enough power support when the electric quantity is tense. Aiming at the technical problems, the technical scheme of the application is solved by the following embodiments: The embodiment of the application provides a power supply control method, which comprises the steps of obtaining global power consumption corresponding to a refrigerating system and photovoltaic power generation capacity corresponding to a photovoltaic panel, wherein the global power consumption comprises regional power consumption corresponding to each working region served by the refrigerating system, when the global power consumption is larger than the photovoltaic power generation capacity, regional priorities corresponding to the working regions are read, distribution types corresponding to the working regions are determined according to the regional priorities and the regional power consumption corresponding to the working regions and the photovoltaic power generation capacity corresponding to the photovoltaic panel, and classified distribution is carried out for air conditioning units arranged in the working regions according to the distribution types corresponding to the working regions, wherein the electric quantity distributed for the working regions with high regional priorities is larger than or equal to the electric quantity distributed for the working regions with low regional priorities. The method comprises the steps of sequentially selecting one working area as a target area and taking the area priority of the target area as the target priority from the working area with the lowest area priority, determining the sum of power consumption according to the area power consumption of each working area with the area priority above the target priority after each time of selecting the target area, determining the power distribution type of each working area with the area priority above the target priority as the full supply type when the photovoltaic power generation is larger than the sum of power consumption, determining the power distribution type of each working area with the area priority above the target priority as the half supply type, and determining the power distribution type of each working area with the area priority below the target priority as the stop supply type when the photovoltaic power generation is larger than the sum of power consumption. The air conditioning unit power distribution method comprises the steps of classifying and distributing power for the air conditioning unit set in each working area according to the power distribution type corresponding to each working area, wherein the classifying and distributing power for the air conditioning unit set in each working area comprises stopping power distribution for the air conditioning unit set in each working area with the power distribution type being a power-off type. The method comprises the steps of acquiring environment temperature corresponding to a working area and current parameter data and historical operation data corresponding to each air conditioning unit respectively according to the working area, determining required power consumption corresponding to the air conditioning unit according to the environment temperature c