CN-121367251-B - Power module adjusting method and device, air conditioning equipment and storage medium

CN121367251BCN 121367251 BCN121367251 BCN 121367251BCN-121367251-B

Abstract

The application relates to a method and a device for adjusting a power module, air conditioning equipment and a storage medium, wherein the power module is powered and operated through a preset photovoltaic module; and according to the power generation capacity, determining a parameter value range of a preset operation parameter of the power module in the future time period, and adjusting the parameter value of the preset operation parameter according to the parameter value range. Therefore, the accurate matching of the photovoltaic power supply and the power demand of the power module can be realized, and the energy utilization rate and the operation stability of the air conditioning unit in the off-grid state are improved.

Inventors

JIN MENGMENG
JIAO HUACHAO
BAI YUJIE
Teng tianfeng
LIU JINGJING
ZHU FENGQI

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 (14)

1. The utility model provides a power module's regulation method which characterized in that, power module passes through the photovoltaic module power supply operation of predetermineeing, the method includes: predicting the power generation capacity of the photovoltaic module in a preset future time period; according to the power generation capacity, determining a parameter value range of a preset operation parameter of the power module in the future time period; Adjusting the parameter value of the preset operation parameter according to the parameter value range; The power generation capacity is a power generation power set containing a plurality of power generation powers, the preset operation parameter is an operation frequency, and the determining the parameter value range of the preset operation parameter of the power module in the future time period according to the power generation capacity comprises the following steps: The method comprises the steps of determining maximum generated power from a generated power set, obtaining a second association relation between preset operation parameters and operation power of a power module which is built in advance, determining a maximum parameter value of the power module in the future time period according to the maximum generated power and the second association relation, determining a parameter value range of the power module based on the maximum parameter value, wherein the maximum parameter value is a maximum parameter value of the preset operation parameters corresponding to the maximum generated power and is the maximum value of the parameter value range.
2. The method of claim 1, wherein predicting the power generation capability of the photovoltaic module for a preset future period of time comprises: Acquiring a first association relationship between weather information corresponding to the photovoltaic module and power generation capacity which are trained in advance; Acquiring future weather information in the future time period; and determining the power generation capacity of the photovoltaic module in the future time period according to the future weather information and the first association relation.
3. The method of claim 2, wherein the first association is constructed by: Acquiring a plurality of illumination amounts in a preset historical time period and historical power generation capacity corresponding to each illumination amount; acquiring a power generation coefficient and a fitting coefficient corresponding to the photovoltaic module; Constructing a first relation curve between the illumination quantity and the power generation capacity according to the power generation coefficient and the fitting coefficient; and fitting the first relation curve according to the illumination quantity and the historical power generation capacity to obtain the first association relation.
4. The method of claim 1, wherein the second association is constructed by: Acquiring historical parameter values of a plurality of preset operation parameters of the power module within a preset historical time period and historical operation power corresponding to each historical parameter value; obtaining module parameters and fitting coefficients corresponding to the power module; Constructing a second relation curve between the running power and a preset running parameter according to the module parameters and the fitting coefficient; And fitting the second relation curve according to the historical parameter value and the historical operating power to obtain the second association relation.
5. The method of claim 1, wherein the plurality of power modules is provided, and each power module has a respective corresponding photovoltaic module, second association, and maximum generated power; The determining, according to the maximum generated power and the second association relationship, a maximum parameter value of the power module in the future time period includes: determining an operation power module and a non-operation power module in the power module, wherein the non-operation power module is a module which does not adjust the preset operation parameters; Distributing the maximum power corresponding to the non-running power module to the running power module according to a target proportion so as to update the maximum power of the running power module and obtain a new maximum power corresponding to the running power module; And aiming at each running power module, determining the maximum parameter value corresponding to the running power module according to the new maximum generated power corresponding to the running power module and the second association relation.
6. The method according to claim 1, wherein said adjusting the parameter value of the preset operating parameter according to the parameter value range comprises: acquiring the current power generation capacity of the photovoltaic module at the current moment; Determining a current parameter value of the preset operation parameter of the power module according to the current power generation capacity; And adjusting the current parameter value to enable the current parameter value to be in the parameter value range under the condition that the current parameter value is not in the parameter value range.
7. The method of claim 6, wherein the parameter value range includes a maximum parameter value and a minimum parameter value; said adjusting said current parameter value comprises: Under the condition that the current parameter value is larger than or equal to the maximum parameter value, acquiring a parameter adjustment type of the power module; and adjusting the current parameter value of the power module according to the parameter adjustment type.
8. The method of claim 7, wherein the preset operating parameter is an operating frequency of the power module, and the adjusting the current parameter value of the power module according to the parameter adjustment type includes: Determining a frequency gear corresponding to the current parameter value under the condition that the parameter adjustment type is fixed-frequency adjustment, adjusting at least one gear downwards the frequency gear, and adjusting at least one gear upwards the gear corresponding to the minimum parameter value; And under the condition that the parameter adjustment type is variable frequency adjustment, determining a preset first frequency adjustment proportion and a preset second frequency adjustment proportion, adjusting the current parameter value according to the first frequency adjustment proportion, and adjusting the minimum parameter value according to the second frequency adjustment proportion.
9. The method of claim 6, wherein the power modules are plural and each power module has a respective corresponding photovoltaic module, and wherein the determining the current parameter value of the preset operating parameter of the power module according to the current power generation capacity comprises: determining an operation power module and a non-operation power module in the power module, wherein the non-operation power module is a module which does not adjust the preset operation parameters; Distributing the current power generation capacity corresponding to the non-running power module to the running power module according to a target proportion so as to update the current power generation capacity of the running power module and obtain a new current power generation capacity corresponding to the running power module; and aiming at each operation power module, determining the current parameter value of the preset operation parameter of the operation power module according to the new current power generation capacity corresponding to the operation power module.
10. The method according to claim 5 or 9, characterized in that the target ratio is determined by: acquiring the load demand of the temperature regulation module corresponding to each operation power module; And determining the target proportion between the running power modules according to the load requirements corresponding to each running power module.
11. The method of claim 6, wherein the current power generation capability is a current power generation of the photovoltaic module, further comprising, after the adjusting the current parameter value: determining the running power of the power module corresponding to the adjusted current parameter value; determining a power difference between the operating power and the current generated power; and adjusting the parameter value range under the condition that the power difference value is determined to be larger than a preset difference value threshold value.
12. An adjusting device of power module, its characterized in that, power module is through the photovoltaic module power supply operation of predetermineeing, the device includes: the power generation capacity prediction module is used for predicting the power generation capacity of the photovoltaic module in a preset future time period; the parameter value range determining module is used for determining a parameter value range of a preset operation parameter of the power module in the future time period according to the power generation capacity; the parameter value adjusting module is used for adjusting the parameter value of the preset operation parameter according to the parameter value range; The power generation capacity is a power generation power set containing a plurality of power generation powers, the preset operation parameter is an operation frequency, and the determining the parameter value range of the preset operation parameter of the power module in the future time period according to the power generation capacity comprises the following steps: The method comprises the steps of determining maximum generated power from a generated power set, obtaining a second association relation between preset operation parameters and operation power of a power module which is built in advance, determining a maximum parameter value of the power module in the future time period according to the maximum generated power and the second association relation, determining a parameter value range of the power module based on the maximum parameter value, wherein the maximum parameter value is a maximum parameter value of the preset operation parameters corresponding to the maximum generated power and is the maximum value of the parameter value range.
13. The air conditioning equipment is characterized by comprising a power module, a photovoltaic module, a processor, a communication interface, a memory and a communication bus; the photovoltaic module is used for supplying power to the power module; The power module is used for providing power for the air conditioning equipment; The power module comprises a power module, a processor, a communication interface, a memory and a processor, wherein the memory is used for completing mutual communication through a communication bus, the memory is used for storing a computer program, and the processor is used for realizing the adjusting method of the power module according to any one of claims 1-11 when the computer program is executed.
14. A storage medium having stored thereon a computer program, which when executed by a processor, implements a method of adjusting a power module according to any one of claims 1-11.

Description

Power module adjusting method and device, air conditioning equipment and storage medium Technical Field The present application relates to the field of air conditioning technologies, and in particular, to a method and an apparatus for adjusting a power module, an air conditioning device, and a storage medium. Background In the traditional multi-split air conditioner operation control of photovoltaic and power grid power supply, when the multi-split air conditioner is in a grid-connected mode (photovoltaic power generation is preferentially utilized and power grid power supply is needed), because the photovoltaic power and the power grid can be complementarily and uniformly supplied, more stable power generation power can be provided for the compressor, so that the stable operation of the compressor is ensured, and meanwhile, the efficient utilization of electric energy is realized. However, when the multi-split air conditioner is in an off-grid mode (only depends on photovoltaic power generation, and a power grid does not participate in power supply), because photovoltaic power generation power is influenced by environmental factors such as weather, illumination intensity, temperature and the like, obvious time variability and uncertainty exist, so that when photovoltaic output power is higher than a maximum operation parameter set by the compressor at a certain moment, part of electric energy cannot be effectively utilized by the compressor, and energy waste is caused, and when the photovoltaic power is lower than the maximum operation parameter set by the compressor, the compressor cannot rely on the power grid to supplement electric energy. Therefore, in the conventional multi-split operation control of photovoltaic+grid power supply, when the multi-split is in the off-grid mode, stable operation of the compressor and efficient utilization of electric energy cannot be ensured. Disclosure of Invention The application provides a power module adjusting method, a device, air conditioning equipment and a storage medium, which are used for solving the technical problems that in the prior art, in the traditional multi-split operation control of photovoltaic and power grid power supply, when the multi-split is in an off-grid mode, stable operation of a compressor and efficient utilization of electric energy cannot be ensured. In a first aspect, the present application provides a method for adjusting a power module, where the power module is powered by a preset photovoltaic module, and the method includes: predicting the power generation capacity of the photovoltaic module in a preset future time period; according to the power generation capacity, determining a parameter value range of a preset operation parameter of the power module in the future time period; and adjusting the parameter value of the preset operation parameter according to the parameter value range. As an alternative implementation manner, the predicting the power generation capability of the photovoltaic module in a preset future time period includes: Acquiring a first association relationship between weather information corresponding to the photovoltaic module and power generation capacity which are trained in advance; Acquiring future weather information in the future time period; and determining the power generation capacity of the photovoltaic module in the future time period according to the future weather information and the first association relation. As an alternative implementation manner, the first association relationship is constructed by the following manner: Acquiring a plurality of illumination amounts in a preset historical time period and historical power generation capacity corresponding to each illumination amount; acquiring a power generation coefficient and a fitting coefficient corresponding to the photovoltaic module; Constructing a first relation curve between the illumination quantity and the power generation capacity according to the power generation coefficient and the fitting coefficient; and fitting the first relation curve according to the illumination quantity and the historical power generation capacity to obtain the first association relation. As an optional implementation manner, the generating capacity is a generating power set containing a plurality of generating powers, and the preset operation parameter is an operation frequency; The determining, according to the power generation capability, a parameter value range of a preset operation parameter of the power module in the future time period includes: determining the maximum generated power from the generated power set; acquiring a second association relation between preset operation parameters and operation power of the power module which is built in advance; determining a maximum parameter value of the power module in the future time period according to the maximum generated power and the second association relation; and determining the parameter value ran