CN115077033A - Air conditioner frequency control method and device, electronic equipment, storage medium and product - Google Patents

Air conditioner frequency control method and device, electronic equipment, storage medium and product Download PDF

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Publication number
CN115077033A
CN115077033A CN202210590343.2A CN202210590343A CN115077033A CN 115077033 A CN115077033 A CN 115077033A CN 202210590343 A CN202210590343 A CN 202210590343A CN 115077033 A CN115077033 A CN 115077033A
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air conditioner
power generation
wind
determining
energy
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Chinese (zh)
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宋龙
吕福俊
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Priority to CN202210590343.2A priority Critical patent/CN115077033A/en
Publication of CN115077033A publication Critical patent/CN115077033A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
    • F24F2130/10—Weather information or forecasts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides an air conditioner frequency control method, an air conditioner frequency control device, electronic equipment, a storage medium and a product, wherein the air conditioner frequency control method comprises the following steps: acquiring the total power generation amount of a wind and light power generation system in a target time period, and determining that a storage battery in the wind and light power generation system is fully filled with required energy to be charged; determining power supply energy for supplying power to the air conditioner by the storage battery according to the total power generation amount and the energy to be charged; determining the operating frequency of the air conditioner according to the power supply electric energy; the total amount of power generation is determined based on the predicted weather data over the target time period. According to the air conditioner frequency control method, the device, the electronic equipment, the storage medium and the product, the generated energy of the wind power generation system is predicted through the weather data, the electric energy which can be provided by the storage battery to the air conditioner is determined according to the generated energy of the wind power generation system, the operating frequency of the air conditioner under the electric energy is intelligently adjusted, and the electricity utilization cost of the air conditioner can be effectively reduced while the full load of the storage battery is ensured.

Description

Air conditioner frequency control method and device, electronic equipment, storage medium and product
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner frequency control method and device, electronic equipment, a storage medium and a product.
Background
New energy is used as a new direction of energy development, the shortage of power supply can be effectively relieved, and the technology of using a new energy power generation system to supply power to a high-energy-consumption air conditioner is very common.
In the existing new energy power supply technology, the frequency of an air conditioner is mostly adjusted according to indoor temperature and humidity and air conditioner setting.
The control of the frequency of the air conditioner by the scheme is not intelligent enough.
Disclosure of Invention
The invention provides an air conditioner frequency control method, an air conditioner frequency control device, electronic equipment, a storage medium and a product, which are used for solving the intelligent defect of a frequency control part of an air conditioner in the prior art and realizing intelligent adjustment of the running frequency of the air conditioner.
The invention provides an air conditioner frequency control method, which comprises the following steps:
acquiring the total power generation amount of a wind and light power generation system in a target time period, and determining that a storage battery in the wind and light power generation system is fully filled with required energy to be charged;
determining power supply energy for supplying power to the air conditioner by the storage battery according to the total power generation amount and the energy to be charged;
determining the operating frequency of the air conditioner according to the power supply electric energy; the total amount of power generation is determined based on the predicted weather data over the target time period.
According to the air conditioner frequency control method provided by the invention, after the operation frequency of the air conditioner is determined, the following operations are further executed according to a preset frequency:
acquiring the real-time power generation amount of the wind-solar power generation system and the real-time storage amount of a storage battery in a target time period;
correcting the energy to be charged according to the real-time generated energy and the real-time storage capacity to obtain corrected electric energy of the air conditioner;
and adjusting the operating frequency according to the correction electric energy.
According to the air conditioner frequency control method provided by the invention, the determining the operating frequency of the air conditioner according to the power supply energy comprises the following steps:
under the condition that the power supply electric energy is determined to be smaller than the lowest operation power of the air conditioner, determining that the air conditioner is supplied with power jointly by the storage battery and a third-party power grid; the power supply quantity of the storage battery to the air conditioner is equal to the power supply electric energy;
under the condition that the power supply electric energy is determined to be not less than the lowest operation power of the air conditioner, determining the operation frequency of the air conditioner according to the power supply electric energy and the operation time; the operating duration is determined in accordance with the target period.
According to the air conditioning frequency control method provided by the invention, before the determination that the wind-solar power generation system is fully charged with the required energy to be charged, the method further comprises the following steps:
determining the residual generating capacity of the wind-solar power generation system at any moment in a target time period according to the predicted weather data in the target time period;
and determining that the power supply of the air conditioner is a third-party power grid under the condition that the residual generating capacity is not larger than the energy to be charged.
According to the air conditioning frequency control method provided by the invention, after the determining the residual power generation amount of the wind-solar power generation system at any time in the target period, the method further comprises the following steps:
under the condition that the residual generating capacity is larger than the energy to be charged, determining that a power supply of the air conditioner is a storage battery, acquiring new energy to be charged of the storage battery and new residual generating capacity of the wind-solar power generation system, and under the condition that the new residual generating capacity is not larger than the new energy to be charged, switching the power supply of the air conditioner from the storage battery to a third-party power grid;
determining a power supply of the air conditioner to be a storage battery and a third-party power grid under the condition that the storage capacity of the storage battery reaches the total capacity of the storage battery; wherein the power supply amount of the storage battery is equal to the residual power generation amount of the wind-solar power generation system.
According to the air conditioning frequency control method provided by the invention, the step of determining the residual power generation amount of the wind-solar power generation system at any moment in a target time period according to the predicted weather data in the target time period comprises the following steps:
obtaining predicted weather data in a target time period, wherein the predicted weather data comprises: illumination intensity and wind speed;
determining the photovoltaic power generation surplus of the photovoltaic system at any moment in the target time interval according to the illumination intensity, and determining the wind power generation surplus of the wind power system at any moment in the target time interval according to the wind speed;
and determining the residual generating capacity of the wind and light generating system at any moment according to the residual photovoltaic generating capacity and the residual wind generating capacity.
The present invention also provides an air conditioner frequency control device, comprising:
the acquisition module is used for acquiring the total power generation amount of the wind and light power generation system in a target time period and determining that a storage battery in the wind and light power generation system is fully filled with required energy to be charged;
the first determining module is used for determining the power supply energy supplied to the air conditioner by the storage battery according to the total power generation amount and the energy to be charged;
the second determining module is used for determining the operating frequency of the air conditioner according to the power supply electric energy; the total amount of power generation is determined based on the predicted weather data over the target time period.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the program, the air-conditioning frequency control method is realized.
The present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program that, when executed by a processor, implements the air conditioning frequency control method as described in any one of the above.
The present invention also provides a computer program product comprising a computer program which, when executed by a processor, implements any of the air conditioning frequency control methods described above.
According to the air conditioner frequency control method, the device, the electronic equipment, the storage medium and the product, the generated energy of the wind power generation system is predicted through the weather data, the electric energy which can be provided by the storage battery to the air conditioner is determined according to the generated energy of the wind power generation system, the operating frequency of the air conditioner under the electric energy is intelligently adjusted, and the electricity utilization cost of the air conditioner can be effectively reduced while the full load of the storage battery is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of an air conditioning frequency control method according to the present invention;
FIG. 2 is a second schematic flow chart of an air conditioning frequency control method according to the present invention;
fig. 3 is a schematic structural diagram of an air conditioner frequency control device provided by the present invention;
fig. 4 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Solar energy and wind energy are new energy with huge potential, are widely distributed in various regions, have high utilization rate, and are often limited by multiple factors such as seasons, geographical positions, climate and the like, so that strong uncertainty is presented.
Because wind energy is relatively sufficient when the sun is absent in most of weather, and wind energy is relatively less when the sun is present, the wind-solar power generation system provided by the invention depends on an energy mode of complementation of light energy and wind energy, aims at calculating power brought by illumination radiation and wind speed energy so as to obtain the operating frequency of the air conditioner, and considers the energy from multiple aspects to supply power to the air conditioner, thereby laying a foundation for future development.
The following describes an air conditioning frequency control method, an air conditioning frequency control device, an electronic device, a storage medium, and a product according to an embodiment of the present invention with reference to fig. 1 to 4.
In the air conditioner frequency control method provided by the embodiment of the present invention, the execution main body may be an electronic device or a software or a functional module or a functional entity capable of implementing the air conditioner frequency control method in the electronic device, and the electronic device in the embodiment of the present invention includes, but is not limited to, a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, a smart band, a smart watch, a digital camera, and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. It should be noted that the above-mentioned executing body does not constitute a limitation to the present invention.
Fig. 1 is a schematic flow chart of an air conditioner frequency control method provided by the present invention, as shown in fig. 1, including but not limited to the following steps:
first, in step S1, the total amount of power generation of the wind/solar power generation system in a target period is acquired, and it is determined that the storage battery in the wind/solar power generation system is fully charged with the required energy to be charged.
In the wind and light power generation system provided by the invention, electric energy generated by the wind power generation system and the photovoltaic power generation system is stored in the storage battery, and the air conditioner is simultaneously connected with the storage battery and a third-party power grid. The power supply mode of the air conditioner comprises the following steps: the storage battery supplies power independently, the third-party power grid supplies power independently, and the storage battery and the third-party power grid jointly supply power. The air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises an indoor motor, the outdoor unit comprises an outdoor motor and a compressor,
in the invention, all circuits use AC appliances, and because the change of the power supply frequency in the AC circuit is relatively troublesome, such as a motor and a compressor, the AC circuit is provided with a transformer, so that the requirement of a user can be met by adjusting the rotating speed, the conversion of the power supply form is not needed, and the technical difficulty is reduced to a certain extent. The output of the storage battery is direct current, so that the direct current needs to be inverted into alternating current through an inverter, and then the electric energy is supplied to the air conditioner.
The target time period may be a whole day, the predicted time in the whole day is mainly the illumination time, for example, 8 am to 5 pm are the illumination radiation effective time, and the rest time is the auxiliary time and does not participate in the prediction.
Total power generation amount W of wind-solar power generation system in target time period General 1 Is determined from predicted weather data over a target time period; the predicted weather data includes light intensity data and wind speed data, and the predicted weather data may be determined based on weather forecasts.
The accumulator can be a storage battery pack or other energy storage devices with the function of accumulating electricity, and the total capacity of the accumulator is W General 2 The current storage capacity of the storage battery is W Storage tank The electric energy required for full charge of the storage battery is the energy to be charged, and is represented as W To be treated ，W Storage tank +W To be treated ＝W General 2 。
Further, in step S2, the supply electric energy for supplying power from the storage battery to the air conditioner is determined based on the total amount of power generation and the energy to be charged.
To fully charge the battery, the wind-solar power generation systemTotal amount of power generation W in target period General 1 In the case where it is determined that the total amount of electricity generated is larger than the energy to be charged, the energy to be charged W with the secondary battery To be treated The difference value is used as the surplus limit and is the power supply energy which can be provided by the storage battery to the air conditioner.
And under the condition that the total power generation amount is not larger than the energy to be charged, supplying power to the air conditioner by a third-party power grid, wherein the air conditioner works at the lowest operation frequency.
Further, in step S3, determining an operating frequency of the air conditioner according to the power supply; the wind-solar power generation system is used for charging a storage battery, and the total power generation amount is determined according to the predicted weather data in the target time period.
The operation frequency of the air conditioner is mainly the operation frequency of the compressor.
In order to enable the air conditioner to continuously operate, the current environment and user setting can be detected, the operation logic of the air conditioner is changed by combining local time and user state, the total power consumption of the air conditioner in a target time period is power supply electric energy, the operation power of the air conditioner is further determined, and the operation frequency of the air conditioner is adjusted to the frequency corresponding to the operation power.
The running current of the air conditioner is large due to the fact that the voltage is low to a certain degree, the current condition is monitored in real time in the running process of the air conditioner, and the running state of the air conditioner is unchanged under the condition that the running current of the air conditioner is normal; under the condition that the operating current of the air conditioner is more than 105% of the rated current under the operating frequency and the current protective frequency reduction is not achieved, the frequency of the compressor is reduced by 5HZ, meanwhile, the rotating speed of the indoor fan is increased by 50 r/min to compensate the capacity of the air conditioner, the power of the air conditioner can be reduced by about 100W, and the power consumption is reduced.
According to the air conditioner frequency control method provided by the invention, the generated energy of the wind power generation system is predicted through the weather data, the electric energy which can be provided by the storage battery to the air conditioner is determined according to the generated energy of the wind power generation system, the operating frequency of the air conditioner under the electric energy is further intelligently adjusted, and the electricity utilization cost of the air conditioner can be effectively reduced while the full load of the storage battery is ensured.
Optionally, after the determining the operating frequency of the air conditioner, the following operations are further performed at a preset frequency:
acquiring the real-time power generation amount of the wind-solar power generation system and the real-time storage amount of a storage battery in a target time period;
correcting the energy to be charged according to the real-time generated energy and the real-time storage capacity to obtain corrected electric energy of the air conditioner;
and adjusting the operating frequency according to the correction electric energy.
According to the characteristics of the wind and light power generation system, the illumination radiation changes slowly, the stability is good, the wind power system changes greatly, and the floatability is large, so that the real-time total power of the wind and light power generation system floats up and down, the real-time power generation amount of the wind and light power generation system needs to be collected in real time according to the preset frequency, and the preset frequency can be 1 time per 10 minutes.
According to the intensity of the illumination radiation in any time interval, the unit is W/m 2 (watts/square meter), solar power P available Light (es) And the wind energy power P can be obtained according to the wind speed in the time period and the unit is m/s (meter/second) Wind power Thus, the generating power P of the wind-solar power generation system in the period 1 ＝P Light (A) +P Wind power 。
Because the actual weather data may not be in accordance with the predicted weather, the more the time is close, the more accurate the predicted weather data in the weather forecast is, the real-time generated energy of the wind and light power generation system can be collected according to a certain frequency, and the residual generated energy of the wind and light power generation system in the subsequent time can be obtained.
And determining the real-time energy to be charged of the storage battery according to the real-time storage capacity, and using the difference between the residual generating capacity and the energy to be charged as the correction electric energy of the air conditioner for supplying power to the air conditioner in the subsequent time period.
And further determining the operating power of the air conditioner according to the corrected electric energy and the subsequent operating time of the air conditioner, and adjusting the operating frequency of the air conditioner to the frequency corresponding to the operating power.
Optionally, the determining the operating frequency of the air conditioner according to the power supply energy includes:
under the condition that the power supply electric energy is determined to be smaller than the lowest operation power of the air conditioner, determining that the air conditioner is supplied with power jointly by the storage battery and a third-party power grid; the power supply quantity of the storage battery to the air conditioner is equal to the power supply electric energy;
under the condition that the power supply electric energy is determined to be not less than the lowest operation power of the air conditioner, determining the operation frequency of the air conditioner according to the power supply electric energy and the operation time; the operating duration is determined in accordance with the target period.
The running time length can be determined according to the use habits of the user, and can also be determined as the time length of the whole target time period.
And if the power supply electric energy cannot meet the electric energy required by the air conditioner to operate according to the lowest operation power, determining that the air conditioner operates according to the lowest operation power, and performing combined power supply by using the storage battery and a third-party power grid, wherein the electric energy provided by the storage battery is the power supply electric energy, and the third-party power grid makes up the residual electric energy gap.
Under the condition that the power supply electric energy is determined to be not less than the electric energy required by the lowest operation power of the air conditioner, the total power consumption of the air conditioner in the target time period is determined to be the power supply electric energy, the operation power of the air conditioner is further determined according to the operation time length, the operation frequency of the air conditioner is adjusted to the frequency corresponding to the operation power in parallel, and the intelligent and reasonable use of the clean energy of wind and solar power generation is achieved.
Fig. 2 is a second schematic flow chart of the air conditioning frequency control method provided by the present invention, as shown in fig. 2, including:
firstly, the current illumination radiation and wind speed are detected, and weather forecast in a target time period is obtained.
Further, the total power generation amount of the current wind-solar power generation system is calculated, the energy to be charged in the storage battery is received, and the power supply electric energy of the air conditioner is determined.
Further, according to the power supply energy, the operation frequency of the air conditioner is determined.
Further, the residual generating capacity of the wind and solar power generation system at any moment in the target time period is determined according to the predicted weather data in the target time period.
Further, under the condition that the residual generating capacity is not larger than the energy to be charged of the storage battery, the power supply source of the air conditioner is determined to be a third-party power grid.
According to the air conditioner frequency control method provided by the invention, a complete new energy supply air conditioner control logic is provided, power can be supplied under the condition of not using commercial power for different environments and different users, the real energy environmental protection is realized, and the power consumption is saved.
Optionally, before the determining that the wind-solar power generation system is fully charged with the required energy to be charged, the method further includes:
determining the residual generating capacity of the wind-solar power generation system at any moment in a target time period according to the predicted weather data in the target time period;
and determining that the power supply of the air conditioner is a third-party power grid under the condition that the residual power generation amount is not larger than the energy to be charged.
Optionally, the determining, according to the predicted weather data in the target time period, the remaining power generation amount of the wind-solar power generation system at any time in the target time period includes:
obtaining predicted weather data in a target time period, wherein the predicted weather data comprises: illumination intensity and wind speed;
determining the photovoltaic power generation surplus of the photovoltaic system at any moment in the target time interval according to the illumination intensity, and determining the wind power generation surplus of the wind power system at any moment in the target time interval according to the wind speed;
and determining the residual generating capacity of the wind and light generating system at any moment according to the residual photovoltaic generating capacity and the residual wind generating capacity.
Optionally, after the determining the remaining power generation amount of the wind-solar power generation system at any time within the target period, the method further comprises:
under the condition that the residual generating capacity is larger than the energy to be charged, determining that a power supply of the air conditioner is a storage battery, acquiring new energy to be charged of the storage battery and new residual generating capacity of the wind-solar power generation system, and under the condition that the new residual generating capacity is not larger than the new energy to be charged, switching the power supply of the air conditioner from the storage battery to a third-party power grid;
determining a power supply of the air conditioner to be a storage battery and a third-party power grid under the condition that the storage capacity of the storage battery reaches the total capacity of the storage battery; wherein the power supply amount of the storage battery is equal to the residual power generation amount of the wind-solar power generation system.
Under the condition that the air conditioner of a user is started, the setting of the air conditioner of the user is combined, the power generation amount of the wind-solar power generation system after any moment is measured and calculated in a target period according to the predicted illumination radiation data and the wind speed data in the predicted weather data, and the power generation amount is used as the residual power generation amount W The residue is left At this time, the energy to be charged of the storage battery is W To be treated 。
At W The residue is left ≤W To be treated And under the condition of (4), determining that the power supply of the air conditioner is a third-party power grid.
At W The residue is left ＞W To be treated Under the condition of (1), determining the power supply of the air conditioner as a storage battery, and acquiring new energy W to be charged of the storage battery in real time To be treated The new residual power generation amount of the wind-solar power generation system is W The residue is left In W The residue is left ≤W To be treated Under the condition of (1), switching a power supply of the air conditioner from a storage battery to a third-party power grid, and storing the residual generated energy of the wind-solar power generation system into the storage battery; when the storage capacity of the storage battery reaches the total capacity W General 2 Under the condition of (1), determining a power supply of the air conditioner as a storage battery and a third-party power grid; wherein the power supply quantity of the storage battery is W of the residual generating capacity of the wind-solar power generation system Remains of 。
The following describes the air conditioning frequency control device provided by the present invention, and the air conditioning frequency control device described below and the air conditioning frequency control method described above may be referred to in correspondence with each other.
Fig. 3 is a schematic structural diagram of an air conditioning frequency control device provided by the present invention, as shown in fig. 3, including:
the acquiring module 301 is configured to acquire a total power generation amount of the wind and photovoltaic power generation system in a target time period, and determine that a storage battery in the wind and photovoltaic power generation system is fully charged with required energy to be charged;
a first determining module 302, configured to determine, according to the total power generation amount and the energy to be charged, power supply energy for supplying power to the air conditioner from the storage battery;
a second determining module 303, configured to determine an operating frequency of the air conditioner according to the power supply energy; the total amount of power generation is determined based on the predicted weather data over the target time period.
First, the obtaining module 301 obtains the total power generation amount of the wind and light power generation system in a target time period, and determines that the storage battery in the wind and light power generation system is fully charged with the required energy to be charged.
In the wind and light power generation system provided by the invention, electric energy generated by the wind power generation system and the photovoltaic power generation system is stored in the storage battery, and the air conditioner is simultaneously connected with the storage battery and a third-party power grid. The power supply method of the air conditioner comprises the following steps: the storage battery supplies power independently, the third-party power grid supplies power independently, and the storage battery and the third-party power grid jointly supply power. The air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises an indoor motor, the outdoor unit comprises an outdoor motor and a compressor,
in the invention, all circuits use AC appliances, and because the change of the power supply frequency in the AC circuit is relatively troublesome, such as a motor and a compressor, the AC circuit is provided with a transformer, so that the requirement of a user can be met by adjusting the rotating speed, the conversion of the power supply form is not needed, and the technical difficulty is reduced to a certain extent. The output of the storage battery is direct current, so that the direct current needs to be inverted into alternating current through an inverter, and then the electric energy is supplied to the air conditioner.
The target time period may be a whole day, the predicted time in the whole day is mainly the illumination time, for example, 8 am to 5 pm are the illumination radiation effective time, and the rest time is the auxiliary time and does not participate in the prediction.
Total power generation amount W of wind-solar power generation system in target time period General 1 Is determined from predicted weather data over a target time period; the predicted weather data includes light intensity data and wind speed data, and the predicted weather data may be determined based on weather forecasts.
The storage battery can be a storage battery pack, and can also be a storage battery packIts energy storage device with electric power storage function has total capacity of W General 2 The current storage capacity of the storage battery is W Storage tank The electric energy required for full charge of the storage battery is the energy to be charged, and is represented as W To be treated ，W Storage tank +W To be treated ＝W General 2 。
Further, the first determining module 302 determines the power supply energy supplied by the storage battery to the air conditioner according to the total power generation amount and the energy to be charged.
The total amount of power generation W of the wind-solar power generation system in the target period of time for charging the storage battery General 1 In the case where it is determined that the total amount of electricity generated is larger than the energy to be charged, the energy to be charged W with the secondary battery To be treated The difference value is used as the surplus limit and is the power supply energy which can be provided by the storage battery to the air conditioner.
And under the condition that the total power generation amount is not larger than the energy to be charged, supplying power to the air conditioner by a third-party power grid, wherein the air conditioner works at the lowest operation frequency.
Further, the second determining module 303 determines the operating frequency of the air conditioner according to the power supply energy; the wind-solar power generation system is used for charging a storage battery, and the total power generation amount is determined according to the predicted weather data in the target time period.
The operation frequency of the air conditioner is mainly the operation frequency of the compressor.
In order to enable the air conditioner to continuously operate, the current environment and user setting can be detected, the operation logic of the air conditioner is changed by combining local time and user state, the total power consumption of the air conditioner in a target time period is power supply electric energy, the operation power of the air conditioner is further determined, and the operation frequency of the air conditioner is adjusted to the frequency corresponding to the operation power.
The running current of the air conditioner is large due to the fact that the voltage is low to a certain degree, the current condition is monitored in real time in the running process of the air conditioner, and the running state of the air conditioner is unchanged under the condition that the running current of the air conditioner is normal; under the condition that the operating current of the air conditioner is larger than 105% of the rated current under the operating frequency and the protective frequency reduction of the current is not achieved, the frequency of the compressor is reduced by 5HZ, meanwhile, the rotating speed of the indoor fan is increased by 50 r/min to compensate the capacity of the air conditioner, the power of the air conditioner can be reduced by about 100W, and the power consumption is reduced.
According to the air conditioner frequency control device, the generated energy of the wind power generation system is predicted through weather data, the electric energy which can be provided by the storage battery to the air conditioner is determined according to the generated energy of the wind power generation system, the operating frequency of the air conditioner under the electric energy is intelligently adjusted, and the electricity utilization cost of the air conditioner can be effectively reduced while the full load of the storage battery is guaranteed.
Fig. 4 is a schematic structural diagram of an electronic device provided in the present invention, and as shown in fig. 4, the electronic device may include: a processor (processor)410, a communication Interface 420, a memory (memory)430 and a communication bus 440, wherein the processor 410, the communication Interface 420 and the memory 430 are communicated with each other via the communication bus 440. Processor 410 may invoke logic instructions in memory 430 to perform an air conditioning frequency control method comprising: acquiring the total power generation amount of a wind and light power generation system in a target time period, and determining that a storage battery in the wind and light power generation system is fully filled with required energy to be charged; determining power supply energy for supplying power to the air conditioner by the storage battery according to the total power generation amount and the energy to be charged; determining the operating frequency of the air conditioner according to the power supply electric energy; the total amount of power generation is determined based on the predicted weather data over the target time period.
In addition, the logic instructions in the memory 430 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, the computer program product comprising a computer program, the computer program being stored on a non-transitory computer-readable storage medium, wherein when the computer program is executed by a processor, the computer is capable of executing the air conditioning frequency control method provided by the above methods, the method comprising: acquiring the total power generation amount of a wind and light power generation system in a target time period, and determining that a storage battery in the wind and light power generation system is fully filled with required energy to be charged; determining power supply energy for supplying power to the air conditioner by the storage battery according to the total power generation amount and the energy to be charged; determining the operating frequency of the air conditioner according to the power supply electric energy; the total amount of power generation is determined based on the predicted weather data over the target time period.
In yet another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor, implements an air conditioning frequency control method provided by performing the above methods, the method including: acquiring the total power generation amount of a wind and light power generation system in a target time period, and determining that a storage battery in the wind and light power generation system is fully filled with required energy to be charged; determining power supply energy for supplying power to the air conditioner by the storage battery according to the total power generation amount and the energy to be charged; determining the operating frequency of the air conditioner according to the power supply electric energy; the total amount of power generation is determined based on the predicted weather data over the target time period.
The above-described embodiments of the apparatus are merely illustrative, and the 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 modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. An air conditioner frequency control method is characterized by comprising the following steps:
acquiring the total power generation amount of a wind and light power generation system in a target time period, and determining that a storage battery in the wind and light power generation system is fully filled with required energy to be charged;
determining power supply energy for supplying power to the air conditioner by the storage battery according to the total power generation amount and the energy to be charged;
determining the operating frequency of the air conditioner according to the power supply electric energy; the total amount of power generation is determined based on the predicted weather data over the target time period.
2. The air conditioner frequency control method according to claim 1, wherein after the determining of the operation frequency of the air conditioner, the following operations are further performed at a preset frequency:
acquiring the real-time power generation amount of the wind-solar power generation system and the real-time storage amount of a storage battery in a target time period;
correcting the energy to be charged according to the real-time generated energy and the real-time storage capacity to obtain corrected electric energy of the air conditioner;
and adjusting the operating frequency according to the correction electric energy.
3. The air conditioner frequency control method according to claim 1, wherein the determining the operating frequency of the air conditioner according to the supply power includes:
under the condition that the power supply electric energy is determined to be smaller than the lowest operation power of the air conditioner, determining that the air conditioner is supplied with power jointly by the storage battery and a third-party power grid;
under the condition that the power supply electric energy is determined to be not less than the lowest operation power of the air conditioner, determining the operation frequency of the air conditioner according to the power supply electric energy and the operation time; the operating duration is determined in accordance with the target period.
4. The air conditioning frequency control method according to claim 1, wherein before the determining that the wind-solar power generation system has the energy to be charged required for fully charging the storage battery, further comprising:
determining the residual generating capacity of the wind-solar power generation system at any moment in a target time period according to the predicted weather data in the target time period;
and determining that the power supply of the air conditioner is a third-party power grid under the condition that the residual power generation amount is not larger than the energy to be charged.
5. The air conditioning frequency control method according to claim 4, further comprising, after the determining the remaining power generation amount of the wind-solar power generation system at any one time within the target period:
under the condition that the residual generating capacity is larger than the energy to be charged, determining that a power supply of the air conditioner is a storage battery, acquiring new energy to be charged of the storage battery and new residual generating capacity of the wind-solar power generation system, and under the condition that the new residual generating capacity is not larger than the new energy to be charged, switching the power supply of the air conditioner from the storage battery to a third-party power grid;
determining a power supply of the air conditioner to be a storage battery and a third-party power grid under the condition that the storage capacity of the storage battery reaches the total capacity of the storage battery;
wherein the power supply amount of the storage battery is equal to the residual power generation amount of the wind-solar power generation system.
6. The air conditioning frequency control method according to claim 4, wherein the determining the remaining power generation amount of the wind-solar power generation system at any one time within a target period according to predicted weather data within the target period comprises:
obtaining predicted weather data in a target time period, wherein the predicted weather data comprises: illumination intensity and wind speed;
determining the photovoltaic power generation surplus of the photovoltaic system at any moment in the target time interval according to the illumination intensity, and determining the wind power generation surplus of the wind power system at any moment in the target time interval according to the wind speed;
and determining the residual generating capacity of the wind-solar power generation system at any moment according to the residual photovoltaic power generation amount and the residual wind power generation amount.
7. An air conditioning frequency control device, characterized by comprising:
the acquisition module is used for acquiring the total power generation amount of the wind and light power generation system in a target time period and determining that a storage battery in the wind and light power generation system is fully filled with required energy to be charged;
the first determining module is used for determining the power supply energy supplied to the air conditioner by the storage battery according to the total power generation amount and the energy to be charged;
the second determining module is used for determining the operating frequency of the air conditioner according to the power supply electric energy; the total amount of power generation is determined based on the predicted weather data over the target time period.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the air conditioning frequency control method according to any one of claims 1 to 6 when executing the program.
9. A non-transitory computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the air conditioning frequency control method according to any one of claims 1 to 6.
10. A computer program product comprising a computer program, wherein the computer program, when executed by a processor, implements the air conditioning frequency control method according to any one of claims 1 to 6.
CN202210590343.2A 2022-05-26 2022-05-26 Air conditioner frequency control method and device, electronic equipment, storage medium and product Pending CN115077033A (en)

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