CN117906246A - Method and device for controlling air conditioner, electronic equipment and storage medium - Google Patents

Method and device for controlling air conditioner, electronic equipment and storage medium Download PDF

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Publication number
CN117906246A
CN117906246A CN202211242101.0A CN202211242101A CN117906246A CN 117906246 A CN117906246 A CN 117906246A CN 202211242101 A CN202211242101 A CN 202211242101A CN 117906246 A CN117906246 A CN 117906246A
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CN
China
Prior art keywords
air conditioner
frequency
preset
current
condition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211242101.0A
Other languages
Chinese (zh)
Inventor
张青花
李朋
丁振华
李松赫
孙立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202211242101.0A priority Critical patent/CN117906246A/en
Priority to PCT/CN2023/107063 priority patent/WO2024078072A1/en
Publication of CN117906246A publication Critical patent/CN117906246A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application relates to the technical field of air conditioners, and discloses a method for controlling an air conditioner, which comprises the following steps: and acquiring electricity consumption conditions in the preset area, and determining whether the power grid of the preset area is stable according to the electricity consumption conditions. And under the condition that the power grid is unstable, acquiring the voltage change trend of the air conditioner in the preset area. And adjusting the preset first frequency-limiting current according to the voltage change trend to obtain a second frequency-limiting current. And acquiring the current value of the air conditioner, and reducing the running frequency of the compressor of the air conditioner under the condition that the current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced. Therefore, the running frequency of the compressor of the air conditioner can be reduced under the condition that the power grid is unstable, so that the current value of the air conditioner is reduced, the temperature of components in the air conditioner is further reduced, and the probability of failure of the components due to overhigh temperature is reduced. The application also discloses a device for controlling the air conditioner, electronic equipment and a storage medium.

Description

Method and device for controlling air conditioner, electronic equipment and storage medium
Technical Field
The present application relates to the field of air conditioning technologies, and for example, to a method and apparatus for controlling an air conditioner, an electronic device, and a storage medium.
Background
With the improvement of the living standard of people, air conditioners have been put into thousands of households. For the air conditioner using the alternating current fan for the external machine, the rotating speed of the alternating current fan can change along with the change of the voltage value of the air conditioner. For example, at a voltage value of 230 volts, the corresponding ac fan speed is 820 revolutions. At a voltage value of 150 volts, the corresponding ac fan speed is 450 revolutions. This results in poor heat dissipation and may cause malfunction of components in the air conditioner due to excessive temperature.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
The embodiment of the disclosure provides a method and a device for controlling an air conditioner, electronic equipment and a storage medium, so that the probability of failure of the air conditioner can be reduced.
In some embodiments, the method for controlling an air conditioner includes: acquiring electricity consumption conditions in a preset area; determining whether the power grid of the preset area is stable according to the electricity consumption condition; under the condition that the power grid is unstable, acquiring the voltage variation trend of the air conditioner in a preset area; adjusting the preset first frequency-limiting current according to the voltage variation trend to obtain a second frequency-limiting current; and acquiring the current value of the air conditioner, and reducing the operating frequency of the compressor of the air conditioner under the condition that the current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced.
In some embodiments, the electricity consumption condition includes the number of electronic devices in operation, and determining whether the power grid of the preset area is stable according to the electricity consumption condition includes: judging whether the number of the electronic devices is smaller than a preset threshold value or not; determining that the power grid is stable under the condition that the number of the electronic devices is smaller than a preset threshold value; and/or determining that the power grid is unstable under the condition that the number of the electronic devices is greater than or equal to a preset threshold value.
In some embodiments, acquiring a voltage variation trend of an air conditioner in a preset area includes: acquiring a voltage value of the air conditioner every preset time period; and determining the voltage change trend according to the difference value between the two adjacent voltage values.
In some embodiments, the adjusting operation is performed on the preset first frequency-limiting current according to the voltage variation trend to obtain a second frequency-limiting current, including: under the condition that the voltage change trend is reduced, reducing the first frequency-limiting current according to the voltage value at the current moment and a preset standard voltage value to obtain the second frequency-limiting current; and a preset time period is arranged between the current moment and the previous moment.
In some embodiments, the apparatus for controlling an air conditioner includes: the first acquisition module is configured to acquire electricity consumption conditions in a preset area; the determining module is configured to determine whether the power grid of the preset area is stable according to the electricity consumption condition; the second acquisition module is configured to acquire the voltage variation trend of the air conditioner in the preset area under the condition that the power grid is unstable; the adjusting module is configured to adjust the preset first frequency-limiting current according to the voltage change trend to obtain a second frequency-limiting current; and the control module is configured to acquire the current value of the air conditioner and reduce the operating frequency of the compressor of the air conditioner under the condition that the current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced.
In some embodiments, the electricity usage situation comprises a number of electronic devices being operated, and the determining module is configured to determine whether the grid of the preset area is stable according to the electricity usage situation by: judging whether the number of the electronic devices is smaller than a preset threshold value or not; determining that the power grid is stable under the condition that the number of the electronic devices is smaller than a preset threshold value; and/or determining that the power grid is unstable under the condition that the number of the electronic devices is greater than or equal to a preset threshold value.
In some embodiments, the second obtaining module is configured to obtain the voltage variation trend of the air conditioner in the preset area by: acquiring a voltage value of the air conditioner every preset time period; and determining the voltage change trend according to the difference value between the two adjacent voltage values.
In some embodiments, the adjusting module is configured to perform an adjusting operation on the preset first frequency-limiting current according to the voltage variation trend to obtain the second frequency-limiting current by: under the condition that the voltage change trend is reduced, reducing the first frequency-limiting current according to the voltage value at the current moment and a preset standard voltage value to obtain the second frequency-limiting current; and a preset time period is arranged between the current moment and the previous moment.
In some embodiments, the electronic device includes a processor and a memory storing program instructions, the processor being configured to perform the above-described method for controlling an air conditioner when the program instructions are executed.
In some embodiments, the storage medium stores program instructions that, when executed, perform the method for controlling an air conditioner described above.
The method and device for controlling the air conditioner, the electronic equipment and the storage medium provided by the embodiment of the disclosure can realize the following technical effects: by acquiring the electricity consumption condition in the preset area, whether the power grid in the preset area is stable or not can be determined according to the electricity consumption condition in the preset area, so that the first frequency limiting current can be adjusted under the condition that the power grid is unstable, the second frequency limiting current is obtained, then the running frequency of the compressor of the air conditioner is reduced under the condition that the current value of the air conditioner reaches the second frequency limiting current, the current value of the air conditioner is reduced, the temperature of components in the air conditioner is reduced, and the probability of failure of the components due to overhigh temperature is reduced.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
FIG. 1 is a schematic diagram of a method for controlling an air conditioner provided by an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of another method for controlling an air conditioner provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another method for controlling an air conditioner provided by an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another method for controlling an air conditioner provided by an embodiment of the present disclosure;
FIG. 5 is a schematic view of an apparatus for controlling an air conditioner provided in an embodiment of the present disclosure;
Fig. 6 is a schematic diagram of an electronic device provided by an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more, unless otherwise indicated.
In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.
The term "corresponding" may refer to an association or binding relationship, and the correspondence between a and B refers to an association or binding relationship between a and B.
The application can be applied to the electronic equipment in the preset area, wherein the electronic equipment comprises intelligent household electrical appliances and terminal equipment. The intelligent household electrical appliance is a household electrical appliance formed after the microprocessor, the sensor technology and the network communication technology are introduced into the household electrical appliance, has the characteristics of intelligent control, intelligent perception and intelligent application, the operation process of the intelligent household electrical appliance often depends on the application and processing of modern technologies such as the Internet of things, the Internet, an electronic chip and the like, and for example, the intelligent household electrical appliance can realize the remote control and management of a user on the intelligent household electrical appliance through connecting terminal equipment. The terminal equipment can be connected with the intelligent household electrical appliance through the Internet, and can also be directly connected with the intelligent household electrical appliance through Bluetooth, wifi and the like. In some embodiments, the terminal device is, for example, a mobile device, a computer, or an in-vehicle device built into a hover vehicle, etc., or any combination thereof.
As shown in conjunction with fig. 1, an embodiment of the present disclosure provides a method for controlling an air conditioner, including:
Step S101, the electronic equipment acquires electricity consumption conditions in a preset area.
Step S102, the electronic equipment determines whether the power grid of the preset area is stable according to the power consumption condition.
Step S103, the electronic equipment acquires the voltage change trend of the air conditioner in the preset area under the condition that the power grid is unstable.
Step S104, the electronic equipment adjusts the preset first frequency limiting current according to the voltage change trend to obtain a second frequency limiting current.
Step S105, the electronic device obtains a current value of the air conditioner, and reduces an operation frequency of a compressor of the air conditioner when the current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced.
By adopting the method for controlling the air conditioner, which is provided by the embodiment of the disclosure, whether the power grid in the preset area is stable or not can be determined according to the power consumption condition in the preset area by acquiring the power consumption condition in the preset area, so that the first frequency-limiting current can be adjusted under the condition that the power grid is unstable to obtain the second frequency-limiting current, then the operation frequency of the compressor of the air conditioner is reduced under the condition that the current value of the air conditioner reaches the second frequency-limiting current, the current value of the air conditioner is reduced, the temperature of components in the air conditioner is reduced, and the probability of failure of the components due to overhigh temperature is reduced.
In some embodiments, under the condition that the power grid is stable, acquiring a first frequency limiting current in a preset database; and when the current value of the air conditioner reaches the first frequency limiting current, reducing the operation frequency of the compressor of the air conditioner, so that the current value of the air conditioner is reduced. Thus, breakdown of components in the air conditioner due to excessive current can be avoided, and accordingly air conditioner faults are reduced.
Optionally, acquiring the electricity consumption condition in the preset area includes: and acquiring the number of running electronic devices in the preset area.
Optionally, determining whether the power grid of the preset area is stable according to the electricity consumption condition includes: and judging whether the number of the running electronic devices is smaller than a preset threshold value, and determining that the power grid is stable under the condition that the number of the running electronic devices is smaller than the preset threshold value. And/or determining that the power grid is unstable in the case that the number of the running electronic devices is greater than or equal to a preset threshold value. The power grid is easy to be unstable under the condition that the number of the electronic devices connected to the same power grid is excessive. Thus, by obtaining the number of electronic devices that are running, it can be determined whether the grid is stable.
As shown in connection with fig. 2, an embodiment of the present disclosure provides a method for controlling an air conditioner, including:
in step S201, the electronic device obtains the number of running electronic devices in the preset area.
In step S202, the electronic device determines whether the number of running electronic devices is less than a preset threshold. If so, ending. Otherwise, step S203 is performed.
In step S203, the electronic device determines that the power grid is unstable, and then performs step S204.
In step S204, the electronic device obtains a voltage variation trend of the air conditioner in the preset area.
In step S205, the electronic device performs an adjustment operation on the preset first frequency-limiting current according to the voltage variation trend, so as to obtain a second frequency-limiting current.
In step S206, the electronic device obtains the current value of the air conditioner, and reduces the operating frequency of the compressor of the air conditioner when the current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced.
By adopting the method for controlling the air conditioner, which is provided by the embodiment of the disclosure, whether the power grid in the preset area is stable or not can be determined according to the power consumption condition in the preset area by acquiring the power consumption condition in the preset area, so that the first frequency-limiting current can be adjusted under the condition that the power grid is unstable to obtain the second frequency-limiting current, then the operation frequency of the compressor of the air conditioner is reduced under the condition that the current value of the air conditioner reaches the second frequency-limiting current, the current value of the air conditioner is reduced, the temperature of components in the air conditioner is reduced, and the probability of failure of the components due to overhigh temperature is reduced.
In a first alternative embodiment, acquiring a voltage variation trend of an air conditioner in a preset area includes: and acquiring the voltage value of the air conditioner every preset time period, and determining the voltage change trend according to the difference value between the two adjacent voltage values.
As shown in connection with fig. 3, an embodiment of the present disclosure provides a method for controlling an air conditioner, including:
In step S301, the electronic device obtains electricity consumption conditions in a preset area.
Step S302, the electronic equipment determines whether the power grid of the preset area is stable according to the power consumption condition.
Step S303, the electronic equipment acquires the voltage value of the air conditioner every preset time period under the condition that the power grid is unstable.
In step S304, the electronic device determines a voltage variation trend according to the difference between the two adjacent voltage values.
In step S305, the electronic device performs a reducing operation on the first frequency-limiting current according to the voltage value at the current time and the preset standard voltage value to obtain the second frequency-limiting current when the voltage variation trend is reduced.
In step S306, the electronic device obtains the current value of the air conditioner, and reduces the operating frequency of the compressor of the air conditioner when the current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced.
By adopting the method for controlling the air conditioner, which is provided by the embodiment of the disclosure, whether the power grid in the preset area is stable or not can be determined according to the power consumption condition in the preset area by acquiring the power consumption condition in the preset area, so that the first frequency-limiting current can be adjusted under the condition that the power grid is unstable to obtain the second frequency-limiting current, then the operation frequency of the compressor of the air conditioner is reduced under the condition that the current value of the air conditioner reaches the second frequency-limiting current, the current value of the air conditioner is reduced, the temperature of components in the air conditioner is reduced, and the probability of failure of the components due to overhigh temperature is reduced.
Further, determining a voltage variation trend from a difference between two adjacent voltage values includes: in the case where the difference between the two voltage values is greater than 0, it is determined that the voltage variation tendency is increased. And/or, in the case where the difference between the two voltage values is smaller than 0, determining that the voltage variation trend is decreasing.
In a second alternative embodiment, acquiring a voltage variation trend of an air conditioner in a preset area includes: and acquiring current values of the air conditioner every preset time period, and determining a voltage change trend according to the difference value between the two adjacent current values.
Further, determining a voltage variation trend from a difference between two adjacent current values includes: and determining that the voltage change trend is reduced under the condition that the difference value between the two adjacent current values is larger than a first preset difference value. And determining that the voltage change trend is stable under the condition that the difference value between the two adjacent current values is smaller than or equal to a first preset difference value.
In some embodiments, the first preset difference is 2 amps.
Further, obtaining a difference between the current value at the current time and the current value at the previous time includes: and subtracting the current value at the previous moment from the current value at the current moment to obtain the difference value between the current value at the current moment and the current value at the previous moment.
Optionally, adjusting the preset first frequency-limiting current according to the voltage variation trend to obtain the second frequency-limiting current, including: and under the condition that the voltage change trend is reduced, reducing the first frequency-limiting current according to the voltage value at the current moment and a preset standard voltage value to obtain a second frequency-limiting current. A preset time period is spaced between the current time and the previous time. Therefore, under the condition that the voltage change trend is reduced, the second frequency limiting current can be changed along with the change of the voltage value at the current moment, and the probability of faults of components due to overhigh temperature can be further reduced.
Optionally, the step of reducing the first frequency-limiting current according to the voltage value at the current moment and a preset standard voltage value to obtain a second frequency-limiting current includes: and calculating by using the standard voltage value and the voltage value at the current moment according to a preset algorithm to obtain a calibration value. The product between the calibration value and the first frequency-limited current is determined as the second frequency-limited current.
Further, according to a preset algorithm, calculating by using the standard voltage value and the voltage value at the current moment to obtain a calibration value, including: dividing the voltage value at the current moment by the standard voltage value to obtain a calibration value.
Optionally, after the operation frequency of the compressor of the air conditioner is reduced, the method further comprises the steps of obtaining a current value of the air conditioner every preset time period, determining whether the voltage is stable according to the current value at the current moment, and recovering the second frequency limiting current to the first frequency limiting current under the condition that the voltage is stable.
Further, determining whether the voltage is stable according to the current value at the current moment includes: judging whether the current value at the current moment is within a preset area range, if so, determining that the voltage is stable, otherwise, determining that the voltage is unstable.
As shown in connection with fig. 4, an embodiment of the present disclosure provides a method for controlling an air conditioner, including:
In step S401, the electronic device obtains electricity consumption conditions in a preset area.
Step S402, the electronic equipment determines whether the power grid of the preset area is stable according to the power consumption condition.
Step S403, the electronic device acquires the voltage value of the air conditioner every preset time period under the condition that the power grid is unstable.
In step S404, the electronic device determines a voltage variation trend according to the difference between the two adjacent voltage values.
In step S405, the electronic device performs a reducing operation on the first frequency-limiting current according to the voltage value at the current time and the preset standard voltage value to obtain the second frequency-limiting current when the voltage variation trend is reduced.
In step S406, the electronic device obtains the current value of the air conditioner, and reduces the operating frequency of the compressor of the air conditioner when the current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced.
Step S407, the electronic equipment acquires the current value of the air conditioner every preset time period, and determines whether the voltage is stable or not according to the current value at the current moment.
In step S408, the electronic device restores the second frequency-limited current to the first frequency-limited current under the condition of stable voltage.
By adopting the method for controlling the air conditioner, which is provided by the embodiment of the disclosure, whether the power grid in the preset area is stable or not can be determined according to the power consumption condition in the preset area by acquiring the power consumption condition in the preset area, so that the first frequency-limiting current can be adjusted under the condition that the power grid is unstable to obtain the second frequency-limiting current, then the operation frequency of the compressor of the air conditioner is reduced under the condition that the current value of the air conditioner reaches the second frequency-limiting current, the current value of the air conditioner is reduced, the temperature of components in the air conditioner is reduced, and the probability of failure of the components due to overhigh temperature is reduced.
As shown in conjunction with fig. 5, an embodiment of the present disclosure provides an apparatus 500 for controlling an air conditioner, including: a first acquisition module 501, a determination module 502, a second acquisition module 503, an adjustment module 504, and a control module 505. The first obtaining module 501 is configured to obtain electricity consumption conditions in a preset area. The determining module 502 is configured to determine whether the power grid of the preset area is stable according to the electricity consumption situation. The second obtaining module 503 is configured to obtain a voltage variation trend of the air conditioner in the preset area under the condition that the power grid is unstable. The adjusting module 504 is configured to perform an adjusting operation on the preset first frequency-limiting current according to the voltage variation trend, so as to obtain the second frequency-limiting current. The control module 505 is configured to obtain a present current value of the air conditioner, and reduce an operation frequency of a compressor of the air conditioner in case that the present current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced.
By adopting the device for controlling the air conditioner, which is provided by the embodiment of the disclosure, whether the power grid in the preset area is stable or not can be determined according to the power consumption condition in the preset area, so that the first frequency limiting current can be adjusted under the condition that the power grid is unstable to obtain the second frequency limiting current, then the operation frequency of the compressor of the air conditioner is reduced under the condition that the current value of the air conditioner reaches the second frequency limiting current, the current value of the air conditioner is reduced, the temperature of components in the air conditioner is reduced, and the probability of failure of the components due to overhigh temperature is reduced.
Optionally, the electricity consumption situation includes the number of electronic devices that are running, and the determining module is configured to determine whether the power grid of the preset area is stable according to the electricity consumption situation by: judging whether the number of the electronic devices is smaller than a preset threshold value, and determining that the power grid is stable under the condition that the number of the electronic devices is smaller than the preset threshold value. And/or determining that the power grid is unstable under the condition that the number of the electronic devices is greater than or equal to a preset threshold value.
Optionally, the second obtaining module is configured to obtain the voltage variation trend of the air conditioner in the preset area by the following manner: and acquiring the voltage value of the air conditioner every preset time period, and determining the voltage change trend according to the difference value between the two adjacent voltage values.
Optionally, adjusting the preset first frequency-limiting current according to the voltage variation trend to obtain the second frequency-limiting current, including: under the condition that the voltage change trend is reduced, reducing the first frequency-limiting current according to the voltage value at the current moment and a preset standard voltage value to obtain a second frequency-limiting current; a preset time period is spaced between the current time and the previous time.
As shown in connection with fig. 6, an embodiment of the present disclosure provides an electronic device 600 that includes a processor (processor) 601 and a memory (memory) 602. Optionally, the apparatus may also include a communication interface (Communication Interface) 603 and a bus 604. The processor 601, the communication interface 603, and the memory 602 may communicate with each other via the bus 604. The communication interface 603 may be used for information transfer. The processor 601 may call logic instructions in the memory 602 to perform the method for controlling an air conditioner of the above-described embodiment.
By adopting the electronic equipment provided by the embodiment of the disclosure, whether the power grid in the preset area is stable or not can be determined according to the power consumption condition in the preset area, so that the first frequency limiting current can be adjusted under the condition that the power grid is unstable to obtain the second frequency limiting current, then the operating frequency of the compressor of the air conditioner is reduced under the condition that the current value of the air conditioner reaches the second frequency limiting current, the current value of the air conditioner is reduced, the temperature of components in the air conditioner is reduced, and the probability of failure of the components due to overhigh temperature is reduced.
Further, the logic instructions in the memory 602 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product.
The memory 602 is a computer readable storage medium that can be used to store a software program, a computer executable program, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 601 executes functional applications and data processing by executing program instructions/modules stored in the memory 602, i.e., implements the method for controlling an air conditioner in the above-described embodiments.
The memory 602 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for a function; the storage data area may store data created according to the use of the terminal device, etc. In addition, the memory 602 may include high-speed random access memory, and may also include non-volatile memory.
The embodiment of the disclosure provides a storage medium storing program instructions which, when executed, perform the above-described method for controlling an air conditioner.
The computer readable storage medium may be a transitory computer readable storage medium or a non-transitory computer readable storage medium.
Embodiments of the present disclosure may be embodied in a software product stored on a storage medium, including one or more instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of a method according to embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium including: a plurality of media capable of storing program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or a transitory storage medium.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. Moreover, the terminology used in the present application is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this disclosure is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, when used in the present disclosure, the terms "comprises," "comprising," and/or variations thereof, mean that the recited features, integers, steps, operations, elements, and/or components are present, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method or apparatus that includes the element. In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.
Those of 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 solution. The skilled artisan may use different methods for each particular application to achieve the described functionality, but such implementation should not be considered to be beyond the scope of the embodiments of the present disclosure. It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the embodiments disclosed herein, the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be practiced in other ways. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the units may be merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form. The units described as separate units may or may not be physically separate, and units shown 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 may be selected according to actual needs to implement the present embodiment. In addition, each functional unit in the embodiments of the present disclosure may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than that disclosed in the description, and sometimes no specific order exists between different operations or steps. For example, two consecutive operations or steps may actually be performed substantially in parallel, they may sometimes be performed in reverse order, which may be dependent on the functions involved. Each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims (10)

1. A method for controlling an air conditioner, comprising:
Acquiring electricity consumption conditions in a preset area;
determining whether the power grid of the preset area is stable according to the electricity consumption condition;
Under the condition that the power grid is unstable, acquiring the voltage variation trend of the air conditioner in a preset area;
adjusting the preset first frequency-limiting current according to the voltage variation trend to obtain a second frequency-limiting current;
And acquiring the current value of the air conditioner, and reducing the operating frequency of the compressor of the air conditioner under the condition that the current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced.
2. The method of claim 1, wherein the electricity usage situation comprises a number of operating electronic devices, and wherein determining whether the power grid of the preset area is stable based on the electricity usage situation comprises:
judging whether the number of the electronic devices is smaller than a preset threshold value or not;
Determining that the power grid is stable under the condition that the number of the electronic devices is smaller than a preset threshold value; and/or the number of the groups of groups,
And determining that the power grid is unstable under the condition that the number of the electronic devices is larger than or equal to a preset threshold value.
3. The method of claim 1, wherein obtaining a voltage variation trend of the air conditioner in the preset area comprises:
acquiring a voltage value of the air conditioner every preset time period;
And determining the voltage change trend according to the difference value between the two adjacent voltage values.
4. A method according to claim 3, wherein the adjusting the preset first frequency-limiting current according to the voltage variation trend to obtain the second frequency-limiting current comprises:
Under the condition that the voltage change trend is reduced, reducing the first frequency-limiting current according to the voltage value at the current moment and a preset standard voltage value to obtain the second frequency-limiting current; and a preset time period is arranged between the current moment and the previous moment.
5. An apparatus for controlling an air conditioner, comprising:
the first acquisition module is configured to acquire electricity consumption conditions in a preset area;
the determining module is configured to determine whether the power grid of the preset area is stable according to the electricity consumption condition;
The second acquisition module is configured to acquire the voltage variation trend of the air conditioner in the preset area under the condition that the power grid is unstable;
The adjusting module is configured to adjust the preset first frequency-limiting current according to the voltage change trend to obtain a second frequency-limiting current;
and the control module is configured to acquire the current value of the air conditioner and reduce the operating frequency of the compressor of the air conditioner under the condition that the current value reaches the second frequency limiting current, so that the current value of the air conditioner is reduced.
6. The apparatus of claim 5, wherein the electricity usage situation comprises a number of operating electronic devices, and wherein the determining module is configured to determine whether the grid of the preset area is stable based on the electricity usage situation by:
judging whether the number of the electronic devices is smaller than a preset threshold value or not;
Determining that the power grid is stable under the condition that the number of the electronic devices is smaller than a preset threshold value; and/or the number of the groups of groups,
And determining that the power grid is unstable under the condition that the number of the electronic devices is larger than or equal to a preset threshold value.
7. The apparatus of claim 5, wherein the second obtaining module is configured to obtain the trend of the voltage change of the air conditioner in the preset area by:
acquiring a voltage value of the air conditioner every preset time period;
And determining the voltage change trend according to the difference value between the two adjacent voltage values.
8. The apparatus of claim 7, wherein the adjustment module is configured to adjust the preset first frequency-limited current according to the voltage variation trend to obtain the second frequency-limited current by:
Under the condition that the voltage change trend is reduced, reducing the first frequency-limiting current according to the voltage value at the current moment and a preset standard voltage value to obtain the second frequency-limiting current; and a preset time period is arranged between the current moment and the previous moment.
9. An electronic device comprising a processor and a memory storing program instructions, wherein the processor is configured to perform the method for controlling an air conditioner according to any one of claims 1 to 4 when the program instructions are run.
10. A storage medium storing program instructions which, when executed, perform the method for controlling an air conditioner according to any one of claims 1 to 4.
CN202211242101.0A 2022-10-11 2022-10-11 Method and device for controlling air conditioner, electronic equipment and storage medium Pending CN117906246A (en)

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CN202211242101.0A CN117906246A (en) 2022-10-11 2022-10-11 Method and device for controlling air conditioner, electronic equipment and storage medium
PCT/CN2023/107063 WO2024078072A1 (en) 2022-10-11 2023-07-12 Method and apparatus for controlling air conditioner, electronic device and storage medium

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KR19980016163A (en) * 1996-08-27 1998-05-25 구자홍 Method for preventing DC peak voltage of compressor variable type air conditioner
KR100192896B1 (en) * 1996-09-13 1999-06-15 구자홍 Total current control method of airconditioner
KR19980028561A (en) * 1996-10-23 1998-07-15 구자홍 Compressor Operation Control Method of Inverter Air Conditioner
KR0177695B1 (en) * 1996-12-03 1999-04-15 구자홍 Inverter airconditioner total current control method
KR19990074313A (en) * 1998-03-10 1999-10-05 윤종용 Operation control method of inverter type air conditioner
KR100575691B1 (en) * 2004-09-11 2006-05-03 엘지전자 주식회사 Driving control apparatus and method for reciprocating compressor
CN111256276A (en) * 2018-11-30 2020-06-09 广东美的制冷设备有限公司 Operation control method and system, compressor and air conditioner

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