WO2023197694A1 - Procédé et appareil de commande à fréquence variable pour climatiseur, et climatiseur et support d'enregistrement - Google Patents

Procédé et appareil de commande à fréquence variable pour climatiseur, et climatiseur et support d'enregistrement Download PDF

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Publication number
WO2023197694A1
WO2023197694A1 PCT/CN2022/143705 CN2022143705W WO2023197694A1 WO 2023197694 A1 WO2023197694 A1 WO 2023197694A1 CN 2022143705 W CN2022143705 W CN 2022143705W WO 2023197694 A1 WO2023197694 A1 WO 2023197694A1
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WIPO (PCT)
Prior art keywords
temperature difference
frequency
target
operating frequency
air conditioner
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PCT/CN2022/143705
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English (en)
Chinese (zh)
Inventor
周星宇
矫立涛
冯景学
王伟锋
刘帅
尹义金
周苏英
Original Assignee
青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2023197694A1 publication Critical patent/WO2023197694A1/fr

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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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F24F11/64—Electronic processing using pre-stored data
    • 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
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/67—Switching between heating and cooling modes
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature

Definitions

  • the present application relates to the technical field of air conditioning, and in particular to an air conditioner frequency conversion control method, device, air conditioner and storage medium.
  • the frequency control logic of the inverter air conditioner is determined by the outdoor ambient temperature. Under different external ambient temperatures, there is a corresponding fixed frequency to control the operation of the air conditioner compressor.
  • this frequency conversion control method only considers the external environmental temperature factor, so the air conditioner needs to run for a period of time before slowly entering the PID control mode for frequency adjustment, which takes a long time, has poor adjustment ability, and is prone to temperature rise during the frequency adjustment process. shutdown phenomenon.
  • This application provides an air conditioner frequency conversion control method, device, air conditioner and storage medium to better realize frequency conversion control of the air conditioner.
  • This application provides a frequency conversion control method for an air conditioner, including:
  • the preset temperature difference threshold segmented intervals include multiple temperature difference threshold intervals, and each segment of the temperature difference threshold interval corresponds to a method for determining the target operating frequency.
  • the target operating frequency of the air conditioner compressor is determined based on the temperature difference and the preset temperature difference threshold segment interval, including:
  • the target operating frequency is determined based on the target fixed frequency and the target frequency change threshold, and the target fixed frequency is determined based on the current outdoor ambient temperature.
  • the target operating frequency of the air conditioner compressor is determined based on the temperature difference and the preset temperature difference threshold segment interval, including:
  • the target operating frequency is determined to be the maximum frequency of the air conditioning compressor.
  • the target operating frequency of the air conditioner compressor is determined based on the temperature difference and the preset temperature difference threshold segment interval, including:
  • the target operating frequency of the air conditioning compressor is determined.
  • determining the target operating frequency of the air conditioner compressor includes:
  • the first operating frequency is obtained based on the sum of the target fixed frequency and the target frequency change threshold, and the first temperature difference threshold interval includes the first threshold sub-interval.
  • determining the target operating frequency of the air conditioner compressor includes:
  • the second operating frequency is obtained based on the difference between the target fixed frequency and the target frequency change threshold, and the first temperature difference threshold interval includes the second threshold sub-interval.
  • This application also provides an air conditioner frequency conversion control device, including:
  • the acquisition module is used to obtain the temperature difference between the indoor ambient temperature and the target temperature set by the user;
  • a control module configured to determine the target operating frequency of the air conditioning compressor based on the temperature difference and the preset temperature difference threshold segment interval, and control the air conditioning compressor to operate at the target operating frequency;
  • the preset temperature difference threshold segmented intervals include multiple temperature difference threshold intervals, and each segment of the temperature difference threshold interval corresponds to a method for determining the target operating frequency.
  • This application also provides an air conditioner, including a controller
  • the controller includes a memory, a processor, and a computer program stored in the memory and executable on the processor.
  • the processor executes the program, it implements any of the air conditioner frequency conversion control methods described above.
  • the present application also provides a non-transitory computer-readable storage medium on which a computer program is stored.
  • a computer program is stored on which a computer program is stored.
  • the computer program is executed by a processor, any one of the air conditioner frequency conversion control methods described above is implemented.
  • the present application also provides a computer program product, which includes a computer program.
  • the computer program When the computer program is executed by a processor, the computer program implements any of the above air conditioner frequency conversion control methods.
  • This application provides an air conditioner frequency conversion control method, device, air conditioner and storage medium.
  • a segmented control logic based on the temperature difference is added.
  • determine the temperature difference threshold interval to which the temperature difference belongs and the corresponding target operating frequency determination method thereby obtaining the target operating frequency of the air conditioning compressor, and controlling the air conditioning compressor to operate at the target operating frequency, which can be achieved
  • the segmented control of the inverter air conditioner greatly improves the efficiency and stability of the frequency adjustment of the inverter air conditioner, and avoids the temperature shutdown phenomenon that is easily caused during the frequency adjustment process in the existing technology.
  • Figure 1 is a schematic flow chart of the air conditioner frequency conversion control method provided by this application.
  • FIG. 2 is a schematic structural diagram of the air conditioner frequency conversion control device provided by this application.
  • FIG. 3 is a schematic diagram of the physical structure of the controller in the air conditioner provided by this application.
  • Figure 1 is a schematic flow chart of the air conditioner frequency conversion control method provided by this application. As shown in Figure 1, it includes:
  • Step 110 Obtain the temperature difference between the indoor ambient temperature and the target temperature set by the user;
  • the target temperature described in the embodiments of this application refers to the desired indoor temperature set by the user after turning on the air conditioner.
  • the air conditioner can collect the indoor ambient temperature in real time through the temperature sensor set in the indoor unit, and calculate the temperature difference between the collected indoor ambient temperature and the target temperature set by the user to obtain the indoor ambient temperature and user The temperature difference between the set target temperatures.
  • the target temperature set by the user when the air conditioner is in the heating mode, the target temperature set by the user is usually higher than the indoor ambient temperature.
  • the indoor ambient temperature can be obtained by calculating the difference between the target temperature and the indoor ambient temperature.
  • the target temperature can be calculated by subtracting the indoor ambient temperature to obtain the temperature difference between the indoor ambient temperature and the target temperature set by the user.
  • Step 120 determine the target operating frequency of the air conditioning compressor based on the temperature difference and the preset temperature difference threshold segment interval, and control the air conditioning compressor to operate at the target operating frequency;
  • the preset temperature difference threshold segmented intervals include multiple temperature difference threshold intervals, and each segment of the temperature difference threshold interval corresponds to a method for determining the target operating frequency.
  • the preset temperature difference threshold segmented intervals described in the embodiments of this application are preset segmented control threshold intervals, which may include multiple consecutive temperature difference threshold intervals, and each temperature difference threshold interval may correspond to a specific frequency. Calculation method to determine the target operating frequency to control the operation of the air conditioning compressor.
  • the preset temperature difference threshold segment interval can be specifically set according to the configuration information and design requirements of the actual air conditioner, and is not specifically limited in this application.
  • the target operating frequency described in the embodiments of this application refers to determining the corresponding temperature difference threshold interval from the preset temperature difference threshold segmented intervals based on the temperature difference between the indoor ambient temperature and the target temperature set by the user. According to the temperature difference threshold interval The operating frequency of the air conditioning compressor obtained by the corresponding frequency determination method.
  • the target operating frequency of the air-conditioning compressor can be calculated, and the air-conditioning compressor can be controlled to operate at the target operating frequency. , thus enabling segmented control of the inverter air conditioner.
  • the air conditioner frequency conversion control method considers the temperature difference between the indoor ambient temperature and the target temperature set by the user, adds segmented control logic based on the temperature difference, and determines the segmented interval based on the temperature difference and the preset temperature difference threshold.
  • the temperature difference threshold interval to which the temperature difference belongs and the corresponding target operating frequency are determined, thereby obtaining the target operating frequency of the air-conditioning compressor, and controlling the air-conditioning compressor to operate at the target operating frequency, which can realize segmented control of the inverter air conditioner.
  • Dadi improves the efficiency and stability of the frequency adjustment of the inverter air conditioner, and avoids the phenomenon of temperature shutdown that is easily caused during the frequency adjustment process in the existing technology.
  • determining the target operating frequency of the air conditioning compressor based on the temperature difference and the preset temperature difference threshold segment interval includes:
  • the target operating frequency is determined to be the maximum frequency of the air conditioning compressor.
  • the second temperature difference threshold interval described in the embodiment of the present application may be the threshold that represents the largest temperature difference between the indoor ambient temperature and the target temperature set by the user among the consecutive multiple temperature difference threshold intervals of the preset temperature difference threshold segmented intervals.
  • the interval may be an interval greater than the first temperature difference threshold, and the first temperature difference threshold may be 6°C, 8°C, etc.
  • the frequency control logic of the existing inverter air conditioner is determined by the outdoor ambient temperature, when the temperature difference between the indoor ambient temperature and the temperature set by the user is large, the user needs rapid cooling or heating, and the outdoor environment The temperature causes the air conditioning compressor to run less frequently, and the inverter air conditioner cannot perform rapid cooling or heating.
  • the temperature difference between the indoor ambient temperature and the target temperature set by the user can be directly calculated. If the temperature difference is included in the second temperature difference threshold interval in the preset temperature difference threshold segment interval, the temperature difference is explained. is very large, the user needs to perform rapid cooling or heating. Therefore, according to the determination method of the target operating frequency corresponding to the second temperature difference threshold interval, the target operating frequency can be directly determined to be the maximum frequency of the air conditioner compressor, that is, the air conditioner will be compressed at this time. The machine is adjusted to operate at the maximum frequency.
  • the air conditioning compressor is controlled to run at the maximum frequency to accelerate cooling or heating without being affected by the outdoor ambient temperature. , which greatly improves the frequency adjustment efficiency of the inverter air conditioner and improves the user experience.
  • determining the target operating frequency of the air conditioning compressor based on the temperature difference and the preset temperature difference threshold segment interval includes:
  • the target operating frequency is determined based on the target fixed frequency and the target frequency change threshold.
  • the target fixed frequency is determined based on the current outdoor ambient temperature.
  • the first temperature difference threshold interval described in the embodiment of the present application may be a threshold interval in the middle segment among the consecutive multiple temperature difference threshold intervals of the preset temperature difference threshold segmented intervals.
  • the first temperature difference threshold value is 6°C , which can take a value of 0°C to 2°C, 2°C to 4°C, or 4°C to 6°C.
  • the target fixed frequency described in the embodiment of this application refers to the air conditioning compressor operating frequency preset by the air conditioner and determined based on the outdoor ambient temperature. For example, when the air conditioner is heating, when the outdoor ambient temperature is 5°C to 10°C, the air conditioner compressor runs at a fixed frequency; when the outdoor ambient temperature is 0°C to 5°C, the air conditioner compressor runs at another fixed frequency.
  • the target frequency change threshold described in the embodiments of this application can be set according to the temperature difference threshold value of the temperature difference threshold interval to which it belongs. That is to say, the target frequency change threshold value corresponding to the temperature difference threshold interval with a larger temperature difference threshold value can be set larger, and the temperature difference threshold value can be set larger.
  • the target frequency change threshold corresponding to a smaller temperature difference threshold interval can be set smaller.
  • the target frequency change threshold when the first temperature difference threshold interval is 2°C to 4°C, the target frequency change threshold can be 5Hz, 6Hz, 7Hz, etc.; when the first temperature difference threshold interval is 4°C to 6°C, the target frequency change threshold can be a value of 5Hz, 6Hz, 7Hz, etc. It is 10Hz, 11Hz, 12Hz, etc., which is not specifically limited in the embodiments of this application.
  • determining the target operating frequency of the air conditioning compressor includes:
  • the first operating frequency is obtained based on the sum of the target fixed frequency and the target frequency change threshold, and the first temperature difference threshold interval includes the first threshold sub-interval.
  • the first threshold sub-interval described in the embodiment of this application refers to a threshold interval in the first temperature difference threshold interval that can represent a larger temperature difference between the indoor ambient temperature and the target temperature set by the user.
  • the first temperature difference threshold interval can be 0°C to 2°C, 2°C to 4°C, or 4°C to 6°C, then
  • the first threshold sub-interval may be 2°C to 4°C, or 4°C to 6°C.
  • the first operating frequency described in the embodiment of this application refers to the frequency obtained based on the sum of the target fixed frequency and the target frequency change threshold, which is used when the temperature difference between the indoor ambient temperature and the user-set target temperature is included in the first In the case of a threshold sub-interval, the operation of the air conditioning compressor is controlled.
  • the target frequency change threshold can be set according to the temperature difference threshold of the temperature difference threshold interval to which it belongs. For example, when the first threshold sub-interval is 2°C to 4°C, the target frequency change threshold can be 5 Hz; When the interval is 4°C ⁇ 6°C, the target frequency change threshold can be 10Hz;
  • the first operating frequency can be obtained based on the sum of the target fixed frequency and the target frequency change threshold.
  • the target fixed frequency is 30Hz and the target frequency change threshold is 5Hz.
  • the first operating frequency is 35Hz at this time. From this, the air conditioning compressor can be determined The target operating frequency is 35Hz;
  • the air conditioning compressor can be controlled to operate at the target operating frequency.
  • the air conditioning compressor when a large temperature difference between the indoor ambient temperature and the target temperature set by the user is detected, the air conditioning compressor is further increased based on the original target fixed frequency determined based on the outdoor ambient temperature.
  • the operating frequency greatly improves the efficiency and stability of frequency adjustment of the inverter air conditioner.
  • determining the target operating frequency of the air conditioning compressor includes:
  • the second operating frequency is obtained based on the difference between the target fixed frequency and the target frequency change threshold, and the first temperature difference threshold interval includes the second threshold sub-interval.
  • the second threshold sub-interval described in the embodiment of this application refers to a threshold interval in the first temperature difference threshold interval that can represent a smaller temperature difference between the indoor ambient temperature and the target temperature set by the user.
  • the first temperature difference threshold interval can be 0°C to 2°C, 2°C to 4°C, or 4°C to 6°C
  • the second threshold sub-interval may be 0°C to 2°C.
  • the second operating frequency described in the embodiment of this application is obtained based on the difference between the target fixed frequency and the target frequency change threshold, which is used when the temperature difference between the indoor ambient temperature and the user-set target temperature is included in the first In the case of two threshold sub-intervals, the operation of the air conditioning compressor is controlled.
  • the target frequency change threshold can be set according to the temperature difference threshold of the corresponding temperature difference threshold interval.
  • the target frequency change threshold can be 5Hz;
  • the second operating frequency can be obtained based on the difference between the target fixed frequency and the target frequency change threshold.
  • the target fixed frequency is 50Hz and the target frequency change threshold is 5Hz.
  • the second operating frequency is 45Hz. From this, the air conditioner compression can be determined The target operating frequency of the machine is 45Hz, and the air conditioning compressor is controlled to run at 45Hz.
  • the operation of the air conditioning compressor is further reduced based on the original target fixed frequency determined based on the outdoor ambient temperature.
  • the frequency is conducive to the smooth entry of the air conditioner into the PID control mode, which greatly improves the efficiency and stability of the frequency adjustment of the inverter air conditioner, and can avoid the temperature shutdown phenomenon that is easily caused in the existing technology.
  • the target operating frequency corresponding to the first temperature difference threshold interval is The determination method can determine the target operating frequency of the air conditioner compressor, and then control the air conditioner compressor to operate at the target operating frequency, thereby achieving segmented control of the inverter air conditioner.
  • the method of the embodiment of the present application dynamically determines the air conditioner compression based on the temperature difference between the actual indoor ambient temperature and the target temperature set by the user by setting a multi-section temperature difference threshold interval based on the original outdoor ambient temperature frequency modulation method.
  • the target operating frequency of the inverter air conditioner is realized in a segmented manner to control the frequency adjustment process of the inverter air conditioner, which is conducive to improving the efficiency and stability of the frequency adjustment of the inverter air conditioner.
  • determining the target operating frequency of the air conditioning compressor based on the temperature difference and the preset temperature difference threshold segment interval includes:
  • PID control mode determine the target operating frequency of the air conditioning compressor.
  • the third temperature difference threshold interval described in the embodiment of the present application may be a continuous multiple temperature difference threshold interval of preset temperature difference threshold segment intervals, indicating that the temperature difference between the indoor ambient temperature and the target temperature set by the user is a negative value.
  • the threshold interval may be an interval smaller than the second temperature difference threshold, that is, the second temperature difference threshold is 0°C.
  • the air conditioner when it is determined that the temperature difference between the indoor ambient temperature and the target temperature set by the user is a negative value, that is, the temperature difference is included in the third temperature difference threshold interval in the preset temperature difference threshold segmented interval, it can be Control the air conditioner to directly enter the PID control mode; in the PID control mode, based on the PID control principle, calculate the target operating frequency of the air conditioning compressor, dynamically adjust the operating frequency of the air conditioning compressor, and control the operation of the inverter air conditioner.
  • the method of the embodiment of the present application considers the temperature difference between the actual indoor ambient temperature and the target temperature set by the user, and controls the inverter air conditioner to enter the PID control mode when the temperature difference is negative, which can more effectively achieve the stability of the inverter air conditioner. Transition to PID control.
  • the initial operating frequency of the air conditioning compressor is determined by detecting the outdoor ambient temperature, and then by detecting the temperature difference between the indoor ambient temperature and the target temperature set by the user. If the If the temperature difference is within the second temperature difference threshold interval, that is, the temperature difference is greater than 6°C, the air conditioning compressor is controlled to run at the maximum frequency;
  • the air conditioner is controlled to directly enter the PID control mode for frequency modulation.
  • the temperature difference between the indoor ambient temperature and the target temperature set by the user is obtained by subtracting the indoor ambient temperature from the target temperature set by the user; when the air conditioner is cooling
  • the temperature difference between the indoor ambient temperature and the user-set target temperature is obtained by subtracting the user-set target temperature from the indoor ambient temperature.
  • inverter air conditioners only considers the outdoor ambient temperature and cannot meet the needs of different users. If there are two users in the same area, one sets a higher temperature and the other sets a lower temperature, but However, the air conditioner runs at the same frequency, so it will take longer to meet the needs of one user. Therefore, the different needs of the two cannot be met, and the user experience is poor.
  • the different needs of users can be met.
  • the temperature difference between the user's set temperature and the indoor temperature is large, cooling or heating can be accelerated; on the other hand, segmented control can be achieved, and as the indoor temperature changes, When the temperature is close to the set temperature, the frequency gradually decreases to seek steady-state frequency control, which will not easily cause shutdown when the temperature reaches temperature.
  • the frequency conversion control device for an air conditioner provided by the present application will be described below.
  • the frequency conversion control device for an air conditioner described below and the frequency conversion control method for an air conditioner described above may be mutually referenced.
  • FIG 2 is a schematic structural diagram of the air conditioner frequency conversion control device provided by this application. As shown in Figure 2, it includes:
  • the acquisition module 210 is used to acquire the temperature difference between the indoor ambient temperature and the target temperature set by the user;
  • the control module 220 is used to determine the target operating frequency of the air conditioning compressor based on the temperature difference and the preset temperature difference threshold segment interval, and control the air conditioning compressor to operate at the target operating frequency;
  • the preset temperature difference threshold segmented interval includes multiple temperature difference threshold intervals, and each temperature difference threshold interval corresponds to a method for determining the target operating frequency.
  • the air conditioner frequency conversion control device described in this embodiment can be used to execute the above air conditioner frequency conversion control method embodiment. Its principles and technical effects are similar and will not be described again here.
  • the air conditioner frequency conversion control device considers the temperature difference between the indoor ambient temperature and the target temperature set by the user, adds segmented control logic based on the temperature difference, and determines the segmented interval based on the temperature difference and the preset temperature difference threshold.
  • the temperature difference threshold interval to which the temperature difference belongs and the corresponding target operating frequency are determined, thereby obtaining the target operating frequency of the air-conditioning compressor, and controlling the air-conditioning compressor to operate at the target operating frequency, which can realize segmented control of the inverter air conditioner.
  • Dadi improves the efficiency and stability of the frequency adjustment of the inverter air conditioner, and avoids the phenomenon of temperature shutdown that is easily caused during the frequency adjustment process in the existing technology.
  • FIG 3 is a schematic diagram of the physical structure of a controller in an air conditioner provided by this application.
  • this application also provides an air conditioner, including a controller; the controller may include: a processor (processor) 310, a communication Interface (Communications Interface) 320, memory (memory) 330 and communication bus 340, wherein the processor 310, communication interface 320, and memory 330 complete communication with each other through the communication bus 340.
  • the processor 310 can call the logic instructions in the memory 330 to execute the air conditioner frequency conversion control method provided by each of the above methods.
  • the method includes: obtaining the temperature difference between the indoor ambient temperature and the target temperature set by the user; based on the temperature difference and the preset temperature difference threshold segmented interval, determine the target operating frequency of the air conditioning compressor, and control the air conditioning compressor to operate at the target operating frequency; the preset temperature difference threshold segmented interval includes multiple temperature difference threshold intervals, each The temperature difference threshold interval described in paragraph 1 corresponds to a method for determining the target operating frequency.
  • the above-mentioned logical instructions in the memory 330 can be implemented in the form of software functional units and can be stored in a computer-readable storage medium when sold or used as an independent product.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program code. .
  • the present application also provides a computer program product.
  • the computer program product includes a computer program.
  • the computer program can be stored on a non-transitory computer-readable storage medium.
  • the computer can Executing the air conditioner frequency conversion control method provided by each of the above methods, the method includes: obtaining the temperature difference between the indoor ambient temperature and the target temperature set by the user; determining the air conditioner compressor based on the temperature difference and the preset temperature difference threshold segment interval the target operating frequency, and controls the air conditioning compressor to operate at the target operating frequency; the preset temperature difference threshold segmented interval includes multiple temperature difference threshold intervals, and each of the temperature difference threshold intervals corresponds to one of the target operations How frequency is determined.
  • the present application also provides a non-transitory computer-readable storage medium on which a computer program is stored.
  • the computer program is implemented when executed by the processor to execute the air conditioner frequency conversion control method provided by the above methods.
  • the method includes: obtaining the temperature difference between the indoor ambient temperature and the target temperature set by the user; determining the target operating frequency of the air-conditioning compressor based on the temperature difference and the preset temperature difference threshold segment interval, and controlling the air-conditioning compressor in the Operate at the target operating frequency; the preset temperature difference threshold segmented intervals include multiple temperature difference threshold intervals, and each of the temperature difference threshold intervals corresponds to a method for determining the target operating frequency.
  • the device embodiments described above are only illustrative.
  • the units described as separate components may or may not be physically separated.
  • the components shown as units may or may not be physical units, that is, they may be located in One location, or it can be distributed across multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Persons of ordinary skill in the art can understand and implement the method without any creative effort.
  • each embodiment can be implemented by software plus a necessary general hardware platform, and of course, it can also be implemented by hardware.
  • the computer software product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., including a number of instructions to cause a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in various embodiments or certain parts of the embodiments.

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  • Combustion & Propulsion (AREA)
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Abstract

La présente demande concerne un procédé et un appareil de commande à fréquence variable pour un climatiseur, et un climatiseur et un support d'enregistrement. Le procédé consiste à : acquérir une différence de température entre une température ambiante intérieure et une température cible qui est définie par un utilisateur ; et sur la base de la différence de température et d'un intervalle de valeur de seuil de différence de température segmenté prédéfini, déterminer une fréquence de fonctionnement cible d'un compresseur de climatisation, et commander le compresseur de climatisation pour qu'il fonctionne à la fréquence de fonctionnement cible, l'intervalle de valeur de seuil de différence de température segmenté prédéfini comprenant une pluralité de segments d'intervalles de valeur de seuil de différence de température ; et chaque segment d'un intervalle de valeur de seuil de différence de température correspondant à un mode de détermination de la fréquence de fonctionnement cible. Dans la présente demande, une commande segmentée d'un climatiseur à fréquence variable peut être réalisée, ce qui permet d'améliorer considérablement l'efficacité et la stabilité d'un réglage de fréquence du climatiseur à fréquence variable, de telle sorte qu'un arrêt lorsque la température est atteinte, qui est facilement provoqué pendant un processus de réglage de fréquence dans l'état de la technique, est évité.
PCT/CN2022/143705 2022-04-13 2022-12-30 Procédé et appareil de commande à fréquence variable pour climatiseur, et climatiseur et support d'enregistrement WO2023197694A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210388767.0 2022-04-13
CN202210388767.0A CN114811830A (zh) 2022-04-13 2022-04-13 空调器变频控制方法、装置、空调器及存储介质

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WO2023197694A1 true WO2023197694A1 (fr) 2023-10-19

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