WO2022160652A1 - Procédé et dispositif de commande pour climatiseur et climatiseur - Google Patents

Procédé et dispositif de commande pour climatiseur et climatiseur Download PDF

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Publication number
WO2022160652A1
WO2022160652A1 PCT/CN2021/111466 CN2021111466W WO2022160652A1 WO 2022160652 A1 WO2022160652 A1 WO 2022160652A1 CN 2021111466 W CN2021111466 W CN 2021111466W WO 2022160652 A1 WO2022160652 A1 WO 2022160652A1
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WIPO (PCT)
Prior art keywords
air conditioner
temperature
target
operation mode
preset
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PCT/CN2021/111466
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English (en)
Chinese (zh)
Inventor
吕科磊
刘超
刘艳丽
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 WO2022160652A1 publication Critical patent/WO2022160652A1/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
    • F24F11/62—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present application relates to the technical field of smart home appliances, for example, to a control method and device for an air conditioner, and an air conditioner.
  • An air conditioner is a widely used air conditioning device whose main function is to adjust the temperature and humidity of the air.
  • the national standard for high-temperature cooling capacity of an air-conditioning system requires the ratio of high-temperature cooling capacity/rated cooling capacity to be greater than or equal to 85%, but in actual testing, the margin of this ratio is small, that is, the high-temperature cooling capacity is small.
  • the main factor affecting the high-temperature cooling capacity of the air conditioner is the self-protection mechanism of the air conditioner. When the air conditioner operates under high temperature conditions, the load of the system increases. Under this state, the evaporating temperature and condensing temperature will increase accordingly. Once the pressure of the air conditioning system reaches the protection value , the compressor will be frequency-limited to prohibit the compressor frequency from rising, but at this time, the high-temperature cooling capacity is not fully utilized.
  • the current self-protection mechanism of the air conditioner will limit the current and frequency when the temperature is high, which reduces the cooling capacity of the air conditioner, and fails to bring a comfortable cooling feeling to the user at high temperature, resulting in a poor user experience.
  • the embodiments of the present disclosure provide a control method and device for an air conditioner, and an air conditioner, in order to solve the current self-protection mechanism of the air conditioner, in order to protect the service life of the air conditioner, the current and frequency limits are limited at high temperature, which reduces the refrigeration capacity of the air conditioner, and fails to It brings a comfortable cool feeling to the user at high temperature, which leads to the problem of poor user experience.
  • a control method for an air conditioner includes: when the air conditioner is running for refrigeration, obtaining a temperature difference between the ambient temperature and the air outlet temperature of the air conditioner; when the temperature difference is greater than or equal to a preset temperature difference, obtaining the current temperature difference determine the target operation mode when the air conditioner operates with the maximum cooling capacity under the temperature and humidity environment conditions; control the air conditioner to operate according to the target operation mode.
  • a control device for an air conditioner includes a processor and a memory storing program instructions, and the processor is configured to execute the aforementioned control method for an air conditioner when the program instructions are executed.
  • an air conditioner includes the aforementioned control device for an air conditioner.
  • control method and device for an air conditioner and the air conditioner provided by the embodiments of the present disclosure can achieve the following technical effects:
  • the air conditioner determines the target operation mode of the air conditioner when the air conditioner operates with the maximum cooling capacity under the environmental temperature and humidity conditions, and control the The air conditioner operates according to the target operation mode. In this way, the air conditioner operates at the maximum cooling capacity under the current temperature and humidity environment when the temperature is high, which can achieve rapid cooling, bring the ultimate cooling sensation to the user, and improve the user experience.
  • FIG. 1 is a schematic flowchart of a control method for an air conditioner provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of another control method for an air conditioner provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart of another control method for an air conditioner provided by an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of another control device for an air conditioner provided by an embodiment of the present disclosure.
  • the term "plurality” means two or more.
  • the character "/" indicates that the preceding and following objects are in an "or" relationship.
  • A/B means: A or B.
  • the term “and/or” is an associative relationship describing objects, indicating that three relationships can exist.
  • a and/or B means: A or B, or, A and B three relationships.
  • an embodiment of the present disclosure provides a control method for an air conditioner, including the following steps:
  • the ambient temperature of the environment where the air conditioner is located detected by the temperature sensor is obtained, and a temperature sensing device is installed at the air outlet of the air conditioner to detect the air outlet temperature of the air conditioner.
  • the temperature difference between the two is obtained by separately obtaining the ambient temperature and the air outlet temperature of the air conditioner.
  • An optional value range of the preset temperature difference is [2°C, 5°C], for example, 2°C, 3°C, 4°C, and 5°C.
  • S103 Determine a target operation mode when the air conditioner operates with a maximum cooling capacity under a temperature and humidity environment.
  • the temperature and humidity environment conditions include outdoor ambient temperature, outdoor ambient humidity, indoor ambient temperature, and indoor ambient humidity.
  • the operation mode of the air conditioner when it exerts its maximum cooling capacity is different. For example, when the air conditioner is running for cooling, the fan speed of the air conditioner when it exerts its maximum cooling capacity in the outdoor environment of high temperature and high humidity is smaller than that of the outdoor fan. The fan speed when the air conditioner exerts its maximum cooling capacity under high temperature and low humidity environment; the compressor operating frequency when the air conditioner exerts its maximum cooling capacity under the indoor high temperature environment is greater than the indoor low temperature environment. fan speed.
  • the main feature of the target operation mode of the embodiment of the present disclosure is to maximize the cooling capacity of the air conditioner under the current temperature and humidity environment to improve the user's extreme cooling experience.
  • the maximum discharge temperature of the compressor was detected under different temperature and humidity environmental conditions, and the results of the compressor at different temperature and humidity were obtained.
  • the maximum discharge temperature under ambient conditions and establish a first correlation table between different temperature and humidity conditions and the maximum discharge temperature of the compressor, and the maximum discharge temperature of the compressor and the operation when the compressor operates at the maximum discharge temperature
  • the target operation mode includes a target operation frequency of the compressor of the air conditioner; determining the target operation frequency includes: obtaining a maximum discharge temperature of the compressor under a temperature and humidity environment; The operating frequency is the target operating frequency.
  • the maximum discharge temperature of the compressor under the temperature and humidity environment is determined by looking up the first correlation table; Operating frequency when operating at air temperature.
  • the target operation mode further includes a target adjustment opening degree of the throttle valve of the air conditioner; determining the target adjustment opening degree includes: obtaining the adjustment opening degree of the throttle valve when the compressor operates at the maximum discharge temperature; determining the adjustment opening degree. is the target adjustment opening.
  • the adjustment opening degree of the throttle valve when the compressor operates at the maximum discharge temperature is determined by searching the second correlation table.
  • the target operation mode further includes a target rotational speed of the fan of the air conditioner; determining the target rotational speed includes: obtaining the rotational speed of the fan when the compressor operates at the maximum exhaust temperature; and determining the rotational speed as the target adjustment opening.
  • the rotational speed of the fan when the compressor operates at the maximum discharge temperature is determined by searching the second correlation table.
  • the target operation mode includes a target operation frequency of the compressor of the air conditioner; determining the target operation frequency includes: determining a first target air conditioner within a preset geographic location range and having the same specification as the air conditioner; obtaining the temperature of the first target air conditioner.
  • the historical operating frequency of the compressor under the humidity environment it is determined that the occurrence frequency in the historical operating frequency is greater than the preset occurrence frequency, and the operating frequency with the largest operating frequency value is the target operating frequency.
  • the air conditioners in the preset geographic location range may be air conditioners located on the same street or belonging to the same residential area; air conditioners of the same specification may be air conditioners of the same model or performance. Air conditioners with the same specifications in the preset geographic location can be connected to the same local area network or 5G to achieve communication connection.
  • the air conditioning needs of the users in the preset geographic location range are similar, the historical operating frequencies of the compressors of the first target air conditioner located in the preset geographic location range and with the same specifications as the air conditioner under the environmental conditions of temperature and humidity are obtained, and the Select the running frequency whose occurrence frequency in the historical running frequency is greater than the preset occurrence frequency (for example, 50%) and has the largest running frequency value as the target running frequency, so that the target running frequency of the air-conditioning compressor can be obtained without user intervention.
  • the preset occurrence frequency for example, 50%
  • S104 Control the air conditioner to operate according to the target operation mode.
  • the air conditioner is controlled to operate according to the target operation mode, so as to obtain the maximum cooling capacity of the air conditioner under the current temperature and humidity environment.
  • the control method for an air conditioner provided by the embodiment of the present disclosure, when the air conditioner is in refrigeration operation, when the temperature difference between the ambient temperature and the air outlet temperature of the air conditioner is greater than or equal to the preset temperature difference, it is determined that the air conditioner is in a temperature and humidity environment condition
  • the target operation mode when running at the maximum cooling capacity below, and control the air conditioner to operate according to the target operation mode.
  • the air conditioner operates at the maximum cooling capacity under the current temperature and humidity environment when the temperature is high, which can achieve rapid cooling, bring the ultimate cooling sensation to the user, and improve the user experience.
  • control method for the air conditioner further includes: before controlling the air conditioner to operate according to the target operation mode, identifying the identity information of the user in the preset area; wherein, the preset area is the direct blowing area of the air conditioner; confirming the identity information in the Does not contain any one of the preset identity information; wherein, the preset identity information includes the elderly, children, pregnant women and specific identity information.
  • the image information of the user in the preset area is obtained by using an image acquisition device (such as a camera), and the identity information of the user is determined through image recognition.
  • the identity information obtained by the identification is matched with the pre-stored preset identity information, so as to determine whether the obtained identity information belongs to any one of the preset identity information.
  • the specific identity information may be some specific users who are in a state of illness, and the image information of the user with special air conditioning needs can be uploaded in advance, so that the identity information of the user can be determined to belong to the specific identity information through image recognition.
  • the target operation mode is the operation mode when the air conditioner is running at the maximum cooling capacity. When the air conditioner is running at the maximum cooling capacity, it avoids the elderly, children, pregnant women and other people who are sensitive to extremely cold air flow, thereby reducing the impact of low temperature air flow on such people. The impact on physical health is more humane.
  • control method for an air conditioner further includes: when the temperature difference is less than a preset temperature difference, obtaining a historical operation record of the air conditioner; determining a first operation mode within a preset time period in the historical operation record ; Control the air conditioner to operate according to the first operation mode.
  • the preset time period may be a time period when the air conditioner performs cooling operation under the same environmental conditions of temperature and humidity.
  • the operation mode of the forced cooling of the air conditioner is ended, and the operation is performed according to the user's usual cooling mode, which meets the user's habitual cooling adjustment needs and is more user-friendly.
  • control method for an air conditioner further includes: when the temperature difference is less than a preset temperature difference, determining a second target air conditioner with the shortest distance from the geographic location of the air conditioner and having the same specification as the air conditioner; Obtain the second operation mode of the current operation of the second target air conditioner; control the air conditioner to operate according to the second operation mode.
  • the target air conditioner By determining the target air conditioner with the shortest distance from the geographical location of the air conditioner and the same specification as the air conditioner, obtain and operate according to the current operation mode of the target air conditioner.
  • the operation mode of the air conditioner can be determined without user intervention, and in this operation mode, the current actual cooling demand of the user can be basically met, a good cooling effect can be achieved, and it is more user-friendly.
  • an embodiment of the present disclosure provides a control method for an air conditioner, including the following steps:
  • S203 Determine the target operation mode when the air conditioner operates with the maximum cooling capacity under the environmental conditions of temperature and humidity.
  • the preset area is the direct blowing area of the air conditioner.
  • the preset identity information includes the elderly, children, pregnant women, and specific identity information.
  • the air conditioner during the cooling operation of the air conditioner, when the temperature difference between the ambient temperature and the air outlet temperature of the air conditioner is greater than or equal to the preset temperature difference, it is determined that the air conditioner operates at the maximum cooling capacity under the temperature and humidity environment conditions.
  • the target operation mode during operation, and the air conditioner is controlled to operate according to the target operation mode, which can achieve rapid cooling, bring the ultimate cooling sensation to the user, and improve the user experience; Children, pregnant women and other people who are sensitive to extremely cold airflow, thus reducing the impact of low temperature airflow on the health of such people, making it more humane.
  • an embodiment of the present disclosure provides a control method for an air conditioner, including the following steps:
  • S302 Determine whether the temperature difference is greater than or equal to a preset temperature difference.
  • S304 Determine the target operation mode when the air conditioner operates with the maximum cooling capacity under the environmental conditions of temperature and humidity.
  • S305 Control the air conditioner to operate according to the target operation mode.
  • S307 Determine the first operation mode within the preset time period in the historical operation record.
  • S308 Control the air conditioner to operate according to the first operation mode.
  • the air conditioner when the temperature difference between the ambient temperature and the air outlet temperature of the air conditioner is greater than or equal to the preset temperature difference, it is determined that the air conditioner operates at the maximum cooling capacity under the temperature and humidity environment conditions.
  • the target operation mode during operation, and the air conditioner is controlled to operate according to the target operation mode, which can achieve rapid cooling, bring the ultimate coolness to the user, and improve the user experience; on the other hand, when the temperature difference is less than the preset temperature difference.
  • End the operation mode of forced cooling of the air conditioner and operate according to the user's usual cooling mode, which meets the user's habitual cooling and adjustment needs, and is more user-friendly.
  • a control device for an air conditioner which includes a processor (processor) 40 and a memory (memory) 41 , and may also include a communication interface (Communication Interface) 42 and a bus 43 .
  • the processor 40 , the communication interface 42 , and the memory 41 can communicate with each other through the bus 43 .
  • the communication interface 42 may be used for information transfer.
  • the processor 40 may invoke the logic instructions in the memory 41 to execute the control method for an air conditioner of the above-mentioned embodiment.
  • logic instructions in the memory 41 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 memory 41 can be used to store software programs and computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure.
  • the processor 40 executes the function application and data processing by executing the program instructions/modules stored in the memory 41, that is, to implement the control method for the air conditioner in the above method embodiments.
  • the memory 41 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like.
  • the memory 41 may include high-speed random access memory, and may also include non-volatile memory.
  • An embodiment of the present disclosure provides an air conditioner, including the above-mentioned control device for an air conditioner.
  • Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions, where the computer-executable instructions are configured to execute the above-mentioned control method for an air conditioner.
  • An embodiment of the present disclosure provides a computer program product, where the computer program product includes a computer program stored on a computer-readable storage medium, and the computer program includes program instructions that, when executed by a computer, cause all The computer executes the above-described control method for an air conditioner.
  • the above-mentioned computer-readable storage medium may be a transient computer-readable storage medium, and may also be a non-transitory computer-readable storage medium.
  • the technical solutions of the embodiments of the present disclosure may be embodied in the form of software products, and the computer software products are stored in a storage medium and include one or more instructions to enable a computer device (which may be a personal computer, a server, or a network equipment, etc.) to execute all or part of the steps of the methods described in the embodiments of the present disclosure.
  • the aforementioned storage medium can be a non-transitory storage medium, including: U disk, removable hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, etc.
  • a first element could be termed a second element, and similarly, a second element could be termed a first element, so long as all occurrences of "the first element” were consistently renamed and all occurrences of "the first element” were named consistently
  • the “second element” can be renamed consistently.
  • the first element and the second element are both elements, but may not be the same element.
  • the terms used in this application are used to describe the embodiments only and not to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a” (a), “an” (an) and “the” (the) are intended to include the plural forms as well, unless the context clearly dictates otherwise. .
  • the term “and/or” as used in this application is meant to include any and all possible combinations of one or more of the associated listings.
  • the term “comprise” and its variations “comprises” and/or including and/or the like refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings of these.
  • an element qualified by the phrase “comprising a" does not preclude the presence of additional identical elements in the process, method, or device that includes the element.
  • each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other.
  • the methods, products, etc. disclosed in the embodiments if they correspond to the method section disclosed in the embodiments, reference may be made to the description of the method section for relevant parts.
  • the disclosed methods and products may be implemented in other ways.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units may only be a logical function division.
  • there may be other division methods for example, multiple units or components may be combined Either it can be integrated into another system, or some features can be omitted, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • each functional unit in the embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more functions for implementing the specified logical function(s) executable instructions.
  • the functions noted in the blocks may occur out of the order noted in the figures. For example, two blocks 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.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne le domaine technique des appareils électroménagers intelligents et concerne un procédé de commande pour un climatiseur, consistant : à obtenir une valeur de différence de température entre une température d'environnement et une température de sortie d'air du climatiseur pendant l'opération de réfrigération du climatiseur ; à obtenir la condition actuelle de température et d'environnement d'humidité à condition que la valeur de différence de température soit supérieure ou égale à une valeur de différence de température prédéfinie ; à déterminer un mode de fonctionnement cible lorsque le climatiseur fonctionne à la capacité de réfrigération maximale dans la condition d'environnement de température et d'humidité ; et à commander le climatiseur pour son opération selon le mode de fonctionnement cible. Dans l'environnement à haute température, le climatiseur fonctionne à la capacité de réfrigération maximale dans la condition actuelle de température et d'environnement d'humidité, de sorte qu'une réfrigération rapide peut être obtenue, une sensation extrêmement froide est apportée à un utilisateur et l'expérience de l'utilisateur est améliorée. La présente invention concerne en outre un dispositif de commande pour le climatiseur et le climatiseur.
PCT/CN2021/111466 2021-02-01 2021-08-09 Procédé et dispositif de commande pour climatiseur et climatiseur WO2022160652A1 (fr)

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