WO2022267778A1 - Procédé et appareil pour préchauffer un climatiseur, climatiseur et système de climatisation - Google Patents

Procédé et appareil pour préchauffer un climatiseur, climatiseur et système de climatisation Download PDF

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Publication number
WO2022267778A1
WO2022267778A1 PCT/CN2022/093894 CN2022093894W WO2022267778A1 WO 2022267778 A1 WO2022267778 A1 WO 2022267778A1 CN 2022093894 W CN2022093894 W CN 2022093894W WO 2022267778 A1 WO2022267778 A1 WO 2022267778A1
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Prior art keywords
compressor
preheating
preset
temperature
surface temperature
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PCT/CN2022/093894
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English (en)
Chinese (zh)
Inventor
许文明
王飞
崔文娟
于文文
张美娇
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 WO2022267778A1 publication Critical patent/WO2022267778A1/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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air

Definitions

  • the present application relates to the technical field of smart home appliances, for example, to a method and device for preheating an air conditioner, an air conditioner and an air conditioning system.
  • the temperature of the compressor cavity often drops very quickly.
  • the temperature of the compressor cavity drops too much, it will take a long time to preheat and cannot be reached as soon as possible in a short time.
  • the user's heating demand affects the heating efficiency, which in turn affects the user's experience.
  • Embodiments of the present disclosure provide a method and device for preheating an air conditioner, an air conditioner and an air conditioning system, so as to improve the preheating efficiency of the air conditioner in a cold state.
  • the method includes: determining the preheating demand of the compressor according to the outdoor ambient temperature and the temperature parameters of the compressor cavity; if the preheating demand indicates that the compressor needs to be preheated, then It is assumed that the decay speed of the temperature parameter of the compressor cavity within the period determines the preheating scheme for the compressor.
  • the temperature parameter of the compressor cavity meeting the preset parameters includes: the inner surface temperature of the compressor cavity is greater than a first preset surface temperature, and the outer surface temperature of the compressor cavity greater than the second preset surface temperature; said determining the preheating demand of the compressor according to the outdoor ambient temperature and the temperature parameters of the compressor cavity includes: when the outdoor ambient temperature is less than or equal to the preset ambient temperature, if the If the temperature parameter of the cavity of the compressor satisfies the preset parameter, it is determined that the compressor needs to be preheated.
  • the determination of the first preset surface temperature and the second preset surface temperature includes: according to the outdoor ambient temperature, from the correlation between the outdoor ambient temperature and the preset surface temperature, determining the The first preset surface temperature and the second preset surface temperature.
  • the temperature parameters of the compressor cavity include: the inner surface temperature of the compressor cavity and the outer surface temperature of the compressor cavity;
  • the decay speed determines the preheating scheme for the compressor, including: determining the temperature of the compressor cavity according to the decay speed of the inner surface temperature of the compressor cavity and the decay rate of the outer surface temperature of the compressor cavity within the preset period. Compressor preheating scheme.
  • the preheating of the compressor is determined according to the decay rate of the inner surface temperature of the compressor cavity and the decay rate of the outer surface temperature of the compressor cavity within the preset period
  • the scheme includes: if the decay speed of the inner surface temperature of the compressor cavity is greater than a first preset attenuation value, and the decay rate of the outer surface temperature of the compressor cavity is greater than a second preset attenuation value, then for the The compressor performs preheating at the first preheating gear; if the decay rate of the inner surface temperature of the compressor cavity is less than or equal to the first preset decay value, and/or the cavity outside the compressor If the attenuation speed of the surface temperature is less than or equal to the second preset attenuation value, then the compressor is preheated at the second preheating gear; wherein, the preheating parameter of the second preheating gear is less than the set Describe the preheating parameters of the first preheating gear.
  • the determination of the first preset attenuation value and the second preset attenuation value includes: according to the first preset surface temperature and the second preset surface temperature, from a preset In the relationship between surface temperature and attenuation value, determine the first preset attenuation value corresponding to the first preset surface temperature, and the second preset attenuation value corresponding to the second preset surface temperature .
  • determining the preheating demand of the compressor according to the outdoor ambient temperature and the temperature parameters in the compressor cavity further includes: when the outdoor ambient temperature is less than or equal to the preset ambient temperature, if the compressor If the temperature parameter of the engine cavity does not meet the preset parameter, it is determined that the compressor does not need to be preheated; or, when the outdoor ambient temperature is greater than the preset ambient temperature, it is determined that the compressor does not need to be preheated machine to preheat.
  • the device includes: a first determination module configured to determine the preheating requirement of the compressor according to the outdoor ambient temperature and temperature parameters of the compressor cavity; a second determination module configured to The preheating demand indicates that the compressor needs to be preheated, and the compressor preheating scheme is determined according to the decay speed of the temperature parameter of the compressor cavity within a preset period.
  • the air conditioner includes a processor and a memory storing program instructions, and the processor is configured to execute the aforementioned method for preheating the air conditioner when executing the program instructions.
  • the air conditioning system includes the aforementioned air conditioner.
  • the method, device, air conditioner and air conditioner system provided in the embodiments of the present disclosure for preheating an air conditioner can achieve the following technical effects:
  • the parameters for preheating the compressor are determined according to the outdoor ambient temperature and the temperature parameters of the compressor cavity to determine the preheating demand of the compressor. If the preheating demand indicates that the compressor needs to be preheated, a preheating scheme for the compressor is determined according to a decay rate of a temperature parameter of the compressor cavity within a preset period. Periodically calculate the decay rate of the temperature parameter of the compressor cavity, and use this to determine the preheating plan for the compressor, so that the compressor can be adjusted in time if the temperature parameter of the compressor cavity does not drop to a very low level. Preheating, so that the preheating time of the compressor will not be too long, and the heating demand of the user can be met as soon as possible, thereby improving the heating efficiency and ensuring the user experience.
  • FIG. 1 is a schematic diagram of a method for preheating an air conditioner provided by an embodiment of the present disclosure
  • Fig. 2 is a method for preheating an air conditioner provided by an embodiment of the present disclosure.
  • the preheating of the compressor is determined according to the decay speed of the inner surface temperature of the compressor cavity and the decay speed of the outer surface temperature of the compressor cavity.
  • Fig. 3 is a schematic diagram of a device for preheating an air conditioner provided by an embodiment of the present disclosure
  • Fig. 4 is a schematic diagram of an air conditioner provided by an embodiment of the present disclosure.
  • A/B means: A or B.
  • a and/or B means: A or B, or, A and B, these three relationships.
  • an embodiment of the present disclosure provides a method for preheating an air conditioner, including:
  • the air conditioner determines the preheating demand of the compressor according to the outdoor ambient temperature and the temperature parameters of the compressor cavity.
  • the air conditioner executes. If the preheating demand indicates that the compressor needs to be preheated, determine a preheating scheme for the compressor according to the decay speed of the temperature parameter of the compressor cavity within a preset period.
  • the number of sensors, Tn is the outdoor ambient temperature detected by the nth outdoor sensor of the air conditioner.
  • the outdoor ambient temperature detected by the outdoor unit sensor of this air conditioner is T 3 , and the deviation between T 3 and T is calculated. If
  • /T>30, the value detected by the outdoor unit sensor of this air conditioner is eliminated, and the final outdoor Ambient temperature Tao (T 0 +T)/2.
  • the air conditioner then acquires the final outdoor ambient temperature Tao.
  • the temperature parameters of the compressor cavity include the inner surface temperature of the compressor cavity and the outer surface temperature of the compressor cavity.
  • Thermocouples are respectively arranged on the inner surface and the outer surface of the compressor cavity, and the air conditioner obtains the inner surface temperature of the compressor cavity and the outer surface temperature of the compressor cavity through the thermocouples.
  • the air conditioner determines the preheating demand of the compressor according to the final outdoor ambient temperature Tao and the temperature parameters of the compressor cavity.
  • the temperature parameter of the compressor cavity meeting the preset parameter includes: the inner surface temperature of the compressor cavity is greater than a first preset surface temperature, and the outer surface temperature of the compressor cavity is greater than a second preset surface temperature. If the inner surface temperature of the compressor cavity is less than or equal to the first preset surface temperature, and/or the outer surface temperature of the compressor cavity is less than or equal to the second preset surface temperature, the temperature parameter of the compressor cavity does not satisfy Preset parameters.
  • the air conditioner determines that the compressor needs to be preheated; when the final outdoor ambient temperature is greater than the preset ambient temperature temperature, the air conditioner determines that there is no need to preheat the compressor; when the final outdoor ambient temperature is less than or equal to the preset ambient temperature, if the temperature parameters of the compressor cavity do not meet the preset parameters, the air conditioner determines that The compressor needs to be preheated.
  • the preset ambient temperature is 5°C.
  • the final outdoor ambient temperature is greater than the preset ambient temperature, it means that the outdoor ambient temperature is not very low and will not affect the heating of the air conditioner, so there is no need to preheat the compressor; when the final outdoor ambient temperature is less than or equal to
  • the ambient temperature is preset, if the temperature parameters of the compressor cavity do not meet the preset parameters, it means that the inner surface temperature and/or outer surface temperature of the compressor cavity can match the current outdoor ambient temperature. Its performance will not be affected at low temperature, nor will it affect the heating when it is turned on, so there is no need to preheat the compressor.
  • the air conditioner determines the preheating scheme for the compressor according to the decay speed of the temperature parameter of the compressor cavity within the preset period, that is, according to the The decay rate of the inner surface temperature of the cavity and the decay rate of the outer surface temperature of the compressor cavity determine the preheating scheme for the compressor.
  • the preset period is 2 minutes.
  • the parameters for preheating the compressor are determined according to the outdoor ambient temperature and the temperature parameters of the compressor cavity to determine the preheating demand of the compressor. If the preheating demand indicates that the compressor needs to be preheated, a preheating scheme for the compressor is determined according to a decay rate of a temperature parameter of the compressor cavity within a preset period. Periodically calculate the decay rate of the temperature parameter of the compressor cavity, and use this to determine the preheating plan for the compressor, so that the compressor can be adjusted in time if the temperature parameter of the compressor cavity does not drop to a very low level. Preheating, so that the preheating time of the compressor will not be too long, and the heating demand of the user can be met as soon as possible, thereby improving the heating efficiency and ensuring the user experience.
  • the determination of the first preset surface temperature and the second preset surface temperature includes: the air conditioner determines the first preset surface temperature and Second preset surface temperature.
  • the correlation between the outdoor ambient temperature and the preset surface temperature includes the correspondence between one or more outdoor ambient temperatures and the first preset surface temperature, and the correspondence between one or more outdoor ambient temperatures and the second preset surface temperature, such as Table 1 shows:
  • different outdoor ambient temperatures correspond to different first preset surface temperatures and second preset surface temperatures, realizing the hierarchical setting of the first preset surface temperature and the second preset surface temperature, It avoids the problem that if different outdoor ambient temperatures use the same preset surface temperature, the preheating requirement may not be met or energy waste may be caused.
  • the preheating scheme for the compressor is determined according to the decay rate of the inner surface temperature of the compressor cavity and the decay rate of the outer surface temperature of the compressor cavity, including:
  • the air conditioner executes the first step on the compressor if the decay speed of the inner surface temperature of the compressor cavity is greater than the first preset decay value, and the decay speed of the compressor cavity outer surface temperature is greater than the second preset decay value. Preheating of a preheating gear;
  • the air conditioner executes if the decay rate of the inner surface temperature of the compressor cavity is less than or equal to the first preset decay value, and/or the decay rate of the compressor cavity outer surface temperature is less than or equal to the second preset decay value, Then preheat the compressor at the second preheating gear; wherein, the preheating parameter of the second preheating gear is smaller than the preheating parameter of the first preheating gear.
  • the decay speed of the inner surface temperature of the compressor cavity is compared with the first preset decay value, and the decay speed of the outer surface temperature of the compressor cavity is compared with the second preset decay value. If the decay speed of the inner surface temperature of the compressor cavity is greater than the first preset attenuation value, and the decay rate of the outer surface temperature of the compressor cavity is greater than the second preset attenuation value, the air conditioner performs the first preheating of the compressor The preheating of the gear; otherwise, that is, if the decay rate of the inner surface temperature of the compressor cavity is less than or equal to the first preset decay value, and/or the decay rate of the compressor cavity outer surface temperature is less than or equal to the second preset If the attenuation value is set, the air conditioner will preheat the compressor at the second preheating gear; the preheating parameter of the second preheating gear is smaller than the preheating parameter of the first preheating gear, that is, the first preheating gear It is preheating for high gear,
  • the preheating parameters of the first preheating gear are: the preheating time is 2 minutes, and the preheating power is 20W; the preheating parameters of the second preheating gear are: the preheating time is 5 minutes, and the preheating power is 30W .
  • the compressor when it is determined that the compressor needs to be preheated, by setting the attenuation value and judging the speed of the decay speed of the inner surface temperature and the outer surface temperature of the compressor cavity, it is determined whether the compressor needs to be preheated.
  • the preheating gear that is to say, on the basis of ensuring the effective preheating of the compressor, the temperature decay speed of the inner and outer surfaces of the compressor cavity is matched with the preheating of different gears to prevent energy loss. waste.
  • the determination of the first preset attenuation value and the second preset attenuation value includes: the air conditioner determines, according to the first preset surface temperature, from the correlation relationship between the preset surface temperature and the attenuation value, which is related to the first preset attenuation value.
  • the air conditioner determines the second preset attenuation value corresponding to the second preset surface temperature from the correlation between the preset surface temperature and the attenuation value according to the second preset surface temperature.
  • the relationship between the preset surface temperature and the attenuation value includes one or more correspondences between the first preset surface temperature and the first preset attenuation value, as shown in Table 2:
  • the first preset surface temperature The first preset attenuation value ⁇ t 1 50°C 5°C 40°C 6°C
  • the relationship between the preset surface temperature and the attenuation value includes one or more correspondences between the second preset surface temperature and the second preset attenuation value, as shown in Table 3:
  • Second preset surface temperature The second preset attenuation value ⁇ t 2 70°C 8°C 60°C 10°C
  • different first preset surface temperatures correspond to different first preset attenuation values
  • different second preset surface temperatures correspond to different second preset attenuation values.
  • the graded setting of the first preset attenuation value and the second preset attenuation value avoids using the same preset attenuation value for different first preset surface temperatures and second preset surface temperatures, which may fail to meet the preheating requirements or may cause energy waste The problem.
  • an embodiment of the present disclosure provides an apparatus for preheating an air conditioner, including a first determination module 301 and a second determination module 302 .
  • the first determining module 301 is configured to determine the preheating requirement of the compressor according to the outdoor ambient temperature and the temperature parameters of the compressor cavity.
  • the second determining module 302 is configured to determine a preheating scheme for the compressor according to a decay rate of a temperature parameter of the compressor cavity within a preset period if the preheating demand indicates that the compressor needs to be preheated.
  • the parameters for preheating the compressor are determined according to the outdoor ambient temperature and the temperature parameters of the compressor cavity to determine the preheating demand of the compressor. If the preheating demand indicates that the compressor needs to be preheated, the preheating scheme for the compressor is determined according to the decay speed of the temperature parameter of the compressor cavity within the preset period. Periodically calculate the decay rate of the temperature parameter of the compressor cavity, and use this to determine the preheating plan for the compressor, so that the compressor can be adjusted in time if the temperature parameter of the compressor cavity does not drop to a very low level. Preheating, so that the preheating time of the compressor will not be too long, and the heating demand of the user can be met as soon as possible, thereby improving the heating efficiency and ensuring the user experience.
  • an embodiment of the present disclosure provides an air conditioner, including a processor (processor) 100 and a memory (memory) 101 .
  • the air conditioner may also include a communication interface (Communication Interface) 102 and a bus 103.
  • Communication interface 102 may be used for information transfer.
  • the processor 100 may invoke logic instructions in the memory 101 to execute the method for preheating an air conditioner in the above embodiments.
  • the above logic instructions in the memory 101 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 an independent product.
  • the memory 101 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 100 executes the program instructions/modules stored in the memory 101 to execute functional applications and data processing, that is, to implement the method for preheating the air conditioner in the above embodiments.
  • the memory 101 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the terminal device, and the like.
  • the memory 101 may include a high-speed random access memory, and may also include a non-volatile memory.
  • An embodiment of the present disclosure provides an air conditioning system, including the above-mentioned air conditioner.
  • An embodiment of the present disclosure provides a computer-readable storage medium, which stores computer-executable instructions, and the computer-executable instructions are configured to execute the above-mentioned method for preheating an air conditioner.
  • An embodiment of the present disclosure provides a computer program product.
  • the computer program product includes a computer program stored on a computer-readable storage medium.
  • the computer program includes program instructions. warm-up method.
  • the above-mentioned computer-readable storage medium may be a transitory computer-readable storage medium, or a non-transitory computer-readable storage medium.
  • the technical solutions of the embodiments of the present disclosure can be embodied in the form of software products, which are stored in a storage medium and include one or more instructions to make a computer device (which can be a personal computer, a server, or a network equipment, etc.) to execute all or part of the steps of the methods of the embodiments of the present disclosure.
  • the aforementioned storage medium can be a non-transitory storage medium, including: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc.
  • 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 listed ones.
  • the term “comprise” and its variants “comprises” and/or comprising (comprising) etc. 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 statement “comprising a " does not preclude the presence of additional identical elements in the process, method or apparatus comprising the element.
  • the disclosed methods and products can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of units may only be a logical function division.
  • multiple units or components may be combined or may be Integrate into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • a unit described as a separate component may or may not be physically separated, and a component displayed as a unit may or may not be a physical unit, that is, it may be located in one place, or may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to implement this embodiment.
  • each functional unit in the embodiments of the present disclosure may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • each block in a flowchart or block diagram may represent a module, program segment, or portion of code that contains one or more executable instruction.
  • the functions noted in the block may occur out of the order noted in the figures.
  • two blocks in succession may, in fact, be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved.
  • the operations or steps corresponding to different blocks may also occur in a different order than that disclosed in the description, and sometimes there is no specific agreement between different operations or steps.
  • each block in the block diagrams and/or flowcharts, and combinations of blocks in the block diagrams and/or flowcharts can be implemented by a dedicated hardware-based system that performs the specified function or action, or can be implemented by dedicated hardware implemented in combination with computer instructions.

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

La présente invention concerne le domaine technique des appareils électroménagers intelligents, et divulgue un procédé de préchauffage d'un climatiseur, le procédé comprenant les étapes consistant : sur la base des paramètres de température ambiante extérieure et de température d'une cavité de compresseur, à déterminer une exigence de préchauffage d'un compresseur ; et, si l'exigence de préchauffage indique que le compresseur doit être préchauffé, alors, sur la base de la vitesse d'atténuation des paramètres de température de la cavité de compresseur dans une période prédéfinie, à déterminer un schéma de préchauffage pour le compresseur. La vitesse d'atténuation des paramètres de température de la cavité de compresseur est calculée périodiquement, et le schéma de préchauffage du compresseur est déterminé sur la base de celle-ci, de sorte que le compresseur peut être préchauffé rapidement sans que les paramètres de température de la cavité de compresseur n'atteignent un niveau très bas, garantissant que le temps de préchauffage du compresseur n'est pas trop long, ce qui permet de répondre aux exigences de chauffage de l'utilisateur aussi rapidement que possible, augmentant l'efficacité de chauffage et assurant l'expérience de l'utilisateur. La présente invention concerne, en outre, un appareil destiné à préchauffer un climatiseur, un climatiseur et un système de climatisation.
PCT/CN2022/093894 2021-06-22 2022-05-19 Procédé et appareil pour préchauffer un climatiseur, climatiseur et système de climatisation WO2022267778A1 (fr)

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CN114738932A (zh) * 2022-03-28 2022-07-12 青岛海尔空调器有限总公司 一种压缩机预热控制方法及装置

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CN113531819A (zh) * 2021-06-22 2021-10-22 青岛海尔空调器有限总公司 用于空调器预热的方法、装置、空调器及空调系统

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