WO2022160672A1 - Procédé et appareil pour mesurer la quantité de fluide frigorigène dans un système de réfrigération, et climatiseur - Google Patents

Procédé et appareil pour mesurer la quantité de fluide frigorigène dans un système de réfrigération, et climatiseur Download PDF

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Publication number
WO2022160672A1
WO2022160672A1 PCT/CN2021/113212 CN2021113212W WO2022160672A1 WO 2022160672 A1 WO2022160672 A1 WO 2022160672A1 CN 2021113212 W CN2021113212 W CN 2021113212W WO 2022160672 A1 WO2022160672 A1 WO 2022160672A1
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WIPO (PCT)
Prior art keywords
refrigerant
amount
refrigeration system
pressure value
refrigeration
Prior art date
Application number
PCT/CN2021/113212
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English (en)
Chinese (zh)
Inventor
韩永超
矫立涛
马玉奇
郭敏
武永宾
牛天新
李江飞
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 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 filed Critical 青岛海尔空调器有限总公司
Publication of WO2022160672A1 publication Critical patent/WO2022160672A1/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
    • F24F11/32—Responding to malfunctions or emergencies
    • 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
    • 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
    • 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
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/10—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/003—Control issues for charging or collecting refrigerant to or from a cycle

Definitions

  • the present application relates to the technical field of smart home appliances, for example, to a method and device for detecting the amount of refrigerant in a refrigeration system, and an air conditioner.
  • Refrigerant is a working fluid used to transfer heat energy and produce freezing effect in air-conditioning refrigeration system.
  • the amount of refrigerant plays a crucial role in whether the system can exert the maximum energy efficiency.
  • the amount of refrigerant in the pipeline gradually decreases. If the amount of refrigerant in the pipeline is insufficient, the stable operation of the refrigeration system cannot be maintained, and maintenance personnel need to be contacted to add refrigerant.
  • maintenance personnel usually determine the amount of refrigerant added by means of a pressure gauge or by acquiring system parameters, so as to add refrigerant to the system.
  • Embodiments of the present disclosure provide a method, a device, and an air conditioner for detecting the amount of refrigerant in a refrigeration system, so as to provide a more accurate method for detecting the amount of refrigerant in a refrigeration system.
  • the method includes: applying to refrigeration equipment, the refrigeration equipment is configured with a pressure sensor, and when the refrigerant in the refrigeration system stops adding refrigerant, controlling the compressor of the refrigeration equipment to operate at a preset frequency; After the time period, the first pressure value collected by the pressure sensor is obtained; according to the corresponding relationship between the pressure value and the refrigerant, the amount of refrigerant corresponding to the first pressure value is determined as the current remaining amount of refrigerant in the refrigeration system.
  • the method includes: acquiring an outdoor ambient temperature and an indoor ambient temperature, and determining a difference between the outdoor ambient temperature and the indoor ambient temperature, where the difference between the outdoor ambient temperature and the indoor ambient temperature is consistent with a preset difference
  • obtain the second pressure value collected by the pressure sensor according to the corresponding relationship between the pressure value and the refrigerant, determine the amount of refrigerant corresponding to the first pressure value as the current remaining refrigerant amount of the refrigeration system; determine the first pressure value and the second The pressure average value of the pressure value; according to the corresponding relationship between the pressure value and the refrigerant, the refrigerant volume corresponding to the pressure average value is determined as the current remaining refrigerant volume of the refrigeration system.
  • the method includes: acquiring the refrigerant storage capacity of the refrigerant system, and determining the ratio of the current remaining refrigerant amount to the refrigerant storage capacity; refrigerant level.
  • prompt information indicating the refrigerant level is pushed to the user.
  • the method further includes: adjusting the opening degree of the air deflector of the refrigeration equipment to a first preset opening degree.
  • the method further includes: adjusting the opening degree of the throttle valve of the refrigeration equipment to a second preset opening degree.
  • the method further includes: adjusting the rotational speed of the fan of the refrigeration equipment to the preset rotational speed.
  • the apparatus includes: applied to a refrigeration device, the refrigeration device is configured with a pressure sensor, and a control module configured to control the compressor of the refrigeration device to operate at a preset frequency when the refrigerant in the refrigeration system stops adding;
  • the obtaining module is configured to obtain the first pressure value collected by the pressure sensor after the refrigeration equipment runs for a preset duration;
  • the determining module is configured to determine the first pressure value corresponding to the first pressure value according to the corresponding relationship between the pressure value and the refrigerant The current remaining amount of refrigerant.
  • the air conditioner includes: a processor and a memory storing program instructions, the processor is configured to execute the aforementioned method for detecting the amount of refrigerant in a refrigeration system when executing the program instructions.
  • the method, device and air conditioner for detecting the amount of refrigerant in a refrigeration system can achieve the following technical effects: when the addition of refrigerant in the refrigeration system is stopped, it is determined that the addition of refrigerant in the refrigeration system has been completed. And after the refrigerant is added, the compressor of the refrigeration equipment is controlled to run at a preset frequency, and a pressure sensor is set on the refrigeration equipment, and after the refrigeration equipment runs for a preset period of time, the first pressure value of the refrigeration system is collected by the pressure sensor, And according to the corresponding relationship between the pressure value and the target refrigerant quantity, the current remaining refrigerant quantity of the refrigeration system is determined.
  • the amount of refrigerant in the refrigeration system can be determined according to the collected pressure value of the refrigeration system, providing users with a more accurate refrigerant amount detection method, so that users can determine the remaining amount of refrigerant in the refrigeration system.
  • Refrigerant quantity information so as to judge whether the refrigerant quantity added by maintenance personnel is appropriate to meet the needs of users.
  • FIG. 1 is a schematic diagram of a method for detecting the amount of refrigerant in a refrigeration system provided by an embodiment of the present disclosure
  • Fig. 2 is a refrigerant level comparison table provided by the embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of a device for detecting the amount of refrigerant in a refrigeration system provided by an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram of an air conditioning module 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 three relationships.
  • the refrigeration equipment can be an intelligent air conditioner.
  • the compressor of the air conditioner can be controlled to run at a preset frequency, and when the compressor runs After the preset time period, the refrigeration system of the air conditioner is in a stable state, thereby obtaining the first pressure value collected by the pressure sensor, and determining the amount of refrigerant as the current remaining amount of refrigerant according to the amount of refrigerant corresponding to the first pressure value. Determine the refrigerant level according to the current remaining refrigerant amount.
  • the amount of refrigerant and the level of refrigerant are pushed to the user, providing users with a more accurate method of detecting the amount of refrigerant, so that the user can determine the amount of refrigerant remaining in the refrigeration system, so as to judge whether the amount of refrigerant added by the maintenance personnel is appropriate. meet the needs of users.
  • FIG. 1 is a schematic diagram of a method for detecting the amount of refrigerant in a refrigeration system provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for detecting the amount of refrigerant in a refrigeration system, which is applied to refrigeration equipment.
  • the refrigeration equipment is equipped with pressure sensors, including:
  • a method for detecting the amount of refrigerant in a refrigeration system is applied to a refrigeration device, and the refrigeration device may be a device with a refrigeration function, a smart home device, etc., or any combination thereof.
  • smart home devices may include, for example, air conditioners, refrigerators, etc., or any combination thereof.
  • step 11 the compressor of the refrigeration equipment may be controlled to run at a preset frequency when the addition of the refrigerant of the refrigeration system is stopped.
  • sensors can be arranged on the pipelines of the refrigeration system.
  • a pressure sensor may be added to the return pipe to make better use of the space at the return pipe of the refrigeration system.
  • adding a pressure sensor here can better reflect the pipeline pressure when the refrigeration system is stable, so as to further realize the correspondence between the pipeline pressure and the amount of refrigerant.
  • a refrigerant quantity self-check key can be installed on the remote control device matched with the refrigeration equipment, and when the user receives the key value information received by the refrigeration equipment, it is determined whether the refrigerant in the refrigeration system stops adding.
  • the user's voice information can also be acquired, and whether the refrigerant in the refrigeration system has stopped adding is determined through the user's voice information. For example, if the acquired voice information of the user indicates that the addition of refrigerant is completed, it is determined that the addition of refrigerant in the refrigeration system has stopped.
  • the user can also manually input the information of the end of adding the refrigerant to the client associated with the refrigeration equipment, and when the client receives the information, it is determined that the addition of the refrigerant in the refrigeration system has ended. Therefore, after the refrigeration equipment determines that the addition of the refrigerant in the refrigeration system is completed, the compressor of the refrigeration equipment is controlled to run at a preset frequency. At this time, the preset frequency can be the lowest frequency that can maintain the stable operation of the system, or can be set in advance according to the needs of the user.
  • This solution can provide stable and energy-saving system operating conditions for the pressure detection process, further improve the accuracy of the acquired data, and provide a stable operating environment foundation for the acquisition of pressure data.
  • step 12 after the compressor runs for a preset period of time, the first pressure value collected by the pressure sensor is acquired.
  • a pressure sensor can be set on the pipeline of the air return pipe of the refrigeration equipment, and after the compressor runs for a preset period of time and the refrigeration equipment is in a stable operation state, the first pressure value collected by the pressure sensor is obtained.
  • multiple pressure sensors can also be set on the refrigeration system pipeline of the refrigeration equipment, and the multiple pressure sensors are respectively set on different pipelines of the refrigeration system, such as the pipeline on the refrigerant inflow side of the evaporator, On the pipeline on the refrigerant outflow side of the evaporator, on the pipeline on the refrigerant inflow side of the condenser, on the pipeline on the refrigerant outflow side of the condenser, on the pipeline on the refrigerant outflow side of the compressor, and on the pipeline on the refrigerant inflow side of the compressor.
  • the current remaining amount of refrigerant in the refrigeration system can be further determined.
  • the amount of refrigerant corresponding to the average value can be determined as the current remaining amount of refrigerant according to the average pressure obtained by multiple pressure sensors.
  • the pressure value can be obtained through multiple pressure sensors, and the current remaining amount of refrigerant in the pipeline can be determined according to the average pressure, so as to determine whether the amount of refrigerant added by the maintenance personnel is appropriate to meet the needs of users.
  • the amount of refrigerant corresponding to the first pressure value may be determined as the current remaining amount of refrigerant in the refrigeration system according to the corresponding relationship between the pressure value and the amount of refrigerant.
  • the compressor of the refrigeration equipment is controlled to run at a preset frequency, and a pressure sensor is set on the refrigeration equipment, and after the refrigeration equipment runs for a preset period of time, the first pressure value of the refrigeration system is collected by the pressure sensor, And according to the corresponding relationship between the pressure value and the target refrigerant quantity, the current remaining refrigerant quantity of the refrigeration system is determined.
  • the amount of refrigerant in the refrigeration system can be determined according to the collected pressure value of the refrigeration system, providing users with a more accurate refrigerant amount detection method, so that users can determine the remaining amount of refrigerant in the refrigeration system.
  • Refrigerant quantity information so as to judge whether the refrigerant quantity added by maintenance personnel is appropriate to meet the needs of users.
  • the outdoor ambient temperature and the indoor ambient temperature are obtained, and the difference between the outdoor ambient temperature and the indoor ambient temperature is determined, and the difference between the outdoor ambient temperature and the indoor ambient temperature and the preset difference
  • obtain the second pressure value collected by the pressure sensor determine the pressure average value of the first pressure value and the second pressure value; according to the corresponding relationship between the pressure value and the refrigerant, determine the amount of refrigerant corresponding to the average pressure value as The current amount of refrigerant remaining in the refrigeration system.
  • the preset difference value can be determined according to the mode of the refrigeration equipment. For example, when the refrigeration equipment is an air conditioner and the air conditioner is in a cooling state, the preset temperature difference can be set as 6 degrees. At the same time, the preset temperature difference can be set in advance according to the needs of users.
  • an ambient temperature collection device may be provided. Specifically, the ambient temperature difference between the outdoor temperature and the indoor temperature may be determined by collecting specific parameter values of the outdoor ambient temperature and the indoor ambient temperature. And when the difference is consistent with the preset difference, the second temperature collected by the pressure sensor is acquired. The coincidence here means that the difference between the outdoor temperature and the indoor temperature is equal, and the fluctuation value can also be set.
  • the difference in room ambient temperature matches the preset difference. For example, if the outdoor ambient temperature is 28 degrees and the indoor ambient temperature is 23 degrees, the difference between the ambient temperatures at this time is 5 degrees. If the preset temperature difference is 6 degrees, and the preset fluctuation value is 2 degrees, it is determined that the difference between the outdoor temperature and the indoor temperature at this time fluctuates up and down at the preset difference, and the outdoor ambient temperature and the indoor ambient temperature are determined. The difference matches the preset difference.
  • the second pressure value collected by the pressure sensor can be obtained, and according to the average value of the second pressure value and the first pressure value, the Determination of the current remaining amount of refrigerant.
  • the current remaining refrigerant volume in the refrigeration equipment pipeline can be obtained more accurately to meet the needs of users.
  • the refrigerant storage capacity of the refrigerant system is obtained, and the ratio of the current remaining refrigerant amount to the refrigerant storage capacity is determined; The ratio is determined to determine the refrigerant level in the refrigeration system represented by the ratio.
  • FIG. 2 is a comparison table of refrigerant grades provided by an embodiment of the present disclosure. Specifically, as shown in FIG. 2 , in the comparison table, the higher the proportion of the current remaining refrigerant quantity, the higher the refrigerant grade. For example, in this solution, if the refrigerant storage capacity is 1000g, the level represented by the ratio can be determined according to the ratio of the current remaining refrigerant volume to the refrigerant storage capacity. In an optimized solution, the refrigerant level of the remaining refrigerant quantity of the refrigeration system can also be determined according to the ratio of the current remaining refrigerant quantity to the actual total refrigerant quantity.
  • the actual total refrigerant volume is the sum of the nominal refrigerant volume and the set refrigerant volume.
  • the nominal refrigerant volume refers to the minimum refrigerant volume for stable operation of the refrigeration system.
  • the set refrigerant volume can be set in advance according to user needs. With this solution, the corresponding refrigerant level can be determined according to the proportion of the remaining refrigerant in the refrigeration equipment pipeline. So that the user can obtain the current refrigerant status of the refrigeration equipment.
  • a display device can be configured in the refrigeration equipment, and the determined refrigeration level and the proportion of the remaining refrigerant can be displayed on the display equipment.
  • the refrigerant status table shown in Figure 3 can also be pushed to relevant users.
  • the refrigerant status table can be displayed on the display device of the refrigeration equipment, and can also be pushed to the mobile terminal associated with the refrigeration equipment.
  • the display device may be a display panel, and the mobile terminal may be a mobile phone associated with the user.
  • the user can obtain the refrigerant state of the refrigeration equipment in real time, so that the user can adjust the amount of refrigerant in the pipeline according to the refrigerant state.
  • the air guide of the refrigeration equipment can be The plate opening is adjusted to the first preset opening.
  • the first preset opening degree is the minimum opening degree that guides the wind panel to maintain the stable operation of the system.
  • the first opening degree value can be set according to different temperature requirements of users. While the refrigeration equipment is running stably, it is ensured that the pressure sensor obtains an accurate first pressure value, so as to determine the current remaining amount of refrigerant according to the first pressure value.
  • the throttle valve of the refrigeration equipment is set.
  • the opening degree is adjusted to the second preset opening degree.
  • the second preset opening degree refers to the minimum opening degree of the throttle valve to maintain the stable operation of the system.
  • the first opening degree value can be set according to the temperature difference between the set temperature and the indoor ambient temperature.
  • the refrigeration system of the refrigeration equipment not only ensures the normal operation of the system, but also ensures that a certain pressure is formed at the pressure sensor, after the compressor of the refrigeration equipment is controlled to operate at a preset frequency, the speed of the fan of the refrigeration equipment is adjusted. to the preset speed.
  • the preset wind speed refers to the minimum wind speed at which the indoor fan maintains the stable operation of the system.
  • the preset wind speed can be set according to the temperature of the evaporator coil.
  • the refrigeration equipment can be operated in a stable manner. At the same time, the freezing of the evaporator is prevented, and it is ensured that the pressure sensor obtains an accurate first pressure value, so as to determine the current remaining refrigerant amount according to the first pressure value.
  • an embodiment of the present disclosure provides a refrigerant quantity detection device for a refrigeration system, including a control module 41 , an acquisition module 42 and a determination module 43 .
  • the control module 41 is configured to control the compressor of the refrigeration equipment to run at a preset frequency when the refrigerant of the refrigeration system stops adding;
  • the acquisition module 42 is configured to acquire the first pressure collected by the pressure sensor after the compressor runs for a preset period of time
  • the determination module 43 is configured to determine the amount of refrigerant corresponding to the first pressure value as the current remaining amount of refrigerant in the refrigeration system according to the corresponding relationship between the pressure value and the refrigerant.
  • the detection device for the amount of refrigerant in the refrigeration system provided by the embodiment of the present disclosure, when the addition of the refrigerant in the refrigeration system stops, it is determined that the addition of the refrigerant in the refrigeration system has been completed. And after the refrigerant is added, the compressor of the refrigeration equipment is controlled to run at a preset frequency, and a pressure sensor is set on the refrigeration equipment, and after the refrigeration equipment runs for a preset period of time, the first pressure value of the refrigeration system is collected by the pressure sensor, And according to the corresponding relationship between the pressure value and the target refrigerant quantity, the current remaining refrigerant quantity of the refrigeration system is determined.
  • the amount of refrigerant in the refrigeration system can be determined according to the collected pressure value of the refrigeration system, providing users with a more accurate refrigerant amount detection method, so that users can know the remaining amount of refrigerant in the refrigeration system.
  • Refrigerant quantity information so as to judge whether the refrigerant quantity added by maintenance personnel is appropriate to meet the needs of users.
  • an embodiment of the present disclosure provides an air conditioner, including a processor (processor) 100 and a memory (memory) 101 .
  • the apparatus may further include a communication interface (Communication Interface) 102 and a bus 103 .
  • the processor 100 , the communication interface 102 , and the memory 101 can communicate with each other through the bus 103 .
  • Communication interface 102 may be used for information transfer.
  • the processor 100 may invoke the logic instructions in the memory 101 to execute the method for detecting the amount of refrigerant in the refrigeration system of the above-mentioned embodiments.
  • logic instructions in the memory 101 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 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 function application and data processing by running the program instructions/modules stored in the memory 101, that is, the method for detecting the amount of refrigerant used in the refrigeration system in the above-mentioned embodiment is implemented.
  • the memory 101 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 101 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 device for detecting the amount of refrigerant in a refrigeration system.
  • 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 method for detecting the amount of refrigerant in a refrigeration system.
  • 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-mentioned method for detecting the amount of refrigerant in a refrigeration system.
  • 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.
  • 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. In actual implementation, there may be other division methods.
  • 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.

Abstract

L'invention concerne un procédé et un appareil pour mesurer la quantité de fluide frogorigène dans un système de réfrigération, et un climatiseur. Le procédé est appliqué à un dispositif de réfrigération, le dispositif de réfrigération étant pourvu d'un capteur de pression. Le procédé comprend les étapes suivantes : lorsqu'on arrête d'ajouter un fluide frigorigène dans un système de réfrigération, commander un compresseur du dispositif de réfrigération afin que celui-ci fonctionne à une fréquence prédéfinie ; après que le compresseur a fonctionné pendant une durée prédéfinie, acquérir une première valeur de pression collectée par le capteur de pression ; et selon la correspondance entre des valeurs de pression et le fluide frigorigène, déterminer la quantité de fluide frigorigène correspondant à la première valeur de pression en tant que quantité restante actuelle de fluide frigorigène dans le système de réfrigération. La solution décrite permet de déterminer la quantité de fluide frigorigène dans un système de réfrigération en fonction d'une valeur de pression collectée dans le système de réfrigération après qu'un agent d'entretien a ajouté le fluide frigorigène, ce qui fournit à un utilisateur un moyen plus précis de mesure de la quantité de fluide frigorigène lui permettant de déterminer des informations concernant la quantité du fluide frigorigène restant dans le système de réfrigération, et de déterminer ainsi si la quantité de fluide frigorigène ajoutée par l'agent d'entretien est appropriée, de façon à répondre aux besoins des utilisateurs.
PCT/CN2021/113212 2021-01-26 2021-08-18 Procédé et appareil pour mesurer la quantité de fluide frigorigène dans un système de réfrigération, et climatiseur WO2022160672A1 (fr)

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CN202110105521.3A CN112880126A (zh) 2021-01-26 2021-01-26 用于制冷系统的冷媒量检测的方法、装置及空调
CN202110105521.3 2021-01-26

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CN112880126A (zh) * 2021-01-26 2021-06-01 青岛海尔空调器有限总公司 用于制冷系统的冷媒量检测的方法、装置及空调
CN113639485B (zh) * 2021-07-23 2023-03-28 青岛海尔空调电子有限公司 用于调节热泵设备排气过热度的方法、装置和热泵设备
CN114251883B (zh) * 2021-12-21 2023-08-18 宁波奥克斯电气股份有限公司 一种空调加氟控制方法、装置及空调器

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106196335A (zh) * 2016-07-14 2016-12-07 海信科龙电器股份有限公司 室外机、室内机、室外机控制方法和空调器
CN107339835A (zh) * 2017-07-25 2017-11-10 珠海格力电器股份有限公司 一种冷媒量监测方法及装置
WO2019053880A1 (fr) * 2017-09-15 2019-03-21 三菱電機株式会社 Climatiseur de réfrigération
CN110529974A (zh) * 2019-07-31 2019-12-03 广东美的制冷设备有限公司 空调器的冷媒泄露检测方法、冷媒泄露检测装置及空调器
CN110895024A (zh) * 2018-09-12 2020-03-20 奥克斯空调股份有限公司 一种冷媒泄漏检测方法及空调器
CN111397088A (zh) * 2020-03-30 2020-07-10 广东美的制冷设备有限公司 冷媒检测方法、空调器及存储介质
CN112240623A (zh) * 2020-09-30 2021-01-19 青岛海尔空调器有限总公司 空调器的控制方法及空调器
CN112880126A (zh) * 2021-01-26 2021-06-01 青岛海尔空调器有限总公司 用于制冷系统的冷媒量检测的方法、装置及空调

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105004116B (zh) * 2015-07-09 2017-10-24 广东美的暖通设备有限公司 空调室外机、空调的冷媒充注控制方法
CN106016867A (zh) * 2016-04-28 2016-10-12 广东美的暖通设备有限公司 一种冷媒充注方法、冷媒充注系统及空调器
CN107975988B (zh) * 2017-11-13 2021-03-16 广东美的暖通设备有限公司 冷媒充注量检测方法、装置及热泵空调系统

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106196335A (zh) * 2016-07-14 2016-12-07 海信科龙电器股份有限公司 室外机、室内机、室外机控制方法和空调器
CN107339835A (zh) * 2017-07-25 2017-11-10 珠海格力电器股份有限公司 一种冷媒量监测方法及装置
WO2019053880A1 (fr) * 2017-09-15 2019-03-21 三菱電機株式会社 Climatiseur de réfrigération
CN110895024A (zh) * 2018-09-12 2020-03-20 奥克斯空调股份有限公司 一种冷媒泄漏检测方法及空调器
CN110529974A (zh) * 2019-07-31 2019-12-03 广东美的制冷设备有限公司 空调器的冷媒泄露检测方法、冷媒泄露检测装置及空调器
CN111397088A (zh) * 2020-03-30 2020-07-10 广东美的制冷设备有限公司 冷媒检测方法、空调器及存储介质
CN112240623A (zh) * 2020-09-30 2021-01-19 青岛海尔空调器有限总公司 空调器的控制方法及空调器
CN112880126A (zh) * 2021-01-26 2021-06-01 青岛海尔空调器有限总公司 用于制冷系统的冷媒量检测的方法、装置及空调

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