WO2019052074A1 - Climatiseur, et procédé et appareil de commande associés - Google Patents

Climatiseur, et procédé et appareil de commande associés Download PDF

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Publication number
WO2019052074A1
WO2019052074A1 PCT/CN2017/117640 CN2017117640W WO2019052074A1 WO 2019052074 A1 WO2019052074 A1 WO 2019052074A1 CN 2017117640 W CN2017117640 W CN 2017117640W WO 2019052074 A1 WO2019052074 A1 WO 2019052074A1
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WO
WIPO (PCT)
Prior art keywords
air conditioner
dehumidification
current indoor
humidity
indoor
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Application number
PCT/CN2017/117640
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English (en)
Chinese (zh)
Inventor
张博博
席战利
Original Assignee
广东美的制冷设备有限公司
美的集团股份有限公司
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Publication of WO2019052074A1 publication Critical patent/WO2019052074A1/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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only

Definitions

  • the present invention relates to the field of air conditioning technology, and in particular, to a method for controlling an air conditioner, a control device for an air conditioner, and an air conditioner having the control device.
  • the air conditioner has a certain dehumidification capability during the cooling and cooling process, but when the indoor temperature reaches the preset temperature of the user, the compressor in the air conditioner will operate at a low frequency, thereby causing the temperature of the evaporator to be higher than that of the current indoor air.
  • the dew point temperature so that the air conditioner has almost no dehumidification function.
  • the air-conditioning refrigeration process can meet the temperature comfort requirements well, it is difficult to meet the humidity requirements, and it is difficult to ensure the user's comfort requirements.
  • a first object of the present invention is to provide a method for controlling an air conditioner, which can achieve rapid dehumidification in a room and ensure comfort of indoor humidity, thereby satisfying user comfort requirements.
  • a second object of the present invention is to provide a computer readable storage medium.
  • a third object of the present invention is to provide a control device for an air conditioner.
  • a fourth object of the present invention is to provide an air conditioner.
  • a first aspect of the present invention provides a method for controlling an air conditioner, the air conditioner including a compressor, an outdoor heat exchanger, a throttling element, an indoor heat exchanger, and a corresponding heat exchange in the room.
  • the indoor fan and the dehumidification valve provided by the device includes the following steps: when the air conditioner enters the temperature dehumidification mode, acquiring the current indoor ambient temperature and the current indoor environmental humidity every first preset time; Obtaining a current indoor moisture content according to the current indoor ambient temperature and the current indoor environmental humidity, and acquiring a target moisture content according to the current indoor ambient temperature and the target humidity; calculating the current indoor moisture content and the target moisture content
  • the difference in humidity between the two, and the throttle element, the indoor fan, and the dehumidification valve are controlled according to the difference in humidity to operate the air conditioner in different dehumidification modes.
  • the control method of the air conditioner when the air conditioner enters the temperature dehumidification mode, the current indoor ambient temperature and the current indoor environmental humidity are acquired every first preset time, and according to the current indoor environmental temperature and the current indoor environment.
  • Humidity acquires the current indoor moisture content, and obtains the target moisture content based on the current indoor ambient temperature and target humidity. Then, calculating the humidity difference between the current indoor moisture content and the target moisture content, and controlling the throttling element, the indoor fan and the dehumidification valve according to the humidity difference, so that the air conditioner operates according to different dehumidification modes In order to achieve rapid dehumidification indoors, to ensure the comfort of indoor humidity, and to meet user comfort requirements.
  • the dehumidification mode includes a first dehumidification mode, a second dehumidification mode, and a moisturizing mode, wherein if the humidity difference is greater than or equal to a first preset value, controlling the throttling element to be The fully open state, and controlling the dehumidification valve to perform a throttling operation to operate the air conditioner in the first dehumidification mode.
  • the rotation speed of the indoor fan is lowered by a first preset rotation speed, and the section is controlled.
  • the flow element performs a throttling operation, and controls the dehumidification valve to be in a fully open state to operate the air conditioner in the second dehumidification mode, wherein the first preset value and the second preset value Greater than or equal to zero.
  • the humidity difference is less than a third preset value, increasing the rotational speed of the indoor fan by a second predetermined rotational speed, and controlling the throttling element to perform a throttling operation, and The dehumidification valve is controlled to be in a fully open state to operate the air conditioner in the moisturizing mode, wherein the third preset value is less than zero.
  • the current indoor ambient temperature adjusts an operating frequency of the compressor to cause the current indoor ambient temperature to reach a preset target temperature.
  • a second aspect of the present invention provides a computer readable storage medium having instructions stored therein, the air conditioner executing the above control method when the instructions are executed.
  • the computer readable storage medium of the embodiment of the present invention can realize rapid dehumidification indoors by ensuring the comfort of indoor humidity by performing the above-mentioned control method, thereby satisfying user comfort requirements.
  • a third aspect of the present invention provides a control device for an air conditioner, the air conditioner including a compressor, an outdoor heat exchanger, a throttling element, an indoor heat exchanger, and a corresponding heat exchange in the room.
  • the indoor fan and the dehumidification valve are provided, and the control device comprises: a first acquisition module, configured to acquire the current indoor ambient temperature and the current indoor environment every first preset time when the air conditioner enters the temperature dehumidification mode a second acquisition module, configured to acquire a current indoor moisture content according to the current indoor ambient temperature and the current indoor environmental humidity, and obtain a target moisture content according to the current indoor ambient temperature and the target humidity; and a control module,
  • the control module is respectively connected to the second obtaining module, the throttling element, the indoor fan and the dehumidification valve, and the control module is configured to calculate the current indoor moisture content and the target moisture content a humidity difference between the quantities, and controlling the throttle element, the indoor fan, and the dehumidification valve according to the difference in humidity, so that the air conditioner is pressed Run different dehumidification.
  • the first acquisition module acquires the current indoor ambient temperature and the current indoor environmental humidity through the first preset time, and obtains the second indoor environment.
  • the module obtains the current indoor moisture content according to the current indoor ambient temperature and the current indoor environmental humidity, and obtains the target moisture content according to the current indoor ambient temperature and the target humidity, and calculates the current indoor moisture content and the target moisture content through the control module.
  • the humidity difference, and the throttling element, the indoor fan and the dehumidification valve are controlled according to the difference of the humidity, so that the air conditioner operates according to different dehumidification modes, thereby realizing rapid dehumidification indoors and ensuring the comfort of the indoor humidity, and further Satisfy User comfort requirements.
  • the dehumidification mode includes a first dehumidification mode, a second dehumidification mode, and a moisturizing mode, wherein if the humidity difference is greater than or equal to a first preset value, the control module controls the The throttle element is in a fully open state and controls the dehumidification valve to perform a throttling operation to cause the air conditioner to operate in the first dehumidification mode.
  • the control module decreases the rotation speed of the indoor fan by a first preset speed, and Controlling the throttling element to perform a throttling operation, and controlling the dehumidification valve to be in a fully open state to operate the air conditioner in the second dehumidification mode, wherein the first preset value and the first The second preset value is greater than or equal to zero.
  • the control module increases the rotational speed of the indoor fan by a second predetermined rotational speed, and controls the throttling element to perform a section. Flow operation, and controlling the dehumidification valve to be in a fully open state to operate the air conditioner in the moisturizing mode, wherein the third preset value is less than zero.
  • the control module when the air conditioner operates in the second dehumidification mode for a second preset time, or when the air conditioner operates the second preset time in the moisturizing mode, The control module further adjusts an operating frequency of the compressor according to the current indoor ambient temperature to cause the current indoor ambient temperature to reach a preset target temperature.
  • an embodiment of the fourth aspect of the present invention provides an air conditioner including the above-described control device.
  • the above-mentioned control device can realize rapid dehumidification of the room and ensure the comfort of the indoor humidity, thereby satisfying the user's comfort requirement.
  • FIG. 1 is a flow chart of a method of controlling an air conditioner according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of an air conditioner according to an embodiment of the present invention.
  • FIG. 3 is a flow chart of a method of controlling an air conditioner according to an embodiment of the present invention.
  • FIG. 4 is a block schematic diagram of a control device of an air conditioner according to an embodiment of the present invention.
  • FIG. 1 is a flow chart of a control method of an air conditioner according to an embodiment of the present invention.
  • the air conditioner includes a compressor, an outdoor heat exchanger, a throttling element, an indoor heat exchanger, and an indoor fan and a dehumidification valve disposed corresponding to the indoor heat exchanger.
  • the air conditioner includes a compressor 01, an outdoor heat exchanger 02, a throttle element 03, and an indoor heat exchanger 04, which are sequentially connected, and an indoor fan 05 correspondingly disposed on the indoor heat exchanger 04.
  • the refrigerant pipeline of the indoor heat exchanger 04 comprises two parts, and two ends of one part of the refrigerant pipeline are directly connected with the throttle element 03 and the compressor 01; one end of the other part of the refrigerant pipeline passes through the dehumidification valve 06 and the throttle element 03 is connected and the other end is connected to the compressor 01.
  • control method of the air conditioner according to the embodiment of the present invention may include the following steps:
  • the air conditioner when the air conditioner enters the temperature dehumidification mode, obtain the current indoor ambient temperature and the current indoor environmental humidity every first preset time.
  • the first preset time may be calibrated according to actual conditions. For example, the first preset time may be 5 min.
  • the user can set the operation mode and the target temperature of the air conditioner through a remote controller or the like (if the user is not set, the target temperature can be the target temperature when the last air conditioner is stopped), and the target Humidity (if the user is not set, the target humidity can be the appropriate humidity corresponding to the target temperature) and the speed of the indoor fan (if the user does not set, the speed of the indoor fan can be a preset corresponding to the current indoor ambient temperature) Indoor fan speed).
  • the current indoor ambient temperature is obtained in real time through a temperature sensor installed on the indoor unit, and the compressor is operated according to the current indoor ambient temperature.
  • the frequency is adjusted so that the current indoor ambient temperature reaches the target temperature.
  • the operating frequency of the compressor is increased; if the current indoor ambient temperature is less than the target temperature, the operating frequency of the compressor is lowered until the current indoor ambient temperature is equal to the target temperature (or The difference between the two is in a small range), indicating that the current indoor ambient temperature reaches the target temperature, and the air conditioner is controlled to enter the temperature dehumidification mode.
  • the current indoor temperature is continuously detected by setting a temperature sensor on the indoor unit, and the current indoor humidity is detected by a humidity sensor disposed on the indoor unit.
  • the current indoor moisture content can be obtained by looking up the table according to the current indoor environmental temperature and the current indoor environmental humidity
  • the target moisture content can be obtained by looking up the table according to the current indoor environmental temperature and the target humidity.
  • a mapping relationship between indoor ambient temperature, indoor environmental humidity, and indoor moisture content may be preset, as shown in Table 1, and then the current indoor ambient temperature and the detected current indoor environmental humidity are obtained by looking up the table.
  • the indoor moisture content, and the target moisture content is obtained by looking up the table according to the detected indoor indoor temperature and the target humidity.
  • the target moisture content can also be directly obtained according to the target temperature and the target humidity.
  • T1, T2, T3, ... Tn represent the current indoor ambient temperature
  • ⁇ 1, ⁇ 2, ⁇ 3, ..., ⁇ m represent the current indoor environmental humidity
  • dL11, dL12, dL13, ..., dLmn represents the current indoor moisture content
  • m The values of n and n can be calibrated according to actual conditions.
  • the dehumidification mode includes a first dehumidification mode, a second dehumidification mode, and a moisturizing mode, wherein if the humidity difference is greater than or equal to the first preset value, the control throttling element is in a fully open state, and is controlled.
  • the dehumidification valve performs a throttling operation to operate the air conditioner in the first dehumidification mode.
  • the first preset value may be calibrated according to actual conditions. For example, the first preset value may be 2% rh.
  • the humidity difference is greater than or equal to the first preset value (for example, 2% rh)
  • the first preset value for example, 2% rh
  • the dehumidification valve that is, the air conditioner with constant temperature dehumidification ability to achieve a large amount of indoor dehumidification, to ensure indoor humidity comfort.
  • the air conditioner is operated in a first dehumidification mode, and the high temperature and high pressure gaseous refrigerant from the compressor is exchanged outdoors.
  • the heat exchanger After the heat exchanger is exchanged, it becomes a high-temperature and high-pressure liquid refrigerant, and then a part of the high-temperature and high-pressure liquid refrigerant directly enters a part of the refrigerant tube of the indoor heat exchanger for heat exchange, and then converts into a low-temperature low-pressure liquid refrigerant flow back to the compressor; another part of the high temperature
  • the high-pressure liquid refrigerant is throttled by the dehumidification valve, it becomes a low-temperature low-pressure liquid refrigerant, and then heat-exchanges through another part of the refrigerant pipe of the indoor heat exchanger and then flows back to the compressor.
  • a part of the refrigerant pipe of the indoor heat exchanger is used as a condenser to realize heating of the room, and another part of the refrigerant pipe is used as an evaporator to realize a large amount of dehumidification indoors, thereby achieving constant temperature dehumidification indoors and ensuring indoor humidity comfort. Sex.
  • the air conditioner After the air conditioner operates in the first dehumidification mode for the first preset time t, the current indoor ambient temperature and the current state are acquired again.
  • the indoor environment humidity, and the air conditioner is controlled according to the current indoor environment temperature and the current indoor environment humidity, that is, the next cycle control is performed.
  • the rotation speed of the indoor fan is decreased by the first preset rotation speed, and the throttle element is controlled to perform the throttling operation, and
  • the dehumidification valve is controlled to be fully open to operate the air conditioner in a second dehumidification mode.
  • the first preset value and the second preset value are greater than or equal to zero, and the first preset value, the second preset value, and the first preset speed may be calibrated according to actual conditions, for example, the first preset value may be 2%. Rh, the second preset value may be 0% rh, and the first preset speed may be 10% of the current speed.
  • the operating frequency of the compressor is further adjusted according to the current indoor ambient temperature, so that the current indoor ambient temperature reaches the pre-predetermined Set the target temperature.
  • the second preset value such as 0% rh
  • humidity difference ⁇ the first preset value (such as 2% rh)
  • the current indoor moisture content is not particularly high, so this time Reduce the temperature of the indoor heat exchanger (cooling mode, also known as the evaporator) by reducing the speed of the indoor fan.
  • the indoor heat exchanger has a certain
  • the dehumidification function plays a simple dehumidification function, thereby achieving the purpose of small dehumidification by reducing the rotation speed of the indoor fan without changing the operating state of the air conditioner, and the operation is convenient and quick.
  • the air conditioner is dehumidified by the second
  • the mode is operated to achieve small dehumidification by reducing the indoor fan speed without changing the operating state of the air conditioner.
  • the air conditioner When the air conditioner operates in the second dehumidification mode for a second preset time (the time is slightly smaller than the first preset time to adjust the temperature), further determining whether the current indoor ambient temperature is equal to the target temperature (or both) The difference between the two is in a small range), if not, the operating frequency of the compressor is adjusted according to the current indoor ambient temperature until the current indoor ambient temperature is equal to the target temperature, and the current indoor ambient temperature and the current indoor environmental humidity are acquired again. And control the air conditioner according to the current indoor ambient temperature and the current indoor environmental humidity, that is, the next cycle control.
  • the rotation speed of the indoor fan is increased by a second preset rotation speed, and the throttle element is controlled to perform the throttling operation, and the dehumidification valve is controlled to be fully open.
  • the third preset value is less than zero, and the third preset value and the second preset speed may be calibrated according to actual conditions.
  • the third preset value may be -1%rh, and the second preset speed may be current. 10% of the speed.
  • the operating frequency of the compressor is further adjusted according to the current indoor ambient temperature, so that the current indoor ambient temperature reaches a preset state. Target temperature.
  • the dehumidification amount can be reduced by increasing the rotation speed of the indoor fan, for example, at present Increase the speed of the indoor fan
  • the second preset speed controls the throttle element to perform the throttling operation and controls the dehumidification valve to be fully open to operate the air conditioner in a moisturizing manner.
  • the air conditioner When the air conditioner operates in a moisturizing manner for a second preset time (the time is slightly smaller than the first preset time to adjust the temperature), further determining whether the current indoor ambient temperature is equal to the target temperature (or between the two) The difference is in a small range), if not, the operating frequency of the compressor is adjusted according to the current indoor ambient temperature until the current indoor ambient temperature is equal to the target temperature, and the current indoor ambient temperature and the current indoor ambient humidity are acquired again, and The air conditioner is controlled according to the current indoor ambient temperature and the current indoor environmental humidity, that is, the next cycle control is performed.
  • a different dehumidification mode is selected according to the difference in humidity between the current indoor moisture content and the target moisture content, thereby achieving rapid temperature dehumidification.
  • the purpose is to ensure the comfort of the user. Specifically, after the temperature is reached, when the detected indoor moisture content is greater than the moisture content corresponding to the target humidity set by the user, the temperature of the indoor heat exchanger is lowered by reducing the rotation speed of the indoor fan to achieve small dehumidification.
  • the effect is that when the detected indoor moisture content is greater than the moisture content corresponding to the target humidity set by the user, a large amount of dehumidification is realized by opening the dehumidification valve inside the indoor heat exchanger to ensure the user's entire process is comfortable and comfortable.
  • FIG. 3 is a flow chart of a method of controlling an air conditioner according to an embodiment of the present invention. As shown in FIG. 3, the control method of the air conditioner may include the following steps:
  • the user sets the target humidity ⁇ s.
  • step S105 determining whether dL-a ⁇ 2 is established. If yes, go to step S106; if no, go to step S107.
  • the throttling element is fully open, and the dehumidification valve is throttled for a first preset time t.
  • step S107 it is judged whether or not dL-a>0 is established. If yes, step S108 is performed.
  • S110 Adjust the air conditioner according to a preset control procedure to ensure that the temperature of the T1 is constant, that is, keep the target temperature constant.
  • the preset control procedure may be: if the current indoor ambient temperature is less than T1, the operating frequency of the compressor is increased; if the current indoor ambient temperature is greater than T1, the operating frequency of the compressor is lowered.
  • step S111 it is judged whether or not dL-a ⁇ -1 is established. If yes, step S112 is performed.
  • the speed of the indoor fan increases by 10%, and when the speed is increased to the upper limit of the speed, this step is skipped.
  • the air conditioner is not adjusted, that is, after the current state is maintained for the first preset time t, the process returns to step S103.
  • the control method of the air conditioner when the air conditioner enters the temperature dehumidification mode, the current indoor ambient temperature and the current indoor environmental humidity are acquired every first preset time, and according to the current indoor environment.
  • the temperature and the current indoor environmental humidity obtain the current indoor moisture content, and obtain the target moisture content according to the current indoor environmental temperature and the target humidity.
  • calculating the humidity difference between the current indoor moisture content and the target moisture content and controlling the throttling element, the indoor fan and the dehumidification valve according to the humidity difference, so that the air conditioner operates according to different dehumidification modes In order to achieve rapid dehumidification indoors, to ensure the comfort of indoor humidity, and to meet user comfort requirements.
  • an embodiment of the present invention also proposes a computer readable storage medium having instructions stored therein, the air conditioner executing the above control method when the instructions are executed.
  • the computer readable storage medium of the embodiment of the present invention can realize rapid dehumidification indoors by ensuring the comfort of indoor humidity by performing the above-mentioned control method, thereby satisfying user comfort requirements.
  • FIG. 4 is a block schematic diagram of a control device of an air conditioner according to an embodiment of the present invention.
  • the air conditioner includes a compressor 01, an outdoor heat exchanger 02, a throttle element 03, an indoor heat exchanger 04, and an indoor fan 05 provided by a corresponding indoor heat exchanger 04.
  • control device of the air conditioner of the embodiment of the present invention may include: a first acquisition module 10, a second acquisition module 20, and a control module 30.
  • the first obtaining module 10 is configured to acquire the current indoor ambient temperature and the current indoor ambient humidity every first preset time when the air conditioner enters the temperature dehumidification mode;
  • the second obtaining module 20 is configured to use the current indoor ambient temperature and The current indoor environment humidity obtains the current indoor moisture content, and obtains the target moisture content according to the current indoor environment temperature and the target humidity;
  • the control module 30 is respectively connected to the second acquisition module 20, the throttle element 03, the indoor fan 05, and the dehumidification valve 06.
  • the control module 30 is configured to calculate a humidity difference between the current indoor moisture content and the target moisture content, and control the throttle element 03, the indoor fan 05, and the dehumidification valve 06 according to the humidity difference, so that the air conditioner follows Different dehumidification modes are used.
  • the dehumidification mode includes a first dehumidification mode, a second dehumidification mode, and a moisturizing mode, wherein if the humidity difference is greater than or equal to the first preset value, the control module 30 controls the throttling element 03 to be fully open. State, and control the dehumidification valve 06 to perform a throttling operation to operate the air conditioner in the first dehumidification mode.
  • the control module 30 reduces the rotation speed of the indoor fan 05 by a first preset rotation speed, and controls the throttle element 03 to perform The throttling operation, and controlling the dehumidification valve 06 to be in a fully open state, causes the air conditioner to operate in a second dehumidification mode, wherein the first preset value and the second preset value are greater than or equal to zero.
  • the control module 30 sets the indoor fan The rotation speed of 05 is increased by the second preset rotation speed, and the throttle element 03 is controlled to perform the throttling operation, and the dehumidification valve 06 is controlled to be in the fully open state, so that the air conditioner operates in a moisturizing mode, wherein the third preset value is less than zero. .
  • the control module 30 when the air conditioner operates in the second dehumidification mode for a second preset time, or the air conditioner operates in a moisturizing manner for a second preset time, the control module 30 further controls the compressor according to the current indoor ambient temperature.
  • the operating frequency of 01 is adjusted so that the current indoor ambient temperature reaches a preset target temperature.
  • the first acquisition module acquires the current indoor ambient temperature and the current indoor environmental humidity through the first preset time, and obtains the second indoor environment.
  • the module obtains the current indoor moisture content according to the current indoor ambient temperature and the current indoor environmental humidity, and obtains the target moisture content according to the current indoor ambient temperature and the target humidity, and calculates the current indoor moisture content and the target moisture content through the control module.
  • the humidity difference, and the throttling element, the indoor fan and the dehumidification valve are controlled according to the difference of the humidity, so that the air conditioner operates according to different dehumidification modes, thereby realizing rapid dehumidification indoors and ensuring the comfort of the indoor humidity, and further Meet user comfort requirements.
  • an embodiment of the present invention also proposes an air conditioner including the above-described control device.
  • the above-described control device can realize rapid dehumidification of the room and ensure the comfort of the indoor humidity, thereby satisfying the user's comfort requirement.
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements, unless otherwise specified Limited.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

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

Abstract

L'invention concerne un climatiseur, et un procédé et un appareil de commande associés. Le climatiseur comprend un compresseur (01), un échangeur de chaleur extérieur (02), un élément d'étranglement (03), un échangeur de chaleur intérieur (04), et un ventilateur intérieur (05) et une soupape de déshumidification (06) agencés de façon à correspondre à l'échangeur de chaleur intérieur (04). Le procédé de commande consiste : à acquérir, lorsqu'un climatiseur entre en mode de déshumidification d'atteinte de température, la température environnementale intérieure actuelle et l'humidité environnementale intérieure actuelle à chaque premier instant prédéfini (S1) ; à acquérir la teneur en humidité intérieure actuelle en fonction de la température environnementale intérieure actuelle et de l'humidité environnementale intérieure actuelle, et à acquérir une teneur en humidité cible en fonction de la température environnementale intérieure actuelle et d'une humidité cible (S2) ; et à calculer une valeur de différence d'humidité entre la teneur en humidité intérieure actuelle et la teneur en humidité cible, et à commander le fonctionnement de l'élément d'étranglement (03), du ventilateur intérieur (05) et de la soupape de déshumidification (06) en fonction de la valeur de différence d'humidité, de sorte que le climatiseur fonctionne selon différents modes de déshumidification (S3).
PCT/CN2017/117640 2017-09-12 2017-12-21 Climatiseur, et procédé et appareil de commande associés WO2019052074A1 (fr)

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