CN110887188A - Air conditioner control method and device and air conditioner - Google Patents

Air conditioner control method and device and air conditioner Download PDF

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Publication number
CN110887188A
CN110887188A CN201911087284.1A CN201911087284A CN110887188A CN 110887188 A CN110887188 A CN 110887188A CN 201911087284 A CN201911087284 A CN 201911087284A CN 110887188 A CN110887188 A CN 110887188A
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China
Prior art keywords
temperature
air conditioner
heat exchanger
indoor unit
water
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Pending
Application number
CN201911087284.1A
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Chinese (zh)
Inventor
翟振坤
廖敏
吴俊鸿
梁博
王现林
连彩云
田雅颂
周金声
梁之琦
徐小魏
黄鑫
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201911087284.1A priority Critical patent/CN110887188A/en
Publication of CN110887188A publication Critical patent/CN110887188A/en
Pending legal-status Critical Current

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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
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/67—Switching between heating and cooling modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • 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
    • F24F2110/20—Humidity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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

Abstract

The application provides a control method and device of an air conditioner and the air conditioner, wherein an indoor unit of the air conditioner comprises the following steps: a water storage step, in which the pipe temperature of an indoor unit heat exchanger of the air conditioner is regulated in stages in a refrigeration mode, so that condensed water is generated on the indoor unit heat exchanger, and the condensed water generated on the indoor unit heat exchanger is received and stored through a set water storage unit; wherein, this stage, includes: a condensation stage, a frosting stage and a defrosting stage; and a humidifying step, namely humidifying the room where the air conditioner is located by using condensed water generated on the heat exchanger of the indoor unit in the heating mode or the cooling mode. This application has realized anhydrous humidification function through utilizing the condensation water on the machine heat exchanger in the air conditioning, reduces the user and for the step of humidification unit watered, saves the cost, has improved user experience.

Description

Air conditioner control method and device and air conditioner
Technical Field
The application relates to the field of air conditioners, in particular to a control method and device of an air conditioner and the air conditioner.
Background
Humidity is an important index of air quality, the humidity directly influences the health problem of people in a room, the humidity is reasonably controlled, a user can be in a very comfortable environment, if the humidity is too low, the air in the room is too dry, the problems of skin itch, easy dryness and cracking of lips and the like can be caused, and if the humidity is too high, the room is humid, and clothes and the like are moldy.
In the prior art, the air conditioner with the humidifying function usually supplies the water required by the humidifying through manpower, so that the structure is complex, and the user experience is insufficient.
Disclosure of Invention
The application provides a control method and device of an air conditioner and the air conditioner, which are used for solving the problems.
In order to solve the above problem, according to one aspect of the present application, there is provided an air conditioning indoor unit, comprising: a water storage step, in which the pipe temperature of an indoor unit heat exchanger of the air conditioner is regulated in stages in a refrigeration mode, so that condensed water is generated on the indoor unit heat exchanger, and the condensed water generated on the indoor unit heat exchanger is received and stored through a set water storage unit; wherein, this stage, includes: a condensation stage, a frosting stage and a defrosting stage; and a humidifying step, namely humidifying the room where the air conditioner is located by using condensed water generated on the heat exchanger of the indoor unit in the heating mode or the cooling mode.
Optionally, adjusting the tube temperature of the heat exchanger of the indoor unit of the air conditioner in stages includes: under the condition that the humidifying function of the air conditioner needs to be used in the heating mode and no user exists in a room where the air conditioner is located, the heating mode is switched to the cooling mode; or determining the current air dew point temperature of the room where the air conditioner is positioned under the condition that the humidifying function of the air conditioner is needed to be used in the refrigerating mode; and adjusting the pipe temperature of the heat exchanger of the indoor unit of the air conditioner in stages according to the current air dew point temperature.
Optionally, determining the current air dew point temperature of the room in which the air conditioner is located comprises: detecting the current indoor temperature of a room where the indoor unit is located; detecting the current indoor temperature and the current indoor humidity, or estimating the current indoor humidity corresponding to the current indoor temperature according to a preset corresponding relation of the temperature and the humidity; determining the current air dew point temperature according to the current indoor temperature and the current indoor humidity; and/or, adjusting the pipe temperature of the heat exchanger of the indoor unit of the air conditioner in stages according to the current air dew point temperature, comprising the following steps: and (3) condensation stage: adjusting the target pipe temperature of the heat exchanger of the indoor unit to a first target temperature so as to generate condensation on the heat exchanger of the indoor unit; the first target temperature is the difference value between the current air dew point temperature and a set first temperature threshold value; a first temperature threshold greater than or equal to zero; and (3) frosting stage: the target pipe temperature of the indoor unit heat exchanger is adjusted to a second target temperature again, so that the indoor unit heat exchanger frosts; the second target temperature is the difference value between the first target temperature and a set second temperature threshold value; a second temperature threshold greater than zero; and (3) defrosting stage: defrosting the indoor heat exchanger under the condition that the target pipe temperature of the indoor heat exchanger is lower than the third target pipe temperature continuously for a first set time period so as to melt frost on the indoor heat exchanger and generate condensed water; the third target pipe temperature is the difference value between the second target pipe temperature and a set third temperature threshold value; a third temperature threshold, greater than zero.
Optionally, the first temperature threshold may be determined according to a current indoor humidity in a room where the air conditioner is located, and if the current indoor humidity is within a first set humidity range, the first temperature threshold is within the first set temperature range; if the current indoor humidity is within a second set humidity range, the first temperature threshold is within the second set temperature range; the upper limit of the first set humidity range is less than or equal to the lower limit of the second set humidity range, and the lower limit of the first set temperature range is greater than or equal to the upper limit of the second set temperature range; and/or, adjusting the target pipe temperature of the indoor unit heat exchanger to a first target temperature, and/or adjusting the target pipe temperature of the indoor unit heat exchanger to a second target temperature, comprising: the target pipe temperature of the heat exchanger of the indoor unit is adjusted to a first target temperature and/or a second target temperature by controlling the rotating speed of the compressor, the rotating speed of the fan of the indoor unit and/or the opening degree of the expansion valve; and/or, defrosting the heat exchanger of the indoor unit, comprising: and controlling the compressor of the indoor unit to stop and controlling the fan of the indoor unit to start.
Optionally, the method further comprises: a receiving step, namely receiving a humidification instruction, or determining whether the current air humidity of a room where an air conditioner is located is lower than a set humidity threshold value; in the humidification step, adopt the condensation water that produces on the indoor set heat exchanger to carry out the humidification to the room that the air conditioner is located, include: controlling the air conditioner to operate according to a target mode according to a humidification instruction or under the condition that the current air humidity of a room where the air conditioner is located is lower than a set humidity threshold value, and humidifying outlet air of an indoor unit of the air conditioner by using condensed water generated on a heat exchanger of the indoor unit; the target mode includes: a heating mode or a cooling mode.
Optionally, the condensed water generated on the indoor unit heat exchanger is received and stored by a set water storage unit, and the condensed water comprises: detecting whether the water quantity in the water storage unit reaches a preset water storage quantity or not; stopping executing the water storage step under the condition that the water amount in the water storage unit reaches the preset water storage amount; and under the condition that the water amount in the water storage unit does not reach the preset water storage amount, continuously executing the water storage step.
Optionally, the humidifying a room where an air conditioner is located by using condensed water generated on a heat exchanger of an indoor unit includes: detecting whether the water quantity in the water storage unit reaches a preset humidifying water quantity or not; under the condition that the water quantity in the water storage unit reaches the preset humidifying water quantity, directly humidifying the room where the air conditioner is located by using condensed water generated on an indoor unit heat exchanger; under the condition that the water amount in the water storage unit does not reach the preset humidifying water amount, continuously executing the water storage step; after the water storage step is carried out for the set times, if the water quantity of the water storage unit still does not reach the preset humidification water quantity, introducing an external water source through a water adding port, and humidifying a room where an air conditioner is located by using condensed water generated on an indoor unit heat exchanger in combination with the external water source; wherein, be provided with the filler on the retaining unit, the retaining unit is connected with external water source through the filler.
The application also provides a control method of the air conditioner, which comprises the following steps: the water storage unit is used for executing a water storage step, adjusting the temperature of a pipe of an indoor unit heat exchanger of the air conditioner in stages under a refrigeration mode to generate condensed water on the indoor unit heat exchanger, and receiving and storing the condensed water generated on the indoor unit heat exchanger through the set water storage unit; wherein, this stage, includes: a condensation stage, a frosting stage and a defrosting stage; and the humidifying unit is used for executing a humidifying step, and humidifying the room where the air conditioner is located by using condensed water generated on the heat exchanger of the indoor unit in a heating mode or a cooling mode.
Optionally, the water storage unit adjusts the temperature of the heat exchanger of the indoor unit of the air conditioner in stages, and the water storage unit includes: under the condition that the humidifying function of the air conditioner needs to be used in the heating mode and no user exists in a room where the air conditioner is located, the heating mode is switched to the cooling mode; or determining the current air dew point temperature of the room where the air conditioner is positioned under the condition that the humidifying function of the air conditioner is needed to be used in the refrigerating mode; and adjusting the pipe temperature of the heat exchanger of the indoor unit of the air conditioner in stages according to the current air dew point temperature.
Optionally, wherein the water storage unit determines a current air dew point temperature of a room in which the air conditioner is located, comprising: detecting the current indoor temperature of a room where the indoor unit is located; detecting the current indoor temperature and the current indoor humidity, or estimating the current indoor humidity corresponding to the current indoor temperature according to a preset corresponding relation of the temperature and the humidity; determining the current air dew point temperature according to the current indoor temperature and the current indoor humidity; and/or the water storage unit adjusts the pipe temperature of an indoor unit heat exchanger of the air conditioner in stages according to the current air dew point temperature, and the method comprises the following steps: and (3) condensation stage: adjusting the target pipe temperature of the heat exchanger of the indoor unit to a first target temperature so as to generate condensation on the heat exchanger of the indoor unit; the first target temperature is the difference value between the current air dew point temperature and a set first temperature threshold value; a first temperature threshold greater than or equal to zero; and (3) frosting stage: the target pipe temperature of the indoor unit heat exchanger is adjusted to a second target temperature again, so that the indoor unit heat exchanger frosts; the second target temperature is the difference value between the first target temperature and a set second temperature threshold value; a second temperature threshold greater than zero; and (3) defrosting stage: defrosting the indoor heat exchanger under the condition that the target pipe temperature of the indoor heat exchanger is lower than the third target pipe temperature continuously for a first set time period so as to melt frost on the indoor heat exchanger and generate condensed water; the third target pipe temperature is the difference value between the second target pipe temperature and a set third temperature threshold value; a third temperature threshold, greater than zero.
Optionally, the first temperature threshold may be determined according to a current indoor humidity in a room where the air conditioner is located, and if the current indoor humidity is within a first set humidity range, the first temperature threshold is within the first set temperature range; if the current indoor humidity is within a second set humidity range, the first temperature threshold is within the second set temperature range; the upper limit of the first set humidity range is less than or equal to the lower limit of the second set humidity range, and the lower limit of the first set temperature range is greater than or equal to the upper limit of the second set temperature range; and/or the water storage unit adjusts the target pipe temperature of the indoor unit heat exchanger to a first target temperature and/or re-adjusts the target pipe temperature of the indoor unit heat exchanger to a second target temperature, and the method comprises the following steps: the target pipe temperature of the heat exchanger of the indoor unit is adjusted to a first target temperature and/or a second target temperature by controlling the rotating speed of the compressor, the rotating speed of the fan of the indoor unit and/or the opening degree of the expansion valve; and/or, the water storage unit defrosts the heat exchanger of the indoor unit, and the defrosting method comprises the following steps: and controlling the compressor of the indoor unit to stop and controlling the fan of the indoor unit to start.
Optionally, the method further comprises: the receiving unit is used for executing the receiving step, receiving the humidification instruction, or determining whether the current air humidity of the room where the air conditioner is located is lower than a set humidity threshold value; the humidification unit adopts the condensation water that produces on the indoor set heat exchanger to carry out the humidification to the room that the air conditioner is located in the humidification step, includes: controlling the air conditioner to operate according to a target mode according to a humidification instruction or under the condition that the current air humidity of a room where the air conditioner is located is lower than a set humidity threshold value, and humidifying outlet air of an indoor unit of the air conditioner by using condensed water generated on a heat exchanger of the indoor unit; the target mode includes: a heating mode or a cooling mode.
Optionally, the water storage unit receives and stores the condensed water produced on the indoor unit heat exchanger through the set water storage unit, including: detecting whether the water quantity in the water storage unit reaches a preset water storage quantity or not; stopping executing the water storage step under the condition that the water amount in the water storage unit reaches the preset water storage amount; and under the condition that the water amount in the water storage unit does not reach the preset water storage amount, continuously executing the water storage step.
Optionally, the humidifying unit humidifies a room where the air conditioner is located by using condensed water generated on a heat exchanger of the indoor unit, and includes: detecting whether the water quantity in the water storage unit reaches a preset humidifying water quantity or not; under the condition that the water quantity in the water storage unit reaches the preset humidifying water quantity, directly humidifying the room where the air conditioner is located by using condensed water generated on an indoor unit heat exchanger; under the condition that the water amount in the water storage unit does not reach the preset humidifying water amount, continuously executing the water storage step; after the water storage step is carried out for the set times, if the water quantity of the water storage unit still does not reach the preset humidification water quantity, introducing an external water source through a water adding port, and humidifying a room where an air conditioner is located by using condensed water generated on an indoor unit heat exchanger in combination with the external water source; wherein, be provided with the filler on the retaining unit, the retaining unit is connected with external water source through the filler.
The present application further provides an air conditioner, including any one of the control devices of the air conditioner, or including a processor, a memory, and a program stored in the memory and operable on the processor, wherein the processor implements the steps of the control method of the air conditioner when executing the program.
The application provides a control method and device of an air conditioner and the air conditioner, and the anhydrous humidification function is realized by utilizing condensed water on a heat exchanger of an indoor unit of the air conditioner, so that the steps of adding water to a humidification unit by a user are reduced, the cost is saved, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram of an indoor unit of an air conditioner in an embodiment of the present application;
fig. 2 is a flowchart of a control method of an air conditioner in the embodiment of the present application.
The figures in the drawings are numbered: 1. an indoor unit heat exchanger; 2. a fan; 3. a water receiving device; 4. a pipeline; 5. a water storage unit; 6. a water filling port; 7. a humidifying unit; 8. and a mist outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In prior art, the air conditioner that has the humidification function often adds water by the user is manual, can't carry out the humidification when anhydrous in the air conditioner, leads to the user to use to experience lowly, in order to solve above-mentioned problem, this application provides a controlling means of air conditioner. Referring to fig. 1, the control device of an air conditioner according to the present application may include: a water storage unit 5 and a humidification unit 7.
In some optional embodiments, the water storage unit 5 may be configured to receive and store condensed water generated by the indoor unit heat exchanger 1, and specifically may be configured to perform a water storage step, in a refrigeration mode, adjust a tube temperature of the indoor unit heat exchanger 1 of the air conditioner in stages to generate condensed water on the indoor unit heat exchanger 1, and receive and store the condensed water generated on the indoor unit heat exchanger 1 through the set water storage unit 5; wherein, this stage, includes: a condensation stage, a frosting stage and a defrosting stage.
Specifically, as shown in fig. 1, the water storage unit 5 is preferably disposed inside the indoor unit and below the indoor unit heat exchanger 1, and when the indoor unit operates in the cooling mode, condensed water is generated on the surface of the indoor unit heat exchanger 1 by the cooling and liquefaction of air, and the condensed water falls into the water storage unit 5 by the action of gravity.
Alternatively, the water storage unit 5 receives and stores the condensed water generated on the indoor unit heat exchanger 1 through the set water storage unit 5, including: detecting whether the water quantity in the water storage unit 5 reaches a preset stored water quantity or not; stopping executing the water storage step when the water amount in the water storage unit 5 reaches a preset stored water amount; in the case where the amount of water in the water storage unit 5 does not reach the preset stored water amount, the water storage step is continuously performed.
For example: a water level detection device may be provided, through which the amount of water in the water storage unit is detected; specifically, the water level detecting device may be, for example, a pressure sensor disposed at the bottom inside the water storage unit 3, and is configured to detect the water pressure inside the water storage unit 3, determine the amount of water stored in the water storage unit 3 according to the water pressure, and accurately determine the amount of water.
Alternatively, the water storage unit 5 adjusts the tube temperature of the indoor unit heat exchanger 1 of the air conditioner in stages, and may include: under the condition that the humidifying function of the air conditioner needs to be used in the heating mode and no user exists in a room where the air conditioner is located, the heating mode is switched to the cooling mode; or determining the current air dew point temperature of the room where the air conditioner is positioned under the condition that the humidifying function of the air conditioner is needed to be used in the refrigerating mode; and adjusting the pipe temperature of the heat exchanger 1 of the indoor unit of the air conditioner in stages according to the current air dew point temperature.
More optionally, the water storage unit 5 determines the current air dew point temperature of the room where the air conditioner is located, and may include: detecting the current indoor temperature of a room where the indoor unit is located; detecting the current indoor temperature and the current indoor humidity, or estimating the current indoor humidity corresponding to the current indoor temperature according to a preset corresponding relation of the temperature and the humidity; and determining the current air dew point temperature according to the current indoor temperature and the current indoor humidity.
For example: a temperature sensor and/or a humidity sensor are/is arranged on the indoor unit of the air conditioner; specifically, the temperature sensor and the humidity sensor are used for detecting the environmental state of a room where the indoor unit of the air conditioner is located, so as to judge whether humidification control is needed or not.
More optionally, the water storage unit 5 adjusts the pipe temperature of the indoor unit heat exchanger 1 of the air conditioner in stages according to the current air dew point temperature, and may include: and (3) condensation stage: adjusting the target pipe temperature of the indoor unit heat exchanger 1 to a first target temperature to enable condensation to be generated on the indoor unit heat exchanger 1; the first target temperature is the difference value between the current air dew point temperature and a set first temperature threshold value; a first temperature threshold greater than or equal to zero; and (3) frosting stage: the target pipe temperature of the indoor unit heat exchanger 1 is adjusted to a second target temperature again, so that the indoor unit heat exchanger 1 frosts; the second target temperature is the difference value between the first target temperature and a set second temperature threshold value; a second temperature threshold greater than zero; and (3) defrosting stage: defrosting the indoor heat exchanger 1 under the condition that the target pipe temperature of the indoor heat exchanger is lower than the third target pipe temperature continuously for a first set time period, so that frost on the indoor heat exchanger 1 is melted to generate condensed water; the third target pipe temperature is the difference value between the second target pipe temperature and a set third temperature threshold value; a third temperature threshold, greater than zero.
Further optionally, the first temperature threshold may be determined according to a current indoor humidity in a room where the air conditioner is located, and if the current indoor humidity is within a first set humidity range, the first temperature threshold is within the first set temperature range; if the current indoor humidity is within a second set humidity range, the first temperature threshold is within the second set temperature range; the upper limit of the first set humidity range is less than or equal to the lower limit of the second set humidity range, and the lower limit of the first set temperature range is greater than or equal to the upper limit of the second set temperature range.
Still further optionally, the water storage unit 5 adjusts the target pipe temperature of the indoor unit heat exchanger 1 to a first target temperature, and/or readjusts the target pipe temperature of the indoor unit heat exchanger 1 to a second target temperature, including: the target pipe temperature of the indoor unit heat exchanger 1 is adjusted to a first target temperature and/or a second target temperature by controlling the rotating speed of the compressor, the rotating speed of the indoor unit fan and/or the opening degree of the expansion valve.
Still further optionally, the water storage unit 5 defrosts the indoor unit heat exchanger 1, and includes: and controlling the compressor of the indoor unit to stop and controlling the fan of the indoor unit to start.
In some optional embodiments, the humidifying unit 7 may be configured to perform a humidifying step, and humidify a room where the air conditioner is located by using condensed water generated by the indoor unit heat exchanger 1 in a heating mode or a cooling mode. For example: and the humidifying unit 7 is connected with the water storage unit 5 and is used for humidifying the outlet air of the indoor unit by using the water in the water storage unit 5 according to the humidifying instruction when receiving the humidifying instruction.
Specifically, as shown in fig. 1, the humidification unit 7 is disposed inside the indoor unit, and when the indoor unit receives a humidification instruction, the humidification unit 7 is controlled to pump water from the water storage unit 5 and atomize the pumped water, so as to increase the humidity of the outlet air when the indoor unit discharges the air. In winter, when the heating mode is adopted for operation, the indoor humidity is often lower, and through the control device of the air conditioner provided by the application, the indoor unit of the air conditioner can humidify the air outlet of the air conditioner during heating, so that the use experience of a user is improved.
For example: the humidifying unit 7 is an ultrasonic humidifier, an electric heating humidifier or an electrode humidifier; the temperature of electrical heating humidifier can increase moisture in the humidification, because the user carries out the humidification usually when adopting the mode of heating, consequently directly spout moisture into the air-out and can reduce the temperature of air-out, can prevent to reduce the air-out temperature when adopting the electrical heating humidifier and lead to user experience not enough.
For example: the humidifying unit 7 is provided with a fog outlet 8, and the fog outlet 8 is positioned at an air outlet of the indoor unit. The fog outlet 8 is a position where the humidifying unit 7 sprays atomized moisture, and the fog outlet 8 is specifically arranged between the fan 2 and an air outlet of the indoor unit and is positioned on an air outlet flow channel of the indoor unit.
Among the controlling means of the air conditioner that this application provided, the machine is through receiving the condensation water on the indoor set heat exchanger in the air conditioner to be used for the humidification with the condensation water of receiving, can reduce the moisturizing to the humidifier, reduce cost, in addition, what receive in this application is the condensation water of indoor heat exchanger and do not adopt the condensation water of outdoor heat exchanger, this is because outdoor heat exchanger is located outdoors, and outdoor environmental aspect is often relatively poor, and the condensation water that adopts outdoor heat exchanger causes the influence to user's health easily.
Optionally, the humidifying unit 7 humidifies a room where the air conditioner is located by using condensed water generated by the indoor unit heat exchanger 1, and includes: detecting whether the water quantity in the water storage unit 5 reaches a preset humidifying water quantity or not; under the condition that the water amount in the water storage unit 5 reaches the preset humidification water amount, directly humidifying the room where the air conditioner is located by using condensed water generated on the indoor unit heat exchanger 1; under the condition that the water amount in the water storage unit 5 does not reach the preset humidifying water amount, continuously executing the water storage step; after the water storage step is executed for a set number of times, if the water volume of the water storage unit 5 does not reach the preset humidification water volume, introducing an external water source through a water adding port, and humidifying a room where an air conditioner is located by using condensed water generated on the indoor unit heat exchanger 1 in combination with the external water source; wherein, be provided with the filler on water storage unit 5, water storage unit 5 is connected with external water source through the filler.
For example: the water storage unit 5 is provided with a water filling port 6 for filling water into the water storage unit 5 through the water filling port 6; specifically, the filler 6 may be used to be connected to a tap water pipe so that water is replenished through the filler 6 when the amount of water stored in the water storage unit 5 is insufficient to humidify the room.
The application provides a controlling means of air conditioner, when carrying out the humidification, judge earlier whether the water yield in the retaining unit reaches and predetermines the water yield, carry out the humidification when reaching and predetermine the water yield, can guarantee the humidification effect, also can avoid anhydrous humidification.
In some optional embodiments, the method may further include: a receiving unit (such as a water receiving device 3). And the receiving unit can be used for executing the receiving step, receiving the humidification instruction, or determining whether the current air humidity of the room where the air conditioner is located is lower than the set humidity threshold value.
Specifically, the humidification unit 7 humidifies a room where the air conditioner is located by using condensed water generated by the indoor unit heat exchanger 1 in the humidification step, and includes: controlling the air conditioner to operate according to a target mode according to a humidification instruction or under the condition that the current air humidity of a room where the air conditioner is located is lower than a set humidity threshold value, and humidifying the outlet air of an indoor unit of the air conditioner by using condensed water generated on a heat exchanger 1 of the indoor unit; the target mode includes: a heating mode or a cooling mode.
For example: with continuing reference to fig. 1, the control device of the air conditioner provided by the present application further includes: the water receiving device 3 is connected with the water storage unit 5 through a pipeline 4, and the water receiving device 3 is arranged on the periphery of the indoor unit heat exchanger 1 and used for receiving condensed water generated on the indoor unit heat exchanger and conveying the received condensed water to the water storage unit 5; specifically, the water receiving device 3 may be, for example, a water receiving tray, and is disposed below the indoor unit heat exchanger 1, and the width of the water receiving device is greater than that of the indoor unit heat exchanger 1, so as to ensure that condensed water on the indoor unit heat exchanger 1 is sufficiently received.
The application also provides a control method of the air conditioner, which can comprise the following steps: a water storage step and a humidification step.
In some optional embodiments, in the water storage step, in the refrigeration mode, the temperature of a pipe of an indoor unit heat exchanger of the air conditioner is adjusted in stages, so that condensed water is generated on the indoor unit heat exchanger, and the condensed water generated on the indoor unit heat exchanger is received and stored through a set water storage unit; wherein, this stage, includes: a condensation stage, a frosting stage and a defrosting stage.
For example: and a water storage step, namely adjusting the pipe temperature of the indoor unit heat exchanger so as to generate condensed water on the indoor unit heat exchanger, and receiving and storing the condensed water generated on the indoor unit heat exchanger through the water storage unit.
Specifically, before the humidification step, whether the water quantity in the water storage unit reaches the preset water quantity or not is detected, if the preset water quantity is not reached, the water storage step is executed, when the water storage step is executed, the air conditioner indoor unit can run in a refrigeration mode, and condensation water is generated on the heat exchanger of the indoor unit in the refrigeration mode. Optionally, whether the water yield in the real-time detection retaining unit reaches and predetermines the water yield, when the water yield in the retaining unit does not reach and predetermines the water yield, the automatic execution retaining step when indoor not having the user to guarantee that the retaining unit has enough water all the time, and because the user not so can not influence user experience indoor, in the one period after the step completion of retaining, indoor humidity can rise because the air convection is automatic. Through carrying out the step of retaining, realized anhydrous humidification, need not the user and provide the water source and can carry out the humidification to indoor, reduced user in the prior art and to the step of humidification unit watered, the user does not worry that there is not water in the retaining unit, has improved user's use and has experienced.
In some optional embodiments, the air conditioning indoor unit includes a water level detecting device, and the water storage step is stopped when the water level detecting device detects that the amount of water in the water storage unit reaches a preset amount of water.
It is specific, the water storage step stops carrying out when detecting the water yield in the water storage unit and reaching preset water yield, in order to prevent that the water storage unit can't hold whole condensation water, cause the infiltration of air conditioning indoor set, it needs to pay attention to, when stopping carrying out the water storage step, certain water yield still probably exists on the heat exchanger, therefore, the total volume of water storage unit should be than the volume of presetting the water yield big, it is preferred, the biggest water yield that can hang on the statistics of heat exchanger in advance, the water storage unit is greater than the sum of the biggest water yield that can hang and hold on presetting water yield and the heat exchanger, thereby prevent indoor set in the water storage step and leak.
Optionally, adjusting the tube temperature of the heat exchanger of the indoor unit of the air conditioner in stages includes: under the condition that the humidifying function of the air conditioner needs to be used in the heating mode and no user exists in a room where the air conditioner is located, the heating mode is switched to the cooling mode; or determining the current air dew point temperature of the room where the air conditioner is positioned under the condition that the humidifying function of the air conditioner is needed to be used in the refrigerating mode; and adjusting the pipe temperature of the heat exchanger of the indoor unit of the air conditioner in stages according to the current air dew point temperature.
More optionally, determining the current air dew point temperature of the room in which the air conditioner is located comprises: detecting the current indoor temperature of a room where the indoor unit is located; detecting the current indoor temperature and the current indoor humidity, or estimating the current indoor humidity corresponding to the current indoor temperature according to a preset corresponding relation of the temperature and the humidity; and determining the current air dew point temperature according to the current indoor temperature and the current indoor humidity.
More optionally, the step of adjusting the pipe temperature of the indoor unit heat exchanger of the air conditioner in stages according to the current air dew point temperature comprises a condensation stage of adjusting the target pipe temperature of the indoor unit heat exchanger to a first target temperature to generate condensation on the indoor unit heat exchanger, wherein the first target temperature is the current air dew point temperature and a set first temperature threshold value such as △ T1The difference value between the first temperature threshold and the second temperature threshold is larger than or equal to zero, and in the frosting stage, the target pipe temperature of the heat exchanger of the indoor unit is regulated to the second target temperature again to frost the heat exchanger of the indoor unit, wherein the second target temperature is the first target temperature and the set second temperature threshold, such as △ T2The difference between them; a second temperature threshold greater than zero;
in the defrosting stage, when the target pipe temperature of the indoor heat exchanger is continuously lower than a third target pipe temperature for a first set time, defrosting the indoor heat exchanger to melt frost on the indoor heat exchanger to generate condensed water, wherein the third target pipe temperature is the second target pipe temperature and a set third temperature threshold value such as △ T3The difference between them; a third temperature threshold, greater than zero.
Still further optionally, the first temperature threshold is, for example, △ T1The method comprises the steps that the current indoor humidity in a room where the air conditioner is located can be determined, and if the current indoor humidity is within a first set humidity range, a first temperature threshold value is within a first set temperature range; if the current indoor humidity is within a second set humidity range, the first temperature threshold is within the second set temperature range; the upper limit of the first set humidity range is less than or equal to the lower limit of the second set humidity range, and the lower limit of the first set temperature range is greater than or equal to the upper limit of the second set temperature range.
Further optionally, adjusting the target tube temperature of the indoor unit heat exchanger to a first target temperature, and/or adjusting the target tube temperature of the indoor unit heat exchanger to a second target temperature, includes: the target pipe temperature of the heat exchanger of the indoor unit is adjusted to the first target temperature and/or the second target temperature by controlling the rotating speed of the compressor, the rotating speed of the fan of the indoor unit and/or the opening degree of the expansion valve.
For example: adjust the pipe temperature of indoor set heat exchanger, include: detecting the current indoor temperature of a room where the indoor unit is positioned, estimating the current indoor humidity corresponding to the current indoor temperature according to the preset corresponding relation of the temperature and the humidity, and calculating the current air dew point temperature T according to the current indoor temperature and the current indoor humiditydOr, detecting the currentCalculating the current dew point temperature T of air according to the current indoor temperature and the current indoor humidityd(ii) a According to the current air dew point temperature TdAnd adjusting the pipe temperature of the heat exchanger of the indoor unit.
Specifically, this embodiment is applicable to the condition of installing temperature sensor or humidity transducer on the air conditioner, when being equipped with temperature sensor and humidity transducer simultaneously on the air conditioner, then directly confirms current air dew point temperature according to current indoor temperature and current indoor humidity. And only install temperature sensor's the condition on the air conditioner, can not direct calculation current air dew point temperature, at this moment, set up corresponding indoor humidity for different current indoor temperatures in advance, specifically, estimate the current indoor humidity that current indoor temperature corresponds according to the preset corresponding relation of temperature and humidity, include: setting the current indoor humidity to be 30% -50% when the current indoor temperature is less than 0 ℃, or setting the current indoor humidity to be 50% -70% when the current indoor humidity is not less than 0 ℃; this is calculated based on the set current indoor humidity and the detected current indoor temperature.
In some alternative embodiments, the current air dew point temperature T is based ondAdjust the pipe temperature of indoor set heat exchanger, include:
in the condensation stage, the temperature of a target pipe of the heat exchanger of the indoor unit is adjusted to Td-△T1So as to generate condensed water on the heat exchanger of the indoor unit.
Specifically, 0 is not more than △ T1And the pipe temperature of the indoor heat exchanger is adjusted by controlling the rotating speed of the compressor, the rotating speed of the fan of the indoor unit and/or the opening degree of the expansion valve, and in a condensation stage, because the target pipe temperature of the heat exchanger of the indoor unit is lower than the current dew point temperature of air, moisture in the air is liquefied on the heat exchanger of the indoor unit, so that condensation is generated. The air conditioner may be controlled to operate in a cooling mode during the condensation phase. Optionally, Δ T is determined according to the current indoor humidity1△ T when the current indoor humidity is high1Small, △ T when the current indoor humidity is low1Larger, for example, when the current indoor humidity is 20-40%, the delta T1 is more than or equal to 5 ℃ and less than or equal to 10 ℃; and/orWhen the current indoor humidity is 40-70%, delta T is not less than 0 DEG C1≤5℃。
In the frosting stage, the temperature of a target pipe of the heat exchanger of the indoor unit is adjusted to Td-△T1-△T2So as to frost the heat exchanger of the indoor unit.
Specifically, the tube temperature of the indoor heat exchanger is adjusted by controlling the rotation speed of the compressor, the rotation speed of the indoor unit fan and/or the opening degree of the expansion valve, in this embodiment, the frosting stage is added, 0<△T2When the temperature of a target pipe in the frosting stage is lower than that in the condensation stage, condensation on the heat exchanger of the indoor unit frosts at the low temperature, the effect of the frosting stage is increased to improve the water storage speed and reduce the total time of the water storage step, and optionally, delta T2 is more than or equal to 5 ℃ and less than or equal to 10 ℃.
And a defrosting stage, namely exiting the defrosting stage when a preset condition is met, and defrosting the heat exchanger of the indoor unit so as to melt the frost on the heat exchanger of the indoor unit.
Specifically, the preset condition may be that the tube temperature of the heat exchanger is continuously lower than T for a first time periodd-△T1-△T2-△T3；△T3>0 ℃, optionally, the first period of time is not less than 5 minutes and not more than 10 minutes, and/or, 5 ℃. ltoreq. DELTA.T3Not more than 15 ℃, optionally, in the defrosting stage, the compressor of the indoor unit is shut down, the fan of the indoor unit is started, the air conditioner does not heat or refrigerate at the moment, and the frosting is melted by utilizing the temperature of the air per se, so that the water storage unit stores water and saves energy.
According to the method provided by the application, the water storage step is preferably executed when no person is in the room, the change of the indoor temperature cannot influence a user, and the heat of the indoor air is fully utilized to melt frosting in the defrosting stage so as to save energy.
Still further optionally, defrosting the heat exchanger of the indoor unit includes: and controlling the compressor of the indoor unit to stop and controlling the fan of the indoor unit to start.
Optionally, the condensed water generated on the indoor unit heat exchanger is received and stored by a set water storage unit, and the condensed water comprises: detecting whether the water quantity in the water storage unit reaches a preset water storage quantity or not; stopping executing the water storage step under the condition that the water amount in the water storage unit reaches the preset water storage amount; and under the condition that the water amount in the water storage unit does not reach the preset water storage amount, continuously executing the water storage step.
In some optional embodiments, in the humidifying step, in the heating mode or the cooling mode, condensed water generated on a heat exchanger of the indoor unit is used for humidifying a room where the air conditioner is located.
In an alternative embodiment, the method further comprises: and receiving.
And a receiving step of receiving a humidification instruction or determining whether the current air humidity of the room where the air conditioner is located is lower than a set humidity threshold value.
Specifically, as shown in fig. 2, the air-conditioning indoor unit receives a humidification instruction sent by a user through an air-conditioning remote controller, and the air-conditioning remote controller may be provided with a voice recognition device, so that the user can send the humidification instruction through voice.
In the humidification step, adopt the condensation water that produces on the indoor set heat exchanger to carry out the humidification to the room that the air conditioner is located, include: controlling the air conditioner to operate according to a target mode according to a humidification instruction or under the condition that the current air humidity of a room where the air conditioner is located is lower than a set humidity threshold value, and humidifying outlet air of an indoor unit of the air conditioner by using condensed water generated on a heat exchanger of the indoor unit; the target mode includes: a heating mode or a cooling mode.
For example: the humidification instruction may include an operation mode (i.e., a target mode) of the air conditioner, such as a heating mode and a cooling mode, and the air conditioner may also be controlled to only output air for humidification without heating and cooling.
Optionally, the humidifying a room where an air conditioner is located by using condensed water generated on a heat exchanger of an indoor unit includes: detecting whether the water quantity in the water storage unit reaches a preset humidifying water quantity or not; under the condition that the water quantity in the water storage unit reaches the preset humidifying water quantity, directly humidifying the room where the air conditioner is located by using condensed water generated on an indoor unit heat exchanger; under the condition that the water amount in the water storage unit does not reach the preset humidifying water amount, continuously executing the water storage step; after the water storage step is carried out for the set times, if the water quantity of the water storage unit still does not reach the preset humidification water quantity, introducing an external water source through a water adding port, and humidifying a room where an air conditioner is located by using condensed water generated on an indoor unit heat exchanger in combination with the external water source; wherein, be provided with the filler on the retaining unit, the retaining unit is connected with external water source through the filler.
In some optional embodiments, a water filling port is arranged on the water storage unit, and the water storage unit is connected with an external water source through the water filling port; when the water quantity in the water storage unit does not reach the preset water quantity, repeatedly executing the water storage step; after the step of storing water for N times is executed, if the water quantity of the water storage unit still does not reach the preset water quantity, introducing an external water source through a water filling port, wherein N is more than or equal to 1.
Specifically, N is preferably 3, when the water storage step is performed, the duration of each water storage step may be preset, for example, the duration of the water storage step may be set to 15 minutes, and when the water storage step is performed N times continuously, a sufficient amount of water cannot be stored, it indicates that the current indoor humidity is insufficient, and there is insufficient water in the air, so that the water storage unit needs to be replenished with water through an external water source.
In order to better illustrate the beneficial effects of the method proposed by the present application, another embodiment is presented below.
The air conditioner can realize the function of humidifying by utilizing the condensed water of the heat exchanger of the indoor unit under the heating working condition.
The air conditioner of the invention is provided with a water receiving device 3 below the heat exchanger 1 for collecting the condensed water of the heat exchanger 1. The indoor unit is provided with a water storage unit 5, an inlet of the water storage unit 5 is connected with an outlet of the water receiving device through a pipeline 4, and meanwhile, the water storage unit 5 is also provided with an automatic water filling port 6 communicated with the outside. The indoor unit is provided with a humidifying unit 7, an inlet of the humidifying unit 7 is connected with a water outlet of the water storage unit 5 through a pipeline, and a fog outlet 8 of the humidifying unit is located at an air outlet of the indoor unit of the air conditioner and is used for humidifying indoor outlet air. The humidification mode of the humidification unit can be ultrasonic humidification, electric heating humidification, electrode humidification and the like. The present invention preferably employs an ultrasonic humidification method.
The air conditioner has the function of humidifying without water in the heating state. The method comprises the following steps of starting an anhydrous humidification function and then collecting condensed water of a heat exchanger of an indoor unit, and executing a water storage step after receiving a humidification command, wherein the water storage step comprises three stages, and specifically comprises the following steps: the condensation stage, the frosting stage and the defrosting stage, and the execution content of each stage is specifically described below.
And (3) condensation stage: the indoor unit is provided with a module for acquiring temperature and humidity parameters in a room in real time, specifically a temperature sensor and a humidity sensor, acquiring current indoor temperature and current indoor humidity, specifically relative humidity parameters, and calculating the dew point temperature T of current airdOr, when no humidity sensor is provided, the current air dew point temperature T is obtained according to the relationship between the preset temperature and the relative humidityd. The target pipe temperature of the heat exchanger of the indoor unit is adjusted by controlling the rotating speed of the compressor, the rotating speed of the inner fan and the opening degree of the electronic expansion valve, wherein the target pipe temperature of the heat exchanger of the indoor unit is Td-ΔT1,ΔT1And has a preset relationship with the current indoor humidity. Delta T1The value range is not less than 0℃ and not more than delta T1Less than or equal to 15 ℃. When the current indoor humidity is within the range of 20-40%, delta T is selected to be less than or equal to 5 DEG C1Delta T is not less than 0 ℃ and not more than 10 ℃ when the current indoor humidity is within the range of 40-70 percent1Less than or equal to 5 ℃. The heat exchanger generates condensation by controlling the temperature of the heat exchanger.
And (3) frosting stage: the target pipe temperature of the heat exchanger of the indoor unit is adjusted by controlling the rotating speed of the compressor, the rotating speed of the inner fan and the opening degree of the electronic expansion valve, namely the target pipe temperature-delta T of the heat exchanger of the indoor unit in the condensation stage2。ΔT2The value range of delta T2 is more than or equal to 5 ℃ and less than or equal to 10 ℃.
And (3) defrosting stage: when the air conditioner detects that the tube temperature of the heat exchanger is lower than the target tube temperature-delta T3 of the indoor unit heat exchanger in the frosting stage continuously for T min, the value range of T is more than or equal to 5min and less than or equal to 10min, the value range of delta T3, and the value range of delta T is more than or equal to 5℃ and less than or equal to 10min3The frosting of the heat exchanger of the indoor unit is judged to be more than or equal to 15 ℃, and the indoor unit starts an air supply mode (only an indoor fan is started and an air conditioner compressor is stopped)Stopping working), the generated condensed water is collected by the water receiving device and stored in the water storage unit.
The water storage unit of this application is provided with water level detection device, detects the water level when water level detection device and satisfies the demands, and when the water yield reached and predetermine the water yield, the air conditioning indoor set withdrawed from the retaining step.
The application also provides an air conditioner remote controller, which is used for controlling the air conditioner indoor unit provided by the application, and/or the air conditioner remote controller is used for sending a humidifying instruction to the air conditioner indoor unit so as to enable the air conditioner indoor unit to execute the steps of the method provided by the application.
Optionally, the air conditioner remote controller is provided with a humidifying function button, the air conditioner remote controller or the air conditioner has a voice control function, and a user can send a humidifying instruction to an indoor unit of the air conditioner through the air conditioner remote controller or directly send the voice instruction to the air conditioner to control the air conditioner to humidify. The user opens the humidification function through air conditioner remote controller or selection send command, send the humidification instruction to the air conditioning indoor set, the air conditioner detects current indoor humiture, judge the target pipe temperature of indoor set heat exchanger, carry out condensation, frost formation and the frost process of changing, the condensation water is collected to the retaining unit simultaneously, water level detection device real-time detection water level height in the retaining unit, reach the default of quantity, accomplish the retaining, after the retaining is accomplished to the retaining unit, the humidification unit is opened, carry out the humidification to the air conditioning indoor set air-out.
The application also provides an air conditioner, which comprises the air conditioner indoor unit provided by any one of the applications, or comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor executes the program to realize the steps of any one of the methods provided by the application.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (15)

1. A control method of an air conditioner, comprising:
a water storage step, in which the pipe temperature of an indoor unit heat exchanger of the air conditioner is regulated in stages in a refrigeration mode, so that condensed water is generated on the indoor unit heat exchanger, and the condensed water generated on the indoor unit heat exchanger is received and stored through a set water storage unit; wherein, this stage, includes: a condensation stage, a frosting stage and a defrosting stage;
and a humidifying step, namely humidifying the room where the air conditioner is located by using condensed water generated on the heat exchanger of the indoor unit in the heating mode or the cooling mode.
2. The control method of the air conditioner according to claim 1, wherein adjusting the pipe temperature of the heat exchanger of the indoor unit of the air conditioner in stages comprises:
under the condition that the humidifying function of the air conditioner needs to be used in the heating mode and no user exists in a room where the air conditioner is located, the heating mode is switched to the cooling mode; or determining the current air dew point temperature of the room where the air conditioner is positioned under the condition that the humidifying function of the air conditioner is needed to be used in the refrigerating mode;
and adjusting the pipe temperature of the heat exchanger of the indoor unit of the air conditioner in stages according to the current air dew point temperature.
3. The control method of an air conditioner according to claim 2, wherein,
determining the current air dew point temperature of a room where an air conditioner is located, comprising:
detecting the current indoor temperature of a room where the indoor unit is located;
detecting the current indoor temperature and the current indoor humidity, or estimating the current indoor humidity corresponding to the current indoor temperature according to a preset corresponding relation of the temperature and the humidity;
determining the current air dew point temperature according to the current indoor temperature and the current indoor humidity;
and/or the presence of a gas in the gas,
the method for adjusting the pipe temperature of the heat exchanger of the indoor unit of the air conditioner in stages according to the current air dew point temperature comprises the following steps:
and (3) condensation stage: adjusting the target pipe temperature of the heat exchanger of the indoor unit to a first target temperature so as to generate condensation on the heat exchanger of the indoor unit; the first target temperature is the difference value between the current air dew point temperature and a set first temperature threshold value; a first temperature threshold greater than or equal to zero;
and (3) frosting stage: the target pipe temperature of the indoor unit heat exchanger is adjusted to a second target temperature again, so that the indoor unit heat exchanger frosts; the second target temperature is the difference value between the first target temperature and a set second temperature threshold value; a second temperature threshold greater than zero;
and (3) defrosting stage: defrosting the indoor heat exchanger under the condition that the target pipe temperature of the indoor heat exchanger is lower than the third target pipe temperature continuously for a first set time period so as to melt frost on the indoor heat exchanger and generate condensed water; the third target pipe temperature is the difference value between the second target pipe temperature and a set third temperature threshold value; a third temperature threshold, greater than zero.
4. The control method of an air conditioner according to claim 3, wherein,
the first temperature threshold value can be determined according to the current indoor humidity in the room where the air conditioner is located, and if the current indoor humidity is within a first set humidity range, the first temperature threshold value is within the first set temperature range; if the current indoor humidity is within a second set humidity range, the first temperature threshold is within the second set temperature range; the upper limit of the first set humidity range is less than or equal to the lower limit of the second set humidity range, and the lower limit of the first set temperature range is greater than or equal to the upper limit of the second set temperature range;
and/or the presence of a gas in the gas,
adjusting the target pipe temperature of the indoor unit heat exchanger to a first target temperature and/or adjusting the target pipe temperature of the indoor unit heat exchanger to a second target temperature, comprising: the target pipe temperature of the heat exchanger of the indoor unit is adjusted to a first target temperature and/or a second target temperature by controlling the rotating speed of the compressor, the rotating speed of the fan of the indoor unit and/or the opening degree of the expansion valve;
and/or the presence of a gas in the gas,
defrosting an indoor unit heat exchanger, comprising: and controlling the compressor of the indoor unit to stop and controlling the fan of the indoor unit to start.
5. The control method of an air conditioner according to any one of claims 1 to 4, further comprising:
a receiving step, namely receiving a humidification instruction, or determining whether the current air humidity of a room where an air conditioner is located is lower than a set humidity threshold value;
in the humidification step, adopt the condensation water that produces on the indoor set heat exchanger to carry out the humidification to the room that the air conditioner is located, include: controlling the air conditioner to operate according to a target mode according to a humidification instruction or under the condition that the current air humidity of a room where the air conditioner is located is lower than a set humidity threshold value, and humidifying outlet air of an indoor unit of the air conditioner by using condensed water generated on a heat exchanger of the indoor unit; the target mode includes: a heating mode or a cooling mode.
6. The control method of an air conditioner according to any one of claims 1 to 4, wherein the dew condensation water generated on the indoor unit heat exchanger is received and stored by a set water storage unit, comprising:
detecting whether the water quantity in the water storage unit reaches a preset water storage quantity or not;
stopping executing the water storage step under the condition that the water amount in the water storage unit reaches the preset water storage amount;
and under the condition that the water amount in the water storage unit does not reach the preset water storage amount, continuously executing the water storage step.
7. The method of claim 6, wherein humidifying a room in which the air conditioner is located using condensed water generated in a heat exchanger of an indoor unit, comprises:
detecting whether the water quantity in the water storage unit reaches a preset humidifying water quantity or not;
under the condition that the water quantity in the water storage unit reaches the preset humidifying water quantity, directly humidifying the room where the air conditioner is located by using condensed water generated on an indoor unit heat exchanger;
under the condition that the water amount in the water storage unit does not reach the preset humidifying water amount, continuously executing the water storage step; after the water storage step is carried out for the set times, if the water quantity of the water storage unit still does not reach the preset humidification water quantity, introducing an external water source through a water adding port, and humidifying a room where an air conditioner is located by using condensed water generated on an indoor unit heat exchanger in combination with the external water source;
wherein, be provided with the filler on the retaining unit, the retaining unit is connected with external water source through the filler.
8. A control device of an air conditioner, characterized by comprising:
the water storage unit is used for executing a water storage step, adjusting the temperature of a pipe of an indoor unit heat exchanger of the air conditioner in stages under a refrigeration mode to generate condensed water on the indoor unit heat exchanger, and receiving and storing the condensed water generated on the indoor unit heat exchanger through the set water storage unit; wherein, this stage, includes: a condensation stage, a frosting stage and a defrosting stage;
and the humidifying unit is used for executing a humidifying step, and humidifying the room where the air conditioner is located by using condensed water generated on the heat exchanger of the indoor unit in a heating mode or a cooling mode.
9. The control device of the air conditioner according to claim 8, wherein the water storage unit adjusts the tube temperature of the heat exchanger of the indoor unit of the air conditioner in stages, comprising:
under the condition that the humidifying function of the air conditioner needs to be used in the heating mode and no user exists in a room where the air conditioner is located, the heating mode is switched to the cooling mode; or determining the current air dew point temperature of the room where the air conditioner is positioned under the condition that the humidifying function of the air conditioner is needed to be used in the refrigerating mode;
and adjusting the pipe temperature of the heat exchanger of the indoor unit of the air conditioner in stages according to the current air dew point temperature.
10. The control device of an air conditioner according to claim 9, wherein,
the water storage unit determines the current air dew point temperature of a room where the air conditioner is located, and comprises the following steps:
detecting the current indoor temperature of a room where the indoor unit is located;
detecting the current indoor temperature and the current indoor humidity, or estimating the current indoor humidity corresponding to the current indoor temperature according to a preset corresponding relation of the temperature and the humidity;
determining the current air dew point temperature according to the current indoor temperature and the current indoor humidity;
and/or the presence of a gas in the gas,
the water storage unit adjusts the pipe temperature of the indoor unit heat exchanger of the air conditioner according to the current air dew point temperature by stages, and the method comprises the following steps:
and (3) condensation stage: adjusting the target pipe temperature of the heat exchanger of the indoor unit to a first target temperature so as to generate condensation on the heat exchanger of the indoor unit; the first target temperature is the difference value between the current air dew point temperature and a set first temperature threshold value; a first temperature threshold greater than or equal to zero;
and (3) frosting stage: the target pipe temperature of the indoor unit heat exchanger is adjusted to a second target temperature again, so that the indoor unit heat exchanger frosts; the second target temperature is the difference value between the first target temperature and a set second temperature threshold value; a second temperature threshold greater than zero;
and (3) defrosting stage: defrosting the indoor heat exchanger under the condition that the target pipe temperature of the indoor heat exchanger is lower than the third target pipe temperature continuously for a first set time period so as to melt frost on the indoor heat exchanger and generate condensed water; the third target pipe temperature is the difference value between the second target pipe temperature and a set third temperature threshold value; a third temperature threshold, greater than zero.
11. The control device of an air conditioner according to claim 10, wherein,
the first temperature threshold value can be determined according to the current indoor humidity in the room where the air conditioner is located, and if the current indoor humidity is within a first set humidity range, the first temperature threshold value is within the first set temperature range; if the current indoor humidity is within a second set humidity range, the first temperature threshold is within the second set temperature range; the upper limit of the first set humidity range is less than or equal to the lower limit of the second set humidity range, and the lower limit of the first set temperature range is greater than or equal to the upper limit of the second set temperature range;
and/or the presence of a gas in the gas,
the water storage unit adjusts the target pipe temperature of the indoor unit heat exchanger to a first target temperature and/or adjusts the target pipe temperature of the indoor unit heat exchanger to a second target temperature again, and the method comprises the following steps: the target pipe temperature of the heat exchanger of the indoor unit is adjusted to a first target temperature and/or a second target temperature by controlling the rotating speed of the compressor, the rotating speed of the fan of the indoor unit and/or the opening degree of the expansion valve;
and/or the presence of a gas in the gas,
the water storage unit defrosts the indoor unit heat exchanger, includes: and controlling the compressor of the indoor unit to stop and controlling the fan of the indoor unit to start.
12. The control device of an air conditioner according to any one of claims 8 to 11, further comprising:
the receiving unit is used for executing the receiving step, receiving the humidification instruction, or determining whether the current air humidity of the room where the air conditioner is located is lower than a set humidity threshold value;
the humidification unit adopts the condensation water that produces on the indoor set heat exchanger to carry out the humidification to the room that the air conditioner is located in the humidification step, includes: controlling the air conditioner to operate according to a target mode according to a humidification instruction or under the condition that the current air humidity of a room where the air conditioner is located is lower than a set humidity threshold value, and humidifying outlet air of an indoor unit of the air conditioner by using condensed water generated on a heat exchanger of the indoor unit; the target mode includes: a heating mode or a cooling mode.
13. The control device of an air conditioner according to any one of claims 8 to 11, wherein the water storage unit receives and stores condensed water generated on the indoor unit heat exchanger through a set water storage unit, comprising:
detecting whether the water quantity in the water storage unit reaches a preset water storage quantity or not;
stopping executing the water storage step under the condition that the water amount in the water storage unit reaches the preset water storage amount;
and under the condition that the water amount in the water storage unit does not reach the preset water storage amount, continuously executing the water storage step.
14. The control device of the air conditioner according to claim 13, wherein the humidifying unit humidifies a room where the air conditioner is located using condensed water generated at a heat exchanger of the indoor unit, and includes:
detecting whether the water quantity in the water storage unit reaches a preset humidifying water quantity or not;
under the condition that the water quantity in the water storage unit reaches the preset humidifying water quantity, directly humidifying the room where the air conditioner is located by using condensed water generated on an indoor unit heat exchanger;
under the condition that the water amount in the water storage unit does not reach the preset humidifying water amount, continuously executing the water storage step; after the water storage step is carried out for the set times, if the water quantity of the water storage unit still does not reach the preset humidification water quantity, introducing an external water source through a water adding port, and humidifying a room where an air conditioner is located by using condensed water generated on an indoor unit heat exchanger in combination with the external water source;
wherein, be provided with the filler on the retaining unit, the retaining unit is connected with external water source through the filler.
15. An air conditioner characterized by comprising the control device of the air conditioner according to any one of claims 8 to 14, or,
comprising a processor, a memory and a program stored on the memory and operable on the processor, the processor implementing the steps in the control method of the air conditioner as claimed in any one of claims 1 to 7 when executing the program.
CN201911087284.1A 2019-11-08 2019-11-08 Air conditioner control method and device and air conditioner Pending CN110887188A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111442463A (en) * 2020-04-07 2020-07-24 宁波奥克斯电气股份有限公司 Air conditioner self-cleaning control method and device, air conditioner and storage medium
CN112361556A (en) * 2020-11-09 2021-02-12 珠海格力电器股份有限公司 Air conditioner control method and device, air conditioner and storage medium
CN113280499A (en) * 2021-06-30 2021-08-20 深圳市英威腾网能技术有限公司 Condensed water treatment device and control method thereof
CN113654108A (en) * 2021-08-10 2021-11-16 珠海格力电器股份有限公司 Humidification control method, device and unit
CN114893842A (en) * 2022-06-22 2022-08-12 珠海格力电器股份有限公司 Humidifying device, humidifying air conditioner and control method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202792292U (en) * 2012-08-31 2013-03-13 广东美的电器股份有限公司 Air conditioning humidification water compensating device and air conditioner
CN105465979A (en) * 2016-02-16 2016-04-06 珠海格力电器股份有限公司 Control method and device for automatic cleaning of outdoor unit of air conditioner and air conditioning system
CN106288217A (en) * 2016-08-23 2017-01-04 广东美的制冷设备有限公司 The heat exchanger cleaning control method of air-conditioner and device
CN107166670A (en) * 2017-06-14 2017-09-15 青岛海尔空调器有限总公司 A kind of self-cleaning control method and device of air conditioner
AU2016409528A1 (en) * 2016-11-11 2018-05-31 Qingdao Haier Air Conditioner General Corp., Ltd. Self-cleaning method for air-conditioner heat exchanger
CN108253531A (en) * 2018-01-30 2018-07-06 广东美的制冷设备有限公司 Air-conditioning system and its humidification water compensating control method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202792292U (en) * 2012-08-31 2013-03-13 广东美的电器股份有限公司 Air conditioning humidification water compensating device and air conditioner
CN105465979A (en) * 2016-02-16 2016-04-06 珠海格力电器股份有限公司 Control method and device for automatic cleaning of outdoor unit of air conditioner and air conditioning system
CN106288217A (en) * 2016-08-23 2017-01-04 广东美的制冷设备有限公司 The heat exchanger cleaning control method of air-conditioner and device
AU2016409528A1 (en) * 2016-11-11 2018-05-31 Qingdao Haier Air Conditioner General Corp., Ltd. Self-cleaning method for air-conditioner heat exchanger
CN107166670A (en) * 2017-06-14 2017-09-15 青岛海尔空调器有限总公司 A kind of self-cleaning control method and device of air conditioner
CN108253531A (en) * 2018-01-30 2018-07-06 广东美的制冷设备有限公司 Air-conditioning system and its humidification water compensating control method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111442463A (en) * 2020-04-07 2020-07-24 宁波奥克斯电气股份有限公司 Air conditioner self-cleaning control method and device, air conditioner and storage medium
CN112361556A (en) * 2020-11-09 2021-02-12 珠海格力电器股份有限公司 Air conditioner control method and device, air conditioner and storage medium
CN112361556B (en) * 2020-11-09 2022-01-18 珠海格力电器股份有限公司 Air conditioner control method and device, air conditioner and storage medium
CN113280499A (en) * 2021-06-30 2021-08-20 深圳市英威腾网能技术有限公司 Condensed water treatment device and control method thereof
CN113280499B (en) * 2021-06-30 2022-10-14 深圳市英威腾网能技术有限公司 Condensed water treatment device and control method thereof
CN113654108A (en) * 2021-08-10 2021-11-16 珠海格力电器股份有限公司 Humidification control method, device and unit
CN114893842A (en) * 2022-06-22 2022-08-12 珠海格力电器股份有限公司 Humidifying device, humidifying air conditioner and control method thereof

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Application publication date: 20200317