CN111089340A - Air conditioner and control method thereof - Google Patents

Air conditioner and control method thereof Download PDF

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Publication number
CN111089340A
CN111089340A CN202010021976.2A CN202010021976A CN111089340A CN 111089340 A CN111089340 A CN 111089340A CN 202010021976 A CN202010021976 A CN 202010021976A CN 111089340 A CN111089340 A CN 111089340A
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China
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delta
less
air
water
equal
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CN202010021976.2A
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Chinese (zh)
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CN111089340B (en
Inventor
翟振坤
吴俊鸿
廖敏
连彩云
梁博
田雅颂
梁之琦
周金声
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN202010021976.2A priority Critical patent/CN111089340B/en
Publication of CN111089340A publication Critical patent/CN111089340A/en
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Publication of CN111089340B publication Critical patent/CN111089340B/en
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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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0087—Indoor units, e.g. fan coil units with humidification means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F11/0008—Control or safety arrangements for air-humidification
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Thermal Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application provides an air conditioner and a control method thereof. The air conditioner comprises an air outlet duct (1), a water supply device and a humidifying device, wherein the water supply device is arranged outside the air outlet duct (1), the humidifying device is connected with the water supply device and introduces humidifying water in the water supply device, and a humidifying end of the humidifying device extends to an air outlet path of the air outlet duct (1) to humidify air blown out through the air outlet duct (1). According to the air conditioner, when the air conditioner refrigerates, the problem that the indoor environment humidity is influenced by the evaporator and is reduced more is effectively solved, and the user use experience is improved.

Description

Air conditioner and control method thereof
Technical Field
The application relates to the technical field of air conditioning, in particular to an air conditioner and a control method thereof.
Background
Most current variable frequency air conditioners have the refrigeration mode in the season of refrigerating, the air supply mode, dehumidification mode etc. the user is opening the refrigeration mode after, after the temperature in the room reaches the temperature range that the user set for, air condition compressor still can maintain certain frequency operation, indoor heat exchanger is the evaporimeter this moment, because the in-process of indoor air flow through the evaporimeter, indoor moisture can condense on the evaporimeter surface, when the indoor air circulation flows through the evaporimeter, humidity in the room can descend along with the temperature decline, lead to indoor environment humidity can't satisfy user's demand.
Disclosure of Invention
Therefore, an object of the present invention is to provide an air conditioner and a control method thereof, which can effectively solve the problem that the humidity of the indoor environment is influenced by the evaporator and is reduced more when the air conditioner performs cooling, and improve the user experience.
In order to solve the problem, the application provides an air conditioner, including air-out wind channel, water supply installation and humidification device, water supply installation sets up in the air-out wind channel outside, and humidification device is connected with water supply installation to introduce the humidification water in the water supply installation, humidification device's humidification end extends to on the air-out route in air-out wind channel, carries out the humidification to the wind that blows off through air-out wind channel.
Preferably, the air conditioner further comprises an indoor heat exchanger, and the water supply device and the humidifying device are arranged in a space between the indoor heat exchanger and the air outlet duct.
Preferably, the water supply device comprises a water pan, the water pan is arranged at the bottom of the indoor heat exchanger and used for receiving condensed water flowing down from the indoor heat exchanger, and the humidifying device is used for introducing the condensed water in the water pan into the air outlet duct.
Preferably, the water supply device further comprises a water storage tank, the water storage tank is connected to the bottom of the water receiving tray, and the humidifying device is connected to a water outlet of the water storage tank.
Preferably, a water level sensor is arranged in the water pan; and/or a water filling port is arranged on the water storage tank and is used for connecting an external water source.
Preferably, the humidifying device comprises an atomizing device, the atomizing device is communicated with the water supply device, and a mist outlet of the atomizing device penetrates through the air duct wall of the air outlet duct and extends into the air outlet duct.
Preferably, the fog outlet is arranged at the air inlet end of the air outlet duct.
Preferably, the humidifying device comprises a water absorption unit, one end of the water absorption unit is connected with the water supply device, and the other end of the water absorption unit extends to the air outlet path.
Preferably, the water absorption unit is a water absorption plate, and the water absorption plate is arranged at the air inlet end of the air duct wall of the air outlet duct, extends along the end part of the air duct wall, and forms a part of the air outlet duct together with the air duct wall.
Preferably, the air conditioner further comprises a remote controller including a cold air mode button for controlling the air conditioner to enter a cold air mode.
Preferably, the air conditioner further comprises a compressor and a controller for controlling an operation mode of the air conditioner and performing the following steps when the air conditioner enters a cold wind mode:
controlling the compressor to be not operated or to be operated at a low frequency;
controlling the indoor fan to operate;
and controlling the water supply device and the humidifying device to operate so that the humidifying device humidifies the air on the air outlet path.
According to another aspect of the present application, there is provided a control method of the air conditioner described above, including:
judging whether the air conditioner meets the preset condition of entering a cold air mode or not;
when the air conditioner meets the preset condition of entering a cold air mode, controlling the air conditioner to enter the cold air mode;
the cold wind mode includes:
controlling the indoor fan to operate;
and controlling the water supply device and the humidifying device to operate so that the humidifying device humidifies the air on the air outlet path.
Preferably, the cold air mode further comprises:
the compressor is controlled to be not operated or to be operated at a low frequency.
Preferably, the step of controlling the operation of the indoor fan includes:
acquiring indoor relative humidity RH, indoor environment temperature TN and indoor target temperature set value TS;
determining the target rotating speed RPM of the indoor fan according to RH, TN and TS;
and adjusting the rotating speed of the indoor fan to a target rotating speed.
Preferably, the step of determining the target RPM of the indoor fan according to RH, TN and TS includes:
when RH is less than or equal to RH1 and Delta T is less than or equal to Delta T01, setting the target rotating speed RPM to be RPM 01;
when RH1 is more than RH and less than or equal to RH2 and delta T and less than or equal to delta T01, setting the target rotating speed RPM to be RPM01+ delta R01;
when RH2 < RH and Δ T ≦ Δ T01, setting the target rotation speed RPM to RPM01+ Δ R02; and/or the presence of a gas in the gas,
when RH ≦ RH1 and Δ T01 < Δ T ≦ Δ T02, setting the target rotation speed RPM to RPM 02;
when RH1 < RH ≦ RH2 and Δ T01 < Δ T ≦ Δ T02, setting the target rotation speed RPM to RPM02+ Δ R01;
when RH2 < RH and Δ T01 < Δ T ≦ Δ T02, setting the target rotation speed RPM to RPM02+ Δ R02; and/or the presence of a gas in the gas,
when RH is less than or equal to RH1 and delta T02 is less than delta T, the target rotating speed RPM is set to be RPM 03;
when RH1 is more than and equal to RH2 and delta T02 is more than and equal to delta T, setting the target rotating speed RPM to be RPM03+ delta R01;
setting the target rotation speed RPM to RPM03+ Δ R02 when RH2 < RH and Δ T02 < Δ T;
wherein, the value ranges of the delta T are TN-TS, delta T01 and delta T02 [ -2, 3 ]; the value ranges of the delta R01 and the delta R02 are [0, 200 ].
Preferably, the step of controlling the operation of the indoor fan includes:
acquiring an outer ring temperature TW, an inner ring temperature TN and an indoor target temperature set value TS;
determining the target rotating speed RPM of the indoor fan according to the TW, the TN and the TS;
and adjusting the rotating speed of the indoor fan to a target rotating speed.
Preferably, the step of determining the target rotation speed RPM of the indoor fan according to TW, TN, and TS includes:
setting the target rotating speed RPM to be RPM001 when the TW is less than or equal to TW1 and the Delta T is less than or equal to Delta T001;
setting the target rotation speed RPM to be RPM001+ Δ R001 when TW1 < TW ≦ TW2 and Δ T ≦ Δ T001;
setting the target rotating speed RPM as RPM001+ Δ R002 when TW2 is less than TW and Δ T is less than or equal to Δ T001; and/or the presence of a gas in the gas,
setting the target rotating speed RPM to be RPM002 when the TW is less than or equal to TW1 and the delta T001 is less than or equal to the delta T002;
setting the target rotating speed RPM as RPM002+ Δ R001 when TW1 is more than TW and less than TW2 and Δ T001 is more than Δ T and less than Δ T002;
setting the target rotating speed RPM as RPM002+ Δ R002 when TW2 is less than TW and Δ T001 is less than or equal to Δ T002; and/or the presence of a gas in the gas,
setting the target rotating speed RPM as RPM003 when TW is less than or equal to TW1 and Delta T002 is less than Delta T;
setting the target rotating speed RPM as RPM003+ Δ R001 when TW1 is less than or equal to TW2 and Δ T002 is less than Δ T;
setting the target rotation speed RPM to RPM003+ Δ R002 when TW2 < TW and Δ T002 < Δ T;
wherein, the value ranges of Delta T001 and Delta T002 [ -2, 3 ]; the value ranges of delta R001 and delta R002 are [0, 200 ].
Preferably, the step of controlling the compressor to be non-operating or low frequency operating includes:
acquiring an outer ring temperature TW, an inner ring temperature TN and an indoor target temperature set value TS;
judging whether TW is less than or equal to T1, TN is less than or equal to T2 and delta T is less than or equal to delta T pressure;
when the above conditions are simultaneously met, the compressor is controlled not to run;
when at least one of the conditions is not met, the operation control of the compressor is started, and the frequency of the compressor is controlled according to delta T;
wherein, T1 is the upper limit value of the outer ring of the compressor operation, T2 is the upper limit value of the inner ring of the compressor operation, Delta T is TN-TS, and Delta T pressure is the temperature difference of the compressor operation.
Preferably, the preset conditions for entering the cold air mode are as follows:
TW is less than or equal to T3, TN is less than or equal to T4, a is less than or equal to delta T and less than or equal to b, and the time lasts for T1;
ΔT＝TN-TS；
wherein TW is an outer ring temperature, TN is an inner ring temperature, T3 is an outer ring temperature upper limit value of a cold air mode, T4 is an inner ring temperature upper limit value of the cold air mode, TS is an indoor target temperature set value, T1 is a set entry time, a belongs to-2 ℃, 0 ℃, b belongs to [0 ℃, 3 ℃), and,
h is more than H1, H is the current water level height in the water supply device, and H1 is the lower limit value of the water level height in the cold air mode;
or the like, or, alternatively,
and receiving a control command for entering a cold air mode.
Preferably, the control method further includes:
detecting whether a cold air mode exit condition is met;
and when the condition that the cold air mode quit is met is detected, controlling the air conditioner to quit the cold air mode.
Preferably, the cold air mode exit conditions are:
TW > T3, TN > T4, RH ≧ RH2, and c ≦ Δ T for T2 time, where TW is the outer loop temperature, TN is the inner loop temperature, T3 is the cold air mode outer loop temperature upper limit value, T4 is the cold air mode inner loop temperature upper limit value, TS is the indoor target temperature setting value, T2 is the set exit time, c ∈ (3 ℃, + ∞), or,
receiving a control command for exiting the cold air mode; or the like, or, alternatively,
h is detected to be less than or equal to H1, H is the current water level height in the water supply device, and H1 is the lower limit value of the water level height in the cold air mode.
The application provides an air conditioner, including air-out wind channel, water supply installation and humidification device, water supply installation sets up in the air-out wind channel outside, and humidification device is connected with water supply installation to introduce the humidification water in the water supply installation, humidification device's humidification end extends to on the air-out route in air-out wind channel, carries out the humidification to the wind that blows off through air-out wind channel. This air conditioner utilizes humidification device to introduce the air-out route of air conditioner with the humidification water in the water supply installation for the wind energy that gets into in the air-out wind channel can be by the humidification, then can carry out the humidification to indoor when blowing out the air conditioner, thereby can provide certain humidity when realizing the cooling under the refrigeration mode, effectively solve indoor environment humidity and receive the more problem that the evaporimeter influences the decline, improve user's use and experience.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner according to a first embodiment of the present application;
fig. 2 is a schematic structural view of an air conditioner according to a second embodiment of the present application;
FIG. 3 is a flowchart illustrating a method for controlling an air conditioner according to an embodiment of the present disclosure;
fig. 4 is a flowchart illustrating a control of a cooling air mode of an air conditioner according to an embodiment of the present disclosure.
The reference numerals are represented as:
1. an air outlet duct; 2. an indoor heat exchanger; 3. a water pan; 4. a water storage tank; 5. a water filling port; 6. an atomizing device; 7. a mist outlet; 8. a water absorbing unit; 9. an indoor fan.
Detailed Description
Referring to fig. 1 to 4 in combination, according to an embodiment of the present application, the air conditioner includes an air outlet duct 1, a water supply device, and a humidifying device, the water supply device is disposed outside the air outlet duct 1, the humidifying device is connected to the water supply device and introduces humidifying water in the water supply device, and a humidifying end of the humidifying device extends to an air outlet path of the air outlet duct 1 to humidify air blown out through the air outlet duct 1.
This air conditioner utilizes humidification device to introduce the air-out route of air conditioner with the humidification water in the water supply installation for wind energy that gets into in the air-out wind channel 1 can be by the humidification, then can carry out the humidification to indoor when blowing off the air conditioner, thereby can provide certain humidity when realizing the cooling under the refrigeration mode, effectively solve indoor environment humidity and receive the more problem that the evaporimeter influences the decline, improve user's use and experience.
The air conditioner further comprises an indoor heat exchanger 2, the water supply device and the humidifying device are arranged in a space between the indoor heat exchanger 2 and the air outlet duct 1, so that the inner space of the air conditioner can be more reasonably utilized, the inner space of the air conditioner is more fully applied, the problem that the whole volume of the air conditioner is increased due to the increase of the water supply device and the humidifying device is solved, and the miniaturization of the air conditioner can be realized under the condition that the humidification and refrigeration of the air conditioner are guaranteed.
The water supply device comprises a water receiving disc 3, the water receiving disc 3 is arranged at the bottom of the indoor heat exchanger 2 and used for receiving condensed water flowing down from the indoor heat exchanger 2, and the humidifying device is used for introducing the condensed water in the water receiving disc 3 into the air outlet duct 1. In this embodiment, directly utilize the produced comdenstion water of air conditioner work to carry out the humidification to the room air, can need not outside water source, control is simple and convenient more, can effectively realize moisture moreover at indoor cyclic utilization, and the enforceability is strong, also makes the comdenstion water can obtain more abundant and effectual utilization, improves resource utilization, reduces the wasting of resources, reduces overall cost.
The water supply device also comprises a water storage tank 4, the water storage tank 4 is connected to the bottom of the water receiving tray 3, and the humidifying device is connected to a water outlet of the water storage tank 4. Because the general shape looks adaptation with indoor heat exchanger 2 of shape of water collector 3, thereby guarantee to all catch the produced comdenstion water of indoor heat exchanger 2 that is located one side at least, consequently general water collector 3's area is great, highly less, lead to the water level too high, in order to improve the effective utilization ratio of comdenstion water, through the mode that increases storage water tank 4, can store the comdenstion water that water collector 3 received in storage water tank 4, thereby reduce the area of spreading out of comdenstion water, increase the storage height of comdenstion water, be convenient for utilize the comdenstion water to carry out indoor humidification more effectively.
Be provided with level sensor in the water collector 3, can detect the water level in the water collector 3, avoid the water level in the water collector 3 too high and spill over, avoid the comdenstion water to cause the pollution to indoor environment.
The water storage tank 4 is provided with a water filling port 5, and the water filling port 5 is used for being connected with an external water source. Through increasing filler 5, can utilize outside water supply to storage water tank 4, when the condensate quantity is less can't satisfy indoor humidification demand, can realize indoor humidification through the mode of outside watered, satisfy user's user demand better.
Referring to fig. 1 in combination, according to the first embodiment of the present application, the humidifying device includes an atomizing device 6, the atomizing device 6 is communicated with the water supply device, and a mist outlet 7 of the atomizing device 6 penetrates through an air duct wall of the air outlet duct 1 and extends into the air outlet duct 1.
The fog outlet 7 is arranged at the air inlet end of the air outlet duct 1.
Adopt atomizing device 6 to atomize humidification water, then spray in air-out wind channel 1, can make the distribution of moisture in air-out wind channel 1 more even to can mix with the air better, make the humid air moisture distribution that air-out wind channel 1 blew off more even, it is more even to indoor humidification.
Referring to fig. 2 in combination, according to the second embodiment of the present application, the humidifying device includes a water absorption unit 8, one end of the water absorption unit 8 is connected to the water supply device, and the other end extends to the air outlet path. In this embodiment, the water absorption unit 8 can absorb and distribute the moisture in the water supply device on the surface of the water absorption unit 8, and when the air flows through the surface of the water absorption unit 8, the air can be humidified and then blown into the room to form moist cold air, so that the room can be humidified while cooling is achieved, and the air humidity in the room is improved.
Preferably, the water absorption unit 8 is a water absorption plate, and the water absorption plate is disposed at an air inlet end of the air duct wall of the air outlet duct 1, extends along an end portion of the air duct wall, and forms a part of the air outlet duct 1 together with the air duct wall. The water absorption plate can comprise a plate body and water absorption fluff wrapped outside the plate body, or other water absorption materials such as sponge and the like. The water absorption plate may be made of a water absorption material such as glass fiber, resin fiber, or the like as a whole.
The air conditioner also comprises a remote controller, and the remote controller comprises a cold air mode key for controlling the air conditioner to enter a cold air mode. The remote controller is additionally provided with a cold air mode key, so that the air conditioner can be actively controlled to enter a cold air mode when needed, and the control flexibility of the air conditioner is improved.
The air conditioner also comprises a compressor and a controller, wherein the controller is used for controlling the operation mode of the air conditioner and executing the following steps when the air conditioner enters a cold air mode: controlling the compressor to be not operated or to be operated at a low frequency; controlling the indoor fan 9 to operate; and controlling the water supply device and the humidifying device to operate so that the humidifying device humidifies the air on the air outlet path. The low frequency here is defined as the low frequency of the air conditioner itself, and the type of the air conditioner is different, and the definition of the low frequency may be different, but it is only necessary to go beyond the low frequency understood in the general sense. When the cold air mode is carried out, the compressor can be controlled not to run or the low-frequency running can be controlled, the energy consumption of the air conditioner can be reduced, the indoor refrigerating capacity continuously stored by the indoor heat exchanger 2 is utilized to refrigerate indoors, the temperature in the room reaches the temperature range set by a user at the moment, so that the indoor refrigerating requirement can be met only by providing less refrigerating capacity, the indoor refrigerating requirement can be effectively met for a long time by utilizing the energy stored in the indoor heat exchanger 2 before, the energy consumption of the compressor can be reduced, and the energy-saving effect of the air conditioner is effectively improved.
Referring to fig. 1 to 4 in combination, according to an embodiment of the present application, the control method of the air conditioner includes: judging whether the air conditioner meets the preset condition of entering a cold air mode or not; when the air conditioner meets the preset condition of entering a cold air mode, controlling the air conditioner to enter the cold air mode; the cold wind mode includes: controlling the indoor fan 9 to operate; and controlling the water supply device and the humidifying device to operate so that the humidifying device humidifies the air on the air outlet path.
Through foretell mode, can conveniently control the air conditioner and enter into cold wind mode to make the air conditioner also can carry out the humidification to the room air under the refrigeration state, satisfy indoor humidification demand under the refrigeration state, satisfy user's refrigeration demand and travelling comfort requirement better.
The cold wind mode still includes: the compressor is controlled to be not operated or to be operated at a low frequency. When the cold air mode is carried out, the compressor can be controlled not to run or the low-frequency running can be controlled, the energy consumption of the air conditioner can be reduced, the indoor refrigerating capacity continuously stored by the indoor heat exchanger 2 is utilized to refrigerate indoors, the temperature in the room reaches the temperature range set by a user at the moment, so that the indoor refrigerating requirement can be met only by providing less refrigerating capacity, the indoor refrigerating requirement can be effectively met for a long time by utilizing the energy stored in the indoor heat exchanger 2 before, the energy consumption of the compressor can be reduced, and the energy-saving effect of the air conditioner is effectively improved.
The step of controlling the operation of the indoor fan 9 includes: acquiring indoor relative humidity RH, indoor environment temperature TN and indoor target temperature set value TS; determining the target rotating speed RPM of the indoor fan 9 according to RH, TN and TS; the rotation speed of the indoor fan 9 is adjusted to the target rotation speed. When the indoor humidity sensor is arranged, the rotating speed of the indoor fan 9 can be directly adjusted according to the indoor relative humidity RH, the indoor ring temperature TN and the indoor target temperature set value TS, so that the indoor humidity RH and the indoor ring temperature TN can be adjusted to the target value at a proper wind speed, and the adjustment of the indoor environment temperature and the humidity can be realized under the condition of meeting the energy-saving effect of the air conditioner.
The step of determining the target rotation speed RPM of the indoor fan 9 according to RH, TN, and TS includes:
when RH is less than or equal to RH1 and Delta T is less than or equal to Delta T01, setting the target rotating speed RPM to be RPM 01;
when RH1 is more than RH and less than or equal to RH2 and delta T and less than or equal to delta T01, setting the target rotating speed RPM to be RPM01+ delta R01;
when RH2 < RH and Δ T ≦ Δ T01, setting the target rotation speed RPM to RPM01+ Δ R02; and/or the presence of a gas in the gas,
when RH ≦ RH1 and Δ T01 < Δ T ≦ Δ T02, setting the target rotation speed RPM to RPM 02;
when RH1 < RH ≦ RH2 and Δ T01 < Δ T ≦ Δ T02, setting the target rotation speed RPM to RPM02+ Δ R01;
when RH2 < RH and Δ T01 < Δ T ≦ Δ T02, setting the target rotation speed RPM to RPM02+ Δ R02; and/or the presence of a gas in the gas,
when RH is less than or equal to RH1 and delta T02 is less than delta T, the target rotating speed RPM is set to be RPM 03;
when RH1 is more than and equal to RH2 and delta T02 is more than and equal to delta T, setting the target rotating speed RPM to be RPM03+ delta R01;
setting the target rotation speed RPM to RPM03+ Δ R02 when RH2 < RH and Δ T02 < Δ T;
wherein RPM01 is more than RPM02 and less than RPM03, Delta T is TN-TS, Delta T01 and Delta T02 are set constants and have the value range of [ -2, 3 ]; both the Δ R01 and the Δ R02 are set constants and take a value range of [0, 200 ]. Through the control of the fan, the temperature in a room can be accurately controlled, and meanwhile, the energy-saving effect can be realized.
The interval division can be a multi-segment interval, is not limited to the three-segment interval, and can be adjusted according to actual conditions.
When the humidity sensor is not installed in the room, the step of controlling the operation of the indoor fan 9 includes: acquiring an outer ring temperature TW, an inner ring temperature TN and an indoor target temperature set value TS; determining the target rotating speed RPM of the indoor fan 9 according to the TW, the TN and the TS; the rotation speed of the indoor fan 9 is adjusted to the target rotation speed. In this embodiment, since no humidity sensor is provided, while the temperature is accurately controlled, the temperature variation is utilized to realize the rough control of the indoor humidity, and a certain indoor humidification effect can also be realized.
The step of determining the target rotation speed RPM of the indoor fan 9 according to TW, TN, and TS includes:
setting the target rotating speed RPM to be RPM001 when the TW is less than or equal to TW1 and the Delta T is less than or equal to Delta T001;
setting the target rotation speed RPM to be RPM001+ Δ R001 when TW1 < TW ≦ TW2 and Δ T ≦ Δ T001;
setting the target rotating speed RPM as RPM001+ Δ R002 when TW2 is less than TW and Δ T is less than or equal to Δ T001; and/or the presence of a gas in the gas,
setting the target rotating speed RPM to be RPM002 when the TW is less than or equal to TW1 and the delta T001 is less than or equal to the delta T002;
setting the target rotating speed RPM as RPM002+ Δ R001 when TW1 is more than TW and less than TW2 and Δ T001 is more than Δ T and less than Δ T002;
setting the target rotating speed RPM as RPM002+ Δ R002 when TW2 is less than TW and Δ T001 is less than or equal to Δ T002; and/or the presence of a gas in the gas,
setting the target rotating speed RPM as RPM003 when TW is less than or equal to TW1 and Delta T002 is less than Delta T;
setting the target rotating speed RPM as RPM003+ Δ R001 when TW1 is less than or equal to TW2 and Δ T002 is less than Δ T;
setting the target rotation speed RPM to RPM003+ Δ R002 when TW2 < TW and Δ T002 < Δ T;
wherein RPM001 is more than RPM002 and less than RPM003, Delta T is TN-TS, Delta T001 and Delta T002 are constants and have the value range of < -2, 3 >; both the delta R001 and the delta R002 are constants and have a value range of [0, 200 ].
The step of controlling the compressor to be non-operating or low frequency operation includes: acquiring an outer ring temperature TW, an inner ring temperature TN and an indoor target temperature set value TS; judging whether TW is less than or equal to T1, TN is less than or equal to T2 and delta T is less than or equal to delta T pressure; when the above conditions are simultaneously met, the compressor is controlled not to run; when at least one of the conditions is not met, the operation control of the compressor is started, and the frequency of the compressor is controlled according to delta T; wherein, T1 is the upper limit value of the outer ring of the compressor operation, T2 is the upper limit value of the inner ring of the compressor operation, Delta T is TN-TS, and Delta T pressure is the temperature difference of the compressor operation. The higher the temperature of the inner ring is, the larger the temperature difference value between the set value and the actual inner ring is, which indicates that the refrigerating capacity needed by the room is large, at the moment, the compressor is needed to operate, and the better refrigerating effect can not be achieved by only humidifying. If the temperature of the inner ring is not high and the temperature difference between the inner ring and the set value is not large, the compressor does not need to operate, and the indoor temperature can be cooled through humidification, so that the energy-saving effect is achieved.
The preset conditions for entering the cold air mode are as follows: TW is less than or equal to T3, TN is less than or equal to T4, a is less than or equal to delta T and less than or equal to b, and the time lasts for T1; Δ T ═ TN-TS; wherein TW is an outer ring temperature, TN is an inner ring temperature, T3 is an outer ring temperature upper limit value of a cold air mode, T4 is an inner ring temperature upper limit value of the cold air mode, TS is an indoor target temperature set value, T1 is a duration after achieving the conditions that TW is not more than T3, TN is not more than T4 and a is not more than delta T is not more than b, a belongs to-2 ℃, 0 ℃ and b belongs to [0 ℃, 3 ℃; h is more than H1, H is the current water level height in the water supply device, and H1 is the lower limit value of the water level height in the cold air mode;
or receiving a control command for entering the cold air mode.
The control method further comprises the following steps: detecting whether a cold air mode exit condition is met; and when the condition that the cold air mode quit is met is detected, controlling the air conditioner to quit the cold air mode.
The cold air mode exit conditions are as follows: TW > T3, TN > T4, RH ≧ RH2, and c ≦ Δ T for T2 time, where TW is the outer loop temperature, TN is the inner loop temperature, T3 is the outer loop temperature upper limit value of the cool air mode, T4 is the inner loop temperature upper limit value of the cool air mode, TS is the indoor target temperature setting value, T2 is the time that lasts after the condition of TW > T3, TN > T4, RH ≧ RH2, and c ≦ Δ T, c ∈ (3 ℃, + ∞),
receiving a control command for exiting the cold air mode; or the like, or, alternatively,
h is detected to be less than or equal to H1, H is the current water level height in the water supply device, and H1 is the lower limit value of the water level height in the cold air mode.
It can be seen from fig. 4 that, when the air conditioner is in the cold air mode, if the compressor is in the running state, the compressor, the inner and outer fans and the throttling device are all in closed-loop control at this time, so that the running state of the air conditioner can be adjusted in real time according to the change of the indoor temperature and humidity state, and the indoor temperature and humidity can be in the appropriate range. If the compressor is not in the running state, the compressor and the throttling device do not participate in the control of the air conditioner at the moment, the indoor temperature and humidity can be conveniently and effectively adjusted only by carrying out closed-loop control on the inner fan at the moment, the indoor temperature and humidity are guaranteed to be in a proper range, and the comfort requirement of a user is better met.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims (21)

1. The utility model provides an air conditioner, its characterized in that, includes air-out wind channel (1), water supply installation and humidification device, water supply installation sets up the air-out wind channel (1) outside, humidification device with water supply installation connects, and introduces humidification water in the water supply installation, humidification device's humidification end extends to on the air-out route in air-out wind channel (1), to the warp the wind that air-out wind channel (1) blew out humidifies.
2. The air conditioner according to claim 1, further comprising an indoor heat exchanger (2), wherein the water supply device and the humidifying device are disposed in a space between the indoor heat exchanger (2) and the outlet air duct (1).
3. The air conditioner as claimed in claim 2, wherein the water supply device comprises a water pan (3), the water pan (3) is arranged at the bottom of the indoor heat exchanger (2) and is used for receiving the condensed water flowing down from the indoor heat exchanger (2), and the humidifying device is used for introducing the condensed water in the water pan (3) into the air outlet duct (1).
4. The air conditioner according to claim 3, characterized in that the water supply device further comprises a water storage tank (4), the water storage tank (4) is connected to the bottom of the water pan (3), and the humidifying device is connected to the water outlet of the water storage tank (4).
5. The air conditioner according to claim 4, characterized in that a water level sensor is arranged in the water pan (3); and/or a water filling port (5) is arranged on the water storage tank (4), and the water filling port (5) is used for being connected with an external water source.
6. The air conditioner according to claim 1, wherein the humidifying device comprises an atomizing device (6), the atomizing device (6) is communicated with the water supply device, and a mist outlet (7) of the atomizing device (6) penetrates through an air duct wall of the air outlet duct (1) and extends into the air outlet duct (1).
7. The air conditioner according to claim 6, wherein the mist outlet (7) is arranged at the air inlet end of the air outlet duct (1).
8. The air conditioner according to claim 1, wherein the humidifying device comprises a water suction unit (8), one end of the water suction unit (8) is connected with the water supply device, and the other end extends to the air outlet path.
9. The air conditioner according to claim 8, wherein the water absorbing unit (8) is a water absorbing plate, and the water absorbing plate is disposed at the air inlet end of the air outlet duct (1) and extends along the end of the air outlet duct wall to form a part of the air outlet duct (1) together with the air outlet duct wall.
10. The air conditioner of claim 1, further comprising a remote controller, wherein the remote controller comprises a cool air mode button for controlling the air conditioner to enter a cool air mode.
11. The air conditioner of claim 1, further comprising a compressor and a controller for controlling an operation mode of the air conditioner and performing the following steps when the air conditioner enters a cold wind mode:
controlling the compressor to be not operated or to be operated at a low frequency;
controlling the indoor fan (9) to operate;
and controlling the water supply device and the humidifying device to operate so that the humidifying device humidifies the air on the air outlet path.
12. A control method of an air conditioner according to any one of claims 1 to 11, comprising:
judging whether the air conditioner meets the preset condition of entering a cold air mode or not;
when the air conditioner meets the preset condition of entering a cold air mode, controlling the air conditioner to enter the cold air mode;
the cold wind mode includes:
controlling the indoor fan (9) to operate;
and controlling the water supply device and the humidifying device to operate so that the humidifying device humidifies the air on the air outlet path.
13. The control method according to claim 12, wherein the cold air mode further comprises:
the compressor is controlled to be not operated or to be operated at a low frequency.
14. The control method according to claim 12, wherein the step of controlling the operation of the indoor fan (9) includes:
acquiring indoor relative humidity RH, indoor environment temperature TN and indoor target temperature set value TS;
determining the target rotating speed RPM of the indoor fan (9) according to RH, TN and TS;
and adjusting the rotating speed of the indoor fan (9) to a target rotating speed.
15. The control method according to claim 14, wherein the step of determining the target rotation speed RPM of the indoor fan (9) based on RH, TN and TS comprises:
when RH is less than or equal to RH1 and Delta T is less than or equal to Delta T01, setting the target rotating speed RPM to be RPM 01;
when RH1 is more than RH and less than or equal to RH2 and delta T and less than or equal to delta T01, setting the target rotating speed RPM to be RPM01+ delta R01;
when RH2 < RH and Δ T ≦ Δ T01, setting the target rotation speed RPM to RPM01+ Δ R02; and/or the presence of a gas in the gas,
when RH ≦ RH1 and Δ T01 < Δ T ≦ Δ T02, setting the target rotation speed RPM to RPM 02;
when RH1 < RH ≦ RH2 and Δ T01 < Δ T ≦ Δ T02, setting the target rotation speed RPM to RPM02+ Δ R01;
when RH2 < RH and Δ T01 < Δ T ≦ Δ T02, setting the target rotation speed RPM to RPM02+ Δ R02; and/or the presence of a gas in the gas,
when RH is less than or equal to RH1 and delta T02 is less than delta T, the target rotating speed RPM is set to be RPM 03;
when RH1 is more than and equal to RH2 and delta T02 is more than and equal to delta T, setting the target rotating speed RPM to be RPM03+ delta R01;
setting the target rotation speed RPM to RPM03+ Δ R02 when RH2 < RH and Δ T02 < Δ T;
wherein, the value ranges of the delta T are TN-TS, delta T01 and delta T02 [ -2, 3 ]; the value ranges of the delta R01 and the delta R02 are [0, 200 ].
16. The control method according to claim 12, wherein the step of controlling the operation of the indoor fan (9) includes:
acquiring an outer ring temperature TW, an inner ring temperature TN and an indoor target temperature set value TS;
determining a target rotating speed RPM of the indoor fan (9) according to the TW, the TN and the TS;
and adjusting the rotating speed of the indoor fan (9) to a target rotating speed.
17. The control method according to claim 16, wherein the step of determining the target rotation speed RPM of the indoor fan (9) from TW, TN, and TS includes:
setting the target rotating speed RPM to be RPM001 when the TW is less than or equal to TW1 and the Delta T is less than or equal to Delta T001;
setting the target rotation speed RPM to be RPM001+ Δ R001 when TW1 < TW ≦ TW2 and Δ T ≦ Δ T001;
setting the target rotating speed RPM as RPM001+ Δ R002 when TW2 is less than TW and Δ T is less than or equal to Δ T001; and/or the presence of a gas in the gas,
setting the target rotating speed RPM to be RPM002 when the TW is less than or equal to TW1 and the delta T001 is less than or equal to the delta T002;
setting the target rotating speed RPM as RPM002+ Δ R001 when TW1 is more than TW and less than TW2 and Δ T001 is more than Δ T and less than Δ T002;
setting the target rotating speed RPM as RPM002+ Δ R002 when TW2 is less than TW and Δ T001 is less than or equal to Δ T002; and/or the presence of a gas in the gas,
setting the target rotating speed RPM as RPM003 when TW is less than or equal to TW1 and Delta T002 is less than Delta T;
setting the target rotating speed RPM as RPM003+ Δ R001 when TW1 is less than or equal to TW2 and Δ T002 is less than Δ T;
setting the target rotation speed RPM to RPM003+ Δ R002 when TW2 < TW and Δ T002 < Δ T;
wherein, the value ranges of Delta T001 and Delta T002 [ -2, 3 ]; the value ranges of delta R001 and delta R002 are [0, 200 ].
18. The control method as set forth in claim 13, wherein the step of controlling the compressor to be non-operating or low frequency operating includes:
acquiring an outer ring temperature TW, an inner ring temperature TN and an indoor target temperature set value TS;
judging whether TW is less than or equal to T1, TN is less than or equal to T2 and delta T is less than or equal to delta T pressure;
when the above conditions are simultaneously met, the compressor is controlled not to run;
when at least one of the conditions is not met, the operation control of the compressor is started, and the frequency of the compressor is controlled according to delta T;
wherein, T1 is the upper limit value of the outer ring of the compressor operation, T2 is the upper limit value of the inner ring of the compressor operation, Delta T is TN-TS, and Delta T pressure is the temperature difference of the compressor operation.
19. The control method according to claim 12, wherein the preset conditions for entering the cold air mode are:
TW is less than or equal to T3, TN is less than or equal to T4, a is less than or equal to delta T and less than or equal to b, and the time lasts for T1;
ΔT＝TN-TS；
wherein TW is an outer ring temperature, TN is an inner ring temperature, T3 is an outer ring temperature upper limit value of a cold air mode, T4 is an inner ring temperature upper limit value of the cold air mode, TS is an indoor target temperature set value, T1 is a set entry time, a belongs to-2 ℃, 0 ℃, b belongs to [0 ℃, 3 ℃), and,
h is more than H1, H is the current water level height in the water supply device, and H1 is the lower limit value of the water level height in the cold air mode;
or the like, or, alternatively,
and receiving a control command for entering a cold air mode.
20. The control method according to claim 12, characterized by further comprising:
detecting whether a cold air mode exit condition is met;
and when the condition that the cold air mode quit is met is detected, controlling the air conditioner to quit the cold air mode.
21. The control method according to claim 20, wherein the cool air mode exit condition is:
TW > T3, TN > T4, RH ≧ RH2, and c ≦ Δ T for T2 time, where TW is the outer loop temperature, TN is the inner loop temperature, T3 is the cold air mode outer loop temperature upper limit value, T4 is the cold air mode inner loop temperature upper limit value, TS is the indoor target temperature setting value, T2 is the set exit time, c ∈ (3 ℃, + ∞), or,
receiving a control command for exiting the cold air mode; or the like, or, alternatively,
h is detected to be less than or equal to H1, H is the current water level height in the water supply device, and H1 is the lower limit value of the water level height in the cold air mode.
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