WO2017024635A1 - Unité intérieure de conditionnement d'air et procédé de commande de sortie d'air intérieure de conditionnement d'air - Google Patents

Unité intérieure de conditionnement d'air et procédé de commande de sortie d'air intérieure de conditionnement d'air Download PDF

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Publication number
WO2017024635A1
WO2017024635A1 PCT/CN2015/088531 CN2015088531W WO2017024635A1 WO 2017024635 A1 WO2017024635 A1 WO 2017024635A1 CN 2015088531 W CN2015088531 W CN 2015088531W WO 2017024635 A1 WO2017024635 A1 WO 2017024635A1
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WO
WIPO (PCT)
Prior art keywords
air
louver
air outlet
diffusing plate
preset
Prior art date
Application number
PCT/CN2015/088531
Other languages
English (en)
Chinese (zh)
Inventor
邹丁山
孙泽成
Original Assignee
广东美的制冷设备有限公司
美的集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东美的制冷设备有限公司, 美的集团股份有限公司 filed Critical 广东美的制冷设备有限公司
Publication of WO2017024635A1 publication Critical patent/WO2017024635A1/fr

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Classifications

    • 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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—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
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • 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
    • 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
    • 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

Definitions

  • the invention relates to the technical field of air conditioners, in particular to an air conditioner indoor unit and an air outlet indoor air outlet control method.
  • the temperature of the air outlet of the air conditioner is generally between 10 ° C and 15 ° C, and the temperature of the human body surface is generally between 30 ° C and 33 ° C.
  • Cold wind direct blowing people will cause the human sweat gland to close, affecting normal metabolism and secretion. Staying in the air-conditioned room for a long time to blow "cold wind” will produce an "air conditioning disease.”
  • the eddy current intensity (DR) is defined as the degree of coldness of the body caused by air flow.
  • the vortex airflow intensity is used to predict the percentage of people affected by the airflow.
  • the vortex airflow intensity (DR) can be calculated as follows:
  • DR (34-Ta)(V-0.05)0.62(0.37 ⁇ V ⁇ Tu+3.14)
  • DR the vortex flow intensity, that is, the percentage that is unsatisfactory because of the vortex flow
  • Ta Local air temperature, °C
  • V Local average air flow rate, m / s
  • Tu - local turbulence intensity which is defined as the ratio of the standard deviation of the local air flow rate to the local average air flow rate, %.
  • the DR value is within 20, and the ambient wind speed can be considered to be comfortable. That is, 20% of people are affected by the airflow and feel a cold feeling in the body. The ambient air state is recognized as comfortable by 80% of people.
  • Conventional air conditioners usually use a diffuser to reduce the air volume during cooling operation, thereby ensuring the comfort of the indoor environment.
  • the hot air on the outer side of the diffuser is likely to accumulate, resulting in condensed water. .
  • the main object of the present invention is to provide an air conditioner indoor unit and an air conditioning indoor air outlet control method, which aim to prevent the air conditioner from generating condensed water.
  • the present invention provides an air conditioning indoor unit, wherein the air conditioning indoor unit is provided with an air outlet, a first air diffusing plate, a second air diffusing plate, a controller, and a humidity detector; a plurality of ventilation holes are disposed on the plate and the second air diffusing plate, and the first air diffusing plate and the second air diffusing plate cooperate with each other to block or open the air outlet; the humidity detector is configured to detect ambient humidity;
  • the controller controls the first air distribution plate and the second air distribution plate to be at different rotation positions to form an occlusion of the air outlet. Changing the gap of the air outlet for air outlet;
  • the controller determines whether to control the rotation of the first louver and the second louver according to the ambient humidity detected by the humidity detector, so that the gap of the air outlet for the wind is increased.
  • the controller is further configured to control the first louver and the second louver to rotate to a first preset position to open the air outlet; when the first preset condition is met, the control Controlling the first louver to rotate to a second preset position to partially block the air outlet; when the second preset condition is met, the controller controls the first louver and the second louver to rotate to The third predetermined position, the first louver and the second louver cooperate to block the air outlet.
  • the controller is further configured to
  • the first air diffusing plate When the first air diffusing plate is located at the second preset position and the second air diffusing plate is located at the first preset position, determining whether the current ambient humidity is greater than a second preset value; if yes, Controlling the first louver to rotate to a first preset position; the first preset value is less than a second preset value.
  • the first louver and the second louver are rotated to a third preset position, the first louver and the second louver are dislocated, and the first There is a gap between the diffuser panel and the second diffuser panel.
  • the controller determines whether the current ambient humidity is greater than a third preset value; if yes, when the air conditioner When the air deflector of the indoor unit blocks the air outlet, the air deflector is controlled to open the air outlet.
  • the present invention also provides an air conditioning indoor air outlet control method, which is applied to the air conditioning indoor unit, and the air conditioning indoor air outlet control method includes:
  • the first air diffusing plate and the second air diffusing plate are controlled to be at different rotating positions to form an occlusion of the air outlet, and the air outlet is changed. With the gap of the wind;
  • controlling the first louver and the second louver to reduce the airflow of the air outlet comprises:
  • controlling the first louver and the second louver to increase the air outlet of the air outlet comprises:
  • controlling the first louver and the second louver to rotate to a third preset position is specifically:
  • the air conditioning indoor air outlet control method further includes:
  • the air conditioner indoor unit opens the air outlet at the first air diffuser and the second air diffuser, determine whether the current ambient humidity is greater than a third preset value
  • the air deflector of the air conditioner indoor unit blocks the air outlet
  • the air deflector is controlled to open the air outlet.
  • the air outlet amount of the air outlet after reducing the air outlet amount of the air outlet, it is determined in real time according to the environmental humidity whether it is necessary to increase the air outlet amount of the air outlet, and the state of the first air diffusing plate and the second air diffusing plate are changed to improve the air outlet.
  • the air volume effectively prevents hot air from collecting on the outer side of the diffuser, thereby effectively preventing condensation from occurring.
  • FIG. 1 is a schematic structural view of a first state in an embodiment of an air conditioning indoor unit according to the present invention
  • FIG. 2 is a schematic structural view of a second state in an embodiment of an air conditioning indoor unit according to the present invention
  • FIG. 3 is a schematic structural view of a third state in an embodiment of an air conditioning indoor unit according to the present invention.
  • FIG. 4 is a schematic structural view showing a state of another embodiment of the air conditioning indoor unit of the present invention.
  • Figure 5 is a schematic view showing another state of the air conditioner indoor unit according to another embodiment of the present invention.
  • FIG. 6 is a schematic flow chart of an air conditioning indoor air outlet control method according to an embodiment of the present invention.
  • FIG. 7 is a schematic flow chart of another embodiment of an air outlet indoor air outlet control method according to the present invention.
  • FIG. 8 is a schematic flow chart of still another embodiment of an air outlet indoor air outlet control method according to the present invention.
  • the present invention provides an air conditioner indoor unit.
  • the air conditioner indoor unit is provided with an air outlet 10, a first air diffusing plate 20, a second air diffusing plate 30, a controller, and a humidity detector;
  • the first air diffusing plate 20 and the second air diffusing plate 30 are respectively provided with a plurality of ventilation holes, and the first air diffusing plate 20 and the second air diffusing plate 30 cooperate with each other to block or open the air outlet 10
  • the humidity detector is for detecting ambient humidity;
  • the controller controls the first air diffusing plate 20 and the second air diffusing plate 30 to be at different rotational positions to form the air outlet 10 Blocking, changing the gap of the air outlet 10 for air outlet;
  • the controller determines whether to control the rotation of the first air diffusing plate 20 and the second air diffusing plate 30 according to the ambient humidity detected by the humidity detector, so that the air outlet is used for increasing the gap of the air outlet.
  • the structures of the first air diffusing plate 20 and the second air diffusing plate 30 may be disposed according to actual needs.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are elongated. Plate structure.
  • the air conditioner indoor unit further includes a chassis 40 and a face frame 50, wherein an indoor fan, an air inlet duct, and an air outlet duct are disposed in the chassis 40, wherein the face frame 50 is opened at an exit of the air outlet duct The above air outlet 10.
  • the first louver 20 is rotatably mounted on the chassis 40
  • the second louver 30 is rotatably mounted on the face frame 50, wherein the first louver 20 is located above the second louver 30.
  • the rotation of the first louver 20 and the second louver 30 is controlled by a motor to open and block the vent 10.
  • the vent hole includes a first vent hole disposed on the first louver 20 and a second vent hole disposed on the second louver 30.
  • the venting hole is configured to allow the wind to enter the room through the vent hole when the first air diffusing plate 20 and/or the second air diffusing plate 30 block the air outlet 10, so as to reduce the air volume and the wind speed.
  • the shape of the vent hole can be set according to actual needs, for example, the first ventilating plate 20 is provided with the first ventilation when the first louver 20 and the second louver 30 block the vent.
  • the direction in which the hole extends from the inner side surface to the outer side surface of the first air diffusing plate 20 is inclined upward by a predetermined angle in the thickness direction of the first air diffusing plate 20; the second air venting hole provided in the second air diffusing plate 30 is the first The direction in which the inner side surface to the outer side surface of the diffuser panel 20 extends coincides with the thickness direction of the second diffuser panel 30.
  • the opening of the air outlet by the first air diffusing plate 20 and the second air diffusing plate 30 means that the normal air outlet of the air outlet 10 is not blocked; the first air diffusing plate 20 and The second louver 30 blocking the air outlet means that the first louver 20 and the second louver 30 block the wind blown from the air outlet duct, so that the first louver 20 and the second louver 30 are blown.
  • the wind on the inner side enters the room through the vent hole, and is performed indoors through a gap between the first louver 20 and the second louver 30 (the gap of the air outlet 10 for air).
  • the preset operation mode is the windless mode as an example, and the detailed description is made.
  • the windless mode means that the air conditioner operates in a cooling operation state, and the direction of the air outlet of the air outlet is controlled to change, so that the indoor wind speed is lowered.
  • the indoor wind speed is the measured wind speed at a distance of 3 m from the horizontal distance of the air conditioner.
  • the wind speed of the air outlet is lowered by blocking the air outlet, and the indoor wind speed is lowered.
  • the indoor wind speed can be lower than 0.3 m/s, that is, the comfort state is achieved.
  • the controller controls the first louver 20 and the second louver 30 to be at different rotational positions according to the indoor temperature detected by the temperature detector to form an occlusion of the air outlet 10.
  • the effect of the occlusion of the different rotational positions is that the smaller the indoor temperature is, the control of the first louver and the second louver occlude the air outlet, so that the gap of the air outlet for the air outlet is smaller. Thereby the smaller the amount of air flow.
  • the controller controls the first air diffusing plate 20 and the second air diffusing plate 30 to cooperate to reduce the air volume of the air outlet 10 to different degrees.
  • Make settings For example, it is possible to control the amount of air blown from the air outlet 10 in accordance with the temperature and the ambient humidity. Specifically, when the indoor temperature and the ambient humidity are lower, the amount of wind that fits the first first air diffusing plate 20 and the second air diffusing plate 30 in the room is larger, and the amount of air discharged from the air outlet 10 is smaller. The smaller the amount of air blown from the air outlet 10, the smaller the air flow speed of the environment, thereby improving the comfort of the environment.
  • the ambient humidity is increased after the air volume is reduced, it is easy to generate condensed water on the first and second diffuser plates. At this time, it is necessary to judge whether it is necessary to return to the state before the air volume adjustment according to the environmental humidity, so as to improve The amount of air discharged from the air outlet 10 avoids the generation of condensed water on the first and second diffuser plates.
  • the air outlet amount of the air outlet 10 effectively prevents hot air from collecting on the outer side surface of the air diffusing plate, thereby effectively preventing the occurrence of condensed water.
  • the air conditioner indoor unit may include an air deflector or may not include a wind deflector, and the air deflector is used to block or open the air outlet 10, and the operating state of the air deflector may be Actual settings are required, and are not further defined herein.
  • controller controls the first air diffuser 20 and the second air diffuser 30 to reduce the airflow of the air outlet 10, including:
  • the controller controls the first air diffuser 20 and the second air diffuser 30 to rotate to a first preset position to open the air outlet 10; when the first preset condition is met, the controller controls the first The air diffuser 20 is rotated to a second preset position to partially block the air outlet 10; when the second preset condition is met, the controller controls the first air diffuser 20 and the second air diffuser 30 to rotate to In the third preset position, the first louver 20 and the second louver 30 cooperate with each other to block the air outlet 10.
  • the parameters determined by the first preset condition and the second preset condition may be set according to actual needs, for example, when the indoor air temperature and the ambient humidity are used to reduce the air volume of the air outlet 10: after entering the windless mode Firstly, the first air diffusing plate 20 and the second air diffusing plate 30 are controlled to rotate to a first preset position (the state thereof is as shown in FIG. 1) to open the air outlet 10; when the indoor temperature is less than or equal to the first When the preset temperature is lower than the first preset humidity, the first air diffusing plate 20 is controlled to rotate to a second preset position (the state thereof is as shown in FIG. 2) to partially block the air outlet.
  • the controller first controls the first air diffusing plate 20 and the second air diffusing plate 30 to open the air outlet 10 so that the indoor air outlet is normally blown out from the air outlet 10. At this time, the cold air is directly blown downward from the air outlet 10.
  • a portion of the air outlet 10 is blocked only by the first air diffusing plate 20, so that a part of the blown wind is blocked by the first air diffusing plate 20, and the other part enters the room through the unobstructed portion of the air outlet 10.
  • the portion of the wind blown on the inner side of the first diffuser 30 is blocked, and partially enters the room through the vent hole, thereby reducing the amount of air blown from the air outlet 10 with respect to the state of FIG.
  • FIG. 1 the controller first controls the first air diffusing plate 20 and the second air diffusing plate 30 to open the air outlet 10 so that the indoor air outlet is normally blown out from the air outlet 10. At this time, the cold air is directly blown downward from the air outlet 10.
  • a portion of the air outlet 10 is blocked only by the first
  • the air outlet 10 is shielded by the first air diffusing plate 20 and the second air diffusing plate 30, so that the blown air passes only through the air vents provided on the first air diffusing plate 20 and the second air diffusing plate 30. Entering the room; relative to FIG. 2, the amount of air discharged from the air outlet 10 is further reduced.
  • the specific location points of the second preset location and the third preset location may be set according to actual needs.
  • the indoor temperature is between the first preset temperature and the second preset temperature, and the ambient humidity is less than the first preset humidity
  • only the first air diffusing plate 20 is controlled.
  • the air volume reduction control is performed when the indoor temperature is less than the second preset temperature and the ambient humidity is less than the second preset humidity, and the air volume reduction control is performed by the first air diffusing plate 20 and the second air diffusing plate 30 to maximize the air volume Reduce the amount of air.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are rotated to a third preset position, the first air diffusing plate 20 and the second air diffusing plate 30 are dislocated, and There is a gap between the first diffuser 20 and the second diffuser 30.
  • the height of the bottom end surface of the first air diffusing plate 20 in the vertical direction is higher than the top end surface of the second air diffusing plate 30 (in the embodiment, the first air diffusing plate 20 is in the width direction)
  • One end surface of the second air diffusing plate 30 is the bottom end surface of the first air diffusing plate 20; the end surface of the second air diffusing plate 30 adjacent to the first air diffusing plate 20 in the width direction is the second air diffusing plate 30.
  • the first louver 20 when the indoor temperature is less than or equal to the first preset temperature, and the ambient humidity is less than the first preset humidity, the first louver 20 is controlled to rotate to the air outlet 10 The direction of the wind is vertical or substantially vertical to reduce the amount of air.
  • the second air diffuser 30 is controlled to rotate to a position perpendicular or substantially perpendicular to the air outlet direction of the air outlet 10, To minimize the amount of airflow. It can be understood that, in this example, the second preset position of the first louver 20 is at the same position as the third preset position of the first louver.
  • the size of the first preset temperature and the second preset temperature may be set according to actual needs.
  • the first preset temperature and the second preset temperature may be adjusted in stages.
  • the target temperature is the target temperature at which the user sets the air conditioning operation.
  • the first preset temperature is a sum of the target temperature and a preset temperature difference
  • the second preset temperature is the target temperature
  • the first preset temperature is a first preset threshold
  • the second preset temperature is a second preset threshold
  • the following preset temperature is 24 ° C, the preset temperature difference is 2 ° C, the first preset temperature is 26 ° C, and the second preset temperature is 24 ° C as an example for detailed description: when the target temperature Ts is greater than 24 When the temperature is °C, the first preset temperature is Ts+2°C, and the second preset temperature is Ts; when the target temperature Ts is less than or equal to 24° C., the first preset temperature is 26° C., and the second preset temperature is 24 ° C.
  • the target temperature is effectively prevented from being too low, and the indoor temperature cannot reach a condition smaller than Ts+2 °C.
  • controller controls the first air diffuser 20 and the second air diffuser 30 to increase the airflow of the air outlet 10, including:
  • the controller determines whether the current ambient humidity is greater than a first preset value; if yes, the controller controls the The first air diffusing plate 20 is rotated to a second preset position, and the second air diffusing plate 30 is controlled to rotate to a first preset position;
  • the controller determines whether the current ambient humidity is greater than the second a preset value; if yes, the controller controls the first louver 20 to rotate to a first preset position; the first preset value is less than a second preset value.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are located in three different states as shown in FIGS. 1 to 3.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are in a fully open state, wherein the first air diffusing plate 20 and the second air diffusing plate 30 are both located in the first preset. Position
  • the first air diffusing plate 20 partially blocks the air outlet 10, wherein the first air diffusing plate 20 is located at the second preset position, and the second air diffusing plate 30 is located at the first preset Position
  • the first air diffusing plate 20 and the second air diffusing plate 30 cooperate to block the air outlet 10 to minimize the air volume, wherein the first air diffusing plate 20 and the second The diffuser panels 30 are all located at a third preset position.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are controlled to move to the first state, and after running for a period of time in the first state, it is then determined whether the first The preset condition; if so, the first louver 20 and the second louver 30 are controlled to move to the second state.
  • the second state determining whether the second preset condition and the ambient humidity are greater than the second preset value, and when the second preset condition is met, controlling the first air diffuser 20 and the second air diffuser 30 to enter the first The three states; when the ambient humidity is greater than the second preset value, the first louver 20 and the second louver 30 are controlled to enter the first state.
  • the first air diffuser 20 and the second air diffuser 30 are controlled to enter the second state.
  • determining whether the first preset condition is met, whether the second preset condition is met, whether the ambient humidity is greater than the second preset value, and whether the ambient humidity is greater than the first preset value is set.
  • the difference value may also be set.
  • the second preset value may be 75%
  • the first preset value may be 70%
  • the first preset condition is: the indoor temperature is less than or equal to 26 ° C and the ambient humidity is less than 65.
  • the second preset condition is: the indoor temperature is less than or equal to 24 ° C and the ambient humidity is less than 60%.
  • the controller determines the current environment. Whether the humidity is greater than a third preset value; if so, when the air deflector 60 of the air conditioner indoor unit blocks the air outlet, the air deflector 60 is controlled to open the air outlet 10.
  • the condensed water is likely to be generated, and at this time, it is necessary to appropriately increase the interval according to the humidity rise.
  • the outlet angle of the large inner fan increases the air volume, and blows the condensed water on the first diffuser 20 and the second diffuser 30 to maintain the drying effect of the diffuser.
  • FIG. 4 and FIG. 5 specifically, at this time, it can be determined whether the air deflector 60 completely opens the air outlet 10 , and if the air deflector has a shielding air outlet 10 (as shown in FIG. 4 ), the wind guide is controlled.
  • the plate 60 opens the air outlet 10 (shown in Figure 5) to increase the amount of air.
  • the present invention also provides an air conditioning indoor air outlet control method, which is applied to the above air conditioning indoor unit, with reference to FIG. 1 to FIG. 6 .
  • the air conditioning indoor air outlet control method provided by the present invention includes:
  • Step S10 in the cooling operation state of the air conditioner indoor unit, after entering the preset operation mode, controlling the first air diffusing plate 20 and the second air diffusing plate 30 to be at different rotating positions to form an occlusion of the air outlet 10, Changing the gap of the air outlet 10 for air outlet;
  • step S20 it is determined whether to control the rotation of the first air diffusing plate 20 and the second air diffusing plate 30 according to the ambient humidity detected by the humidity detector, so that the air outlet 10 is used for increasing the gap of the air outlet.
  • the structures of the first air diffusing plate 20 and the second air diffusing plate 30 may be disposed according to actual needs.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are elongated. Plate structure.
  • the air conditioner indoor unit further includes a chassis 40 and a face frame 50, wherein an indoor fan, an air inlet duct, and an air outlet duct are disposed in the chassis 40, wherein the face frame 50 is opened at an exit of the air outlet duct The above air outlet 10.
  • the first louver 20 is rotatably mounted on the chassis 40
  • the second louver 30 is rotatably mounted on the face frame 50, wherein the first louver 20 is located above the second louver 30.
  • the rotation of the first louver 20 and the second louver 30 is controlled by a motor to open and block the vent 10.
  • the vent hole includes a first vent hole disposed on the first louver 20 and a second vent hole disposed on the second louver 30.
  • the venting hole is configured to allow the wind to enter the room through the vent hole when the first air diffusing plate 20 and/or the second air diffusing plate 30 block the air outlet 10, so as to reduce the air volume and the wind speed.
  • the shape of the vent hole can be set according to actual needs, for example, the first ventilating plate 20 is provided with the first ventilation when the first louver 20 and the second louver 30 block the vent.
  • the direction in which the hole extends from the inner side surface to the outer side surface of the first air diffusing plate 20 is inclined upward by a predetermined angle in the thickness direction of the first air diffusing plate 20; the second air venting hole provided in the second air diffusing plate 30 is the first The direction in which the inner side surface to the outer side surface of the diffuser panel 20 extends coincides with the thickness direction of the second diffuser panel 30.
  • the opening of the air outlet by the first air diffusing plate 20 and the second air diffusing plate 30 means that the normal air outlet of the air outlet 10 is not blocked; the first air diffusing plate 20 and The second louver 30 blocking the air outlet means that the first louver 20 and the second louver 30 block the wind blown from the air outlet duct, so that the first louver 20 and the second louver 30 are blown.
  • the wind on the inner side enters the room through the vent hole, and is performed indoors through a gap between the first louver 20 and the second louver 30 (the gap of the air outlet 10 for air).
  • the preset operation mode is the windless mode as an example, and the detailed description is made.
  • the windless mode means that the air conditioner operates in a cooling operation state, and the direction of the air outlet of the air outlet is controlled to change, so that the indoor wind speed is lowered.
  • the indoor wind speed is the measured wind speed at a distance of 3 m from the horizontal distance of the air conditioner.
  • the wind speed of the air outlet is lowered by blocking the air outlet, and the indoor wind speed is lowered.
  • the indoor wind speed can be lower than 0.3 m/s, that is, the comfort state is achieved.
  • the controller controls the first louver 20 and the second louver 30 to be at different rotational positions according to the indoor temperature detected by the temperature detector to form an occlusion of the air outlet 10.
  • the effect of the occlusion of the different rotational positions is that the smaller the indoor temperature is, the control of the first louver and the second louver occlude the air outlet, so that the gap of the air outlet for the air outlet is smaller. Thereby the smaller the amount of air flow.
  • the control method of controlling the first air diffusing plate 20 and the second air diffusing plate 30 to cooperate to reduce the air volume of the air outlet 10 to different degrees may be set according to actual needs. For example, it is possible to control the amount of air blown from the air outlet 10 in accordance with the temperature and the ambient humidity. Specifically, when the indoor temperature and the ambient humidity are lower, the amount of wind that fits the first first air diffusing plate 20 and the second air diffusing plate 30 in the room is larger, and the amount of air discharged from the air outlet 10 is smaller. The smaller the amount of air blown from the air outlet 10, the smaller the air flow speed of the environment, thereby improving the comfort of the environment.
  • the ambient humidity is increased after the air volume is reduced, it is easy to generate condensed water on the first and second diffuser plates. At this time, it is necessary to judge whether it is necessary to return to the state before the air volume adjustment according to the environmental humidity, so as to improve The amount of air discharged from the air outlet 10 avoids the generation of condensed water on the first and second diffuser plates.
  • the air outlet amount of the air outlet 10 effectively prevents hot air from collecting on the outer side surface of the air diffusing plate, thereby effectively preventing the occurrence of condensed water.
  • the air conditioner indoor unit may include an air deflector or may not include a wind deflector, and the air deflector is used to block or open the air outlet 10, and the operating state of the air deflector may be Actual settings are required, and are not further defined herein.
  • the first air diffuser and the second air conditioner are controlled.
  • the air diffusing plate reduces the air volume of the air outlet:
  • Step S11 after entering the preset operation mode, controlling the first louver 20 and the second louver 30 to rotate to a first preset position to open the air outlet 10;
  • Step S12 when the first preset condition is met, the first louver 20 is controlled to rotate to a second preset position to partially block the air outlet 10;
  • Step S13 when the second preset condition is met, the first louver 20 and the second louver 30 are controlled to rotate to a third preset position, and the first louver 20 and the second louver 30 are mutually connected. Cooperate to block the air outlet 10.
  • the parameters determined by the first preset condition and the second preset condition may be set according to actual needs, for example, when the indoor air temperature and the ambient humidity are used to reduce the air volume of the air outlet 10: after entering the windless mode Firstly, the first air diffusing plate 20 and the second air diffusing plate 30 are controlled to rotate to a first preset position (the state thereof is as shown in FIG. 1) to open the air outlet 10; when the indoor temperature is less than or equal to the first When the preset temperature is lower than the first preset humidity, the first air diffusing plate 20 is controlled to rotate to a second preset position (the state thereof is as shown in FIG. 2) to partially block the air outlet.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are controlled to open the air outlet 10 so that the indoor air outlet is normally blown out from the air outlet 10. At this time, the cold air is directly blown downward from the air outlet 10.
  • a portion of the air outlet 10 is blocked only by the first air diffusing plate 20, so that a part of the blown wind is blocked by the first air diffusing plate 20, and the other part enters the room through the unobstructed portion of the air outlet 10.
  • the portion of the wind blown on the inner side of the first diffuser 30 is blocked, and partially enters the room through the vent hole, thereby reducing the amount of air blown from the air outlet 10 with respect to the state of FIG.
  • the air outlet 10 is shielded by the first air diffusing plate 20 and the second air diffusing plate 30, so that the blown air passes only through the air vents provided on the first air diffusing plate 20 and the second air diffusing plate 30. Entering the room; relative to FIG. 2, the amount of air discharged from the air outlet 10 is further reduced.
  • the specific location points of the second preset location and the third preset location may be set according to actual needs.
  • the indoor temperature is between the first preset temperature and the second preset temperature, and the ambient humidity is less than the first preset humidity
  • only the first air diffusing plate 20 is controlled.
  • the air volume reduction control is performed when the indoor temperature is less than the second preset temperature and the ambient humidity is less than the second preset humidity, and the air volume reduction control is performed by the first air diffusing plate 20 and the second air diffusing plate 30 to maximize the air volume Reduce the amount of air.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are rotated to a third preset position, the first air diffusing plate 20 and the second air diffusing plate 30 are dislocated, and There is a gap between the first diffuser 20 and the second diffuser 30.
  • the height of the bottom end surface of the first air diffusing plate 20 in the vertical direction is higher than the top end surface of the second air diffusing plate 30 (in the embodiment, the first air diffusing plate 20 is in the width direction)
  • One end surface of the second air diffusing plate 30 is the bottom end surface of the first air diffusing plate 20; the end surface of the second air diffusing plate 30 adjacent to the first air diffusing plate 20 in the width direction is the second air diffusing plate 30.
  • the first louver 20 when the indoor temperature is less than or equal to the first preset temperature, and the ambient humidity is less than the first preset humidity, the first louver 20 is controlled to rotate to the air outlet 10 The direction of the wind is vertical or substantially vertical to reduce the amount of air.
  • the second air diffuser 30 is controlled to rotate to a position perpendicular or substantially perpendicular to the air outlet direction of the air outlet 10, To minimize the amount of airflow. It can be understood that, in this example, the second preset position of the first louver 20 is at the same position as the third preset position of the first louver.
  • the size of the first preset temperature and the second preset temperature may be set according to actual needs.
  • the first preset temperature and the second preset temperature may be adjusted in stages.
  • the target temperature is the target temperature at which the user sets the air conditioning operation.
  • the first preset temperature is a sum of the target temperature and a preset temperature difference
  • the second preset temperature is the target temperature
  • the first preset temperature is a first preset threshold
  • the second preset temperature is a second preset threshold
  • the following preset temperature is 24 ° C, the preset temperature difference is 2 ° C, the first preset temperature is 26 ° C, and the second preset temperature is 24 ° C as an example for detailed description: when the target temperature Ts is greater than 24 When the temperature is °C, the first preset temperature is Ts+2°C, and the second preset temperature is Ts; when the target temperature Ts is less than or equal to 24° C., the first preset temperature is 26° C., and the second preset temperature is 24 ° C.
  • the target temperature is effectively prevented from being too low, and the indoor temperature cannot reach a condition smaller than Ts+2 °C.
  • the first air diffusing plate and the second air diffusing plate are controlled to increase the air outlet.
  • the air volume includes:
  • the first air diffusing plate 20 and the second air diffusing plate 30 are located in three different states as shown in FIGS. 1 to 3.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are in a fully open state, wherein the first air diffusing plate 20 and the second air diffusing plate 30 are both located in the first preset. Position
  • the first air diffusing plate 20 partially blocks the air outlet 10, wherein the first air diffusing plate 20 is located at the second preset position, and the second air diffusing plate 30 is located at the first preset Position
  • the first air diffusing plate 20 and the second air diffusing plate 30 cooperate to block the air outlet 10 to minimize the air volume, wherein the first air diffusing plate 20 and the second The diffuser panels 30 are all located at a third preset position.
  • the first air diffusing plate 20 and the second air diffusing plate 30 are controlled to move to the first state, and after running for a period of time in the first state, it is then determined whether the first The preset condition; if so, the first louver 20 and the second louver 30 are controlled to move to the second state.
  • the second state determining whether the second preset condition and the ambient humidity are greater than the second preset value, and when the second preset condition is met, controlling the first air diffuser 20 and the second air diffuser 30 to enter the first The three states; when the ambient humidity is greater than the second preset value, the first louver 20 and the second louver 30 are controlled to enter the first state.
  • the first air diffuser 20 and the second air diffuser 30 are controlled to enter the second state.
  • determining whether the first preset condition is met, whether the second preset condition is met, whether the ambient humidity is greater than the second preset value, and whether the ambient humidity is greater than the first preset value is set.
  • the difference value may also be set.
  • the second preset value may be 75%
  • the first preset value may be 70%
  • the first preset condition is: the indoor temperature is less than or equal to 26 ° C and the ambient humidity is less than 65.
  • the second preset condition is: the indoor temperature is less than or equal to 24 ° C and the ambient humidity is less than 60%.
  • the air conditioning indoor air outlet control method further includes:
  • step S30 when the air conditioner indoor unit opens the air outlet 10 when the first air diffuser 20 and the second air diffuser 30 open, determine whether the current ambient humidity is greater than a third preset value; if yes, step S40; Otherwise proceed to step S10;
  • step S40 when the air deflector of the air conditioner indoor unit blocks the air outlet 10, the air deflector is controlled to open the air outlet 10.
  • the condensed water is likely to be generated, and at this time, it is necessary to appropriately increase the interval according to the humidity rise.
  • the outlet angle of the large inner fan increases the air volume, and blows the condensed water on the first diffuser 20 and the second diffuser 30 to maintain the drying effect on the diffuser.
  • it can be determined whether the air deflector 60 completely opens the air outlet 10 and if the air deflector has a shielding air outlet 10 (as shown in FIG. 4 ), the wind guide is controlled.
  • the plate 60 opens the air outlet 10 (shown in Figure 5) to increase the amount of air.

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

Abstract

L'invention concerne une unité intérieure de conditionnement d'air dotée d'une sortie d'air (10), d'une première plaque de distribution d'air (20), d'une seconde plaque de distribution d'air (30), d'un dispositif de commande et d'un détecteur d'humidité. La première plaque de distribution d'air (20) et la seconde plaque de distribution d'air (30) sont toutes deux dotées de plusieurs trous d'air de ventilation et coopèrent pour obstruer ou ouvrir la sortie d'air (10). Le détecteur d'humidité est configuré pour détecter une humidité de l'environnement. Pendant un état de fonctionnement de refroidissement de l'unité intérieure de conditionnement d'air, le dispositif de commande commande la première plaque de distribution d'air (20) et la seconde plaque de distribution d'air (30) pour amener celles-ci dans différentes positions de rotation pour former un obstacle à la sortie d'air (10) et modifier un espace de sortie d'air de la sortie d'air (10) une fois que l'unité intérieure de conditionnement d'air est entrée dans un mode de fonctionnement prédéterminé, et le dispositif de commande détermine, en fonction de l'humidité de l'environnement détectée par le détecteur d'humidité, s'il faut ou non commander la première plaque de distribution d'air (20) et la seconde plaque de distribution d'air (30) pour les faire entrer en rotation, de manière à agrandir l'espace de sortie d'air de la sortie d'air (10). L'invention concerne également un procédé de commande de sortie d'air intérieure de conditionnement d'air.
PCT/CN2015/088531 2015-08-07 2015-08-31 Unité intérieure de conditionnement d'air et procédé de commande de sortie d'air intérieure de conditionnement d'air WO2017024635A1 (fr)

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EP3604941A4 (fr) * 2018-03-09 2020-05-20 GD Midea Air-Conditioning Equipment Co., Ltd. Climatiseur et procédé de commande associé
EP3736505A4 (fr) * 2018-03-09 2021-03-31 GD Midea Air-Conditioning Equipment Co., Ltd. Climatiseur, et procédé et dispositif de commande de celui-ci
CN113757975A (zh) * 2021-08-24 2021-12-07 重庆海尔空调器有限公司 一种空调控制方法、控制装置及空调器
CN114251796A (zh) * 2021-12-08 2022-03-29 海信（广东）空调有限公司 一种空调器控制方法及包括其的空调器
CN114413452A (zh) * 2022-02-17 2022-04-29 珠海格力电器股份有限公司 空调器的风量控制方法及空调器
US11982450B2 (en) * 2017-07-31 2024-05-14 Gd Midea Air-Conditioning Equipment Co., Ltd. Air conditioner indoor unit

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EP3339755A1 (fr) * 2016-12-21 2018-06-27 Samsung Electronics Co., Ltd. Climatiseur
CN114791125B (zh) * 2017-08-21 2024-04-26 广东美的制冷设备有限公司 壁挂式空调室内机及空调器
CN107642874A (zh) * 2017-10-31 2018-01-30 广东美的制冷设备有限公司 空调器的控制方法和空调器
CN109373516B (zh) * 2018-10-22 2020-10-30 广东美的制冷设备有限公司 空调器及其控制方法、控制装置
CN109631300B (zh) * 2018-12-18 2021-01-12 奥克斯空调股份有限公司 一种防凝露出风角度调节方法、装置及空调器、空调系统
CN113733847B (zh) * 2021-08-18 2023-06-27 珠海格力电器股份有限公司 防止冷凝水从出风口溢出的方法及其相关设备

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US11982450B2 (en) * 2017-07-31 2024-05-14 Gd Midea Air-Conditioning Equipment Co., Ltd. Air conditioner indoor unit
EP3604941A4 (fr) * 2018-03-09 2020-05-20 GD Midea Air-Conditioning Equipment Co., Ltd. Climatiseur et procédé de commande associé
EP3736505A4 (fr) * 2018-03-09 2021-03-31 GD Midea Air-Conditioning Equipment Co., Ltd. Climatiseur, et procédé et dispositif de commande de celui-ci
CN113757975A (zh) * 2021-08-24 2021-12-07 重庆海尔空调器有限公司 一种空调控制方法、控制装置及空调器
CN114251796A (zh) * 2021-12-08 2022-03-29 海信（广东）空调有限公司 一种空调器控制方法及包括其的空调器
CN114251796B (zh) * 2021-12-08 2024-03-15 海信（广东）空调有限公司 一种空调器控制方法及包括其的空调器
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CN114413452B (zh) * 2022-02-17 2023-07-14 珠海格力电器股份有限公司 空调器的风量控制方法及空调器

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