WO2021190213A1 - 空调室内机 - Google Patents

空调室内机 Download PDF

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Publication number
WO2021190213A1
WO2021190213A1 PCT/CN2021/077078 CN2021077078W WO2021190213A1 WO 2021190213 A1 WO2021190213 A1 WO 2021190213A1 CN 2021077078 W CN2021077078 W CN 2021077078W WO 2021190213 A1 WO2021190213 A1 WO 2021190213A1
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WO
WIPO (PCT)
Prior art keywords
air
wind deflector
wind
indoor unit
deflector
Prior art date
Application number
PCT/CN2021/077078
Other languages
English (en)
French (fr)
Inventor
闫宝升
王永涛
戴现伟
尹晓英
闫秀洁
Original Assignee
青岛海尔空调器有限总公司
海尔智家股份有限公司
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Application filed by 青岛海尔空调器有限总公司, 海尔智家股份有限公司 filed Critical 青岛海尔空调器有限总公司
Publication of WO2021190213A1 publication Critical patent/WO2021190213A1/zh

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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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades

Definitions

  • the present invention relates to the technical field of air conditioning, in particular to an air conditioner indoor unit.
  • the object of the present invention is to provide an air conditioner indoor unit that overcomes the above-mentioned problems or at least partially solves the above-mentioned problems.
  • the purpose of the present invention is to provide an indoor unit of an air conditioner that can satisfy the rising and blowing of cold air and the sinking and blowing of hot air.
  • the further purpose of the present invention is to improve the upward wind guiding effect of the second wind deflector.
  • an air conditioner indoor unit which includes:
  • the shell is provided with an air outlet facing the front and bottom;
  • the first air deflector and the second air deflector are respectively rotatably installed on the front side and the lower side of the air outlet to open and close the air outlet cooperatively.
  • the second air deflector is configured as:
  • the rotation axis of the first wind deflector is located at the end of the first wind deflector facing downward when it is in the closed state.
  • the rotation axis of the first wind deflector is located between the upper and lower ends of the first wind deflector when it is in the closed state, and is spaced apart from the upper edge of the air outlet.
  • the rear end of the second air guide plate is rotatably installed on the housing when it is in the front air guide state, and the rotation axis of the second air guide plate is located at the lower edge of the air outlet.
  • the rotation axis of the first wind deflector and the rotation axis of the second wind deflector are parallel to each other.
  • the second air deflector includes: an air deflector body, which is installed on the housing, and when the second air deflector is in a front wind deflector state, the upwardly facing surface of the air deflector body constitutes an air deflector surface; and The part is formed on the air guide surface, and is used to guide the airflow to flow out obliquely upward and forward when the second air guide plate is in the front air guide state.
  • the wind blowing portion includes a wind blowing plate arranged at a distance from the wind guide surface; the front and rear ends of the wind guide body are respectively the first end and the second end when the wind deflector body is in the front wind guide state. In the direction from the second end to the first end, the distance between the air blowing plate and the air guiding surface gradually increases.
  • the wind deflector is arranged at the first end of the wind deflector body; and the projection of the end of the wind deflector away from the second end on the wind deflector body falls outside the wind deflector surface.
  • the other side surface of the wind deflector body facing away from the wind deflecting surface is formed with a streamlined protrusion at a section close to the first end.
  • the indoor unit of the air conditioner further includes: an air duct connected with an air outlet inside the housing for guiding the air flow to the air outlet; and the upper wall of the air duct includes a rearward extension from the upper edge of the air outlet
  • an upper plate section extending forward and upward from the upper edge of the arc-shaped transition section.
  • the air conditioner indoor unit of the present invention has multiple air supply modes, which improves the comfort experience of air supply of the air conditioner indoor unit. For example, when the air conditioner is in refrigeration operation, you can choose to adjust the first air deflector to the open state and adjust the second air deflector to the front air deflector state located on the lower side of the air outlet, so that the second air deflector can send the air flow ( Cold wind) is directed to the front, upper front or lower front. For example, you can choose to make the second air deflector guide the cold wind forward and upward, so that the cold wind can be blown out at a larger upward angle (the angle between the airflow blowing angle and the horizontal plane) to avoid the human body, and the cold wind will scatter downward when it reaches the highest point.
  • a larger upward angle the angle between the airflow blowing angle and the horizontal plane
  • the rotation axis of the first air guide plate is located at the end of the first air guide plate facing downward when it is in the closed state.
  • the first wind deflector can be rotated to be parallel to the second wind deflector, or the angle is less than 180°, so that the first wind deflector can be aligned by the first wind deflector.
  • the airflow flowing out of the second wind deflector is further guided upward to enhance the upward guiding effect.
  • first wind deflector can also be rotated to a state where the angle between the first wind deflector and the second wind deflector is greater than 180, so as to completely open the front passage of the air outlet, so that the first wind deflector does not participate in the wind guide and is completely controlled by The second air deflector conducts upward air guiding, so that the airflow resistance is smaller.
  • the rotation axis of the first air guide plate can be located between the upper and lower ends of the first air guide plate when it is in the closed state, and is spaced apart from the upper edge of the air outlet.
  • the first wind deflector when the second wind deflector is in the front wind deflector state, the first wind deflector can be rotated to be parallel to the second wind deflector, or the included angle is less than 180°, so that the first wind deflector can be aligned by the first wind deflector.
  • the airflow flowing out of the second wind deflector is further guided upwards to improve the upward guiding effect.
  • the first wind deflector can also be rotated to a state of gradually extending downward from back to front, so that the first wind deflector guides the airflow forward and downward.
  • the upper edge of the air outlet can be designed to be higher, which is beneficial to the second air deflector.
  • a larger upward angle guides the wind upward (the higher the upper edge of the air outlet, the greater the theoretical maximum upward angle).
  • this also makes the outlet area of the air outlet larger, makes the air outlet more smoothly, reduces the wind resistance and facilitates the large air volume supply.
  • the second air deflector includes an air deflector body and an air blowing part.
  • the air blowing part can guide the blowing air flow upward and forward. Oblique outflow to increase the upward angle of the supply air flow.
  • the air blowing plate of the air blowing section is located at the first end of the air deflector body, and the projection of the end on the air deflector body is outside the air deflecting surface, so that the blowing effect of the air blowing plate is improved. good.
  • the air conditioner indoor unit of the present invention has a special design for the shape of the upper wall of the air duct, and the rear flat section close to the fan is a straight section, which is beneficial to keep the air output of the fan stable.
  • the arc plate section in the middle can expand the air outlet angle, change the air outlet direction, and increase the air volume when the flow resistance is the least.
  • the outermost section of the upper wall of the air duct is the front flat section, which can be horizontal or have a certain upward inclination angle, which can make the airflow of the airflow stable and have better flow directionality.
  • This design for the shape of the upper wall of the air duct makes the air volume and air flow stability better when the air supply air is blown up.
  • Fig. 1 is a schematic diagram of an air-conditioning indoor unit according to an embodiment of the present invention when the first air deflector is in the closed state and the second air deflector is in the front air-guiding state;
  • Fig. 2 is a schematic diagram of the air-conditioning indoor unit shown in Fig. 1 when the first air guide plate is in an open state and the second air guide plate is in a front air guide state;
  • Fig. 3 is a schematic diagram of the air-conditioning indoor unit shown in Fig. 1 when the first air deflector is in the closed state and the second air deflector is in the lower air-guiding state;
  • FIG. 4 is a schematic diagram of an air-conditioning indoor unit according to another embodiment of the present invention when the first air deflector is in the closed state and the second air deflector is in the front air-guiding state;
  • Fig. 5 is a schematic diagram of the air-conditioning indoor unit shown in Fig. 4 when the first air guide plate is in an open state and the second air guide plate is in a front air guide state;
  • Fig. 6 is a schematic diagram of the air-conditioning indoor unit shown in Fig. 4 when the first air deflector is in the closed state and the second air deflector is in the lower air-guiding state;
  • FIG. 7 is a schematic structural diagram of a second air guide plate in the air-conditioning indoor unit of the present invention.
  • FIG. 8 is a schematic diagram of the size relationship between the wind deflector and the wind deflector body of the second wind deflector shown in FIG. 7;
  • Fig. 9 is a schematic diagram of the shape of the upper wall of the air duct of the air-conditioning indoor unit shown in Fig. 1.
  • FIGS. 1 to 9 the orientation or positional relationship indicated by “front”, “rear”, “upper”, “lower”, “top”, “bottom”, “inner”, “outer”, “horizontal”, etc. are based on the drawings shown
  • the orientation or positional relationship of is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention .
  • the solid arrows in the figure indicate the wind direction of the supply air flow, and the hollow arrows indicate the direction in which the ambient air enters.
  • Fig. 1 is a schematic diagram of an air-conditioning indoor unit of an embodiment of the present invention when the first air guide plate 60 is in the closed state and the second air guide plate 50 is in the front air guide state;
  • Fig. 2 is the air-conditioning indoor unit shown in Fig. 1 in the first The wind deflector 60 is in the open state and the second wind deflector 50 is in the front wind deflector state;
  • FIG. 3 is the air-conditioning indoor unit shown in FIG. 1 when the first wind deflector 60 is in the closed state, and the second wind deflector 50 is in the Schematic diagram when the wind is guided downwards.
  • the air conditioner indoor unit of the embodiment of the present invention may generally include a housing 10, a first air guide plate 60 and a second air guide plate 50.
  • An air outlet 12 is provided on the housing 10, and the air outlet 12 faces forward and downward (refers to that the outlet section of the air outlet 12 faces forward and downward, or the normal line of the air outlet 12 gradually slopes downward from back to front).
  • the air flow blown out from the inside of the housing 10 is a blowing air flow.
  • the supply air flow is cold air; when the air conditioner is heating, the supply air flow is hot air.
  • the supply air flow can also be outdoor air.
  • the air-conditioning indoor unit can be an indoor unit of an air-conditioning system that performs cooling/heating through a vapor compression refrigeration cycle system, and specifically can be a wall-mounted unit, an indoor unit of a cabinet unit, or various terminal models of a central air conditioner.
  • the air conditioner indoor unit is a wall-mounted air conditioner indoor unit, which includes an evaporator 20, a fan 30, and an air duct 40.
  • the evaporator 20 is used to exchange heat with the air entering the housing 10 from the air inlet 11 to form cold air or hot air.
  • the inlet of the air duct 40 faces the evaporator 20 and the outlet is connected to the air outlet 12.
  • the fan 30 may be a cross-flow fan, which is arranged at the inlet of the air duct 40 to encourage air to flow from the evaporator 20 to the air outlet 12.
  • the first wind deflector 60 and the second wind deflector 50 are respectively rotatably installed on the front side and the lower side of the air outlet 12 to open and close the air outlet 12 cooperatively, and also have the function of guiding the direction of the air flow.
  • the first wind deflector 60 is in a closed state and is used to shield the front side of the air outlet 12
  • the second wind deflector 50 is used to cover the lower side of the air outlet 12
  • the first wind deflector 60 and the second The two air guide plates 50 jointly close the air outlet 12.
  • the first wind deflector 60 can be rotated from the closed state to the open state as shown in FIG. 2 to allow the air flow to flow forward.
  • the first wind deflector 60 has multiple open states, and the difference lies in the different opening angles. As long as the first wind deflector 60 rotates forward from the closed state to open the front side of the air outlet 12 to allow the airflow to flow forward, it is in the open state.
  • a motor is installed in the housing 10 to drive the first wind deflector 60 to rotate.
  • the first wind deflector 60 can also be a manually rotating structure. The air guiding effect of the first air guiding plate 60 can be changed by adjusting the opening angle of the first air guiding plate 60.
  • the second air guide plate 50 has an air guide surface 511 that is mainly used to contact the air flow of the blowing air and guide the air flow of the blowing air.
  • the second air guide plate 50 is configured to be rotatable to the front air guide state with the air guide surface 511 facing upwards at the lower side of the air outlet 12, so as to guide the air flow to the front, upper front, or lower front, as shown in FIG. 2; In addition, it can be rotated to the lower air guiding state where the air guiding surface 511 is located at the rear side of the air outlet 12 and the air guiding surface 511 is facing forward, so as to guide the blowing air flow downward, as shown in FIG. 3.
  • the prerequisite for the second wind deflector 50 to guide the blowing air flow to the front, front upper, or front lower is that the first wind deflector 60 is first rotated to the open state.
  • the first air deflector 60 can be closed, so that the first air deflector 60 and the second air deflector 50 together form a downwardly extending channel, which is convenient for Guide the supply air flow downwards, as shown in Figure 3.
  • the air-conditioning indoor unit has multiple air supply modes, which improves the air-supply comfort experience of the air-conditioning indoor unit.
  • the first air deflector 60 can be adjusted to the open state and the second air deflector 50 is adjusted to the front air guide state, so that the second air deflector 50 directs the airflow (cold air) toward Guidance from the front, above the front or below the front.
  • the second air guide plate 50 can be selected to guide the cold wind forward and upward, so as to blow the cold wind at a larger upward angle (the angle between the airflow blowing angle and the horizontal plane) to avoid the human body.
  • the second air deflector 50 can be adjusted to the lower air guiding state behind the air outlet 12 and the air guiding surface 511 facing forward, so as to guide the supply air flow (hot air) downward to make the hot air Blow the bottom surface nearly vertically downwards to achieve a foot warming experience, as shown in Figure 3.
  • the upper edge of the air outlet 12 can be designed to be higher, which is beneficial for the second air deflector 50 to be larger.
  • the rising angle guides the wind direction (the higher the upper edge of the air outlet, the larger the theoretical maximum rising angle).
  • this also makes the air outlet area of the air outlet 12 larger, which is conducive to large air volume.
  • the embodiment of the present invention introduces the wind guiding effect of the second wind deflector 50 only in the front wind guide state and the lower wind guide state as examples.
  • the second wind deflector 50 can be rotated to the front wind guide state and the lower wind guide state. Other locations than the wind state, in order to guide the supply air flow in other directions.
  • a motor is installed in the housing 10 to drive the second wind deflector 50 to rotate.
  • the air outlet 12, the first air guide plate 60, and the second air guide plate 50 may all be elongated with the length direction parallel to the horizontal direction.
  • the rotation axis 63 of the first air guide plate 60 and the rotation axis 53 of the second air guide plate 50 can be parallel to each other, and both are parallel to the length direction of the air outlet 12.
  • the first air deflector 60 can be flat or curved with a convex surface facing outward, and can be smoothly connected to the front surface of the housing 10 when in the closed position, so that the appearance of the indoor unit of the air conditioner is more beautiful .
  • the second wind deflector 50 can be configured to be vertically placed under the lower surface of the casing 10 (referring to the physical surface of the casing) when it is in the lower wind deflecting state. In this way, the blowing air flow from the air outlet 12 is guided by the air guiding surface 511 from the front side of the second air deflector 50 to flow downwards, and the airflow does not flow to the top and the top of the second air deflector 50. On the rear side, this can prevent the top of the second wind deflector 50 from being impacted by the airflow, and increase the wind resistance.
  • the rear end of the second air guide plate 50 can be rotatably installed on the housing 10 when it is in the front air guide state, and the rotation axis 53 is located at the lower edge of the air outlet 12 , So that when the second wind deflector 50 is in the downward wind deflecting state, it is vertically placed under the lower surface (solid surface) of the housing 10 so that all the airflow flows through the front side of the second wind deflector 50.
  • both ends in the longitudinal direction of the rotating shaft 53 can be rotatably mounted on both ends in the longitudinal direction of the housing 10 respectively.
  • the rotating shaft 53 and the air guiding surface 511 may be arranged at a certain distance, and adjacent to the end of the second air guiding plate 50 that faces backward (ie, the B end) when it is in the front air guiding state.
  • the rotating shaft 63 of the first air deflector 60 can be located at the end of the first air deflector 60 that faces downward when it is in the closed state. In this way, when the second wind deflector 50 is in the front wind deflector state, the first wind deflector 60 can be rotated to be parallel to the second wind deflector 50, or the included angle is less than 180° (as shown in Fig. 2), In this way, the first wind deflector 60 can further guide the airflow flowing out of the second wind deflector 50 upwards, thereby enhancing the upward guiding effect.
  • first wind deflector 60 can also be rotated to a state where the angle between the first wind deflector 50 and the second wind deflector 50 is greater than 180 (continue to rotate counterclockwise from the state shown in FIG. 2) to completely open the front side of the air outlet 12 Through the passage, the first wind deflector 60 does not participate in the wind guide, and the second wind deflector 50 performs the upward wind guide, so that the airflow resistance is smaller.
  • FIG. 4 is a schematic diagram of the air-conditioning indoor unit of another embodiment of the present invention when the first air guide plate 60 is in the closed state and the second air guide plate 50 is in the front air guide state;
  • FIG. 5 is the air-conditioning indoor unit shown in FIG. A schematic diagram of the air deflector 60 in the open state and the second air deflector 50 in the front air deflector state;
  • FIG. 6 is the air-conditioning indoor unit shown in FIG. 4 when the first air deflector 60 is in the closed state, and the second air deflector 50 Schematic diagram when it is in the downward guiding state.
  • the rotating shaft 63 of the first air deflector 60 is located between the upper and lower ends of the first air deflector 60 when it is in the closed state, and is connected to the upper part of the air outlet 12 Edge interval setting.
  • the rotation shaft 63 is positioned at the center of the first wind deflector 60. In this way, when the second wind deflector 50 is in the front wind deflector state, the first wind deflector 60 can be rotated to be parallel to the second wind deflector 50, or the included angle is less than 180° (as shown in Fig. 5), In this way, the first air deflector 60 can further upwardly guide the airflow flowing out of the second air deflector 50 to improve the upward guiding effect.
  • first wind deflector 60 can also be rotated to a state that gradually extends downward from back to front (continue to rotate counterclockwise from the state shown in FIG. 5), so that the first wind deflector 60 directs the airflow forward and downward. guide.
  • FIG. 7 is a schematic diagram of the structure of the second air deflector 50 in the air-conditioning indoor unit of the present invention
  • FIG. 8 is a schematic diagram of the size relationship between the air deflector 52 and the air deflector body 51 of the second air deflector 50 shown in FIG. 7.
  • the second wind deflector 50 may include a wind deflector body 51 and a blowing part.
  • the wind deflector body 51 serves as the main body of the second wind deflector 50 and is mounted on the casing 10 to be movably connected with the casing 10.
  • the rotating shaft 53 is located on the wind deflector body 51.
  • the blowing part is formed on the air guide surface 511, and is used to guide the supply air flow to flow out obliquely upward and forward when the second air guide plate 50 is in the front air guide state, which increases the upward angle of the supply air flow.
  • the air conditioner is cooling, the cold air is blown upward at an angle closer to the vertical upward.
  • the wind blowing part may include a wind blowing plate 52 arranged at intervals from the wind guide surface 511. It is assumed that the front and rear ends of the wind deflector body 51 when in the front wind guide state are the first end (A end) and the second end (B end), respectively, as shown in FIG. 2. In the direction from the second end to the first end (the direction from the B end to the A end, when the second air deflector 50 is in the front air guiding state, this direction is the flow direction of the air flow), the air blowing plate 52 and The distance between the air guide surfaces 511 is gradually increased to smoothly guide the airflow gradually away from the air guide body 51.
  • the air blowing plate 52 is arranged at the first end (end A) of the air deflector body 51, so that the blowing air flow is about to depart from the second air deflector 50 and guide it upward. , Make it rise and blow out.
  • the projection of the end (end E) of the air blowing plate 52 away from the second end on the air guiding plate body 51 can be made to fall outside the air guiding surface 511.
  • the air outlet end (end A) of the wind deflector body 51 is retracted from the end (end E) of the wind deflector 52 toward the second end (end B) of the wind deflector body 51 by a certain distance.
  • the air blowing part may further include a connecting rib (not shown), which is connected between the air deflector body 51 and the air blowing plate 52 to realize the structural connection between the two.
  • the air blowing part and the air deflector body 51 may be an integral piece formed in one piece.
  • FIG. 8 is a schematic diagram of the size relationship between the wind deflector 52 and the wind deflector body 51 of the second wind deflector 50 shown in FIG. 7.
  • the air blowing plate 52 may include a flat main body section 521 and an arc section 522 connected to the end of the flat main body section 521 closer to the air deflector body 51 and whose convex surface faces the air deflector body 51.
  • the arc-shaped section 522 is smoothly connected to the flat main body section 521, and is used to guide the supply air flow to the flat main section 521 more smoothly and smoothly, and the flat main section 521 guides the supply air flow upward.
  • the ratio of the width (the distance between the two ends of the ED) of the wind deflector 52 to the width (L 1 ) of the wind deflector body 51 can be between 0.3 and 0.35, preferably 1/3. Yang wind deflector 52 so that the width (L 2) and the width of the deflector body 51 (L 1) falls outside the projected air guide surface 511 of the air guide surface 511 in the portion between the ratio from 0.08 to 0.12, preferably 0.1.
  • the blowing angle ⁇ of the blowing plate 52 (the angle between the flow direction of the blowing air flow after being blown from the blowing plate 52 and the flow direction of the blowing air flow before it flows into the surface of the blowing plate 52) is preferably between 25° and 35°, one On the one hand, it ensures that the supply air flow has a better upward effect, and at the same time, avoids excessive airflow resistance caused by the excessive angle of the air blowing part.
  • the other side surface 512 of the wind deflector body 51 facing away from the wind deflecting surface 511 can be formed with a streamlined convex at the section adjacent to the first end (end A). From 5121.
  • the second air deflector 50 is in the front air guiding state, part of the airflow from the air deflector body 51 flows forward from the upper side of the air deflector body 51 and the air deflector 52.
  • the air-conditioning indoor unit may include the air duct 40.
  • the air duct 40 is connected to the air outlet 12 inside the housing 10 for guiding the air flow to the air outlet 12.
  • the second wind deflector 50 has a multi-level wind blowing effect when it is in the front wind deflecting state. Specifically, the surface (upper surface in this state) of the air blowing plate 52 facing away from the air deflector body 51 forms a large-elevation wing surface structure. The airflow is accelerated by the fan and flows smoothly.
  • the lift rapidly increases, pushing the overall airflow velocity to increase, and the upward blowing angle increases, which can quickly reach a higher angle and speed of the rising wind within a very short distance, forming the first-stage rising wind (the first-stage rising wind process is similar to
  • the extended profile of the wind-raising plate 52 can also be an Archimedes spiral to enhance the first-stage wind-raising effect.
  • a channel that gradually expands along the airflow direction is formed between the air blowing plate 52 and the air deflector body 51, and the channel entrance is narrow, so that the airflow enters at a high speed.
  • the channel area gradually increases to minimize the resistance when the airflow passes, and after the airflow passes, still maintain a high wind speed.
  • the air outlet angle gradually rises under the action of the surface (lower surface) of the air blowing plate 52 facing the air deflector body 51, so that the middle-level high-speed air flow further rises up the blowing channel to form a second level of blowing air. After the blowing air flow of the first stage and the second stage of the blowing wind, it forms a negative pressure zone on the lower side of the air deflector body 51.
  • the airflow from the lower layer is attracted by negative pressure, changes direction, and deflects upward along the air deflector body 51, and merges with the high-speed and high-pressure airflow in the middle layer to form an integrally directed polymer airflow.
  • the upward movement of the lower airflow forms a third level of rising wind.
  • Fig. 9 is a schematic diagram of the shape of the upper wall 41 of the air duct of the air-conditioning indoor unit shown in Fig. 1.
  • the upper wall 41 of the air duct 40 includes a front flat section (ab section) extending backward from the upper edge of the air outlet 12, and a rear end from the front flat section (ab section).
  • the arc plate section (bc section) extending backward
  • the rear plate section (cd section) extending from the rear end of the arc plate section (bc section) backward and upward
  • the rear plate section (cd section) from the rear end first backward and then upward
  • An extended arc-shaped transition section (de section) and an upper flat plate section (ef section) extending forward and upward from the upper edge of the arc-shaped transition section (de section).
  • the rear flat section (cd section) close to the fan 30 is a straight section, which is beneficial to keep the wind from the fan stable.
  • the middle arc section (bc section) can expand the wind angle, change the wind direction, and increase the wind volume when the flow resistance is the least.
  • the outermost section of the upper wall 41 of the air duct is the front flat section (section ab), which can be horizontal or have a certain upward inclination angle, which can make the air flow out of the wind stable and have better flow directionality.
  • This design for the shape of the upper wall 41 of the air duct makes the air volume and air flow stability better when the air supply air is blown upward.
  • the ratio of the length L ab is preferably provided rear plate section (cd segment) length L cd front plate section (ab section) is between 0.3 to 0.6, the above effect can be enhanced.

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  • Combustion & Propulsion (AREA)
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Abstract

一种空调室内机，包括：壳体（10）、第一导风板（60）和第二导风板（50），壳体（10）开设有一朝向前下方的出风口（12）；第一导风板（60）和第二导风板（50）分别可转动地安装于出风口（12）的前侧和下侧，以配合地开闭出风口（12），第二导风板（50）配置成：可转动至位于出风口（12）下侧且使其导风面（511）朝上的前导风状态，以将送风气流向前方、前上方或前下方引导；以及可转动至位于出风口（12）后侧且使导风面（511）朝前的下导风状态，以将送风气流朝下方引导。该空调室内机能实现冷风上扬和热风下沉吹送。

Description

空调室内机 技术领域
本发明涉及空气调节技术领域，特别涉及一种空调室内机。
背景技术
随着时代的发展和技术的进步，用户不仅期望空调具有更快的制冷和制热速度，还越来越关注空调的舒适性能。
然而，为了实现更加快速地制冷和制热，难免需要进行大风量送风。但是，当风速过大的冷风或热风直吹人体时，必然会引起人体的不适。人体长期被冷风直吹还会引发空调病。
因此，如何实现空调的舒适送风成为空调行业亟待解决的技术难题。
发明内容
本发明的目的是要提供一种克服上述问题或者至少部分地解决上述问题的空调室内机。
本发明的目的是要提供一种能满足冷风上扬吹送和热风下沉吹送的空调室内机。
本发明的进一步的目的是要提升第二导风板的上扬导风效果。
特别地，本发明提供了一种空调室内机，其包括：
壳体，其开设有一朝向前下方的出风口；
第一导风板和第二导风板，分别可转动地安装于出风口的前侧和下侧，以配合地开闭出风口，第二导风板配置成：
可转动至位于出风口下侧且使其导风面朝上的前导风状态，以将送风气流向前方、前上方或前下方引导；以及
可转动至位于出风口后侧且使导风面朝前的下导风状态，以将送风气流朝下方引导。
可选地，第一导风板的转动轴位于第一导风板在处于关闭状态时朝下的端部。
可选地，第一导风板的转动轴位于第一导风板在处于关闭状态时的上下两端之间，且与出风口的上边缘间隔设置。
可选地，第二导风板在处于前导风状态时朝后的端部可转动地安装于壳 体，且其转动轴位于出风口的下边缘处。
可选地，第一导风板的转动轴与第二导风板的转动轴相互平行。
可选地，第二导风板包括：导风板本体，其安装于壳体，在第二导风板处于前导风状态时，导风板本体朝上的表面构成导风面；和扬风部，形成于导风面上，用于在第二导风板处于前导风状态时，引导送风气流向前上方上偏斜流出。
可选地，扬风部包括与导风面间隔设置的扬风板；设导风板本体在处于前导风状态时朝前和朝后的端部分别为第一端和第二端，在从第二端朝第一端的方向上，扬风板与导风面的间距逐渐增大。
可选地，扬风板设置在导风板本体的第一端处；且扬风板的远离第二端的末端在导风板本体上的投影落在导风面之外。
可选地，导风板本体的背离导风面的另一侧面在临近第一端的区段处形成有流线型凸起部。
可选地，空调室内机还包括：风道，在壳体内部连接出风口，用于将送风气流引导至出风口处；且风道的上壁包括从出风口的上边缘处向后延伸的前平板段、从前平板段后端向后延伸的弧板段、从弧板段后端向后上方延伸的后平板段、从后平板段后端先向后再向上延伸的弧形过渡段和从弧形过渡段的上边缘向前上方延伸的上平板段。
本发明的空调室内机具有多种送风模式，提升了空调室内机送风舒适性体验。例如，空调制冷运行时，可选择将第一导风板调节至打开状态且将第二导风板调节至位于出风口下侧的前导风状态，以便由第二导风板将送风气流(冷风)向前方、前上方或前下方引导。例如，可选择使第二导风板将冷风向前上方引导，以便将冷风以更大的上扬角度(气流吹出角度与水平面的夹角)吹出，躲避人体，冷风达到最高点后向下散落，实现一种“淋浴式”制冷体验。空调制热运行时，可选择将第二导风板调节至处于出风口后侧且导风面朝前的下导风状态，以便使第一导风板和第二导风板之间构成引导送风气流(热风)向下流动的通道，使热风以接近竖直向下地直吹底面，实现暖足体验。
进一步地，本发明的空调室内机中，使第一导风板的转动轴位于第一导风板在处于关闭状态时朝下的端部。这样一来，在第二导风板处于前导风状态时，可将第一导风板转动至与第二导风板平行，或夹角小于180°的状态， 以便由第一导风板对流出第二导风板的气流进行进一步地上扬引导，增强上扬引导效果。此外，也可将第一导风板转动至与第二导风板的夹角大于180的状态，以彻底让开出风口的前侧通路，使第一导风板不参与导风，完全由第二导风板进行上扬导风，这样使气流阻力更小。
进一步地，本发明的空调室内机中，可使第一导风板的转动轴位于第一导风板在处于关闭状态时的上下两端之间，且与出风口的上边缘间隔设置。这样一来，在第二导风板处于前导风状态时，可将第一导风板转动至与第二导风板平行，或夹角小于180°的状态，以便由第一导风板对流出第二导风板的气流进行进一步地上扬引导，提升上扬引导效果。此外，也可将第一导风板转动至从后向前逐渐向下延伸的状态，以便由第一导风板将送风气流向前下方引导。
进一步地，本发明的空调室内机，由于第一导风板具有在出风口前侧遮挡出风口的作用，这便可将出风口的上边缘设计地更加靠上，利于第二导风板以更大的上扬角度向上导风(出风口上边缘越靠上，理论上的最大上扬角度越大)。而且，这也使出风口的出风面积更大，使出风更加顺畅，减小风阻且利于大风量送风。
进一步地，本发明的空调室内机中，第二导风板包括导风板本体和扬风部，在第二导风板处于前导风状态时，扬风部能引导送风气流向前上方上偏斜流出，以增大送风气流的上扬角度。并且，使扬风部的扬风板位于导风板本体的第一端，且使其末端在导风板本体上的投影落在导风面之外，都使得扬风板的扬风效果更好。
进一步地，本发明的空调室内机对风道的上壁形状进行了特殊设计，靠近风机的后平板段为直线段，有利于保持风机出风稳定。中间的弧板段可在流动阻力最小的情况下，扩大出风角度，改变出风方向，增加出风风量。风道的上壁最外段是前平板段，可以水平，也可以有一定的向上倾斜角度，可使出风气流稳定，流动指向性更好。这种对于风道的上壁形状的设计使得送风气流上扬吹送时，风量和气流稳定性更好。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1是本发明一个实施例的空调室内机在第一导风板处于关闭状态，第二导风板处于前导风状态时的示意图；
图2是图1所示空调室内机在第一导风板处于打开状态，第二导风板处于前导风状态时的示意图；
图3是图1所示空调室内机在第一导风板处于关闭状态，第二导风板处于下导风状态时的示意图；
图4是本发明另一实施例的空调室内机在第一导风板处于关闭状态，第二导风板处于前导风状态时的示意图；
图5是图4所示空调室内机在第一导风板处于打开状态，第二导风板处于前导风状态时的示意图；
图6是图4所示空调室内机在第一导风板处于关闭状态，第二导风板处于下导风状态时的示意图；
图7是本发明的空调室内机中第二导风板的结构示意图；
图8是图7所示第二导风板的扬风板与导风板本体的尺寸关系示意图；
图9是图1所示空调室内机的风道的上壁形状示意图。
具体实施方式
下面参照图1至图9来描述本发明实施例的空调室内机。其中，“前”、“后”、“上”、“下”、“顶”、“底”、“内”、“外”、“横向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。图中用实心箭头示意了送风气流的风向，用空心箭头示意了环境空气的汇入方向。
图1是本发明一个实施例的空调室内机在第一导风板60处于关闭状态、第二导风板50处于前导风状态时的示意图；图2是图1所示空调室内机在第一导风板60处于打开状态，第二导风板50处于前导风状态时的示意图；图3是图1所示空调室内机在第一导风板60处于关闭状态，第二导风板50处于下导风状态时的示意图。
如图1至图3所示，本发明实施例的空调室内机一般性地可包括壳体10、第一导风板60以及第二导风板50。
壳体10上开设有一出风口12，出风口12朝向前下方(指的是出风口12的出口截面面向前下方，或者说出风口12的法线从后向前逐渐向下倾斜)。从壳体10的内部吹出的气流为送风气流。在空调制冷时，送风气流为冷风；在空调制热时，送风气流为热风。当然，空调具有新风模式时，送风气流也可为室外空气。
空调室内机可为通过蒸气压缩制冷循环***进行制冷/制热的空调***的室内机，具体可为壁挂机、柜机的室内机或者中央空调的各种末端机型。例如图1所示，空调室内机为壁挂式空调室内机，其包括蒸发器20、风机30、风道40。蒸发器20用于与从进风口11进入壳体10的空气进行热交换，形成冷风或热风。风道40的进口面向蒸发器20，出口连通出风口12。风机30可为贯流风机，其设置在风道40的进口处，以促使空气从蒸发器20处流至出风口12处。
第一导风板60和第二导风板50分别可转动地安装于出风口12的前侧和下侧，以配合地开闭出风口12，并且还具有引导送风气流方向的作用。如图1所示，第一导风板60处于关闭状态，用于遮挡出风口12的前侧，第二导风板50用于遮挡出风口12的下侧，第一导风板60和第二导风板50共同关闭了出风口12。第一导风板60可从关闭状态转动至如图2所示的打开状态，以允许送风气流向前流动。可以理解的是，第一导风板60具有多个打开状态，区别在于开启角度的不同。只要第一导风板60从关闭状态向前转动，以敞开出风口12的前侧以允许气流向前流动，便是处于打开状态。壳体10内安装有电机以驱动第一导风板60转动。或者，也可使第一导风板60为手动转动结构。可通过调节第一导风板60的开启角度来改变其导风效果。
第二导风板50具有主要用于与送风气流接触，对送风气流进行引导的导风面511。第二导风板50配置成：可转动至位于出风口12下侧且使其导风面511朝上的前导风状态，以将送风气流向前方、前上方或前下方引导，如图2；并且，可转动至位于出风口12的后侧且使导风面511朝前的下导风状态，以将送风气流向下方引导，如图3。可以理解的是，使第二导风板50将送风气流向前方、前上方或前下方引导的前提是先将第一导风板60转动至打开状态。
第二导风板50处于下导风状态时，可使第一导风板60处于关闭状态，以使第一导风板60和第二导风板50共同形成了向下延伸的通道，便于将送风气流向下引导，如图3。
本发明实施例中，空调室内机具有多种送风模式，提升了空调室内机送风舒适性体验。例如，空调制冷运行时，可选将第一导风板60调节至打开状态并将第二导风板50调节至前导风状态，以便由第二导风板50将送风气流(冷风)向前方、前上方或前下方引导。优选地，可选择使第二导风板50将冷风向前上方引导，以便将冷风以更大的上扬角度(气流吹出角度与水平面的夹角)吹出，躲避人体。冷风达到最高点后向下散落，实现一种“淋浴式”制冷体验，如图2。空调制热运行时，可选择将第二导风板50调节至处于出风口12后侧且导风面511朝前的下导风状态，以将送风气流(热风)向下引导，使热风以接近竖直向下地直吹底面，实现暖足体验，如图3。
并且，由于第一导风板60具有在出风口12前侧遮挡出风口12的作用，这便可将出风口12的上边缘设计地更加靠上，利于第二导风板50以更大的上扬角度引导风向(出风口上边缘越靠上，其理论上的最大上扬角度越大)。而且，这也使出风口12的出风面积更大，利于大风量送风。可以理解的是，本发明实施例仅以前导风状态和下导风状态为例介绍第二导风板50的导风效果，第二导风板50当然可转动至除前导风状态和下导风状态之外的其他位置，以便对送风气流进行其他方向的引导。壳体10内安装有电机以驱动第二导风板50转动。
出风口12、第一导风板60、第二导风板50可均为长度方向平行于水平方向的长条状。可使第一导风板60的转动轴63与第二导风板50的转动轴53相互平行，且均平行于出风口12的长度方向。第一导风板60可为平板状或者凸面朝外的曲面状，并可使其在处于关闭位置时，与壳体10的前表面轮廓平滑相接，以使空调室内机的外观更加美观。
如图3所示，可使第二导风板50配置成在其处于下导风状态时，竖置于壳体10的下表面(指的是壳体的实体表面)下方。如此一来，使得从出风口12吹出的送风气流全部从第二导风板50的前侧，由导风面511引导向下流动，气流不会流动至第二导风板50的顶部和后侧，这样可避免第二导风板50的顶部受到气流冲击，加大风阻。
如图1至图3所示，可使第二导风板50在处于前导风状态时朝后的端 部可转动地安装于壳体10，且其转动轴53位于出风口12的下边缘处，以便使第二导风板50在下导风状态时，竖置于壳体10的下表面(实体表面)下方，使送风气流全部从第二导风板50的前侧流过。具体地，可使转动轴53的长度方向的两端分别可转动地安装于壳体10的长度方向的两端。
在一些替代性实施例中，也可使转动轴53与导风面511间隔一定距离设置，且临近第二导风板50在处于前导风状态时朝后的一端(即B端)。
在一些实施例中，如图1至图3所示，可使第一导风板60的转动轴63位于第一导风板60在处于关闭状态时朝下的端部。这样一来，在第二导风板50处于前导风状态时，可将第一导风板60转动至与第二导风板50平行，或夹角小于180°的状态(如图2)，以便由第一导风板60对流出第二导风板50的气流进行进一步地上扬引导，增强上扬引导效果。此外，也可将第一导风板60转动至与第二导风板50的夹角大于180的状态(从图2所示状态继续逆时针转动)，以彻底让开出风口12的前侧通路，使第一导风板60不参与导风，完全由第二导风板50进行上扬导风，这样使气流阻力更小。
图4是本发明另一实施例的空调室内机在第一导风板60处于关闭状态，第二导风板50处于前导风状态时的示意图；图5是图4所示空调室内机在第一导风板60处于打开状态，第二导风板50处于前导风状态时的示意图；图6是图4所示空调室内机在第一导风板60处于关闭状态，第二导风板50处于下导风状态时的示意图。
如图4至图6所示，该实施例中，第一导风板60的转动轴63位于第一导风板60在处于关闭状态时的上下两端之间，且与出风口12的上边缘间隔设置。例如，使转动轴63位于第一导风板60的中央部位。这样一来，在第二导风板50处于前导风状态时，可将第一导风板60转动至与第二导风板50平行，或夹角小于180°的状态(如图5)，以便由第一导风板60对流出第二导风板50的气流进行进一步地上扬引导，提升上扬引导效果。此外，也可将第一导风板60转动至从后向前逐渐向下延伸的状态(从图5所示状态继续逆时针转动)，以便由第一导风板60将送风气流向前下方引导。
图7是本发明的空调室内机中第二导风板50的结构示意图；图8是图7所示第二导风板50的扬风板52与导风板本体51的尺寸关系示意图。
在一些实施例中，如图7所示，第二导风板50可包括导风板本体51和扬风部。导风板本体51作为第二导风板50的主体部分，安装于壳体10，用 于与壳体10实现可动地连接。转动轴53位于导风板本体51上。在第二导风板50处于前述前导风状态(参考图2)时，导风板本体51朝上的表面构成前述的导风面511，主要用于引导送风气流。扬风部形成于导风面511上，用于在第二导风板50处于前导风状态时，引导送风气流向前上方上偏斜流出，这便增大了送风气流的上扬角度，在空调制冷时，使冷风以更加接近竖直向上的角度向上吹出。
如图7所示，扬风部可包括与导风面511间隔设置的扬风板52。设导风板本体51在处于前导风状态时朝前和朝后的端部分别为第一端(A端)和第二端(B端)，如图2。在从第二端朝第一端的方向上(由B端指向A端的方向，在第二导风板50处于前导风状态时，该方向即送风气流的流动方向)，扬风板52与导风面511的间距逐渐增大，以顺畅地引导气流逐渐远离导风板本体51。
如图7所示，优选使扬风板52设置在导风板本体51的第一端(A端)处，以在送风气流临近脱离第二导风板50时对其进行重点的上扬引导，使其上扬吹出。此外，可使扬风板52的远离第二端的末端(E端)在导风板本体51上的投影落在导风面511之外。换言之，使导风板本体51的出风端(A端)相比扬风板52的末端(E端)朝导风板本体51的第二端(B端)缩进一段距离。还可以这样理解，在扬风板52的末端向导风板本体51的导风面511作垂线，垂足会落在导风面511的延长面上。这使得扬风板52相对于导风板本体51更加凸伸出来，利于其更大角度地扬风。
扬风部还可包括连接筋(未图示)，连接筋连接在导风板本体51与扬风板52之间，以实现两者在结构上的连接。扬风部与导风板本体51可为一体成型的整体件。
本发明实施例通过对扬风板52与导风板本体51的尺寸关系和相对位置关系进行优化设计，使其有更好的扬风效果。图8是图7所示第二导风板50的扬风板52与导风板本体51的尺寸关系示意图。
如图8所示，扬风板52可包括平板主体段521和连接在平板主体段521的更靠近导风板本体51的端部、且凸面朝向导风板本体51的弧形段522，弧形段522与平板主体段521平滑相接，用于更平滑、顺畅地将送风气流引导至平板主体段521上，由平板主体段521对送风气流进行上扬引导。
如图8所示，可使扬风板52的宽度(ED两端间距)与导风板本体51 的宽度(L 1)之比在0.3至0.35之间，优选为1/3。使扬风板52在导风面511的投影落在导风面511之外部分的宽度(L 2)与导风板本体51的宽度(L 1)之比在0.08至0.12之间，优选为0.1。扬风板52的扬风角度θ(送风气流从扬风板52吹出后流动方向与送风气流流入扬风板52表面之前流动方向的夹角)优选在25°至35°之间，一方面确保送风气流具有更好的上扬效果，同时避免扬风部扬风角度过大导致气流阻力过大。
在一些实施例中，如图2和图7所示，可使导风板本体51的背离导风面511的另一侧面512在临近第一端(A端)的区段处形成有流线型凸起部5121。在第二导风板50处于前导风状态时，部分送风气流从导风板本体51上侧与扬风板52之间向前流出，在这些送风气流的负压作用带动，以及流线型凸起部5121的引导下，导风板本体51下侧的常温空气可汇入送风气流中，形成一定的混风效果，提升了送风量，也使该部分气流温度更加接近室温，人体感受更加舒适。前文已述，空调室内机可包括风道40。风道40在壳体10内部连接出风口12，用于将送风气流引导至出风口12处。
本发明实施例中，第二导风板50处于前导风状态时具有多级扬风效果。具体地，扬风板52背离导风板本体51的表面(在此状态下为上表面)构成大仰角的翼面结构，气流经风机加速后平稳流动，通过扬风板52时，上层气流加速上扬，升力快速增加，推动整体气流流速增加，上吹角度加大，可在极短距离内快速达到较高的扬风角度和速度，形成第一级扬风(第一级扬风过程类似于航母上滑跃起飞的舰载机的起飞过程)，还可使扬风板52的延伸型线为阿基米德螺线，以加强第一级扬风效果。扬风板52与导风板本体51之间形成沿气流方向渐扩的通道，通道入口较窄，使气流以高速进入。通道面积逐渐增加，使气流通过时阻力降到最小，并且在气流通过后，依然保持较高风速。同时，出风角度在扬风板52的面对导风板本体51的表面(下表面)作用下逐渐上升，使得中层高速气流进一步上扬吹出通道，形成第二级扬风。送风气流经过第一级扬风和第二级扬风作用后，在导风板本体51的下侧，形成负压区。下层出风气流经负压吸引，改变方向，沿导风板本体51向上偏转，与中层的高速高压气流相汇合，形成整体引射聚合气流。下层气流的向上运动，形成第三级扬风。本发明通过三级扬风作用，制冷上吹气流逐级递进，层层上扬，形成整体的大角度上出风效果。
图9是图1所示空调室内机的风道的上壁41的形状示意图。
在一些实施例中，如图9所示，使风道40的上壁41包括从出风口12的上边缘处向后延伸的前平板段(ab段)、从前平板段(ab段)后端向后延伸的弧板段(bc段)、从弧板段(bc段)后端向后上方延伸的后平板段(cd段)、从后平板段(cd段)后端先向后再向上延伸的弧形过渡段(de段)和从弧形过渡段(de段)的上边缘向前上方延伸的上平板段(ef段)。通过对风道40的上壁41形状进行了特殊设计，靠近风机30的后平板段(cd段)为直线段，有利于保持风机出风稳定。中间的弧板段(bc段)可在流动阻力最小的情况下，扩大出风角度，改变出风方向，增加出风风量。风道的上壁41的最外段是前平板段(ab段)，可以水平，也可以有一定的向上倾斜角度，可使出风气流稳定，流动指向性更好。这种对于风道的上壁41形状的设计使得送风气流上扬吹送时，风量和气流稳定性更好。
发明人经研究发现，弧板段(bc段)的弧长L bc与前平板段(ab段)的长度L ab之比优选设置在1.5至2.5之间。后平板段(cd段)的长度L cd与前平板段(ab段)的长度L ab之比优选设置在0.3至0.6之间，可增强上述效果。
至此，本领域技术人员应认识到，虽然本文已详尽示出和描述了本发明的多个示例性实施例，但是，在不脱离本发明精神和范围的情况下，仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此，本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。

Claims (10)

  1. 一种空调室内机，包括：
    壳体，其开设有一朝向前下方的出风口；
    第一导风板和第二导风板，分别可转动地安装于所述出风口的前侧和下侧，以配合地开闭所述出风口，所述第二导风板配置成：
    可转动至位于所述出风口下侧且使其导风面朝上的前导风状态，以将送风气流向前方、前上方或前下方引导；以及
    可转动至位于所述出风口后侧且使所述导风面朝前的下导风状态，以将所述送风气流朝下方引导。
  2. 根据权利要求1所述的空调室内机，其中，
    所述第一导风板的转动轴位于所述第一导风板在处于关闭状态时朝下的端部。
  3. 根据权利要求1所述的空调室内机，其中，
    所述第一导风板的转动轴位于所述第一导风板在处于关闭状态时的上下两端之间，且与所述出风口的上边缘间隔设置。
  4. 根据权利要求1所述的空调室内机，其中，
    所述第二导风板在处于所述前导风状态朝后的端部可转动地安装于所述壳体，且其转动轴位于所述出风口的下边缘处。
  5. 根据权利要求1所述的空调室内机，其中，
    所述第一导风板的转动轴与所述第二导风板的转动轴相互平行。
  6. 根据权利要求1所述的空调室内机，其中所述第二导风板包括：
    导风板本体，其安装于所述壳体，在所述第二导风板处于所述前导风状态时，所述导风板本体朝上的表面构成所述导风面；和
    扬风部，形成于所述导风面上，用于在所述第二导风板处于所述前导风状态时，引导所述送风气流向前上方上偏斜流出。
  7. 根据权利要求6所述的空调室内机，其中，
    所述扬风部包括与所述导风面间隔设置的扬风板；
    设所述导风板本体在处于所述前导风状态时朝前和朝后的端部分别为第一端和第二端，在从所述第二端朝所述第一端的方向上，所述扬风板与所述导风面的间距逐渐增大。
  8. 根据权利要求7所述的空调室内机，其中，
    所述扬风板设置在所述导风板本体的所述第一端处；且
    所述扬风板的远离所述第二端的末端在所述导风板本体上的投影落在所述导风面之外。
  9. 根据权利要求7所述的空调室内机，其中，
    所述导风板本体的背离所述导风面的另一侧面在临近所述第一端的区段处形成有流线型凸起部。
  10. 根据权利要求1所述的空调室内机，还包括：
    风道，在所述壳体内部连接所述出风口，用于将所述送风气流引导至所述出风口处；且
    所述风道的上壁包括从所述出风口的上边缘处向后延伸的前平板段、从所述前平板段后端向后延伸的弧板段、从所述弧板段后端向后上方延伸的后平板段、从所述后平板段后端先向后再向上延伸的弧形过渡段和从所述弧形过渡段的上边缘向前上方延伸的上平板段。
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