WO2021169403A1 - 壁挂式空调室内机及其导风板 - Google Patents

壁挂式空调室内机及其导风板 Download PDF

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Publication number
WO2021169403A1
WO2021169403A1 PCT/CN2020/127858 CN2020127858W WO2021169403A1 WO 2021169403 A1 WO2021169403 A1 WO 2021169403A1 CN 2020127858 W CN2020127858 W CN 2020127858W WO 2021169403 A1 WO2021169403 A1 WO 2021169403A1
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WIPO (PCT)
Prior art keywords
air
wind deflector
wind
blowing
deflector
Prior art date
Application number
PCT/CN2020/127858
Other languages
English (en)
French (fr)
Inventor
李英舒
闫宝升
吴丽琴
王永涛
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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Publication date
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 WO2021169403A1 publication Critical patent/WO2021169403A1/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
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—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
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • 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
    • F24F13/20—Casings or covers
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/247—Active noise-suppression

Definitions

  • the invention relates to the technical field of air conditioning, in particular to a wall-mounted air conditioner indoor unit and a wind guide plate thereof.
  • the object of the present invention is to provide a wall-mounted air conditioner indoor unit and its wind deflector which overcomes the above-mentioned problems or at least partially solves the above-mentioned problems.
  • the purpose of the present invention is to enable the wind deflector to have the function of guiding wind and the function of diversion and mixing, so as to make the air flow more comfortable.
  • the further purpose of the present invention is to make the wind deflector have the function of raising wind, so as to realize the upward blowing of cold wind.
  • the present invention provides a wind deflector for a wall-mounted air conditioner indoor unit, including:
  • the air deflector body is used to be installed at the air outlet of the indoor unit of the wall-mounted air conditioner, and the air deflector is opened on the first side and the second side of the air outlet;
  • the air blowing plate extends from the first side toward the first end of the air deflector body and gradually away from the first side.
  • the airflow of the supply air changes the direction of the air flow when flowing through the wind plate, and a negative pressure is formed at the first side to drive the other body of the wind deflector.
  • the ambient air on one side merges into the supply air flow through the drainage port;
  • the air blowing plate is provided with an overflow opening to allow part of the ambient air to flow into the supply air flow through the drainage opening and the overflow opening in sequence.
  • the end of the blowing plate extends beyond the drainage port to define a drainage channel communicating with the drainage port with the first side surface.
  • the drainage port is cylindrical and gradually extends obliquely toward the first end in the direction from the first side surface to the second side surface; or the drainage port is truncated cone shape and extends in the direction from the first side surface to the second side surface.
  • the inner diameter extends gradually.
  • the wind deflector further includes a plurality of connecting ribs arranged at intervals along the length direction of the wind deflector body, and each connecting rib connects the wind deflector and the wind deflector body.
  • the projection of the wind deflector on the first side surface is located within the scope of the body of the wind deflector.
  • the wind deflector body is an arc-shaped plate whose first side surface is concave and the central axis is parallel to the length of the wind deflector body; the wind deflector is a central axis parallel to the central axis of the wind deflector body and convex The arc-shaped plate facing the wind deflector body; and the angle between the tangent at the first end position of the wind deflector body and the tangent at the end position of the wind deflector is between 25° and 35°.
  • the number of the wind board is one, and the two ends of the length direction are close to the two ends of the length direction of the wind deflector body; Arranged at intervals in the length direction.
  • each air-raising plate corresponds to a drainage opening; each drainage opening is a single opening; or each drainage opening includes a plurality of sub drainage openings arranged at intervals.
  • the present invention also provides a wall-mounted air conditioner indoor unit, comprising: a housing with an air outlet; and a wind deflector, which is the wind deflector according to any one of the above, and the wind deflector The body is installed at the air outlet.
  • the wall-mounted air conditioner indoor unit is configured such that the air deflector shown can be moved to an upward blowing position where the first side faces upward and the first end faces forward, so that the first side And the blowing board guide the blowing air flow upwards; or moving the shown air guiding board to a position in front of the blowing air flow, with the first side facing back and the first end facing upwards, so that the blowing board and The first side guides the supply air flow downwards.
  • the wind deflector of the present invention has the function of air mixing.
  • the air blowing plate changes the flow direction of the air supply airflow and keeps it away from the first side surface of the air deflector body, so that the first side The airflow density becomes smaller, forming a negative pressure.
  • the ambient air on the other side of the air deflector body (the side facing the second side of the air deflector body) enters the negative pressure area through the drainage openings opened on the air deflector body. Then it merges into the supply air flow, forming a mixed air effect.
  • the mixing of ambient air can appropriately increase the temperature of the supply air flow; when the air conditioning is heating, the mixing of ambient air can appropriately reduce the temperature of the supply air flow, which makes the supply air flow more comfortable.
  • the invention realizes the air mixing function only by opening an opening on the air deflector body and adding a wind blowing plate, the design is very clever, the structure is very simple, and the cost is low. Moreover, other structures of the wall-mounted air conditioner indoor unit do not need to be modified, which is very conducive to mass production and promotion.
  • the blowing airflow can be blown up and out under the action of the blowing board, which not only creates a negative pressure area, but also makes the upward blowing angle of the blowing airflow (upward outflow direction and The vertical angle) is smaller to better avoid the human body.
  • the wind deflector of the present invention makes the end of the wind deflector in the direction of the air flow beyond the drainage port to define a drainage channel communicating with the drainage port with the first side surface, which can guide the flow direction of the ambient air to make it and
  • the angle of the supply air flow is smaller, so that the mixing of the two is softer, and the ambient air is prevented from directly passing through the drainage port and entering the supply air flow vertically, causing problems such as excessive noise.
  • the wall-mounted air conditioner indoor unit of the present invention has the wind deflector having an upward blowing position and a downward blowing position.
  • the air deflector can be adjusted to the upward blowing position.
  • the airflow from the first side of the air deflector body will blow up and mix with the ambient air, and the low-temperature airflow will scatter down after reaching the highest point, realizing one A "shower-style" refrigeration experience.
  • the wind deflector can be adjusted to the downward blowing position, and the first side of the wind deflector body will guide the airflow nearly vertically downwards, reaching the bottom surface, realizing the heating and foot warming experience.
  • a small amount of airflow that flows between the air blowing plate and the air deflector body can also be blown downwards through the drainage port to form a "plume airflow", which prevents airflow from accumulating between the air blowing plate and the air deflector body.
  • Fig. 1 is a schematic structural diagram of a wind deflector according to an embodiment of the present invention
  • Fig. 2 is an enlarged view of M position of the air deflector shown in Fig. 1;
  • Fig. 3 is a schematic diagram of another view of the wind deflector shown in Fig. 1;
  • Figure 4 is a cross-sectional view of the wind deflector shown in Figure 1;
  • FIG. 5 is a schematic diagram of the wall-mounted air conditioner indoor unit of an embodiment of the present invention when the wind deflector is in the upward blowing position;
  • FIG. 6 is a schematic diagram of the state of the wall-mounted air conditioner indoor unit shown in FIG. 4 when the wind deflector is in the downward blowing position;
  • Fig. 7 is a schematic structural diagram of a wind deflector according to another embodiment of the present invention.
  • Fig. 8 is an enlarged view of position N of the air deflector shown in Fig. 7;
  • Fig. 9 is a schematic view of another view of the wind deflector shown in Fig. 7;
  • Fig. 10 is a cross-sectional view of the wind deflector shown in Fig. 7.
  • FIG. 1 is a schematic diagram of the structure of a wind deflector according to an embodiment of the present invention
  • Fig. 2 is an enlarged view of M position of the wind deflector shown in Fig. 1
  • Fig. 3 is a schematic diagram of another view of the wind deflector shown in Fig. 1
  • Fig. 4 It is a cross-sectional view of the wind deflector shown in FIG. 1
  • FIG. 5 is a schematic diagram of the wall-mounted air conditioner indoor unit according to an embodiment of the present invention when the wind deflector is in the upward blowing position.
  • the solid arrows in each figure indicate the wind direction of the supply air flow, and the hollow arrows indicate the direction in which the ambient air enters.
  • the wind deflector 50 of the embodiment of the present invention may generally include a wind deflector body 51 and one or more wind deflectors 52.
  • the air deflector body 51 is used to be installed at the air outlet 12 of the housing 10 of the wall-mounted air conditioner indoor unit.
  • the function of the air deflector 50 is to open and close the air outlet 12 and can also be used to adjust the air outlet angle of the air outlet 12.
  • the air flow blown out from the inside of the housing 10 through the air outlet 12 is a blowing air flow.
  • the air conditioner is cooling, the supply air flow is cold air; when the air conditioner is heating, the supply air flow is hot air.
  • the air deflector body 51 is a long plate shape and has two side surfaces, a first side surface 511 and a second side surface 512.
  • the two ends of the wind deflector body 51 in the width direction are respectively a first end (A end) and a second end (B end).
  • the air guide body 51 is provided with a drainage port 515 penetrating through the first side surface 511 and the second side surface 512.
  • the air blowing plate 52 starts from the first side surface 511, extends toward the first end (end A) of the air deflector body 51 and gradually away from the first side surface 511, and the initial end is closer to the air deflector relative to the drainage port 515 The second end (end B) of the body 51.
  • the air deflector 50 When the air deflector 50 is positioned with the first side 511 facing upwards and the first end (end A) facing forward (when the wall-mounted air conditioner indoor unit is normally installed, the side against the wall is the back side, and the side away from the wall is The front side, thus defining the front and rear direction) position, the air flow blown from the air outlet 12 changes the direction of the air flow when flowing through the air blowing plate 52, and a negative pressure is formed at the first side surface 511 to drive the air guide
  • the ambient air on the other side of the board body 51 that is, the side facing the second side surface 512 merges into the supply air flow through the drainage port 515, refer to FIG. 5.
  • the blowing airflow gradually moves away from the first side surface 511, which makes the airflow density at the first side surface 511 of the air deflector body 51 smaller, forming a negative pressure area (in Figure 5).
  • the S1 area roughly represents the negative pressure area range).
  • the ambient air on the second side of the air deflector body 51 enters the negative pressure area through the drainage port 515 opened on the air deflector body 51, and then merges into the airflow to form a mixed air effect. .
  • the mixing of ambient air into the supply air flow can appropriately increase the temperature of the supply air flow; when the air conditioning is heating, the mixing of ambient air can appropriately reduce the temperature of the supply air flow, which makes the supply air flow more comfortable and realizes Comfortable air supply for air conditioning.
  • the air blowing plate 52 is provided with an overflow opening 525 to allow part of the ambient air to flow into the supply air flow through the drainage opening 515 and the overflow opening 525 in sequence. That is, due to the faster flow rate on the surface of the air blowing plate 52, the air pressure is lower than the internal air pressure of the overflow port 525, forming a negative pressure area S2. After the ambient air enters the drainage port 515, part of it will also flow into the air supply through the overflow port 525. Airflow, which makes the volume of mixed air further increased.
  • the ratio of the width of the overflow opening 525 to the width of the blowing plate 52 (referring to the distance between the starting end and the end of the extension) can be between 1/3 and 1/2 to avoid overcurrent. Excessive mouth affects the effect of raising wind.
  • the overflow opening 525 can be arranged at a half part close to the starting end of the blowing plate 52 so as to be directly opposite to the drainage opening 515 to facilitate ambient air entering the overflow opening 525 from the drainage opening 515.
  • the present invention realizes the air mixing function only by opening the air guide plate 50 and adding an air blowing plate 52, the design is very clever, the structure is very simple, and the cost is low. Moreover, other structures of the wall-mounted air conditioner indoor unit do not need to be modified, which is very conducive to mass production and promotion.
  • the indoor function of the wall-mounted air conditioner can take into account the air outlet angle and the air volume.
  • the air deflector guide the cold air to blow out vertically upwards as much as possible.
  • the air deflector of the traditional wall-mounted air conditioner indoor unit rotates to the upper blowing angle close to the limit, the angle between the air deflector and the plane where the air outlet is located is too small, that is, the opening is very small (the opening of the air deflector refers to It is the degree of opening the air outlet.
  • the opening When the air deflector completely closes the air outlet, the opening is zero. When the air deflector fully opens the air outlet (refer to Figure 5), the opening is 100%, and the wind is the smoothest). The wind panel will seriously block the air outlet, and the air volume will become very small. This limits the range of the wind guide angle of the wind deflector. Especially when the wind is directed vertically, it is difficult to balance the angle of the wind and the air volume.
  • the wind raising plate 52 can guide the wind upward. Therefore, during the cooling operation of the indoor unit of the wall-mounted air conditioner, there is no need to rotate the air deflector body 51 to a state that is too close to the vertical (that is, close to the state where the air outlet is closed), so as to ensure that the air deflector 50 has a sufficiently large opening. Avoid the air volume from being affected. In this way, the wall-mounted air conditioner indoor unit takes into account both the blowing angle and the air volume.
  • the end (E end) of the air blowing plate 52 can be made to extend beyond the drainage opening 515 (referring to the D end that exceeds the drainage opening 515 and is close to the first end of the air guiding plate body 51) to be in line with the first end of the air guiding plate body 51.
  • the side surface 511 defines a drainage channel 516 communicating with the drainage port 515.
  • the drainage channel 516 can guide the flow direction of the ambient air so that when it merges with the supply air flow, the angle between the two air flows is smaller and the mixing is softer.
  • the projection of the air blowing plate 52 on the first side surface 511 can be located within the range of the air guiding plate body 51.
  • the end (end E) of the wind deflector 52 is retracted from the first end (end A) of the wind deflector body 51 toward the second end (end B) of the wind deflector body by a certain distance.
  • a vertical line is drawn at the end (E end) of the wind deflector 52 on the first side surface 511 of the wind deflector body 51, and the vertical foot will fall on the first side surface 511 itself instead of on the extended surface of the first side surface 511. .
  • the section of the air deflector body 51 protruding from the air blowing plate 52 can guide and block the ambient air flowing out of the drainage channel 516 to a certain extent, so that it can better mix with the air flow.
  • the air blowing plate 52 contacts the upper edge of the air outlet 12 when the air guiding plate body 51 closes the air outlet 12.
  • the air blowing plate 52 may not completely cover the drainage port 515.
  • the wind deflector 50 also includes a plurality of connecting ribs 522 arranged at intervals along the length direction of the wind deflector body 51 (parallel to the x-axis direction in FIG.
  • the wind panel 52 and the wind deflector body 51 are structurally connected.
  • the connecting ribs 522 divide the drainage channel 516 into a plurality of sub-channels, split the ambient air, and make the air flow softer.
  • the air blowing plate 52, the connecting ribs 522, and the air deflector body 51 can be formed as an integral piece to facilitate processing.
  • Two of the plurality of connecting ribs 522 can be connected between the two ends of the wind deflector body 51 along the length of the wind deflector body 51 and the first side surface 511 to close the two ends of the wind deflector 52 and the first side surface 511.
  • the spacing between the side surfaces 511 can prevent airflow from flowing along the length of the air deflector body 51, thereby avoiding unfavorable eddy currents and noise.
  • the air deflector body 51 can be installed on the air outlet 12 to extend horizontally in the longitudinal direction.
  • the wind deflector body 51 can be an arc-shaped plate whose first side surface 511 is concave and the central axis is parallel to the longitudinal direction of the wind deflector body 51.
  • the wind deflector 52 is a central axis parallel to the center of the wind deflector body 51. The axis and the convex surface face the arc-shaped plate of the wind deflector body 51 to better guide the air flow upward.
  • the angle between the tangent (tangent to the arc) at the first end (end A) of the air deflector body 51 and the tangent (tangent to the arc) at the end (end E) of the wind deflector 52 is ⁇ .
  • the turning angle of the wind direction is too large and the wind resistance is too large.
  • the most preferred range of this angle is between 25° and 35°.
  • ⁇ is preferably 30°.
  • Fig. 7 is a schematic structural diagram of a wind deflector according to another embodiment of the present invention
  • Fig. 8 is an enlarged view of the N position of the wind deflector shown in Fig. 7
  • Fig. 9 is a schematic diagram of another perspective of the wind deflector shown in Fig. 7
  • 10 is a cross-sectional view of the wind deflector shown in FIG. 7.
  • the main difference between the wind deflector of the embodiment shown in FIGS. 7 to 9 and the wind deflector of the embodiment shown in FIGS. 1 to 6 lies in the shape of the air intake, the number of air plates, and the structure of the air intake.
  • the drainage port 515 can be cylindrical, and gradually extends obliquely from the first side surface 511 to the second side surface 512 toward the first end (end A) of the air deflector body 51, as shown in FIG.
  • the angle between the flow direction of the incoming ambient air and the flow direction of the supply air flow is an obtuse angle, which makes the two air flows flow in opposite directions, and the mixing effect is stronger.
  • the drainage port 515 can also be made into a truncated cone shape, and the inner diameter of the drainage port 515 can be tapered from the first side surface 511 to the second side surface 512. That is, along the flow direction of the ambient air, the drainage port gradually expands, which is beneficial for the ambient air to be more smoothly mixed into the blowing air flow.
  • the number of the blowing plate 52 is one, and the blowing plate 52 is also elongated, and both ends in the longitudinal direction are close to the two ends in the longitudinal direction of the air deflector body 51. That is, the length of the wind deflector 52 is equal to or substantially equal to the length of the wind deflector body 51, so that the wind mixing effect and the wind effect are present everywhere in the length direction of the wind deflector body 51.
  • the number of the wind blowing plate 52 may be multiple, and the plurality of wind blowing plates 52 may be arranged at intervals along the length direction of the wind deflector body 51.
  • two wind-raising plates 52 are provided.
  • the two air blowing plates 52 can be respectively located on two 1/2 sections in the length direction of the air guiding plate body 51. This arrangement allows a part of the wind deflector body 51 to carry out the blowing process, and the interval between adjacent wind deflectors 52 does not raise the wind, so that the vertical direction of the interval is the same as that of the wind deflector 52.
  • the upper and lower air outlet directions are different, so that the entire wind deflector forms a dislocation effect in the upper and lower directions, which expands the air outlet range.
  • Each wind-raising plate 52 can correspond to a drainage port 515.
  • Each drainage port 515 can be a single opening, as shown in Figure 1.
  • each drainage port 515 includes a plurality of sub-drainage ports 5151 arranged at intervals, as shown in FIG. 7, so that the appearance of the wind deflector 50 can be more beautiful.
  • the invention also provides a wall-mounted air conditioner indoor unit.
  • Figure 5 is a schematic diagram of the wall-mounted air conditioner indoor unit of an embodiment of the present invention when the air deflector is in the upward blowing position;
  • Figure 6 is a schematic diagram of the wall-mounted air conditioner indoor unit shown in Figure 4 when the air deflector is in the downward blowing position .
  • the wall-mounted air conditioner indoor unit of the embodiment of the present invention may generally include a housing 10 and the wind deflector 50 of any of the above-mentioned embodiments.
  • the housing 10 is provided with an air inlet (not shown) and an air outlet 12.
  • the air deflector body 51 of the air deflector 50 is movably installed at the air outlet 12.
  • the wall-mounted air conditioner indoor unit may include an evaporator (not shown), a fan 30 and an air duct 40.
  • the evaporator is used to exchange heat with the air entering the housing 10 from the air inlet to form a blowing air flow (specifically, cold air during cooling and hot air during heating).
  • the inlet of the air duct 40 faces the evaporator, 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 to the air outlet 12.
  • the air duct 40 may be an end diffused air duct as shown in FIG. 5, and this type of air duct can achieve low pressure loss and large air volume.
  • the air deflector body 51 can be rotated around a fixed axis parallel to its length (ie, rotate around a fixed axis) to open and close the air outlet 12 and guide the air outlet direction of the air outlet 12.
  • the air deflector body 51 can also be able to perform a plane motion, that is, a compound movement that combines rotation and translation motion, so that the air deflector body 51 has more adjustment positions.
  • the housing 10 may be provided with a driving mechanism including a motor and a movement mechanism.
  • a rotating arm can be connected to the air deflector body 51, and the rotating arm is connected to the driving mechanism to drive the air deflector body 51 to realize the aforementioned planar movement.
  • the driving mechanism that can carry the animal body to realize planar motion is relatively common in the prior art, and will not be repeated here.
  • the wind deflector 50 can be moved to the upward blowing position where the first side surface 511 faces upward and the first end (end A) faces forward, so that the first side surface 511 and the air blowing plate 52 Guide the supply air flow upwards, as shown in Figure 5.
  • the air deflector 50 can be adjusted to the aforementioned upward blowing position, and the airflow from the first side 511 of the air deflector body 51 is blown up and mixed with the ambient air, and the low-temperature airflow reaches the highest Scatter down after clicking, realizing a "shower-like" refrigeration experience.
  • the air deflector 50 can be moved to the downward blowing position where the first side surface 511 faces backward and the first end (end A) faces upward, so as to be guided by the air deflector 52 and the first side surface 511.
  • the wind blows downwards, as shown in Figure 6.
  • the wind deflector 50 can be adjusted to the downward blowing position, and the first side surface 511 of the wind deflector body 51 will guide the blowing air flow close to the vertical downwards, reaching the bottom surface to achieve heating and heating. Foot experience.
  • a small amount of airflow flowing between the air blowing plate 52 and the air deflector body 51 can also be blown downwards through the suction port 515 to form a "plume airflow", which prevents airflow from accumulating on the air blowing plate 52 and the air deflector body 51. between.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

一种壁挂式空调室内机及其导风板。导风板（50）包括导风板本体（51），用于安装于壁挂式空调室内机的出风口（12）处，其上开设有贯穿其第一侧面（511）和第二侧面（512）的引流口（515）；和扬风板（52），从第一侧面（511）起始朝导风板本体（51）的第一端方向且逐渐远离第一侧面（511）地延伸出，且起始端相对引流口（515）更接近导风板本体（51）的第二端，以在导风板（50）处于使第一侧面（511）朝上且第一端朝前的位置时，使送风气流在流经扬风板（52）时改变气流方向，在第一侧面（511）处形成负压，以带动导风板本体（51）另一侧的环境空气经引流口（515）汇入送风气流；且扬风板（52）上开设有过流口（525），以允许部分环境空气依次经引流口（515）和过流口（525）汇入送风气流。该导风板（50）具有导风功能和引流混风功能，以使送风气流更加舒适。

Description

壁挂式空调室内机及其导风板 技术领域
本发明涉及空气调节技术领域，特别涉及一种壁挂式空调室内机及其导风板。
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壁挂式空调室内机及其导风板。
本发明的目的是要使导风板具有导风功能和引流混风功能，以使送风气流更加舒适。
本发明的进一步的目的是使导风板具有扬风功能，以实现冷风上扬吹出。
一方面，本发明提供了一种用于壁挂式空调室内机的导风板，包括：
导风板本体，用于安装于壁挂式空调室内机的出风口处，其上开设有贯穿其第一侧面和第二侧面的引流口；和
扬风板，从第一侧面起始朝导风板本体的第一端方向且逐渐远离第一侧面地延伸出，且起始端相对引流口更接近导风板本体的第二端，以在导风板处于使第一侧面朝上且第一端朝前的位置时，使送风气流在流经扬风板时改变气流方向，在第一侧面处形成负压，以带动导风板本体另一侧的环境空气经引流口汇入送风气流；且
扬风板上开设有过流口，以允许部分环境空气依次经引流口和过流口汇入送风气流。
可选地，扬风板的末端超出引流口，以与第一侧面限定出与引流口连通的引流通道。
可选地，引流口为柱形，且从第一侧面至第二侧面的方向上逐渐朝第一端倾斜延伸；或引流口为截锥形，且从第一侧面至第二侧面的方向上内径渐缩地延伸。
可选地，导风板还包括：多个连接筋，其沿导风板本体的长度方向间隔排列，每个连接筋连接扬风板和导风板本体。
可选地，扬风板在第一侧面的投影位于导风板本体的范围内。
可选地，导风板本体为使第一侧面为凹面，且中心轴线平行于导风板本体长度方向的弧形板；扬风板为中心轴线平行于导风板本体的中心轴线，且凸面朝向导风板本体的弧形板；且导风板本体的第一端位置的切线与扬风板的末端位置的切线的夹角在25°至35°之间。
可选地，扬风板的数量为一个，其长度方向的两端靠近导风板本体的长度方向的两端；或扬风板的数量为多个，多个扬风板沿导风板本体的长度方向间隔排列。
可选地，每个扬风板对应一个引流口；每个引流口为单个开口；或每个引流口包括间隔排列的多个子引流口。
另一方面，本发明还提供了一种壁挂式空调室内机，包括：壳体，其开设有出风口；和导风板，其为根据以上任一项所述的导风板，导风板本体安装于出风口处。
可选地，壁挂式空调室内机配置成：可使所示导风板运动至位于送风气流下方，且使第一侧面朝上、第一端朝前的上吹位置，以便由第一侧面和扬风板引导送风气流向上吹出；或使所示导风板运动至位于送风气流前方，且使第一侧面朝后、第一端朝上的下吹位置，以便由扬风板和第一侧面引导送风气流向下吹出。
本发明的导风板具有混风功能。在送风气流流经导风板本体的第一侧面时，扬风板改变了送风气流的流动方向，使其远离导风板本体的第一侧面，从而使导风板本体第一侧面处气流密度变小，形成负压。在负压区域的吸引下，导风板本体的另一侧(导风板本体的第二侧面所面对的一侧)的环境空气通过导风板本体上开设的引流口进入负压区域，随即汇入送风气流，形成混风效应。在空调制冷时，环境空气的混入能适当提升送风气流的温度；在 空调制热时，环境空气的混入能适当降低送风气流的温度，这都使送风气流更加舒适。
此外，环境空气进入引流口后，其中一部分还会通过扬风板上的过流口汇入送风气流，这使得混风量进一步提升。
本发明仅通过在导风板本体上开口，并增设一个扬风板就实现了混风功能，设计非常巧妙，结构非常简单，成本较低。而且，壁挂式空调室内机的其他结构不需要改动，非常利于量产推广。
进一步地，本发明导风板进行导风时，可使送风气流在扬风板的作用下上扬吹出，既生成了负压区域，又使送风气流的上吹角度(向上出风方向与竖直方向的夹角)更小，以更好地避开人体。
进一步地，本发明的导风板使扬风板沿气流方向的末端超出引流口，以与第一侧面限定出与引流口连通的引流通道，可对环境空气的流动方向进行引导，使其与送风气流的夹角更小，使两者混合地更加柔和，避免环境空气直接通过引流口，垂直地进入送风气流内，引发噪音过大等问题。
进一步地，本发明的壁挂式空调室内机使导风板具有上吹位置和下吹位置。空调制冷时，可将导风板调节至上吹位置，由导风板本体的第一侧面将送风气流上扬吹出并与环境空气混合，低温的送风气流达到最高点后向下散落，实现一种“淋浴式”制冷体验。空调制热时，可将导风板调节至下吹位置，由导风板本体的第一侧面将送风气流以接近竖直向下地引导，直达底面，实现制热暖足体验。并且，少量流入扬风板与导风板本体之间的送风气流也可经引流口向下吹出形成“羽气流”，避免了气流囤积在扬风板与导风板本体之间。
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导风板的结构示意图；
图2是图1所示导风板的M处放大图；
图3是图1所示导风板的另一视角示意图；
图4是图1所示导风板的剖视图；
图5是本发明一个实施例的壁挂式空调室内机在导风板处于上吹位置时的示意图；
图6是图4所示壁挂式空调室内机在导风板处于下吹位置时的状态示意图；
图7是本发明另一实施例的导风板的结构示意图；
图8是图7所示导风板的N处放大图；
图9是图7所示导风板的另一视角示意图；
图10是图7所示导风板的剖视图。
具体实施方式
图1是本发明一个实施例的导风板的结构示意图；图2是图1所示导风板的M处放大图；图3是图1所示导风板的另一视角示意图；图4是图1所示导风板的剖视图；图5是本发明一个实施例的壁挂式空调室内机在导风板处于上吹位置时的示意图。各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。
如图1至图5所示，本发明实施例的导风板50一般性地可包括导风板本体51以及一个或多个扬风板52。导风板本体51用于安装在壁挂式空调室内机的壳体10的出风口12处。导风板50的作用是打开、关闭出风口12，还可以用于调节出风口12的出风角度。从壳体10的内部经出风口12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。导风板本体51为长条板状，其具有两个侧面，第一侧面511和第二侧面512。导风板本体51在宽度方向上的两端分别为第一端(A端)和第二端(B端)。导风板本体51上开设有贯穿第一侧面511和第二侧面512的引流口515。
扬风板52从第一侧面511起始，朝导风板本体51的第一端(A端)方向且逐渐远离第一侧面511地延伸出，且起始端相对引流口515更接近导风板本体51的第二端(B端)。在导风板50处于使第一侧面511朝上且第一端(A端)朝前(壁挂式空调室内机正常安装时，其靠墙的一侧为后侧，远离墙面的一侧为前侧，由此定义出前后方向)的位置时，使由出风口12吹 出的送风气流在流经扬风板52时改变气流方向，在第一侧面511处形成负压，以带动导风板本体51另一侧(即第二侧面512所在面对的一侧)的环境空气经引流口515汇入送风气流，参考图5。
也就是说，在扬风板52的引导下，送风气流逐渐远离第一侧面511，这就使导风板本体51第一侧面511处气流密度变小，形成负压区域(图5中的S1区域大致表示该负压区域范围)。在负压区域的吸引下，导风板本体51的第二侧的环境空气通过导风板本体51上开设的引流口515进入负压区域，然后汇入到送风气流中，形成混风效应。在空调制冷时，环境空气混入送风气流能适当提升送风气流的温度；在空调制热时，环境空气的混入能适当降低送风气流的温度，这都使送风气流更加舒适，实现了空调的舒适送风。
如图1至图5所示，扬风板52上开设有过流口525，以允许部分环境空气依次经引流口515和过流口525汇入送风气流。即，扬风板52表面由于流速较快，气压低于过流口525的内部气压，形成负压区域S2，环境空气进入引流口515后，其中一部分还会通过过流口525汇入送风气流，这使得混风量进一步提升。
例如，可使过流口525的宽度与扬风板52的宽度(指的是从其延伸起始端至末端之间的距离)之比在1/3至1/2之间，以避免过流口过大影响扬风效果。过流口525可设置在靠近扬风板52的起始端的半部，以便与引流口515位置正相对，便于环境空气从引流口515进入过流口525。
本发明仅通过在导风板50上开口并增设一个扬风板52就实现了混风功能，设计非常巧妙，结构非常简单，成本较低。而且，壁挂式空调室内机的其他结构不需要改动，非常利于量产推广。
在导风板50处于上吹位置时(如图5)，壁挂式空调室内机能兼顾出风角度和风量。例如，为了提升送风舒适性，在壁挂式空调室内机制冷时，通常希望导风板引导冷风尽量竖直向上地吹出。但是，传统壁挂式空调室内机的导风板在转动至接近极限的上吹角度时，导风板与出风口所在平面的夹角太小，即开度很小(导风板的开度指的是其打开出风口的程度，导风板完全关闭出风口时，开度为零。导风板完全打开出风口时(参考图5)，开度为100％，出风最为顺畅)，导风板将严重遮挡出风口，风量变得很小。这就限制了导风板的导风角度范围。特别是在竖向导风时，难以兼顾导风角度和风量。
本发明实施例中，扬风板52可将风上扬引导。所以，在壁挂式空调室内机制冷运行时，无需将导风板本体51转动至过于接近竖直的状态(即接近关闭出风口的状态)，这样保证导风板50有足够大的开度，避免风量受到影响。由此而言，壁挂式空调室内机兼顾了送风角度和风量。
如图4所示，可使扬风板52的末端(E端)超出引流口515(指的是超过引流口515的靠近导风板本体51的第一端的D端)，以与第一侧面511限定出与引流口515连通的引流通道516。引流通道516能对环境空气的流动方向进行引导，使其与送风气流汇合时，两股气流的夹角更小，混合地更加柔和。
可使扬风板52在第一侧面511的投影位于导风板本体51的范围内。换言之，使扬风板52的末端(E端)相比于导风板本体51的第一端(A端)朝导风板本体的第二端(B端)方向缩进一段距离。还可以这样理解，在扬风板52的末端(E端)向导风板本体51的第一侧面511作垂线，垂足会落在第一侧面511本身而非第一侧面511的延长面上。这样可使导风板本体51凸出扬风板52的区段对引流通道516流出的环境空气进行一定地引导和阻挡，使其更好地与送风气流混合。此外，也可避免在导风板本体51在关闭出风口12时，使扬风板52与出风口12的上边缘接触。
在一些替代性实施例中，也可使扬风板52并不完全覆盖引流口515。
如图1至图3所示，导风板50还包括多个沿导风板本体51的长度方向(平行于图1的x轴方向)间隔排列的连接筋522，每个连接筋522连接扬风板52和导风板本体51，以实现结构上的连接。此外，连接筋522将引流通道516分隔成多个子通道，对环境空气进行了拆分，使气流更加柔和。可使扬风板52、连接筋522与导风板本体51为一体成型的整体件，以便于加工制作。
可使多个连接筋522中的两个连接在扬风板52的沿导风板本体51长度方向的两端与第一侧面511之间，以封闭扬风板52的该两端与第一侧面511之间的间隔，这样可避免气流沿着导风板本体51的长度方向流动，从而避免出现不利的涡流和噪音。
如图1至图4所示，可使导风板本体51以长度方向水平延伸地安装于出风口12。可使导风板本体51为使第一侧面511为凹面，且中心轴线平行于导风板本体51的长度方向的弧形板，扬风板52为中心轴线平行于导风板 本体51的中心轴线，且凸面朝向导风板本体51的弧形板，以更好地送风气流上扬引导。
导风板本体51的第一端(A端)处的切线(弧面的切线)与扬风板52的末端(E端)处的切线(弧面的切线)的夹角为θ。发明人经研究发现，该角度过小将使扬风效果角度不够，太大将使送风气流从第一侧面511表面流至扬风板52表面时，风向转折角度过大，使风阻过大。该角度的最优选范围为25°至35°之间。θ优选为30°。
图7是本发明另一实施例的导风板的结构示意图；图8是图7所示导风板的N处放大图；图9是图7所示导风板的另一视角示意图；图10是图7所示导风板的剖视图。
图7至图9所示实施例的导风板与图1至图6所示实施例的导风板的主要区别在于引流口的形状、扬风板的数量以及引流口的结构。
引流口515可为柱形，且从第一侧面511至第二侧面512的方向上逐渐朝导风板本体51的第一端(A端)倾斜延伸，如图4，这使得经过流口525汇入的环境空气的流向与送风气流的流向夹角为钝角，这使得两股气流相向流动，混合效果更强。
或者，如图10所示，也可使引流口515为截锥形，且从第一侧面511至第二侧面512的方向上内径渐缩地延伸。即，沿着环境空气的流动方向，引流口渐扩，这利于环境空气更顺畅其混入送风气流。
如图1至图4所示，扬风板52的数量为一个，扬风板52也为长条状，其长度方向的两端靠近导风板本体51的长度方向的两端。即，扬风板52的长度等于或者大致等于导风板本体51的长度，以使导风板本体51的长度方向的各处均有混风效应和扬风效应。
或者，可使扬风板52的数量为多个，多个扬风板52沿导风板本体51的长度方向间隔排列。例如图7至图10所示，设置两个扬风板52。可使两个扬风板52分别位于导风板本体51的长度方向的两个1/2区段上。如此设置可使导风板本体51的部分区域进行扬风过程，相邻扬风板52之间的间隔区域不进行扬风，使得该间隔区域的上下方向的出风方向与设置扬风板52处的上下出风方向不同，使得整个导风板形成一种在上下方向上的错位出风效果，扩大了出风范围。
可使每个扬风板52对应一个引流口515。可使每个引流口515为单个开 口，如图1。或者，使每个引流口515包括间隔排列的多个子引流口5151，如图7，这样可使导风板50的外观更加美观。
本发明还提供了一种壁挂式空调室内机。图5是本发明一个实施例的壁挂式空调室内机在导风板处于上吹位置时的示意图；图6是图4所示壁挂式空调室内机在导风板处于下吹位置时的状态示意图。
如图5所示，本发明实施例的壁挂式空调室内机一般性地可包括壳体10以及上述任一实施例的导风板50。壳体10上设置有进风口(未图示)和出风口12。导风板50的导风板本体51可动地安装在出风口12处。
如图5所示，壁挂式空调室内机可包括蒸发器(未图示)、风机30、风道40。蒸发器用于与从进风口进入壳体10的空气进行热交换，形成送风气流(具体地，制冷时为冷风，制热时为热风)。风道40的进口面向蒸发器，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处流至出风口12处。风道40可为如图5所示的末端扩压风道，这一类型的风道可以实现低压损大风量。
在一些实施例中，可使导风板本体51可绕平行于其长度方向的位置固定的轴线转动(即绕定轴转动)，以打开关闭出风口12、引导出风口12的出风方向。或者，还可使导风板本体51能做平面运动，即由转动与平移运动结合的复合运动，以使导风板本体51具有更多的调节位置。壳体10内可设置有驱动机构，驱动机构包括电机和运动机构，导风板本体51上可连接转臂，由转臂连接驱动机构，以带动导风板本体51实现前述的平面运动。可带动物体实现平面运动(平移+转动)的驱动机构在现有技术中比较常见，在此不再赘述。
例如，可使导风板50运动至位于送风气流下方，且使第一侧面511朝上、第一端(A端)朝前的上吹位置，以便由第一侧面511和扬风板52引导送风气流向上吹出，如图5。例如，在空调制冷时，可将导风板50调节至前述上吹位置，由导风板本体51的第一侧面511将送风气流上扬吹出并与环境空气混合，低温的送风气流达到最高点后向下散落，实现一种“淋浴式”制冷体验。
可使导风板50运动至位于送风气流前方，且使第一侧面511朝后、第一端(A端)朝上的下吹位置，以便由扬风板52和第一侧面511引导送风气流向下吹出，如图6。例如，在空调制热时，可将导风板50调节至下吹位 置，由导风板本体51的第一侧面511将送风气流以接近竖直向下地引导，直达底面，实现制热暖足体验。并且，少量流入扬风板52与导风板本体51之间的送风气流也可经引流口515向下吹出形成“羽气流”，避免了气流囤积在扬风板52与导风板本体51之间。
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. 一种用于壁挂式空调室内机的导风板，包括：
    导风板本体，用于安装于所述壁挂式空调室内机的出风口处，其上开设有贯穿其第一侧面和第二侧面的引流口；和
    扬风板，从所述第一侧面起始朝所述导风板本体的第一端方向且逐渐远离所述第一侧面地延伸出，且起始端相对所述引流口更接近所述导风板本体的第二端，以在所述导风板处于使所述第一侧面朝上且所述第一端朝前的位置时，使送风气流在流经所述扬风板时改变气流方向，在所述第一侧面处形成负压，以带动所述导风板本体另一侧的环境空气经所述引流口汇入所述送风气流；且
    所述扬风板上开设有过流口，以允许部分环境空气依次经所述引流口和所述过流口汇入所述送风气流。
  2. 根据权利要求1所述的导风板，其中
    所述扬风板的末端超出所述引流口，以与所述第一侧面限定出与所述引流口连通的引流通道。
  3. 根据权利要求1所述的导风板，其中
    所述引流口为柱形，且从所述第一侧面至所述第二侧面的方向上逐渐朝所述第一端倾斜延伸；或
    所述引流口为截锥形，且从所述第一侧面至所述第二侧面的方向上内径渐缩地延伸。
  4. 根据权利要求1所述的导风板，还包括：
    多个连接筋，其沿所述导风板本体的长度方向间隔排列，每个所述连接筋连接所述扬风板和所述导风板本体。
  5. 根据权利要求1所述的导风板，其中
    所述扬风板在所述第一侧面的投影位于所述导风板本体的范围内。
  6. 根据权利要求1所述的导风板，其中
    所述导风板本体为使所述第一侧面为凹面，且中心轴线平行于所述导风板本体长度方向的弧形板；
    所述扬风板为中心轴线平行于所述导风板本体的中心轴线，且凸面朝向所述导风板本体的弧形板；且
    所述导风板本体的所述第一端处的切线与所述扬风板的末端处的切线的夹角在25°至35°之间。
  7. 根据权利要求1所述的导风板，其中
    所述扬风板的数量为一个，其长度方向的两端靠近所述导风板本体的长度方向的两端；或
    所述扬风板的数量为多个，多个所述扬风板沿所述导风板本体的长度方向间隔排列。
  8. 根据权利要求1所述的导风板，其中
    每个所述扬风板对应一个所述引流口；
    每个所述引流口为单个开口；或
    每个所述引流口包括间隔排列的多个子引流口。
  9. 一种壁挂式空调室内机，包括：
    壳体，其开设有出风口；和
    导风板，其为根据权利要求1至8中任一项所述的导风板，所述导风板本体安装于所述出风口处。
  10. 根据权利要求9所述的壁挂式空调室内机，其配置成：
    可使所述导风板运动至位于所述送风气流下方，且使所述第一侧面朝上、所述第一端朝前的上吹位置，以便由所述第一侧面和所述扬风板引导所述送风气流向上吹出；或
    使所述导风板运动至位于所述送风气流前方，且使所述第一侧面朝后、所述第一端朝上的下吹位置，以便由所述扬风板和所述第一侧面引导所述送风气流向下吹出。
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