WO2023005328A1 - 壁挂式空调室内机 - Google Patents

壁挂式空调室内机 Download PDF

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Publication number
WO2023005328A1
WO2023005328A1 PCT/CN2022/091760 CN2022091760W WO2023005328A1 WO 2023005328 A1 WO2023005328 A1 WO 2023005328A1 CN 2022091760 W CN2022091760 W CN 2022091760W WO 2023005328 A1 WO2023005328 A1 WO 2023005328A1
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WO
WIPO (PCT)
Prior art keywords
air
supply port
air supply
wall
indoor unit
Prior art date
Application number
PCT/CN2022/091760
Other languages
English (en)
French (fr)
Inventor
李英舒
王晓刚
张蕾
张鹏
王永涛
Original Assignee
青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
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, 青岛海尔空调电子有限公司, 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 WO2023005328A1 publication Critical patent/WO2023005328A1/zh

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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
    • 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
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • 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
    • 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
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
    • 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
    • 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

Definitions

  • the invention relates to the technical field of air conditioning, in particular to a wall-mounted air conditioner indoor unit.
  • Existing wall-mounted air-conditioning indoor units are usually provided with a strip-shaped air outlet at the lower part of the front side of the casing.
  • An object of the present invention is to overcome the above-mentioned problems or at least partially solve the above-mentioned problems, and provide a wall-mounted air-conditioning indoor unit with evenly distributed air supply and capable of solving the problem of cooling blowing.
  • a further object of the present invention is to appropriately increase the flow rate of the upstream branch of the flow diverter, so as to increase the air volume of the remote air supply.
  • the present invention provides a wall-mounted air conditioner indoor unit, which includes:
  • the casing includes a partition bar and a volute tongue and a volute case arranged in front and back, the partition bar is located below the front end of the volute tongue and in front of the lower end of the volute case, so as to be jointly defined with the volute tongue and the volute case
  • There is an air duct the partition bar and the front end of the volute tongue define a first air supply port facing forward, and the partition bar and the lower end of the volute define a second air supply port facing downward;
  • a splitter arranged on the front side of the first air supply port, so that the air flow from the first air outlet blows to the splitter, and diverges toward the edge of the splitter under the guidance of the rear surface of the splitter blown directly into the indoor environment;
  • the rear side of the partition bar has a raised surface that gradually slopes upward from the rear to the front, so as to guide the airflow toward the upper area of the rear surface of the flow divider.
  • the front side of the partition bar has a diverging surface that gradually slopes downward from the back to the front.
  • the divider includes:
  • the expanding surface extends forward and downward from the front end of the top surface
  • the front end surface extends vertically downward from the lower end of the gradually expanding surface
  • the raising surface extends backward and downward from the rear end of the top surface
  • the bottom surface, the front and rear ends are respectively connected to the lower end of the front end surface and the lower end of the rear end surface.
  • both the diverging surface and the raised surface are arcuate surfaces that are concave and whose axis extends along the length of the casing.
  • the section where the volute tongue is in contact with the first air outlet is a gradually expanding air outlet section that is gradually inclined upward from the rear to the front.
  • volute tongue includes in sequence from its inlet end to its outlet end:
  • the air inlet section extends backward and downward from the inlet end
  • the air outlet section extends forward and upward from the end of the middle section.
  • the splitter is configured to be able to translate back and forth to adjust the distance between it and the first air supply port; segment position to close the first air supply port.
  • an air deflector is provided at the second air supply port.
  • the upward surface is concave and curved, so that when the air deflector is in the open state, the airflow is directed to the lower surface of the partition strip.
  • At least a surface of the flow divider facing the first air outlet is an outwardly convex curved surface, so as to facilitate guiding the airflow toward its edge.
  • the side surfaces of the splitter facing the first air supply port and facing away from the first air supply port are convex curved surfaces, and the junctions of the two form two top ends, so that the splitter
  • the convex curved surface of the flow divider facing the first air supply port is formed by connecting two sections of circular arc surfaces, and the convex curved surface facing away from the first air supply port is a section of circular arc surface.
  • the first air supply port is opened forward, and the second air supply port is opened downward, so that the overall air supply angle range of the air conditioner is larger.
  • the front side of the first air supply port is provided with a splitter, which can guide the air flow to blow towards the indoor environment divergently towards the edge of the splitter, so that the outlet air flow is more dispersed and the diffusion range is larger, so that the indoor cooling/heating speed is faster , the temperature changes throughout the room are more uniform and the temperature difference is smaller. After the air flow is scattered, it will not blow the human body forcefully, and it is closer to the natural wind, making people feel more comfortable.
  • the airflow (upstream branch) flowing upward along the distribution piece flows upwards for long-distance air supply, and the airflow (downstream branch) flowing downward along the distribution piece flows downward for short-distance air supply.
  • the rear side of the divider has an upwardly inclined upward surface from the rear to the front, so as to guide the airflow to the upper area of the rear surface of the flow divider, so as to increase the flow of the upper branch of the flow divider, so that the air volume of the long-distance air supply can be increased. bigger.
  • the surface of the flow divider facing the first air outlet is a convex curved surface.
  • the outlet airflow hits the convex curved surface and then diffuses along the edge of the convex curved surface, so that the airflow turning angle is smaller, the airflow turning is more gentle, and the airflow loss and noise are smaller.
  • Fig. 1 is a schematic structural view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
  • Fig. 2 is a schematic cross-sectional enlarged view of the wall-mounted air conditioner indoor unit shown in Fig. 1;
  • Figure 3 is a schematic enlarged view of the divider in Figure 2;
  • Fig. 4 is a schematic diagram of the wall-mounted air conditioner indoor unit shown in Fig. 2 when the first air supply port is opened by the diverter;
  • Fig. 5 is a schematic diagram of the indoor unit of the wall-mounted air conditioner shown in Fig. 2 when it is running in the down blowing mode;
  • Fig. 6 is a schematic diagram of the indoor unit of the wall-mounted air conditioner shown in Fig. 2 when operating in the maximum air supply mode;
  • Fig. 7 is a schematic sectional view of a wall-mounted air conditioner indoor unit according to another embodiment of the present invention.
  • Fig. 8 is a schematic enlarged view of the partition bar in Fig. 7;
  • Fig. 9 is a schematic diagram of the driving mechanism of the flow divider.
  • the wall-mounted air conditioner indoor unit will be described below with reference to 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 The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention . Arrows in the figure indicate the flow direction of the airflow.
  • first”, “second”, etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features.
  • features defined as “first”, “second”, etc. may explicitly or implicitly include at least one of the features, that is, include one or more of the features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • An embodiment of the present invention provides a wall-mounted air conditioner indoor unit.
  • the wall-mounted air conditioner indoor unit is the indoor part of the split wall-mounted room air conditioner, and is used to adjust indoor air, such as cooling/heating, dehumidification, and introducing fresh air, etc.
  • Fig. 1 is a schematic structural view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
  • Fig. 2 is a schematic cross-sectional enlarged view of the wall-mounted air conditioner indoor unit shown in Fig. 1
  • Fig. 3 is a schematic diagram of a partition bar in Fig. 2
  • Figure 4 is a schematic diagram of the wall-mounted air conditioner indoor unit shown in Figure 2 when the first air outlet is opened by the splitter.
  • the wall-mounted air conditioner indoor unit may generally include a casing 10 and a flow divider 30 .
  • the casing 10 includes a skeleton for constituting the basic frame of the indoor unit and body parts such as a volute and a volute tongue for defining an air duct, and is not a pure air conditioner casing.
  • the casing 10 includes, in addition to the elongated skeleton, a partition bar 23 and a volute tongue 21 and a volute case 22 arranged in front and rear.
  • the partition bar 23 is located below the front end of the volute tongue 21 and in front of the lower end of the volute case 22, so as to jointly define the air passage 20 with the volute tongue 21 and the volute case 22.
  • the air duct 20 is a cross-flow air duct.
  • the partition bar 23 and the front end of the volute tongue 21 define the first air supply port 11 facing forward, and the partition bar 23 and the lower end of the volute 22 define the second air supply port 12 facing downward.
  • the casing 10 may be in the shape of a long strip extending along the horizontal direction, and its cross section is substantially quadrilateral.
  • the casing 10 may include a top wall, a front wall, a rear wall, a bottom wall and two lateral end walls, the rear wall of which is attached to and hung on the indoor wall.
  • the transverse or longitudinal direction of the housing 10 is marked with x in the figure.
  • the first air supply port 11 , the second air supply port 12 , the partition bar 23 , the volute tongue 21 and the volute case 22 can all be strips whose length direction is parallel to the length direction x of the casing 10 .
  • the first air supply port 11 and the second air supply port 12 are used to blow the airflow in the casing 10 to the room to adjust the indoor air.
  • the aforementioned airflow can be cold air produced by the indoor unit of the wall-mounted air conditioner in cooling mode, hot air produced in heating mode, or fresh air introduced in fresh air mode.
  • the wall-mounted air conditioner indoor unit may be an indoor unit of an air conditioner that performs refrigeration/heating through a vapor compression refrigeration cycle system, and it also includes a heat exchanger 40 and a cross-flow fan 50 .
  • the heat exchanger 40 is arranged in the casing 10 for exchanging heat with the air flow passing through it to form a heat exchange air flow, namely cold air or hot air, which can be a three-stage fin heat exchanger.
  • the cross-flow fan 50 is arranged in the casing 10 and is located at the entrance of the air duct 20, and is used to urge the indoor air to enter the casing 10 through the air inlet 13 on the top of the casing 10, so as to complete the heat exchange with the heat exchanger 40 as heat exchange.
  • the airflow then promotes the heat exchange air to flow through the air channel 20 to the first air supply port 11 and the second air supply port 12 , and finally blows into the room from the first air supply port 11 and the second air supply port 12 .
  • the flow divider 30 is arranged on the front side of the first air supply port 11, so that the air flow of the first air supply port 11 blows to the flow divider 30, and then flows towards the flow divider under the guidance of the rear surface of the flow divider 30.
  • the Edge of 30 blows divergently towards the indoor environment. In this way, the outlet air flow is more dispersed, and the diffusion range is larger, so that the indoor cooling/heating speed is faster, the temperature changes in various places in the room are more uniform, and the temperature difference is smaller. After the air flow is scattered, it will not blow the human body forcefully, and it is closer to the natural wind, making people feel more comfortable. Specifically, as shown in FIG.
  • the flow divider 30 can be in the shape of a rod parallel to the length direction of the casing 10 , and the outlet airflow will flow upward and downward respectively under the guidance of the rear surface of the flow divider 30 .
  • the airflow (upstream branch) flowing upwards along the back surface of the distributor 30 flows upwards for long-distance air supply
  • the airflow (downstream branch) flowing downwards along the rear surface of the distributor 30 flows downwards for Close-distance air supply
  • the two-way air supply cooperates to expand the air supply range.
  • the rear side of the partition bar 23 has a rising surface 233 that is gradually inclined upward from the rear to the front, so as to guide the airflow toward the upper area of the rear surface of the flow divider 30 .
  • a rising surface 233 that is gradually inclined upward from the rear to the front, so as to guide the airflow toward the upper area of the rear surface of the flow divider 30 .
  • the existing wall-mounted air-conditioning indoor units focus more on how to better increase the air supply distance or strengthen the direction guidance of the airflow, so that it can blow to the set area and achieve the goal of avoiding the human body .
  • this embodiment creatively changes the way of thinking, and spreads to multiple directions (at least 2 directions) just after the first air supply port 11 is blown out by the air outlet airflow, so as to avoid the strong airflow directly blowing forward, so as to avoid the
  • the human body can also make the cooling/heat diffusion range larger and reduce the indoor temperature difference.
  • the present embodiment utilizes the flow diverter 30 to replace the conventional air deflector, and through the diversion, the flow velocity of the air flow is reduced, avoiding that the air deflector and the surface of the casing 10 cannot be sufficiently cooled to make the temperature distribution due to the excessive flow velocity. Condensation occurs due to unevenness.
  • surface treatment can be performed on the flow diverter 30 to increase the hydrophobic function of the surface and further prevent condensation on the surface.
  • the front side of the partition bar 23 may have a diverging surface 232 that gradually slopes downward from the rear to the front.
  • the diverging surface 232 can better guide the airflow of the downstream branch to obliquely downward, so that it can sink and blow out better.
  • the section where the volute tongue 21 connects with the first air supply port 11 is a gradually expanding air outlet section (sa) that is gradually inclined upward from the rear to the front, so as to better guide the airflow of the upper branch to obliquely upward , so that it can be blown upwards better, and the upward airflow can send air farther.
  • Figure 3 illustrates an optional shape of the divider.
  • the partition bar 23 specifically includes a top surface 231 , a gradually expanding surface 232 , a front surface 234 , a raised surface 233 , a rear end surface 235 and a bottom surface 236 .
  • the top surface 231 faces upwards and constitutes the top of the partition bar 23 .
  • the expanding surface 232 extends forward and downward from the front end of the top surface 231 .
  • the front end surface 234 extends vertically downward from the lower end of the diverging surface 232 to form a front appearance of the partition bar 23 .
  • the raised surface 233 extends rearward and downward from the rear end of the top surface 231 .
  • the rear end surface 235 extends vertically downward from the lower end of the raising surface 233 to define the second air outlet 12 together with the volute 22 .
  • Front and rear ends of the bottom surface 236 are respectively connected to the lower end of the front end surface 234 and the lower end of the rear end surface 235 .
  • the top surface 231 , the gradually expanding surface 232 , the front surface 234 , the rising surface 233 , the rear end surface 235 and the bottom surface 236 jointly enclose the complete peripheral surface of the partition bar 23 , and the two ends of the length direction of the partition bar 23 are connected to the casing 10 the rest of the .
  • both the expanding surface 232 and the rising surface 233 can be concave arc surfaces with the axis extending along the length direction of the casing 10 .
  • Fig. 7 is a schematic sectional view of a wall-mounted air conditioner indoor unit according to another embodiment of the present invention, and Fig. 8 is a schematic enlarged view of the partition bar in Fig. 7 .
  • the shape of the partition bar 23 in this embodiment has a certain deformation compared to the partition bar in Fig. 3 , and in this embodiment, the arc length of the expanding surface 232 is shorter than the arc length of the rising surface 233.
  • the arc length of the diverging surface 232 is made longer than the arc length of the rising surface 233 .
  • FIG 2 illustrates an optional structure of the volute tongue, as shown in Figure 2, the volute tongue 21 sequentially includes an air inlet section (kc), a middle section (cs) and an air outlet section (sa) from its inlet end to the outlet end .
  • the air inlet section (kc) extends backward and downward from the inlet end (k).
  • the middle section (cs) extends forward and downward from the end (c) of the air inlet section (kc).
  • the outlet section (sa) extends forward and upward from the end (s) of the middle section (cs).
  • the volute 22 is located at the rear of the volute tongue 21 and is generally a curved structure with the concave side facing forward. Each segment can be transitioned with rounded corners, so that the direction of the airflow can be changed more smoothly and the flow loss can be reduced.
  • the splitter 30 can be configured to translate forward and backward to adjust the distance between it and the first air outlet 11 , so as to adjust the air volume of the first air outlet 11 accordingly. It can be understood that the closer the flow splitter 30 is to the first air supply port 11, the more the air outlet of the first air supply port 11 is hindered, and the air volume is smaller, but the turning effect of the flow splitter 30 on the outlet air flow (prompting the air flow toward its edge direction) steering) stronger. When the splitter 30 is farther away from the first air supply port 11 , the air flow from the first air supply port 11 is smoother and the air volume is greater, but the steering effect on the air flow becomes weaker.
  • the splitter 30 can be configured to move to a position where its rear surface abuts against the diverging surface 232 and the air outlet section (sa), so as to close the first air outlet 11 , as shown in FIG. 2 . Prevent foreign matters such as dust from entering the casing 10 through the first air outlet 11 .
  • the flow divider 30 is moved to the closed state, and the flow divider 30 is also "embedded" inward at the first air outlet 11, so as to avoid the flow divider 30 being completely in a state of being closed.
  • the outside of the first air supply port 11 affects the appearance. For example, when the splitter 30 is olive-shaped, and its surface facing the first air outlet 11 is a convex curved surface 32, the outlet section sa and the diverging surface 232 are both concave curved surfaces to match it.
  • At least the surface of the splitter 30 facing the first air outlet 11 may be a convex curved surface 32 , so as to guide the airflow toward the edge of the splitter 30 .
  • the surface of the flow divider 30 facing the first air outlet 11 is a plane, after the air flow blows vertically to the surface, it will turn 90° before spreading along the surface to the edge.
  • the surface is a convex curved surface, and the air flow impacts on the convex curved surface 32 and then spreads along the convex curved surface 32 to the edge, and the airflow is turned to less than 90°.
  • the convex shape of 32 results in relatively smoother directional changes, less air loss and less noise.
  • the side surfaces (rear surface and front surface) of the splitter 30 facing the first air supply port 11 and facing away from the first air supply port 11 are both convex curved surfaces, which are respectively the convex curved surface 32 and the convex curved surface 31 , where the two meet to form two tops A1 and A2, and rounded corners can be provided at the two tops A1 and A2, so that the cross-section (section perpendicular to the x-axis) of the flow divider 30 has an "olive shape" profile.
  • This kind of structure of the shunt 30 is relatively simple and easy to manufacture, and also makes its appearance more beautiful.
  • the convex curved surface 32 of the distribution member 30 facing the first air supply port 11 can be formed by connecting two sections of arc surfaces CA1 and CA2, so that the convex curved surface 32, especially its middle point C, is more toward the protruding outward, so that the airflow blowing towards it can be more evenly divided to both sides of point C.
  • the convex curved surface 31 facing away from the first air supply port 11 can be a section of arc surface, so as to satisfy the aesthetic appearance and facilitate the manufacture.
  • the radii R1, R2 and lengths of the two sections of arc surfaces CA1, CA2 of the convex curved surface 32 can be further made equal so that the airflows flowing towards them tend to be equal.
  • the cross-sectional profile of the flow divider 30 may also be elliptical or other irregular shapes, which will not be repeated here.
  • the convex curved surface can be made into a spherical crown, which will not be repeated here.
  • Fig. 5 is a schematic diagram of the wall-mounted air conditioner indoor unit shown in Fig. 2 when operating in the down blowing mode
  • Fig. 6 is a schematic diagram of the wall-mounted air conditioner indoor unit shown in Fig. 2 operating in the maximum air supply mode.
  • an air deflector 60 may be provided at the second air outlet 12 .
  • the function of the air deflector 60 is to guide the direction of the air flow from the second air outlet 12 and to open and close the second air outlet 12 .
  • the embodiment of the present invention has at least the following air supply modes for users to choose from, specifically as follows:
  • Forward air supply mode as shown in Figure 4, move the splitter 30 forward to open the first air supply port 11, make the air deflector 60 close the second air supply port 12 or open the second air supply port 12 at a small angle to avoid condensation Dew, the air is distributed forward by the first air supply port 11.
  • the air conditioner operates in cooling mode, it can supply air according to the air supply mode.
  • Downward air supply mode as shown in FIG. 5 , control the splitter 30 to close the first air supply port 11 , and make the air deflector 60 open the second air supply port 12 . Under the guidance of the wind deflector 60 , the second air outlet 12 blows air downward.
  • the air conditioner When the air conditioner is running in the heating mode, the air can be supplied according to the downward air supply mode, so as to accelerate the heating speed.
  • the upward facing surface 61 of the air deflector 60 in the closed state is concavely curved, so that when the air deflector 60 is in the open state, the airflow is directed to the partition bar 23 the lower surface.
  • the entire wind deflector 60 can be made into an arc-shaped plate whose axis is parallel to the length direction of the casing 10 .
  • Fig. 9 is a schematic diagram of the driving mechanism of the flow divider. 2-8 better illustrate the direction of the wind path, omitting the driving mechanism, and FIG. 9 better illustrates the driving mechanism, omitting the wind deflector 60 .
  • the driving mechanism for driving the divider 30 to translate back and forth is a rack and pinion mechanism, which is installed on the lateral side of the casing 10 so as not to affect the air flow.
  • the driving mechanism includes a rack 71 extending forward and backward and fixed to the distributor 30 , a gear 72 meshing with the rack 71 , and a motor 73 for driving the gear 72 to rotate to drive the rack 71 to translate forward and backward.
  • the motor 73 can be fixed on the casing 10 , and the rack 71 can be slidably mounted on the casing 10 along the front and rear directions.
  • the motor 73 can be controlled forward and reverse, so that the shunt 30 can reciprocate and translate along the front and rear directions.
  • the motor 73 can be a stepping motor.
  • another motor can be provided to drive the flow divider 30 to rotate.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)

Abstract

一种壁挂式空调室内机，包括机壳（10）和分流件（30）。机壳（10）包括分隔条（23）以及前后排列的蜗舌（21）和蜗壳（22），分隔条（23）位于蜗舌（21）前端下方且位于蜗壳（22）下端前方，以与蜗舌（21）和蜗壳（22）共同限定有风道（20），分隔条（23）与蜗舌（21）的前端限定出朝前的第一送风口（11），分隔条（23）与蜗壳（22）的下端限定出朝下的第二送风口（12）。分流件（30）设置在第一送风口（11）前侧，以使第一送风口（11）的出风气流吹向分流件（30），在分流件（30）后表面引导下朝分流件（30）的边缘发散地吹向室内环境；且分隔条（23）后侧具有从后向前逐渐向上倾斜的上扬面（233），以将气流朝分流件（30）后表面的上部区域引导。该壁挂式空调室内机送风均匀分散，能解决制冷吹人的问题。

Description

壁挂式空调室内机 技术领域
本发明涉及空气调节技术领域，特别涉及一种壁挂式空调室内机。
背景技术
现有的壁挂式空调室内机通常在机壳前侧下部设置一个长条状出风口，出风口朝向前下方，出风口处设置导风板来引导上下送风方向。
在此基础上，一些现有技术对出风结构进行了很多改进，但由于受到出风口本身朝向的约束，空调的送风方向、送风范围和送风距离仍然受到极大限制，特别是制冷时冷风吹人的问题难以解决，影响用户体验。
发明内容
本发明的一个目的是要克服上述问题或者至少部分地解决上述问题，提供一种送风均匀分散、能解决制冷吹人问题的壁挂式空调室内机。
本发明进一步的目的是要适当增大分流件的上流支路流量，以增大远距离送风的风量。
特别地，本发明提供了一种壁挂式空调室内机，其包括：
机壳，其包括分隔条以及前后排列的蜗舌和蜗壳，所述分隔条位于所述蜗舌前端下方且位于所述蜗壳下端前方，以与所述蜗舌和所述蜗壳共同限定有风道，所述分隔条与所述蜗舌的前端限定出朝前的第一送风口，所述分隔条与所述蜗壳的下端限定出朝下的第二送风口；
分流件，设置在所述第一送风口前侧，以使所述第一送风口的出风气流吹向所述分流件，在所述分流件后表面引导下朝所述分流件的边缘发散地吹向室内环境；且
所述分隔条后侧具有从后向前逐渐向上倾斜的上扬面，以将气流朝所述分流件后表面的上部区域引导。
可选地，所述分隔条的前侧具有从后向前逐渐向下倾斜的渐扩面。
可选地，所述分隔条包括：
顶面；
所述渐扩面，从所述顶面前端向前下方延伸；
前端面，从所述渐扩面下端竖直向下延伸；
所述上扬面，从所述顶面后端向后下方延伸；
后端面，从所述上扬面下端竖直向下延伸；和
底面，前后两端分别连接所述前端面的下端和所述后端面的下端。
可选地，所述渐扩面和所述上扬面均为内凹且轴线沿所述机壳长度延伸的圆弧面。
可选地，所述蜗舌与所述第一送风口相接的区段为从后向前逐渐向上倾斜的渐扩状的出风段。
可选地，所述蜗舌从其进口端至出口端依次包括：
进风段，从所述进口端向后下方延伸；
中间段，从所述进风段末端向前下方延伸；和
所述出风段，从所述中间段末端向前上方延伸。
可选地，所述分流件配置成可前后平移，以调节其与所述第一送风口的距离；且配置成可移动至使其后表面贴靠于所述渐扩面和所述出风段的位置，以关闭所述第一送风口。
可选地，所述第二送风口处设置有导风板；且
所述导风板在处于关闭状态时朝上的表面为内凹弯曲状，以便所述导风板处于打开状态时，将气流引向所述分隔条的下表面。
可选地，所述分流件至少朝向所述第一送风口的表面为外凸弯曲面，以利于将气流朝其边缘引导。
可选地，所述分流件朝向所述第一送风口和背向所述第一送风口的两侧表面均为外凸弯曲面，两者相接处构成两个顶端，使所述分流件的横截面外形轮廓形成“橄榄形”；且
所述分流件朝向所述第一送风口的外凸弯曲面由两段圆弧面相接而成，背向所述第一送风口的外凸弯曲面为一段圆弧面。
本发明的壁挂式空调室内机中，第一送风口朝前敞开，第二送风口朝下敞开，使空调整体送风角度范围更大。第一送风口前侧设置有分流件，可引导出风气流朝分流件的边缘发散地吹向室内环境，使出风气流更加分散，扩散范围更大，从而使得室内制冷/制热速度更快，室内各处温度变化更加均匀，温差更小。出风气流分散吹出后不会强吹人体，也更加接近于自然风，使人感更加舒适。沿分流件向上流动的气流(上流支路)上扬流动，用于远距离送风，沿分流件向下流动的气流(下流支路)气流下沉流动，用于近距离送 风，两者相配合使送风范围扩大。而且，分隔条后侧具有从后向前逐渐向上倾斜的上扬面，以将气流朝分流件后表面的上部区域引导，使分流件上流支路的流量增大，以使远距离送风的风量更大。
进一步地，本发明的壁挂式空调室内机中，分流件朝向第一送风口的表面为外凸弯曲面。出风气流冲击到外凸弯曲面后再沿外凸弯曲面向边缘扩散，使得气流转向角度更小，气流转向地更加缓和、气流损失和噪音都更小。
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是根据本发明一个实施例的壁挂式空调室内机的结构示意图；
图2是图1所示壁挂式空调室内机的示意性剖视放大图；
图3是图2中的分隔条的示意性放大图；
图4是图2所示壁挂式空调室内机在分流件打开第一送风口时的示意图；
图5是图2所示壁挂式空调室内机在运行下吹模式时的示意图；
图6是图2所示壁挂式空调室内机在运行最大送风模式时的示意图；
图7是本发明另一实施例的壁挂式空调室内机的示意性剖视图；
图8是图7中分隔条的示意性放大图；
图9是分流件的驱动机构的示意图。
具体实施方式
现将详细参考本发明的实施例，其一个或多个示例在附图中示出。提供的各个实施例旨在解释本发明，而非限制本发明。事实上，在不脱离本发明的范围或精神的情况下对本发明进行各种修改和变化对于本领域的技术人员来说是显而易见的。例如，图示或描述为一个实施例的一部分的特征可以与另一个实施例一起使用以产生再另外的实施例。因此，本发明旨在涵盖所附权利要求书及其等同物范围内的此类修改和变化。
下面参照图1至图9来描述本发明实施例的壁挂式空调室内机。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。图中用箭头示意了气流的流动方向。
术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”等特征可以明示或者隐含地包括至少一个该特征，也即包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。当某个特征“包括或者包含”某个或某些其涵盖的特征时，除非另外特别地描述，这指示不排除其它特征和可以进一步包括其它特征。
除非另有明确的规定和限定，“安装”、“相连”、“连接”、“固定”“耦合”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。本领域的普通技术人员，应该可以根据具体情况理解上述术语在本发明中的具体含义。
本发明实施例提供了一种壁挂式空调室内机。壁挂式空调室内机为分体壁挂式房间空调器的室内部分，用于调节室内空气，例如制冷/制热、除湿、引入新风等等。
图1是根据本发明一个实施例的壁挂式空调室内机的结构示意图；图2是图1所示壁挂式空调室内机的示意性剖视放大图；图3是图2中的分隔条的示意性放大图；图4是图2所示壁挂式空调室内机在分流件打开第一送风口时的示意图。
如图1至图4所示，本发明实施例的壁挂式空调室内机一般性地可包括机壳10和分流件30。
机壳10包括用于构成室内机基本框架的骨架和用于限定出风道的蜗壳、蜗舌等机体部件，并非纯粹的空调外壳。具体地，机壳10除了包括长条状的骨架部分，还包括分隔条23以及前后排列的蜗舌21和蜗壳22。分隔条23位于蜗舌21的前端下方且位于蜗壳22的下端前方，以与蜗舌21和蜗壳 22共同限定有风道20。风道20为贯流式风道。分隔条23与蜗舌21的前端限定出朝前的第一送风口11，分隔条23与蜗壳22的下端限定出朝下的第二送风口12。
如图1所示，机壳10可为沿水平方向延伸的长条状，横截面大致为四边形。机壳10可包括顶壁、前壁、后壁和底壁和横向两个端壁，其后壁贴靠挂在室内墙壁上。机壳10的横向或者称为长度方向在图中用x标出。第一送风口11、第二送风口12、分隔条23、蜗舌21和蜗壳22可均为长度方向平行于机壳10长度方向x的长条状。
第一送风口11和第二送风口12用于将机壳10内的气流吹向室内，调节室内空气。前述的气流可为壁挂式空调室内机在制冷模式下制取的冷风，在制热模式下制取的热风，或者在新风模式下引入的新风等。
壁挂式空调室内机可为通过蒸气压缩制冷循环系统进行制冷/制热的空调器的室内机，其还包括换热器40和贯流风机50。换热器40设置在机壳10内，用于与流经其的气流进行换热，形成热交换气流，即冷风或热风，其可为三段式翅片换热器。贯流风机50设置于机壳10内且位于风道20的进口处，用于促使室内空气经机壳10顶部进风口13进入机壳10，使其与换热器40完成换热成为热交换气流，然后促使热交换气流经风道20流动至第一送风口11和第二送风口12，最终从第一送风口11和第二送风口12吹向室内。
如图4所示，分流件30设置在第一送风口11的前侧，以使第一送风口11的出风气流吹向分流件30，然后在分流件30后表面的引导下朝分流件30的边缘发散地吹向室内环境。如此，使出风气流更加分散，扩散范围更大，使得室内制冷/制热速度更快，室内各处温度变化更加均匀，温差更小。出风气流分散吹出后不会强吹人体，也更加接近于自然风，使人感更加舒适。具体地，如图4，分流件30可为平行于机壳10的长度方向的杆状，出风气流将在分流件30后表面的引导下，分别朝上、朝下流动。其中，沿分流件30后表面向上流动的气流(上流支路)上扬流动，用于远距离送风，沿分流件30后表面向下流动的气流(下流支路)气流下沉流动，用于近距离送风，两路送风相配合，使送风范围扩大。
如图3和图4所示，分隔条23的后侧具有从后向前逐渐向上倾斜的上扬面233，以将气流朝分流件30后表面的上部区域引导。使分流件30上方 支路的流量增大，以使远距离送风的风量更大，弥补了因设置分流件30对远距离送风的不利影响。
现有的壁挂式空调室内机更多将改进方向放在如何更好地增大送风距离或加强对出风气流的方向引导，以使其吹到设定区域，使其达到躲避人体的目标。而本实施例创造性地改变思路，在出风气流刚刚吹出第一送风口11就使其向多个方向(至少2个方向)扩散，避免其出现向前直吹的强力气流，从而既能够躲避人体，又能够使冷量/热量扩散范围更大，减少室内温差。并且，本实施例利用分流件30取代了常规的导风板，并通过分流，使气流流速降低，避免因流速过快、未能对导风板及机壳10表面充分降温、使其温度分布不均而出现凝露。此外，可对分流件30进行表面处理，增加表面的疏水功能，进一步防止其表面产生凝露。
在一些实施例中，如图3和图4所示，可使分隔条23的前侧具有从后向前逐渐向下倾斜的渐扩面232。渐扩面232能够将下流支路的气流更好地向斜下方引导，使其更好地下沉吹出。此外，蜗舌21与第一送风口11相接的区段为从后向前逐渐向上倾斜的渐扩状的出风段(sa)，以便将上流支路的气流更好地向斜上方引导，以使其更好地上扬吹出，上扬的气流送风距离更远。
图3示意了分隔条一种可选的形状。如图3所示，分隔条23具体包括顶面231、渐扩面232、前端面234、上扬面233、后端面235和底面236。顶面231朝向上方，构成分隔条23的顶部。渐扩面232从顶面231的前端向前下方延伸。前端面234从渐扩面232的下端竖直向下延伸，以构成分隔条23的前部外观。上扬面233从顶面231的后端向后下方延伸。后端面235从上扬面233的下端竖直向下延伸，以与蜗壳22共同限定出第二送风口12。底面236的前后两端分别连接前端面234的下端和后端面235的下端。顶面231、渐扩面232、前端面234、上扬面233、后端面235和底面236共同围成分隔条23的完整的周面，而分隔条23的长度方向的两端连接于机壳10的其余部分。为顺畅地引导气流，并便于设计和加工，可使渐扩面232和上扬面233均为内凹且轴线沿机壳10的长度方向延伸的内凹圆弧面。图7是本发明另一实施例的壁挂式空调室内机的示意性剖视图，图8是图7中分隔条的示意性放大图。
在该实施例中的分隔条23形状相比图3的分隔条有一定变形，该实施 例中，渐扩面232的弧长短于上扬面233的弧长。在图1至图6所示实施例中，使渐扩面232的弧长大于上扬面233的弧长。上扬面233弧长越长，对气流引导作用越强，使上扬气流的风量更大。因此，可根据需要调节分隔条23的具体尺寸，以便调节上扬气流的风量。
图2示意了蜗舌的一种可选结构，如图2所示，蜗舌21从其进口端至出口端依次包括进风段(kc)、中间段(cs)和出风段(sa)。其中，进风段(kc)从进口端(k)向后下方延伸。中间段(cs)从进风段(kc)的末端(c)向前下方延伸。出风段(sa)从中间段(cs)的末端(s)向前上方延伸。蜗壳22位于蜗舌21后方，整体为凹侧朝前的弯曲形结构。可使各段均以圆角过渡，以使气流的方向转变更加平缓，减小流动损失。
在一些实施例中，参考图2和图4，可使分流件30配置成可前后平移，以调节其与第一送风口11的距离，以据此调节第一送风口11的风量。可以理解的是，分流件30越接近第一送风口11，第一送风口11的出风越受阻，其风量越小，但分流件30对出风气流的转向作用(促使气流朝其边缘方向转向)越强。当分流件30越远离第一送风口11，第一送风口11的出风越顺畅，风量越大，但对气流的转向作用变弱。进一步地，可使分流件30配置成可移动至使其后表面贴靠于渐扩面232和出风段(sa)的位置，以关闭第一送风口11，如图2。避免灰尘等异物经第一送风口11进入机壳10。并且，壁挂式空调室内机处于断电或者待机等非运行状态时，将分流件30移动至关闭状态，也使分流件30向内“嵌入”第一送风口11处，避免分流件30完全处于第一送风口11外影响美观。例如，当分流件30为橄榄形，其朝向第一送风口11的表面为外凸弯曲面32时，使出风段sa和渐扩面232均为内凹的弯曲面，以与之匹配。
在一些实施例中，如图2和图4所示，可使分流件30至少朝向第一送风口11的表面为外凸弯曲面32，以利于将气流朝分流件30的边缘引导。具体地，假如分流件30朝向第一送风口11的表面为平面，出风气流垂直地吹向该表面后，将转向90°后，才能沿该表面向边缘扩散。而本实施例使该表面为外凸弯曲面，出风气流冲击到外凸弯曲面32后再沿外凸弯曲面32向边缘扩散，气流转向小于90°，在转向过程中，外凸弯曲面32的外凸形状使得方向转变地相对更加缓和、气流损失和噪音都更小。
可使分流件30朝向第一送风口11和背向第一送风口11的两侧表面(后 表面和前表面)均为外凸弯曲面，分别为外凸弯曲面32和外凸弯曲面31，两者相接处构成两个顶端A1和A2，两个顶端A1和A2处可设置有圆角，使分流件30的横截面(垂直于x轴的截面)外形轮廓形成“橄榄形”。分流件30的这种结构较为简洁，易于制作，也使其外观更加美观。
更具体地，可使分流件30朝向第一送风口11的外凸弯曲面32由两段圆弧面CA1和CA2相接而成，以使外凸弯曲面32特别是其中间点C更加向外凸出，从而能够将吹向其的气流更均匀地向C点两侧分开。使背向第一送风口11的外凸弯曲面31为一段圆弧面，使其满足外观美观且便于制作即可。可进一步使外凸弯曲面32的两段圆弧面CA1、CA2的半径R1、R2和长度均相等，以使流向两者的气流趋于相等。当然，分流件30的横截面外形轮廓也可为椭圆形或其他不规则的形状，在此不再赘述。
在一些替代性实施例中，若第一送风口和分流件均为圆形，可使外凸弯曲面为球冠状，在此不再赘述。
图5是图2所示壁挂式空调室内机在运行下吹模式时的示意图；图6是图2所示壁挂式空调室内机在运行最大送风模式时的示意图。
如图4至图6所示，第二送风口12处可设置有导风板60。导风板60的作用对第二送风口12的出风气流的方向进行引导，以及用于开闭第二送风口12。
本发明实施例至少具有以下几种送风模式供用户选择，具体如下：
向前送风模式：如图4所示，使分流件30前移打开第一送风口11，使导风板60关闭第二送风口12或以较小角度打开第二送风口12以避免凝露，由第一送风口11向前分流送风。在空调运行制冷模式时，可以按照该送风模式进行送风。
向下送风模式：如图5所示，控制分流件30关闭第一送风口11，使导风板60打开第二送风口12。在导风板60引导下，由第二送风口12向下送风。在空调运行制热模式时，可以按照下送风模式送风，以利于加快制热速度。
最大送风模式：如图6所示，使第一送风口11和第二送风口12均打开，两者同时出风，以使风量最大。
在一些实施例中，如图7所示，使导风板60在处于关闭状态时朝上的表面61为内凹弯曲状，以便导风板60处于打开状态时，将气流引向分隔条 23的下表面。如此一来，使得原本难以有气流通过的分隔条23下表面也有气流吹过，从而避免其在制冷模式下产生凝露。具体地，可使整个导风板60为轴线平行于其机壳10的长度方向的弧形板状。
图9是分流件的驱动机构的示意图。图2-图8为更好地示意风路走向，省略了驱动机构，图9为更好地示意驱动机构，省略了导风板60。
在一些实施例中，如图9所示，用于驱动分流件30前后平移的驱动机构为齿轮齿条机构，其安装于机壳10的横向侧部以不影响气流流动。驱动机构包括沿前后方向延伸且固定于分流件30的齿条71，与齿条71啮合的齿轮72，和用于驱动齿轮72转动以带动齿条71前后平移的电机73。电机73可固定于机壳10，齿条71可沿前后方向滑动地安装于机壳10。电机73能够受控地正反转，以使分流件30能沿前后方向往复平移。电机73可为步进电机。此外，可另设一电机以驱动分流件30转动。
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. 一种壁挂式空调室内机，包括：
    机壳，其包括分隔条以及前后排列的蜗舌和蜗壳，所述分隔条位于所述蜗舌前端下方且位于所述蜗壳下端前方，以与所述蜗舌和所述蜗壳共同限定有风道，所述分隔条与所述蜗舌的前端限定出朝前的第一送风口，所述分隔条与所述蜗壳的下端限定出朝下的第二送风口；
    分流件，设置在所述第一送风口前侧，以使所述第一送风口的出风气流吹向所述分流件，在所述分流件后表面引导下朝所述分流件的边缘发散地吹向室内环境；且
    所述分隔条后侧具有从后向前逐渐向上倾斜的上扬面，以将气流朝所述分流件后表面的上部区域引导。
  2. 根据权利要求1所述的壁挂式空调室内机，其中
    所述分隔条的前侧具有从后向前逐渐向下倾斜的渐扩面。
  3. 根据权利要求2所述的壁挂式空调室内机，其中，所述分隔条包括：
    顶面；
    所述渐扩面，从所述顶面前端向前下方延伸；
    前端面，从所述渐扩面下端竖直向下延伸；
    所述上扬面，从所述顶面后端向后下方延伸；
    后端面，从所述上扬面下端竖直向下延伸；和
    底面，前后两端分别连接所述前端面的下端和所述后端面的下端。
  4. 根据权利要求2或3所述的壁挂式空调室内机，其中
    所述渐扩面和所述上扬面均为轴线沿所述机壳长度延伸的内凹圆弧面。
  5. 根据权利要求2-4中任一项所述的壁挂式空调室内机，其中
    所述蜗舌与所述第一送风口相接的区段为从后向前逐渐向上倾斜的渐扩状的出风段。
  6. 根据权利要求5所述的壁挂式空调室内机，其中，所述蜗舌从其进口 端至出口端依次包括：
    进风段，从所述进口端向后下方延伸；
    中间段，从所述进风段末端向前下方延伸；和
    所述出风段，从所述中间段末端向前上方延伸。
  7. 根据权利要求5或6所述的壁挂式空调室内机，其中
    所述分流件配置成可前后平移，以调节其与所述第一送风口的距离；且配置成可移动至使其后表面贴靠于所述渐扩面和所述出风段的位置，以关闭所述第一送风口。
  8. 根据权利要求1-7中任一项所述的壁挂式空调室内机，其中
    所述第二送风口处设置有导风板；且
    所述导风板在处于关闭状态时朝上的表面为内凹弯曲状，以便所述导风板处于打开状态时，将气流引向所述分隔条的下表面。
  9. 根据权利要求1-8中任一项所述的壁挂式空调室内机，其中
    所述分流件至少朝向所述第一送风口的表面为外凸弯曲面，以利于将气流朝其边缘引导。
  10. 根据权利要求9所述的壁挂式空调室内机，其中
    所述分流件朝向所述第一送风口和背向所述第一送风口的两侧表面均为外凸弯曲面，两者相接处构成两个顶端，使所述分流件的横截面外形轮廓形成“橄榄形”；且
    所述分流件朝向所述第一送风口的外凸弯曲面由两段圆弧面相接而成，背向所述第一送风口的外凸弯曲面为一段圆弧面。
PCT/CN2022/091760 2021-07-28 2022-05-09 壁挂式空调室内机 WO2023005328A1 (zh)

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