WO2022205978A1 - 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
WO2022205978A1
WO2022205978A1 PCT/CN2021/134550 CN2021134550W WO2022205978A1 WO 2022205978 A1 WO2022205978 A1 WO 2022205978A1 CN 2021134550 W CN2021134550 W CN 2021134550W WO 2022205978 A1 WO2022205978 A1 WO 2022205978A1
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WO
WIPO (PCT)
Prior art keywords
air
casing
wall
indoor unit
conditioner indoor
Prior art date
Application number
PCT/CN2021/134550
Other languages
English (en)
French (fr)
Inventor
张蕾
李英舒
李婧
王永涛
张晓斌
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 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 WO2022205978A1 publication Critical patent/WO2022205978A1/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
    • F24F1/0043—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
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • 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
    • 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

Definitions

  • the invention relates to the technical field of air conditioning, in particular to a wall-mounted air conditioner indoor unit.
  • the air conditioner needs to blow the cooler air upwards as much as possible when cooling, and blow the hot air toward the ground as much as possible when heating, so that the cold air or hot air can spread more evenly in the indoor space and make the cooling and heating speed faster.
  • the existing wall-mounted air conditioner indoor unit is usually provided with a forward-facing air outlet, and air guide structures such as air guide plates and swing blades are used to guide the air outlet direction of the air supply air, so as to realize upward blowing or downward blowing.
  • air guide structures such as air guide plates and swing blades are used to guide the air outlet direction of the air supply air, so as to realize upward blowing or downward blowing.
  • the various current air guiding structures have limited air guiding angles, and can only supply air obliquely upward or downward. It is difficult for cold air or hot air to reach the roof or the ground, which affects the cooling or heating effect.
  • the purpose of the present invention is to provide a wall-mounted air conditioner indoor unit that overcomes or at least partially solves the above problems, so as to enhance the upward blowing and/or downward blowing effect of the wall-mounted air conditioner indoor unit.
  • a further object of the present invention is to make the air outlet volume of the air guide channel adjustable.
  • a further object of the present invention is to facilitate the switching of the up-blowing mode and the down-blowing mode.
  • the present invention provides a wall-mounted air conditioner indoor unit, which includes:
  • An air guide cover plate is arranged on the outside of the air outlet to define an air guide channel with the outer peripheral surface of the casing, and is used to guide the air supply air flowing out of the air outlet upward along the outer peripheral surface of the casing and/or downward flow;
  • the air guide cover plate is configured such that the distance between at least a part of the section and the outer peripheral surface of the casing is adjustable, so as to adjust the air outlet volume of the air guide channel.
  • the air guide cover plate includes: a bearing section, mounted on the casing; and an adjustment section, located opposite to the air outlet, so as to define the air guide channel with the outer peripheral surface of the casing , and the adjusting section is movably installed on the bearing section along the direction close to or away from the outer peripheral surface of the casing, so as to adjust the distance between it and the outer peripheral surface of the casing.
  • the wall-mounted air conditioner indoor unit is further characterized in that it further comprises: at least one first rack and pinion mechanism for driving the adjustment section to translate in a direction approaching or away from the outer peripheral surface of the casing; and each The first rack-and-pinion mechanism includes a first motor, a first gear and a first rack that mesh with each other, the first motor is mounted on the bearing section, the first gear is arranged on the first motor, The first rack is arranged on the adjustment section.
  • a slideway is formed at the end of the bearing section that is connected to the adjustment section, and the first rack is located at the end of the adjustment section and is slidably installed in the slideway, so as to Translate in a direction close to or away from the outer peripheral surface of the casing.
  • the bearing section can be installed on the casing so as to be able to translate up and down;
  • the air guide cover plate has a partition that protrudes from its inner surface toward the outer peripheral surface of the casing, so as to separate the air guide channel. is divided into an upper channel opening upward and a lower channel opening downward, and is configured to be movable to a position where the partition is positioned above the air outlet, so that the supply air flow is directed downward by the lower channel guide; or move to a position where the partition is located below the air outlet to guide the supply air flow upward by the upper channel.
  • the dividing part has a tip adjacent to the outer peripheral surface of the casing; the upper surface of the dividing part starts from the tip, extends away from the casing and gradually slopes upward, and an inner concave arc surface tangent to the inner surface of the remaining part of the air deflector; and the lower surface of the partition starts from the tip, extends away from the casing, and slopes downward gradually, and an inner concave arc surface tangent to the inner surface of the remaining part of the wind deflector.
  • the air outlet is opened on the front surface of the casing; and the adjustment section is located in front of the air outlet; the number of the bearing sections is two, respectively from the lateral ends of the adjustment section.
  • the end caps extend backwards from the hood to be respectively installed on the lateral sides of the casing.
  • each of the bearing sections has a wind shield extending toward the end cover for blocking the rearward flow of the supply air flow.
  • At least one of the end covers of the casing is provided with a second rack and pinion mechanism for driving the bearing section to translate up and down, which includes a second motor, a second gear that meshes with each other and a second gear.
  • a rack the second motor is arranged on the inside of the end cover, the second gear is mounted on the second motor, and the second rack is arranged on the inner side of the end cover so as to be able to translate up and down, and a part of the second gear is arranged on the inside of the end cover.
  • the vertical long strip opening holes opened through the end cover protrude to the outside of the end cover and are connected with the wind deflector plate.
  • a mounting piece is fixed on the inner wall of the end cover, the mounting piece is formed with two vertically extending slide rails arranged at intervals, and two ends in the width direction of the second rack are formed with opposite opening directions.
  • Two sliding grooves each of which is matched with one of the sliding rails to allow the second rack to slide up and down along the mounting piece;
  • a bracket is also fixed on the inner wall of the end cover to mount the second rack a motor, the second rack is sandwiched between the second gear and the mount, the side of which facing the second gear is formed with teeth to mesh with the second gear, facing the end
  • One side of the cover protrudes outward to form a protruding strip, and the protruding strip protrudes out of the end cover through the abdication hole of the vertical strip and is connected with the air guide cover plate.
  • an air guide cover plate is arranged outside the casing, and the wind guide cover plate and the outer peripheral surface of the casing define an air guide channel.
  • the air supply air such as cold air, hot air, fresh air or purification air flow, etc.
  • the air guide plate After the air supply air (such as cold air, hot air, fresh air or purification air flow, etc.) inside the casing is blown out from the air outlet of the casing, it is blocked by the air guide plate and cannot be blown out directly horizontally, but along the outer circumference of the casing. Blow face up and/or down.
  • the air supply air flows close to the outer peripheral surface of the casing, forming a Coanda effect, and can smoothly reach the roof or the ground along the outer peripheral surface of the casing, so the cooling or heating effect of the indoor unit of the wall-mounted air conditioner is better, and cold air can also be avoided. Or hot air blows people, causing discomfort to the human body.
  • the distance between at least a part of the air guide cover plate and the outer peripheral surface of the casing is adjustable.
  • the air outlet section of the air guide channel becomes larger, the air outlet is smoother, and the air volume is larger; when the distance is reduced, the air outlet section of the air guide channel becomes smaller, and the air output volume will be
  • the present invention realizes the adjustment of the air output by adjusting the air guide cover plate, and satisfies the adjustment requirements for the air output in different operating conditions or scenarios.
  • the air guide cover plate can be installed on the casing so as to be able to translate up and down, and the partition part divides the air guide channel into an upper channel with an upward opening and a lower channel with an opening downward, so that the The wall-mounted air conditioner indoor unit has up-blowing mode and down-blowing mode to choose from, in order to enhance the cooling and heating effect.
  • the air deflector plate is moved to the position above the air outlet, and the air supply air is guided downward by the lower channel.
  • the air guide cover plate is moved to the position below the air outlet, and the air supply airflow is guided upward by the upper channel, the structure is simple and the adjustment is convenient.
  • the upper and lower surfaces of the partition are both concave arc surfaces, so that the direction change of the supply air flow is more gentle when it is blown out from the air outlet and then turned upward or downward. Helps to reduce wind loss and noise.
  • FIG. 1 is a schematic structural diagram of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
  • Fig. 2 is a schematic front view of the wall-mounted air conditioner indoor unit shown in Fig. 1;
  • Fig. 3 is a schematic top view of the wall-mounted air conditioner indoor unit shown in Fig. 1;
  • Fig. 4 is the M-M sectional view of Fig. 2;
  • Fig. 5 is the enlarged view of A place of Fig. 4;
  • Fig. 6 is a state schematic diagram of the wall-mounted air conditioner indoor unit shown in Fig. 1 after the translation section of the wind deflector plate is moved forward;
  • FIG. 7 is an enlarged cross-sectional view of the wall-mounted air conditioner indoor unit shown in FIG. 6;
  • Fig. 8 is a schematic diagram when the wall-mounted air conditioner indoor unit shown in Fig. 1 is switched to a downward blowing mode;
  • Fig. 9 is a schematic top view of the wall-mounted air conditioner indoor unit shown in Fig. 8;
  • Fig. 10 is the N-N sectional view of Fig. 9;
  • Fig. 11 is a schematic exploded view of the wall-mounted air conditioner indoor unit shown in Fig. 1;
  • Fig. 12 is an enlarged view at B of Fig. 11;
  • Fig. 13 is another perspective view of the wall-mounted air conditioner indoor unit shown in Fig. 1;
  • Figure 14 is a schematic diagram of the cooperation between the end cover and the second rack and pinion mechanism
  • Figure 15 is a schematic exploded view of the structure shown in Figure 14;
  • 16 is a schematic cross-sectional view of a wall-mounted air conditioner indoor unit according to another embodiment of the present invention.
  • the wall-mounted air conditioner indoor unit will be described below with reference to FIGS. 1 to 16 .
  • the orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention .
  • the flow direction of the supply air flow is indicated by arrows in the figure.
  • first”, “second”, etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as “first”, “second” etc. may expressly or implicitly include at least one of such features, ie including one or more of such features. In the description of the present invention, “plurality” means at least two, such as two, three, etc., unless otherwise expressly and specifically defined. When a feature "comprises or includes” one or some of the features it covers, unless specifically described otherwise, this indicates that other features are not excluded and that other features may be further included.
  • 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, which is used to regulate indoor air, such as cooling/heating, dehumidification, introducing fresh air, and so on.
  • FIG. 1 is a schematic structural diagram of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
  • FIG. 2 is a schematic front view of the wall-mounted air conditioner indoor unit shown in FIG. 1
  • FIG. 3 is a schematic diagram of the wall-mounted air conditioner indoor unit shown in FIG. 1 Schematic plan view
  • Fig. 4 is the M-M sectional view of Fig. 2
  • Fig. 5 is the enlarged view of the A place of Fig. 4
  • FIG. 7 is an enlarged cross-sectional view of the wall-mounted air conditioner indoor unit shown in FIG. 6 .
  • the wall-mounted air conditioner indoor unit may generally include a cabinet 10 and an air guide cover plate 20 .
  • the casing 10 is provided with an air outlet 12 for discharging the air supply air in the casing 10 to the room.
  • the supply air flow can be cold air produced by the wall-mounted air conditioner indoor unit in cooling mode, or hot air produced in heating mode, or fresh air introduced in fresh air mode, or purified air generated in purification mode, etc. Wait.
  • the casing 10 can be a horizontally extending elongated structure as a whole.
  • the air guide cover plate 20 is disposed outside the air outlet 12 to define an air guide channel 21 with the outer peripheral surface of the casing 10 . That is, the air guide cover plate 20 is parallel or nearly parallel to the outer peripheral surface of the casing 10 , and the space between them constitutes the air guide channel 21 .
  • the air guide channel 21 is used to guide the air supply air flowing out of the air outlet 12 to flow upward and/or downward along the outer peripheral surface of the cabinet 10 . That is, after being blown out from the air outlet 12 of the casing 10, the supply air flow (such as cold air, hot air, fresh air, or purified air) is blocked by the inner wall of the air guide cover plate 20 and cannot be directly blown out horizontally, but along the casing.
  • the periphery of 10 is blown up and/or down.
  • the upward and/or downward blowing here means that the supply air flow can be blown out only upwards, or only downwards, or both upwards and downwards.
  • Figures 1 to 5 illustrate the situation in which the supply air flow is blown upward
  • Figure 13 illustrates the solution in which the supply air flow can be blown up and down at the same time.
  • a Coanda effect also called a sticking effect
  • the cooling or heating effect of the wall-mounted air conditioner indoor unit is better, and it can also avoid cold or hot air blowing people and causing discomfort to the human body.
  • the area on the outer peripheral surface of the casing 10 through which the supply air flows can be a flat surface, so that the supply air flow can better fit the outer peripheral surface of the casing 10 .
  • the front surface of the casing 10 that is, the outer peripheral surface through which the fresh air flows, can make the front surface of the casing 10 a flat surface.
  • the air guide cover plate 20 is also configured such that the distance between at least part of the section and the outer peripheral surface of the casing 10 (marked B in FIG. 5 ) is adjustable, so as to adjust the air output from the air guide channel 21 .
  • the air outlet section of the air guide channel 21 becomes larger, the air outlet is smoother, and the air volume is larger, as shown in Figures 6 and 7;
  • the air outlet section of the air guide channel 21 becomes smaller, and the air outlet volume becomes smaller, as shown in FIG. 1 to FIG. 5 .
  • the embodiment of the present invention realizes the adjustment of the air output by adjusting the air guide cover plate 20, and meets the adjustment requirements for the air output in different operating conditions or scenarios.
  • the above-mentioned distance B between at least part of the section of the wind deflector plate 20 and the outer peripheral surface of the casing 10 is adjustable, including two cases.
  • the air guide cover plate 20 is formed as a whole, and the distance between the whole (all sections) of the wind guide cover plate 20 and the outer peripheral surface of the casing 10 is adjustable.
  • the wind deflector 20 includes a plurality of segments (two or more) that are spliced together, and part of the segment (one or more) is movable, so that the segment is connected to the outer peripheral surface of the casing 10
  • the spacing B is adjustable.
  • the wind deflector panel 20 includes a bearing section 202 and an adjustment section 201 .
  • the bearing section 202 is installed on the casing 10 .
  • the adjustment section 201 is positioned opposite to the air outlet 12 to define the aforementioned air guide channel 21 with the outer peripheral surface of the casing 10 .
  • the adjusting section 201 is movably installed on the bearing section 202 in a direction close to or away from the outer peripheral surface of the casing 10 , so as to adjust the distance from the outer peripheral surface of the casing 10 . That is, the adjusting section 201 is the aforementioned “partial section” whose distance from the outer peripheral surface of the casing 10 is adjustable.
  • the air outlet 12 can be opened on the front surface of the casing 10 .
  • the adjusting section 201 is located in front of the air outlet 12 so as to be opposite to the air outlet 12, and is mainly used for guiding the supply air flow.
  • the number of the bearing sections 202 is two, and the two bearing sections 202 extend rearward from the lateral ends of the adjustment section 201 respectively to be installed on the end covers 106 on the lateral two sides of the casing 10 respectively.
  • the wind deflector 20 is connected to the end cover 106 in the lateral direction of the casing 10 through the two bearing sections 202 , so that the appearance of the front side of the wind deflector 20 is more complete, and there is no need to set the front side of the casing 10 .
  • the drive mechanism results in occupying the air outlet space.
  • each bearing section 202 is provided with a wind blocking portion 2021 extending toward the end cover 106, so as to block the backward flow of the supply air flow, so that the supply air flow can flow upward or downward better, and prevent the backward flow from spreading and affecting the upward flow. , downward wind.
  • FIG. 8 is a schematic diagram of the wall-mounted air conditioner indoor unit shown in FIG. 1 when it is switched to a downward blowing mode
  • FIG. 9 is a schematic top view of the wall-mounted air conditioner indoor unit shown in FIG. 8 ;
  • the bearing section 202 of the wind deflector 20 can be mounted on the casing 10 so as to be able to translate up and down. It can be understood that when the bearing section 202 translates up and down, the adjusting section 201 will also translate up and down with the bearing section 202 .
  • the wind deflector 20 has a partition portion 23 protruding from the inner surface thereof toward the outer peripheral surface of the cabinet 10 . The partition part 23 is used to partition the air guide channel 21 into an upper channel 212 with an upward opening and a lower channel 214 with an opening downward.
  • the air deflector 20 is configured to: move so that the partition 23 is positioned above the air outlet 12 to guide the supply air flow downward by the lower channel 214, as shown in FIGS. 8 to 10; or move to make the partition 23 It is located below the air outlet 12 to guide the supply air flow upward by the upper channel 212 , as shown in FIG. 1 to FIG. 7 .
  • the indoor unit of the wall-mounted air conditioner has an upward blowing mode and a downward blowing mode for the system or the user to choose, so that the cooling and heating effects are significantly improved.
  • the air deflector 20 is moved to the position where the partition 23 is located above the air outlet 12, and the air flow is guided downward by the lower channel 214, as shown in FIG. 10 .
  • the air deflector 20 is moved to the position where the partition 23 is located below the air outlet 12, and the upper channel 212 guides the air supply upward, as shown in FIG. 4 .
  • the air deflector 20 can also be moved to a position between the upward blowing mode and the downward blowing mode, so that both the upper channel 212 and the lower channel 214 are communicated with the air outlet 12, so that a part of the air flow flowing out from the air outlet 12 It is guided upward by the upper channel 212, and the other part is guided downward by the lower channel 214, so as to send the air upward and downward at the same time, and improve the air conditioning speed.
  • the partition 23 has a tip 230 adjacent to the outer peripheral surface of the casing 10 .
  • the tip 230 is adjacent to the outer peripheral surface of the casing 10 , so that it can fit with the outer peripheral surface of the casing 10 .
  • the sealing performance between the partition 23 and the outer peripheral surface of the casing 10 is better, so as to prevent the airflow from leaking downward; when the air deflector 20 is in the downward blowing position, the partition The sealing performance between 23 and the outer peripheral surface of the casing 10 is better, and the upward leakage of the air flow is avoided.
  • the tip 230 is too close to the outer surface of the casing 10 , when the wind deflector 20 moves up and down, the tip 230 and the outer surface of the casing 10 may rub against each other, which may generate relatively large noise. To avoid the noise, a certain gap can also be reserved between the tip 230 and the outer surface of the casing 10 .
  • the upper surface 231 of the partition 23 starts from the tip 230 , extends away from the casing 10 (in the specific embodiment shown in the figures, refers to the front) and gradually slopes upward. , and a concave arc surface tangent to the inner surface of the rest of the air deflector 20 .
  • the lower surface 232 of the partition portion 23 is a concave arc surface that starts from the tip 230 , extends away from the casing 10 and slopes downward gradually, and is tangent to the inner surface of the rest of the air baffle plate 20 . . In this way, when the supply air flow is blown out from the air outlet 12 and then turned upward or downward, it will be gradually turned along the upper or lower surface of the partition 23, the process is more moderate, and the wind loss and noise are smaller.
  • the tip 230 of the partition 23 can be positioned opposite to the lower edge of the air outlet 12, so that the upper surface 231 of the partition 23 is in contact with the lower wall of the air duct 40, refer to Figure 4.
  • the upper surface 231 of the partition portion 23 is a concave arc surface, the upper surface 231 is equivalent to the extended section of the lower wall of the air duct 40 , so that the air flow from the air duct 40 is smooth and has low resistance. Enter the guide range of the partition part 23 .
  • the tip 230 of the partition 23 can be positioned opposite to the upper edge of the air outlet 12 so that the lower surface 232 of the partition 23 is in contact with the upper wall of the air duct 40
  • the lower surface 232 of the partition part 23 is a concave arc surface
  • the lower surface 232 is equivalent to the extended section of the upper wall of the air duct 40 , so that the supply air flow from the air duct 40 enters the partition smoothly and with low resistance guide range of the part 23 .
  • the entire front surface of the casing 10 can be a vertical plane (the front surface of the casing 10 is a part of the outer peripheral surface of the casing 10 ), specifically, it can be A vertical plane or a curved surface such as an arc surface whose axis extends vertically.
  • the air outlet 12 can be opened on the front surface of the casing 10 , and specifically can be the lower part of the front surface of the casing 10 . More specifically, the air outlet 12 may be a long strip with a longitudinal direction parallel to the lateral direction of the cabinet 10 .
  • the ratio of the distance (de) between the lower edge d of the air outlet 12 and the bottom end e of the front surface of the casing 10 and the width (cd) of the air outlet 12 is greater than 1/2, that is, de/cd>1/2 , preferably greater than 3/4.
  • the front surface of the casing 10 below the lower edge of the air outlet 12 has a sufficient length to guide the supply air to flow downward and enhance the Coanda effect.
  • Fig. 11 is a schematic exploded view of the wall-mounted air conditioner indoor unit shown in Fig. 1;
  • the wall-mounted air conditioner indoor unit includes at least one first rack and pinion mechanism for driving the adjustment section 201 to translate in a direction close to or away from the outer peripheral surface of the cabinet 10 .
  • Each of the first rack and pinion mechanisms includes a first motor 74 , a first gear 75 and a first rack 76 that mesh with each other.
  • the first motor 74 is mounted on the bearing section 202
  • the first gear 75 is mounted on the first motor 74
  • the first rack 76 is mounted on the adjusting section 201 .
  • the first motor 74 drives the first gear 75 to rotate
  • the first rack 76 translates to drive the adjustment section 201 to translate.
  • the number of the first rack-and-pinion mechanisms is preferably two, the two first motors 74 are respectively installed on the two bearing sections 202 , and the two first racks 76 are respectively located at the two lateral ends of the adjusting section 201 .
  • a slideway 27 is formed at the end of the bearing section 202 that is connected to the adjustment section 201
  • the first rack 76 is located at the end of the adjustment section 201 and is slidably installed in the slideway 27 , Translate in a direction close to or away from the outer peripheral surface of the casing 10 . That is, the bearing section 202 supports the adjusting section 201 through the slideway 27 and guides the moving direction thereof.
  • first racks 76 are provided on both lateral ends of the adjusting segment 201
  • slideways are provided on each of the two bearing segments 202 27.
  • Figure 13 is another perspective view of the wall-mounted air conditioner indoor unit shown in Figure 1;
  • Figure 14 is a schematic diagram of the cooperation between the end cover and the second rack and pinion mechanism;
  • Figure 15 is a schematic exploded view of the structure shown in Figure 14.
  • At least one end cover of the casing 10 is provided with a second rack and pinion mechanism, which is used to drive the wind deflector 20 to translate up and down, so as to switch between the upper blowing position and the lower blowing position.
  • both end covers 106 are provided with a second rack and pinion mechanism to drive the lateral ends of the wind deflector 20 to move up or down synchronously, so that the movement is more stable and smooth.
  • Each of the second rack and pinion mechanisms includes a second motor 71 , a second gear 72 and a second rack 73 that mesh with each other.
  • the second motor 71 is disposed inside the end cover 106 .
  • the second gear 72 is mounted on the second motor 71
  • the second rack 73 is disposed on the inner side of the end cover 106 so as to be able to translate up and down, and a part of the second gear 73 protrudes to the end of the end cover 106 through the vertical strip hole 1061 opened on the end cover 106 .
  • the outer side of the cover 106 so as to be connected with the wind deflector plate 20 .
  • the second motor 71 drives the second gear 72 to rotate
  • the second gear 72 drives the second rack 73 to translate up and down, so as to drive the wind deflector 20 to translate up and down.
  • a mounting member 107 can be fixed on the inner wall of the end cap 106 .
  • the mounting member 107 is connected with a plurality of mounting portions 1062 provided on the inner wall of the end cover 106 by screws through a plurality of mounting portions 1072 provided thereon.
  • Two vertically extending slide rails 1071 are formed on the mounting member 107 .
  • Two sliding grooves 731 with opposite opening directions are formed at both ends of the second rack 73 in the width direction, each sliding groove 731 is matched with a sliding rail 1071 to allow the second rack 73 to slide up and down along the mounting member 107 . That is, the function of the mounting member 107 is to form the slide rail 1071 so that the second rack 73 can be mounted thereon in translation up and down.
  • a bracket 108 is also fixed on the inner wall of the end cover 106 for installing the second motor 71 .
  • the second rack 73 is sandwiched between the second gear 72 and the mounting member 107 , or the second gear 72 is located on the side of the mounting member 107 facing away from the inner wall of the end cover 106 .
  • the side of the second rack 73 facing the second gear 72 is formed with teeth to engage with the second gear 72, and the side facing the end cover 106 protrudes outward to form a protruding bar 732, and the protruding bar 732 is formed by the vertical strip
  • the position hole 1061 extends out of the end cover 106 and is connected to the wind deflector plate 20, for example, by means of screws.
  • the protruding strips 732 can be connected to the wind shielding portion 2021 .
  • the wind blocking portion 2021 is used not only for connecting the protruding strips 732 but also for blocking the airflow, and the design is very ingenious.
  • the mounting member 107 and the bracket 108 are arranged on the inner wall of the end cover 106 to install the main structure of the second rack and pinion mechanism on the inner side of the end cover 106 without affecting the appearance of the wall-mounted air conditioner indoor unit. And by opening a vertical long strip hole 1061 on the end cover 106 to connect the wind deflector plate 20 located outside the end cover 106, the design is very simple and reasonable.
  • an air inlet 11 is opened on the top of the casing 10 , an air duct 40 is arranged inside the casing 10 , and the outlet of the air duct 40 is connected to the air outlet 12 .
  • the cross-flow fan 50 whose axis extends in the lateral direction is disposed at the inlet of the air duct 40 .
  • the three-stage heat exchanger 30 is surrounded above the cross-flow fan 50 .
  • Fig. 11 shows a more specific structure of the wall-mounted air conditioner indoor unit.
  • the casing 10 includes a front panel 101 , a front lower panel 102 , a bottom plate 103 , a casing 104 , a frame 105 and two end caps 106 .
  • the front panel 101 and the front lower panel 102 are connected to form the front part of the casing 10 , and the air outlet 12 is opened in the area where the two connect.
  • the bottom plate 103 constitutes the bottom of the cabinet 10 .
  • the cover 104 and the frame 105 are disposed on the rear side of the front panel 101 to form the air inlet 11 and the air duct 40 .
  • the two end caps 106 constitute the lateral ends of the casing 10 .
  • a motor 51 is installed at the end of the cross-flow fan 50 to drive the cross-flow fan 50 to rotate.
  • the motor 51 is mounted on the motor base 52 .
  • An electric control box 53 is installed on the lateral side of the motor base 52 .
  • a swing vane assembly 60 is installed at the air outlet 12 to adjust the left and right air outlet directions of the air outlet 12 .
  • a sensor 80 is installed above the lateral side of the bottom plate 103 to detect indoor conditions, so as to intelligently control the air conditioning control parameters (wind speed, wind direction, temperature, etc.) according to the indoor conditions (detected temperature, human condition, etc.).
  • the present invention does not limit the structure of the casing itself and the structures and forms of the components inside the casing. That is, other forms of heat exchangers, fans and air ducts can also be selected for the wall-mounted air conditioner indoor unit.
  • 16 is a schematic cross-sectional view of a wall-mounted air conditioner indoor unit according to another embodiment of the present invention.
  • the difference between this embodiment and the embodiment in FIGS. 1 to 15 is that in this embodiment, the two bearing sections 202 of the wind deflector 20 are fixedly installed on the casing 10 , and the partition 23 is located in the casing 10 .

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Abstract

一种壁挂式空调室内机，其包括机壳和导风罩板。机壳上开设有出风口。导风罩板设置在出风口外侧，以与机壳的外周面限定出导风通道，用于引导从出风口流出的送风气流沿机壳的外周面向上和/或向下流动；且导风罩板配置成使其至少部分区段与机壳外周面的间距可调，以便调节导风通道的出风量。本发明的壁挂式空调室内机具有良好的上吹效果和下吹效果。

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
由于冷空气密度相对较大，有下沉趋势，热空气密度相对较小，有上升趋势。因此，空调在制冷时需要将较冷风尽量向上吹，在制热时需要将热风尽量朝地面吹，以使冷风或热风在室内空间扩散更加均匀，使制冷制热速度更快。
现有的壁挂式空调室内机通常设置一个朝前的出风口，并利导风板、摆叶等导风结构引导送风气流的出风方向，实现上吹风或下吹风。但是，当前的各种导风结构导风角度比较有限，也仅能向斜上方或斜下方送风，冷风或热风难以抵达屋顶或地面，影响制冷或制热效果。
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，以加强壁挂式空调室内机的上吹风和/或下吹风效果。
本发明的进一步的目的是要使导风通道的出风量可调。
本发明的进一步的目的是要方便上吹模式和下吹模式的切换。
特别地，本发明提供了一种壁挂式空调室内机，其包括：
机壳，其上开设有出风口；和
导风罩板，设置在所述出风口外侧，以与所述机壳的外周面限定出导风通道，用于引导从所述出风口流出的送风气流沿所述机壳的外周面向上和/或向下流动；且
所述导风罩板配置成使其至少部分区段与所述机壳外周面的间距可调，以便调节所述导风通道的出风量。
可选地，所述导风罩板包括：承载段，安装于所述机壳；和调节段，与所述出风口位置相对，以与所述机壳的外周面限定出所述导风通道，且所述调节段沿接近或远离所述机壳外周面的方向上可移动地安装于所述承载段，以便调节其与所述机壳外周面的间距。
可选地，壁挂式空调室内机，其特征在于还包括：至少一个第一齿轮齿条机构，用于驱动所述调节段沿接近或远离所述机壳外周面的方向平移；且每个所述第一齿轮齿条机构包括第一电机、相互啮合的第一齿轮和第一齿条，所述第一电机安装于所述承载段，所述第一齿轮设置于所述第一电机上，所述第一齿条设置于所述调节段上。
可选地，所述承载段与所述调节段相接的端部形成有滑道，所述第一齿条位于所述调节段的端部，且可滑动地安装于所述滑道内，以沿接近或远离所述机壳外周面的方向平移。
可选地，所述承载段可上下平移地安装于所述机壳；所述导风罩板具有从其内侧表面朝所述机壳外周面凸出的分隔部，以将所述导风通道分隔为开口朝上的上通道和开口朝下的下通道，并配置成：可移动至使所述分隔部位于所述出风口上方的位置，以由所述下通道将所述送风气流向下引导；或移动至使所述分隔部位于所述出风口下方的位置，以由所述上通道将所述送风气流向上引导。
可选地，所述分隔部具有一邻近所述机壳外周面的尖端；所述分隔部的上表面为从所述尖端起始，朝远离所述机壳的方向延伸并逐渐向上倾斜，并与所述导风罩板其余部分内侧表面相切的内凹弧面；且所述分隔部的下表面为从所述尖端起始，朝远离所述机壳的方向延伸并逐渐向下倾斜，并与所述导风罩板其余部分内侧表面相切的内凹弧面。
可选地，所述出风口开设于所述机壳前表面；且所述调节段位于所述出风口的前方；所述承载段 的数量为两个，分别从所述调节段的横向两端处向后延伸出，以分别安装于所述机壳的横向两侧的端盖。
可选地，每个所述承载段具有朝所述端盖延伸的挡风部，以用于阻挡所述送风气流向后流动。
可选地，所述机壳的至少一个所述端盖上设置有第二齿轮齿条机构，用于驱动所述承载段上下平移，其包括第二电机、相互啮合的第二齿轮和第二齿条；所述第二电机设置于所述端盖内侧，所述第二齿轮安装于所述第二电机，所述第二齿条可上下平移地设置于所述端盖内侧，且其一部分通过所述端盖开设的竖直长条让位孔伸出至所述端盖外侧，并与所述导风罩板连接。
可选地，所述端盖内壁固定有一安装件，所述安装件形成有两个间隔设置且竖向延伸的滑轨，所述第二齿条的宽度方向的两端形成有开口方向相反的两个滑槽，每个所述滑槽与一个所述滑轨匹配，以允许所述第二齿条沿所述安装件上下滑动；所述端盖内壁还固定有一支架以安装所述第二电机，所述第二齿条被夹在所述第二齿轮与所述安装件之间，其朝向所述第二齿轮的一侧形成有齿以与所述第二齿轮啮合，朝向所述端盖的一侧向外凸出形成一凸条，所述凸条通过所述竖直长条让位孔伸出所述端盖并与所述导风罩板连接。
本发明的壁挂式空调室内机中，机壳外设置有一个导风罩板，导风罩板与机壳外周面限定出导风通道。机壳内部的送风气流(例如冷风、热风、新风或净化气流等)从机壳的出风口吹出后，受到导风罩板的阻挡，无法直接水平地吹出，而是沿着机壳的外周面向上和/或向下吹出。由于送风气流紧贴着机壳外周面流动，形成附壁效应，能够沿机壳外周面顺利到达屋顶或地面，因此壁挂式空调室内机的制冷或制热效果更好，同时也能避免冷风或热风吹人导致人体不舒适。
并且，本发明的壁挂式空调室内机中，导风罩板的至少部分区段与机壳外周面的间距可调。当该间距被调大后，导风通道的出风截面变大，出风更加顺畅，使出风量更大；当该间距被调小后，导风通道的出风截面变小，出风量将变小，本发明通过调节导风罩板实现了出风量的调节，满足了不同使用工况或情景对于出风量的调节需求。
进一步地，本发明的壁挂式空调室内机中，导风罩板可上下平移地安装于机壳，分隔部将导风通道分隔为开口朝上的上通道和开口朝下的下通道，以使壁挂式空调室内机具有上吹模式和下吹模式以供选择，以便提升制冷和制热效果。例如，当空调制热需要运行下吹模式时，将导风罩板移动至使分隔部位于出风口上方位置，由下通道将送风气流向下引导。当空调制冷需要运行上吹模式时，将导风罩板移动至使分隔部位于出风口下方位置，由上通道将送风气流向上引导，结构简单且调节方便。
进一步地，本发明的壁挂式空调室内机中，使分隔部的上下表面均为内凹的弧面，使送风气流在从出风口吹出然后向上或向下转向时，方向变化地更加缓和，有利于减少风力损失和噪声。
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前视图；
图3是图1所示壁挂式空调室内机的示意性俯视图；
图4是图2的M-M剖视图；
图5是图4的A处放大图；
图6是图1所示壁挂式空调室内机在导风罩板平移段前移后的状态示意图；
图7是图6所示壁挂式空调室内机的剖视放大图；
图8是图1所示壁挂式空调室内机切换至下吹模式时的示意图；
图9是图8所示壁挂式空调室内机的示意性俯视图；
图10是图9的N-N剖视图；
图11是图1所示壁挂式空调室内机的示意性爆炸图；
图12是图11的B处放大图；
图13是图1所示壁挂式空调室内机的另一角度示意图；
图14是端盖与第二齿轮齿条机构的配合示意图；
图15是图14所示结构的示意性爆炸图；
图16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。
具体实施方式
下面参照图1至图16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。图中用箭头示意了送风气流的流动方向。
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。
本发明实施例的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前视图；图3是图1所示壁挂式空调室内机的示意性俯视图；图4是图2的M-M剖视图；图5是图4的A处放大图；图6是图1所示壁挂式空调室内机在导风罩板平移段前移后的状态示意图；图7是图6所示壁挂式空调室内机的剖视放大图。
如图1至图6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和导风罩板20。
机壳10上开设有出风口12，用于将机壳10内的送风气流排向室内。该送风气流可为壁挂式空调室内机在制冷模式下制取的冷风，或者在制热模式下制取的热风，或者在新风模式下引入的新风，或者为净化模式下产生的净化气流等等。机壳10在整体上可为横向延伸的长条状结构。
导风罩板20设置在出风口12的外侧，以与机壳10的外周面限定出导风通道21。即，导风罩板20与机壳10的外周面平行或接近平行，两者之间间隔的空间构成导风通道21。导风通道21用于引导从出风口12流出的送风气流沿机壳10的外周面向上和/或向下流动。即，送风气流(例如冷风、热风、新风或净化气流等)从机壳10的出风口12吹出后，受到导风罩板20的内壁阻挡，无法直接水平地吹出，而是沿着机壳10的外周面向上和/或向下吹出。该处的向上和/或向下吹出指的是：可以使送风气流仅能向上吹出，或者仅能向下吹出，或者既能向上又能向下吹出。图1至图5即示意了送风气流向上吹出的情况，图13示意了送风气流能同时向上线下吹出的方案。
由于送风气流紧贴着机壳10的外周面向上或向下流动，能够形成附壁效应(也可称为贴附效应)，从而能够沿机壳10的外周面顺利到达屋顶或者地面，因此，壁挂式空调室内机的制冷或制热效果更好，同时也能避免冷风或热风吹人导致人体不适。
在一些实施例中，可使机壳10外周面中，有送风气流流经的区域为平坦表面，以利于送风气流更好地贴合着机壳10的外周面流动。如图1所示，对于出风口12开设于机壳10的前侧的方案，机壳10的前表面即新风气流流经的外周面，可使机壳10的前表面为平坦表面。
导风罩板20还配置成使其至少部分区段与机壳10的外周面的间距(图5标示的B)可调，以便调节导风通道21的出风量。
具体为，该间距B被调大后，导风通道21的出风截面变大，出风更顺畅，出风量更大，如图6和图7所示；当该间距B被调小后，导风通道21的出风截面变小，出风量变小，如图1至图5。本发明实施例通过调节导风罩板20实现了对出风量的调节，满足了不同使用工况或情景对于出风量的调节需求。
上述的导风罩板20的至少部分区段与机壳10的外周面的间距B可调，包括两种情况。具体为，使导风罩板20为一个整体，导风罩板20的整体(全部区段)与机壳10的外周面的间距可调。或者，使导风罩板20包括相拼接的多个区段(两个或更多)，使其中部分区段(一个或多个)可动，以使该区段与机壳10的外周面的间距B可调。
在一些实施例中，如图1至图7所示，使导风罩板20包括承载段202和调节段201。承载段202安装于机壳10。调节段201与出风口12位置相对，以与机壳10的外周面限定出前述的导风通道21。并且，调节段201在接近或远离机壳10的外周面的方向上可移动地安装于承载段202，以便调节其与机壳10的外周面的间距。即，该调节段201即前述的与机壳10的外周面间距可调的“部分区段”。
如图1至图7所示，可使出风口12开设于机壳10的前表面。调节段201位于出风口12的前方，以与出风口12相对，主要用于引导送风气流。承载段202的数量为两个，两个承载段202分别从调节段201的横向两端处向后延伸出，以分别安装于机壳10的横向两侧的端盖106。本实施例中，导风罩板20通过两个承载段202与机壳10横向的端盖106连接，使导风罩板20的前侧外观更加完整，也无需在机壳10的前侧设置驱动机构导致占据出风空间。并且，使每个承载段202具有朝端盖106延伸的挡风部2021，以用于阻挡送风气流向后流动，使送风气流更好地向上或向下流动，避免向后流动扩散影响向上、向下的风力。
图8是图1所示壁挂式空调室内机切换至下吹模式时的示意图；图9是图8所示壁挂式空调室内机的示意性俯视图；图10是图9的N-N剖视图。
在一些实施例中，如图1至图10所示，可使导风罩板20的承载段202可上下平移地安装于机壳10。可以理解的是，承载段202上下平移时，调节段201也将随承载段202上下平移。并且，导风罩板20具有从其内侧表面朝机壳10的外周面凸出的分隔部23。分隔部23用于将导风通道21分隔为开口朝上的上通道212和开口朝下的下通道214。导风罩板20配置成：可移动至使分隔部23位于出风口12上方位置，以由下通道214将送风气流向下引导，如图8至图10所示；或移动至使分隔部23位于出风口12下方位置，以由上通道212将送风气流向上引导，如图1至图7所示。
如此一来，壁挂式空调室内机具有上吹模式和下吹模式以供系统或用户选择，使制冷和制热效果得到显著提升。例如，当空调制热需要运行下吹模式时，将导风罩板20移动至使分隔部23位于出风口12上方位置，由下通道214将送风气流向下引导，如图10所示。当空调制冷需要运行上吹模式时，将导风罩板20移动至使分隔部23位于出风口12下方位置，由上通道212将送风气流向上引导，如图4所示。
当然，也可使导风罩板20移动至上吹模式与下吹模式之间的位置，使上通道212和下通道214均与出风口12连通，使从出风口12流出的送风气流的一部分由上通道212向上引导，另一部分由下通道214向下引导，以同时向上和向下送风，提升空气调节速度。
在一些实施例中，请参考图4和图5，分隔部23具有一邻近机壳10的外周面的尖端230。尖端230邻近机壳10的外周面，可使其与机壳10的外周面贴合。在导风罩板20处于上吹位置时，使分 隔部23与机壳10外周面之间密封性能更好，避免气流向下泄漏；在导风罩板20处于下吹位置时，使分隔部23与机壳10外周面之间密封性能更好，避免气流向上泄漏。当然，假如尖端230与机壳10的外表面相贴过紧，当导风罩板20上下移动时，尖端230与机壳10的外表面相互摩擦可能会产生较大噪声。为避免该噪声，也可使尖端230与机壳10的外表面保留一定的缝隙。
请参考图4和图5，分隔部23的上表面231为从尖端230起始，朝远离机壳10的方向(图中所示具体实施例中，指的是朝前)延伸并逐渐向上倾斜，并与导风罩板20其余部分内侧表面相切的内凹弧面。同样地，分隔部23的下表面232为从尖端230起始，朝远离机壳10的方向延伸并逐渐向下倾斜，并与导风罩板20的其余部分内侧表面相切的内凹弧面。如此一来，在送风气流在从出风口12吹出然后向上或向下转向时，将沿着分隔部23的上表面或下表面逐渐转向，过程更加缓和，风力损失和噪声更小。
当导风罩板20处于上吹模式时，可使分隔部23的尖端230与出风口12的下边缘位置相对，以使分隔部23的上表面231与风道40的下壁相接，参考图4。并且，由于分隔部23的上表面231为内凹弧面，这使得上表面231相当于风道40的下壁的延长区段，使得从风道40流出的送风气流很顺畅、低阻力地进入分隔部23的引导范围。
同样道理，当导风罩板20处于下吹模式时，可使分隔部23的尖端230与出风口12的上边缘位置相对，以使分隔部23的下表面232与风道40的上壁相接，参考图10。由于分隔部23的下表面232为内凹弧面，这使得下表面232相当于风道40的上壁的延长区段，使得从风道40流出的送风气流很顺畅、低阻力地进入分隔部23的引导范围。
在一些实施例中，如图1至图10所示，可使机壳10的前表面整体为竖直面(机壳10的前表面即机壳10的外周面的一部分)，具体地可为竖直的平面或者为轴线沿竖直延伸的弧面等曲面。出风口12可开设于机壳10的前表面，具体可为机壳10前表面的下部。出风口12更具体地可为长度方向平行于机壳10的横向方向的长条状。
请参考图5，出风口12的下边缘d距机壳10前表面底端e的间距(de)与出风口12的宽度(cd)之比大于1/2，即de/cd＞1/2，优选大于3/4。如此，当壁挂式空调室内机运行下吹模式时，使出风口12下边缘以下的机壳10前表面具有足够的长度来引导送风气流向下流动，提升附壁效应。此外，还可使分隔部23距导风罩板20底端的距离大于分隔部23距导风罩板20顶端的距离(具体可以分隔部23的尖端230为测量基准)，也就是使分隔部23处于导风罩板20的上部，以便在下吹模式时更好地引导气流下吹，弥补出风口12下侧的机壳前表面引导距离(即de)较短的缺陷。图11是图1所示壁挂式空调室内机的示意性爆炸图；图12的图11的B处放大图。
如图11和图12所示，在一些实施例中，壁挂式空调室内机包括至少一个第一齿轮齿条机构，用于驱动调节段201沿接近或远离机壳10的外周面的方向平移。
每个第一齿轮齿条机构包括第一电机74、相互啮合的第一齿轮75和第一齿条76。第一电机74安装于承载段202，第一齿轮75设置于第一电机74上，第一齿条76设置于调节段201上。第一电机74带动第一齿轮75转动时，使第一齿条76平移，以带动调节段201平移。具体地，第一齿轮齿条机构的数量优选为两个，两个第一电机74分别安装于两个承载段202，两个第一齿条76分别位于调节段201的横向两端。
如图12所示，使承载段202的与调节段201相接的端部形成有滑道27，第一齿条76位于调节段201的端部，且可滑动地安装于滑道27内，以沿接近或远离机壳10外周面的方向平移。即，承载段202通过滑道27对调节段201进行支撑，且对其移动方向进行导向。例如图12，对于设置有两个第一齿轮齿条机构的实施例而言，使调节段201的横向两端均设置有第一齿条76，使两个承载段202上各设置有滑道27。
图13是图1所示壁挂式空调室内机的另一角度示意图；图14是端盖与第二齿轮齿条机构的配合 示意图；图15是图14所示结构的示意性爆炸图。
如图13至图15所示，机壳10的至少一个端盖上设置有第二齿轮齿条机构，用于驱动导风罩板20上下平移，实现上吹位置和下吹位置之间的切换。优选地，使两个端盖106上均设置有第二齿轮齿条机构，以带动导风罩板20的横向两端同步上移或下移，使其移动更加平稳、顺畅。
每个第二齿轮齿条机构包括第二电机71、相互啮合的第二齿轮72和第二齿条73。第二电机71设置于端盖106的内侧。第二齿轮72安装于第二电机71，第二齿条73可上下平移地设置于端盖106的内侧，且其一部分通过端盖106上开设的竖直长条让位孔1061伸出至端盖106的外侧，以便与导风罩板20连接。第二电机71带动第二齿轮72转动时，第二齿轮72带动第二齿条73上下平移，以驱动导风罩板20上下平移。
具体地，如图14至图15所示，可使端盖106的内壁固定有一个安装件107。安装件107通过其上设置的多个安装部1072与端盖106的内壁设置的多个安装部1062通过螺钉连接。安装件107上形成有两个间隔设置且竖向延伸的滑轨1071。第二齿条73的宽度方向的两端形成有开口方向相反的两个滑槽731，每个滑槽731与一个滑轨1071匹配，以允许第二齿条73沿安装件107上下滑动。即，安装件107的作用是形成滑轨1071以使第二齿条73可上下平移地安装其上。
端盖106的内壁还固定有一支架108，以安装第二电机71。第二齿条73被夹在第二齿轮72与安装件107之间，或者说是第二齿轮72位于安装件107背向端盖106的内壁的一侧。第二齿条73朝向第二齿轮72的一侧形成有齿以与第二齿轮72啮合，朝向端盖106的一侧向外凸出形成一凸条732，凸条732通过竖直长条让位孔1061伸出端盖106并与导风罩板20连接，例如通过螺钉连接。具体地，可使凸条732连接于挡风部2021上。如此，使得挡风部2021既用于连接凸条732，又能阻挡气流，设计非常巧妙。
本实施例通过在端盖106的内壁设置安装件107和支架108，将第二齿轮齿条机构的主体结构安装于端盖106的内侧，不影响壁挂式空调室内机的外观。并通过在端盖106上开设竖直长条让位孔1061以连接位于端盖106外侧的导风罩板20，设计非常简单、合理。
如图4所示，机壳10的顶部开设有进风口11，机壳10的内部设置有风道40，风道40的出口连通出风口12。轴线沿横向方向延伸的贯流风机50设置于风道40的进口处。三段式换热器30围绕在贯流风机50的上方。壁挂式空调室内机运行制冷模式或制热模式时，室内空气经进风口11进入机壳10的内部，与三段式换热器30完成换热，最后被贯流风机50吸入风道40中，流向出风口12。
图11示意了壁挂式空调室内机的一种更为具体的结构。如图11所示，机壳10包括前面板101、前下面板102、底板103、罩壳104、骨架105和两个端盖106。前面板101与前下面板102相接构成机壳10的前部，出风口12开设于两者相接区域。底板103构成机壳10的底部。罩壳104与骨架105设置于前面板101后侧，形成进风口11和风道40。两个端盖106构成机壳10的横向两端部。贯流风机50的端部安装有电机51，以驱动贯流风机50转动。电机51安装于电机座52上。电机座52横向一侧安装有电控箱53。出风口12处安装有摆叶组件60，以调节出风口12的左右出风方向。底板103的横向一侧上方安装有传感器80，以用于对室内情况进行检测，从而根据室内情况(检测温度、人体情况等)对空调控制参数(风速、风向、温度等)进行智能化控制。
当然，本发明并不对机壳的本身的构造以及机壳内部的各部件的结构和形式进行限定。即，壁挂式空调室内机也可选择采用其他形式的换热器、风机以及风道。
图16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。
如图16所示，该实施例与图1至图15的实施例的不同点在于，该实施例中导风罩板20的两个承载段202固定安装于机壳10，且分隔部23位于出风口12的竖直方向的中部位置，以使下通道214和上通道212均与出风口12连通，由下通道214和上通道212各自引导部分送风气流，以使壁挂式空调室内机同时向上下两个方向送风，提升空气调节速度。
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，其上开设有出风口；和
    导风罩板，设置在所述出风口外侧，以与所述机壳的外周面限定出导风通道，用于引导从所述出风口流出的送风气流沿所述机壳的外周面向上和/或向下流动；且
    所述导风罩板配置成使其至少部分区段与所述机壳外周面的间距可调，以便调节所述导风通道的出风量。
  2. 根据权利要求1所述的壁挂式空调室内机，其中，所述导风罩板包括：
    承载段，安装于所述机壳；和
    调节段，与所述出风口位置相对，以与所述机壳的外周面限定出所述导风通道，且所述调节段沿接近或远离所述机壳外周面的方向上可移动地安装于所述承载段，以便调节其与所述机壳外周面的间距。
  3. 根据权利要求2所述的壁挂式空调室内机，还包括：
    至少一个第一齿轮齿条机构，用于驱动所述调节段沿接近或远离所述机壳外周面的方向平移；且
    每个所述第一齿轮齿条机构包括第一电机、相互啮合的第一齿轮和第一齿条，所述第一电机安装于所述承载段，所述第一齿轮设置于所述第一电机上，所述第一齿条设置于所述调节段上。
  4. 根据权利要求3所述的壁挂式空调室内机，其中，
    所述承载段与所述调节段相接的端部形成有滑道，所述第一齿条位于所述调节段的端部，且可滑动地安装于所述滑道内，以沿接近或远离所述机壳外周面的方向平移。
  5. 根据权利要求2所述的壁挂式空调室内机，其中，
    所述承载段可上下平移地安装于所述机壳；
    所述导风罩板具有从其内侧表面朝所述机壳外周面凸出的分隔部，以将所述导风通道分隔为开口朝上的上通道和开口朝下的下通道，并配置成：
    可移动至使所述分隔部位于所述出风口上方的位置，以由所述下通道将所述送风气流向下引导；或
    移动至使所述分隔部位于所述出风口下方的位置，以由所述上通道将所述送风气流向上引导。
  6. 根据权利要求5所述的壁挂式空调室内机，其中，
    所述分隔部具有一邻近所述机壳外周面的尖端；
    所述分隔部的上表面为从所述尖端起始，朝远离所述机壳的方向延伸并逐渐向上倾斜，并与所述导风罩板其余部分内侧表面相切的内凹弧面；且
    所述分隔部的下表面为从所述尖端起始，朝远离所述机壳的方向延伸并逐渐向下倾斜，并与所述导风罩板其余部分内侧表面相切的内凹弧面。
  7. 根据权利要求2所述的壁挂式空调室内机，其中，
    所述出风口开设于所述机壳前表面；
    所述调节段位于所述出风口的前方；且
    所述承载段的数量为两个，分别从所述调节段的横向两端处向后延伸出，以分别安装于所述机壳 的横向两侧的端盖。
  8. 根据权利要求7所述的壁挂式空调室内机，其中，
    每个所述承载段具有朝所述端盖延伸的挡风部，以用于阻挡所述送风气流向后流动。
  9. 根据权利要求7所述壁挂式空调室内机，其中，
    所述机壳的至少一个所述端盖上设置有第二齿轮齿条机构，用于驱动所述承载段上下平移，其包括第二电机、相互啮合的第二齿轮和第二齿条；
    所述第二电机设置于所述端盖内侧，所述第二齿轮安装于所述第二电机，所述第二齿条可上下平移地设置于所述端盖内侧，且其一部分通过所述端盖开设的竖直长条让位孔伸出至所述端盖外侧，并与所述导风罩板连接。
  10. 根据权利要求9所述的壁挂式空调室内机，其中，
    所述端盖内壁固定有一安装件，所述安装件形成有两个间隔设置且竖向延伸的滑轨，所述第二齿条的宽度方向的两端形成有开口方向相反的两个滑槽，每个所述滑槽与一个所述滑轨匹配，以允许所述第二齿条沿所述安装件上下滑动；
    所述端盖内壁还固定有一支架以安装所述第二电机，所述第二齿条被夹在所述第二齿轮与所述安装件之间，其朝向所述第二齿轮的一侧形成有齿以与所述第二齿轮啮合，朝向所述端盖的一侧向外凸出形成一凸条，所述凸条通过所述竖直长条让位孔伸出所述端盖并与所述导风罩板连接。
PCT/CN2021/134550 2021-03-31 2021-11-30 壁挂式空调室内机 WO2022205978A1 (zh)

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