WO2022151805A1 - 立式空调室内机 - Google Patents

立式空调室内机 Download PDF

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Publication number
WO2022151805A1
WO2022151805A1 PCT/CN2021/127664 CN2021127664W WO2022151805A1 WO 2022151805 A1 WO2022151805 A1 WO 2022151805A1 CN 2021127664 W CN2021127664 W CN 2021127664W WO 2022151805 A1 WO2022151805 A1 WO 2022151805A1
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WO
WIPO (PCT)
Prior art keywords
air
casing
indoor unit
conditioner indoor
ring
Prior art date
Application number
PCT/CN2021/127664
Other languages
English (en)
French (fr)
Inventor
张蕾
王晓刚
李英舒
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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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 WO2022151805A1 publication Critical patent/WO2022151805A1/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
    • 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022—Centrifugal or radial fans
    • 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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • 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
    • F24F13/22—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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for 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
    • 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 vertical 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 vertical air conditioner indoor unit is usually provided with an air outlet facing forward, and the air guide structure such as the air guide plate and the swing blade is used to guide the air outlet direction of the air supply air, so as to realize upward blowing or downward blowing.
  • the air guide structure such as the air guide plate and the swing blade is used to guide the air outlet direction of the air supply air, so as to realize upward blowing or downward blowing.
  • various current air guide structures have limited wind guide angles, and can only supply air obliquely upward or downward. It is difficult for cold air or hot air to reach the roof or floor area, which affects the cooling or heating effect.
  • the purpose of the present invention is to provide a vertical air conditioner indoor unit that overcomes the above problems or at least partially solves the above problems, and enhances the upward blowing and downward blowing effects of the vertical air conditioner indoor unit.
  • Another object of the present invention is to make the appearance of the vertical air conditioner indoor unit more stable and beautiful.
  • the present invention provides a vertical air conditioner indoor unit, which includes:
  • the air guide cover ring is sleeved on the outer periphery of the casing in a translatable manner, so as to define an upper channel with an upward opening and a lower channel with an opening downward together with the outer peripheral surface of the casing, and the wind guide cover ring is configured to:
  • the passage communicates with the air outlet to guide the supply air flow downwardly; or moves to a blow-up position where the upper passage communicates with the air outlet to guide the supply air flow upward; and
  • the outer cover ring is sleeved on the outside of the air guide cover ring and fixed to the casing, so that the air guide cover ring is hidden inside the outer cover ring when it is in the upward blowing position and the downward blowing position.
  • the air guide hood ring and the outer hood ring are both in vertical cylindrical shape as a whole, and the air guide hood ring is abutted against the inner side surface of the outer hood ring.
  • the wind deflector ring can be installed on the casing in a translational manner up and down, and has a partition that protrudes from its inner surface toward the outer peripheral surface of the casing to separate the upper channel and the lower channel, and the wind deflector ring is in the upward blowing position.
  • the partition part In the position, the partition part is below the air outlet, and when the air guide hood ring is in the downward blowing position, the partition part is above the air outlet.
  • the upper and lower surfaces of the partition are concave arc surfaces.
  • the vertical air conditioner indoor unit further includes: at least one rack and pinion mechanism for driving the air guide cover ring to translate up and down, each rack and pinion mechanism includes a motor, an intermeshing gear and a rack, and the motor is mounted on the casing. , the gear is mounted on the motor, and the rack extends along the vertical direction and is connected to the air guide hood ring.
  • the number of rack and pinion mechanisms is two, wherein the two motors are respectively installed on the lateral sides of the casing.
  • the air outlet is opened on the front side of the casing; the two lateral sides of the inner wall of the air guide hood ring are respectively provided with vertically extending wind blocking strips for blocking the backward flow of the supply air; and each wind blocking strip is formed with a rack.
  • the air outlet is in the shape of an elongated strip whose length direction is along the horizontal direction.
  • an air guide swing blade for guiding the air supply air upward or downward is installed at the air outlet.
  • the air outlet is located in the upper area of the front side of the casing, and the lower part of the rear side of the casing is provided with an air inlet; and the vertical air conditioner indoor unit also includes a centrifugal fan and a plate heat exchanger, and the centrifugal fan is arranged in front of the air inlet.
  • the sides and the axis extend in the front-rear direction, and the plate-shaped heat exchanger is disposed in the upper region of the casing gradually and inclined forward from top to bottom.
  • the air guide cover ring is sleeved on the outer periphery of the casing in a translational manner up and down, and defines an upper channel with an upward opening and a downward channel with an opening downward, so that the vertical air conditioner indoor unit has Up-blowing and down-blowing modes are available to enhance cooling and heating effects.
  • the air guide cover ring can be moved to the downward blowing position, and the lower channel guides the supply air to flow down against the outer peripheral surface of the cabinet.
  • the vertical air conditioner indoor unit of the present invention has better cooling or heating effect, and can also avoid cold air or hot air blowing directly on the human body to cause discomfort to the human body.
  • an outer cover ring is provided on the outer cover of the air guide cover ring. No matter what position the air guide cover ring is in, it is hidden inside the outer cover ring. Invisible, so as to maintain the stability and aesthetics of the appearance of the vertical air conditioner indoor unit.
  • the upper and lower surfaces of the partition portion are both concave arc surfaces, and the air outlet is provided with an air guide swing blade for guiding the supply air flow upward or downward, Both can make the direction change of the supply air flow more gentle when it is blown out from the air outlet and then turned upward or downward, reducing wind loss and noise.
  • FIG. 1 is a schematic structural diagram of a vertical air conditioner indoor unit according to an embodiment of the present invention
  • Fig. 2 is a schematic cross-sectional view of the vertical air conditioner indoor unit shown in Fig. 1;
  • Fig. 3 is a schematic diagram when the vertical air conditioner indoor unit shown in Fig. 2 is switched to an upward blowing mode;
  • Fig. 4 is the N-N sectional enlarged view of Fig. 2;
  • Fig. 5 is a schematic exploded view of the vertical air conditioner indoor unit shown in Fig. 1;
  • FIG. 6 is an enlarged view of part A of FIG. 5 .
  • the vertical air conditioner indoor unit will be described below with reference to FIGS. 1 to 6 .
  • 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.
  • Embodiments of the present invention provide a vertical air conditioner indoor unit for adjusting indoor air, such as cooling/heating, dehumidification, introducing fresh air, and the like.
  • FIG. 1 is a schematic structural diagram of a vertical air conditioner indoor unit according to an embodiment of the present invention
  • FIG. 2 is a schematic sectional view of the vertical air conditioner indoor unit shown in FIG. 1
  • FIG. 3 is a vertical air conditioner indoor unit shown in FIG. 2 switched to the upper Schematic diagram of blowing mode.
  • the vertical air conditioner indoor unit may generally include a casing 10 , an air guide cover ring 20 and an outer cover ring 90 .
  • 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 vertical air conditioner indoor unit in the cooling mode, hot air produced in the heating mode, or fresh air introduced in the fresh air mode, and so on.
  • the casing 10 as a whole is a vertically extending columnar structure, and the air outlet 12 can be arranged in the upper area of the front side of the casing 10 , referring to FIG. 2 .
  • the wind deflector ring 20 is translatably sleeved on the outer circumference of the casing 10 to define an upper channel 212 with an upward opening and a lower channel 214 with a downward opening together with the outer circumference of the casing 10 .
  • the air guide hood ring 20 is configured to: move to a downward blowing position where the lower channel 214 communicates with the air outlet 12 to guide the supply air flow downward; or move to a position where the upper channel 212 communicates with the air outlet 12 to direct the supply air flow upward Guided blow-up position.
  • the vertical air conditioner indoor unit of the embodiment of the present invention has an upward blowing mode and a downward blowing mode for selection, so as to improve the cooling and heating effects.
  • the air guide cover ring 20 can be moved to the downward blowing position, as shown in FIG. After flowing downward, the air supply air flows out of the lower channel 214, and continues to flow downward along the outer peripheral surface of the casing 10 by virtue of the Coanda effect, so as to reach the ground smoothly and form a carpet-like air supply effect.
  • the air conditioner is operating in the upward blowing mode, move the air guide cover ring 20 to the upward blowing position, as shown in FIG.
  • the upper channel 212 guides the supply air flow to flow up against the outer peripheral surface of the casing 10, and the supply air flow flows out of the upper channel After 212, rely on the Coanda effect to continue to flow upward along the outer peripheral surface of the cabinet 10, so as to reach the roof smoothly.
  • the indoor unit of the vertical air conditioner of the embodiment of the present invention has better cooling or heating effect, and can also avoid cold or hot air blowing people to cause discomfort to the human body.
  • the outer cover ring 90 is sleeved on the outside of the air guide cover ring 20 and fixed to the casing 10 so that the air guide cover ring 20 is hidden inside the outer cover ring 90 when it is in the upward blowing position and the downward blowing position. That is, the position and movement process of the air guide cover ring 20 are invisible, and the fixed outer cover ring 90 plays a decorative role, so as to maintain the stability of the appearance of the vertical air conditioner indoor unit.
  • the air guide cover ring 20 can be mounted on the casing 10 so as to be able to translate up and down, and has a partition protruding from its inner surface toward the outer peripheral surface of the casing 10 . 23, to separate the aforementioned upper channel 212 and lower channel 214. That is, the partition portion 23 partitions the annular space defined by the air guide hood ring 20 and the outer surface of the casing 10 into two upper and lower parts, which are the upper channel 212 and the lower channel 214 respectively.
  • the partition 23 is located below the air outlet 12, so that the upper channel 212 is connected to the air outlet 12; above, so that the lower channel 214 communicates with the air outlet 12 .
  • the air guide hood ring 20 and the outer hood ring 90 are both in vertical cylindrical shape as a whole, and the air guide hood ring 20 abuts against the inner surface of the outer hood ring 90 .
  • the aforementioned air guide cover ring 20 is a full ring, that is, a complete ring.
  • the air guide cover ring 20 can also be made into a semi-annular shape, so that it can surround the casing 10 with the circumferential section where the air outlet 12 is opened, instead of completely surrounding the casing 10 .
  • the upper and lower surfaces of the partition 23 can be both concave arc surfaces, so that when the supply air flow is blown out from the air outlet 12 and then turned upward or downward, its direction can be changed more and more. Moderate, reduce wind loss and noise.
  • FIG. 4 is an enlarged view of the N-N sectional view of FIG. 2 ;
  • FIG. 5 is a schematic exploded view of the vertical air conditioner indoor unit shown in FIG. 1 .
  • the air outlet 12 is an elongated shape with a lengthwise direction along the horizontal direction.
  • the lateral span of the air outlet 12 can be made larger, which is favorable for designing the upper channel 212 and the lower channel 214 to have a smaller width (the distance between the air guide ring 20 and the outer peripheral surface of the casing 10 ) and a smaller length (ie, the upper channel).
  • 212 and the lower channel 214 along the circumferential direction of the casing 10) are longer and flat, so that the air supply air can be more attached to the outer peripheral surface of the casing 10, so that the attachment effect is better.
  • the distance between the air guide cover ring 20 and the casing 10 is also made closer, so as to avoid the installation of the wind guide cover ring 20 to make the vertical air conditioner indoor unit thicker, which will affect the packaging and appearance.
  • the widths of the upper channel 212 and the lower channel 214 can be made equal, and the ratio of the width to the height of the air outlet 12 (the dimension of the air outlet 12 in the vertical direction) is 1/4 to 1/4. 3, for example, set it to 0.3 to achieve the best sticking effect.
  • FIG. 6 is an enlarged view of part A of FIG. 5 .
  • the vertical air conditioner indoor unit includes at least one rack and pinion mechanism for driving the air guide cover ring 20 to translate up and down.
  • Each rack and pinion mechanism includes a motor 70 , an intermeshing gear 80 and a rack 251 .
  • the motor 70 is mounted on the casing 10 .
  • the gear 80 is connected to the motor 70 .
  • the rack 251 extends in the vertical direction and is connected to the wind shroud ring 20 .
  • the rack 251 translates up and down, so as to drive the wind deflector ring 20 to translate up and down.
  • the number of rack-and-pinion mechanisms is preferably two, wherein the two motors 70 are installed on both lateral sides of the casing 10 respectively, so that the air guide ring 20 can translate up and down more smoothly.
  • the air outlet 12 is opened on the front side of the casing 10 , so that the two lateral sides of the inner wall of the air guide hood ring 20 are respectively provided with vertically extending wind blocking strips 25 for blocking the direction of the air supply.
  • the airflow is made to flow upwards or downwards only along the outer peripheral surface of the front side part of the casing 10 , so as to avoid its spreading and excessive dispersion and affecting its wind power.
  • each of the windshield bars 25 is formed with a rack 251 . That is to say, the rack 251 is arranged just by using the windshield 25, and the structure is more ingenious.
  • the air outlet 12 may be provided with an air guide swing blade 60 for guiding the supply air flow upward or downward.
  • the air-supplying air flow can be guided upward by the air guide swing vanes 60; when the downward blowing mode is operated, the air supply air flow can be guided downward by the air guiding swing vanes 60.
  • the wind guide swing blade 60 can be installed on the frame 61 , and the frame 61 is directly installed on the air outlet 12 .
  • the air outlet 12 can be located in the upper area of the front side of the casing 10 , and the air inlet 11 is opened at the lower part of the rear side of the casing 10 .
  • the vertical air conditioner indoor unit also includes a centrifugal fan 50 and a plate heat exchanger 30 .
  • the centrifugal fan 50 is disposed on the front side of the air inlet 11 and the axis extends in the front-rear direction, and the plate-shaped heat exchanger 30 is disposed in the upper region of the casing 10 gradually inclined forward from top to bottom.
  • the casing 10 is composed of a front casing 101 , a rear casing 102 , a top plate 103 and a bottom plate 104 .
  • the air outlet 12 is opened on the front casing 101
  • the air inlet 11 is opened on the rear casing 102 .
  • the volute 40 is disposed in the casing 10 and its inlet is opposite to the air inlet 11 .
  • the volute 40 includes a volute body 41 , a volute cover 42 , a gasket 44 and a water collecting tray 43 .
  • the plate heat exchanger 30 is located above the volute 40 , and its lower end is located above the water receiving pan 43 , so that the condensed water on the plate heat exchanger 30 drops into the water receiving pan 43 .
  • other air outlets can also be provided on the casing 10 to supply air in the forward, left and right directions in the normal mode.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Flow Control Members (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Abstract

一种立式空调室内机，其包括机壳(10)，其上开设有出风口(12)；导风罩环(20)，可平移地套在机壳(10)外周，以与机壳(10)的外周面共同限定出开口朝上的上通道(212)和开口朝下的下通道(214)，导风罩环(20)配置成：可移动至使下通道(214)连通出风口(12)，以将送风气流向下引导的下吹位置；或移动至使上通道(212)连通出风口(12)，以将送风气流向上引导的上吹位置；和外部罩环(90)，套设在导风罩环(20)外侧且固定于机壳(10)，以便导风罩环(20)在处于上吹位置和下吹位置时均隐藏在外部罩环(90)内部，具有良好的上吹效果和下吹效果。

Description

立式空调室内机 技术领域
本发明涉及空气调节技术领域，特别涉及一种立式空调室内机。
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。
现有的立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板区域，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立式空调室内机，加强立式空调室内机的上吹风和下吹风效果。
本发明的另一目的是要使立式空调室内机外观更加稳定、美观。
特别地，本发明提供了一种立式空调室内机，其包括：
机壳，其上开设有出风口；
导风罩环，可平移地套在机壳外周，以与机壳的外周面共同限定出开口朝上的上通道和开口朝下的下通道，导风罩环配置成：可移动至使下通道连通出风口，以将送风气流向下引导的下吹位置；或移动至使上通道连通出风口，以将送风气流向上引导的上吹位置；和
外部罩环，套设在导风罩环外侧且固定于机壳，以便导风罩环在处于上吹位置和下吹位置时均隐藏在外部罩环内部。
可选地，导风罩环和外部罩环整体均为竖置的筒状，导风罩环贴靠于外部罩环的内侧表面。
可选地，导风罩环可上下平移地安装于机壳，且具有从其内侧表面朝机壳外周面凸出的分隔部，以分隔出上通道和下通道，导风罩环处于上吹位置时，分隔部处于出风口下方，导风罩环处于下吹位置时，分隔部处于出风口 上方。
可选地，分隔部的上下表面均为内凹的弧面。
可选地，立式空调室内机还包括：至少一个齿轮齿条机构，用于驱动导风罩环上下平移，每个齿轮齿条机构包括电机、相互啮合齿轮和齿条，电机安装于机壳，齿轮安装于电机，齿条沿竖直方向延伸且连接于导风罩环。
可选地，齿轮齿条机构的数量为两个，其中两个电机分别安装于机壳的横向两侧。
可选地，出风口开设于机壳前侧；导风罩环内壁横向两侧分别具有竖直延伸的挡风条，用于阻挡送风气流向后流动；且每个挡风条上形成有一个齿条。
可选地，出风口为长度方向沿水平方向的长条形。
可选地，出风口处安装有用于将送风气流向上或向下引导的导风摆叶。
可选地，出风口位于机壳前侧上部区域，机壳的后侧下部开设有进风口；且立式空调室内机的还包括离心风机和板状换热器，离心风机设置在进风口前侧且轴线沿前后方向延伸，板状换热器从上至下逐渐向前倾斜地设置在机壳内的上部区域内。
本发明的立式空调室内机中，导风罩环可上下平移地套在机壳的外周，并限定出开口朝上的上通道和开口朝下的下通道，以使立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，当空调制热需要将送风气流向下吹送时，可将导风罩环移动至下吹位置，由下通道引导送风气流紧贴着机壳的外周面向下流动。送风气流流出下通道后，依靠附壁效应继续沿机壳的外周面向下流动，以便顺利到达地面，形成地毯式送风效果。同理，当空调制冷运行上吹模式时，将导风罩环移动至上吹位置，由上通道引导送风气流紧贴着机壳外周面向上流动，送风气流流出上通道后，依靠附壁效应继续沿机壳外周面向上流动，以便顺利到达屋顶。本发明的立式空调室内机的制冷或制热效果更好，也能避免冷风或热风直吹人体导致人体不适。
此外，本发明的立式空调室内机中，导风罩环外套设有一外部罩环，无论导风罩环处于何种位置，都隐藏在外部罩环内部，其所处位置以及移动过程都是不可见的，以便能保持立式空调室内机外观的稳定性和美观性。
进一步地，本发明的立式空调室内机中，使分隔部的上下表面均为内凹 的弧面，以及使出风口处安装有用于将送风气流向上或向下引导的导风摆叶，都能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，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立式空调室内机的结构示意图；
图2是图1所示立式空调室内机的示意性剖视图；
图3是图2所示立式空调室内机切换至上吹模式时的示意图；
图4是图2的N-N剖视放大图；
图5是图1所示立式空调室内机的示意性爆炸图；
图6是图5的A处放大图。
具体实施方式
下面参照图1至图6来描述本发明实施例的立式空调室内机。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。
本发明实施例提供了一种立式空调室内机，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立式空调室内机的结构示意图；图2是图1所示立式空调室内机的示意性剖视图；图3是图2所示立式空调室内机切换至上吹模式时的示意图。
如图1至图3所示，本发明实施例的立式空调室内机一般性地可包括机壳10、导风罩环20和外部罩环90。
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 送风气流可为立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等。机壳10整体为竖直延伸的柱状结构，可将出风口12设置在机壳10的前侧上部区域，参考图2。
导风罩环20可平移地套在机壳10的外周，以与机壳10的外周面共同限定出开口朝上的上通道212和开口朝下的下通道214。导风罩环20配置成：可移动至使下通道214连通出风口12，以将送风气流向下引导的下吹位置；或移动至使上通道212连通出风口12，以将送风气流向上引导的上吹位置。
本发明实施例的立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，当空调制热需要将送风气流向下吹送时，可将导风罩环20移动至下吹位置，如图2，以由下通道214引导送风气流紧贴着机壳10的外周面向下流动，送风气流流出下通道214后，依靠附壁效应继续沿机壳10的外周面向下流动，以便顺利到达地面，形成地毯式送风效果。当空调制冷运行上吹模式时，将导风罩环20移动至上吹位置，如图3，由上通道212引导送风气流紧贴着机壳10的外周面向上流动，送风气流流出上通道212后，依靠附壁效应继续沿机壳10的外周面向上流动，以便顺利到达屋顶。本发明实施例的立式空调室内机的制冷或制热效果更好，也能避免冷风或热风吹人导致人体不适。
外部罩环90套设在导风罩环20的外侧，且固定于机壳10，以便导风罩环20在处于上吹位置和下吹位置时均隐藏在外部罩环90的内部。即，导风罩环20所处位置以及移动过程都是不可见的，固定的外部罩环90起到装饰作用，以便保持立式空调室内机外观的稳定性。
在一些实施例中，如图1至图4所示，可使导风罩环20可上下平移地安装于机壳10，且具有从其内侧表面朝机壳10的外周面凸出的分隔部23，以分隔出前述的上通道212和下通道214。即，分隔部23将导风罩环20与机壳10的外表面限定的环状空间分隔为上下两部分，分别为上通道212和下通道214。导风罩环20处于上吹位置时，分隔部23处于出风口12的下方，以使上通道212连通出风口12；导风罩环20处于下吹位置时，分隔部23处于出风口12的上方，以使下通道214连通出风口12。
导风罩环20和外部罩环90整体均为竖置的筒状，导风罩环20贴靠于外部罩环90的内侧表面。进一步地，前述的导风罩环20为全环状，也即为一个完整的环圈。此外，也可使导风罩环20为半环状，使其能包围机壳10 开设有出风口12的周向区段即可，而无需完全包围机壳10。
如图2和图3所示，可使分隔部23的上下表面均为内凹的弧面，以便在送风气流在从出风口12吹出然后向上或向下转向时，使其方向变化地更加缓和，减少风力损失和噪声。
图4是图2的N-N剖视放大图；图5是图1所示立式空调室内机的示意性爆炸图。
如图5所示，出风口12为长度方向沿水平方向的长条形。如此一来，可使出风口12的横向跨度更大，利于将上通道212和下通道214设计为宽度(导风罩环20与机壳10外周面的间距)较小、长度(即上通道212和下通道214沿机壳10周向方向的尺寸)更长的扁平状，以利于送风气流更多地贴合于机壳10的外周面，使贴附效果更好。而且，也使导风罩环20与机壳10的距离更近，避免因设置导风罩环20使立式空调室内机变得更粗，以影响包装和美观。如图4所示，可进一步使上通道212和下通道214各处宽度均等，且其宽度与出风口12的高度(出风口12在竖直方向的尺寸)之比在1/4至1/3之间，例如设置为0.3，以取得最优的贴附效果。
图6是图5的A处放大图。
如图5和图6所示，立式空调室内机包括至少一个齿轮齿条机构，以用于驱动导风罩环20上下平移。每个齿轮齿条机构包括电机70、相互啮合的齿轮80和齿条251。电机70安装于机壳10。齿轮80连接于电机70。齿条251沿竖直方向延伸且连接于导风罩环20。电机70带动齿轮80转动时，使齿条251上下平移，以驱动导风罩环20上下平移。具体地，齿轮齿条机构的数量优选为两个，其中两个电机70分别安装于机壳10的横向两侧，以使导风罩环20更加平稳地上下平移。
如图5和图6所示，可出风口12开设于所述机壳10前侧，使导风罩环20内壁横向两侧分别具有竖直延伸的挡风条25，用于阻挡送风气流向后流动，使送风气流仅沿机壳10的前侧部分外周面向上或向下流动，避免其扩散地过于分散影响其风力。并且，每个挡风条25上形成有一个齿条251。即恰好利用挡风条25来设置齿条251，结构更加巧妙。
如图2至图5所示，可使出风口12处安装有用于将送风气流向上或向下引导的导风摆叶60。如此一来，在立式空调室内机运行上吹模式时，可利用导风摆叶60将送风气流向上引导；运行下吹模式时，可利用个导风摆叶 60将送风气流向下引导，以使送风气流在从出风口12吹出然后向上或向下转向时，方向变化地更加缓和，减少风力损失和噪声。导风摆叶60可安装于框架61上，框架61直接安装于出风口12。
如图2至图5所示，可使出风口12位于机壳10的前侧上部区域，机壳10的后侧下部开设有进风口11。立式空调室内机的还包括离心风机50和板状换热器30。离心风机50设置在进风口11的前侧且轴线沿前后方向延伸，板状换热器30从上至下逐渐向前倾斜地设置在机壳10内的上部区域内。
如图2至图5所示，机壳10由前壳101、后壳102、顶板103和底板104组成。出风口12开设于前壳101上，进风口11开设于后壳102上。蜗壳40设置在机壳10内且其进口与进风口11相对，蜗壳40包括蜗壳本体41、蜗壳盖板42、衬垫44和接水盘43。板状换热器30位于蜗壳40的上方，其下端处于接水盘43的上方，以使其上的冷凝水滴落在接水盘43内。此外，机壳10上还可设置其余出风口，以进行常规模式的向前、左、右方向送风。
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. 一种立式空调室内机，其特征在于包括：
    机壳，其上开设有出风口；
    导风罩环，可平移地套在所述机壳外周，以与所述机壳的外周面共同限定出开口朝上的上通道和开口朝下的下通道，所述导风罩环配置成：可移动至使所述下通道连通所述出风口，以将送风气流向下引导的下吹位置；或移动至使所述上通道连通所述出风口，以将送风气流向上引导的上吹位置；和
    外部罩环，套设在所述导风罩环外侧且固定于所述机壳，以便所述导风罩环在处于所述上吹位置和所述下吹位置时均隐藏在所述外部罩环内部。
  2. 根据权利要求1所述的立式空调室内机，其特征在于，
    所述导风罩环和所述外部罩环整体均为竖置的筒状，所述导风罩环贴靠于所述外部罩环的内侧表面。
  3. 根据权利要求1所述的立式空调室内机，其特征在于，
    所述导风罩环可上下平移地安装于所述机壳，且具有从其内侧表面朝所述机壳外周面凸出的分隔部，以分隔出所述上通道和所述下通道，所述导风罩环处于所述上吹位置时，所述分隔部处于所述出风口下方，导风罩环处于所述下吹位置时，所述分隔部处于所述出风口上方。
  4. 根据权利要求3所述的立式空调室内机，其特征在于，
    所述分隔部的上下表面均为内凹的弧面。
  5. 根据权利要求1所述的立式空调室内机，其特征在于还包括：
    至少一个齿轮齿条机构，用于驱动所述导风罩环上下平移，每个所述齿轮齿条机构包括电机、相互啮合齿轮和齿条，所述电机安装于所述机壳，所述齿轮安装于所述电机，所述齿条沿竖直方向延伸且连接于所述导风罩环。
  6. 根据权利要求5所述的立式空调室内机，其特征在于，
    所述齿轮齿条机构的数量为两个，其中两个所述电机分别安装于所述机壳的横向两侧。
  7. 根据权利要求6所述的立式空调室内机，其特征在于，
    所述出风口开设于所述机壳前侧；
    所述导风罩环内壁横向两侧分别具有竖直延伸的挡风条，用于阻挡送风气流向后流动；且
    每个所述挡风条上形成有一个所述齿条。
  8. 根据权利要求1所述的立式空调室内机，其特征在于，
    所述出风口为长度方向沿水平方向的长条形。
  9. 根据权利要求1所述的立式空调室内机，其特征在于，
    所述出风口处安装有用于将送风气流向上或向下引导的导风摆叶。
  10. 根据权利要求1所述的立式空调室内机，其特征在于，
    所述出风口位于所述机壳前侧上部区域，所述机壳的后侧下部开设有进风口；且
    所述立式空调室内机的还包括离心风机和板状换热器，所述离心风机设置在所述进风口前侧且轴线沿前后方向延伸，所述板状换热器从上至下逐渐向前倾斜地设置在所述机壳内的上部区域内。
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