WO2023082633A1 - Unité intérieure de climatiseur et son ensemble de guidage d'air - Google Patents

Unité intérieure de climatiseur et son ensemble de guidage d'air Download PDF

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Publication number
WO2023082633A1
WO2023082633A1 PCT/CN2022/098937 CN2022098937W WO2023082633A1 WO 2023082633 A1 WO2023082633 A1 WO 2023082633A1 CN 2022098937 W CN2022098937 W CN 2022098937W WO 2023082633 A1 WO2023082633 A1 WO 2023082633A1
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WO
WIPO (PCT)
Prior art keywords
air
swing
notch
triangular
guide assembly
Prior art date
Application number
PCT/CN2022/098937
Other languages
English (en)
Chinese (zh)
Inventor
刘宏宝
王永涛
王晓刚
尹晓英
张鹏
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 WO2023082633A1 publication Critical patent/WO2023082633A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • 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
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae

Definitions

  • the invention relates to the technical field of air conditioning, in particular to an air conditioner indoor unit and an air guide assembly thereof.
  • Air conditioner indoor units especially vertical air conditioner indoor units are usually provided with a plurality of swing leaves at the air outlet to guide the left and right air outlet directions.
  • the traditional swing leaves can only swing the wind left and right, and cannot satisfy the wind supply experience of natural wind without wind feeling.
  • the object of the present invention is to provide an air conditioner indoor unit and an air guide assembly thereof which overcome the above problems or at least partly solve the above problems.
  • the purpose of the present invention is to improve the windless effect of the air supply air flow of the air conditioner, making it closer to natural wind.
  • the present invention provides an air guide assembly for an air conditioner indoor unit, which is used to be installed at the air outlet of the air conditioner indoor unit to guide the air outlet direction of the air outlet, wherein,
  • the wind guide assembly includes a plurality of swing leaves, each of which is rotatably mounted on the air outlet around its own rotation axis, and at least two adjacent swing leaves are respectively provided with a plurality of notches on their edges, When the two adjacent swing leaves rotate to the coplanar state, the notches of the two adjacent swing leaves face each other to form a plurality of air diffusers.
  • At least some of the air diffusers are triangular air diffusers.
  • At least part of the notch opened on one edge of at least one swing leaf is a triangular notch, and at least part of the notch opened on the edge of another swing leaf adjacent to this edge is a trapezoidal notch with an open top edge , so that when the two swing vanes rotate to the coplanar state, the triangular notch and the trapezoidal notch are joined together to form the triangular air diffuser.
  • a plurality of triangular notches and a plurality of trapezoidal notches are formed on opposite side edges of each swing leaf.
  • the rotatable range of each swing leaf is larger than 180°, so as to allow the triangular notch of each swing leaf to face the trapezoidal notch of its adjacent swing leaf, and allow the swing The trapezoidal notch of the leaf is opposite to the triangular notch of the adjacent swinging leaf.
  • each of the swing leaves is in the shape of a long strip extending in the vertical direction, its rotation axis is parallel to its length direction, and each of the swing leaves is arranged in the transverse direction;
  • each swing leaf is provided with a plurality of triangular notches arranged along its length direction, and the other long side is provided with a plurality of trapezoidal notches arranged along its length direction.
  • the ratio of the width of the gap between them to the height of the triangular air diffuser is less than 0.07.
  • the triangular notch is an equilateral triangle
  • the trapezoidal notch is an isosceles trapezoid
  • the triangular air diffuser is an isosceles triangle
  • the ratio of the height of the triangular notch to the height of the trapezoidal notch is between 0.9 and 1.1.
  • an air conditioner indoor unit which includes:
  • At least one air guide assembly as described in any one of the above is installed at the air outlet to guide the air outlet direction of the air outlet.
  • the air guide assembly for the indoor unit of the air conditioner of the present invention does not open micro holes on each swing blade to obtain a breeze effect, thereby avoiding a large loss of air volume caused by dense openings of the swing blades to the air supply airflow.
  • notches are respectively opened on the edges of the swing leaves, and when the adjacent swing leaves are in the coplanar state (when all the swing leaves are in the coplanar state, each swing leaf closes the air outlet), the gaps of the adjacent swing leaves are relatively combined into discrete Air vents for a nice breeze effect.
  • the notch on the edge of the swing blade makes the edge uneven, and also has the effect of breaking up the airflow passing through, making the airflow more natural and comfortable. This way of opening the gap will not bring too much energy loss to the airflow, and the strength of the swing blade can also be guaranteed, and the reliability is better.
  • the air guide assembly of the present invention makes the air diffuser opening in a triangular shape, and according to aerodynamic principles, when an airflow passes through the triangular air diffuser opening, the flow velocity must be lower.
  • the bottom area of the triangular air diffuser (at the trapezoidal gap) has less pressure loss, slow flow velocity and small turbulent kinetic energy;
  • the top edge area (triangular gap) has large pressure loss, fast flow velocity and large turbulent kinetic energy.
  • the strong turbulent kinetic energy of the airflow in the top area will be biased towards the bottom area, and the rhythmic disturbance of the space flow field will be caused during the process of continuous mixing with the airflow in the bottom area, so that a soft, comfortable and natural windless environment will be produced. experience.
  • the rotatable range of each swing leaf is greater than 180°, and when the A swing leaf is in a closed state (coplanar with the adjacent B swing leaf), the triangular notch can be aligned with the The trapezoidal notches of the pendulum leaves of B are opposite. And when the two swing leaves rotate 180°, the trapezoidal notch of the A swing leaf can be opposite to the triangular notch of the B swing leaf. In this way, two matching methods are formed, making the air supply mode more diverse.
  • Fig. 1 is a schematic structural view of an air conditioner indoor unit according to an embodiment of the present invention
  • Fig. 2 is a schematic sectional view of the air conditioner indoor unit shown in Fig. 1;
  • Fig. 3 is an enlarged view of place A of Fig. 1;
  • Fig. 4 is a schematic diagram of the air conditioner indoor unit shown in Fig. 1 when the swing blades are in a coplanar state;
  • Fig. 5 is a schematic sectional view of the air conditioner indoor unit shown in Fig. 4;
  • Fig. 6 is an enlarged view at B of Fig. 4;
  • Fig. 7 is a schematic diagram of the state after each swing blade shown in Fig. 6 is rotated by 180°.
  • the air conditioner indoor unit and its air guide assembly will be described below with reference to FIGS. 1 to 7 .
  • 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 .
  • first”, “second”, etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, 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. In the description of the present invention, “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined. When a feature "comprises or comprises” one or some of the features it encompasses, unless specifically stated otherwise, this indicates that other features are not excluded and that other features may be further included.
  • the invention provides an air guide assembly for an air conditioner indoor unit and the air conditioner indoor unit.
  • the indoor unit of the air conditioner is an indoor part of the air conditioner, and is used for conditioning indoor air, such as cooling/heating, dehumidification, and/or introducing fresh air and the like.
  • the air guide assembly is used to be installed at the air outlet 12 of the casing 10 of the air conditioner indoor unit, so as to guide the direction of the air from the air outlet 12 .
  • Figure 1 is a schematic structural view of an air-conditioning indoor unit according to an embodiment of the present invention
  • Figure 2 is a schematic cross-sectional view of the air-conditioning indoor unit shown in Figure 1
  • Figure 3 is an enlarged view of A in Figure 1
  • FIG. 5 is a schematic cross-sectional view of the air-conditioning indoor unit shown in FIG. 4
  • FIG. 6 is an enlarged view of B in FIG. 4 .
  • the air guiding assembly of the embodiment of the present invention may generally include a plurality of swing vanes 50 .
  • Each swing blade 50 is rotatably mounted on the air outlet 12 around its own rotation axis. That is, each swing leaf 50 is rotatably arranged around its own axis, rather than all swing leaves 50 rotate around the same axis.
  • the swing blades 50 can be rotated synchronously through a movement mechanism, so as to direct the airflow from the air outlet 12 to the same direction at the same time. Synchronous kinematic mechanisms are very common in the prior art and will not be repeated here.
  • a plurality of swing blades 50 are in the state of jointly guiding the wind toward the front side of the air conditioner indoor unit, while in FIG. The air outlet 12 is closed.
  • Each swing vane 50 of the air guide assembly can be directly and rotatably installed on the casing 10 of the air conditioner indoor unit.
  • the air guide assembly can also include an outer frame, and each swing blade 50 is directly and rotatably installed on the outer frame, and then the outer frame is installed on the housing 10.
  • the specific structure is very easy to understand, and no drawings are used here to illustrate .
  • At least two adjacent swing leaves 50 are respectively provided with a plurality of notches on the edges.
  • the notches of the two adjacent swing blades 50 are made to face each other, so as to splice into a plurality of air diffuser openings.
  • each notch of the swing leaf A is opposite to each notch of the swing leaf B one by one, forming a plurality of air diffusers.
  • part of the swing leaves 50 (at least two swing leaves 50 ) of the wind guiding assembly may be provided with gaps, while other swing leaves 50 may not be opened.
  • FIG. 1 to FIG. 6 illustrate the embodiment in which all swing leaves 50 are notched.
  • micro holes are not provided on each swing blade 50 to obtain a breeze effect.
  • a plurality of microholes are densely provided in the swing blade 50 to obtain some breeze effects.
  • this solution would cause a large air volume loss to the air supply airflow, and only make the air volume smaller and the wind feeling lighter, but it does not have a good natural wind effect.
  • the embodiment of the present invention is unconventional, in particular, the edges of the swing leaves 50 are notched respectively, and the adjacent swing leaves 50 are in a coplanar state (when all the swing leaves 50 are in a coplanar state, each swing leaf 50 closes the air outlet 12) At the same time, the gaps of the adjacent swing leaves 50 are relatively joined together to form a diffused air outlet, which can achieve a good breeze effect.
  • the notch on the edge of the swing blade 50 makes the edge uneven, and also breaks up the airflow passing through, making the airflow more natural and comfortable. This way of opening the gap will not bring too much energy loss to the airflow, and the strength of the swing blade 50 can also be guaranteed, and the reliability is better.
  • At least part of the air diffuser is a triangular air diffuser 501 .
  • At least in part means part or all.
  • all the air diffusers are triangular air diffusers 501 , please refer to FIGS. 3 and 6 for details.
  • some of the diffuser outlets may also be triangular diffuser outlets, and the rest of the diffuser outlets may be diffuser outlets of other shapes. This form is easy to understand and will not be repeated here.
  • the bottom area of the triangular air diffuser 501 (at the trapezoidal notch 51) has little pressure loss, slow flow velocity and small turbulent kinetic energy;
  • the top area (at the triangular notch 52) has large pressure loss, fast flow velocity and large turbulent kinetic energy.
  • the strong turbulent kinetic energy of the airflow in the top area will be biased towards the bottom area, and the rhythmic disturbance of the space flow field will be caused during the process of continuous mixing with the airflow in the bottom area, so that a soft, comfortable and natural windless environment will be produced. experience.
  • At least a part of the notch (referring to a part of the notch or the whole notch) opened on one edge of at least one swing leaf 50 is a triangular notch 52, and another notch adjacent to the edge
  • the at least part of the notch (referring to a part of the notch or all the notch) provided on the edge of the swing leaf 50 is a trapezoidal notch 51 with an open top edge, so that when the two swing leaves 50 are rotated to a coplanar state, the triangular notch 52 is aligned with the trapezoidal notch.
  • the gaps 51 are relatively spliced to form a triangular air diffuser 501 .
  • triangular diffuser a triangular diffuser
  • triangular notch a triangular notch
  • trapezoidal notch in the embodiment of the present invention are not strictly limited to a triangle or trapezoid in a strict mathematical sense, but are roughly triangular or trapezoidal. That is, for example, each side can be straight or curved, and the corners can be sharp or rounded.
  • a plurality of triangular notches 52 and a plurality of trapezoidal notches 51 can be formed on opposite side edges of each swing leaf 50 .
  • the swing leaf 50 in the middle can form a triangular air diffuser opening 501 with the adjacent swing leaves 50 on both sides at the same time.
  • each swing leaf 50 is in the shape of a long strip extending vertically, its rotation axis is parallel to its length direction, and each swing leaf 50 is arranged in a transverse direction.
  • the air guide assembly formed by the vertical strip-shaped swing leaves 50 is especially suitable for air-conditioning indoor units with air outlets 12 in the shape of vertical strips, such as air-conditioning cabinets or vertical wall-mounted units.
  • each swing leaf 50 can also be extended horizontally or in other directions, so that it can be applied to conventional bar-shaped wall-mounted air conditioner indoor units, which will not be repeated here.
  • each swing leaf 50 (the lengths of both sides in the width direction of the swing leaf 50 are longer, called two long sides) can be provided with a plurality of
  • the other long side of the triangular notch 52 is provided with a plurality of trapezoidal notches 51 arranged along its length direction.
  • the inventors found that factors such as the shape and size of the triangular air diffuser 501 have a certain influence on the aforementioned airflow and breeze effect. For this reason, the inventor has determined some preferred solutions through calculation. Specifically, when two adjacent swing leaves 50 are in a coplanar state, the ratio of the gap width between them to the height of the triangular air diffuser 501 is less than 0.07, preferably less than 0.06, so that the gap width is smaller and the triangular air diffuser The 501 is more complete to make its perturbation better.
  • the triangular notch 52 an equilateral triangle, and the trapezoidal notch 51 is an isosceles trapezoid, so that the triangular air diffuser 501 is an isosceles triangle, so that the airflow of the triangular notch 52 is just aligned with the airflow of the trapezoidal notch 51, so that it can generate Stronger mixing perturbation effect. It is also possible to make the ratio of the height of the triangular notch 52 to the height of the trapezoidal notch 51 between 0.9 and 1.1, more preferably between 0.95 and 1.05, such as 1, to control the ratio of the airflow throughput of the two to achieve the optimum Excellent mixed disturbance effect.
  • the height direction of the triangular notch 52 extends along the horizontal direction, and the height direction of the trapezoidal notch 51 also extends along the horizontal direction, so that the height direction of the triangular air diffuser 501 spliced by the triangular notch 52 and the trapezoidal notch 51 also extends along the horizontal direction.
  • FIG. 7 is a schematic diagram of the state after each swing blade 50 shown in FIG. 6 is rotated by 180°.
  • the rotatable range of each swing leaf 50 can be greater than 180°, so as to allow the triangular notch 52 of each swing leaf 50 to face the trapezoidal notch 51 of its adjacent swing leaf 50, and allow the swing leaf The trapezoidal notch 51 of 50 is opposite to the triangular notch 52 of the adjacent swing leaf 50 .
  • the triangular notches 52 of the three swing leaves 50 are located on the right side, and the trapezoidal notches 51 are located on the left side, so as to form two rows of triangular air diffuser openings 501 with their tips facing left.
  • the triangular gaps 52 of the three swing blades 50 are all located on the left side, and the trapezoidal gap 51 is located on the right side, so as to form two columns of triangles with their tips facing right.
  • Tuyere 501 Different orientations of the tips of the triangular air diffuser openings 501 will inevitably lead to different air outlet directions. Therefore, in the embodiment of the present invention, different breeze effects can be obtained by rotating the swing blade 50 by 180°.
  • the rotation axis of the swing vane 50 can be located at the center of its width direction.
  • the embodiment of the present invention also provides an air conditioner indoor unit.
  • the air conditioner indoor unit may generally include a casing 10 and at least one air guide assembly as described in any of the above embodiments.
  • the casing 10 is provided with an air outlet, which is used to blow the air supply airflow (cold air, hot air or fresh air, etc.) in the casing 10 to the indoor environment, so as to realize the adjustment of the indoor environment.
  • the air guide assembly is installed at the air outlet 12 , to guide the air outlet direction of the air outlet 12.
  • the air conditioner indoor unit may be an air conditioner cabinet, which includes a casing 10 .
  • the casing 10 is in the shape of an upright strip.
  • the housing 10 defines an accommodating space for accommodating various components of the air conditioner indoor unit.
  • the front side of the housing 10 can be provided with two air outlets 12 arranged up and down, and each air outlet 12 is provided with an air guiding device.
  • the air-conditioning indoor unit may be an indoor part of a split-type room air conditioner that utilizes a vapor compression refrigeration cycle system for cooling/heating.
  • a heat exchanger 30 and a fan 40 are provided inside the casing 10 .
  • the heat exchanger 30 and the throttling device are connected with the compressor, the condenser and other refrigeration elements arranged inside the air-conditioning room through pipelines to form a vapor compression refrigeration cycle system.
  • the indoor air enters the interior of the housing 10 through the air inlet opened by the housing 10, and after completing forced convection heat exchange with the heat exchanger 30, heat exchange air is formed and enters the air duct 20, and then passes through the air outlet.
  • the fan 40 is preferably a cross-flow fan whose axis is parallel to the length direction of the casing 10 , and is arranged at the inlet of the air duct 20 .

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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

La présente invention concerne une unité intérieure de climatiseur et son ensemble de guidage d'air. L'ensemble de guidage d'air est utilisé pour être monté au niveau d'une sortie d'air de l'unité intérieure de climatiseur de façon à guider une direction de sortie d'air de la sortie d'air, l'ensemble de guidage d'air comprenant une pluralité de pales oscillantes, chaque pale oscillante pouvant être montée de manière rotative au niveau de la sortie d'air autour d'un axe de rotation de la pale oscillante, et une pluralité d'encoches étant formées respectivement dans les bords d'au moins deux pales oscillantes adjacentes, de sorte que lorsque les deux pales oscillantes adjacentes se mettent en rotation pour se trouver dans un état coplanaire, les encoches des deux pales oscillantes adjacentes sont opposées l'une à l'autre de manière à être assemblées pour former une pluralité d'ouvertures de dispersion d'air. La présente invention améliore un effet sans vent du flux d'air d'alimentation en air du climatiseur, et le flux d'air d'alimentation en air est plus proche du vent naturel.
PCT/CN2022/098937 2021-11-09 2022-06-15 Unité intérieure de climatiseur et son ensemble de guidage d'air WO2023082633A1 (fr)

Applications Claiming Priority (2)

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CN202111319972.3 2021-11-09
CN202111319972.3A CN114060921A (zh) 2021-11-09 2021-11-09 空调室内机及其导风组件

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114060921A (zh) * 2021-11-09 2022-02-18 青岛海尔空调器有限总公司 空调室内机及其导风组件

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CN1914424A (zh) * 2004-09-30 2007-02-14 大金工业株式会社 送风机的叶轮以及具有这种叶轮的空调机
CN105588315A (zh) * 2015-09-25 2016-05-18 青岛海信日立空调系统有限公司 一种空调器室内机的出风口结构
CN208606360U (zh) * 2018-08-01 2019-03-15 四川长虹电器股份有限公司 柜机空调出风口导风结构
US20210123611A1 (en) * 2019-10-28 2021-04-29 Samsung Electronics Co., Ltd. Diffuser, diffuser assembly, and air conditioner having the same
CN213981386U (zh) * 2020-12-24 2021-08-17 河北工业大学 一种锯齿型振动风扇叶片
CN114060921A (zh) * 2021-11-09 2022-02-18 青岛海尔空调器有限总公司 空调室内机及其导风组件
CN216976921U (zh) * 2021-11-09 2022-07-15 青岛海尔空调器有限总公司 空调室内机及其导风组件

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1914424A (zh) * 2004-09-30 2007-02-14 大金工业株式会社 送风机的叶轮以及具有这种叶轮的空调机
CN105588315A (zh) * 2015-09-25 2016-05-18 青岛海信日立空调系统有限公司 一种空调器室内机的出风口结构
CN208606360U (zh) * 2018-08-01 2019-03-15 四川长虹电器股份有限公司 柜机空调出风口导风结构
US20210123611A1 (en) * 2019-10-28 2021-04-29 Samsung Electronics Co., Ltd. Diffuser, diffuser assembly, and air conditioner having the same
CN213981386U (zh) * 2020-12-24 2021-08-17 河北工业大学 一种锯齿型振动风扇叶片
CN114060921A (zh) * 2021-11-09 2022-02-18 青岛海尔空调器有限总公司 空调室内机及其导风组件
CN216976921U (zh) * 2021-11-09 2022-07-15 青岛海尔空调器有限总公司 空调室内机及其导风组件

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