WO2019024551A1 - 空调室内机 - Google Patents

空调室内机 Download PDF

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Publication number
WO2019024551A1
WO2019024551A1 PCT/CN2018/084928 CN2018084928W WO2019024551A1 WO 2019024551 A1 WO2019024551 A1 WO 2019024551A1 CN 2018084928 W CN2018084928 W CN 2018084928W WO 2019024551 A1 WO2019024551 A1 WO 2019024551A1
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WO
WIPO (PCT)
Prior art keywords
air
indoor unit
deflector
unit according
outlet
Prior art date
Application number
PCT/CN2018/084928
Other languages
English (en)
French (fr)
Inventor
朱懋成
李胜奇
Original Assignee
广东美的制冷设备有限公司
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
Priority claimed from CN201710643842.2A external-priority patent/CN107449038B/zh
Priority claimed from CN201720948871.5U external-priority patent/CN207334909U/zh
Application filed by 广东美的制冷设备有限公司 filed Critical 广东美的制冷设备有限公司
Priority to KR1020207003294A priority Critical patent/KR102300973B1/ko
Priority to AU2018311609A priority patent/AU2018311609B2/en
Priority to BR112020006317-7A priority patent/BR112020006317B1/pt
Priority to JP2019557374A priority patent/JP6861845B2/ja
Priority to EP18841337.1A priority patent/EP3604934B1/en
Publication of WO2019024551A1 publication Critical patent/WO2019024551A1/zh
Priority to US16/776,859 priority patent/US11635228B2/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise

Definitions

  • the invention relates to the technical field of household appliances, and in particular to an indoor unit of an air conditioner.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. Accordingly, the present invention is directed to an air conditioner indoor unit that can achieve a windless effect.
  • An air conditioner indoor unit includes: a body having an air outlet; an outer air deflector, the outer air deflector being disposed at the air outlet for opening and closing the air outlet; a wind deflector, the inner air deflector is disposed at the air outlet and located inside the outer air deflector, and the inner air deflector is formed with a plurality of air diffusing holes penetrating in a thickness direction, wherein the inner wind deflector The sum of the areas of the plurality of vent holes on the wind deflector is not less than 50% of the total area of the inner deflector.
  • a plurality of air diffusing holes are provided through the inner air guiding plate, and the sum of the areas of the plurality of air diffusing holes is not less than 50% of the total area of the inner air guiding plate, when the airflow passes through the wind diffusing air When the hole is blown out, the wind speed and air volume can be effectively reduced, and the cooling and heating efficiency of the indoor environment can be ensured.
  • the total area of the inner air deflector is not less than 45% of the area of the air outlet.
  • the projected area of the inner air deflector along its thickness direction is not less than 70% of the total area of the air outlet.
  • the blast hole comprises a first hole segment and a second hole segment that are sequentially connected in the wind direction, and an outlet size of the first hole segment is larger than an inlet size of the second hole segment to form Parting surface.
  • the first hole segment gradually contracts in the wind direction
  • the second hole segment gradually expands in the wind direction
  • the parting surface is planar.
  • the vent hole has an inlet area that is no greater than the outlet area.
  • the distance between the parting surface and the outlet end of the blast hole is not more than one-half of the total length of the blast hole.
  • At least a portion of the plurality of vent holes are sequentially decreasing, sequentially increasing, or remaining constant in a direction from top to bottom.
  • At least a portion of the plurality of blast holes are sequentially arranged along a predetermined straight line or curve.
  • the blast aperture has a bore diameter in the range of 2 mm to 4 mm.
  • an angle between a centerline of the blast hole and a horizontal plane when the inner wind deflector is perpendicular to the wind direction is in a range of -10° to 10°.
  • the inner air deflector is rotatable between a windless state and an open state, and the inner air deflector extends into the air outlet and along the air outlet in the open state The direction is set, and the inner air deflector is flush with the outer edge contour of the body in the windless state.
  • the inner air deflector is made of at least one of ordinary ABS, modified ABS, PC, and modified PC.
  • the vent hole has a circular, elliptical, triangular or polygonal cross section.
  • FIG. 1 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention, wherein an outer air deflector opens an air outlet and the inner air deflector is in a windless state;
  • FIG. 2 is a schematic view of another angle of the air conditioning indoor unit shown in Figure 1;
  • Figure 3 is a cross-sectional view taken along line A-A of the drawing.
  • Figure 4 is an enlarged view of the circled B in Figure 3;
  • Figure 5 is an enlarged view of the circled C in Figure 4.
  • Figure 6 is an enlarged view of the circled B in Figure 3, wherein the arrow points to the direction of the wind;
  • FIG. 7 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention, wherein an outer air deflector closes an air outlet;
  • Figure 8 is a cross-sectional view of the air conditioning indoor unit shown in Figure 7;
  • Figure 9 is an enlarged view of the circled D in Figure 8.
  • FIG. 10 is a schematic diagram of an indoor unit of an air conditioner according to an embodiment of the present invention, wherein an outer air deflector opens an air outlet and an inner air deflector is in an open state;
  • Figure 11 is a cross-sectional view of the air conditioning indoor unit shown in Figure 10;
  • Figure 12 is an enlarged view of the circled at E in Figure 11;
  • Figure 13 is a schematic view of the air conditioner indoor unit shown in Figure 2;
  • Figure 14 is an enlarged view of the circled portion F in Figure 13 .
  • Air conditioning indoor unit 100 Air conditioning indoor unit 100,
  • the inner air deflector 3 the air diffusing hole 31, the first hole section 311, the second hole section 312, and the parting surface 313.
  • the air conditioner indoor unit 100 is assembled with an outdoor unit into an air conditioner for adjusting the indoor ambient temperature.
  • the air conditioner may be a split wall type air conditioner, and the air conditioner may be a single cold machine or a warm air warmer.
  • the air conditioner is used as a cooling and warming machine as an example, and the air conditioner indoor unit 100 includes a windless feeling. Mode, cooling wind mode and heating wind mode.
  • an air conditioner indoor unit 100 includes: a body 1, an outer air deflector 2, and an inner air deflector 3. Wherein, all the components of the air-conditioning indoor unit 100 are installed in the body 1, and the body 1 can play the role of supporting and protecting the internal components on the one hand, and can also play a certain decorative effect on the other hand.
  • the body 1 comprises a chassis, a face frame and a panel.
  • the face frame is arranged on the chassis, the front side of the face frame is open, the panel is arranged on the front side of the face frame, and the air outlet 11 is defined between the lower end of the face plate and the face frame.
  • the face frame may be rotatably or detachably disposed on the chassis, and the panel may be rotatably or detachably disposed on the face frame.
  • the air-conditioning indoor unit 100 has an air outlet frame for circulating air, and the air-conditioning indoor unit 100 further includes components such as a heat exchanger, a fan, an electric control box, and the like provided in the body 1.
  • the airframe 11 has an air outlet 11; the outer air deflector 2 is disposed at the air outlet 11, and the outer air deflector 2 is used to open and close the air outlet 11; for example, the edge of the outer air deflector 2 and the air outlet 11
  • the pivotal connection is made to open and close the air outlet 11 by rotating the outer air deflector 2.
  • the outer air deflector 2 opens the air outlet 11, the inner space of the air conditioner indoor unit 100 communicates with the indoor space, and the airflow can be blown into the room through the air outlet 11, and at this time, the outer air deflector 2 can guide the airflow that is blown out.
  • the outer air deflector 2 closes the air outlet 11, the outer air deflector 2 and the outer edge contour of the body 1 are flush, so as to close the air outlet 11, at this time, the inner space and the indoor space of the air conditioner indoor unit 100 Not connected.
  • the outer air deflector 2 can also rotate around the rotating shaft of the outer air deflector 2 to realize the swing wind.
  • the inner air deflector 3 is disposed at the air outlet 11 , and the inner air deflector 3 is located at the inner side of the outer air deflector 2 .
  • the inner air deflector 3 is rotatably disposed at the air outlet 11 , and the inner air deflector 3 When rotating to a certain angle, the inner air deflector 3 can be used to guide the blown airflow to adjust the wind angle.
  • the inner air deflector 3 can also rotate around its rotation axis to realize the swing wind.
  • the inner wind deflector 3 is formed with a plurality of air diffusing holes 31 penetrating the inner wind deflecting plate 3 in the thickness direction of the inner wind deflecting plate 3.
  • the cross section of the vent hole 31 is circular, elliptical, triangular or polygonal.
  • the inner air deflector 3 is in a windless state (such as the state in which the inner air deflector is shown in FIG. 4) and an open state (such as the state in which the inner air deflector 3 is shown in FIG. 11). It can be rotated. As shown in FIG. 11, when the inner air deflector 3 is in an open state, the inner air deflector 3 extends into the air outlet 11 and is disposed along the air outlet direction (ie, the inner air deflector 3 is substantially parallel to the air outlet direction). When the outer air deflector 2 is rotated to open the air outlet 11, the airflow can be directly blown out through the air outlet 11.
  • the air conditioner indoor unit 100 is in the wind sense mode, that is, the hot air or the cold air is directly blown to adjust the indoor temperature.
  • both the outer air deflector 2 and the inner air deflector 3 play a guiding role in the flow direction of the airflow to improve the cooling or heating effect.
  • the inner air deflector 3 when the inner air deflector 3 is in a windless state, the inner air deflector 3 is flush with the outer edge contour of the body 1 (the inner air deflector 3 is substantially perpendicular to the wind direction). At this time, if the outer air deflector 2 is rotated to open the air outlet 11, the airflow can be blown through the air diffusing holes 31 in the inner air deflector 3, and at this time, the air conditioning indoor unit 100 is in the windless mode.
  • the inner air deflector 3 can have a certain blocking effect on the airflow that is blown out, and only allows the airflow to be blown out through the air diffusing hole 31, thereby reducing the wind speed and the air volume, and tending to be windless, thereby achieving no wind.
  • the effect of feeling Effectively avoid air-conditioning diseases caused by direct airflow to people, and the user experience is better.
  • the sum of the areas of the plurality of air diffusing holes 31 on the inner air deflector 3 is not less than 50% of the total area of the inner air deflector 3.
  • a plurality of air diffusing holes 31 are provided through the inner air guiding plate 3, and the sum of the areas of the plurality of air diffusing holes 31 is not less than 50 of the total area of the inner air guiding plate 3. %, when the airflow is blown through the air diffusing hole 31, the wind speed and the air volume can be effectively reduced, and the cooling and heating efficiency for the indoor environment can be ensured.
  • the total area of the inner air deflector 3 is not Less than 45% of the area of the air outlet 11. Thereby, it can be ensured that the inner air deflector effectively reduces the wind speed and the air volume when it is perpendicular to the wind direction, thereby achieving an effect of no wind feeling.
  • the total area of the inner air deflector 3 may be greater than 55%, 65% or 75% of the area of the air outlet 11, and the like.
  • the total area of the inner air deflector 3 includes the area of the air diffusing holes 31 on the inner air deflector 3.
  • the projected area of the inner deflector 3 in its thickness direction is not less than 70% of the total area of the air outlet 11.
  • the inner air deflector 3 can effectively block the air volume and the wind speed of the air outlet 11, thereby achieving a windless effect and improving the user experience.
  • the projected area of the inner air deflector 3 along its thickness direction may be 80%, 85% or 90% of the total area of the air outlet 11, and the like.
  • the vent hole 31 may include a first hole segment 311 and a second hole segment 312, and the first hole segment 311 and the second hole segment 312 follow the wind.
  • the directions (for example, the arrows shown in FIG. 6) are sequentially connected, and the outlet size of the first hole segment 311 is larger than the inlet size of the second hole segment 312, thereby forming a connection position at the first hole segment 311 and the second hole segment 312.
  • the parting surface 313 can further reduce the wind speed and the air volume of the airflow in the air diffusing hole 31, and further realize the windless effect.
  • the provision of the parting surface 313 also facilitates the formation of the vent hole 31, simplifying the structure.
  • the first hole segment 311 is gradually contracted in the wind direction, and the second hole segment 312 is gradually enlarged in the wind direction.
  • the aperture of the first hole segment 311 gradually decreases, and the aperture of the second hole segment 312 gradually increases, whereby the air volume of the airflow can be gradually reduced in the first hole segment 311,
  • the flow velocity of the airflow can be gradually reduced, which is beneficial to achieve a windless effect.
  • the parting surface 313 may be a flat surface.
  • the structure can be simplified, the processing and manufacturing can be facilitated, and at the same time, the effect of reducing the air volume and the wind speed can be achieved.
  • the inlet area of the blast hole 31 is not greater than the outlet area, that is, the inlet area of the blast hole 31 may be equal to the outlet area, and the inlet area of the blast hole 31 may be smaller than the outlet area.
  • the outlet wind speed of the air diffusing hole 31 can be made not greater than the inlet wind speed, so that the outlet wind speed of the air diffusing hole 31 is smaller than the inlet wind speed, thereby reducing the air volume and the wind speed, and achieving the windless wind feeling.
  • the invention is not limited thereto, and the inlet area of the vent hole 31 may also be larger than the outlet area. To reduce the amount of air from the exit.
  • the distance between the parting surface 313 of the blast hole 31 and the outlet end is not more than one-half of the total length of the vent hole 31. Therefore, it is possible to further contribute to the realization of the windless effect.
  • At least a portion of the plurality of vent holes 31 are sequentially decreased in decreasing diameter from the top to the bottom, sequentially increasing or remaining unchanged. That is, in the direction from the top to the bottom, the apertures of at least a portion of the plurality of air diffusing holes 31 on the inner air deflector 3 may be sequentially decreased; in the direction from the top to the bottom, the inner air deflector 3 The apertures of at least a portion of the plurality of air diffusing holes 31 may also be sequentially increased; in the direction from the top to the bottom, the apertures of at least a portion of the plurality of air diffusing holes 31 on the inner air deflector 3 may have a uniform aperture, that is, an aperture constant. Thereby, the apertures at different positions of the inner air deflector 3 can be set according to different air blowing requirements, and the applicability can be improved.
  • At least a portion of the plurality of blast holes 31 may be arranged along a predetermined straight line, and at least a portion of the plurality of blast holes 31 may also be sequentially arranged along a predetermined curve. Thereby, the position of the vent hole 31 can be rationally arranged according to the demand, and the appearance can be beautified.
  • the inner wind deflector 3 is provided with a plurality of rows of vent holes arranged at intervals in the longitudinal direction (for example, the left-right direction shown in FIG. 13), and each of the rows of vent holes includes a plurality of scatters arranged at intervals in the up and down direction.
  • the plurality of air diffusing holes 31 in the adjacent two rows of air diffusing holes are staggered in the up and down direction.
  • a plurality of air diffusing holes 31 in the adjacent two rows of vent holes may also be arranged in a right-left alignment.
  • the aperture of the vent hole 31 is in the range of 2 mm to 4 mm, whereby the wind speed and the amount of wind can be effectively reduced while ensuring the rate of cooling and heating.
  • the angle between the center line of the air diffusing hole 31 and the horizontal plane is in the range of -10 to 10 degrees.
  • the angle between the center line of the air diffusing hole 31 and the horizontal plane is in the range of -5 to 5 degrees.
  • the center line of the air diffusing hole 31 is substantially parallel to the horizontal plane.
  • the inner air deflector 3 is made of at least one of ordinary ABS (acrylonitrile-styrene-butadiene copolymer), modified ABS, PC (polycarbonate), and modified PC. .
  • the outer air deflector 2 is made of at least one of ordinary ABS (acrylonitrile-styrene-butadiene copolymer), modified ABS, PC (polycarbonate), and modified PC. .
  • the air conditioning indoor unit 100 of the embodiment of the present invention has a windless mode, a cooling wind mode, and a heating wind mode.
  • a windless mode When the air conditioner indoor unit 100 is operating:
  • the outer air deflector 2 opens the air outlet 11 and the inner air deflector 3 rotates to be substantially perpendicular to the air blowing direction. At this time, the wind in the air body 1 is blown out from the plurality of air diffusing holes 31, thereby reducing The wind speed can achieve a windless effect. And the outer air deflector 2 can be rotated into the air outlet range of the air outlet 11 to change the wind direction;
  • the outer air deflector 2 opens the air outlet 11 and the inner air deflector 3 rotates to a position substantially parallel to the air blowing direction.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, electrical connection, or communication; can be directly connected, or indirectly connected through an intermediate medium, can be the internal connection of two components or the interaction of two components .
  • installation can be understood on a case-by-case basis.

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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)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

一种空调室内机(100)，包括：机体(1)、外导风板(2)和内导风板(3)。机体(1)上具有出风口(11)，外导风板(2)设在出风口(11)处用于打开和关闭出风口(11)，内导风板(3)设在出风口(11)处并位于外导风板(2)的内侧，内导风板(3)上形成有多个沿厚度方向贯穿的散风孔(31)。

Description

空调室内机 技术领域
本发明涉及家用电器技术领域，尤其是涉及一种空调室内机。
背景技术
随着生活水平的提高，消费者越来越重视消费品的用户体验，同样在空调领域不光只是实现制冷制热的功能，还要让人体感到更加舒适。在炎热的夏天，用户常常开启空调制冷，如果有冷气的风吹到人的身上后，会感觉不舒服，对一些老人、孕妇、儿童等体质偏弱群体，更容易患上空调病。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明在于提出一种空调室内机，所述空调室内机可以实现无风感的效果。
根据本发明的空调室内机，包括：机体，所述机体上具有出风口；外导风板，所述外导风板设在所述出风口处用于打开和关闭所述出风口；内导风板，所述内导风板设在所述出风口处并位于所述外导风板的内侧，所述内导风板上形成有多个沿厚度方向贯穿的散风孔，所述内导风板上的多个所述散风孔的面积之和不小于所述内导风板总面积的50％。
根据本发明的空调室内机，通过在内导风板上设置多个散风孔，并使多个散风孔的面积之和不小于内导风板总面积的50％，当气流通过散风孔吹出时，可以有效降低风速和风量，同时保证对室内环境的制冷和制热效率。
在一些实施例中，所述内导风板的总面积不小于所述出风口面积的45％。
在一些实施例中，所述内导风板沿其厚度方向的投影面积不小于所述出风口总面积的70％。
在一些实施例中，所述散风孔包括沿出风方向依次连接的第一孔段和第二孔段，所述第一孔段的出口尺寸大于所述第二孔段的进口尺寸以形成分型面。
在一些实施例中，所述第一孔段沿出风方向逐渐收缩，且所述第二孔段沿出风方向上逐渐扩大。
在一些实施例中，所述分型面为平面。
在一些实施例中，所述散风孔的进口面积不大于出口面积。
在一些实施例中，所述散风孔的分型面与出口端的间距不大于所述散风孔的总长度的二分之一。
在一些实施例中，多个所述散风孔的至少一部分在从上往下的方向上孔径依次递减、依次递增或保持不变。
在一些实施例中，多个所述散风孔中的至少一部分沿预定直线或曲线依次布置。
在一些实施例中，所述散风孔的孔径在2mm到4mm的范围内。
在一些实施例中，所述内导风板垂直于所述出风方向时所述散风孔的中心线与水平平面的夹角在-10°到10°的范围内。
在一些实施例中，所述内导风板在无风感状态和打开状态之间可转动，所述内导风板在所述打开状态时伸入所述出风口内并沿所述出风方向设置，所述内导风板在所述无风感状态时与所述机体的外缘轮廓齐平。
在一些实施例中，所述内导风板由普通ABS、改性ABS、PC以及改性PC中的至少一种材料制成。
在一些实施例中，所述散风孔的横截面为圆形、椭圆形、三角形或多边形。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
图1是根据本发明实施例的空调室内机的示意图，其中外导风板打开出风口且内导风板为无风感状态；
图2是图1中所示的空调室内机的另一个角度的示意图；
图3是沿图中A-A线的剖视图；
图4是图3中圈示的B处的放大图；
图5是图4中圈示的C处的放大图；
图6是图3中圈示的B处的放大图，其中箭头指向为出风方向；
图7是根据本发明实施例的空调室内机的示意图，其中外导风板关闭出风口；
图8是图7中所示的空调室内机的剖视图；
图9是图8中圈示的D处的放大图；
图10是根据本发明实施例的空调室内机的示意图，其中外导风板打开出风口且内导风板为打开状态；
图11是图10中所示的空调室内机的剖视图；
图12是图11中圈示的E处的放大图；
图13是图2中所示的空调室内机的示意图；
图14是图13中圈示的F处的放大图。
附图标记：
空调室内机100，
机体1，出风口11，
外导风板2，
内导风板3，散风孔31，第一孔段311，第二孔段312，分型面313。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
下面参考图1-图14描述根据本发明实施例的空调室内机100。其中空调室内机100与室外机一起组装成空调器以用于调节室内环境温度。空调器可以为分体挂壁式空调器，且空调器可以为单冷机或者冷暖机，在本发明的描述中均以空调器为冷暖机为示例进行说明，空调室内机100包括无风感模式、制冷风感模式和制热风感模式。
如图1-图3所示，根据本发明实施例的空调室内机100，包括：机体1、外导风板2和内导风板3。其中，机体1内安装有空调室内机100的全部器件，机体1一方面可以起到支撑和保护内部器件的作用，另一方面还可以起到一定的装饰效果。
机体1包括底盘、面框和面板，面框设在底盘上，面框的前侧敞开，面板设在面框的前侧，面板的下端和面框之间限定出出风口11。具体地，面框可以是可转动或者可拆卸地设在底盘上，面板可以是可转动或者可拆卸地设在面框上。可以理解的是，机体1内具有用于流通空气的出风框，空调室内机100还包括设在机体1内的换热器、风机、电控盒等元件。
具体地，机体1上具有出风口11；外导风板2设在出风口11处，外导风板2用于打开和关闭出风口11；例如，外导风板2与出风口11的边沿可枢转连接，通过转动外导风板2以实现打开和关闭出风口11。当外导风板2打开出风口11时，空调室内机100的内部空间与室内空间连通，气流可以通过出风口11吹向室内，且此时外导风板2可以对吹出的气流起到导向的作用；当外导风板2关闭出风口11时，外导风板2与机体1的外缘轮廓平齐，以实现关闭出风口11，此时，空调室内机100的内部空间与室内空间不连通。
当然，可以理解的是，在空调室内机100的工作过程中，外导风板2也可以围绕外导风板2的转轴转动以实现摆风。
内导风板3设在出风口11处，且内导风板3位于外导风板2的内侧，优选地，内导风板3可转动地设在出风口11处，当内导风板3转动至一定角度时，内导风板3可以用于对 吹出的气流导向，以调节出风角度。当然，可以理解的是，在空调室内机100的工作过程中，内导风板3也可以围绕其转轴转动以实现摆风。
进一步地，内导风板3上形成有多个沿内导风板3的厚度方向贯穿内导风板3的散风孔31。其中，可选地，散风孔31的横截面为圆形、椭圆形、三角形或多边形。
有利地，内导风板3在无风感状态(例如图4中所示的内导风板所在的状态)和打开状态(例如图11中所示的内导风板3所在的状态)之间可转动。如图11所示，当内导风板3在打开状态时，内导风板3伸入出风口11内并沿出风方向设置(即内导风板3大体平行于出风方向)，此时，若转动外导风板2以打开出风口11，则气流可以直接通过出风口11吹出，此时空调室内机100为风感模式，即直接吹出热风或冷风，以实现调节室内温度。此时，外导风板2和内导风板3均对气流的流向起到导向的作用，以提高制冷或制热效果。
如图4和图6所示，当内导风板3为无风感状态时，内导风板3与机体1的外缘轮廓平齐(内导风板3大体垂直于出风方向)，此时，若转动外导风板2以打开出风口11，则气流可以通过内导风板3上的散风孔31吹出，此时，空调室内机100为无风感模式。在此过程中，内导风板3对吹出的气流可以起到一定的阻挡效果，仅允许气流通过散风孔31吹出，由此，可以降低风速和风量，趋于无风，从而实现无风感的效果。有效避免由于气流直接吹到人而患上空调病，用户使用体验更佳。
更进一步地，内导风板3上的多个散风孔31的面积之和不小于内导风板3总面积的50％。由此，可以在降低出风风速和风量的前提下，保证对室内环境的制冷和制热效率。
根据本发明实施例的空调室内机100，通过在内导风板3上设置多个散风孔31，并使多个散风孔31的面积之和不小于内导风板3总面积的50％，当气流通过散风孔31吹出时，可以有效降低风速和风量，同时保证对室内环境的制冷和制热效率。
这里，当内导风板的总面积过小时，其降低出风口11的风速和风量的效果不佳，因此，优选地，在本发明的一个实施例中，内导风板3的总面积不小于出风口11面积的45％。由此，可以保证内导风板在垂直于出风方向时有效降低出风风速和出风风量，实现趋于无风感的效果。例如，内导风板3的总面积可以大于出风口11面积的55％、65％或75％等等。
这里，需要说明的是，内导风板3的总面积包括内导风板3上的散风孔31的面积。
在本发明的一些实施例中，内导风板3沿其厚度方向的投影面积不小于出风口11总面积的70％。由此，内导风板3可以有效阻挡出风口11的出风风量和出风风速，实现无风感的效果，提高用户体验。例如，内导风板3沿其厚度方向的投影面积可以为出风口11总面积的80％、85％或90％等等。
在本发明的一些实施例中，如图4-图6所示，散风孔31可以包括第一孔段311和第二孔段312，第一孔段311和第二孔段312沿出风方向(例如图6中所示的箭头指向)依次 连接，第一孔段311的出口尺寸大于第二孔段312的进口尺寸，从而在第一孔段311和第二孔段312的连接位置形成分型面313。分型面313可以进一步降低散风孔31内的气流的风速和风量，进一步实现无风感效果。另外，设置分型面313还便于散风孔31成型，简化结构。
进一步地，如图5所示，第一孔段311沿出风方向逐渐收缩，且第二孔段312沿出风方向上逐渐扩大。换言之，在沿出风方向上，第一孔段311的孔径逐渐减小，第二孔段312的孔径逐渐增大，由此，在第一孔段311时可以逐渐减小气流的风量，在第二孔段312时可以逐渐降低气流的流速，有利于实现无风感效果。
可选地，参照图5，分型面313可以为平面。由此，可以简化结构，便于加工制造，且同时起到降低风量和风速的效果。
在一些实施例中，散风孔31的进口面积不大于出口面积，也就是说，散风孔31的进口面积可以等于出口面积，散风孔31的进口面积可以小于出口面积。由此，可以使散风孔31的出口风速不大于进口风速，使散风孔31的出口风速小于进口风速，从而可以降低风量和风速，实现出风无风感。
当然本发明不限于此，散风孔31的进口面积也可以大于出口面积。以降低出口的出风量。
在一些实施例中，散风孔31的分型面313与出口端的间距不大于散风孔31的总长度的二分之一。由此，可以进一步有利于实现无风感效果。
在一些实施例中，如图13和图14所示，多个散风孔31的至少一部分在从上往下的方向上孔径依次递减、依次递增或保持不变。也就是说，在从上往下的方向上，内导风板3上的多个散风孔31的至少一部分的孔径可以依次递减；在从上往下的方向上，内导风板3上的多个散风孔31的至少一部分的孔径也可以依次递增；在从上往下的方向上，内导风板3上的多个散风孔31的至少一部分的孔径还可以孔径一致即孔径保持不变。由此，可以根据不同的出风要求设置内导风板3不同位置的孔径，提高适用性。
在一些实施例中，多个散风孔31中的至少一部分可以沿预定直线布置，多个散风孔31中的至少一部分也可以沿预定曲线依次布置。由此，可以根据需求合理布置散风孔31的位置，同时美化外观。
例如，内导风板3上设有沿长度方向(例如图13中所示的左右方向)间隔布置有多列散风孔组，每列散风孔组包括沿上下方向间隔布置的多个散风孔31。其中，相邻两列散风孔组中的多个散风孔31沿上下方向交错布置。另外，相邻的两列散风孔组中的多个散风孔31也可以左右对齐布置。
其中，改变散风孔31孔径的大小可以改变出风风速和出风风量，有利于实现无风感的 效果。因此，在一些实施例中，散风孔31的孔径在2mm到4mm的范围内，由此，可以有效降低风速和风量，同时保证制冷制热的速率。
在一些实施例，如图6所示，内导风板3垂直于出风方向时，散风孔31的中心线与水平平面的夹角在-10°到10°的范围内。优选地，内导风板3垂直于出风方向时，散风孔31的中心线与水平平面的夹角在-5°到5°的范围内。优选地，内导风板3垂直于出风方向时，散风孔31的中心线大体平行于水平平面。由此，可以使气流沿大体水平的方向吹出，避免气流直接吹向人体，提高用户体验。
在一些实施例中，内导风板3由普通ABS(丙烯腈-苯乙烯-丁二烯共聚物)、改性ABS、PC(聚碳酸酯)以及改性PC中的至少一种材料制成。
在一些实施例中，外导风板2由普通ABS(丙烯腈-苯乙烯-丁二烯共聚物)、改性ABS、PC(聚碳酸酯)以及改性PC中的至少一种材料制成。
下面描述本发明实施例的空调室内机100的工作过程。
本发明实施例的空调室内机100具有无风感模式、制冷风感模式和制热风感模式，当空调室内机100工作时：
开启空调室内机100，选择出风模式；
当选择无风感模式时，外导风板2打开出风口11，内导风板3旋转至与出风方向大体垂直，此时，机体1内的风从多个散风孔31吹出，降低了风速，可以实现无风感的效果。且外导风板2可以转动到出风口11的出风范围内以改变风向；
当选择制冷风感模式或制热风感模式时，外导风板2打开出风口11，内导风板3旋转至与出风方向大致平行的位置。
在本发明的描述中，需要理解的是，术语“中心”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“轴向”、“径向”、“周向”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。
此外，术语“第一”、“第二”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”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接，还可以是通信；可以是直接相连，也可以通过中间媒介间接 相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (16)

  1. 一种空调室内机，其特征在于，包括：
    机体，所述机体上具有出风口；
    外导风板，所述外导风板设在所述出风口处用于打开和关闭所述出风口；
    内导风板，所述内导风板设在所述出风口处并位于所述外导风板的内侧，所述内导风板上形成有多个沿厚度方向贯穿的散风孔，所述内导风板上的多个所述散风孔的面积之和不小于所述内导风板总面积的50％。
  2. 根据权利要求1所述的空调室内机，其特征在于，所述内导风板的总面积不小于所述出风口面积的45％。
  3. 根据权利要求1或2所述的空调室内机，其特征在于，所述内导风板沿其厚度方向的投影面积不小于所述出风口总面积的70％。
  4. 根据权利要求1-3中任一项所述的空调室内机，其特征在于，所述散风孔包括沿出风方向依次连接的第一孔段和第二孔段。
  5. 根据权利要求4所述的空调室内机，其特征在于，所述第一孔段的出口尺寸大于所述第二孔段的进口尺寸以形成分型面。
  6. 根据权利要求4所述的空调室内机，其特征在于，所述第一孔段沿出风方向逐渐收缩，且所述第二孔段沿出风方向上逐渐扩大。
  7. 根据权利要求5所述的空调室内机，其特征在于，所述分型面为平面。
  8. 根据权利要求1-7中任一项所述的空调室内机，其特征在于，所述散风孔的进口面积不大于出口面积。
  9. 根据权利要求1-8中任一项所述的空调室内机，其特征在于，所述散风孔的分型面与出口端的间距不大于所述散风孔的总长度的二分之一。
  10. 根据权利要求1-9中任一项所述的空调室内机，其特征在于，多个所述散风孔的至少一部分在从上往下的方向上孔径依次递减、依次递增或保持不变。
  11. 根据权利要求1-10中任一项所述的空调室内机，其特征在于，多个所述散风孔中的至少一部分沿预定直线或曲线依次布置。
  12. 根据权利要求1-11中任一项所述的空调室内机，其特征在于，所述散风孔的孔径在2mm到4mm的范围内。
  13. 根据权利要求1-12中任一项所述的空调室内机，其特征在于，所述内导风板垂直于所述出风方向时所述散风孔的中心线与水平平面的夹角在-10°到10°的范围内。
  14. 根据权利要求1-13中任一项所述的空调室内机，其特征在于，所述内导风板在无风感状态和打开状态之间可转动，所述内导风板在所述打开状态时伸入所述出风口内并沿 所述出风方向设置，所述内导风板在所述无风感状态时与所述机体的外缘轮廓齐平。
  15. 根据权利要求1-14中任一项所述的空调室内机，其特征在于，所述内导风板由普通ABS、改性ABS、PC以及改性PC中的至少一种材料制成。
  16. 根据权利要求1-15中任一项所述的空调室内机，其特征在于，所述散风孔的横截面为圆形、椭圆形、三角形或多边形。
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