WO2019024549A1 - 空调室内机 - Google Patents

空调室内机 Download PDF

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Publication number
WO2019024549A1
WO2019024549A1 PCT/CN2018/084926 CN2018084926W WO2019024549A1 WO 2019024549 A1 WO2019024549 A1 WO 2019024549A1 CN 2018084926 W CN2018084926 W CN 2018084926W WO 2019024549 A1 WO2019024549 A1 WO 2019024549A1
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WO
WIPO (PCT)
Prior art keywords
air
indoor unit
unit according
hole
deflector
Prior art date
Application number
PCT/CN2018/084926
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 CN201710642952.7A external-priority patent/CN107327931B/zh
Priority claimed from CN201720948669.2U external-priority patent/CN207146543U/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 JP2019543218A priority Critical patent/JP6799167B2/ja
Priority to AU2018311607A priority patent/AU2018311607B2/en
Priority to BR112020006313-4A priority patent/BR112020006313B1/pt
Priority to KR1020207002784A priority patent/KR102334816B1/ko
Priority to EP18841222.5A priority patent/EP3604963B1/en
Publication of WO2019024549A1 publication Critical patent/WO2019024549A1/zh
Priority to US16/776,784 priority patent/US11913650B2/en

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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

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 at the air outlet for opening and closing the air outlet, a plurality of air diffusing holes penetrating in a thickness direction are formed on the outer air guiding plate; an inner air guiding plate is disposed at the air outlet and located inside the outer air guiding plate, wherein the inner air guiding plate is The wind deflector is used to open and cover at least a portion of the outer air deflector.
  • the air conditioner indoor unit of the present invention by providing a plurality of air diffusing holes on the outer air deflector, when the airflow is blown through the air diffusing holes, the wind speed and the air volume can be effectively reduced, and the airflow can be directly blown to the human body, thereby achieving a windless effect. To enhance the user experience.
  • a sum of areas of the plurality of vent holes on the outer air deflector is not less than 50% of a total area of the outer air deflector.
  • 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 unchanged 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.
  • the angle between the central axis of the blast hole and the horizontal plane when the outer wind deflector is perpendicular to the wind direction is in the range of -10° to 10°.
  • the outer air deflector is rotatable between a windless state and an open state, the outer air deflector opening the air outlet when in the open state, the outer air deflector is The air outlet is closed when the windless state is present.
  • 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 cross-sectional 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 and an inner air deflector covers a portion of the outer air deflector;
  • Figure 2 is an enlarged view of the circled I in Figure 1;
  • Figure 3 is a schematic view of a diffuser hole according to another embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional 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 and an inner air deflector opens an outer air deflector;
  • Figure 5 is an enlarged view of the circled at II in Figure 4.
  • FIG. 6 is a schematic cross-sectional 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 an inner air deflector opens an outer air deflector;
  • Figure 7 is an enlarged view of the circled portion III in Figure 6;
  • FIG. 8 is a schematic diagram of an indoor unit of an air conditioner according to an embodiment of the present invention.
  • Figure 9 is an enlarged view of the circled at the end of Figure 8.
  • Fig. 10 is a schematic view showing another angle of the air conditioner indoor unit shown in Fig. 8.
  • Air conditioning indoor unit 100 Air conditioning indoor unit 100,
  • the outer air deflector 2 the air diffusing hole 21, the first hole segment 211, the second hole segment 212, the parting surface 213,
  • 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 conditioning 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 has an air outlet frame for circulating air, and the air-conditioning indoor unit further includes components such as a heat exchanger, a fan, an electric control box, and the like disposed 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 airflow can be blown into the room through the air outlet 11, and the outer air deflector 2 can guide the airflow that is blown, and when the outer air deflector 2 closes the air outlet 11 When the outer air deflector 2 is flush with the outer edge contour of the body 1.
  • the outer air deflector 2 can also rotate around the rotating shaft of the outer air deflector 2 to realize the swing wind.
  • the outer air deflector 2 is formed with a plurality of air diffusing holes 21 penetrating in the thickness direction.
  • the cross section of the vent hole 21 is circular, elliptical, triangular or polygonal.
  • the outer air deflector 2 is in a state of no wind (for example, a state in which the outer air deflector 2 is shown in FIG. 5) and an open state (for example, a state in which the outer air deflector 2 is shown in FIG. 7) It can be rotated between.
  • the outer air deflector 2 opens the air outlet 11 when the outer air deflector 2 is in an open state, and the outer air deflector 2 closes the air outlet 11 when there is no wind feeling state.
  • the air conditioner indoor unit is in a windless mode, and the outer air deflector 2 can block the airflow that is blown, and only allows the airflow to be blown out through the air diffusing hole 21, thereby reducing the wind speed and the air volume, and tending to be windless. Achieve the effect of no wind. Effectively avoid air-conditioning diseases caused by direct airflow to people, and the user experience is better. At this time, the air conditioner indoor unit is in the windless mode.
  • 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 for opening and covering at least a portion of the outer air deflector 2. That is, when the outer air deflector 2 closes the air outlet 11, the inner air deflector 3 can open or cover at least a portion of the outer air deflector 2.
  • the inner air deflector 3 is rotatably disposed at the position of the air outlet 11, and the inner air deflector 3 can be rotated to open and cover the outer air deflector 2.
  • the inner air deflector 3 when the inner air deflector 3 is rotated perpendicular to the air outlet direction, as shown in FIG. 2, the inner air deflector 3 may cover at least a portion of the outer air deflector 2 when the inner air deflector 3 is rotated to be parallel to In the direction of the air outlet, as shown in FIG. 5, the inner air deflector 3 opens the outer air deflector 2, that is, the inner air deflector 3 does not block the airflow from flowing to the outer wind deflector 2 at this time.
  • the inner air deflector 3 can also be rotated about its pivot axis to realize the swing wind, that is, to adjust the flow direction of the air blown to the outer wind deflector 2.
  • the air conditioner indoor unit of the embodiment of the present invention by providing a plurality of air diffusing holes 21 on the outer air deflector 2, when the airflow is blown through the air diffusing holes 21, the wind speed and the air volume can be effectively reduced, and the airflow can be directly blown to the human body. A windless effect that enhances the user experience.
  • the sum of the areas of the plurality of vent holes 21 on the outer air deflector 2 is not less than 50% of the total area of the outer air deflector 2.
  • the total area of the outer air deflector 2 includes the area of the air diffusing holes 21 on the outer air deflector 2.
  • the blast hole 21 may include a first hole section 211 and a second hole section 212, and the first hole section 211 and the second hole section 212 are along the wind direction (for example)
  • the arrows shown in FIG. 5 are sequentially connected, and the outlet size of the first hole section 211 is larger than the inlet size of the second hole section 212, thereby forming a parting surface at the joint position of the first hole section 211 and the second hole section 212. 213.
  • the parting surface 213 can further reduce the wind speed and the air volume of the airflow in the air diffusing hole 21, and further realize the windless effect.
  • the provision of the parting surface 213 also facilitates the formation of the vent hole 21, simplifying the structure.
  • the first hole segment 211 is gradually contracted in the wind direction, and the second hole segment 212 is gradually enlarged in the wind direction.
  • the aperture of the first hole segment 211 gradually decreases, and the aperture of the second hole segment 212 gradually increases, whereby the air volume of the airflow can be gradually reduced at the first hole segment 211,
  • the flow velocity of the airflow can be gradually reduced, which is beneficial to achieve a windless effect.
  • the parting surface 213 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 21 is not greater than the outlet area, that is, the inlet area of the blast hole 21 may be equal to the outlet area, and the inlet area of the blast hole 21 may be smaller than the outlet area. area.
  • the outlet wind speed of the blast hole 21 can be made not greater than the inlet wind speed, so that the outlet wind speed of the blast hole 21 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 21 may also be larger than the outlet area. To reduce the amount of air from the exit.
  • the distance between the parting surface 213 of the blast hole 21 and the outlet end is not more than one-half of the total length of the vent hole 21. Therefore, it is possible to further contribute to the realization of the windless effect.
  • At least a portion of the plurality of vent holes 21 are sequentially decreased in decreasing diameter from the top to the bottom, sequentially increasing or remaining unchanged. That is to say, in the direction from the top to the bottom, the apertures of at least a part of the plurality of air diffusing holes 21 on the outer air deflector 2 may be sequentially decreased, or may be sequentially increased, or the apertures may be uniform, that is, the apertures may remain unchanged. Thereby, the apertures at different positions of the outer air deflector 2 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 21 may be arranged along a predetermined straight line, and at least a portion of the plurality of blast holes 21 may also be sequentially arranged along a predetermined curve. Thereby, the position of the vent hole 21 can be rationally arranged according to the demand, and the appearance can be beautified.
  • the outer air deflector 2 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. 8), and each of the rows of vent holes includes a plurality of scatters arranged at intervals in the up and down direction.
  • Wind hole 21 The plurality of air diffusing holes 21 in the adjacent two rows of air diffusing holes are staggered in the up and down direction.
  • the plurality of air diffusing holes 21 in the adjacent two rows of vent holes may also be arranged in a right-left alignment.
  • the aperture of the vent hole 21 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 21 and the horizontal plane is in the range of -10 to 10 degrees.
  • the angle between the center line of the diffuser hole 21 and the horizontal plane is in the range of -5° to 5°.
  • the center line of the diffuser hole 21 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 When the windless mode is selected, the outer air deflector 2 is turned to close the air outlet 11, and the inner air deflector 3 is rotated to a position parallel to the air outlet direction; at this time, the wind in the body 1 is blown out from the plurality of air diffusing holes 21. , reducing the wind speed, can achieve the effect of no wind;
  • the outer air deflector 2 opens the air outlet 11 and the inner air deflector 3 rotates to be 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)处在出风口(11)处用于打开和关闭出风口(11)，外导风板(2)上形成有多个沿厚度方向贯穿的散风孔(21)；内导风板(3)设在出风口(11)处并位于外导风板(2)的内侧。

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，所述外导风板处在所述出风口处用于打开和关闭所述出风口，所述外导风板上形成有多个沿厚度方向贯穿的散风孔；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，所述内导风板用于打开和遮盖所述外导风板的至少一部分。
根据本发明的空调室内机，通过在外导风板上设置多个散风孔，当气流通过散风孔吹出时，可以有效降低风速和风量，避免气流直接吹到人体，实现无风感的效果，提升用户体验。
在一些实施例中，所述外导风板上的多个所述散风孔的面积之和不小于所述外导风板总面积的50％。
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，所述外导风板垂直于所述出风方向时所述散风孔的中心轴线与水平平面的夹角在-10°到10°的范围内。
在一些实施例中，所述外导风板在无风感状态和打开状态之间可转动，所述外导风板在所述打开状态时打开所述出风口，所述外导风板在所述无风感状态时关闭所述出风口。
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剖视图的示意图，其中，外导风板关闭出风口且内导风板遮盖外导风板的一部分；
图2是图1中圈示的Ⅰ处的放大图；
图3是本发明另一些实施例的散风孔的示意图；
图4是根据本发明实施例的空调室内机的剖视图的示意图，其中，外导风板关闭出风口且内导风板打开外导风板；
图5是图4中圈示的Ⅱ处的放大图；
图6是根据本发明实施例的空调室内机的剖视图的示意图，其中，外导风板打开出风口且内导风板打开外导风板；
图7是图6中圈示的Ⅲ处的放大图；
图8是根据本发明实施例的空调室内机的示意图；
图9是图8中圈示的Ⅳ处的放大图；
图10是图8中所示的空调室内机的另一个角度的示意图。
附图标记：
空调室内机100，
机体1，出风口11，
外导风板2，散风孔21，第一孔段211，第二孔段212，分型面213，
内导风板3。
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10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，气流可以通过出风口11吹向室内，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。
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。
优选地，外导风板2上形成有多个沿厚度方向贯穿的散风孔21。其中，可选地，散风孔21的横截面为圆形、椭圆形、三角形或多边形。
进一步地，外导风板2在无风感状态(例如图5中所示的外导风板2所在的状态)和打开状态(例如图7中所示的外导风板2所在的状态)之间可转动。其中，外导风板2在打开状态时打开出风口11，外导风板2在无风感状态时关闭出风口11。
如图4和图5所示，当外导风板2在无风感状态关闭出风口11时，机体1内的气流可以通过外导风板2上的散风孔21吹出，此时，空调室内机为无风感模式，外导风板2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21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。此时，空调室内机为无风感模式。
如图6和图7所示，当外导风板2在打开状态打开出风口11时，气流直接从出风口11吹出，此时空调室内机为风感模式。
内导风板3设在出风口11处，内导风板3位于外导风板2的内侧，内导风板3用于打开和遮盖外导风板2的至少一部分。也就是说，当外导风板2关闭出风口11时，内导风板3可以打开或遮盖外导风板2的至少一部分。例如，内导风板3可转动地设在出风口11位置，内导风板3可以通过转动以打开和遮盖外导风板2。
具体地，当内导风板3转动垂直于出风方向时，如图2所示，内导风板3可以可以遮盖外导风板2的至少一部分，当内导风板3转动至平行于出风方向时，如图5所示，内导风板3打开外导风板2，也就是说，内导风板3此时不会阻挡气流流向外导风板2。
当然，可以理解的是，内导风板3也可以围绕其枢转轴转动以实现摆风，即实现调节吹向外导风板2的气流流向。
根据本发明实施例的空调室内机，通过在外导风板2上设置多个散风孔21，当气流通过散风孔21吹出时，可以有效降低风速和风量，避免气流直接吹到人体，实现无风感的效果，提升用户体验。
在本发明的一个实施例中，外导风板2上的多个散风孔21的面积之和不小于外导风板2总面积的50％。由此，可以在降低出风的风速和风量的前提下，保证对室内环境的制冷和制热效率。
这里，需要说明的是，外导风板2的总面积包括外导风板2上的散风孔21的面积。
在本发明的一些实施例中，如图3所示，散风孔21可以包括第一孔段211和第二孔段212，第一孔段211和第二孔段212沿出风方向(例如图5中所示的箭头指向)依次连接，第一孔段211的出口尺寸大于第二孔段212的进口尺寸，从而在第一孔段211和第二孔段212的连接位置形成分型面213。分型面213可以进一步降低散风孔21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213还便于散风孔21成型，简化结构。
进一步地，如图3所示，第一孔段211沿出风方向逐渐收缩，且第二孔段212沿出风方向上逐渐扩大。换言之，在沿出风方向上，第一孔段211的孔径逐渐减小，第二孔段212的孔径逐渐增大，由此，在第一孔段211时气流的风量可以逐渐减小，在第二孔段212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3，分型面213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，如图2所示，散风孔21的进口面积不大于出口面积，也就是说，散风孔21的进口面积可以等于出口面积，散风孔21的进口面积可以小于出口面积。由此， 可以使散风孔21的出口风速不大于进口风速，使散风孔21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21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，如图3所示，散风孔21的分型面213与出口端的间距不大于散风孔21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8和图9所示，多个散风孔21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，外导风板2上的多个散风孔21的至少一部分的孔径可以依次递减，也可以依次递增，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外导风板2不同位置的孔径，提高适用性。
在一些实施例中，如图8和图9所示，多个散风孔21中的至少一部分可以沿预定直线布置，多个散风孔21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21的位置，同时美化外观。
例如，外导风板2上设有沿长度方向(例如图8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21。其中，相邻两列散风孔组中的多个散风孔21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21也可以左右对齐布置。
其中，改变散风孔21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21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。
如图2所示，在一些实施例，外导风板2垂直于出风方向时，散风孔21的中心线与水平平面的夹角在-10°到10°的范围内。优选地，外导风板2垂直于出风方向时，散风孔21的中心线与水平平面的夹角在-5°到5°的范围内。优选地，外导风板2垂直于出风方向时，散风孔21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，选择出风模式；
当选择无风感模式时，外导风板2转至关闭出风口11，内导风板3旋转至与出风方向平行位置；此时，机体1内的风从多个散风孔21吹出，降低了风速，可以实现无风感的效果；
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旋转至大体平行于出风方向。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“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 (15)

  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，所述外导风板处在所述出风口处用于打开和关闭所述出风口，所述外导风板上形成有多个沿厚度方向贯穿的散风孔；
    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，所述内导风板用于打开和遮盖所述外导风板的至少一部分。
  2. 根据权利要求1所述的空调室内机，其特征在于，所述外导风板上的多个所述散风孔的面积之和不小于所述外导风板总面积的50％。
  3. 根据权利要求1或2所述的空调室内机，其特征在于，所述散风孔包括沿出风方向依次连接的第一孔段和第二孔段。
  4. 根据权利要求3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。
  5. 根据权利要求3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。
  6. 根据权利要求4所述的空调室内机，其特征在于，所述分型面为平面。
  7. 根据权利要求1-6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。
  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。
  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，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。
  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，多个所述散风孔中的至少一部分沿预定直线或曲线依次布置。
  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，所述散风孔的孔径在2mm到4mm的范围内。
  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，所述外导风板垂直于所述出风方向时所述散风孔的中心轴线与水平平面的夹角在-10°到10°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，所述外导风板在无风感状态和打开状态之间可转动，所述外导风板在所述打开状态时打开所述出风口，所述外导风板在所述无风感状态时关闭所述出风口。
  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，所述内导风板由普 通ABS、改性ABS、PC以及改性PC中的至少一种材料制成。
  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，所述散风孔的横截面为圆形、椭圆形、三角形或多边形。
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