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WO2022089264A1 - 消音组件和空调系统 - Google Patents

消音组件和空调系统 Download PDF

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Publication number
WO2022089264A1
WO2022089264A1 PCT/CN2021/124840 CN2021124840W WO2022089264A1 WO 2022089264 A1 WO2022089264 A1 WO 2022089264A1 CN 2021124840 W CN2021124840 W CN 2021124840W WO 2022089264 A1 WO2022089264 A1 WO 2022089264A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
muffler
tuyere
muffler assembly
arc
Prior art date
Application number
PCT/CN2021/124840
Other languages
English (en)
French (fr)
Inventor
曹高华
樊明敬
郝本华
李国行
王宪强
李学瑞
孟静
Original Assignee
青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔空调器有限总公司, 青岛海尔空调电子有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔空调器有限总公司
Publication of WO2022089264A1 publication Critical patent/WO2022089264A1/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
    • 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
    • F24F13/02—Ducting arrangements
    • 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 present application relates to the technical field of air conditioners, and in particular, to a muffler assembly and an air conditioner system.
  • the fan sucks the indoor or outdoor air into the evaporator for processing, so as to achieve the purpose of cooling or heating the indoor air or the introduced fresh air.
  • noise will be generated, especially at the position where the wind direction of the air duct is changed, which will cause the overall noise of the air conditioner to be relatively large. Therefore, it is generally necessary to provide a noise reduction structure in the air duct of the air conditioner.
  • the existing air duct silencing technology is to construct a silencing structure on the inner wall of the duct to achieve the silencing effect, but this will make the structure and manufacture of the duct more complicated.
  • Embodiments of the present application provide a sound-absorbing assembly and an air-conditioning system to solve the problem that the sound-absorbing structure of the air-conditioning air duct is constructed on the inner wall of the air duct in the existing air-conditioning technology, resulting in complicated structure and manufacturing of the air duct.
  • An embodiment of the present application provides a sound-absorbing assembly, which includes a housing and a plurality of sound-absorbing blocks, wherein the plurality of sound-absorbing blocks are arranged at intervals, the outer edge of the sound-absorbing block is fixedly connected to the inner side surface of the casing, and the sound-absorbing block is Ventilation holes are provided, and the ventilation holes of the plurality of sound-absorbing blocks are communicated and form a sound-absorbing air duct with the casing.
  • the ventilation hole is a variable-section hole, and the cross-section of the ventilation hole gradually decreases along the airflow direction.
  • the housing includes a first side wall, a second side wall and an arc-shaped wall, and the arc-shaped wall is parallel to the two ends of the arrangement planes of the plurality of muffler blocks.
  • the cross-sectional shape of the arc-shaped wall parallel to the arrangement plane is a circular arc.
  • a plurality of the sound-absorbing blocks are arranged in a circular array.
  • the cross-sectional shape of the arc-shaped wall perpendicular to the arrangement direction of the plurality of muffler blocks is arc-shaped.
  • a rotating shaft is fixed on the housing, and the rotating shaft is used for connecting the rotary drive member.
  • arcuate guide rails are respectively provided on the outer sides of the first side wall and the second side wall, and the center of the guide rail is located on the central axis of the rotating shaft.
  • Embodiments of the present application further provide an air conditioning system, including any of the above-mentioned sound-absorbing components.
  • the muffler assembly is installed in an air inlet duct of the air conditioner, the air inlet duct is configured with a first tuyere, a second tuyere and a third tuyere, and the air inlet duct is installed with a rotating a driving member for driving the muffler assembly to rotate so as to switch the communication between the first tuyere and the second tuyere with the third tuyere.
  • a sealing plate is fixed in the air inlet duct, and the outer side surface of the casing can cooperate with the sealing plate to form the first air outlet or the second air outlet and the Blockade of the third air outlet.
  • the muffler assembly and the air conditioning system provided by the embodiments of the present application, by arranging the muffler blocks arranged at intervals in the casing, the muffler block and the casing form a variable-section muffler channel, so that the airflow can be effectively muffled when passing through the muffler channel; the muffler assembly It can be used as a component to be assembled with the air duct of the air conditioner, so that the airflow in the air duct can pass through the muffler assembly for silencing.
  • the structure is simple and convenient to manufacture, and the air duct structure of the air conditioner is simplified.
  • FIG. 1 is a perspective view of a muffler assembly according to an embodiment of the present application
  • Fig. 2 is the front view of the muffler assembly of the embodiment of the present application
  • FIG. 3 is a schematic structural diagram of a muffler block in an embodiment of the present application.
  • FIG. 4 is a schematic diagram of the assembly structure of the muffler assembly and the air duct according to the embodiment of the present application;
  • Fig. 5 is the right side view of the assembly structure of the muffler assembly and the air duct in Fig. 4;
  • FIG. 6 is a schematic diagram of the assembly structure of the muffler assembly and the air duct according to another embodiment of the present application.
  • FIG. 7 is a schematic diagram of an assembly structure of a sound-absorbing assembly and an air duct according to yet another embodiment of the present application.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components.
  • installed should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components.
  • FIG. 1 is a perspective view of the muffler assembly according to the embodiment of the application
  • FIG. 2 is a front view of the muffler assembly according to the embodiment of the application.
  • the muffler assembly includes a housing 1 and a plurality of muffler blocks 2.
  • the muffler blocks 2 are arranged at intervals.
  • the outer edge of the muffler block 2 is fixedly connected to the inner side of the housing 1.
  • the muffler block 2 is provided with ventilation holes 21.
  • the ventilation holes 21 of the block 2 communicate with each other and form a sound-absorbing air duct with the housing 1 .
  • the sound-absorbing air duct has an air inlet 22 and an air outlet 23 .
  • the silencing air duct is formed by the shell 1 and a plurality of silencing blocks 2 arranged at intervals, the silencing channel becomes a variable-section channel, and a sudden-changing cross-section channel is formed between every two adjacent silencing blocks 2, so that the airflow can pass through the silencing channel.
  • the muffler assembly provided by the embodiment of the present application can be assembled with the air duct of the air conditioner as a component, so that the airflow in the air duct passes through the muffler assembly for muffling.
  • the structure is simple and convenient to manufacture, and the air duct structure of the air conditioner is simplified.
  • FIG. 3 a schematic structural diagram of the muffler block in the embodiment of the present application
  • the ventilation hole 21 of the muffler block 2 is a variable-section hole, and the cross-section of the ventilation hole gradually increases along the airflow direction. reduced, so that the muffler duct has a gradual cross section in the ventilation hole 21 .
  • a muffler air duct in which the gradual change section and the abrupt cross section change alternately is formed, thereby further improving the noise reduction and noise reduction effect of the muffler assembly.
  • the housing 1 includes a first side wall 11 , a second side wall 12 and an arc-shaped wall 13 , and the arc-shaped wall 13 is parallel to the two ends of the arrangement plane of the plurality of sound-absorbing blocks 2 connected to the first side
  • the cross-sectional shape of the wall 11 , the second side wall 12 , and the arc-shaped wall 13 parallel to the arrangement plane of the plurality of sound-absorbing blocks 2 is a circular arc.
  • the arrangement plane of the plurality of muffler blocks 2 is parallel to the longitudinal axis of the air duct.
  • the outer edges of the muffler block 2 are fixedly connected to the inner sides of the first side wall 11 , the second side wall 12 and the arc wall 13 respectively. After the airflow enters the muffler passage, the direction deflection can occur under the blocking of the arc-shaped arc wall 13 . Therefore, the muffler assembly provided by the embodiment of the present application can be installed in the wind direction switching position of the air duct of the air conditioner, and realize the conversion of the wind direction and the noise reduction at the same time. In addition, the arc-shaped wall 13 can play a certain noise reduction effect compared with the traditional flat baffle. Further, as shown in FIG. 1 and FIG. 2 , the plurality of sound-absorbing blocks 2 are distributed in a circular array.
  • the cross-sectional shape of the arc-shaped wall 13 perpendicular to the arrangement direction of the plurality of silencing blocks 2 is arc-shaped.
  • the arc-shaped wall 13 is a spherical plate; for another example, the cross-sectional shape of the arc-shaped wall 13 perpendicular to the arrangement direction of the plurality of sound-absorbing blocks 2 is Oval.
  • the housing 1 is fixed with a rotating shaft 15, and the rotating shaft 15 is used for connecting the rotary drive member.
  • the rotating shafts 15 are fixed to the housing 1 on both sides of the arrangement plane of the plurality of muffler blocks 2.
  • the two rotating shafts 15 are fixed to the first side wall 11 and the second side wall 12 respectively.
  • the rotating shaft 15 is used for rotating connection with the side wall of the air duct, and the driving end of the rotating driving member is fixedly connected with one of the rotating shafts 15.
  • the rotating driving member 34 drives the rotating shaft 15 to rotate, thereby driving the housing 1 to rotate.
  • the rotating shaft 15 can be perpendicular to the arrangement plane of the plurality of sound-absorbing blocks 2, so that the housing 1 can be rotated on the arrangement plane.
  • the muffler assembly provided by the embodiment of the present application can be installed in the wind direction switching position of the air duct and arranged with the air inlet and outlet of the air duct.
  • first side wall 11 and the second side wall 12 are plane plates parallel to each other and perpendicular to the rotating shaft, so that the muffler assembly is installed on the rectangular air duct through the rotating shaft 15, and when it rotates on the longitudinal axis of the rectangular air duct,
  • the first side wall 11 and the second side wall 12 can fit with the inner wall of the air-conditioning air duct, which is beneficial to the housing 1 to improve the sealing performance between the inner walls of the air-conditioning air duct.
  • the cross-sectional shape of the arc-shaped wall 13 parallel to the arrangement plane of the plurality of sound-absorbing blocks 2 is a circular arc, and the center of the circular arc is located on the central axis of the rotating shaft 15 .
  • This arrangement enables the movement locus of each point on the cross-section of the outer side surface of the housing 1 parallel to the arrangement plane of the plurality of sound-absorbing blocks 2 to be on the same circle during the rotation of the sound-absorbing assembly.
  • Installing the muffler assembly provided in this embodiment in the air duct can make the position of the inner wall of the air duct closest to the housing 1 unchanged during the rotation process, which is beneficial to simplify the structure of the seal between the muffler assembly and the inner wall of the air duct .
  • the outer sides of the first side wall 11 and the second side wall 12 are respectively provided with circular arc guide rails 16 , and the center of the guide rail 16 is located on the central axis of the rotating shaft 15 .
  • the surfaces of the air duct that are in contact with the first side wall 11 and the second side wall 12 are respectively provided with guide structures matched with the guide rails 16 .
  • the guide rail 16 is an arc-shaped convex ridge protruding on the first side wall 11 and the second side wall 12
  • the guide structure on the air inlet channel 3 is a guide groove conformal to the arc-shaped boss.
  • the arc-shaped convex ridge is embedded in the guide groove to improve the reliability of the connection between the muffler assembly and the air inlet channel 3 .
  • An embodiment of the present application further provides an air-conditioning system, the air-conditioning system includes the muffler assembly described in any of the above embodiments, and the muffler assembly can be installed in an air duct at a position where the wind direction needs to be changed, such as being fixed at the corner of the air duct; or , which is rotatably installed in an air duct with three tuyere to realize the switching communication between two tuyere and the other tuyere.
  • FIG. 4 is a schematic diagram of the assembly structure of the muffler assembly and the air duct according to the embodiment of the application
  • FIG. 5 is the assembly of the muffler assembly and the air duct in FIG. 4 .
  • the muffler assembly is installed in the air inlet channel 3 of the air conditioner.
  • the air inlet channel 3 is constructed with a first air outlet 31, a second air outlet 32 and a third air outlet 33.
  • the air inlet channel 3 is installed with a rotary drive member 34 for The muffler assembly is driven to rotate to switch the first tuyere 31 and the second tuyere 32 to communicate with the third tuyere 33 .
  • the muffler assembly has two states in which the first tuyere 31 and the third tuyere 33 communicate with each other and when the second tuyere 32 and the third tuyere 33 communicate with each other.
  • a fan is installed on the outer wall of the air inlet channel 3 at the third air outlet 33 , and the air inlet of the fan communicates with the third air outlet 33 .
  • the fan may be a centrifugal fan, a cross-flow fan, or an axial fan, etc., which is not specifically limited in the embodiment of the present application.
  • the muffler assembly can also be arranged in the air outlet duct of the air conditioner, that is, the third air outlet 33 is the air inlet, and the first air outlet 31 and the second air outlet 32 are both air outlets, so as to realize the switching of the wind direction of the air outlet and reduce noise. .
  • the first tuyere 31 and the second tuyere 32 are coaxially disposed, and the central axis of the first tuyere 31 is perpendicular to the central axis of the third tuyere 33 .
  • the rotation center of the muffler assembly is located on the central axis of the third tuyere 33 . As shown in FIG.
  • this can ensure that the left and right relative positions of the air outlet 23 of the muffler air duct and the third air outlet 33 remain unchanged when the muffler assembly is in the above two states, ensuring that the first air outlet 31 is in the direction of the third air outlet 33 and When the air flow from the second tuyere 32 to the direction of the third tuyere 33 is the same, it flows through the muffler assembly in the same state, so that the same muffling effect is achieved in both directions.
  • FIG. 6 it is a schematic diagram of the assembly structure of the muffler assembly and the air duct according to another embodiment of the present application.
  • the rotation center of the muffler assembly (such as the center of the rotating shaft 15 ) is located on the right outer side of the space above the third air outlet 33, and when the second air outlet 32 is connected with the third air outlet 33, the air outlet 23 of the muffler air duct is in corresponding communication with the third air outlet 33 , the airflow completely passes through the muffler assembly; and when the muffler assembly rotates until the first tuyere 31 communicates with the third tuyere 33 , the airflow directly flows to the third tuyere 33 without passing through the muffler assembly.
  • noise reduction and noise reduction are only performed on the airflow in the direction from the second tuyere 32 to the third tuyere 33 .
  • noise reduction and noise reduction are only performed on the airflow in the direction from the first tuyere 31 to the third tuyere 33 , which will not be repeated here.
  • the ventilation hole is a variable-section hole, and the cross section of the ventilation hole along the airflow direction is gradually reduced
  • only the muffler assembly is used to muffle and reduce the air intake in one direction.
  • the rotation center of the muffler assembly is set to the right outer side of the space above the third tuyere 33, as shown in FIG. 6 and FIG.
  • the outdoor fresh air does not flow directly to the third air outlet 33 through the muffler assembly, but only muffles the indoor return air.
  • the cross section of the ventilation hole 21 of the muffler block 2 can be gradually reduced from the side away from the third tuyere 33 to the side close to the third tuyere 33 .
  • FIG. 7 is a schematic diagram of the assembly structure of the muffler assembly and the air duct according to another embodiment of the present application.
  • the first air outlet 31 and the third air outlet 33 can be arranged coaxially.
  • the axis is perpendicular to the central axis of the second tuyere 32 .
  • the cross section of the ventilation hole 21 of the muffler block 2 can be gradually reduced from the side away from the third tuyere 33 to the side close to the third tuyere 33 .
  • the wind direction switching of the air duct is realized, and the direction of the first air outlet 31 to the third air outlet and/or the second air outlet 32 can also be realized at the same time. Muffler in the direction of the third air outlet.
  • the air inlet channel 3 is a rectangular air channel, and the cross-sectional shape of the outer side in the arrangement direction of the muffler blocks 2 is arc-shaped, then the muffler assembly is in the above two states. There is a gap between 3.
  • a sealing member needs to be arranged in the air inlet channel 3, so that the muffler assembly is in the In the above two states, the first tuyere 31 and the second tuyere 32 can be completely blocked.
  • a sealing plate is fixed in the air inlet duct perpendicular to its axial direction, and the outer side surface of the housing 1 can be tangent to the sealing plate to form a barrier between the first tuyere 31 or the second tuyere 32 and the third tuyere 33 .
  • the shape and size of the sealing plate match the gap between the housing 1 and the inner wall of the air inlet channel 3 .
  • the air inlet channel 3 is fixed with a first sealing plate 35 and a second sealing plate 36 .
  • the housing 1 and the third air outlet 33 are connected.
  • a sealing plate 35 cooperates to block the second tuyere 32 and the third tuyere 33; when the muffler assembly rotates to the state where the second tuyere 32 and the third tuyere are connected, the casing 1 cooperates with the second sealing plate 36 to block the first tuyere 31 and the third air outlet 33.
  • both the first sealing plate 35 and the second sealing plate 36 need to cooperate with the arc wall 13, the first side wall 11 and the second side wall 12 as a whole to form the first tuyere 31 of the muffler assembly in the above two states and the second tuyere 32 is blocked.
  • a sealing plate at the closest position can ensure that the first tuyere 31 and the second tuyere 32 are in a blocking state in the above two states of the muffler assembly.
  • a third sealing plate 37 is fixed in the air inlet channel 3 , and the housing 1 can cooperate with the third sealing plate 37 to form a first air outlet 31 or a second air outlet 32 and a third air outlet 33 barrier.
  • two sealing plates can also be provided, and the two sealing plates are respectively located on the two sides of the position where the air inlet channel 3 is closest to the muffler assembly.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)

Abstract

一种消音组件和空调系统，消音组件包括壳体（1）和多个消音块（2），多个所述消音块（2）间隔排列，所述消音块（2）的外缘与所述壳体（1）的内侧面固定相连，所述消音块（2）设有通风孔（21），多个所述消音块（2）的通风孔（21）相连通并与所述壳体（1）形成消音风道；能够使气流通过该消音通道时得到有效消音；该消音组件可作为零部件与空调的风道进行装配，使风道内气流通过该消音组件进行消音，其结构简单且方便制造，简化了空调的风道结构。

Description

消音组件和空调系统
相关申请的交叉引用
本申请要求于2020年10月29日提交的申请号为202011180088.1，名称为“消音组件和空调系统”的中国专利申请的优先权，其通过引用方式全部并入本文。
技术领域
本申请涉及空调技术领域，尤其涉及一种消音组件和空调系统。
背景技术
在空调的运行过程中，风机将室内或室外的空气吸入到蒸发器进行处理，从而达到对室内空气或者引入的新风进行制冷或制热的目的。其中，空气在空调的进风管道内流通时会产生噪音，尤其是在风道的风向转换位置会产生较大的噪音，导致空调的整体噪音较大。因此，一般需要在空调的风道内设置消音结构。而现有的风道消音技术均是在管道内壁构造消音结构以达到消音效果，但这样会使管道的结构和制造较为复杂。
发明内容
本申请实施例提供一种消音组件和空调系统，用以解决现有的空调技术中对空调风道的消音采用在风道内壁构造消音结构，导致风道的结构和制造均较复杂的问题。
本申请实施例提供一种消音组件，包括壳体和多个消音块，多个所述消音块间隔排列，所述消音块的外缘与所述壳体的内侧面固定相连，所述消音块设有通风孔，多个所述消音块的通风孔相连通并与所述壳体形成消音风道。
根据本申请一个实施例的消音组件，所述通风孔为变截面孔，所述通风孔的截面沿气流方向逐渐减小。
根据本申请一个实施例的消音组件，所述壳体包括第一侧壁、第二侧壁及弧形壁，所述弧形壁平行于多个所述消音块的排列平面的两端连接所 述第一侧壁和所述第二侧壁，所述弧形壁平行于所述排列平面的截面形状为圆弧形。
根据本申请一个实施例的消音组件，多个所述消音块呈圆形阵列式排布。
根据本申请一个实施例的消音组件，所述弧形壁垂直于多个所述消音块的排列方向的截面形状为弧形。
根据本申请一个实施例的消音组件，所述壳体固定有转轴，所述转轴用于连接旋转驱动件。
根据本申请一个实施例的消音组件，所述第一侧壁和所述第二侧壁的外侧分别设有圆弧形的导轨，所述导轨的圆心位于所述转轴的中心轴线上。
本申请实施例还提供一种空调系统，包括上述任一种所述的消音组件。
根据本申请一个实施例的空调系统，所述消音组件安装于空调的进风管道内，所述进风管道构造有第一风口、第二风口和第三风口，所述进风管道安装有旋转驱动件，用于驱动所述消音组件旋转以切换所述第一风口和所述第二风口与所述第三风口连通。
根据本申请一个实施例的空调系统，所述进风管道内固定有密封板，所述壳体的外侧面可与所述密封板相配合以形成所述第一风口或第二风口与所述第三风口的阻隔。
本申请实施例提供的消音组件和空调系统，通过在壳体内设置间隔设置的消音块，使消音块与壳体形成变截面消音通道，能够使气流通过该消音通道时得到有效消音；该消音组件可作为零部件与空调的风道进行装配，使风道内气流通过该消音组件进行消音，其结构简单且方便制造，简化了空调的风道结构。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例消音组件的立体图；
图2是本申请实施例消音组件的主视图；
图3是本申请实施例中消音块的结构示意图；
图4是本申请实施例消音组件与风道的装配结构示意图；
图5是图4中消音组件与风道的装配结构右视图；
图6是本申请又一实施例消音组件与风道的装配结构示意图；
图7是本申请再一实施例消音组件与风道的装配结构示意图。
附图标记：
1、壳体；11、第一侧壁；12、第二侧壁；13、弧形壁；15、转轴；16、导轨；2、消音块；21、通风孔；22、进风口；23、出风口；3、进风通道；31、第一风口；32、第二风口；33、第三风口；34、旋转驱动件；35、第一密封板；36、第二密封板；37、第三密封板。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请实施例的描述中，需要说明的是，除非另有明确的规定和限定，术语“第一”“第二”是为了清楚说明产品部件进行的编号，不代表任何实质性区别。“上”“下”“左”“右”的方向均以附图所示方向为准。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申请实施例中的具体含义。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”“相连”“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；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。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
下面结合图1-图7描述本申请实施例的消音组件和空调系统。
如图1所示为本申请实施例消音组件的立体图，如图2所示为本申请实施例消音组件的主视图。该消音组件包括壳体1和多个消音块2，多个 消音块2间隔排列，消音块2的外缘与壳体1的内侧面固定相连，消音块2设有通风孔21，多个消音块2的通风孔21相连通并与壳体1形成消音风道，该消音风道具有进风口22和出风口23。
由于消音风道由壳体1和多个间隔排列的消音块2形成，使消音通道成为变截面通道，每相邻两个消音块2之间形成突变截面通道，能够使气流通过该消音通道时得到有效消音。本申请实施例提供的消音组件可作为零部件与空调的风道进行装配，使风道内气流通过该消音组件进行消音，其结构简单且方便制造，简化了空调的风道结构。
进一步的，如图3所示为本申请实施例中消音块的结构示意图，本申请实施例提供的消音组件中，消音块2的通风孔21为变截面孔，通风孔的截面沿气流方向逐渐减小，从而使消音风道在通风孔21内具有渐变截面。通过该渐变截面和相邻消音块2之间的突变截面的结合，形成渐变截面和突变截面交替变化的消音风道，从而进一步提高了该消音组件的降噪消音效果。
在上述实施例的基础上，壳体1包括第一侧壁11、第二侧壁12及弧形壁13，弧形壁13平行于多个消音块2的排列平面的两端连接第一侧壁11和第二侧壁12，弧形壁13平行于多个消音块2的排列平面的截面形状为圆弧形。通常的将该消音组件安装于空调风道时，多个消音块2的排列平面与风道的纵轴面平行。消音块2的外缘分别与第一侧壁11、第二侧壁12和弧形壁13的内侧固定相连。气流进入消音通道后，能够在该圆弧形的弧形壁13的阻挡之下发生方向的偏转。因此，本申请实施例提供的消音组件可安装于空调风道的风向转换位置，同时实现风向的转换和消音。另外，弧形壁13相比于传统的平面式挡板，能够起到一定的降噪作用。进一步的，如图1和图2所示，多个消音块2呈圆形阵列式分布。
为进一步提高消音通道的消音效果，如图1和图5所示，弧形壁13垂直于多个消音块2的排列方向的截面形状为弧形。当第一侧壁11和第二侧壁12为平行的平面板时，例如，弧形壁13为球面板；又例如，弧形壁13垂直于多个消音块2的排列方向的截面形状为圆弧形。
在上述实施例的基础上，壳体1固定有转轴15，转轴15用于连接旋转驱动件。具体的，转轴15固定于壳体1在多个消音块2排列平面的两 侧，例如，两个转轴15分别固定于第一侧壁11和第二侧壁12。转轴15用于与风道的侧壁转动连接，旋转驱动件的驱动端与其中一个转轴15固定连接，通过旋转驱动件34驱动该转轴15转动，从而带动壳体1旋转。转轴15可垂直于多个消音块2的排列平面，使壳体1在排列平面上旋转。本申请实施例提供的消音组件可安装于空调风道的风向切换位置并配合风道的进出风口设置，通过其自身绕转轴15旋转实现对风道内风向的切换。
其中，第一侧壁11和第二侧壁12为相互平行且垂直于转轴的平面板，以使消音组件通过转轴15安装于矩形风道，并在矩形风道的纵轴面上旋转时，第一侧壁11和第二侧壁12能够与空调风道的内壁相贴合，有利于壳体1提高空调风道内壁之间的密封性。
进一步的，弧形壁13平行于多个消音块2的排列平面的截面形状为圆弧形，该圆弧形的圆心位于转轴15的中心轴线上。如此设置能够使在消音组件在旋转过程中，其壳体1的外侧面在平行于多个消音块2的排列平面的截面上的每个点的运动轨迹在同一个圆上。将本实施例提供的消音组件安装于风道内，能够使其在旋转过程中，风道内壁距离壳体1最近的位置不变，有利于简化消音组件与风道内壁之间的密封件的结构。
本申请实施例中，如图1和图2所示，第一侧壁11和第二侧壁12的外侧分别设有圆弧形导轨16，导轨16的圆心位于转轴15的中心轴线上。风道与第一侧壁11和第二侧壁12相贴合的面上分别对应设有与导轨16配合的导向结构。例如，导轨16为凸设于第一侧壁11和第二侧壁12上的圆弧形凸楞，进风通道3上的导向结构为与该圆弧形凸台共形的导向槽。安装时将圆弧形凸楞嵌入导向槽内，提高消音组件与进风通道3之间连接的可靠性。
本申请实施例还提供一种空调系统，该空调系统包括上述任一实施例所述的消音组件，该消音组件可安装于风道内需要转换风向的位置，如固定在风道的拐角处；或者，旋转安装于具有三个风口的风道内，实现其中两个风口与另一风口的切换连通。
以消音组件安装于空调的进风管道为例说明，如图4所示为本申请实施例消音组件与风道的装配结构示意图，如图5所示为图4中消音组件与 风道的装配结构右视图，消音组件安装于空调的进风通道3内，进风通道3构造有第一风口31、第二风口32和第三风口33，进风通道3安装有旋转驱动件34，用于驱动消音组件旋转以切换第一风口31和第二风口32与第三风口33连通。具体的，消音组件在进风通道3内存在第一风口31和第三风口33连通以及第二风口32与第三风口33连通时的两种状态。其中，进风通道3外壁位于第三风口33处安装有风机，风机的进风口与第三风口33连通。风机可以为离心风机、贯流风机或轴流风机等，对此本申请实施例不做具体限定。需要说明的是，消音组件也可以设置于空调的出风管道内，即第三风口33为进风口，第一风口31和第二风口32均为出风口，实现出风的风向切换并降噪。
在其中一个实施例中，第一风口31与第二风口32同轴设置，第一风口31的中心轴线与第三风口33的中心轴线垂直。消音组件的旋转中心位于第三风口33的中心轴线上。如图4所示，这样可以保证消音组件在上述两种状态时，消音风道的出风口23与第三风口33的左右相对位置不变，保证了第一风口31向第三风口33方向和第二风口32向第三风口33方向的气流量相同的情况下以相同的状态流经消音组件，使两个方向达到相同的消音效果。
在其中一个实施例中，如图6所述为本申请又一实施例消音组件与风道的装配结构示意图。消音组件的旋转中心(如转轴15的中心)位于第三风口33上方空间的右外侧，且第二风口32与第三风口33连通时，消音风道的出风口23与第三风口33对应连通，气流完全通过消音组件；而当消音组件旋转至第一风口31与第三风口33连通时，气流不通过消音组件而直接流向第三风口33。从而实现只对第二风口32到第三风口33方向的气流进行降噪消音。同理，也可实现只对第一风口31到第三风口33方向的气流进行降噪消音，对此不再赘述。
当利用该消音组件实现空调风道的风向切换，且通风孔为变截面孔，通风孔沿气流方向的横截面逐渐减小时，则只利用该消音组件对一个方向的进风进行消音降噪。例如，第一风口31连通室外新风通道，第二风口32连通室内回风通道，则一般只需对室内回风进行降噪。此时，则将消音组件的旋转中心设置到第三风口33上方空间的右外侧，如图6和图7所 示，使得当消音组件旋转至第一风口31与第三风口33连通状态时，室外新风不通过消音组件直接流向第三风口33，而仅对室内回风进行消音。这种情况下，可使消音块2的通风孔21横截面从远离第三风口33一侧到靠近第三风口33一侧逐渐减小。
在本实施例的基础上，如图7所示为本申请再一实施例消音组件与风道的装配结构示意图，第一风口31与第三风口33可同轴设置，第一风口31的中心轴线与第二风口32的中心轴线垂直。当通风孔21远离出风口23的一侧到靠近出风口23的一侧的横截面逐渐减小时，该消音组件的安装具有方向性，其适用于给一个方向的气流进行降噪消音。例如，第一风口31连通室外新风通道，第二风口32连通室内回风通道，则一般只需对室内回风进行降噪，使室外新风不通过消音组件直接流向第三风口33。此时，可使消音块2的通风孔21横截面从远离第三风口33一侧到靠近第三风口33一侧逐渐减小。
本申请实施例提供的空调系统，通过使消音组件在风道内的旋转，即实现了对风道的风向切换，同时还能实现对第一风口31向第三风口和/或第二风口32向第三风口方向的消音。
若进风通道3的内壁与壳体1的外侧面不能形成密封配合，会导致第一风口31和第二风口32不能完全阻隔。例如，如图5所示，进风通道3为矩形风道，而外侧面在消音块2的排列方向上的横截面形状为弧形，则消音组件在上述两种状态时均与进风通道3之间存在间隙。因此，在上述任一实施例的基础上，当壳体1不能直接与进风通道3的内侧壁相配合以形成密封配合时，则需要在进风通道3内设置密封件，使消音组件在上述两种状态时，第一风口31和第二风口32能够完全阻隔。
本申请实施例中，进风管道内垂直于其轴线方向固定有密封板，壳体1的外侧面可与密封板相切以形成第一风口31或第二风口32与第三风口33的阻隔。密封板的形状和大小与壳体1和进风通道3内壁之间的空隙相匹配。
具体的，如图4所示，进风通道3固定有第一密封板35和第二密封板36，消音组件旋转至第一风口31与第三风口33连通的状态时，壳体1与第一密封板35配合以阻隔第二风口32与第三风口33；消音组件旋转至 第二风口32与第三风口33连通的状态时，壳体1与第二密封板36配合以阻隔第一风口31与第三风口33。其中，第一密封板35和第二密封板36均需要与弧形壁13、第一侧壁11和第二侧壁12的整体相配合以形成消音组件在上述两种状态下第一风口31和第二风口32的阻隔。
当壳体1在平行于多个消音块2的排列平面的截面形状为圆弧形，且该圆弧形的圆心位于转轴15的中心轴线上时，只需要在进风通道3与壳体1最接近的位置设置一个密封板即可保证消音组件在上述两种状态下第一风口31和第二风口32均处于阻隔状态。具体的，如图6所示，进风通道3内固定有第三密封板37，壳体1可与第三密封板37相配合以形成第一风口31或第二风口32与第三风口33的阻隔。当然，也可以设置两个密封板，两个密封板分别位于进风通道3与消音组件最接近的位置的两侧。
最后应说明的是：以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的精神和范围。

Claims (10)

  1. 一种消音组件，其特征在于，包括壳体和多个消音块，多个所述消音块间隔排列，所述消音块的外缘与所述壳体的内侧面固定相连，所述消音块设有通风孔，多个所述消音块的通风孔相连通并与所述壳体形成消音风道。
  2. 根据权利要求1所述的消音组件，其特征在于，所述通风孔为变截面孔，所述通风孔的截面沿气流方向逐渐减小。
  3. 根据权利要求1所述的消音组件，其特征在于，所述壳体包括第一侧壁、第二侧壁及弧形壁，所述弧形壁平行于多个所述消音块的排列平面的两端连接所述第一侧壁和所述第二侧壁，所述弧形壁平行于所述排列平面的截面形状为圆弧形。
  4. 根据权利要求3所述的消音组件，其特征在于，多个所述消音块呈圆形阵列式排布。
  5. 根据权利要求3所述的消音组件，其特征在于，所述弧形壁垂直于多个所述消音块的排列方向的截面形状为弧形。
  6. 根据权利要求3～5任一项所述的消音组件，其特征在于，所述壳体固定有转轴，所述转轴用于连接旋转驱动件。
  7. 根据权利要求6所述的消音组件，其特征在于，所述第一侧壁和所述第二侧壁的外侧分别设有圆弧形的导轨，所述导轨的圆心位于所述转轴的中心轴线上。
  8. 一种空调系统，其特征在于，包括权利要求1～7任一项所述的消音组件。
  9. 根据权利要求8所述的空调系统，其特征在于，所述消音组件安装于空调的进风管道内，所述进风管道构造有第一风口、第二风口和第三风口，所述进风管道安装有旋转驱动件，用于驱动所述消音组件旋转以切换所述第一风口和所述第二风口与所述第三风口连通。
  10. 根据权利要求9所述的空调系统，其特征在于，所述进风管道内固定有密封板，所述壳体的外侧面可与所述密封板相配合以形成所述第一风口或第二风口与所述第三风口的阻隔。
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