WO2022017335A1 - 新风模块及空调器 - Google Patents

新风模块及空调器 Download PDF

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Publication number
WO2022017335A1
WO2022017335A1 PCT/CN2021/107198 CN2021107198W WO2022017335A1 WO 2022017335 A1 WO2022017335 A1 WO 2022017335A1 CN 2021107198 W CN2021107198 W CN 2021107198W WO 2022017335 A1 WO2022017335 A1 WO 2022017335A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
fresh air
centrifugal
air inlet
wind wheel
Prior art date
Application number
PCT/CN2021/107198
Other languages
English (en)
French (fr)
Inventor
林健辉
赵紫生
马列
Original Assignee
广东美的制冷设备有限公司
美的集团股份有限公司
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 广东美的制冷设备有限公司, 美的集团股份有限公司 filed Critical 广东美的制冷设备有限公司
Priority to EP21847146.4A priority Critical patent/EP4151913A4/en
Publication of WO2022017335A1 publication Critical patent/WO2022017335A1/zh

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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
    • F24F1/0043—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
    • 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
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • 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
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022—Centrifugal or radial fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air

Definitions

  • the present application relates to the technical field of air conditioners, and in particular, to a fresh air module and an air conditioner.
  • air conditioners on the market are usually equipped with a fresh air module, so as to use the fresh air module to introduce fresh air from the outdoor environment into the indoor environment to supplement the fresh air volume of the indoor environment and improve the air quality of the indoor environment.
  • the fresh air module is usually arranged in the casing of the air conditioner, and the structure of the air conditioner is generally relatively compact, and the space inside the casing is limited.
  • the fresh air duct of the fresh air module usually needs to be constructed to be smaller. size of. In a small fresh air duct, if the size and structure of the fresh air duct are unreasonable, the fan will not be able to fully exert the air supply capacity, resulting in a small fresh air volume of the fresh air module.
  • the main purpose of this application is to propose a fresh air module, which aims to provide a fresh air module and an air conditioner with reasonable size and setting, which can fully exert the air supply capacity of the fan.
  • a fresh air module comprising:
  • the casing is provided with an air inlet and an air outlet, and a fresh air duct connected with the air inlet and the air outlet;
  • a centrifugal wind wheel arranged in the fresh air duct
  • a divider is arranged in the fresh air duct to separate the fresh air duct into an air inlet air cavity close to the air inlet and a centrifugal air cavity with the centrifugal wind wheel, and the divider is provided with There is a ventilation port, the ventilation port is connected with the air inlet air cavity and the centrifugal air cavity, and is arranged corresponding to the air inlet end of the centrifugal wind wheel;
  • the ratio S1/S2 of the width dimension of the air inlet air cavity and the centrifugal air cavity in the axial direction of the centrifugal wind wheel is greater than or equal to 0.7 and less than or equal to 1.3.
  • the ratio S1/S2 of the width dimension of the air inlet air cavity and the centrifugal air cavity in the axial direction of the centrifugal impeller is greater than or equal to 0.9 and less than or equal to 1.3.
  • the ratio S1/S2 of the width dimension of the air inlet air cavity and the centrifugal air cavity in the axial direction of the centrifugal impeller is greater than or equal to 1.0 and less than or equal to 1.2.
  • the fresh air module further includes a purification component, and the purification component is disposed in the fresh air duct and is disposed corresponding to the air inlet end of the centrifugal wind wheel.
  • the air inlet is arranged at an end of the air inlet chamber away from the centrifugal wind wheel, and the purification component is arranged in the air inlet chamber.
  • the purification assembly includes a mounting frame and a purification member disposed on the mounting frame, the purification member is flat, and is mounted on the partition through the mounting frame, and the purification member is flat.
  • the ventilation area of the piece is larger than the ventilation area of the vent.
  • the purifying element is disposed obliquely with respect to a plane where the air vent is located, so that the air vent and the air inlet are located on two sides of the purifying element, respectively.
  • the angle a between the purifying element phase and the plane where the vent is located is greater than or equal to 10 degrees and less than or equal to 20 degrees.
  • the mounting frame includes a current collecting ring, one end of the current collecting ring is covered with the purifying element, the other end is butted to the ventilation opening, and the inner wall of the current collecting ring is free from the purifying element.
  • the pieces are arranged in a tapered manner toward the vent.
  • the fresh air module further includes a valve assembly, the valve assembly includes a driving part and a damper, the damper is openably and closably installed on the air inlet, and the driving part is used to drive the damper. Open or close the air inlet.
  • an air guide ring is configured on the periphery of the ventilation opening, and the air guide ring is arranged in a tapered manner from the air inlet air cavity to the centrifugal air cavity.
  • the diameter of the centrifugal wind wheel is greater than or equal to 100 mm and less than or equal to 150 mm.
  • the maximum dimension of the fresh air module in the axial direction of the centrifugal wind wheel is greater than or equal to 90 mm and less than or equal to 110 mm.
  • the application also proposes an air conditioner, comprising:
  • the fresh air module is arranged in the casing.
  • the air conditioner is a wall-mounted air conditioner indoor unit
  • the fresh air module is disposed at one end of the casing in the length direction
  • the axial direction of the centrifugal wind wheel extends along the length direction of the casing.
  • the fresh air module includes a casing, a centrifugal wind wheel and a partition
  • the casing is provided with an air inlet and an air outlet, and a fresh air duct connected to the air inlet and the air outlet
  • the partition separates the fresh air duct
  • the partition is provided with a ventilation port
  • the ventilation port is connected with the air inlet air cavity and the centrifugal air cavity, and corresponds to the air inlet end of the centrifugal wind wheel.
  • the ratio of the width dimension of the air inlet air cavity and the centrifugal air cavity in the axial direction of the centrifugal wind wheel is greater than or equal to 0.7 and less than or equal to 1.3.
  • the air inlet air volume at the air inlet air cavity matches the air supply air volume of the centrifugal wind wheel, and the air supply capacity of the centrifugal wind wheel cannot be fully caused by the small size of the air inlet air cavity and the excessive wind resistance. Play well without wasting space due to the large size of the air inlet air cavity.
  • the air supply capacity of the centrifugal wind wheel can be fully exerted in a limited space, so that the fresh air volume of the fresh air module is within a reasonable range, and the overall structure of the fresh air module is compact and takes up space. small.
  • FIG. 1 is a front view of an embodiment of an air conditioner provided by the application
  • FIG. 2 is a front view of the air conditioner of FIG. 1 with the housing removed;
  • Fig. 3 is the three-dimensional structure schematic diagram of the air conditioner in Fig. 2;
  • Fig. 4 is the front view of the fresh air module in Fig. 2;
  • Figure 5 is a cross-sectional view along line A-A in Figure 4.
  • Fig. 6 is the side view of the fresh air module in Fig. 4;
  • FIG. 7 is a cross-sectional view along line B-B in FIG. 4;
  • Fig. 8 is the three-dimensional structure exploded schematic diagram of the fresh air module in Fig. 4;
  • FIG. 9 is a trend chart of the change of the fresh air volume with the ratio S1/S2 of the width dimension of the inlet air cavity and the centrifugal air cavity in the axial direction of the centrifugal wind wheel in an embodiment of the fresh air module provided by the application.
  • the present application provides a fresh air module 200 and a wall-mounted air conditioner indoor unit and an air conditioner 100 including the fresh air module 200 .
  • the air conditioner 100 may be an air conditioner indoor unit or an air conditioner outdoor unit, and may also be a complete air conditioner including an air conditioner indoor unit and an air conditioner outdoor unit.
  • the fresh air module 200 is installed in the indoor unit of the air conditioner to directly deliver fresh air indoors, avoiding setting up a fresh air transmission channel between the outdoor unit of the air conditioner and the room, resulting in an excessively long fresh air transmission channel, large wind resistance and difficult maintenance.
  • the air-conditioning indoor unit may be any one of a wall-mounted air-conditioning indoor unit, a cabinet-type air-conditioning indoor unit, an air unit, a ceiling-mounted air-conditioning indoor unit, or the mobile air conditioner 100 .
  • the air conditioner 100 is mainly described as an example of a wall-mounted air conditioner indoor unit, and other types can be referred to for implementation.
  • the air conditioner 100 is a wall-mounted air conditioner indoor unit, and the fresh air module 200 is disposed at one end of the casing 101 in the length direction.
  • the shape and structure of the wall-mounted air conditioner indoor unit casing 101 itself is fully utilized, and the fresh air module 200 is added without affecting the original structure as much as possible, resulting in low production cost and beautiful appearance of the air conditioner indoor unit.
  • the fresh air module 200 includes a casing 10 , a centrifugal fan wheel 70 and a partition 30 .
  • the casing 10 is provided with an air inlet 11 and an air outlet 12 , and a fresh air connected to the air inlet 11 and the air outlet 12 .
  • the air duct, the centrifugal wind wheel 70 and the partition 30 are arranged in the fresh air duct, and the partition 30 separates the fresh air duct into the air inlet air cavity 21 close to the air inlet 11 and the centrifugal air cavity 22 with the centrifugal air wheel 70,
  • the partition 30 is provided with a ventilation port 31, the ventilation port 31 is connected to the air inlet air cavity 21 and the centrifugal air cavity 22, and is arranged corresponding to the air inlet end of the centrifugal wind wheel 70.
  • the ratio S1/S2 of the width dimension in the axial direction of the wheel 70 is equal to or greater than 0.7 and equal to or less than 1.3.
  • the fresh air inlet is used to communicate with the outside, so as to introduce the outdoor air into the air inlet cavity 21, and the centrifugal wind wheel 70 drives the air to flow, so that the air flows through the air inlet air cavity 21, and then flows from the vent 31 to the centrifugal air
  • the centrifugal fan 70 in the cavity 22 flows out from the air outlet 12 and is sent to the room.
  • the fresh air is supplied to the indoor environment through the installation of the fresh air module 200, thereby improving the air quality of the indoor environment.
  • the axial direction of the centrifugal wind wheel 70 extends along the length direction of the wall-mounted air conditioner indoor unit, that is, the air inlet air cavity 21 and the centrifugal air cavity 22 are along the wall-mounted air conditioner indoor unit.
  • the cross section of the housing 101 of the wall-mounted air conditioner indoor unit is adapted to the size of the centrifugal wind wheel 70, the housing 101 can provide enough space to install the centrifugal wind wheel 70, and the whole fresh air module 200 is mounted on the wall.
  • the thickness in the longitudinal direction of the wall-mounted air conditioner indoor unit is relatively small, so that the overall shape of the fresh air module 200 is flat, and is adapted to the shape of the casing 101 of the wall-mounted air conditioner indoor unit. In this way, the wall-mounted air conditioner indoor unit provided with the fresh air module 200 is only slightly longer in length compared to the traditional air conditioner indoor unit, and the two have little difference in appearance and are more beautiful.
  • the centrifugal wind wheel 70 is axially in and radially out.
  • the air outlet 12 is connected to the centrifugal air cavity 22 and is located on one side of the centrifugal wind wheel 70 .
  • the partition 30 divides the fresh air duct into the air inlet air cavity 21 and the centrifugal air cavity 22 . It can be integrally formed with the housing 10 .
  • the specific shape of the partition member 30 is preferably a plate shape, and other forms are also possible, as long as the ventilation port 31 opposite to the centrifugal fan wheel 70 can be formed.
  • the air inlet 31 is connected to the air inlet air chamber 21 and the centrifugal air chamber 22 , and is used for introducing the air flow from the air inlet air chamber 11 into the centrifugal air chamber 22 through the air inlet air chamber 21 through the air inlet air chamber 31 .
  • the shape and size of the vent 31 is set to match the air inlet end of the centrifugal rotor 70 to provide the centrifugal rotor 70 with air inlet in the axial direction.
  • the area of the ventilation opening 31 is substantially the same as that of the air inlet end of the centrifugal wind wheel 70 or slightly smaller than the area of the air inlet end of the centrifugal wind wheel 70 .
  • the cross-sectional area of the air inlet cavity in the axial direction of the centrifugal impeller 70 is larger than the area of the vent 31 .
  • the overall shape and size of the centrifugal air cavity 22 should be adapted to the centrifugal wind wheel 70.
  • the centrifugal air cavity 22 is in the shape of a volute, so that the airflow in the centrifugal air cavity 22 can be smoothly controlled by the centrifugal wind wheel 70. Send out the air outlet 12.
  • the width dimensions of the air inlet air cavity 21 and the centrifugal air cavity 22 in the axial direction of the centrifugal wind wheel 70 should be adapted. If the distance between them is too close, the wind resistance in the air inlet cavity 21 is too large, and the pressure loss in the process of the airflow flowing from the air inlet 11 to the ventilation port 31 is too large, resulting in insufficient wind pressure at the air inlet end of the centrifugal wind wheel 70. , the air supply capacity of the centrifugal wind wheel 70 cannot be fully exerted, resulting in a small fresh air volume of the fresh air module 200 .
  • the overall size of the fresh air duct will be larger, and the size of the fresh air cavity will be further increased. Without increasing the size of the centrifugal wind wheel 70, the The improvement effect of the fresh air volume is limited, and the overall structure of the fresh air module 200 is not compact enough, resulting in unnecessary waste of space.
  • the ratio S1/S2 of the width dimension of the air inlet air cavity 21 and the centrifugal air cavity 22 in the axial direction of the centrifugal wind wheel 70 is greater than or equal to 0.7 and less than or equal to 1.3.
  • the air intake air volume at the air inlet air cavity 21 matches the air supply air volume of the centrifugal wind wheel 70, and neither the air intake air cavity 21 is too small in size or the wind resistance is too large to cause the centrifugal wind wheel 70 to send air.
  • the wind capacity cannot be fully exerted, and space is not wasted because the size of the air inlet air cavity 21 is too large.
  • the air supply capacity of the centrifugal wind wheel 70 can be fully exerted in a limited space, so that the fresh air volume of the fresh air module 200 is within a reasonable range, and the overall structure of the fresh air module 200 is compact. , takes up little space.
  • the width of the air inlet air cavity 21 and the centrifugal air cavity 22 in the axial direction of the centrifugal wind wheel 70 refers to the two inner walls of the cavity in the axial direction of the centrifugal wind wheel 70 .
  • the net size refers to the average value of the net dimensions in the range of the air cavity.
  • FIG. 9 shows a schematic diagram of the trend of changing the air volume of the fresh air with the ratio S1/S2 of the width dimension of the inlet air cavity 21 and the centrifugal air cavity 22 in the axial direction of the centrifugal wind wheel 70 in an embodiment.
  • the ratio S1/S2 of the width dimension of the air inlet air cavity 21 and the centrifugal air cavity 22 in the axial direction of the centrifugal wind wheel 70 is greater than or equal to 0.7 and less than or equal to 1.3
  • the fresh air volume corresponds to between 20-26 m3/h.
  • the fresh air volume is greater than or equal to 0.9 and less than or equal to 1.3 according to the ratio S1/S2 of the width dimension of the inlet air cavity 21 and the centrifugal air cavity 22 in the axial direction of the centrifugal wind wheel 70.
  • the fresh air volume Corresponding between 23-26 m3/h.
  • the air volume of the fresh air is greater than or equal to 1.0 and less than or equal to 1.2 according to the ratio S1/S2 of the width dimension of the inlet air cavity 21 and the centrifugal air cavity 22 in the axial direction of the centrifugal wind wheel 70 .
  • the fresh air volume of the fresh air module 200 is above 25 m3/h, which can achieve a better ventilation effect.
  • the fresh air module 200 further includes a purification component, which is disposed in the fresh air duct and is disposed corresponding to the air inlet end of the centrifugal wind wheel 70 .
  • a purification component which is disposed in the fresh air duct and is disposed corresponding to the air inlet end of the centrifugal wind wheel 70 .
  • This part of the fresh air flows to the air inlet end of the centrifugal fan 70 and is located in the
  • the purification component at the air inlet end of the wind wheel 70 is purified into relatively clean fresh air, and then the clean fresh air enters into its interior from the air inlet end of the centrifugal wind wheel 70, and is thrown by the centrifugal wind wheel 70 along its radial direction. Out to the air outlet 12, and finally blow out from the air outlet 12.
  • the centrifugal wind wheel 70 is axially in and radially out. Compared with the relatively narrow air inlet surface at and near the air inlet 11, a larger air inlet is formed at the air inlet end of the centrifugal wind wheel 70. The wind surface, so the air intake space formed here is also larger. Therefore, by setting the purification assembly to correspond to the air inlet end of the centrifugal wind wheel 70, the purification surface through which the air of the purification assembly passes to achieve purification can be designed to be larger, thereby increasing the air purification efficiency of the purification assembly. In addition, since the purification components are correspondingly designed to be larger, the amount of air that can be purified by the purification components increases accordingly, thereby prolonging the service life of the purification components and prolonging the period of replacing the purification components.
  • the purification component may be suitable for removing any one or more of air pollutants such as dust, fine particles, microorganisms, organic volatile gases such as formaldehyde, etc. in the air.
  • the specific type of the purifying element 40 can be selected according to its function, for example, the purifying element 40 can be any one or a combination of an ordinary filter screen, a HEPA net, a formaldehyde remover or an IFD filter, or a primary filter screen, Any one or a combination of medium-efficiency filters and high-efficiency filters.
  • the opening position of the air inlet 11 can be set as required.
  • the air inlet 11 is provided at the end of the air inlet cavity 21 away from the vent 31 to reduce the flow of the air from the vent 31 to the air inlet end of the centrifugal fan 70 along the axial direction of the centrifugal fan 70 .
  • the airflow is disturbed by the intake airflow.
  • the purification component is arranged in the air inlet cavity 21 , and the air inlet 11 is arranged so that the air flow sufficiently flows through the purification component in the air inlet cavity 21 , and is conveyed to the centrifugal wind wheel 70 after purification.
  • the housing 10 of the fresh air module 200 may be provided with an air inlet 11 at the bottom thereof, and the housing 10 may be provided with an air outlet 12 at the top, front side, left side or right side thereof.
  • Corresponding design may be carried out in combination with the specific type of the air conditioner 100 to which the fresh air module 200 is applied. Specifically, please refer to FIG. 2 and FIG. 3.
  • the housing 10 can be provided with an air inlet 11 at the bottom, and an air outlet 12 at the front side of the housing 10.
  • the air inlet 11 and the air outlet 12 are respectively located in different radial directions of the centrifugal wind wheel 70, and an angle a is formed between the air inlet direction and the air outlet direction, so that the fresh air flow can be fully purified and pumped to the air outlet 12 through the centrifugal wind wheel 70, and blown out into the room. .
  • the purification assembly includes a mounting frame 41 and a purification member 40 disposed on the mounting frame 41.
  • the purification member 40 is installed on the partition member 30 through the mounting frame 41.
  • the purification member 40 is flat and can be a common filter screen or a HEPA net, etc., and the ventilation area of the purification element 40 is larger than the ventilation area of the ventilation port 31 .
  • the purification component is arranged on the air inlet side of the ventilation port 31, and the ventilation area of the purification member 40 is larger than that of the ventilation port 31, so as to completely cover the ventilation port 31, so that the purification component can obtain a larger purification surface, which can Capture more air pollutants and improve the purification efficiency of purification components.
  • the purification member 40 is inclined with respect to the plane where the ventilation port 31 is located, so that the ventilation port 31 and the air inlet 11 are located on two sides of the purification member 40 respectively.
  • the space of the air inlet air cavity 21 is used to obliquely set the clean room to further increase the ventilation area of the clean room and improve the purification effect.
  • the angle a between the purification element 40 and the plane where the vent 31 is located is greater than or equal to 10 degrees and less than or equal to 20 degrees. Spend.
  • the space in the air inlet air cavity 21 can be fully utilized, and the ventilation area of the purification member 40 can be effectively increased to improve the purification effect.
  • the mounting frame 41 includes a collecting ring 42 , one end of the collecting ring 42 is covered with a purification piece 40 , and the other end is butted to the vent 31 .
  • the inner wall of 42 is arranged in a tapered manner from the purification element 40 to the ventilation opening 31 .
  • the air flowing through the purifying element 40 is affected by the purifying element 40 at a slower flow rate. Therefore, the collecting ring 42 is provided to collect the air flowing through the purification element 40 , and guide the air flow to the centrifugal fan 70 through the ventilation port 31 .
  • the fresh air module 200 further includes a valve assembly
  • the valve assembly includes a driving part 51 and a damper 50
  • the damper 50 can be opened and closed at the air inlet 11
  • the driving part 51 is used to drive the damper 50 Open or close the air inlet 11 .
  • the valve can be opened when the fresh air module 200 is working, and closed when the fresh air module 200 is stopped, so as to prevent the airflow from flowing backward into the fresh air module 200 .
  • the air inlet 11 can be closed through the damper 50 to prevent outdoor cold air from entering the fresh air module 200 from freezing and damaging, or entering the indoor environment through the fresh air module 200 .
  • the air guide ring 32 is configured on the periphery of the vent 31, and the wind guide ring 32 is directed from the air inlet air cavity 21 to the centrifugal air cavity 22. Tapered setting. In order to reduce the resistance of the airflow passing through the vent 31 , and increase the wind pressure on the air outlet side of the vent 31 , it is helpful to guide the airflow through the vent 31 into the centrifugal rotor 70 .
  • the diameter of the centrifugal wind wheel 70 is greater than or equal to 100 mm and less than or equal to 150 mm.
  • the size of the centrifugal wind wheel 70 can meet the air volume requirement and occupy a small space, so that the fresh air module 200 has a compact structure and is suitable for the needs of a wall-mounted air conditioner indoor unit.
  • the maximum dimension of the fresh air module 200 in the axial direction of the centrifugal wind wheel 70 is greater than or equal to 90 mm and less than or equal to 110 mm. In this way, the fresh air module 200 has a relatively small thickness as a whole, can meet the requirements of a narrow space in the housing 101 of the air conditioner 100 , and is installed in the housing 101 of the air conditioner 100 .
  • the present application further provides an air conditioner 100 , the air conditioner 100 includes a housing 101 and a fresh air module 200 installed in the housing 101 .
  • the specific structure of the fresh air module 200 refers to the above-mentioned embodiments. Since the air conditioner 100 adopts all the technical solutions of the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments. Repeat.
  • the air conditioner 100 is any one of a wall-mounted air conditioner indoor unit, a cabinet-type air conditioner indoor unit, an air unit, a ceiling-mounted air conditioner indoor unit, or a portable air conditioner 100 .
  • the air conditioner 100 is a wall-mounted air conditioner indoor unit.

Abstract

提供了一种新风模块（200）及空调器（100），新风模块（200）包括壳体（10）、离心风轮（70）和分隔件（30），壳体（10）设置有进风口（11）和出风口（12）、以及连通进风口（11）和出风口（12）设置的新风风道（20），离心风轮（70）设于新风风道（20）内，分隔件（30）设于新风风道（20）内，以将新风风道（20）分隔为靠近进风口（11）的进风风腔（21）、以及设有离心风轮（70）的离心风腔（22），分隔件（30）上开设有通风口（31），通风口（31）连通进风风腔（21）和离心风腔（22），且对应离心风轮（70）的进风端设置，进风风腔（21）和离心风腔（22）在离心风轮（70）轴向上的宽度尺寸之比大于等于0.7、且小于等于1.3。

Description

新风模块及空调器
本申请要求于2020年7月20日申请的、申请号为202021435973.5的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及空调器技术领域，特别涉及一种新风模块及空调器。
 背景技术
在相关技术中，市场上的空调器通常配置有新风模块，以利用该新风模块将室外环境的新鲜空气引入到室内环境中，来补充室内环境的新风量，提高室内环境的空气质量。
新风模块通常设置在空调器的外壳内，而空调器的结构一般较为紧凑，外壳内空间有限，为了在空调器有限的内部空间安装新风模块，新风模块的新风风道通常需要被构造为较小的尺寸。而在狭小的新风风道内，若新风风道的尺寸结构设置不合理，风机将无法较充分地发挥送风能力，导致新风模块的新风量偏小。
 技术问题
本申请的主要目的是提出一种新风模块，旨在提供一种尺寸设置合理、能较充分地发挥风机送风能力的新风模块和空调器。
 技术解决方案
为实现上述目的，本申请提出一种新风模块，包括：
壳体，所述壳体设置有进风口和出风口、以及连通所述进风口和所述出风口设置的新风风道；
离心风轮，设于所述新风风道内；以及，
分隔件，设于所述新风风道内，以将所述新风风道分隔为靠近所述进风口的进风风腔、以及设有所述离心风轮的离心风腔，所述分隔件上开设有通风口，所述通风口连通所述进风风腔和所述离心风腔，且对应所述离心风轮的进风端设置；
其中，所述进风风腔和所述离心风腔在所述离心风轮轴向上的宽度尺寸之比S1/S2大于等于0.7、且小于等于1.3。
在一实施例中，所述进风风腔和所述离心风腔在所述离心风轮轴向上的宽度尺寸之比S1/S2大于等于0.9、且小于等于1.3。
在一实施例中，所述进风风腔和所述离心风腔在所述离心风轮轴向上的宽度尺寸之比S1/S2大于等于1.0、且小于等于1.2。
在一实施例中，所述新风模块还包括净化组件，所述净化组件设于所述新风风道，且与所述离心风轮的进风端呈对应设置。
在一实施例中，所述进风口设于所述进风风腔远离所述离心风轮的一端，所述净化组件设于所述进风风腔内。
在一实施例中，所述净化组件包括安装架及设于所述安装架上的净化件，所述净化件呈扁平状，且通过所述安装架安装于所述分隔件，且所述净化件的通风面积大于所述通风口的通风面积。
在一实施例中，所述净化件相对于所述通风口所在的平面呈倾斜设置，以使得所述通风口和所述进风口分别位于所述净化件的两侧。
在一实施例中，所述净化件相与所述通风口所在平面之间的夹角a大于等于10度、且小于等于20度。
在一实施例中，所述安装架包括集流圈，所述集流圈的一端盖设有所述净化件，另一端对接于所述通风口，所述集流圈的内壁自所述净化件向所述通风口呈渐缩设置。
在一实施例中，所述新风模块还包括阀门组件，所述阀门组件包括驱动部和风门，所述风门可开合地安设于所述进风口，所述驱动部用以驱动所述风门打开或者关闭所述进风口。
在一实施例中，所述通风口的周缘构造有导风圈，所述导风圈自所述进风风腔向所述离心风腔呈渐缩设置。
在一实施例中，所述离心风轮的直径大于等于100mm，且小于等于150mm。
在一实施例中，所述新风模块在所述离心风轮轴向上的最大尺寸大于等于90mm，且小于等于110mm。
本申请还提出一种空调器，包括：
外壳；以及，
如上所述的新风模块，所述新风模块设于所述外壳内。
在一实施例中，所述空调器为壁挂式空调室内机，所述新风模块设于所述外壳在长度方向上的一端，所述离心风轮的轴向沿所述外壳的长度方向延伸。
 有益效果
本申请的技术方案中，新风模块包括壳体、离心风轮和分隔件，壳体设置有进风口和出风口、以及连通进风口和出风口设置的新风风道，分隔件将新风风道分隔为靠近进风口的进风风腔、以及设有离心风轮的离心风腔，分隔件上开设有通风口，通风口连通进风风腔和离心风腔，且对应离心风轮的进风端设置，进风风腔和离心风腔在离心风轮轴向上的宽度尺寸之比大于等于0.7、且小于等于1.3。在该尺寸范围内，进风风腔处的进风风量和离心风轮的送风风量匹配，既不会因为进风风腔尺寸偏小、风阻过大导致离心风轮的送风能力无法充分发挥，又不因为进风风腔尺寸偏大导致空间浪费。如此，通过新风风道内合理的结构尺寸设置，能够在有限的空间内较充分地发挥离心风轮的送风能力，使新风模块的新风量处于合理区间内，且新风模块整体结构紧凑、占用空间小。
 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简单地介绍，显而易见地，下面描述中的附图仅仅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示出的结构获得其他的附图。
图1为本申请提供的空调器一实施例的正视图；
图2为图1中空调器的正视图，其中外壳被移除；
图3为图2中空调器的立体结构示意图；
图4为图2中新风模块的正视图；
图5为图4中沿A-A线的剖视图；
图6为图4中新风模块的侧视图；
图7为图4中沿B-B线的剖视图；
图8为图4中新风模块的立体结构分解示意图；
图9为本申请提供的新风模块一实施例中，新风量随进风风腔与离心风腔在离心风轮轴向上的宽度尺寸之比S1/S2而变化的趋势图表。
附图标号说明：
标号 名称 标号 名称
100 空调器 30 分隔件
101 外壳 31 通风口
200 新风模块 32 导风圈
10 壳体 40 净化件
11 进风口 41 安装架
12 出风口 42 集流圈
20 新风风道 50 风门
21 进风风腔 51 驱动部
22 离心风腔 60 导风圈
本申请目的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
 本发明的实施方式
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，所描述的实施例仅仅是本申请的一部分实施例，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。
需要说明，若本申请实施例中有涉及方向性指示（诸如上、下、左、右、前、后……），则该方向性指示仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，若本申请实施例中有涉及“第一”、“第二”等的描述，则该“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其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至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本申请要求的保护范围之内。
请参阅图1至图8，本申请提供一种新风模块200及包括有新风模块200的壁挂式空调室内机及空调器100。
空调器100可以是空调室内机或空调室外机，还可以是包括空调室内机和空调室外机的空调器整机。优选，新风模块200设于空调室内机内，直接向室内输送新风，避免在空调室外机与室内之间设置新风传输通道，导致新风传输通道过长，而风阻大且不易维护。空调室内机可以是壁挂式空调室内机、或柜式空调室内机、或空气机、或吊顶式空调室内机、或移动式空调器100中任意一者。在后文的实施例中，主要以空调器100为壁挂式空调室内机为例进行介绍，其他类型可以参照实施。
请参阅图1中图3，空调器100为壁挂式空调室内机，新风模块200设于外壳101在长度方向上的一端。如此，充分利用壁挂式空调室内机外壳101本身的形状结构，在尽量不影响其原有结构的情况下添加新风模块200，生产成本低、空调室内机外形美观。
请参阅图4至图8，新风模块200包括壳体10、离心风轮70和分隔件30，壳体10设置有进风口11和出风口12、以及连通进风口11和出风口12设置的新风风道，离心风轮70和分隔件30设于新风风道内，分隔件30将新风风道分隔为靠近进风口11的进风风腔21、以及设有离心风轮70的离心风腔22，分隔件30上开设有通风口31，通风口31连通进风风腔21和离心风腔22，且对应离心风轮70的进风端设置，进风风腔21和离心风腔22在离心风轮70轴向上的宽度尺寸之比S1/S2大于等于0.7、且小于等于1.3。
在本实施例中，新风进口用以连通室外，以将室外的空气引入进风风腔21，离心风轮70驱动空气流动，使得气流经由进风风腔21，进而从通风口31流向离心风腔22内的离心风轮70，并从出风口12流出，送向室内。如此，通过新风模块200的设置向室内环境的补充新风，提高室内环境的空气质量。
请参阅图2和图7，在本实施例中，离心风轮70的轴向沿壁挂式空调室内机的长度方向延伸，即进风风腔21和离心风腔22沿沿壁挂式空调室内机的长度方向依次布设，如此，壁挂式空调室内机外壳101的横截面与离心风轮70的尺寸相适配，外壳101能够提供足够的空间安设离心风轮70，而新风模块200整体在壁挂式空调室内机的长度方向上的厚度较小，使得新风模块200的整体形状呈扁形，且与壁挂式空调室内机的外壳101形状适配。如此，设有新风模块200的壁挂式空调室内机相比传统的空调室内机只是长度增加一些，两者外形差异不大，较为美观。
离心风轮70为轴向进风且径向出风，在一实施例中，出风口12连通离心风腔22，且位于离心风轮70的一侧。在本实施例中，请参阅图7和图8，分隔件30将新风风道分隔为进风风腔21和离心风腔22，分隔件30具体地可以与壳体10可拆卸的连接，也可以与壳体10一体成型。分隔件30的具体形状最好是板状，也可以是其他形式，只要能够形成与离心风轮70相对的通风口31即可。通风口31连通进风风腔21和离心风腔22，用以将进风口11流入的气流通过进风风腔21通过通风口31导入离心风腔22。通风口31的形状和大小被设置为与离心风轮70的进风端相适配，以向离心风轮70提供轴向上的进风。最好，通风口31的面积与离心风轮70的进风端基本一致或略小于离心风轮70进风端的面积。可以理解，进风腔在离心风轮70轴向上的截面面积大于通风口31的面积。离心风腔22的整体形状和尺寸应当与离心风轮70相适配，最好离心风腔22呈蜗壳状，使得离心风腔22内的气流能够在离心风轮70的作用下能够被顺利送出出风口12。
进风风腔21和离心风腔22在离心风轮70轴向上的宽度尺寸应当适配，否则，当进风风腔21相对于离心风腔22的尺寸偏小时，进风风腔21内壁之间的间距过近，导致进风风腔21内的风阻偏大，气流从进风口11流向通风口31的过程中的压损过大，导致离心风轮70进风端处的风压不足，离心风轮70的送风能力无法充分发挥，致使新风模块200的新风量偏小。而当进风腔相对于离心风腔22的尺寸偏大时，又将导致新风风道整体尺寸偏大，并且进一步增大新风风腔尺寸，在不增加离心风轮70尺寸的情形下，对新风量的提升效果有限，还致使新风模块200整体结构不够紧凑，造成不必要的空间浪费。
在本实施例中，进风风腔21和离心风腔22在离心风轮70轴向上的宽度尺寸之比S1/S2大于等于0.7、且小于等于1.3。在该尺寸范围内，进风风腔21处的进风风量和离心风轮70的送风风量匹配，既不会因为进风风腔21尺寸偏小、风阻过大导致离心风轮70的送风能力无法充分发挥，又不因为进风风腔21尺寸偏大导致空间浪费。如此，通过新风风道内合理的结构尺寸设置，能够在有限的空间内较充分地发挥离心风轮70的送风能力，使新风模块200的新风量处于合理区间内，且新风模块200整体结构紧凑、占用空间小。
需要说明的是，请参阅图7，在本实施例中，进风风腔21和离心风腔22在离心风轮70轴向上的宽度尺寸指腔体内在离心风轮70轴向上两内壁之间的净尺寸，当该净尺寸在风腔范围内存在不一致的情况时，该净尺寸指风腔范围内各处净尺寸的平均值。
图9示出了在一实施例中，新风风风量随进风风腔21和离心风腔22在离心风轮70轴向上的宽度尺寸之比S1/S2变化的趋势示意图。请参阅图9，在一实施例中，进风风腔21和离心风腔22在离心风轮70轴向上的宽度尺寸之比S1/S2大于等于0.7、且小于等于1.3的范围内时，新风量对应在20-26 m³/h之间。从图中还可看出，在进风风腔21小于离心风腔22在离心风轮70轴向上的宽度尺寸时，两者越接近，通风效果越好。而在进风风腔21大于离心风腔22在离心风轮70轴向上的宽度尺寸时，继续增大进风风腔21尺寸则对新风风量的提升效果不明显。为此，优选新风风风量随进风风腔21和离心风腔22在离心风轮70轴向上的宽度尺寸之比S1/S2大于等于0.9、且小于等于1.3，在该范围内，新风量对应在23-26 m³/h之间。最好新风风风量随进风风腔21和离心风腔22在离心风轮70轴向上的宽度尺寸之比S1/S2大于等于1.0、且小于等于1.2。在此范围内，新风模块200的新风量在25 m³/h以上，能够达到更好的通风效果。
在一实施例中，请参阅图7和图8，新风模块200还包括净化组件，净化组件设于新风风道，且与离心风轮70的进风端呈对应设置。当所述当新风模块200工作时，离心风轮70开启，离心风轮70驱动新风空气从进风口11进入新风风道内，这部分新风空气流向离心风轮70的进风端，被位于该离心风轮70的进风端处的净化组件净化成较为洁净的新风空气，而后该洁净的新风空气自离心风轮70的进风端进入到其内部，并被离心风轮70沿其径向甩出至出风口12，最后从出风口12向外吹出。
显然，离心风轮70为轴向进风且径向出风，相对于进风口11处及其附近较为狭窄的进风面而言，在离心风轮70的进风端形成有更大的进风面，从而在此形成的进风空间也较大。因此，将净化组件设置为与离心风轮70的进风端对应，可相应地将净化组件的供空气通过以实现净化的净化面设计得较大，进而提高增大净化组件的空气净化效率。此外，由于净化组件相应设计得较大，从而净化组件可净化的空气量相应增大，进而还可延长净化组件的寿命，延长更换净化组件的周期。
至于净化组件的结构，可以有多种设计方案，在此没有局限。例如但不局限于：净化组件可适用于去除空气中的粉尘、细颗粒物、微生物、有机挥发性气体如甲醛等等空气污染物中任意一种或多种。净化件40的具体类型可依据其功能进行选取，例如净化件40可以是普通过滤网或HEPA网或除甲醛器或IFD过滤器中任意一种或两种组合，还可以是初效过滤网、中效过滤网、高效过滤网中任意一种或多种组合。
进风口11的开设位置可以根据需要进行设置。在一实施例中，请参阅图7，进风口11设于进风风腔21远离通风口31的一端，减少通风口31处沿离心风轮70轴向向离心风轮70进风端流动的气流受到进风气流的扰动。进一步地，净化组件设于进风风腔21内，进风口11的设置使得气流充分流经进风风腔21内的净化组件，经过净化后向离心风轮70输送。具体而言，新风模块200的壳体10可在其底部开设有进风口11，壳体10可在其顶部或前侧部或左侧部或右侧部开设出风口12，在实际应用中，可以结合新风模块200所应用的空调器100具体类型进行相应设计。具体在此，请参阅图2和图3，结合壁挂式空调室内机的结构，壳体10可在其底部开设有进风口11，在其前侧部开设出风口12，进风口11和出风口12分别位于离心风轮70的不同径向方向上，进风方向和出风方向形成有夹角a，使得新风气流能够充分地净化并通过离心风轮70被抽送至出风口12，向室内吹出。
在一实施例中，净化组件包括安装架41及设于安装架41上的净化件40，净化件40通过安装架41安装于分隔件30，净化件40呈扁平状，可以是普通过滤网或HEPA网等，且净化件40的通风面积大于通风口31的通风面积。在本实施例中，净化组件设置在通风口31的进风侧，净化件40的通风面积大于通风口31的通风面积，以完全覆盖通风口31，使得净化组件获得更大的净化面，可以捕捉更多的空气污染物，提高净化组件的净化效率。
进一步地，请参阅图7和图8，净化件40相对于通风口31所在的平面呈倾斜设置，以使得通风口31和进风口11分别位于净化件40的两侧。在本实施例中，利用进风风腔21的空间，将净化间倾斜设置，进一步地增大净化间的通风面积，提升净化效果。具体地，考虑到进风风腔21的尺寸大小，以及对净化件40通风面积的提升效果，净化件40相与通风口31所在平面之间的夹角a大于等于10度、且小于等于20度。能够充分利用进风风腔21内的空间，并有效增加净化件40的通风面积，提升净化效果。
在上一实施例的基础上，请参阅图7和图8，安装架41包括集流圈42，集流圈42的一端盖设有净化件40，另一端对接于通风口31，集流圈42的内壁自净化件40向通风口31呈渐缩设置。在本实施例中，流经净化件40的空气收到净化件40的影响流速较慢。为此，设置集流圈42对流经净化件40的空气起到集流作用，引导气流经由通风口31流向离心风轮70。
在一实施例中，请参阅图7，新风模块200还包括阀门组件，阀门组件包括驱动部51和风门50，风门50可开合地安设于进风口11，驱动部51用以驱动风门50打开或者关闭进风口11。如此，可以在新风模块200工作时打开阀门，而在新风模块200停止时关闭阀门，避免气流倒灌进入新风模块200。例如，在冬季时期，室外环境温度较低，此时可以通过风门50关闭进风口11，以避免室外冷空气进入冻坏新风模块200，或者经新风模块200进入室内环境。
进一步地，为方便气流经通风口31进入到离心风轮70中，请参阅图8，通风口31的周缘构造有导风圈32，导风圈32自进风风腔21向离心风腔22呈渐缩设置。以减小气流从该通风口31通过的阻力，并提升通风口31出风侧的风压，有助于引导气流流经通风口31进入到离心风轮70中。
进一步地，考虑到新风模块200的新风量的需求，以及空调器100壳体10内的空间尺寸，离心风轮70的直径大于等于100mm，且小于等于150mm。使得离心风轮70的大小能够满足风量需求，并占用较小的空间，使得新风模块200结构紧凑，并适应壁挂式空调室内机的需要。
在一实施例中，新风模块200在所述离心风轮70轴向上的最大尺寸大于等于90mm，且小于等于110mm。如此，新风模块200整体具有较小的厚度，能够适配空调器100外壳101内狭小空间的需求，被安装于空调器100的外壳101中。
请参阅图1至图3，本申请还提供一种空调器100，该空调器100包括外壳101及安装于外壳101内的新风模块200。新风模块200的具体结构参照上述实施例，由于本空调器100采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。空调器100为壁挂式空调室内机、或柜式空调室内机、或空气机、或吊顶式空调室内机、或移动式空调器100中任意一者。优选，空调器100为壁挂式空调室内机。
以上所述仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是在本申请的发明构思下，利用本申请说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本申请的专利保护范围内。

Claims (15)

  1. 一种新风模块，其中，包括：
    壳体，所述壳体设置有进风口和出风口、以及连通所述进风口和所述出风口设置的新风风道；
    离心风轮，设于所述新风风道内；以及，
    分隔件，设于所述新风风道内，以将所述新风风道分隔为靠近所述进风口的进风风腔、以及设有所述离心风轮的离心风腔，所述分隔件上开设有通风口，所述通风口连通所述进风风腔和所述离心风腔，且对应所述离心风轮的进风端设置；
    其中，所述进风风腔和所述离心风腔在所述离心风轮轴向上的宽度尺寸之比S1/S2大于等于0.7、且小于等于1.3。
  2. 如权利要求1所述的新风模块，其中，所述进风风腔和所述离心风腔在所述离心风轮轴向上的宽度尺寸之比S1/S2大于等于0.9、且小于等于1.3。
  3. 如权利要求2所述的新风模块，其中，所述进风风腔和所述离心风腔在所述离心风轮轴向上的宽度尺寸之比S1/S2大于等于1.0、且小于等于1.2。
  4. 如权利要求1所述的新风模块，其中，所述新风模块还包括净化组件，所述净化组件设于所述新风风道，且与所述离心风轮的进风端呈对应设置。
  5. 如权利要求4所述的新风模块，其中，所述进风口设于所述进风风腔远离所述离心风轮的一端，所述净化组件设于所述进风风腔内。
  6. 如权利要求4所述的新风模块，其中，所述净化组件包括安装架及设于所述安装架上的净化件，所述净化件呈扁平状，且通过所述安装架安装于所述分隔件，且所述净化件的通风面积大于所述通风口的通风面积。
  7. 如权利要求6所述的新风模块，其中，所述净化件相对于所述通风口所在的平面呈倾斜设置，以使得所述通风口和所述进风口分别位于所述净化件的两侧。
  8. 如权利要求7所述的新风模块，其中，所述净化件相与所述通风口所在平面之间的夹角a大于等于10度、且小于等于20度。
  9. 如权利要求6至8中任意一项所述的新风模块，其中，所述安装架包括集流圈，所述集流圈的一端盖设有所述净化件，另一端对接于所述通风口，所述集流圈的内壁自所述净化件向所述通风口呈渐缩设置。
  10. 如权利要求1至3中任意一项所述的新风模块，其中，所述新风模块还包括阀门组件，所述阀门组件包括驱动部和风门，所述风门可开合地安设于所述进风口，所述驱动部用以驱动所述风门打开或者关闭所述进风口。
  11. 如权利要求1至3中任意一项所述的新风模块，其中，所述通风口的周缘构造有导风圈，所述导风圈自所述进风风腔向所述离心风腔呈渐缩设置。
  12. 如权利要求1至3中任意一项所述的新风模块，其中，所述离心风轮的直径大于等于100mm，且小于等于150mm。
  13. 如权利要求12所述的新风模块，其中，所述新风模块在所述离心风轮轴向上的最大尺寸大于等于90mm，且小于等于110mm。
  14. 一种空调器，其中，包括：
    外壳；以及，
    如权利要求1至13中任意一项所述的新风模块，所述新风模块设于所述外壳内。
  15. 如权利要求14所述的空调器，其中，所述空调器为壁挂式空调室内机，所述新风模块设于所述外壳在长度方向上的一端，所述离心风轮的轴向沿所述外壳的长度方向延伸。
PCT/CN2021/107198 2020-07-20 2021-07-19 新风模块及空调器 WO2022017335A1 (zh)

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