WO2019062626A1 - Unité intérieure de climatiseur montée sur un mur - Google Patents

Unité intérieure de climatiseur montée sur un mur Download PDF

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Publication number
WO2019062626A1
WO2019062626A1 PCT/CN2018/106568 CN2018106568W WO2019062626A1 WO 2019062626 A1 WO2019062626 A1 WO 2019062626A1 CN 2018106568 W CN2018106568 W CN 2018106568W WO 2019062626 A1 WO2019062626 A1 WO 2019062626A1
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WO
WIPO (PCT)
Prior art keywords
air
wall
jet
air supply
centrifugal fan
Prior art date
Application number
PCT/CN2018/106568
Other languages
English (en)
Chinese (zh)
Inventor
李英舒
陈会敏
王永涛
Original Assignee
青岛海尔空调器有限总公司
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 filed Critical 青岛海尔空调器有限总公司
Publication of WO2019062626A1 publication Critical patent/WO2019062626A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using 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
    • F24F1/0011—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
    • 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
    • F24F1/0043—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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • 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
    • F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids

Definitions

  • the present invention relates to an air conditioner, and more particularly to a wall-mounted air conditioner indoor unit.
  • the air conditioner is one of the necessary household appliances. As the user's requirements for comfort and health are getting higher and higher, the air supply method of the traditional air conditioner is to send the cold air into the room, and slowly convect the air with the surrounding air. Slower, can not give people a feeling of rapid cooling, and the air blower of the indoor unit blows directly to the person, which will adversely affect the health of the user, and is prone to air conditioning disease.
  • an indoor unit that ejects the air outlet with a gentle air supply which uses a small air outlet to drive the surrounding air to be blown, so that the air after the heat exchange is mixed with the surrounding air, but the air outlet is sprayed.
  • the requirements for the structure are high, so that the jet outlets are mostly used in cabinet-type indoor units with more space.
  • the casing In order to meet the structural requirements of the jet vent, it is often necessary to set the casing to a circular shape or other irregular shape in order to meet the structural requirements of the jet vent, on the one hand, the user's usage habits and the existing type of the hanging indoor unit. Cognitive gaps are not easily accepted by users; on the other hand, it also causes troubles for the installation of hanging indoor units. Therefore, the hanging indoor unit that uses the air outlet can not meet the user's requirements.
  • One object of the present invention is to provide a wall-mounted air conditioner indoor unit with a gentle heat transfer speed.
  • a further object of the present invention is to make the indoor unit of the wall-mounted air conditioner compact and conform to the user's usage habits.
  • Another further object of the present invention is to make the air supply mode of the wall-mounted air conditioner indoor unit flexible and meet the adjustment requirements of different requirements.
  • the present invention provides a wall-mounted air conditioner indoor unit, which includes:
  • the casing comprises a casing and a front panel disposed in front of the casing, the air inlet is respectively opened on two sides of the casing, and the air outlet of the oblong is opened in a lower part of the front panel;
  • a jet assembly disposed in the air supply opening, comprising a first air ejecting portion and a second air ejecting portion arranged in a lateral direction, wherein the first air ejecting port and the second air ejecting port are respectively formed on inner circumferential walls of the first air ejecting portion and the second air ejecting portion,
  • the first air outlet is used for jetting the airflow in the first air-jet portion forward, and drives the ambient air in the first air-venting hole defined by the inner peripheral wall of the first air-jet portion to be forwarded
  • the second air-jet port is used to send the second air jet.
  • the airflow in the portion is sprayed forward, and the ambient air in the second air vent hole defined by the inner peripheral wall of the second air jet portion is forwarded, and the first air vent hole and the second air vent hole are respectively upstream and the surrounding environment in the air blowing direction.
  • the first air supply assembly and the second air supply assembly are laterally spaced apart from each other, wherein the first air supply assembly is configured to generate an air inlet to enter, and exchange heat with the heat exchanger for the first change to the first air jet portion
  • the second air supply assembly is configured to generate a second heat exchange airflow that enters the air inlet and supplies heat to the second air injection portion after heat exchange with the heat exchanger.
  • the wall-mounted air conditioner indoor unit further includes a partition disposed parallel to the front panel, the central portion of the partition being recessed rearward to define a heat exchanger for arranging the heat exchanger between the front panel and the front panel a cavity, and both sides of the partition form a rearward flange, the air inlet opening at a position opposite to the flange, such that the flange of the partition and the side wall of the casing define the air inlet to the heat exchanger The air inlet passage of the cavity.
  • a recessed portion of the partition is further formed with a first through hole and a second through hole which are laterally spaced apart.
  • the first air supply assembly includes: a first centrifugal fan, the impeller and the volute of the first centrifugal fan are disposed in a space defined by the partition and the casing, and the gas collecting port of the first centrifugal fan passes through the first through hole to Breathing air from the heat exchanger accommodating chamber to form a first heat exchange gas stream;
  • the second air supply assembly includes: a second centrifugal fan, the impeller and the volute of the first centrifugal fan are also disposed in the space defined by the partition and the casing, and the air collecting port of the second centrifugal fan passes through the second through hole,
  • the second heat exchange gas stream is formed by drawing air from the heat exchanger accommodating chamber.
  • the first air jet portion and the second air jet portion are respectively composed of an annular inner wall and an annular outer wall, and
  • the annular outer wall of the first air-jet portion and the annular inner wall together define a first air supply chamber, and an edge of the annular outer wall of the first air-jet portion that meets the annular inner wall forms a first air-jet opening, and the second air-jet portion of the first air-jet portion is away from the second air-jet portion.
  • the end of the side is opened with a first air inlet communicating with the first air supply assembly, thereby introducing the first heat exchange airflow into the first air supply chamber;
  • the annular outer wall of the second air-jet portion and the annular inner wall together define a second air supply chamber, and the edge of the annular outer wall of the second air-jet portion and the annular inner wall form a second air-jet opening, and the first air-jet portion of the second air-jet portion is away from the first air-jet portion
  • the side end is open with a second air inlet communicating with the second air supply assembly to introduce the second heat exchange airflow into the second air supply chamber.
  • a rear side edge of the annular inner wall of the first air injection portion is recessed toward the inside of the first air supply chamber, and an annular outer wall of the first air injection portion has an outward flange at a position opposite to a rear side edge of the annular inner wall.
  • a rear side edge of the annular inner wall of the second air injection portion is recessed toward the inside of the second air supply chamber, and a position of the annular outer wall of the second air injection portion opposite to the rear side edge of the annular inner wall has an outward flange, thereby making the second A gap between the annular outer wall of the air jet portion and the rear side edge of the annular inner wall forms a second air vent.
  • the annular inner wall of the first air-jet portion extends forwardly from the rear side edge thereof to form a first Coanda surface that continuously expands outward; and the annular outer wall of the first air-jet portion is located at a portion of the rear side of the air-jet assembly. a spiral shape, such that the airflow of the first air supply chamber is ejected from the first air outlet along the annular outer wall of the first air jet portion, and is sent forward along the first Coanda surface, and drives the environment in the first air vent hole Air; and
  • An annular inner wall of the second air-jet portion extends forwardly from a rear side edge thereof to form a second Coanda surface that continuously expands outward; and a portion of the annular outer wall of the second air-jet portion located at a rear side of the air-jet assembly has a spiral shape, thereby After the air flow of the second air supply chamber is ejected from the second air outlet along the annular outer wall of the second air ejecting portion, the air is sent forward along the second Coanda surface, and the ambient air in the second air vent is extracted.
  • the exhaust port of the volute of the first centrifugal fan faces the side wall of the housing on the side of the first air inlet
  • the first air supply assembly further includes: a first air guiding component, the first air guiding component Connecting between the exhaust port of the first centrifugal fan and the first air inlet to guide the airflow discharged by the first centrifugal fan into the first air supply chamber;
  • the exhaust port of the volute of the second centrifugal fan faces the side wall of the casing on the side of the second air inlet
  • the second air supply assembly includes: a second air guiding member, and the second air guiding member is connected to the second centrifugal fan Between the exhaust port and the second air inlet, the airflow discharged by the second centrifugal fan is guided into the second air supply chamber.
  • the first air guiding component comprises: a first drainage section having an air inlet of the first air guiding component, is connected to the exhaust port of the volute of the first centrifugal fan, and at least the first drainage section The portion of the segment is spirally shaped to guide the direction of the airflow discharged by the first centrifugal fan downward; the first air supply section is connected to the first drainage section, and the interior thereof defines a first air collection chamber for receiving the first centrifugal fan to discharge The first air supply section has a first exhaust port connected to the first air inlet to supply the airflow of the first air collection chamber to the first air supply chamber;
  • the second air guiding component includes: a second drainage section having an air inlet of the second air guiding component, is in contact with the exhaust port of the volute of the second centrifugal fan, and at least a portion of the second drainage section is spirally formed a direction of the airflow discharged by the second centrifugal fan is directed downward; a second air supply section is connected to the second drainage section, and a second air collection chamber is defined therein to receive the airflow discharged by the second centrifugal fan.
  • the second air supply section is provided with a second exhaust port connected to the second air inlet to supply the airflow of the second air collection chamber to the second air supply chamber.
  • the first drainage section is tapered from the air inlet of the first air guiding component in the airflow direction, and the first air supply section forms a volute shape along the air outlet direction of the first drainage section, thereby reducing the first heat exchange airflow. Wind resistance in the first collecting chamber;
  • the second drainage section is tapered from the air inlet of the second air guiding component in the airflow direction, and the second air supply section forms a volute shape along the air outlet direction of the second drainage section, reducing the second heat exchange airflow in the second gas gathering Wind resistance inside the cavity.
  • the cover and the lower portion of the front panel form a front and rear air supply opening
  • the rear side of the cover forms a position of the air supply opening, so that the air circulation area is behind the air supply opening.
  • the wall-mounted air conditioner indoor unit of the present invention is provided with an oblong air supply opening below the casing for arranging an annular jet assembly, and the jet assembly includes two independently disposed first and second jet portions, respectively
  • the first air supply assembly and the second air supply assembly supply airflow exchanged by the heat exchanger, so that the heat exchanged airflow is ejected from the air outlets of the first air jet portion and the second air jet portion, and the ambient air around the air supply port is sucked It mixes with the heat exchange airflow with severe temperature difference in the surrounding environment, so as to ensure that the airflow sent out is soft, and the feeling of blowing to the human body is more comfortable.
  • the air supply volume is increased, the flow of indoor air is accelerated, and the indoor temperature can be made uniform.
  • the air outlet of the indoor unit of the wall-mounted air conditioner of the present invention is in the shape of a long round raceway, and is disposed under the casing.
  • the overall structure is similar to the existing conventional hanging indoor unit, and is easily accepted by the user, and is easily replaced. Some traditional hanging indoor units have flexible installation positions.
  • the air inlets are respectively opened on both sides of the cover, and the outside air enters the heat exchanger accommodating chamber where the heat exchanger is located from both sides, thereby ensuring the smooth flow of the heat exchange airflow, further
  • the structure of the indoor unit is made more compact, and the air before and after the heat exchange is separated by the partition plate, and the overall appearance of the casing is beautiful.
  • the direction of the incoming air is two sides, and the direction of the air supply is forward, so that the indoor airflow is formed into a cycle, and the heat exchange efficiency is higher.
  • two air supply components respectively supply the airflow after heat exchange to the two air jet portions of the air jet assembly, and finally are ejected from the air jet port, and the two air supply components cooperate with each other.
  • the air supply can be independently controlled according to the working conditions, for example, the air is supplied according to the same air volume at the same time; the air is separately supplied according to different air volumes; the air supply is selected according to the different air volume, so that the indoor air outlet meets the requirements of these different working conditions, and the control is further controlled. Flexible to meet the different requirements of users.
  • the indoor unit of the wall-mounted air conditioner of the present invention has a compact internal structure and makes full use of the space inside the casing, so that the indoor unit of the wall-mounted air conditioner can be made thinner.
  • the indoor unit of the wall-mounted air conditioner of the present invention improves the position and structure of components such as a heat exchanger, a centrifugal fan, a wind guiding member, etc., on the one hand, reduces the occupied space, and on the other hand, can also reduce The air supply wind resistance.
  • FIG. 1 is a schematic external view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
  • FIG. 2 is a schematic exploded view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
  • FIG. 3 is a schematic view of a jet assembly in a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
  • Figure 4 is a front elevational view of the first air jet portion of the air jet assembly shown in Figure 3;
  • Figure 5 is a schematic cross-sectional flow diagram of the air flow taken along line A-A of Figure 4.
  • Figure 6 is a schematic view of internal components of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention.
  • Fig. 7 is a structural schematic view showing the air supply to the air jet assembly by the first air blowing unit and the second air blowing unit in the indoor unit of the wall-mounted air conditioner according to an embodiment of the present invention.
  • the embodiment provides a wall-mounted air conditioner indoor unit 100.
  • the “upper”, “lower”, “front”, “rear”, “top” and “bottom” directions mentioned in the specification are in accordance with the wall-mounted air conditioner.
  • the spatial positional relationship in the normal operation state of the indoor unit 100 is limited.
  • the side facing the user of the wall-mounted air conditioner indoor unit 100 is the front side, and the side abutting against the mounting position is the rear side.
  • FIG. 1 is a schematic external view of a wall-mounted air conditioner indoor unit 100 according to an embodiment of the present invention
  • FIG. 2 is a schematic exploded view of a wall-mounted air conditioner indoor unit 100 according to an embodiment of the present invention.
  • the wall-mounted air conditioner indoor unit 100 generally includes a housing 110, a jet assembly 120, a heat exchanger 140, a first air supply assembly 130, and a second air supply assembly 150.
  • the housing 110 may include a cover 112 and a front panel 114 disposed in front of the cover 112.
  • the casing 112 is formed by a top wall, a side wall, and a back, which collectively define a space for accommodating internal components, and the front panel 114 is disposed in front of the casing 112 to close the internal space of the casing 112.
  • An air inlet 116 and an air supply opening 117 are defined in the housing 110.
  • the air supply port 117 is disposed in an oblong shape at a lower portion of the casing 110 and communicates with the surrounding environment upstream of the air blowing direction.
  • the air inlets 116 are respectively formed on the side walls of the cover 112, and the external ambient air can enter the interior of the indoor unit 100 from both sides, so that the heat exchanger 144 can be smoothly entered into the heat exchanger 194 of the heat exchanger 140 to ensure heat exchange.
  • the heat exchange airflow is unobstructed, and the air inlet 116 can be formed by a grid, a mesh, or the like.
  • the arrangement of the air inlet 116 can ensure the integrity of the appearance and improve the aesthetics of the body.
  • the air inlet is generally disposed at the top, and the dust easily falls into the indoor unit in the idle state.
  • the indoor unit 100 of the present embodiment enters the air from both sides, and the air inlet area is large and reduced. Dust falls in.
  • the air intake direction of the indoor unit 100 of the present embodiment is two sides, and the air supply direction is forward, so that the indoor airflow is formed to circulate, and the sent airflow is prevented from rapidly entering the indoor unit 100 again, and the heat exchange efficiency is higher.
  • the air supply opening 117 can be disposed through the lower portion of the housing 110 (the housing 112 and the front panel 114 are respectively provided with elongated circular through holes, thereby forming the front and rear through air outlets 117).
  • the rear side of the casing 112 forms a position where the air blowing port 117 is recessed forward so that there is an air flow area 118 behind the air blowing port 117, so that the inside of the air blowing port 117 communicates with the air flow area 118 for the jet assembly 120 to eject.
  • the heat exchange gas can be sucked from the air circulation area 118 to mix the ambient air, and the temperature difference between the mixed air flow and the surrounding environment is small, softer, and the air supply amount is larger, thereby accelerating the flow of the indoor air.
  • the air jet assembly 120 may also be disposed at a front position of the lower portion of the housing 110.
  • the housing 110 is open at the rear of the air jet assembly 120, that is, upstream of the air supply direction, with a hollow area communicating with the surrounding environment for the jet.
  • the heat exchange gas ejected from the assembly 120 can be extracted by pumping ambient air through the hollowed out area.
  • the heat exchanger 140 disposed inside the housing 110, can generally be disposed adjacent to the front panel, that is, at the front of the interior space of the housing 110.
  • the heat exchanger 140 exchanges heat with the air flowing therethrough to change the temperature of the air flowing therethrough.
  • the heat exchanger 140 is part of a refrigeration system, and the refrigeration system can be realized by a compression refrigeration cycle that utilizes a refrigerant in a compression phase change cycle of a compressor, a condenser, an evaporator, and a throttling device to achieve heat transfer.
  • the refrigeration system can also be provided with a four-way valve to change the flow direction of the refrigerant, so that the indoor unit heat exchanger 140 alternately functions as an evaporator or a condenser to realize a cooling or heating function. Since the compression refrigeration cycle in the air conditioner is well known to those skilled in the art, the working principle and configuration thereof will not be described herein.
  • the heat exchanger 140 can be placed against the front panel 114 of the housing 110.
  • the air jet assembly 120 is disposed in the air blowing port 117.
  • the air jet assembly 120 has two first air ejecting portions 128 and a second air ejecting portion 129 arranged in a lateral direction.
  • the first air ejecting portion 128 and the second air evaporating portion 129 are all oblong (or The racetrack shape may be symmetrically disposed with respect to the center of the air jet assembly 120.
  • the first air injection portion 128 has a first air bleed hole 1282 at the center
  • the second air blast portion 129 has a second air bleed hole 1292 at the center.
  • the first ventilation hole 1282 and the second ventilation hole 1292 communicate with the surrounding environment upstream of the air blowing direction, respectively.
  • a first air outlet 124 and a second air outlet are formed on the inner peripheral walls of the first air injection portion 128 and the second air injection portion 129, respectively, and the first air injection port 124 is used to be inside the first air injection portion 128.
  • the airflow is ejected forward, and the ambient air in the first air venting opening 1282 defined by the inner peripheral wall of the first air ejecting portion 128 is forwardly sent out, and the second air venting port is used to eject the airflow in the second air ejecting portion 129 forward. And driving the ambient air in the second ventilation hole 1292 defined by the inner peripheral wall of the second air injection portion 129 to be forwarded.
  • the first air injection portion 128 and the second air injection portion 129 may be respectively formed by respective annular inner walls and annular outer walls, and the annular outer wall of the first air injection portion 128 and the annular inner wall together define a first air supply chamber 125, the first air injection portion 128
  • the edge of the annular outer wall that meets the annular inner wall forms a first air outlet 124, and the end of the first air injection portion 128 away from the second air injection portion 129 has a first air inlet that communicates with the first air supply assembly 130. 1281, thereby introducing the first heat exchange gas stream into the first air supply chamber 125.
  • the second air ejecting portion 129 is identical in structure to the first air ejecting portion 128 and is symmetrically disposed, so that the annular outer wall of the second air ejecting portion 129 and the annular inner wall together define a second air supply chamber (not labeled), the second air ejecting portion An edge of the annular outer wall of the 129 that is in contact with the annular inner wall forms a second air vent (not shown), and an end of the second air blast 129 away from the side of the first air blast 128 is open to communicate with the second air supply unit 150.
  • the second air inlet 1291 introduces the second heat exchange airflow into the second air supply chamber.
  • the second air injection portion 129 is identical to the structure of the first air injection portion 128, the structure of the first air injection portion 128 will be described below with reference to the drawings.
  • the size and specifications of the first air injection portion 128 and its internal components can be set according to the air blowing capability of the first air blowing unit 130.
  • 3 is a schematic view of a jet assembly 120 in a wall-mounted air conditioner indoor unit 100 according to an embodiment of the present invention
  • FIG. 4 is a front view of the first air jet portion 128 in the air jet assembly 120 shown in FIG. 3, and
  • the first air injection portion 128 includes an annular inner wall 121 and an annular outer wall 122.
  • the annular inner wall 121 and the annular outer wall 122 together form the oblong shape, and the inner side of the annular inner wall 121 is the first ventilation hole 1282.
  • the edge of the annular outer wall 122 that meets the annular inner wall 121 forms a first air outlet 124, and the first air outlet 124 is used to spray the airflow of the first air supply chamber 125 forward, and the air is sucked at the rear of the air supply port 117. Pass through the air supply port 117.
  • the rear side edge 126 of the annular inner wall 121 is recessed toward the interior of the first air supply chamber 125, and the position of the annular outer wall 122 opposite the rear side edge 126 of the annular inner wall 121 has an outward flange 127 such that the annular outer wall 122 and the annular shape
  • the gap between the rear side edges 126 of the inner wall 121 forms a first air blast opening 124.
  • the rear side edge 126 of the annular inner wall 121 recessed toward the inside of the first air supply chamber 125 may also have a function of guiding the airflow direction so that the airflow in the first air supply chamber 125 is smoothly sent out from the first air outlet 124.
  • the annular inner wall 121 extends forwardly from its rear side edge 126 to form a Coanda surface that continuously expands outward; and the portion of the annular outer wall 122 that is located on the rear side of the jet assembly 120 is helical, such that the first supply chamber 125 After the airflow is ejected from the first air outlet 124 along the annular outer wall 122, the first Coanda surface formed along the annular inner wall 121 is forwardly sent to drive the ambient air behind the air outlet 117.
  • the annular inner wall 121 extends forwardly and continuously expands outwardly and has an extended inclination angle of 5 to 15 degrees.
  • the angle can be set between 6 and 10 degrees, which is more advantageous for mixing with ambient air in the first extraction aperture 1282.
  • the annular inner wall 121 and the annular outer wall 122 together define an annular first air supply chamber 125 inside the first air injection portion 128, and a lateral end of the annular outer wall 122 (one end away from the second air injection portion 128) is provided for supplying the first air supply
  • the chamber 125 provides a first inlet 1281 for the flow of gas after heat exchange by the heat exchanger 140.
  • the first air injection portion 128 may be generally circular in shape, and the annular inner wall 121 and the annular outer wall 122 respectively have two spaced horizontal sections and two arcuate sections connecting the two horizontal sections.
  • a first air inlet 1281 of the first air ejecting portion 128 is defined in the annular outer wall 122 of the two sections of the arcuate section away from the second air ejecting portion 128 for receiving the heat exchange provided by the first air blowing component 130. After the airflow.
  • the aforementioned sections of the annular inner wall 121 and the annular outer wall 122 may be formed by splicing a plurality of joined components.
  • the annular inner wall 121 and the annular outer wall 122 may also be formed from a unitary molded piece.
  • the first air vent 124 may be a continuous annular groove. In some alternative embodiments, the first vent 124 may also be formed on a portion of the annular inner wall 121 and the annular outer wall 122, or in multiple sections. For example, the first air outlet 124 may be disposed only on the horizontal section to make the air jet more uniform and effectively illuminate the ambient air in the first ventilation aperture 1282. In order to increase the jet velocity of the first air outlet 124, the width of the first air outlet 124 may be set to 1 to 3 mm. After a large number of tests, the width of the first air outlet 124 may preferably be set to about 2 mm, the first of which is the width.
  • the air outlet 124 not only ensures the injection speed of the heat exchange airflow, but also minimizes the windage loss of the heat exchange airflow and reduces the noise.
  • the solid arrow indicates the direction of the airflow of the ambient air
  • the dotted arrow indicates the direction of the airflow of the heat exchange gas jetted from the air outlet 124.
  • the second air injection portion 129 has the same structure as the first air injection portion 128, the rear side edge of the annular inner wall of the second air injection portion 129 is recessed toward the inside of the second air supply chamber, and the annular outer wall and the annular inner wall of the second air injection portion 129 The opposite side edges of the rear side edges have outward flanges such that a gap between the annular outer wall of the second gas jet portion 129 and the rear side edge of the annular inner wall forms a second air vent.
  • the annular inner wall of the second air injection portion 129 extends forward from its rear side edge to form a second Coanda surface that continuously expands outward; and the cross section of the annular outer wall of the second air injection portion 129 on the rear side of the air injection module 120 is spiraled So that the airflow of the second air supply chamber is ejected from the second air outlet along the annular outer wall of the second air ejecting portion 129, and is sent forward along the second Coanda surface, and is driven out of the second exhaust hole 1292. Ambient air.
  • the lateral end of the annular outer wall of the second air injection portion 129 (the end remote from the first air injection portion 128) is provided with a second air inlet 1291 for supplying a heat flow after heat exchange to the heat exchanger 140 to the second air supply chamber.
  • the first air supply assembly 130 and the second air supply assembly 150 are laterally spaced apart from each other inside the housing 110, and preferably may be disposed behind the heat exchanger 140, that is, the first air supply assembly 130 and the second air supply assembly At the rear of the inner space of the housing 110, wherein the first air supply assembly 130 is configured to enter from the air inlet 116 of one side, and exchange heat with the heat exchanger 140 to supply the first air jet portion through the first air inlet 1281.
  • a first heat exchange airflow of the first air supply chamber 125 of the second air supply unit; the second air supply unit 150 is configured to enter from the air inlet 116 of the other side, and exchange heat with the heat exchanger 140 for supply through the second air inlet 1291.
  • the first air supply assembly 130 and the second air supply assembly 150 are symmetrically disposed at the center of the heat exchanger 140, and the first air supply assembly 130 and the second air supply assembly 150 respectively reach the first air inlet 1281 on both sides of the air injection assembly 120. Air is supplied to the second air inlet 1291.
  • the first air supply assembly 130 may include a first centrifugal fan 131 and a first air guiding member 136.
  • the first centrifugal fan 131 serves as a power source for the first heat exchange airflow, and may be configured such that the ambient air enters from the air inlet 116 and exchanges heat with the heat exchanger 140, passes through the first centrifugal fan 131, and is discharged to the downstream of the airflow, and finally The outside of the indoor unit 100 is sent out by the jet assembly 120.
  • the first air guiding member 136 is connected between the exhaust port of the first centrifugal fan 131 and the first air inlet 1281, and is configured to guide the airflow discharged by the first centrifugal fan 131 into the first air supply chamber 125.
  • the second air blowing assembly 150 may include a second centrifugal fan 151 and a second air guiding member 156.
  • the second centrifugal fan 151 serves as a power source for the second heat exchange airflow, and may be configured such that the ambient air enters from the air inlet 116 and exchanges heat with the heat exchanger 140, passes through the second centrifugal fan 151, and is discharged downstream of the airflow, and finally The outside of the indoor unit 100 is sent out through the second air injection unit 129.
  • the second air guiding member 156 is connected between the exhaust port of the second centrifugal fan 151 and the second air inlet 1291, and is configured to guide the airflow discharged by the second centrifugal fan 151 into the second air supply chamber.
  • FIG. 6 is a schematic illustration of internal components of a wall-mounted air conditioner indoor unit 100 in accordance with one embodiment of the present invention.
  • the interior of the wall-mounted air conditioner indoor unit 100 includes a partition 143 for isolating the airflow before and after the heat exchange.
  • the center of the partition 143 is recessed rearward to define a heat exchanger accommodating cavity 144 for arranging the heat exchanger 140 with the front panel 114, and both sides of the partition 143 form a rearward flange 1433.
  • the air inlet 116 is opened at a position opposite to the flange 1433 such that the flange 1433 of the partition 143 and the side wall of the casing 112 define an air inlet passage from the air inlet 116 to the heat exchanger accommodating chamber 144.
  • the heat exchanger 140 is disposed within the heat exchanger receiving cavity 144.
  • the space defined by the flanges 1433 advances into the heat exchanger accommodating chamber 144 to exchange heat with the heat exchanger 140.
  • the air inlet 116 is only in communication with the heat exchanger receiving cavity 144, which may be formed by one or more through holes such that a portion of the outside air laterally enters the heat exchanger receiving cavity 144 from the side wall to exchange heat with the heat exchanger 140.
  • the area of the air inlet 116 is enlarged, and the heat exchange airflow is improved; on the other hand, the air is supplied to the heat exchanger accommodating chamber 144 from both sides, and the heat exchange balance of the heat exchanger 140 can be ensured.
  • a first through hole 145 and a second through hole 146 are provided in the center of the concave portion of the partition plate 143.
  • the first through hole 145 passes through the first air collecting port 132 of the first centrifugal fan 131, and the second through hole 146 is provided.
  • the second gas collection port 152 of the second centrifugal fan 151 passes through.
  • the impeller 133 and the volute 134 of the first centrifugal fan 131 are disposed in a space defined by the partition 143 and the casing 112, and the gas collection port 132 of the first centrifugal fan 131 passes through the first through hole 145 to pass from the heat exchanger.
  • the accommodating chamber 144 takes in air to form a first heat exchange airflow; the impeller 153 and the volute 154 of the second centrifugal fan 151 are disposed in a space defined by the partition 143 and the casing 112, and the gas collecting port 152 of the second centrifugal fan 151 is The second through hole 146 is passed out to take in air from the heat exchanger accommodating chamber 144 to form a first heat exchange gas stream.
  • the first centrifugal fan 131 and the second centrifugal fan 151 suck the air that exchanges heat with the heat exchanger 140 in the heat exchanger accommodating chamber 144, thereby forming a first heat exchange gas stream and a second heat exchange gas stream, respectively.
  • the exhaust port of the first volute 134 of the first centrifugal fan 131 faces the side wall of the housing 110; the intake port of the first air guiding member 136 is in contact with the exhaust port of the first volute 134.
  • the exhaust port of the second volute 154 of the second centrifugal fan 151 faces the other side wall of the housing 110; the air inlet of the second air guiding member 156 and the exhaust port of the second volute 154 Pick up.
  • FIG. 7 is a schematic view showing the structure in which the first air blowing unit 130 and the second air blowing unit 150 supply air to the air jet assembly 120 in the indoor unit 100 of the wall-mounted air conditioner according to an embodiment of the present invention.
  • the first air blowing assembly 130 includes a first centrifugal fan 131 and a first air guiding member 136.
  • the second air blowing assembly 150 includes a second centrifugal fan 151 and a second air guiding member 156.
  • the first air supply assembly 130 and the second air supply assembly 150 of the present embodiment each employ a centrifugal fan as a power source for the heat exchange airflow.
  • the first air guiding member 136 is connected between the exhaust port of the first centrifugal fan 131 and the first air inlet 1281 to guide the airflow discharged from the first centrifugal fan 131 into the first air supply chamber 125.
  • the second air guiding member 136 is connected between the exhaust port of the second centrifugal fan 151 and the second air inlet 1291 to guide the airflow discharged by the second centrifugal fan 131 into the second air supply chamber.
  • the first centrifugal fan 131 accelerates the gas by the first impeller 133 rotating at a high speed according to the principle that the kinetic energy is converted into potential energy, and then decelerates and changes the flow direction to convert the kinetic energy into potential energy.
  • the first centrifugal fan 131 generally includes a first gas collection port 132, a first impeller 133, and a first volute 134.
  • the first air collection port 132 of the first centrifugal fan 131 functions to ensure that the air flow can uniformly fill the inlet interface of the first impeller 133, thereby reducing the flow loss.
  • the first air collection port 132 of the first centrifugal fan 131 is oriented.
  • the direction of the first impeller 133 is tapered to form a bell mouth, and the air exchanged with the heat exchanger 140 in the heat exchanger accommodating chamber 144 can be sucked into the first impeller 133 as much as possible.
  • the first impeller 133 of the first centrifugal fan 131 is rotated by the first high-speed motor 135, the gas between the first impellers 133 is rotated by the first impeller 133 to obtain centrifugal force, and the gas is drawn out of the first impeller 133, and enters the first A volute 134, the gas pressure in the first volute 134 is increased and directed to discharge. After the gas between the blades is discharged, a negative pressure is formed; the heat exchanger 140 in the heat exchanger accommodating chamber 144 outside the first gas collection port 132 is continuously sucked in to form a continuous gas flow.
  • the first impeller 133 of the first centrifugal fan 131 and the first volute 134 are disposed in a space defined by the partition 143 and the casing 112, and the exhaust port of the first volute 134 faces the side wall of the casing 110;
  • the intake port of the air guiding member 136 is in contact with the exhaust port of the first volute 134.
  • the first volute 134 is spirally shaped to absorb the air drawn from the first impeller 133 and convert the dynamic pressure of the airflow into a static pressure through a wide cross-sectional area.
  • the first air guiding member 136 is connected between the exhaust port of the first centrifugal fan 131 and the first air inlet 1281, and is configured to guide the airflow discharged by the first centrifugal fan 131 into the first air supply chamber 125.
  • the first air guiding member 136 may include a first drainage section 137 and a first air supply section 138.
  • the first drainage section 137 has an intake port of the first air guiding member 136, and at least a part of the first drainage section 137 is spirally shaped, and the direction of the airflow discharged from the first centrifugal fan 131 is directed downward, and the first drainage section 137
  • the air inlet from the first air guiding member 136 is tapered in the airflow direction to accelerate the airflow into the first plenum 139 of the first air supply section 138.
  • the first air supply section 138 is in contact with the first drainage section 137, and defines a first air collection chamber 139 therein to receive the airflow discharged by the first centrifugal fan 131.
  • the first air supply section 138 is opened toward the first air inlet.
  • the port 1281 is configured to supply the airflow of the first plenum 139 to the first air supply chamber 125.
  • the first air supply section 138 forms a volute shape along the air outlet direction of the first drainage section 137, reducing the wind resistance of the airflow in the first air collection chamber 139, thereby forming a vortex in the first air collection chamber 139, which can smoothly
  • the ground passes from the first collecting chamber 139 to the first air supply chamber 125.
  • the first drainage section 137 may be disposed on one side of the first centrifugal fan 131. Due to the space limitation of the partition 143, the front and rear distances of the first drainage section 137 are small, and the first air supply section 138 is located in the heat exchanger receiving cavity. Below the 144 (that is, below the partition 143 and the heat exchanger 140), the distance in the front-rear direction is greater than the first drainage section 137, and the exhaust port of the first air supply section 138 is disposed in the first collection chamber 139. The front portion on the side of the first air injection portion 128 (corresponding to the position of the first air inlet 1281).
  • the structure of the second air blowing member 150 coincides with the first air blowing member 130.
  • the second centrifugal fan 151 generally includes a second gas collection port 152, a second impeller 153, and a second volute 154.
  • the second air collection port 152 of the second centrifugal fan 151 functions to ensure that the air flow can uniformly fill the inlet interface of the second impeller 153, reducing flow loss.
  • the second air collection port 152 of the second centrifugal fan 151 is tapered toward the second impeller 153 to form a bell mouth, and the air exchanged with the heat exchanger 140 in the heat exchanger accommodating chamber 144 can be sucked into the second impeller 153 as much as possible.
  • the second impeller 153 and the second volute 154 of the second centrifugal fan 151 are disposed in the space defined by the partition 143 and the casing 112, and the exhaust port of the second volute 154 faces the side wall of the casing 110;
  • the intake port of the air guiding member 156 is in contact with the exhaust port of the second volute 154.
  • the second volute 154 is spirally shaped to absorb the air drawn from the second impeller 153 and convert the dynamic pressure of the airflow into a static pressure through a wide cross-sectional area.
  • the second air guiding member 156 is connected between the exhaust port of the second centrifugal fan 151 and the second air inlet 1291, and is configured to guide the airflow discharged by the second centrifugal fan 151 into the second air supply chamber.
  • the second air guiding member 156 may include a second drainage section 157 and a second air supply section 158.
  • the second drainage section 157 has an intake port of the second air guiding member 156, and at least a portion of the second drainage section 157 is spirally shaped to guide the direction of the airflow discharged from the second centrifugal fan 151 downward, and the second drainage section 157
  • the air inlet from the second air guiding member 156 is tapered in the airflow direction to accelerate the airflow into the second plenum 159 of the second air supply section 158.
  • the second air supply section 158 is in contact with the second drainage section 157, and defines a second air collection chamber 159 therein to receive the airflow discharged by the second centrifugal fan 151, and the second air supply section 158 is opened toward the second air intake.
  • the port 1281 is for supplying the airflow of the second plenum 159 to the second air supply chamber.
  • the second air supply section 158 forms a volute shape along the air outlet direction of the second drainage section 157, reducing the wind resistance of the airflow in the second air collection chamber 159, thereby forming a vortex in the second air collection chamber 159, which can be smoothly performed.
  • the ground passes from the second collecting chamber 159 to the second air supply chamber.
  • the second drainage section 157 may be disposed on one side of the second centrifugal fan 151. Due to the space limitation of the partition 143, the front and rear distances of the second drainage section 157 are small, and the second air supply section 158 is located in the heat exchanger receiving cavity. Below the 144 (that is, below the partition 143 and the heat exchanger 140), the distance in the front-rear direction is greater than the second drainage section 157, and the exhaust opening of the second air supply section 158 is disposed in the second collection chamber 159. The front portion on the side of the second air injection portion 129 (corresponding to the position of the second air inlet 1291).
  • the first air blowing component 130 and the second air blowing component 150 can cooperate with each other to realize air supply, and the two can be started at the same time, and can be separately activated.
  • the working modes of the first air blowing component 130 and the second air blowing component 150 can include: The two winds are operated at different wind speeds, the first air blowing member 130 is operated separately, the second air blowing member 150 is operated separately, and the first air blowing member 130 and the second air blowing member 150 are alternately operated.
  • the above working mode can be used in conjunction with various sensors of the indoor unit 100, and the operation of the indoor unit 100 is controlled to adjust the operation of the first air blowing member 130, the second air blowing member 150, and the heat exchanger 140 according to a preset control mode.
  • the first air blowing member 130 and the second air blowing member 150 can be simultaneously activated at the same wind speed (determined by the temperature difference between the set temperature and the actual temperature) Continuous operation; additionally, by setting the wind speeds of the first air blowing component 130 and the second air blowing component 150 to be different, the direction of the air supply airflow is adjusted accordingly to adapt to the indoor space; in some special working conditions (for example, When the air is blown separately on one side, the first air blowing component 130 and the second air blowing component 150 can be selectively activated, and the first air blowing component 130 and the second air blowing component 150 can also be alternately activated. It is similar to the effect of the wind, and ensures the balanced operation of the internal components of the indoor unit 100.
  • the control mode is more flexible and convenient, and can meet the air supply requirements of different working conditions, thereby greatly improving The user experience.
  • the air supply port 117 under the housing 110 is configured to arrange the annular jet assembly 120, so that the airflow exchanged by the heat exchanger 140 is ejected from the jet assembly 120, and is sucked and sent.
  • the ambient air around the air outlet 117 is mixed with the heat exchange airflow with a sharp temperature difference in the surrounding environment, thereby ensuring that the airflow sent out is soft, and the feeling of blowing to the human body is more comfortable.
  • the air volume of the indoor unit 100 is increased, and the indoor air is accelerated.
  • the flow of the indoor air temperature can be uniformly lowered as a whole, and the air outlet of the wall-mounted air conditioner indoor unit 100 of the present invention is an oblong (also referred to as a racetrack shape) and is disposed below the casing 110.
  • the air inlets 116 are respectively formed on both sides of the casing 112, and cooperate with the two air supply components.
  • the overall structure is similar to the existing conventional hanging indoor unit, and is easily accepted by the user, and is easy to replace the existing traditional hanging indoors.
  • the machine has a flexible installation position and a compact internal component, and the space inside the casing 110 can be utilized to make the wall-mounted air conditioner indoor unit 100 thinner.
  • the flow direction of the heat exchange airflow of the wall-mounted air conditioner indoor unit 100 of the present embodiment is such that after the first centrifugal fan 131 and the second centrifugal fan 151 are activated, the air around the indoor unit 100 is sucked into the heat exchanger from the air inlets 116 on both sides.
  • heat exchange is performed with the heat exchanger 140.
  • a portion of the heat exchanged airflow enters the first centrifugal fan 131, is accelerated by the first impeller 133, enters the first air guiding member 136 via the first volute 134, and passes through the first guiding section 137 of the first air guiding member 136.
  • the other part of the heat exchanged airflow enters the second centrifugal fan 151, is accelerated by the second impeller 153, enters the second air guiding member 156 via the second volute 154, and passes through the second drainage section 157 of the second air guiding member 156. Guided into the second plenum 159 of the second supply section 158. The airflow vortexes in the second plenum 159 and finally passes through the exhaust port of the second air supply section 158 from the second air inlet 1291 into the annular second air supply chamber, thereby forming a second heat exchange airflow.
  • the high speed is ejected forward from the first air outlet 124, and the air circulation area 118 at the rear of the air supply port 117 is driven.
  • the air is sucked through the first ventilation hole 1282, mixed in the front of the indoor unit 100, and sent into the room, and the amount of airflow is greatly increased, and the airflow after the heat exchange is mixed with the ambient air to become a cool and cool airflow. Speed up the flow of indoor air.
  • the second heat exchange airflow After entering the second air supply chamber, the second heat exchange airflow is directed forward from the second air outlet under the guidance of the rear side edge of the annular inner wall of the second air injection portion 129, and drives the air at the rear of the air supply port 117.
  • the air in the circulation area 118 is drawn through the second ventilation holes 1292.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Abstract

L'invention concerne une unité intérieure de climatiseur montée sur un mur (100), comprenant : un boîtier (110) ; ledit boîtier (110) comprend un boîtier de couvercle (112) et un panneau de face avant (114) disposé devant le boîtier de couvercle (112) ; les deux côtés du boîtier de couvercle (112) comportent chacun une entrée d'air (116) ; la partie inférieure du panneau de face avant (114) est pourvue d'un orifice d'alimentation en air (117) ; un échangeur de chaleur (140), disposé sur l'intérieur du boîtier (110) ; un ensemble de jet (120), ménagé à l'intérieur de l'orifice d'alimentation en air (117) et comprenant une première partie de jet (128) et une seconde partie de jet (129) à l'horizontale ; les parois périphériques internes de la première partie de jet (128) et de la seconde partie de jet (129) sur lesquelles sont formés un premier orifice de jet (124) et un second orifice de jet, utilisés pour pulvériser vers l'avant le flux d'air à l'intérieur de la première partie de jet (128) et de la seconde partie de jet (129), amenant l'air ambiant dans un premier trou de ventilation (1282) et un second trou de ventilation (1292) délimités par les parois périphériques internes de la première partie de jet (128) et de la seconde partie de jet (129) devant être soufflé vers l'avant ; un premier ensemble de soufflage d'air (130), utilisé pour générer une entrée à partir de l'orifice d'entrée d'air (116) sur un côté et, après un échange de chaleur avec un échangeur de chaleur (140), qui fournit un premier courant d'air d'échange de chaleur à l'intérieur de la première partie de jet (128) ; un second ensemble d'alimentation en air (150), utilisé pour générer une entrée à partir de l'autre côté de l'orifice d'entrée d'air (116) et, après un échange de chaleur avec un échangeur de chaleur (140), qui fournit un second courant d'air d'échange de chaleur à l'intérieur de la seconde partie de jet (129) ; l'unité intérieure de climatiseur montée sur un mur offre un soufflage d'air doux, un échange de chaleur rapide et présente une structure compacte appropriée aux habitudes d'utilisation de l'utilisateur ; le mode d'alimentation en air est flexible et l'invention permet de répondre à différentes exigences de réglage.
PCT/CN2018/106568 2017-09-28 2018-09-19 Unité intérieure de climatiseur montée sur un mur WO2019062626A1 (fr)

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