CN110056968B - Wall-mounted air conditioner indoor unit - Google Patents
Wall-mounted air conditioner indoor unit Download PDFInfo
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- CN110056968B CN110056968B CN201910389757.7A CN201910389757A CN110056968B CN 110056968 B CN110056968 B CN 110056968B CN 201910389757 A CN201910389757 A CN 201910389757A CN 110056968 B CN110056968 B CN 110056968B
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- air
- air supply
- fan
- indoor unit
- heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
Abstract
The invention provides a wall-mounted air conditioner indoor unit, which comprises a shell, a heat exchanger and a plurality of air supply assemblies, wherein the heat exchanger and the plurality of air supply assemblies are arranged in the shell, an air inlet is formed in the rear wall of the shell, the shell is also provided with a plurality of first air supply outlets and a plurality of second air supply outlets, the orientations of the first air supply outlets and the first air supply outlets are different, one air supply assembly corresponds to one first air supply outlet and one second air supply outlet, and the air supply assemblies are configured to guide heat exchange airflow to the corresponding first air supply outlet and/or the corresponding second air supply outlet so as to supply the heat exchange airflow to the indoor; wherein, at least one air supply fan is a laminar flow fan, thus realizing low-noise air supply; and one or two groups of air supply outlets can be selected to supply air through the air supply assembly, so that the selection of air supply directions is enlarged, the air supply requirements in a refrigerating or heating mode are met, and the use experience of users is improved.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a wall-mounted air conditioner indoor unit.
Background
The air conditioner is one of necessary household appliances, and a wall-mounted air conditioner indoor unit is a common indoor unit form, so that the wall-mounted air conditioner indoor unit has the characteristic of small occupied space and is very widely applied.
The existing wall-mounted air conditioner indoor unit is generally provided with a cross-flow fan in a casing, and the cross-flow fan supplies air through an air supply outlet at the front lower part. The air supply opening is generally provided with an air deflector or an air guide swinging blade to adjust the air supply direction. However, such an indoor unit has the following problems: the air supply direction is adjusted in a limited angle, the air supply range is limited, cold air blows people obliquely during refrigeration, and a user is easily affected by air conditioning due to large temperature difference; when heating, the heating airflow is difficult to directly send out downwards, the heating effect is poor, and a user can easily feel that the head and the feet are cold. Therefore, the existing wall-mounted air conditioner indoor unit has poor use experience for users.
Disclosure of Invention
The invention aims to provide a wall-mounted air conditioner indoor unit with good use experience.
The invention further aims to enable the air supply direction of the indoor unit of the wall-mounted air conditioner to be adjusted more flexibly and meet the requirements of refrigeration and heating.
In particular, the present invention provides a wall-mounted type air conditioner indoor unit, comprising:
the heat exchange air supply cavity is defined in the shell, the rear wall of the shell is provided with an air inlet, the shell is also provided with a plurality of first air supply outlets and a plurality of second air supply outlets, and the orientations of the plurality of first air supply outlets and the plurality of second air supply outlets are set to be different;
the air supply assemblies are arranged in the heat exchange air supply cavity, and each air supply assembly comprises an air supply fan;
the heat exchanger is arranged on an air inlet flow path between the air supply fan and the air inlet so as to exchange heat with ambient air entering from the air inlet, thereby forming heat exchange airflow;
one of the air supply assemblies corresponds to one of the first air supply outlet and the second air supply outlet, and the air supply assembly is configured to guide the heat exchange air flow to the corresponding first air supply outlet and/or the corresponding second air supply outlet so as to supply the heat exchange air flow to an indoor environment;
and at least one air supply fan is a laminar flow fan, the laminar flow fan comprises a plurality of annular discs which are arranged in parallel at intervals and fixedly connected with each other, when the laminar flow fan is driven to rotate, heat exchange air flow is sucked into a cavity on the radial inner side of the laminar flow fan from one axial end of the laminar flow fan, then an air boundary layer on the surface of each annular disc is driven by the annular disc to rotate and move from inside to outside along the radial direction due to the viscous effect to form laminar flow air, and therefore the heat exchange air flow is promoted to flow to the corresponding first air supply opening and/or the corresponding second air supply opening.
Optionally, the air supply assembly comprises an air supply part and an air guide part communicated with the air supply part, and the air supply fan is arranged in the air supply part;
one air guide part corresponds to one first air supply outlet, and each air guide part is communicated with the corresponding first air supply outlet so as to guide heat exchange air flow discharged by the air supply fan to the corresponding first air supply outlet;
one air supply part corresponds to one second air supply outlet, and each air supply part is communicated with the corresponding second air supply outlet, so that the heat exchange airflow discharged by the air supply fan flows to the corresponding second air supply outlet.
Optionally, the plurality of air supply assemblies are transversely arranged in the heat exchange air supply cavity at intervals, and the air supply part and the air guide part of the same air supply assembly are transversely distributed;
the first air supply outlets are formed in the front panel of the shell and in the area corresponding to each air guide part, and the second air supply outlets are formed in the bottom wall of the shell and in the area corresponding to each air supply part.
Optionally, the air inlets are multiple groups, each group of air inlets is transversely distributed on the rear wall of the casing at intervals, and one group of air inlets corresponds to one air supply fan;
the heat exchangers are distributed at intervals transversely and correspond to the air inlets in groups one by one, and the heat exchangers are respectively positioned on an air inlet flow path between the corresponding air inlets in a group and the air supply fans corresponding to the air inlets in the group.
Optionally, each air supply fan is a laminar flow fan; or, except that some air supply fans are laminar flow fans, the other part of air supply fans are centrifugal fans;
the rotation axis of the air supply fan is arranged along the front and back directions of the shell;
a plurality of annular disks of the laminar flow fan are sequentially arranged in parallel at intervals along the front-back direction, and when the plurality of annular disks are driven to rotate, heat exchange airflow is sucked into a cavity on the radial inner side of the annular disks from the axial back end of the annular disks;
each air supply part also comprises a fan volute arranged on the periphery of the corresponding air supply fan, and the fan volute is communicated with the corresponding air guide part; and is
And a bypass port is formed on the bottom wall of each fan volute, and one bypass port is opposite to and connected with one second air supply port.
Optionally, each wind guiding portion further comprises:
the air guide volute is communicated with the corresponding fan volute, an annular air channel is defined in the air guide volute, an air guide air channel penetrating through the air guide volute from front to back is formed in the center of the annular air channel, and the air guide air channel is opposite to the corresponding first air supply outlet;
the air guide sets up in the induced air wind channel to be linked together with annular air duct, the air guide includes a plurality of efflux leebs that extend around the fore-and-aft direction, and each efflux leeb is along the coaxial distribution of fore-and-aft direction, forms the efflux mouth between two adjacent efflux leebs, and the efflux mouth is used for spouting the air current in annular air duct forward, and drives the air in the induced air wind channel and sees off forward.
Optionally, the rear wall of the casing is provided with an air inlet at a position opposite to each air inlet, so that when the jet port ejects the air flow of the corresponding annular air duct forward, the ambient air around the corresponding air inlet is urged to flow forward to enter the air inlet and mix with the heat exchange air blown out from the jet port.
Optionally, the region of the rear wall of the casing opposite each air guide is recessed forwardly so that there is an air flow region behind each air guide.
Optionally, each first air supply opening is provided with a first air door, and each induced air opening is provided with a second air door, and the first air door and the second air door are respectively configured to be controllably opened and closed, so that the jet opening and/or the induced air duct are correspondingly opened and closed.
Optionally, the wall-mounted air conditioner indoor unit further comprises:
and the air guide plate groups correspond to the second air supply outlets one by one, each air guide plate group comprises at least one air guide plate, and the air guide plates are configured to be controlled to rotate around respective transverse axes so as to open and close the corresponding second air supply outlets by utilizing the at least one air guide plate of each air guide plate group, so that the air outlet directions of the corresponding second air supply outlets are adjusted or the corresponding second air supply outlets stop supplying air.
According to the wall-mounted air conditioner indoor unit, the shell is provided with the plurality of air supply outlets, and each air supply outlet can independently supply air, so that the partitioned air supply is realized, and the air supply range is enlarged; in addition, the air supply directions of the two groups of air supply outlets of the indoor unit are different, one or two groups of air supply outlets can be selected for supplying air through the air supply assembly, the selection of the air supply direction is enlarged, the air supply requirement in a refrigerating or heating mode is met, and the use experience of a user is improved; and the indoor set adopts laminar flow fan to accelerate the air current and flows, can realize the low noise air supply, builds the comfortable air supply environment of silence for the user, further promotes user's use and experiences.
Furthermore, in the wall-mounted air conditioner indoor unit, the positions and the structures of the heat exchanger, the air guide part and the air supply part are optimized, so that the internal parts of the indoor unit have compact structures, the space in the shell of the indoor unit is fully utilized, the occupied space is reduced on one hand, and the air supply wind resistance can be reduced on the other hand.
Furthermore, in the wall-mounted air conditioner indoor unit, each first air supply outlet is arranged on the front panel of the casing, is used for supplying air to the front part of the indoor unit, and is suitable for supplying air forwards with large air volume during refrigeration or heating; each second air supply outlet is arranged at the bottom of the casing and is suitable for the working condition of supplying air to the feet of a user during heating. The air supply outlet structure can be used for realizing an air supply mode corresponding to a heat exchange mode. In addition, each first air supply outlet can supply air in a jet flow outlet mode, ambient air is sucked and mixed with heat exchange air flow with severe ambient temperature difference, accordingly, the air flow is soft, hot, cool and cold comfortable air is formed, human body feeling is more comfortable, air supply amount is increased, and indoor air flow is accelerated.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a perspective view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;
fig. 2 is a front view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;
fig. 3 is a schematic exploded view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a wall mounted air conditioner indoor unit according to one embodiment of the present invention;
fig. 5 is a schematic structural view of a laminar flow fan of an indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention;
fig. 6 is a schematic structural view of another direction of a laminar flow fan of an indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention;
fig. 7 is a schematic diagram illustrating the blowing principle of a laminar flow fan of an indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 2;
fig. 9 is a partially schematic exploded view of a blower assembly of a wall mounted air conditioner indoor unit according to an embodiment of the present invention; and
fig. 10 is a cross-sectional view taken along the line a-a in fig. 2.
Detailed Description
For convenience of description, the directions "up", "down", "front", "back", "top", "bottom", "transverse", etc. mentioned in the description are defined according to the spatial position relationship of the wall-mounted air conditioner 100 in the normal working state, for example, as shown in fig. 8, the side of the wall-mounted air conditioner 100 facing the user is front, and the side attached to the installation location (supporting wall) is rear. As shown in fig. 2, the lateral direction means a direction parallel to the longitudinal direction of the indoor unit 100. As will be appreciated by those skilled in the art, the length of the housing 110 of the wall-mounted air conditioner indoor unit 100 is significantly greater than its height and depth distance in the front-to-rear direction.
As shown in fig. 1 to 10, the wall-mounted air conditioner indoor unit 100 of the present embodiment may generally include: casing 110, air supply assembly, heat exchanger 121.
A casing 110 having a heat exchanging blowing chamber defined therein. The side of the casing 110 facing the user is a front panel 111, and the rear portion of the front panel 111 has a cover 112, and the cover 112 and the front panel 111 cooperate to define a heat exchange air-feeding chamber. The casing 112 may be formed of a top wall, a side wall, a rear wall, and a bottom wall, and the front panel 111 is disposed in front of the casing 112 to close the heat exchanging blowing chamber.
An air inlet 113 is formed in the rear wall of the casing 110, and the casing 110 further has a plurality of first air supply outlets 114 and a plurality of second air supply outlets 115, wherein the orientations of the first air supply outlets 114 and the second air supply outlets 115 are different. For example, each of the first supply vents 114 may face the front of the cabinet 110, and each of the second supply vents 115 may face the lower side of the cabinet 110. In some embodiments, each first supply outlet 114 may be provided on the front panel 111, and each second supply outlet 115 is provided on the bottom wall of the casing 110, that is, the bottom wall of the casing 112.
Correspondingly, the air supply subassembly is a plurality of, sets up in heat transfer air supply intracavity, and every air supply subassembly all includes air supply fan. One air supply assembly corresponds to one first air supply outlet 114 and one second air supply outlet 115, and the air supply assembly is configured to guide the heat exchange air flow to the corresponding first air supply outlet 114 and/or the corresponding second air supply outlet 115 for supplying to the indoor environment.
And the heat exchanger 121 is arranged on an air inlet flow path between the air supply fan and the air inlet 113 and is used for exchanging heat for the heat exchange air flow. The heat exchanger 121 is a part of a refrigeration system, and the refrigeration system may be implemented by using a compression refrigeration cycle, which uses a compression phase change cycle of a refrigerant in a compressor, a condenser, an evaporator, and a throttling device to implement heat transfer. The refrigeration system may further include a four-way valve to change the flow direction of the refrigerant, so that the heat exchanger 121 may be alternately used as an evaporator or a condenser to perform a cooling or heating function. Since the compression refrigeration cycle in the air conditioner is well known to those skilled in the art, the operation principle and structure thereof will not be described herein.
The position of the heat exchanger 121 may be determined according to the position of the intake vent 113, and in this embodiment, the intake vent 113 may be formed on a rear wall of the casing 110, that is, a rear wall of the casing 112. The air inlet 113 is arranged at the rear part of the whole machine, keeps the appearance of the front side of the indoor unit 100 beautiful, and can reduce the air inlet noise sensed by a user in the operation process of the indoor unit 100. Accordingly, the heat exchanger 121 may be disposed against the rear wall of the casing 112. Accordingly, the air supply assembly is located in front of the corresponding heat exchanger 121.
At least one of the plurality of air supply fans is a laminar flow fan 211, as shown in fig. 5, the laminar flow fan 211 includes a plurality of annular disks 2111 disposed in parallel at intervals and fixedly connected to each other, and when the laminar flow fan is driven to rotate, air is sucked into a cavity on the radial inner side of the laminar flow fan from one axial end of the laminar flow fan, and then an air boundary layer on the surface of the annular disk 2111 is driven by the annular disk 2111 to rotate and move from inside to outside in the radial direction due to a viscous effect, so as to form laminar flow air, and thus, heat exchange air is caused to flow to a corresponding first air supply outlet 114 and/or a corresponding second air supply outlet 115.
The conventional wall-mounted air conditioner indoor unit 100 generally employs a cross-flow fan, however, the air pressure of the cross-flow fan is too small, which results in a short air supply distance, and the cross-flow fan has a large overall volume and a large occupied space. The wall-mounted air conditioner indoor unit 100 in the embodiment innovatively uses a novel air supply fan, the laminar flow fan 211 is large in air supply amount and small in occupied space, and based on the boundary layer viscous effect, the laminar flow fan 211 mainly applies work through the annular disc 2111, the annular disc 2111 is basically parallel to the air flow flowing direction, the turbulent air flow cannot be strongly impacted, severe vortex is generated, the noise is greatly reduced, the noise quality is preferential, low-noise air supply is realized, and the user experience is remarkably improved. More specific principles and structures of the laminar flow fan 211 are described in detail later.
In some embodiments, each of the air supply fans may be a laminar flow fan 211, for example, in the embodiment shown in fig. 3, both air supply fans are laminar flow fans 211, which greatly reduces noise during the whole operation of the indoor unit 100. In an alternative embodiment, in addition to the laminar flow fan 211 being part of the supply fan, the other part of the supply fan may be a centrifugal fan, for example, in an embodiment where the supply fan is two, one of the supply fans is the laminar flow fan 211 and the other supply fan is a centrifugal fan.
In the indoor unit 100 of this embodiment, the casing 110 is provided with a plurality of air supply outlets, each air supply outlet can independently supply air, so that partitioned air supply is realized, and the air supply range is enlarged; in addition, the air supply directions of two groups of air supply outlets (one group is a plurality of first air supply outlets 114, and the other group is a plurality of second air supply outlets 115) of the indoor unit 100 are different, and one or two groups of the two groups of air supply outlets can be selected by the air supply assembly to supply air, so that the selection of the air supply direction is expanded, the air supply requirement in a cooling or heating mode is met, and the use experience of a user is improved; moreover, the indoor unit 100 adopts the laminar flow fan 211 to accelerate the airflow to flow, so that low-noise air supply can be realized, a silent and comfortable air supply environment is created for a user, and the use experience of the user is further improved.
Each air supply assembly may include an air supply portion 210 and an air guide portion 310 communicated with the air supply portion 210, and the air supply blower is disposed in the corresponding air supply portion 210. One air guide part 310 corresponds to one first air supply outlet 114, and each air guide part 310 is arranged to be communicated with the corresponding first air supply outlet 114; and, one air supply part 210 corresponds to one second air supply outlet 115, and each air supply part 210 is set to be communicated with the corresponding second air supply outlet 115, so that the heat exchange air flow discharged by the air supply fan flows to the corresponding second air supply outlet 115. Therefore, the heat exchange air flow is guided to the corresponding first air supply outlet 114 and/or the corresponding second air supply outlet 115 through the air supply part 210 and the air guide part 310 of each air supply assembly, and the zoned air supply is realized.
The air supply components can be transversely arranged in the heat exchange air supply cavity at intervals, and the air supply part 210 and the air guide part 310 of the same air supply component are transversely distributed. Accordingly, the plurality of first blowing ports 114 may be formed in a region of the front panel 111 of the casing 110 corresponding to each air guide part 310, and the plurality of second blowing ports 115 may be formed in a region of the bottom wall of the casing 110 corresponding to each air supply part 210. Thus, the plurality of first blowing ports 114 are distributed on the front panel 111 of the casing 110 at intervals in the transverse direction, and the coverage area of the forward blowing airflow is enlarged, and the plurality of second blowing ports 115 are distributed on the bottom wall of the casing 110 at intervals in the transverse direction, and the coverage area of the downward blowing airflow is enlarged.
The wind guiding portion 310 of the same wind supplying assembly can be located at the lateral outer side of the wind supplying portion 210, so that the lateral distance between two adjacent first wind supplying openings 114 is increased, the airflow blowing into the room is more dispersed, and the coverage area is larger. Accordingly, the first air blowing ports 114 corresponding to the air guiding portions 310 are located at positions laterally outward of the front panel 111, and the second air blowing ports 115 corresponding to the air feeding portions 210 are located at positions substantially forward of the middle of the bottom wall of the casing 110. As shown in fig. 3 and 4, the two air supply assemblies are respectively located in the left half and the right half of the heat exchanging air supply cavity, the two first air supply outlets 114 are located at positions near the two lateral sides of the front panel 111, and the two second air supply outlets 115 are located at positions near the front of the bottom wall of the casing 110.
In some embodiments, the air inlets 113 are provided in multiple sets, the heat exchangers 121 are provided in multiple sets, the air inlets 113 in each set are transversely distributed on the rear wall of the casing 110 at intervals, and one set of air inlets 113 corresponds to one air supply fan. Each heat exchanger 121 is transversely distributed at intervals and corresponds to each group of air inlets 113 one by one, and each heat exchanger 121 is respectively positioned on an air inlet flow path between the group of air inlets 113 corresponding to the heat exchanger and the air supply fan corresponding to the group of air inlets 113. That is, one air supply assembly corresponds to one heat exchanger 121 and one set of air inlets 113, so that a plurality of mutually independent air supply systems (including the heat exchanger 121, the air supply assembly and the like) are formed, and the zoned air supply is realized.
The heat exchange air supply cavity can be further provided with a partition plate (not shown in the figure), the partition plate can extend forwards from the rear wall of the casing 110 to the front panel 111 of the casing 110 so as to isolate two transversely adjacent air supply assemblies and two transversely adjacent heat exchangers 121, and thus each air supply system is isolated, and air inlet and air supply of each air supply system are independent. As shown in fig. 3, a mounting plate 122 may be further disposed in the heat exchange air supply cavity, one mounting plate 122 corresponds to one heat exchanger 121, on the airflow flow path, the mounting plate 122 is located at the downstream of the corresponding heat exchanger 121 and is used to fix the corresponding heat exchanger 121 and close the two lateral sides of the corresponding heat exchanger 121, an opening 1221 is formed in the mounting plate 122, and the heat exchange airflow after exchanging heat with the heat exchanger 121 flows to the corresponding air supply assembly through the opening 1221. A water receiving tray 105 is arranged below each heat exchanger 121 and is used for receiving the condensed water of the corresponding heat exchanger 121. In the embodiment shown in figure 3, there are two heat exchangers 121, and correspondingly there are two mounting plates 122 and two water-tray 105.
For example, in the embodiment shown in fig. 1 to 3, there are two air supply assemblies, two first air supply outlets 114 and two second air supply outlets 115, and accordingly, there are two heat exchangers 121, two sets of air inlets 113, a grid type air inlet 113, and a plate type heat exchanger 121.
The rotation axis of the blower fan is arranged along the front-rear direction of the casing 110. Accordingly, the rotation axis of the laminar flow fan 211 is arranged in the front-rear direction of the cabinet, and the plurality of annular disks 2111 of the laminar flow fan 211 are arranged in parallel at intervals in the front-rear direction in order, and the respective annular disks 2111 are coaxially arranged.
Referring to fig. 3 to 9, the laminar flow fan 211 may further include a circular plate 2112 and a plurality of connecting rods 2113, wherein the circular plate 2112 is located at the non-air inlet axial end of the laminar flow fan 211, and is parallel to and fixedly connected with the annular plate 2111 adjacent thereto at an interval. In this embodiment, the air inlet 113 is formed in the rear wall of the casing 110, the non-inlet air axial end of the laminar flow fan 211 is the axial front end of the laminar flow fan 211, and the inlet air end of the laminar flow fan 211 is the axial rear end thereof, that is, when the plurality of annular disks 2111 of the laminar flow fan 211 are driven to rotate, the heat exchange air flow is sucked into the radially inner cavity thereof from the axial rear end thereof, and then the air boundary layer on the surfaces of the annular disks 2111 is driven by the annular disks 2111 to rotate and move radially from inside to outside due to the viscous effect to form laminar air.
The center of the circular plate 2112 can be recessed towards the direction of the annular plate 2111 to form a containing cavity 211b, the high-speed motor 213 extends into the containing cavity 211b and is mounted on the fan volute 212 through the mounting part 214, and the rotating shaft of the high-speed motor 213 is connected with the circular plate 2112 to drive the circular plate 2112 to rotate, so that the plurality of annular plates 2111 are driven to rotate. The connecting rod 2113 is fixed to the circular plate 2112 at one end, then extends toward the annular plate 2111 to penetrate through the plurality of annular plates 2111, and is fixed to each annular plate 2111 to achieve mutual fixation of the plurality of annular plates 2111 and the circular plate 2112.
As shown in fig. 7, the blowing principle of the laminar flow fan 211 is mainly derived from a "tesla turbine" found in nigula tesla. Tesla turbines mainly utilize the 'laminar boundary layer effect' or 'viscous effect' of the fluid to achieve the purpose of doing work on 'turbine disks'. The annular discs 2111 rotate at a high speed, air in the intervals of the annular discs 2111 contacts and moves mutually, and the air boundary layer 106 close to the surfaces of the annular discs 2111 is driven by the rotating annular discs 2111 to rotate from inside to outside to form laminar wind under the action of viscous shear force tau.
An air inlet passage 211a is formed at the center of the annular disk 2111 to allow the heat exchange air to enter. A plurality of air outlet channels are formed in gaps between the plurality of annular disks 2111, so that laminar air can be blown out. The air boundary layer 106 rotates from inside to outside to form laminar wind, which is centrifugal, and therefore the speed of the air leaving the air outlet channel is higher than the speed of the air entering the air inlet channel 211 a.
In this embodiment, the circular plate 2112 is located at the front side of the annular plate 2111, the air inlet channel 211a extends from back to front, the heat exchange airflow after heat exchange with the heat exchanger 121 is sucked from the axial rear end of the fan 211 by the laminar flow fan 211 and enters the fan volute 212 along the radial direction outwards, the pressure of the gas in the fan volute 212 is increased and is guided to be discharged, the gas between the annular plates 2111 is discharged to form negative pressure, and the air is continuously sucked through the air inlet 113 to exchange heat with the heat exchanger 121, so as to form continuous airflow.
The inner diameter of each annular disc 2111 of the laminar flow fan 211 may be different. For example, the inner circle diameters of the plurality of annular disks 2111 are sequentially made smaller in the axial air intake direction of the laminar flow fan 211. In other words, the inner circle diameter of the annular disk 2111 is gradually reduced in the direction in which the air flow flows in the intake air passage 211 a. Therefore, when the heat exchange airflow enters the air inlet channel 211a from back to front, the airflows at different positions in the radial direction respectively correspond to different annular discs 2111, so that the air can more uniformly flow to each annular disc 2111, the heat exchange airflow is prevented from difficultly entering the downstream annular disc 2111, and the effect of improving the air volume is finally achieved.
The spacing between adjacent annular disks 2111 of the laminar flow fan 211 may be different. Along the axial air inlet direction of the laminar flow fan 211, the distance between each two adjacent annular discs 2111 is gradually increased. Alternatively, the distance between each adjacent two of the annular disks 2111 gradually increases along the direction in which the air flows in the intake air passage 211 a. The inventor creatively finds that the arrangement can effectively improve the air volume of the laminar flow fan 211.
As shown in fig. 3, the blower volute 212 is disposed at the periphery of the corresponding air supply blower, and the blower volute 212 is communicated with the corresponding air guiding portion 310. A bypass opening 104 is formed in a bottom wall of each blower volute 212, and one bypass opening 104 is opposite to and connected with one second blowing opening 115, so that part or all of the heat exchange airflow discharged by the blowing blower flows to the second blowing opening 115 through the bypass opening 104 of the blower volute 212. The second air supply outlet 115 is generally used for supplying air downward, and is mainly used for a heating mode of the indoor unit 100, supplying air to the feet of a user, and avoiding the problem of head heat and feet cold.
The air guiding portion 310 includes air guiding volutes 311, and the air guiding volutes 311 are communicated with corresponding fan volutes 212. As shown in fig. 3, the blower scroll 212 communicates with the air guide scroll 311 on one lateral side from the top on the one lateral side.
The air guide volute 311 and the fan volute 212 may be formed into an integral structure, as shown in fig. 3 and 9, the air guide volute 311 and the fan volute 212 are both of a two-half structure, the air guide volute 311 includes a first air guide housing 311a with an open front side and a second air guide housing 311b with an open rear side, the fan volute 212 includes a first fan housing 212a with an open front side and a second fan housing 212b with an open rear side, the first air guide housing 311a and the first fan housing 212a are integrally formed, the second air guide housing 311b and the second fan housing 212b are integrally formed, and the first air guide housing 311a and the first fan housing 212a which are integrally formed are connected with the second air guide housing 311b and the second fan housing 212b which are integrally formed in a matching manner, so as to form the air guide volute 311 and the fan volute 212 which are transversely distributed. As shown in fig. 9, the bypass opening 104 is defined by a bottom end of the first fan housing 212a and a bottom end of the second fan housing 212 b.
In an alternative embodiment, the air guide volute 311 and the fan volute 212 may be of a split design, and in this embodiment, the air guide volute 311 and the fan volute 212 may also be of a two-half structure. An airflow inlet is formed on one side of the air guide volute 311, which faces the transverse direction of the fan volute 212, a discharge port is formed on one side of the fan volute 212, which faces the transverse direction of the air guide volute 311, and the airflow inlet of the air guide volute 311 is connected and communicated with the discharge port of the fan volute 212.
As shown in fig. 3, 4 and 10, the air guide portion 310 further includes an air guide 312. An annular air duct is defined in the air guide volute 311, an air guide duct 303 penetrating through the front and the back is formed in the center of the annular air duct, and the air guide duct 303 is opposite to the corresponding first air supply outlet 114.
The inner side peripheral wall of the most forward jet flow wind ring 3121 in the plurality of jet flow wind rings 3121 of the air guide 312 is gradually reduced and then gradually expanded from back to front, that is to say, the inner side peripheral wall of the most forward jet flow wind ring 3121 includes a gradually reducing portion and a gradually expanding portion from back to front, the gradually reducing portion is favorable to guiding the air current in the rear forward more smoothly, and the gradually expanding portion can enlarge the air outlet area of the air guide 312. The inner side peripheral wall of each jet flow air ring 3121 positioned at the rear of the jet flow air ring 3121 at the forefront can be extended in a gradually shrinking manner from back to front, and the air flow of the induced air duct 303 can be effectively guided to flow forwards along the inner surface of the jet flow air ring 3121, so that the mixing of natural air and heat exchange air is facilitated, the air supply uniformity is improved, and the air supply quantity is facilitated to be improved. For example, the air guide 312 includes three jet flow wind rings 3121, two jet flow wind rings 3121 located at the rear extend in a tapered manner from the rear to the front, and the jet flow wind ring 3121 located at the frontmost is tapered from the rear to the front and then gradually expands.
The rear jet wind 3121 of the wind guide 312 is inserted into the rear end of the front jet wind 3121 to define the aforementioned jet opening 103 by a gap formed between two adjacent jet wind 3121. The jet port 103 forms a continuous outward-expanding coanda surface by means of the outward-expanding peripheral surface of the front jet air ring 3121, and the air flow is accelerated by the jet port 103 to drive the ambient air in the air-inducing duct 303 in the center of the air guide 312. The ambient air is mixed with the heat exchange air flow ejected from the jet opening 103, so that on one hand, the wind power is increased, and the air flow can be sent out farther; on the other hand, the air flow sent out is softer, and comfortable wind which is hot but not dry, cool but not cold is formed, so that the user feels more comfortable.
In order to improve the jet velocity of the jet orifice 103, the width of the jet orifice 103 can be configured according to the test result, for example, set to 1 to 3mm, and through a large number of tests, the width of the jet orifice 103 can be preferably set to about 2mm, and the jet orifice 103 with the size width can ensure the jet velocity of the heat exchange airflow, and can reduce the windage loss of the heat exchange airflow and reduce the noise as much as possible.
The wall-mounted air conditioner indoor unit 100 of the embodiment has the advantages that the positions and the structures of the air supply outlet, the heat exchanger 121, the air guide part 310 and the air supply part 210 are optimized, the air supply diversity of the indoor unit 100 is increased, the air supply comfort is improved, the internal components of the indoor unit 100 are compact in structure, the occupied space is reduced, and the air supply wind resistance is reduced.
In order to match with the induced air channels 303, the induced air ports 118 are respectively formed in the positions, opposite to each induced air channel 303, of the rear wall of the casing 110, when the jet ports 103 eject the airflow of the corresponding annular air channel forward, the ambient air around the corresponding induced air ports 118 is made to flow forward to enter the induced air channels 303 to be mixed with the heat exchange air blown out from the jet ports 103, and the ambient air is blown to the indoor from the corresponding first air supply ports 114, so that the whole air supply distance and the air supply quantity are increased, the blown airflow is soft, the temperature is proper, and the user experience is more comfortable.
The first air supply opening 114 and the induced draft opening 118 may be square, perfect circle, rectangle circle, ellipse or other shapes, and the shapes of the first air supply opening 114 and the induced draft opening 118 may be the same or different.
The area of the rear wall of the casing 110 opposite each air guide 312 is recessed forward so that there is an air flow area 304 behind each air inducer 118. The induced draft air duct 303 communicates with an air flow region 304, and the heat exchange gas ejected from the jet port 103 can draw ambient air from the air flow region 304.
As shown in fig. 3, a first damper 101 may be disposed at each first supply port 114, a second damper 102 may be disposed at each induced draft port 118, and the first damper 101 and the second damper 102 are respectively configured to be controlled to open and close, so that the jet port and/or the induced draft duct 303 are correspondingly opened and closed. For example, when both the first damper 101 and the second damper 102 are closed, both the jet port and the induced air duct 303 are closed. The first damper 101 is opened, the second damper 102 is closed, the jet port is opened, and the induced air duct 303 is closed, and at this time, only the heat exchange air flow is sent out, and the ambient air cannot be sucked. The first air door 101 and the second air door 102 are both opened, the jet opening and the induced air duct 303 are both opened, and the ambient air is driven by the heat exchange airflow and is sent out after being mixed. Therefore, the indoor unit 100 has multiple air supply modes, provides multiple air supply requirements for users, facilitates the users to select different air supply modes according to the requirements of the users, and improves the user experience.
A third damper (not shown) may be disposed at the aforementioned bypass port 104, and the third damper is configured to be controlled to open and close, so that the second blowing port 115 opens or stops blowing air.
As shown in fig. 3, each second air blowing opening 115 may be provided with one air guide plate group 117, that is, the indoor unit 100 includes a plurality of air guide plate groups 117, and each air guide plate group 117 corresponds to the second air blowing openings 115 one to one. The air deflection group 117 includes at least one air deflection plate 1171, and each air deflection plate 1171 is configured to be rotatable around a respective lateral axis, so as to open and close the corresponding second air blowing opening 115 by using the at least one air deflection plate 1171 of each air deflection group 117, so as to adjust the air outlet direction of the corresponding second air blowing opening 115 or stop the air blowing of the corresponding second air blowing opening 115.
Each air deflection group 117 may include a plurality of air deflection plates 1171, and the plurality of air deflection plates 1171 are distributed along the front-back direction of the casing 110, as shown in fig. 3, each air deflection group 117 includes two air deflection plates 1171. The second air blowing opening 115 may be square, in the embodiment shown in fig. 3, the second air blowing opening 115 is rectangular, the number of the air deflection plate groups 117 is two, and each air deflection plate group 117 includes two air deflection plates 1171 arranged in front of and behind each other.
Since the bypass opening 104 is connected to the corresponding second air blowing opening 115, a third damper is not required to be provided at the bypass opening 104, and the opening and closing of the bypass opening 104 and the second air blowing opening 115 are realized by the air guide plate group 117 described above.
In the wall-mounted air conditioner indoor unit 100 of the present embodiment, the casing 110 is provided with a plurality of first air blowing ports 114 and a plurality of second air blowing ports 115, which have different air blowing directions, and air is selectively blown to the plurality of first air blowing ports 114 and/or the plurality of second air blowing ports 115 by each air blowing assembly. Depending on the heating or cooling mode, the air blowing requirements in different modes are satisfied by opening and closing the first damper 101, the second damper 102, and the air guide plate group 117.
When the wall-mounted air conditioner indoor unit 100 performs cooling, the first damper 101 and the second damper 102 are opened, the air guide plate group 117 is closed, and the respective first air supply outlets 114 supply air to the outside. Specifically, the air flow enters the heat exchange air supply cavity from the air inlet 113, and exchanges heat with the heat exchanger 121. After being pressurized and accelerated by the laminar flow fan 211, the air enters the fan volute 212, and is rectified by the fan volute 212 and sent to the air guide volute 311. Due to the closed air guide plate group 117, the heat exchange air flow is sent out from the jet opening of the air guide 312. Under the acceleration of the jet air ring 3121, the air current makes the jet opening 103 department form powerful negative pressure by the wall effect, inhales its surrounding ambient air from induced air port 118 in induced air duct 303, promotes the air-out temperature after mixing with the heat transfer air current, and the air-out is cool and not cold, and the body feels more comfortable to improved the air supply capacity, made the air current blow forward moreover, avoided cold wind directly to blow the human uncomfortable problem that leads to the fact the human body.
When the wall-mounted air conditioner indoor unit 100 is used for heating, different air supply modes can be selected according to requirements. In the first heating and heat exchanging mode, both the first damper 101 and the second damper 102 are closed, and the air guide plate group 117 is opened to supply air only from the respective second air supply ports 115. Specifically, the air flow enters the heat exchange air supply cavity from the air inlet 113, and exchanges heat with the heat exchanger 121. After being pressurized and accelerated by the laminar flow fan 211, the mixture enters a fan volute 212. Because the first air door 101 and the second air door 102 are both closed, all the air flow enters the fan volute 212, flows to the second air supply outlet 115 through the bypass outlet 104, and is sent out downwards, and the air flow direction can be adjusted to a certain extent through the air deflector 1171 arranged at the second air supply outlet 115. The air flow is sent out downwards, so that foot warming type air supply is realized, and the leg and foot positions of a user can be heated quickly.
In the second heating and heat exchanging mode, the first damper 101 is opened, the second damper 102 is closed, the air guide plate group 117 is opened, and the first air supply ports 114 and the second air supply ports 115 supply air simultaneously. Specifically, the airflow enters the heat exchange air supply cavity from the air inlet 113, exchanges heat with the heat exchanger 121, enters the fan volute 212 after being pressurized and accelerated by the laminar flow fan 211, a part of the airflow is sent to the air guide volute 311 through the rectification of the fan volute 212, and is sent out from the jet opening 103 of the air guide 312 forwards, and because the second air door 102 is closed, the airflow sent out from the first air supply opening 114 is not mixed with the ambient airflow, the temperature of the sent airflow is high, and the indoor temperature is quickly increased; the other part of the airflow flows from the bypass port 104 of the fan volute 212 to the corresponding second air supply port 115 and is sent out downwards to heat the bottom of the room, so that the requirement of heating the whole room is met.
The wall-mounted air conditioner indoor unit 100 of the embodiment has a plurality of first air supply outlets 114 and a plurality of second air supply outlets 115, and the special design positions of the first air supply outlets 114 and the second air supply outlets 115 make the appearance of the wall-mounted air conditioner indoor unit 100 break through the traditional wall-mounted air conditioner form, and the style is novel and unique. In addition, in the indoor unit 100 of the present embodiment, the air supply direction is selected by selecting one or two sets of the first air supply outlet 114 and the second air supply outlet 115 through the air supply assembly to supply air, and the first air supply outlet 114 is provided on the front panel 111 of the casing 110 to supply air to the front of the indoor unit 100, and is suitable for supplying air forward with a large air volume during cooling or heating; the second air supply outlet 115 is disposed at the bottom of the casing 110, and is suitable for supplying air to the feet of the user during heating. In addition, the first air supply outlet 114 can supply air by adopting a jet outlet mode, and sucks and mixes ambient air and heat exchange air flow with severe ambient temperature difference, so that the delivered air flow is soft, comfortable air which is hot but not dry, cool but not cold is formed, the air supply amount is increased, and the flow of indoor air is accelerated.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A wall-mounted air conditioner indoor unit comprising:
the heat exchanger comprises a shell, a heat exchanger, a first air supply outlet, a second air supply outlet and a heat exchanger, wherein a heat exchange air supply cavity is defined in the shell, an air inlet is formed in the rear wall of the shell, the shell is further provided with a plurality of first air supply outlets and a plurality of second air supply outlets, and the orientations of the plurality of first air supply outlets and the plurality of second air supply outlets are set to be different;
the air supply assemblies are arranged in the heat exchange air supply cavity, and each air supply assembly comprises an air supply fan;
the heat exchanger is arranged on an air inlet flow path between the air supply fan and the air inlet so as to exchange heat with ambient air entering from the air inlet, thereby forming heat exchange airflow;
one of the air supply assemblies corresponds to one of the first air supply outlet and the second air supply outlet, and the air supply assembly is configured to guide the heat exchange air flow to the corresponding first air supply outlet and/or the corresponding second air supply outlet so as to supply the heat exchange air flow to an indoor environment;
the at least one air supply fan is a laminar flow fan, the laminar flow fan comprises a plurality of annular discs which are arranged in parallel at intervals and fixedly connected with each other, when the laminar flow fan is driven to rotate, the heat exchange air flow is sucked into a cavity on the radial inner side of the laminar flow fan from one axial end of the laminar flow fan, and then an air boundary layer on the surface of each annular disc is driven by the annular disc to rotate and move from inside to outside along the radial direction due to the viscous effect to form laminar flow air, so that the heat exchange air flow is promoted to flow to the corresponding first air supply outlet and/or the corresponding second air supply outlet;
the distance between every two adjacent annular disks of the laminar flow fan is different, and the distance between every two adjacent annular disks is gradually increased along the axial air inlet direction of the laminar flow fan;
the inner circle diameters of the annular discs of the laminar flow fan are different, and the inner circle diameters of the annular discs are sequentially reduced along the axial air inlet direction of the laminar flow fan.
2. The wall mounted air conditioner indoor unit according to claim 1, wherein
The air supply assembly comprises an air supply part and an air guide part communicated with the air supply part, and the air supply fan is arranged in the air supply part;
the air guide part is provided with a first air supply outlet, and each air guide part is communicated with the corresponding first air supply outlet so as to guide the heat exchange airflow discharged by the air supply fan to the corresponding first air supply outlet;
one air supply part corresponds to one second air supply opening, and each air supply part is communicated with the corresponding second air supply opening, so that the heat exchange airflow discharged by the air supply fan flows to the corresponding second air supply opening.
3. The wall mounted air conditioner indoor unit according to claim 2, wherein
The plurality of air supply assemblies are transversely arranged in the heat exchange air supply cavity at intervals, and the air supply part and the air guide part of the same air supply assembly are transversely distributed;
the first air supply outlets are formed in the area of the front panel of the shell corresponding to each air guide part, and the second air supply outlets are formed in the area of the bottom wall of the shell corresponding to each air supply part.
4. The wall mounted air conditioner indoor unit according to claim 3, wherein
The air inlets are distributed on the rear wall of the shell at intervals transversely, and one group of air inlets correspond to one air supply fan;
the heat exchangers are distributed at intervals transversely and correspond to the air inlets in groups one by one, and the heat exchangers are positioned on an air inlet flow path between a group of air inlets corresponding to the heat exchangers and the air supply fan corresponding to the group of air inlets.
5. The wall mounted air conditioner indoor unit according to claim 3, wherein
Each air supply fan is a laminar flow fan; or, except that part of the air supply fan is a laminar flow fan, the other part of the air supply fan is a centrifugal fan;
the rotation axis of the air supply fan is arranged along the front and back directions of the shell;
the plurality of annular disks of the laminar flow fan are sequentially arranged in parallel at intervals along the front-back direction, and the plurality of annular disks suck the heat exchange airflow into a cavity on the radial inner side of the plurality of annular disks from the axial rear end of the plurality of annular disks when being driven to rotate;
each air supply part comprises a fan volute arranged on the periphery of the corresponding air supply fan, and the fan volute is communicated with the corresponding air guide part; and is
And a bypass port is formed on the bottom wall of the fan volute, and one bypass port is opposite to and connected with one second air supply port.
6. The wall mounted air conditioner indoor unit according to claim 5, wherein
Each wind guide part comprises:
the air guide volute is communicated with the corresponding fan volute, an annular air channel is defined in the air guide volute, an air guide air channel penetrating through the air guide volute from front to back is formed in the center of the annular air channel, and the air guide air channel is opposite to the corresponding first air supply outlet;
the air guide, set up in the induced air wind channel, and with the annular air duct is linked together, the air guide includes a plurality of efflux leebs that extend around the fore-and-aft direction, and each the efflux leeb is along the coaxial distribution of fore-and-aft direction, adjacent two form the efflux mouth between the efflux leeb, the efflux mouth be used for with the air current in annular air duct is spout forward, and drives air in the induced air wind channel is seen off forward.
7. The wall mounted air conditioner indoor unit according to claim 6, wherein
And air induction ports are respectively formed in the positions, opposite to the air induction channels, of the rear wall of the shell, so that when the jet ports eject the air flow of the corresponding annular air channels forwards, the ambient air around the corresponding air induction ports is enabled to flow forwards and enter the air induction channels to be mixed with the heat exchange air blown out from the jet ports.
8. The wall mounted air conditioner indoor unit according to claim 7, wherein
The area of the rear wall of the shell, which is opposite to each air guide piece, is recessed forwards, so that an air circulation area is arranged behind each air inducing opening.
9. The wall mounted air conditioner indoor unit according to claim 7, wherein
Every first air supply opening department is provided with first air door, and every induced air opening department is provided with the second air door, first air door with the second air door is configured into the opening and closing controllably respectively, so that the jet opening and/or the corresponding opening and closing in induced air wind channel.
10. The wall mounted air conditioner indoor unit according to claim 1, further comprising:
the air guide plate groups correspond to the second air supply outlets one by one, each air guide plate group comprises at least one air guide plate, and the air guide plates are configured to rotate around respective transverse axes in a controlled manner so as to open and close the corresponding second air supply outlets by utilizing the at least one air guide plate of each air guide plate group, so that the air outlet directions of the corresponding second air supply outlets are adjusted or the corresponding second air supply outlets stop supplying air.
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| CN201910389757.7A CN110056968B (en) | 2019-05-10 | 2019-05-10 | Wall-mounted air conditioner indoor unit |
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| CN201910389757.7A CN110056968B (en) | 2019-05-10 | 2019-05-10 | Wall-mounted air conditioner indoor unit |
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| CN110056968B true CN110056968B (en) | 2021-04-20 |
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| CN112524693B (en) * | 2020-11-27 | 2022-12-23 | 青岛海尔空调器有限总公司 | Vertical air conditioner indoor unit |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant before: Qingdao Haier Joint Stock Co.,Ltd. |
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