Wall-mounted air conditioner

Abstract

The utility model discloses a wall-mounted type air conditioner which comprises a main body, the main body comprises a machine shell, an indoor heat exchanger, a base, a heat exchange fan and a first motor, the wall-mounted type air conditioner further comprises a second motor, a fresh air fan, an exhaust fan, a fresh air volute and an exhaust volute, the axis of the fresh air fan is parallel to the length direction of the main body, and the axis of the exhaust fan is parallel to the length direction of the main body. At least one part of an air inlet cavity is formed in the fresh air volute, and the air inlet cavity communicates with the fresh air inlet; the wall-mounted air conditioner further comprises a purification part, the purification part is installed in the air inlet cavity and connected with the fresh air volute, and the purification part is located on the peripheral side of the fresh air fan. According to the wall-mounted air conditioner, at least one part of the air inlet cavity is formed by the fresh air volute, the purification part can be located on the peripheral side of the fresh air fan, the axial size occupied by the two-way ventilation assembly is reduced, and therefore the length of the whole wall-mounted air conditioner does not need to be too long, and the length is controllable.

Description

Technical Field

[0001] This utility model relates to the field of air conditioner technology, specifically to a wall-mounted air conditioner. Background Technology

[0002] Currently, most wall-mounted air conditioners are limited by size and weight, and their functions are relatively limited, usually only able to cool or heat indoor air. If users feel that the indoor air is stale or stuffy after running the air conditioner for a long time, the usual operation is to open the window for ventilation. This requires manually opening and closing the window, which is not only inconvenient, but also causes the cool or warm air to escape quickly through the window, affecting people's comfort.

[0003] Some existing technologies include fresh air conditioners where the fresh air module draws in fresh air from the outside, and the exhaust module expels indoor air. However, the fresh air module occupies a large amount of space inside the fresh air conditioner, increasing the overall length of the unit. Utility Model Content

[0004] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a wall-mounted air conditioner that can reduce the overall length of the unit and make the length controllable.

[0005] The wall-mounted air conditioner according to an embodiment of the present invention includes: a main body, the main body comprising: a casing, the interior of which forms a cavity, and a heat exchange air inlet and a heat exchange air outlet formed on the casing, wherein the heat exchange air inlet is located above the heat exchange air outlet in the height direction of the main body; an indoor heat exchanger disposed within the cavity; a base disposed within the cavity, on which a volute air duct is formed; a heat exchange fan disposed within the volute air duct and located on the side of the indoor heat exchanger away from the heat exchange air inlet; and a first motor disposed within the cavity and located at one end in the length direction of the main body, for driving the heat exchange fan to rotate, so that air exchanges heat with the indoor space inside the air conditioner.

[0006] The wall-mounted air conditioner further includes: a second motor, disposed within the accommodating cavity, and located at the other end of the main body along its length; a fresh air fan, which is an axially intake and radially exhaust centrifugal fan, located on the side of the heat exchange fan away from the first motor; and an exhaust fan, which is an axially intake and radially exhaust centrifugal fan, located on the side of the fresh air fan away from the heat exchange fan along the length of the main body; wherein, when in operation, the second motor drives the fresh air fan and the exhaust fan to rotate synchronously.

[0007] The wall-mounted air conditioner further includes: a fresh air volute located on the side of the heat exchange fan away from the first motor, a fresh air duct forming inside the fresh air volute, a fresh air fan installed inside the fresh air volute, a fresh air inlet and a fresh air outlet formed on the fresh air volute, the rotation of the fresh air fan allowing outdoor air to enter the fresh air volute from the fresh air inlet, and allowing outdoor air entering the fresh air volute to enter the room from the fresh air outlet; and an exhaust volute located on the side of the fresh air volute away from the heat exchange fan, an exhaust air duct forming inside the exhaust volute, an exhaust fan installed inside the exhaust volute, an exhaust air inlet and an exhaust air outlet formed on the exhaust volute, the rotation of the exhaust fan allowing indoor air to enter the exhaust volute from the exhaust air inlet, and allowing indoor air entering the exhaust volute to be exhausted to the outside from the exhaust air outlet.

[0008] The axis of the fresh air fan is parallel to the length direction of the main body, and at least a portion of the fresh air volute is formed inside the fresh air volute, which is connected to the fresh air inlet. The wall-mounted air conditioner also includes a purification component, which is installed inside the air inlet and connected to the fresh air volute, and is located around the fresh air fan.

[0009] According to the wall-mounted air conditioner of this utility model embodiment, at least a part of the air intake cavity is formed by the fresh air volute. The purification component can be set around the fresh air fan. In the axial direction of the fresh air fan, the purification component overlaps with the fresh air fan, so that the overall axial dimension of the bidirectional ventilation component is close to the sum of the axial dimensions of the fresh air fan and the exhaust fan. This reduces the axial dimension occupied by the bidirectional ventilation component, so that the overall length of the wall-mounted air conditioner does not need to be too long and the length is controllable.

[0010] In some embodiments, in the height direction of the main body, the fresh air inlet is located below the main body, and the air inlet cavity is at least partially located below the fresh air fan, so that the purification component is located below the fresh air fan.

[0011] In some embodiments, the fresh air volute includes: a volute body located on the side of the exhaust volute facing the heat exchange fan and detachably connected to the exhaust volute, the volute body defining a fresh air volute cavity communicating with the fresh air outlet, and the fresh air fan disposed within the fresh air volute cavity; and a volute cover located on the side of the volute body facing the heat exchange fan and detachably connected to the volute body, the volute body and the volute cover together forming at least a portion of the air inlet cavity, the air inlet cavity communicating with the fresh air volute cavity.

[0012] In some embodiments, the axes of the fresh air fan and the exhaust fan are both parallel to the length direction of the main body; the exhaust volute, the volute body and the volute cover together form the air inlet cavity, and the purification component is also connected to the exhaust volute and located on the periphery of the exhaust fan.

[0013] In some embodiments, an installation port is formed between the exhaust volute and the volute body, and the purification component is detachably assembled into the air inlet cavity through the installation port.

[0014] In some embodiments, the air inlet cavity includes a first air inlet chamber, a second air inlet chamber, and a third air inlet chamber that are interconnected. The volute body and the volute cover together form the first air inlet chamber and the second air inlet chamber. The first air inlet chamber is located at one axial end of the fresh air fan, and the second air inlet chamber is located on the periphery of the fresh air fan. The exhaust volute defines the third air inlet chamber, and the third air inlet chamber is located on the periphery of the exhaust fan. A portion of the purification component is disposed in the second air inlet chamber, and another portion is disposed in the third air inlet chamber.

[0015] In some embodiments, the volute body includes: a first fresh air volute end plate; a fresh air volute surrounding plate extending circumferentially along the first fresh air volute end plate and connected to the side of the first fresh air volute end plate facing the heat exchange fan; a first partition plate disposed within the space enclosed by the fresh air volute surrounding plate; and a second fresh air volute end plate located between the fresh air volute surrounding plate and the volute cover, and detachably connected to the fresh air volute surrounding plate, the volute cover, and the first partition plate.

[0016] The first fresh air volute end plate, the second fresh air volute end plate, the fresh air volute surrounding plate, and one side of the first partition plate together enclose the fresh air volute cavity; the second fresh air volute end plate and the volute cover together enclose the first air inlet chamber; and the other side of the first fresh air volute end plate, the volute cover, the fresh air volute surrounding plate, and the first partition plate together enclose the second air inlet chamber.

[0017] In some embodiments, the first fresh air volute end plate is provided with a through-hole, which connects the second air inlet chamber and the third air inlet chamber.

[0018] In some embodiments, both the fresh air inlet and the fresh air outlet are located on the fresh air volute enclosure.

[0019] In some embodiments, the fresh air volute cavity is located above the second air inlet chamber, the fresh air outlet is located at the front of the fresh air volute enclosure, and the first partition plate extends forward gradually from top to bottom to guide the outdoor air entering the fresh air volute cavity to flow forward to the fresh air outlet.

[0020] In some embodiments, the second motor is an external rotor motor, and the second motor includes: a stator portion having wound coils on the stator portion; a rotor portion disposed around the outside of the stator portion in the radial direction of the stator portion; a motor housing fixedly connected to the rotor portion; and an output shaft fixedly connected to the motor housing.

[0021] The second motor is located inside the fresh air volute cavity, and the motor housing is fixedly connected to the fresh air fan. The output shaft passes through the end plate of the first fresh air volute and is connected to the exhaust fan.

[0022] The fresh air fan includes a fresh air impeller and fresh air blades. The fresh air blades are connected to the side of the fresh air impeller away from the first fresh air volute end plate and extend in a direction away from the first fresh air volute end plate. The side of the fresh air impeller away from the exhaust fan is also provided with a mounting ring. The stator, rotor and motor housing of the second motor are at least partially located inside the mounting ring, and the stator is detachably connected to the second fresh air volute end plate. A plurality of fresh air blades are arranged around the outside of the mounting ring.

[0023] The second fresh air volute end plate has a fixing part in the middle, and the stator part of the second motor is connected to the fixing part; the second fresh air volute end plate is provided with an air inlet grille hole, which is arranged around the outside of the fixing part and connects the fresh air volute cavity and the air inlet cavity.

[0024] In some embodiments, the distance between the second fresh air volute end plate and the volute cover in the extension direction of the fresh air fan axis is 1.5mm-20mm.

[0025] In some embodiments, the exhaust volute includes: an exhaust volute end plate, disposed opposite to the volute body; an exhaust volute surrounding plate, extending circumferentially along the exhaust volute end plate and connecting the exhaust volute end plate and the volute body; and a second partition plate disposed within the space enclosed by the exhaust volute end plate.

[0026] The exhaust volute end plate, the exhaust volute surrounding plate, and one side of the second partition plate together enclose the exhaust volute cavity, and the exhaust fan is disposed in the exhaust volute cavity. The other side of the exhaust volute end plate, the exhaust volute surrounding plate, and the second partition plate together enclose the third air inlet chamber.

[0027] In some embodiments, the exhaust volute cavity is located above the third air inlet chamber, the exhaust outlet is located at the rear of the exhaust volute enclosure, and the second partition plate extends gradually backward from top to bottom to guide the indoor air entering the exhaust volute cavity to flow backward to the exhaust outlet.

[0028] In some embodiments, the exhaust outlet is located at the bottom and rear of the exhaust volute enclosure, and the second partition plate extends gradually from top to bottom and rearward to guide the indoor air in the exhaust volute cavity to flow rearward and downward to the exhaust outlet.

[0029] In some embodiments, the wall-mounted air conditioner further includes: an exhaust valve, movably disposed within the exhaust volute, for opening and closing the exhaust outlet; and an exhaust valve motor for driving the exhaust valve to move.

[0030] In some embodiments, the second partition plate itself or between the second partition plate and the exhaust volute enclosure plate has an air passage for connecting the third air inlet chamber and the exhaust volute chamber; the exhaust valve is rotatably disposed in the exhaust volute chamber to selectively block one of the exhaust outlet and the air passage, and open the other.

[0031] In some embodiments, the exhaust volute enclosure is provided with a purification air inlet, which connects the third air inlet chamber and the indoor space. The rotation of the fresh air fan allows indoor air to enter the fresh air volute from the purification air inlet through the third air inlet chamber, and allows indoor air entering the fresh air volute to enter the room from the fresh air outlet.

[0032] In some embodiments, the wall-mounted air conditioner further includes: a purification valve, movably disposed within the air inlet cavity, for opening and closing the purification air inlet; and a purification valve motor for driving the purification valve to move.

[0033] In some embodiments, the air intake direction of the purification air inlet and the fresh air inlet is consistent, and the purification valve can be slidably disposed in the air intake cavity to selectively block one of the purification air inlet and the fresh air inlet, and open the other.

[0034] In some embodiments, the purification valve motor and the purification valve are connected by a transmission mechanism, which includes a gear and a rack. The gear meshes with the rack so that the purification valve motor drives the purification valve to translate along the length direction of the rack when the gear rotates.

[0035] In some embodiments, the purified air inlet and the fresh air inlet are arranged spaced apart in a direction parallel to the axis of the second motor, and the purified valve is movable in a direction parallel to the axis of the second motor.

[0036] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0037] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0038] Figure 1 This is a perspective view of a wall-mounted air conditioner in some embodiments;

[0039] Figure 2 This is a front view of a wall-mounted air conditioner in some other embodiments (the casing, heat exchange fan, indoor heat exchanger, etc. are hidden in the figure).

[0040] Figure 3 This is a partial structural schematic diagram of a wall-mounted air conditioner in some embodiments;

[0041] Figure 4 This is a partial structural diagram of a wall-mounted air conditioner in some embodiments;

[0042] Figure 5 This is a perspective view of the bidirectional ventilation assembly in one direction in some embodiments;

[0043] Figure 6 for Figure 5 A perspective view of the bidirectional ventilation assembly shown in the image from another direction;

[0044] Figure 7 for Figure 5 A side view of the bidirectional ventilation assembly shown;

[0045] Figure 8 For along Figure 7 Structural cross-sectional view of line AA in the middle;

[0046] Figure 9 for Figure 8 An enlarged view of section B shown;

[0047] Figure 10 for Figure 8 The diagram shows the structure of the second motor.

[0048] Figure 11 for Figure 5 An exploded view of the structure of the bidirectional ventilation assembly shown in the figure;

[0049] Figure 12 This is a perspective view of the bidirectional ventilation assembly in one direction in some other embodiments;

[0050] Figure 13 for Figure 12 An exploded view of the structure of the bidirectional ventilation assembly shown in the figure;

[0051] Figure 14 for Figure 13 An enlarged view of section C shown;

[0052] Figure 15 This is a perspective view of the bidirectional ventilation assembly in one direction in some embodiments;

[0053] Figure 16 for Figure 15 A side view of the bidirectional ventilation assembly shown;

[0054] Figure 17 For along Figure 16 Structural cross-sectional view of the DD line in the middle;

[0055] Figure 18 for Figure 17 An enlarged view of part E shown;

[0056] Figure 19 This is a perspective view of the bidirectional ventilation assembly in one direction in some embodiments;

[0057] Figure 20 for Figure 19 An exploded view of the structure of the bidirectional ventilation assembly shown in the figure;

[0058] Figure 21 for Figure 20 An enlarged view of part F shown in the diagram;

[0059] Figure 22 This is a perspective view of the bidirectional ventilation assembly in one direction in some other embodiments;

[0060] Figure 23 for Figure 22 An exploded view of the structure of the bidirectional ventilation assembly shown in the figure;

[0061] Figure 24 for Figure 23 An enlarged view of section G shown;

[0062] Figure 25 for Figure 23 The diagram shows the structure of the exhaust volute and the exhaust fan.

[0063] Figure 26 This is a perspective view of a bidirectional ventilation assembly in one direction in some embodiments, wherein the fresh air inlet is connected to the fresh air intake pipe, and the exhaust outlet is connected to the exhaust outlet pipe.

[0064] Figure 27 for Figure 26 The two-way ventilation assembly shown is a perspective view from another direction.

[0065] Figure label:

[0066] 10000 wall-mounted air conditioner

[0067] Main body 1000, bidirectional ventilation assembly 2000

[0068] Housing 1, accommodating cavity V1, first chamber V11, second chamber V12

[0069] Heat exchanger air inlet 101, heat exchanger air outlet 102, casing air inlet 103, first ventilation duct V04, casing air outlet 105.

[0070] Indoor heat exchanger 2

[0071] Base 3, volute air duct V03, end plate 31

[0072] Heat exchange fan 41, first motor 42

[0073] Second motor 5, stator 51, rotor 52, motor housing 531, output shaft 532

[0074] 6. Fresh air fan; 61. Fresh air impeller; 62. Fresh air blades; 63. Mounting ring.

[0075] 7. Exhaust fan; 71. Exhaust wheel; 72. Exhaust blades; 72. Blade side edge; 73. Side edge recess.

[0076] Fresh air volute 8, fresh air duct V01, fresh air volute cavity V011, air inlet cavity V012, first air inlet chamber V0121, second air inlet chamber V0122, third air inlet chamber V0123, fresh air inlet 801, fresh air outlet 802, mounting port 803.

[0077] 81. Volute body, first fresh air volute end plate, 811, opening, fresh air volute enclosure plate, 812, first partition plate, 813, second fresh air volute end plate, fixing part, 8141, air inlet grille hole, 8142.

[0078] 82. Volute cover

[0079] Exhaust volute 9, exhaust duct V02, exhaust volute cavity V021, exhaust inlet 901, exhaust outlet 902, purification inlet 904, exhaust volute end plate 91, air guide ring 911, exhaust volute enclosure plate 92, second partition plate 93, air passage 931.

[0080] Purification component 11, filter screen 111, electrical control box 13, fresh air inlet pipe 141, exhaust air outlet pipe 142, fresh air adapter 143, exhaust air adapter 144.

[0081] Fresh air valve 151, fresh air valve motor 152

[0082] Exhaust valve 161, exhaust valve motor 162

[0083] Purification valve 171, purification valve motor 172, transmission mechanism 173, gear 1731, rack 1732. Detailed Implementation

[0084] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0085] In the description of this utility model, it should be understood that the terms "center," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0086] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0087] This application describes the structure of a wall-mounted air conditioner.

[0088] Before proceeding, let's introduce the structure of a common air conditioner. The most common type of air conditioner is the split-type air conditioner, which consists of an indoor unit and an outdoor unit. The indoor and outdoor units are connected by pipes to transfer refrigerant. The indoor unit includes an indoor heat exchanger and a heat exchange fan.

[0089] The outdoor unit includes a compressor, an outdoor heat exchanger, an outdoor fan, and a throttling device. The compressor, outdoor heat exchanger, throttling device, and indoor heat exchanger are connected in sequence to form a refrigerant circuit. The refrigerant circulates in the refrigerant circuit and exchanges heat with the air through the outdoor heat exchanger and the indoor heat exchanger, respectively, to achieve the air conditioner's cooling mode or heating mode.

[0090] The compressor is configured to compress the refrigerant so that the low-pressure refrigerant is compressed to form a high-pressure refrigerant.

[0091] The outdoor heat exchanger is configured to exchange heat between outdoor air and refrigerant transported within it. For example, in the cooling mode of the air conditioner, the outdoor heat exchanger operates as a condenser, causing the refrigerant compressed by the compressor to dissipate heat to the outdoor air and condense. In the heating mode of the air conditioner, the outdoor heat exchanger operates as an evaporator, causing the depressurized refrigerant to absorb heat from the outdoor air and evaporate.

[0092] In some embodiments, the outdoor heat exchanger further includes heat exchange fins to increase the contact area between the outdoor air and the refrigerant transported in the outdoor heat exchanger, thereby improving the heat exchange efficiency between the outdoor air and the refrigerant.

[0093] The outdoor fan is configured to draw in outside air into the outdoor unit and expel the outdoor air, which has been heated by the outdoor heat exchanger, to the outside. The outdoor fan provides power for the flow of outdoor air.

[0094] A throttling device connects the outdoor and indoor heat exchangers. It regulates the refrigerant pressure flowing through both devices, thereby controlling the refrigerant flow rate between them. The flow rate and pressure of the refrigerant between the outdoor and indoor heat exchangers affect their heat exchange performance. The throttling device can be a throttling tube, an electronic valve, etc. When the throttling device is an electronic valve, its opening is adjustable to regulate the refrigerant flow rate and pressure.

[0095] In some designs, the air conditioner also includes a four-way valve connected to the refrigerant circuit. The four-way valve is configured to switch the flow direction of the refrigerant in the refrigerant circuit so that the air conditioner can perform cooling mode or heating mode.

[0096] An indoor heat exchanger is configured to exchange heat between indoor air and a refrigerant transported within the indoor heat exchanger. In some embodiments, the indoor heat exchanger further includes heat exchange fins to increase the contact area between the indoor air and the refrigerant transported within the indoor heat exchanger, thereby improving the heat exchange efficiency between the indoor air and the refrigerant.

[0097] The heat exchange fan is configured to draw indoor air into the indoor unit and deliver the indoor air, after heat exchange with the indoor heat exchanger, into the room, providing power for the flow of indoor air.

[0098] Air conditioners also include a control unit, which is mainly used to control the compressor's operating frequency and the opening degree of the throttling device. Some control units can also control the speed of the outdoor fan and the heat exchange fan. The control unit is connected to the compressor, throttling device, outdoor fan, and heat exchange fan via data cables to transmit communication information.

[0099] The control device includes a processor, which may include a central processing unit (CPU), a microprocessor, or an application-specific integrated circuit (ASIC), and may be configured to perform the corresponding operations described in the control device when the processor executes a program stored in a non-transitory computer-readable medium coupled to the control device.

[0100] Non-transitory computer-readable storage media may include magnetic storage devices (e.g., hard disks, floppy disks, or magnetic tapes), smart cards, or flash memory devices (e.g., erasable programmable read-only memory (EPROM), cards, sticks, or keyboard drives).

[0101] This utility model discloses a wall-mounted air conditioner, which is an indoor unit. Wall-mounted air conditioners are typically installed on a wall, for example, in the upper area of ​​an interior wall.

[0102] The following description, with reference to the accompanying drawings, describes a wall-mounted air conditioner 10000 according to an embodiment of the present invention.

[0103] Reference Figure 1 and Figure 2 The wall-mounted air conditioner 10000 according to an embodiment of the present utility model includes: a main body 1000.

[0104] The main body 1000 includes: a housing 1, the interior of which forms a cavity V1. The housing 1 constitutes the overall external structure of the wall-mounted air conditioner 10000 and can play a protective role.

[0105] Typically, the casing 1 is a long, rectangular shell, with its length positioned horizontally, meaning it is mounted on the wall laterally. In some actual products, to facilitate the drainage of condensate, the casing 1 is mounted horizontally on the wall at a small angle to the horizontal plane.

[0106] Reference Figure 3 and Figure 4 The main body 1000 also includes an indoor heat exchanger 2, which is disposed within the accommodating cavity V1. As described above, the indoor heat exchanger 2 is a loop in the refrigerant circuit, through which refrigerant flows for cooling or heating the air flowing from the surface of the indoor heat exchanger 2. In the wall-mounted air conditioner 10000, the indoor heat exchanger 2 typically extends along the length of the casing 1. For example, the indoor heat exchanger 2 is a two-fold or three-fold heat exchanger, where each fold of the indoor heat exchanger 2 is a plate-like structure extending along the length.

[0107] Reference Figures 2-4 The main body 1000 also includes a base 3, which is located inside the accommodating cavity V1. The base 3 is an internal mounting support structure of the main body 1000, and the indoor heat exchanger 2 can be installed on the base 3. Specifically, a volute air duct V03 is formed on the base 3. After the indoor air enters the casing 1, it is guided by the volute air duct V03 to ensure that the indoor air encounters less resistance when flowing through the indoor heat exchanger 2.

[0108] Reference Figure 4 The main body 1000 also includes a heat exchange fan 41, which is disposed within the volute duct V03. In this application, the heat exchange fan 41 can be a cross-flow fan, which has low noise and large air volume. Furthermore, the outlet air velocity of the cross-flow fan is more evenly distributed along its axial direction, which is beneficial for increasing the air delivery distance and range. Moreover, using a cross-flow fan, and having it positioned along the length of the main body 1000, facilitates the flow of the driven airflow through the entire indoor heat exchanger 2, ensuring a balanced heat exchange efficiency across all components of the indoor heat exchanger 2.

[0109] Reference Figure 4 The main body 1000 also includes a first motor 42, which is disposed in the accommodating cavity V1. The first motor 42 is used to drive the heat exchange fan 41 to rotate so that the air inside the air conditioner exchanges heat with the indoor space.

[0110] Please refer to this again. Figures 1-4 The casing 1 has a heat exchange air inlet 101 and a heat exchange air outlet 102. When the heat exchange fan 41 is running, it draws indoor air into the casing 1 through the heat exchange air inlet 101. After heat exchange with the indoor heat exchanger 2, the heat-exchanged air is sent to the room through the heat exchange air outlet 102.

[0111] This allows for the regulation of indoor ambient temperature. The indoor heat exchanger 2 can function as an evaporator, so that the heat exchange outlet 102 provides cooling airflow toward the indoor space, or the indoor heat exchanger 2 can function as a condenser, so that the heat exchange outlet 102 provides heating airflow toward the indoor space.

[0112] In this application, the heat exchange air inlet 101 is located above the heat exchange air outlet 102 in the height direction of the main body 1000, which facilitates air intake from above and air exhaust from below. In this application, the height direction of the main body 1000 is the vertical direction.

[0113] Understandably, the main unit 1000 is usually installed on the wall, and to avoid interfering with people's daily lives, it is typically hung at a high position. By setting the main unit 1000 to blow out heat exchange air from below, the blown heat exchange air is less likely to be blocked by the roof or ground. This results in less resistance and energy loss during the air blowing process, a wider air delivery range, and allows the heat exchange air to flow throughout the entire indoor space as quickly as possible, thus improving heat exchange efficiency.

[0114] Reference Figure 1 The heat exchange air inlet 101 is located above the heat exchange air outlet 102. The heat exchange air inlet 101 can take in air from above, which can avoid taking in air from the heat exchange air outlet 102 and prevent the heat exchange air from being blown out of the heat exchange air outlet 102 and directly sucked into the heat exchange air inlet 101, thus reducing the process of heat exchange air idling without participating in the indoor heat exchange.

[0115] In some specific embodiments, the heat exchange air inlet 101 is located at the top of the housing 1, that is, in an area that the user cannot see. Hiding the heat exchange air inlet 101 can improve the aesthetics of the appearance.

[0116] In some embodiments, the heat exchange outlet 102 is located directly in front of the housing 1, that is, the heat exchange outlet 102 blows air towards the front of the main body 1000. It can be understood that the side of the main body 1000 connected to the wall is usually referred to as the back or rear side, and the side opposite to the rear side is referred to as the front side. Therefore, when the heat exchange outlet 102 is located directly in front of the housing 1, the air outlet is away from the wall, the airflow resistance is small, and the air delivery range is wide.

[0117] In some other embodiments, the heat exchange outlet 102 is located on the front side of the housing 1 and near the bottom. It can also be said that the heat exchange outlet 102 is located at the lower front corner of the housing 1. In this case, the heat exchange air blown out by the heat exchange outlet 102 flows forward and downward at the same time. This allows the heat exchange air to sink and fall on people or objects on the ground after being delivered a certain distance, so that people or objects on the ground can be in a comfortable indoor environment as soon as possible.

[0118] In this application, the heat exchange fan 41 is located on the side of the indoor heat exchanger 2 away from the heat exchange air inlet 101. It can be understood that the heat exchange fan 41 is a power drive component that drives the indoor air to exchange heat with the indoor heat exchanger 2 by rotation, and it is also a power drive component for air supply.

[0119] By placing the heat exchange fan 41 on the side of the indoor heat exchanger 2 away from the heat exchange inlet 101, the aerodynamic force generated when the heat exchange fan 41 rotates can be evenly distributed. Part of it is distributed to the air inlet side, so that the air drawn in can overcome the wind resistance generated by the indoor heat exchanger 2 when it flows into the volute air duct V03. The other part is distributed to the air outlet side, so that the air after heat exchange can be transported a longer distance when it is blown out from the heat exchange outlet 102.

[0120] In this application, such as Figure 4 As shown, the first motor 42 is located at one end of the length of the main body 1000. This facilitates the installation and maintenance of the first motor 42, and the main body 1000 as a whole does not need to become excessively tall or thick due to the placement of the first motor 42. Here, the height direction of the main body 1000 is consistent with the vertical direction, and the thickness direction of the main body 1000 is consistent with the front-to-back direction.

[0121] Reference Figure 2 In this application, the wall-mounted air conditioner 10000 also includes a second motor 5, which is disposed in the accommodating cavity V1 and located at the other end of the length direction of the main body 1000.

[0122] In this way, the first motor 42 and the second motor 5 are located at both ends of the length direction of the main body 1000. On the one hand, the two motors are separated and far apart, resulting in less electromagnetic interference between them. On the other hand, the two motors are arranged at both ends of the length direction of the main body 1000, rather than in the thickness or height direction of the main body 1000, so that the main body 1000 of the wall-mounted air conditioner 10000 has a slender shape, and is thin and light.

[0123] Reference Figures 5-8 The wall-mounted air conditioner 10000 also includes: a fresh air fan 6, which is a centrifugal fan with axial air intake and radial air outlet, and the fresh air fan 6 is located on the side of the heat exchange fan 41 away from the first motor 42.

[0124] Reference Figures 5-8 The wall-mounted air conditioner 10000 also includes an exhaust fan 7, which is a centrifugal fan with axial air intake and radial air outlet. In the length direction of the main body 1000, the exhaust fan 7 is located on the side of the fresh air fan 6 away from the heat exchange fan 41.

[0125] Among them, the second motor 5 drives the fresh air fan 6 and the exhaust fan 7 to rotate synchronously when in operation.

[0126] Centrifugal fans are characterized by their compact structure, large air volume, and low noise. Furthermore, the fan noise decreases significantly as the speed decreases. Therefore, smaller centrifugal fans can be used for the fresh air fan 6 and exhaust fan 7 to meet the high air volume requirements. The low vibration and noise of centrifugal fans make them less likely to resonate with the indoor heat exchanger 2, effectively controlling the overall vibration and noise of the wall-mounted air conditioner 10000.

[0127] Both the fresh air fan 6 and the exhaust fan 7 are centrifugal fans, allowing for a more efficient arrangement of their airflow directions. Specifically, the fresh air fan 6 draws in air axially and exits radially, while the exhaust fan 7 draws in air axially and exits radially. The fresh air fan 6 and exhaust fan 7 draw in air from opposite ends, and then both are driven to exit radially. The flow paths of the fresh air and exhaust air do not need to overlap axially, and their paths do not need to intersect. This helps reduce the need for bends and turns in the fresh air and exhaust paths, reducing wind resistance and energy consumption, ensuring airflow, and lowering noise.

[0128] Reference Figure 2 and Figure 8 The wall-mounted air conditioner 10000 also includes: a fresh air volute 8, which is located on the side of the heat exchange fan 41 away from the first motor 42. A fresh air duct V01 is formed inside the fresh air volute 8. A fresh air fan 6 is installed inside the fresh air volute 8. A fresh air inlet 801 and a fresh air outlet 802 are formed on the fresh air volute 8. The rotation of the fresh air fan 6 allows outdoor air to enter the fresh air volute 8 through the fresh air inlet 801, and allows the outdoor air entering the fresh air volute 8 to enter the room through the fresh air outlet 802.

[0129] Reference Figure 2 and Figure 8 The wall-mounted air conditioner 10000 also includes: an exhaust volute 9, located on the side of the fresh air volute 8 away from the heat exchange fan 41; an exhaust duct V02 is formed inside the exhaust volute 9; an exhaust fan 7 is installed inside the exhaust volute 9; and an exhaust air inlet 901 and an exhaust air outlet 902 are formed on the exhaust volute 9. Rotation of the exhaust fan 7 allows indoor air to enter the exhaust volute 9 through the exhaust air inlet 901, and allows indoor air entering the exhaust volute 9 to be exhausted to the outside through the exhaust air outlet 902.

[0130] In other words, the fresh air fan 6 is located on the side of the exhaust fan 7 closest to the indoor heat exchanger 2, and the exhaust fan 7 is located on the side of the fresh air fan 6 furthest from the indoor heat exchanger 2. The fresh air volute 8 is located on the side of the exhaust volute 9 closest to the indoor heat exchanger 2, and the exhaust volute 9 is located on the side of the fresh air volute 8 furthest from the indoor heat exchanger 2.

[0131] In this application, a fresh air module is constructed by a fresh air volute 8 and a fresh air fan 6. The fresh air fan 6 is installed inside the fresh air duct V01 and is used to drive airflow to be drawn in from the fresh air inlet 801 and discharged into the room through the fresh air outlet 802. The operation of the fresh air fan 6 provides the power for the flow of fresh air.

[0132] Therefore, by setting up a fresh air duct V01 in conjunction with a fresh air fan 6, when the indoor air is relatively polluted or the air quality is average, the fresh air fan 6 can drive relatively fresh outdoor air into the indoor environment to improve the indoor airflow environment.

[0133] In this application, the exhaust volute 9 and the exhaust fan 7 constitute an exhaust module. The exhaust fan 7 is installed inside the exhaust duct V02 and is used to drive airflow to be drawn in from the exhaust inlet 901 and discharged from the room through the exhaust outlet 902. The operation of the exhaust fan 7 provides the power for the flow of polluted air.

[0134] Therefore, by setting up exhaust duct V02 in conjunction with exhaust fan 7, when the indoor air is relatively polluted or the air quality is average, the exhaust fan 7 can draw away and exhaust the polluted airflow in the indoor space. After the indoor air volume is reduced, fresh air will be drawn in from the outside or from other rooms through doors and windows, thereby reducing the degree of indoor air pollution.

[0135] Reference Figure 2 and Figure 8 The axis of the fresh air fan 6 is parallel to the length direction of the main body 1000. At least a part of the air inlet cavity V012 is formed inside the fresh air volute 8, and the air inlet cavity V012 is connected to the fresh air inlet 801. That is to say, a part of the air inlet cavity V012 is located inside the fresh air volute 8.

[0136] The wall-mounted air conditioner 10000 also includes a purification component 11, which is installed inside the air inlet cavity V012. The rotation of the fresh air fan 6 allows outdoor air to enter the fresh air volute 8 through the fresh air inlet 801, and also allows the outdoor air entering the fresh air volute 8 to pass through the purification component 11 before entering the room through the fresh air outlet 802, thus purifying the fresh air entering the room and improving the cleanliness of the indoor air. The purification component 11 is connected to the fresh air volute 8 and the exhaust volute 9, facilitating the assembly of the purification component 11.

[0137] Furthermore, the purification component 11 is located around the fresh air fan 6. Along the axial direction of the fresh air fan 6, the purification component 11 overlaps with the fresh air fan 6, making the overall axial dimension of the bidirectional ventilation assembly 2000 close to the sum of the axial dimensions of the fresh air fan 6 and the exhaust fan 7. This reduces the axial dimension occupied by the bidirectional ventilation assembly 2000, thus allowing the overall length of the wall-mounted air conditioner 10000 to be less than excessive and its length to be controllable.

[0138] In this application, the second motor 5, the fresh air fan 6, the exhaust fan 7, the fresh air volute 8, and the exhaust volute 9 constitute a bidirectional ventilation assembly 2000, which is installed within the main body 1000. The bidirectional ventilation assembly 2000 can provide fresh air to the room and exhaust indoor air to the outside.

[0139] It should be noted that the operating mode of the bidirectional ventilation component 2000 in the wall-mounted air conditioner 10000 can be set according to actual usage needs. In some embodiments, the bidirectional ventilation component 2000 can operate in both fresh air mode and exhaust mode simultaneously, that is, the fresh air duct V01 and the exhaust air duct V02 can be opened at the same time. While the indoor stale airflow flows to the outdoor space, the outdoor fresh airflow can also enter the indoor space. Through the combination of inlet and outlet airflow, the efficiency of airflow improvement in the indoor space is increased, thereby meeting the user's needs in a timely manner when the user urgently needs to exhaust or refresh the indoor air.

[0140] Furthermore, because it simultaneously exhausts indoor air to the outside and replenishes it with fresh outdoor air, maintaining a sufficient indoor air volume, it makes it easier to remove indoor air. For example, if there are irritating gases (such as gases released from home decoration materials), gas, or other gas leaks indoors, the bidirectional ventilation component 2000 can be set to operate in both fresh air mode and exhaust mode simultaneously, achieving rapid air exchange. Compared to conventional fresh air structures that simply introduce fresh air, the bidirectional ventilation component 2000 of this application has a larger purification flow rate per unit time, higher ventilation efficiency, and faster purification effect.

[0141] Furthermore, the ventilation system avoids rapid airflow like opening a window, which could cause drastic temperature changes and discomfort for occupants due to sudden temperature fluctuations. Also, the main structure is positioned at a relatively high elevation, ensuring that ventilation points are not too close to people, thus preventing discomfort.

[0142] In other embodiments, the bidirectional ventilation assembly 2000 can selectively operate in either a fresh air mode or an exhaust mode. Specifically, when the bidirectional ventilation assembly 2000 is in fresh air mode, the exhaust mode is disabled, and only the fresh air duct V01 is ventilated, while the exhaust duct V02 is not. Alternatively, when the bidirectional ventilation assembly 2000 is in exhaust mode, the fresh air mode is disabled, and the fresh air duct V01 is not ventilated, while the exhaust duct V02 is ventilated.

[0143] In some embodiments, a two-way ventilation assembly 2000 is provided inside the wall-mounted air conditioner 10000, such as... Figure 8 As shown, the bidirectional ventilation assembly 2000 includes: a second motor 5, a fresh air fan 6, an exhaust fan 7, a fresh air volute 8, and an exhaust volute 9.

[0144] In this embodiment, the fresh air fan 6 is a centrifugal fan with axial air intake and radial air outlet, and the fresh air fan 6 is located on the side of the heat exchange fan 41 away from the first motor 42.

[0145] In this embodiment, the exhaust fan 7 is a centrifugal fan with axial air intake and radial air exhaust. Along the length of the main body 1000, the exhaust fan 7 is located on the side of the fresh air fan 6 away from the heat exchange fan 41. The second motor 5 drives the fresh air fan 6 and the exhaust fan 7 to rotate synchronously when in operation.

[0146] In this embodiment, such as Figure 8 As shown, a fresh air duct V01 is formed inside the fresh air volute 8. A fresh air fan 6 is installed inside the fresh air volute 8. As shown in the figure, a fresh air inlet 801 and a fresh air outlet 802 are formed on the fresh air volute 8. The rotation of the fresh air fan 6 allows outdoor air to enter the fresh air volute 8 through the fresh air inlet 801, and allows outdoor air entering the fresh air volute 8 to enter the room through the fresh air outlet 802.

[0147] In this embodiment, such as Figure 8 As shown, the exhaust volute 9 is located on the side of the fresh air volute 8 away from the heat exchange fan 41. An exhaust duct V02 is formed inside the exhaust volute 9. The exhaust fan 7 is installed inside the exhaust volute 9. An exhaust air inlet 901 and an exhaust air outlet 902 are formed on the exhaust volute 9. The rotation of the exhaust fan 7 allows indoor air to enter the exhaust volute 9 from the exhaust air inlet 901 and allows the indoor air entering the exhaust volute 9 to be exhausted to the outside from the exhaust air outlet 902.

[0148] In this embodiment, the axes of the fresh air fan 6 and the exhaust fan 7 are parallel to the length direction of the main body 1000. The fresh air volute 8 and the exhaust volute 9 together form an air inlet cavity V012, which is connected to the fresh air inlet 801.

[0149] In this embodiment, the wall-mounted air conditioner 10000 further includes: a purification component 11, which is installed in the air inlet cavity V012, and is connected to the fresh air volute 8 and the exhaust volute 9. The purification component 11 is located around the fresh air fan 6 and the exhaust fan 7.

[0150] In this embodiment, the second motor 5 is located at the end of the main body 1000 along its length, and the axial direction of the second motor 5 is arranged along the length of the main body 1000. The second motor 5 serves as the common power source for the fresh air module and the exhaust air module of the bidirectional ventilation assembly 2000. To ensure the operation of the fresh air module and the exhaust air module, the second motor 5 needs sufficient operating power to drive sufficient airflow. Based on the power requirements of the second motor 5, the second motor 5 needs to be of a sufficiently large size.

[0151] In this embodiment, given that the dimensions of the second motor 5 are roughly determined, the arrangement of the fresh air module and the exhaust module considers how to utilize the space occupied by the second motor 5 while minimizing the amount of additional space required. Specifically, in this embodiment, both the fresh air fan 6 and the exhaust fan 7 are centrifugal fans connected to the same motor. This not only saves on the number of motors but also ensures that the two centrifugal fans are stacked along the axial direction of the second motor 5, that is, stacked along the length of the main body 1000.

[0152] In this embodiment, the centrifugal fan itself is relatively flat in the axial direction. The stacking of the fresh air fan 6 and the exhaust fan 7 in this way can reduce the overall axial dimension occupied, so that the overall length of the wall-mounted air conditioner 10000 does not need to be too long. Since the fresh air fan 6 and the exhaust fan 7 are connected to the same motor and rotate synchronously, they are in sync and do not need to be separated by a large gap. The axial distance between the fresh air fan 6 and the exhaust fan 7 can be arranged relatively close.

[0153] It should be noted that when describing the internal structure of the bidirectional ventilation assembly 2000, the terms "axial", "radial", and "circumferential" are all based on the axial, radial, and circumferential directions of the motor. That is, the direction parallel to the extension direction of the output shaft 532 of the second motor 5 is the axial direction, the direction perpendicular to the extension direction of the output shaft 532 is the radial direction, and the direction around the output shaft 532 is the circumferential direction.

[0154] In the above solution, by utilizing at least a portion of the air inlet cavity V012 formed within the fresh air volute 8, the purification component 11 can be positioned around the fresh air fan 6. Along the axial direction of the fresh air fan 6, the purification component 11 overlaps with the fresh air fan 6, making the overall axial dimension of the bidirectional ventilation assembly 2000 close to the sum of the axial dimensions of the fresh air fan 6 and the exhaust fan 7. This reduces the axial dimension occupied by the bidirectional ventilation assembly 2000, thus allowing the overall length of the wall-mounted air conditioner 10000 to be controllable. Furthermore, the area of ​​the purification component 11 can be increased, thereby improving purification efficiency.

[0155] In this embodiment, placing the fresh air fan 6 on the side of the exhaust fan 7 facing the indoor heat exchanger 2 can reduce the loss of cold or heat in the room and improve the comfort of fresh air when it is blown into the room. Specifically, the fresh air module where the fresh air fan 6 is located is close to the indoor heat exchanger 2. The fresh air drawn in from the outside can absorb the cold or heat released by the indoor heat exchanger 2 before being blown into the room, so that the fresh air is as close as possible to the indoor temperature before being blown into the room.

[0156] In this way, when the wall-mounted air conditioner 10000 is cooling, the fresh air absorbs the cooling capacity of the indoor heat exchanger 2, lowering the temperature of the incoming fresh air and preventing hot outdoor air from being directly blown into the room. When the wall-mounted air conditioner 10000 is heating, the fresh air absorbs the heat of the indoor heat exchanger 2, raising the temperature of the incoming fresh air and preventing cold outdoor air from being directly blown into the room. Furthermore, the exhaust module containing the exhaust fan 7 is far from the indoor heat exchanger 2, resulting in less cooling or heating capacity absorbed from the indoor air after it is drawn in, and less cooling or heating capacity is lost when exhausted outdoors.

[0157] In this embodiment, the fresh air fan 6 is positioned on the side of the exhaust fan 7 facing the indoor heat exchanger 2. This reduces the amount of condensate entering the air duct when the indoor heat exchanger 2 is cooling. Specifically, the exhaust volute 9 of the exhaust module has an exhaust inlet 901 that draws air from the room, and the exhaust fan 7 draws air axially. Therefore, the exhaust inlet 901 is located on the side of the exhaust volute 9 away from the indoor heat exchanger 2. When there is condensate on one side of the indoor heat exchanger 2, the condensate is less likely to be drawn into the exhaust duct V02 by the exhaust module, reducing the risk of water accumulation and bacterial growth in the exhaust duct V02. Similarly, when the fresh air module draws air from the outside when the fresh air fan 6 is rotating, the condensate on the indoor heat exchanger 2 will not be drawn into the fresh air duct V01, further reducing the risk of water accumulation and bacterial growth in the fresh air duct V01.

[0158] In this embodiment, the exhaust fan 7 is located on the side of the fresh air fan 6 away from the indoor heat exchanger 2. Therefore, the exhaust fan 7, which needs to draw air from the room, consumes less energy for air intake. Specifically, when the wall-mounted air conditioner 10000 is cooling or heating, the heat exchange fan 41 operates to drive indoor air to flow through the indoor heat exchanger 2. The exhaust fan 7 is located at the end of the main body 1000, and its air intake end is far from the air intake end of the heat exchange fan 41. The exhaust fan 7 does not need to draw air from the air intake end of the heat exchange fan 41, thus reducing its air intake energy consumption. This ensures sufficient exhaust airflow and sufficient indoor air flow through the indoor heat exchanger 2 to obtain adequate heat exchange air, thereby keeping the overall energy consumption of the wall-mounted air conditioner 10000 from being too high.

[0159] In this embodiment, the fresh air module and exhaust module are effectively integrated, allowing both modules to utilize their respective structural and spatial characteristics to achieve a flattened design. This not only reduces the overall size and weight of the bidirectional ventilation component 2000, making it lighter and more compact, but also ensures that the air ducts do not interfere with each other. The bidirectional ventilation component 2000 is located at one end of the length of the main body 1000. Compared to the main body 1000 without the bidirectional heat exchange component, it only increases the lateral length. The height and thickness of the main body 1000 can remain largely unchanged or only slightly altered, resulting in a slim and lightweight design. When mounted on a wall, it will not obtrusively affect the interior space layout, and its excessive weight will not make it difficult to secure the wall-mounted air conditioner 10000, reducing the risk of it falling off the wall. The wall-mounted air conditioner 10000 remains a slim and lightweight model, making it aesthetically pleasing when mounted on the wall, with manageable weight and safe operation.

[0160] Optionally, refer to Figure 11 The purification component 11 includes a filter 111, which is located around the fresh air fan 6 and the exhaust fan 7. Specifically, part of the filter 111 is located inside the fresh air volute 8, and another part is located inside the exhaust volute 9, resulting in a large coverage area and excellent filtration effect. The filter 111's placement helps ensure sufficient contact area with the flowing air, while also being lightweight and producing low noise. Optionally, the filter 111 is made of HEPA mesh, thus possessing strong adsorption capacity and a powerful effect on filtering dust from the air.

[0161] Optionally, the filter screen 111 is plate-shaped, so that the filter screen 111 is relatively thin and will not take up too much space when placed in the two-way ventilation component 2000.

[0162] Optionally, the shape of the filter 111 can be adapted to the internal shape of the fresh air volute 8 and the exhaust volute 9, which facilitates the positioning and installation of the filter 111.

[0163] Optionally, the part of the air inlet cavity V012 away from the fresh air fan 6 is a cavity, that is, the space between the oncoming air from the purification component 11 and the inner surface of the fresh air volute 8 and the exhaust volute 9 is a cavity. In this way, the cavity is in a negative pressure state when the fresh air fan 6 is running, so that the airflow can automatically flow into the cavity from the fresh air inlet 801, reducing the air flow resistance.

[0164] The cavity is equivalent to the air intake negative pressure chamber of the fresh air fan 6. The design of the air intake negative pressure chamber has many advantages:

[0165] I. Improve air intake efficiency. Specifically, by setting up a negative pressure chamber, the buffer space on the intake side of the fresh air fan 6 is increased, making it easier for the fresh air fan 6 to draw in air, thereby increasing the air intake volume of the fresh air fan 6. Moreover, the existence of the negative pressure chamber allows the fresh air to be buffered and adjusted before entering the fresh air fan 6, reducing fluctuations and turbulence in the fresh air flow, which helps to improve the air intake stability of the fresh air fan 6. Without the cavity and buffer space, the flow resistance would increase, and the operating power consumption of the fresh air fan 6 would rise.

[0166] II. Optimize airflow distribution. Specifically, the negative pressure chamber buffers and guides the airflow, which is beneficial for drawing fresh air into the fan 6 along the axial direction.

[0167] Third, reduce airflow impact and absorb noise.

[0168] In this way, while increasing the air intake volume of the fresh air module, it also improves the overall air intake reliability and stability.

[0169] In some embodiments, the exhaust fan 7 may be made of plastic, thus being lightweight and low-cost. However, this application is not limited to this; the exhaust fan 7 may also be made of resin, metal, or other materials.

[0170] In some embodiments, the fresh air fan 6 may be made of plastic, thus being lightweight and low-cost. However, this application is not limited to this; the fresh air fan 6 may also be made of resin, metal, or other materials.

[0171] Similarly, the exhaust volute 9 can be made of plastic, thus being lightweight and low-cost. Optionally, the exhaust volute 9 can be an injection-molded part. Of course, the present application is not limited to this; the exhaust volute 9 can also be made of metal, etc.

[0172] The fresh air volute 8 can be made of plastic, thus being lightweight and low-cost. Optionally, the fresh air volute 8 can be injection molded. Of course, the present application is not limited to this; the fresh air volute 8 can also be made of metal, etc.

[0173] In some embodiments, please refer to Figure 5 and Figure 8 In the height direction of the main body 1000, the fresh air inlet 801 is located below the main body 1000, and the air inlet cavity V012 is at least partially located below the fresh air fan 6 7, so that the purification component 11 is located below the fresh air fan 6.

[0174] In this way, the fresh airflow can blow almost vertically over the purification component 11, further reducing the consumption of fresh air intake and thus increasing the fresh air volume. Moreover, when the indoor heat exchanger 2 is in cooling mode, causing condensation to form in the fresh air, the condensation can remain on the purification component 11 as the air flows through it, further preventing water from being blown out when the fresh air module exits.

[0175] Reference Figure 8 and Figure 11 In some embodiments, the fresh air volute 8 includes: a volute body 81, which is located on the side of the exhaust volute 9 facing the heat exchange fan 41, and the volute body 81 is detachably connected to the exhaust volute 9. The volute body 81 defines a fresh air volute cavity V011, which is connected to a fresh air outlet 802. The fresh air fan 6 is disposed in the fresh air volute cavity V011.

[0176] The fresh air volute 8 also includes a volute cover 82, which is located on the side of the volute body 81 facing the heat exchange fan 41, and the volute cover 82 is detachably connected to the volute body 81. The volute body 81 and the volute cover 82 together form at least a portion of the air inlet cavity V012, and the air inlet cavity V012 is connected to the fresh air volute cavity V011.

[0177] With this configuration, a portion of the air inlet chamber V012 can be formed at the air inlet end of the fresh air volute chamber V011. The air inlet chamber V012 can be used to contain air, allowing the air entering the air inlet chamber V012 to enter the fresh air fan 6 vertically along the axis, thereby improving the air intake efficiency of the fresh air fan 6 and reducing air intake loss.

[0178] The volute cover 82 is located on the side of the volute body 81 facing the heat exchange fan 41, thus separating the fresh air volute cavity V011 from the heat exchange fan 41 and the indoor heat exchanger 2. When the indoor heat exchanger 2 is cooling, it absorbs heat from the air inlet cavity V012, gradually lowering the fresh air temperature. Because of the separation provided by the volute cover 82, the indoor heat exchanger 2 is farther from the fresh air volute cavity V011, reducing the cooling capacity of the indoor heat exchanger 2 on the air inside the fresh air volute cavity V011, making it less likely for the air inside the fresh air volute cavity V011 to become overcooled and condensate.

[0179] In this way, even if the incoming fresh air is cooled, it will not become too cold and produce condensation. Furthermore, even if condensation occurs in the air intake cavity V012, the condensate tends to remain within V012 and is less likely to enter the fresh air volute cavity V011 and be blown into the room, thus preventing water from being blown out of the fresh air module. When the indoor heat exchanger 2 is heating, it absorbs the cold air from the air intake cavity V012, gradually increasing the temperature of the fresh air. The heated air then enters the fresh air volute cavity V011 and mixes thoroughly, resulting in warmer air being blown out of the fresh air module.

[0180] Reference Figure 8 and Figure 11 In other embodiments, the axes of the fresh air fan 6 and the exhaust fan 7 are both parallel to the length direction of the main body 1000.

[0181] The exhaust volute 9, the volute body 81, and the volute cover 82 together form the air inlet cavity V012. That is to say, the exhaust volute 9 and the fresh air volute 8 together form the air inlet cavity V012, with a part of the air inlet cavity V012 located inside the fresh air volute 8 and another part located inside the exhaust volute 9.

[0182] The purification component 11 is also connected to the exhaust volute 9, and the purification component 11 is located on the periphery of the exhaust fan 7. In the axial direction of the fresh air fan 6 and the exhaust fan 7, the purification component 11 almost overlaps with the fresh air fan 6 and the exhaust fan 7, so that the overall axial dimension of the bidirectional ventilation assembly 2000 is close to the sum of the axial dimensions of the fresh air fan 6 and the exhaust fan 7, reducing the axial dimension occupied by the bidirectional ventilation assembly 2000, thereby making the overall length of the wall-mounted air conditioner 10000 less than necessary and the length controllable.

[0183] In some embodiments, an installation port 803 is formed between the exhaust volute 9 and the volute body 81, through which the purification component 11 can be detachably assembled into the air inlet cavity V012. This facilitates the disassembly of the purification component 11 when it is damaged or saturated, making it convenient for maintenance or replacement.

[0184] Specifically, such as Figure 5 and Figure 11 As shown, the mounting port 803 is formed between the exhaust volute 9 and the volute body 81. The purification component 11 is detachably assembled into the air inlet cavity V012 through the mounting port 803. This allows the mounting port 803 to be set to a larger size, facilitating the installation of larger purification components 11. When the mounting port 803 is larger, it is formed by the exhaust volute 9 and the volute body 81, with open semi-openings on both the exhaust volute 9 and the volute body 81, facilitating processing or demolding and resulting in a low scrap rate.

[0185] Reference Figures 12-14 In some embodiments, the fresh air inlet 801 is located in the volute body 81, and the wall-mounted air conditioner 10000 also includes a fresh air valve 151, which is movably disposed in the air inlet cavity V012 and is used to open and close the fresh air inlet 801.

[0186] When the fresh air valve 151 opens the fresh air inlet 801 and the fresh air fan 6 rotates, outdoor air can enter the fresh air volute 8 through the fresh air inlet 801, and outdoor air entering the fresh air volute 8 can enter the room through the fresh air outlet 802. When the fresh air valve 151 closes the fresh air inlet 801, outdoor air cannot enter the fresh air volute 8 through the fresh air inlet 801, and the air inside the fresh air volute 8 cannot be exhausted to the room through the fresh air inlet 801. By controlling the state of the fresh air valve 151, the opening or closing of the fresh air inlet 801 can be achieved.

[0187] With the exhaust outlet 902 open, switching the fresh air valve 151 opens the fresh air inlet 801, allowing the bidirectional ventilation assembly 2000 to operate in both fresh air and exhaust modes simultaneously. Switching the fresh air valve 151 closes the fresh air inlet 801, causing the bidirectional ventilation assembly 2000 to operate only in exhaust mode. Therefore, by controlling the state of the fresh air valve 151, the bidirectional ventilation assembly 2000 can switch between fresh air-exhaust mode and exhaust mode.

[0188] By installing the fresh air valve 151 inside the air inlet cavity V012, that is, installing the fresh air valve 151 inside the space enclosed by the exhaust volute 9 and the volute body 81, the external components of the exhaust volute 9 and the fresh air volute 8 do not need to avoid the fresh air valve 151. The opening and closing of the fresh air inlet 801 by the fresh air valve 151 will not hit the external components of the exhaust volute 9 and the fresh air volute 8. Furthermore, the exhaust volute 9 and the fresh air volute 8 provide protection for the fresh air valve 151, which helps to extend the service life of the fresh air valve 151.

[0189] Reference Figures 12-14 The wall-mounted air conditioner 10000 also includes a fresh air valve motor 152, used to drive the fresh air valve 151. The fresh air valve motor 152 and the fresh air valve 151 can be directly connected or indirectly connected through a transmission structure. The fresh air valve motor 152 provides power for the fresh air valve 151 to open or close the fresh air inlet 801, facilitating the control of the opening and closing of the fresh air inlet 801 by controlling the fresh air valve 151.

[0190] Reference Figure 8 and Figure 11 In some embodiments, the air inlet chamber V012 includes a first air inlet chamber V0121, a second air inlet chamber V0122, and a third air inlet chamber V0123 that are interconnected.

[0191] The volute body 81 and the volute cover 82 together form a first air inlet chamber V0121 and a second air inlet chamber V0122. The first air inlet chamber V0121 is located at one end of the axial direction of the fresh air fan 6, and the second air inlet chamber V0122 is located on the periphery of the fresh air fan 6. The exhaust volute 9 defines a third air inlet chamber V0123, and the third air inlet chamber V0123 is located on the periphery of the exhaust fan 7. A part of the purification component 11 is disposed in the second air inlet chamber V0122, and the other part of the purification component 11 is disposed in the third air inlet chamber V0123.

[0192] With this configuration, the first air inlet chamber V0121 can be formed at the air inlet end of the fresh air volute chamber V011. The first air inlet chamber V0121 can accommodate air, allowing the air entering the air inlet chamber V012 to enter the fresh air fan 6 vertically along the axis, thereby improving the air intake efficiency of the fresh air fan 6 and reducing air intake loss. The second air inlet chamber V0122 is located on the periphery of the fresh air fan 6, and the third air inlet chamber V0123 is located on the periphery of the exhaust fan 7. This means that the purification component 11 hardly occupies the axial space in the fresh air volute 8 and the exhaust volute 9, reducing the axial dimension occupied by the bidirectional ventilation assembly 2000. As a result, the overall length of the wall-mounted air conditioner 10000 does not need to be too long, and the length is controllable.

[0193] Reference Figure 11 In some embodiments, the volute body 81 includes a first fresh air volute end plate 811 and a fresh air volute surrounding plate 812, the fresh air volute surrounding plate 812 extending circumferentially along the first fresh air volute end plate 811 and connected to the side of the first fresh air volute end plate 811 facing the heat exchange fan 41.

[0194] The volute body 81 also includes a first partition plate 813, which is disposed within the space enclosed by the fresh air volute enclosure plate 812. The first partition plate 813 can divide the space enclosed by the first fresh air volute end plate 811 and the fresh air volute enclosure plate 812 into at least two spaces, that is, to partition the space enclosed by the first fresh air volute end plate 811 and the fresh air volute enclosure plate 812.

[0195] The volute body 81 also includes a second fresh air volute end plate 814, which is located between the fresh air volute enclosure 812 and the volute cover 82. The second fresh air volute end plate 814 is detachably connected to the fresh air volute enclosure 812, the volute cover 82 and the first partition plate 813.

[0196] The first fresh air volute end plate 811, the second fresh air volute end plate 814, the fresh air volute surrounding plate 812, and the first partition plate 813 together enclose one side of the fresh air volute cavity V011. The second fresh air volute end plate 814 and the volute cover 82 together enclose the first air inlet chamber V0121. The other side of the first fresh air volute end plate 811, the volute cover 82, the fresh air volute surrounding plate 812, and the first partition plate 813 together enclose the second air inlet chamber V0122.

[0197] In the above scheme, by setting the volute body 81 to the above structure, the volute body 81 and the volute cover 82 can be used to define the first air inlet chamber V0121 and the second air inlet chamber V0122. Setting the first air inlet chamber V0121 allows air to enter the fresh air fan 6 vertically along the axis, thereby improving the air intake efficiency of the fresh air fan 6 and reducing air intake loss. Setting the second air inlet chamber V0122 makes the purification component 11 occupy almost no axial space of the fresh air volute 8, reducing the axial dimension occupied by the bidirectional ventilation component 2000, so that the overall length of the wall-mounted air conditioner 10000 does not need to be too long and the length is controllable.

[0198] Reference Figure 13 In some embodiments, the first fresh air volute end plate 811 is provided with a through port 8111, which connects the second air inlet chamber V0122 and the third air inlet chamber V0123.

[0199] Specifically, on the plane of the first fresh air volute end plate 811, the projection of the opening 8111 is located between the side of the first partition plate 813 away from the fresh air volute cavity V011 and the fresh air volute enclosure plate 813. The shape of the opening 8111 can be consistent with the cross-sectional shape of the second air inlet chamber V0122 or the third air inlet chamber V0123 perpendicular to the axis of the fresh air fan 6, so that the opening 8111 connects the second air inlet chamber V0122 and the third air inlet chamber V0123.

[0200] The exhaust volute 9 is open at one end facing the volute body 81. The open end of the exhaust volute 9 is connected to the volute body 81, forming a separate exhaust volute cavity V021 and a third air inlet cavity V0123, so that the port 8111 connects the second air inlet cavity V0122 and the third air inlet cavity V0123.

[0201] Reference Figure 5 and Figure 11 In some embodiments, both the fresh air inlet 801 and the fresh air outlet 802 are located on the fresh air volute enclosure 812, which facilitates the entry of outdoor air into the fresh air volute 8 through the fresh air inlet 801, and facilitates the exhaust of air entering the fresh air volute cavity V011 into the room through the fresh air outlet 802, without occupying the space in the length direction of the wall-mounted air conditioner 10000, making the overall length of the wall-mounted air conditioner 10000 controllable.

[0202] Reference Figure 8 and Figure 11In some embodiments, the fresh air volute cavity V011 is located above the second air inlet cavity V0122, and the fresh air outlet 802 is located at the front of the fresh air volute enclosure 812. When the fresh air fan 6 rotates, outdoor air can enter the fresh air volute 8 from the fresh air inlet 801, flow through the air inlet cavity V012 and the fresh air volute cavity V011 in sequence, and then be discharged from the fresh air outlet 802, flowing forward into the room.

[0203] The fresh air outlet 802 is located at the front of the fresh air volute enclosure 812. The front panel of the housing 1 can be provided with a housing outlet 105 corresponding to the position of the fresh air outlet 802, so that fresh air can be blown directly out from the front panel. The fresh air display effect is good, ensuring that the fresh air can be delivered to the ground and that the fresh air can be delivered to a sufficiently long distance.

[0204] The first partition plate 813 extends forward from top to bottom in at least part to guide the outdoor air entering the fresh air volute cavity V011 to flow forward to the fresh air outlet 802.

[0205] Specifically, the first partition plate 813 extends in the front-to-back direction. The rear portion of the first partition plate 813 can be an arc-shaped structure, and it transitions smoothly to the rear arc of the fresh air volute enclosure 812. The front portion of the first partition plate 813 is a straight structure extending horizontally from back to front, and it connects to the front of the fresh air volute enclosure 812. When the fresh air fan 6 is working, the air entering the fresh air volute cavity V011 can flow forward along the first partition plate 813 and then be discharged from the fresh air outlet 802.

[0206] Therefore, the setting of the first partition plate 813 can not only divide the interior of the volute body 81, but also guide the air in the fresh air volute cavity V011 to flow towards the fresh air outlet 802, which facilitates air discharge, helps to reduce wind resistance, and ensures the air volume of the fresh air outlet 802.

[0207] Reference Figures 8-10 In some embodiments, the second motor 5 includes a stator 51 and a rotor 52, which are part of the main body 1000 of the second motor 5. The stator 51 has coils wound on it, which generate an alternating magnetic field when alternating current is applied, and the rotor 52 is induced and rotates in the alternating magnetic field.

[0208] The second motor 5 is an external rotor motor, with the rotor portion 52 arranged around the outside of the stator portion 51 in the radial direction. Choosing an external rotor motor for the second motor 5 not only simplifies its structure but also allows for a larger diameter due to the rotor portion 52's radial arrangement around the stator portion 51. This results in greater torque and makes it suitable for low-speed, high-torque, and direct-drive applications. In other words, when the second motor 5 outputs power, a speed reducer is not needed for torque amplification, saving space occupied by a speed reducer.

[0209] In addition, the rotor section 52 is located radially outside the stator section 51, with a large heat dissipation area and good heat dissipation performance, which is beneficial to the stable operation of the second motor 5. Moreover, with this arrangement, the diameter of the second motor 5 can be controlled to be smaller, without encroaching on the airflow channel space.

[0210] Reference Figure 10 The second motor 5 also includes a motor housing 531, which supports and protects the main body 1000 of the second motor 5. The motor housing 531 is fixedly connected to the rotor portion 52, allowing the motor housing 531 and the rotor portion 52 to rotate synchronously. This allows the rotor portion 52 to be fixed via the motor housing 531, facilitating connection to external structures.

[0211] Reference Figure 10 The second motor 5 also includes an output shaft 532, which is fixedly connected to the motor housing 531, so that the output shaft 532, the motor housing 531 and the rotor part 52 rotate synchronously.

[0212] The second motor 5 is located inside the fresh air volute cavity V011, and the motor housing 531 is fixedly connected to the fresh air fan 6. The output shaft 532 passes through the first fresh air volute end plate 811 and is connected to the exhaust fan 7.

[0213] The second motor 5 is installed inside the fresh air volute cavity V011. The outdoor air entering the fresh air volute cavity V011 can carry the heat of the second motor 5, thereby improving the working efficiency of the second motor 5.

[0214] In some embodiments, refer to Figure 8 and Figure 11 The fresh air fan 6 includes a fresh air impeller 61 and fresh air blades 62. The fresh air blades 62 are connected to the side of the fresh air impeller 61 away from the first fresh air volute end plate 811 and extend in a direction away from the first fresh air volute end plate 811. The blade tube formed by the circumferential arrangement of the fresh air blades 62 is open at the axial air intake end, which facilitates airflow intake, reduces airflow resistance, and ensures the intake volume of fresh air.

[0215] A mounting ring 63 is also provided on the side of the fresh air impeller 61 away from the exhaust fan 7. Multiple fresh air blades 62 are arranged around the outside of the mounting ring 63. The second motor 5 is at least partially located inside the mounting ring 63. Specifically, at least a portion of the stator 51, rotor 52, and motor housing 531 of the second motor 5 are located inside the mounting ring 63. In other words, the fresh air fan 6 is fitted radially outside the second motor 5 via the mounting ring 63.

[0216] The second motor 5 is an external rotor motor, and the fresh air fan 6 is mounted on the radial outer side of the motor housing 531. This means that part of the second motor 5 is embedded in the fresh air fan 6 within the motor housing 531, and part of the output shaft 532 is embedded in the exhaust fan 7. This makes the second motor 5 almost overlap with the exhaust fan 7 and the fresh air fan 6 in the length direction of the main body 1000, so that the axial portion of the exhaust fan 7 and the fresh air fan 6 outside the second motor 5 is smaller. This makes the overall axial dimension of the bidirectional ventilation assembly 2000 close to that of the second motor 5, thus making the length dimension of the wall-mounted air conditioner 10000 controllable.

[0217] Furthermore, because the second motor 5 uses an external rotor motor suitable for low-speed, high-torque, and direct-drive scenarios, a reducer is unnecessary. The fresh air fan 6 can be directly mounted radially outside the motor housing 531. This not only avoids increasing the overall axial dimension of the reducer but also avoids complicating the structural layout. Simply fixing the fresh air fan 6 to the motor housing 531 and connecting the exhaust fan 7 to the output shaft 532 of the second motor 5 allows the exhaust fan 7 and fresh air fan 6 to be coaxially stacked, enabling them to rotate synchronously with a small gap, eliminating the need for excessive spacing. This also ensures that the overall axial dimension of the bidirectional ventilation assembly 2000 is close to that of the second motor 5, making the length of the wall-mounted air conditioner 10000 controllable.

[0218] Furthermore, the stator portion 51 of the second motor 5 is detachably connected to the second fresh air volute end plate 814, meaning the second fresh air volute end plate 814 can serve as a motor bracket to support the second motor 5, improving the installation reliability and stability of the second motor 5. Here, the stator portion 51 can be understood as the fixed structure in the second motor 5, including but not limited to the stator core.

[0219] Reference Figure 8 and Figure 11 In some embodiments, the middle part of the second fresh air volute end plate 814 has a fixing part 8141, and the stator part 51 of the second motor 5 is connected to the fixing part 8141. For example, the fixing part 8141 and the motor housing 531 of the second motor 5 can be connected together by a snap-fit ​​method; as another example, the fixing part 8141 and the motor housing 531 of the second motor 5 can be connected together by fasteners.

[0220] Furthermore, the second fresh air volute end plate 814 is provided with an air inlet grille hole 8142, which is arranged around the outside of the fixing part 8141 and connects the fresh air volute cavity V011 and the air inlet cavity V012.

[0221] The second fresh air volute end plate 814 not only serves as a motor bracket for the second motor 5, supporting the second motor 5 and improving the installation reliability and stability of the second motor 5, but also acts as an air inlet grille. On the one hand, it connects the fresh air volute cavity V011 and the air inlet cavity V012 to achieve the air intake effect. On the other hand, it can protect the second motor 5 and reduce the entry of foreign objects into the fresh air volute cavity V011.

[0222] Reference Figure 8 In some embodiments, the distance L between the second fresh air volute end plate 814 and the volute cover 82 in the extension direction of the fresh air fan 6 axis is 1.5mm-20mm. For example, L can be 1.5mm, 5mm, 10mm, 15mm, 20mm, etc.

[0223] If the distance L between the second fresh air volute end plate 814 and the volute cover 82 in the direction of extension of the fresh air fan 6 axis is too large, the size of the bidirectional ventilation assembly 2000 will be too large, increasing the overall length of the wall-mounted air conditioner 10000. If the distance L between the second fresh air volute end plate 814 and the volute cover 82 in the direction of extension of the fresh air fan 6 axis is too small, it will affect airflow and increase airflow noise. Therefore, in the above solution, by limiting the distance L between the second fresh air volute end plate 814 and the volute cover 82 in the direction of extension of the fresh air fan 6 axis to the above range, airflow noise can be reduced while decreasing the overall length of the unit.

[0224] Reference Figure 8 and Figure 11 In some embodiments, the fresh air fan 6 includes a fresh air impeller 61 and fresh air blades 62. The fresh air blades 62 are connected to the fresh air impeller 61 and are multiple in number and arranged circumferentially. A rounded transition corner structure is provided at the connection between the fresh air blades 62 and the fresh air impeller 61. This reduces the concentrated stress at the connection between the fresh air blades 62 and the fresh air impeller 61, improving overall strength. Furthermore, when airflow flows axially towards the fresh air impeller 61, the airflow can be guided by the rounded transition corner structure under pressure difference, flowing more smoothly towards the fresh air blades 62, thereby helping to reduce energy consumption.

[0225] Reference Figure 2In some embodiments, the volute cover 82 has a positioning protrusion (not shown) on the side facing the indoor heat exchanger 2. The base 3 has an end plate 31 at one end near the volute cover 82, which is used to mount the indoor heat exchanger 2 and the heat exchange fan 41; a positioning recess is formed on the end plate 31, and the positioning protrusion and the positioning recess interlock to make the volute cover 82 at least partially overlap the base 3 in the lateral direction. In this way, on the one hand, the positioning protrusion and the positioning recess interlock to position the bidirectional ventilation assembly 2000, and on the other hand, the overall lateral dimension can be reduced so that the wall-mounted air conditioner 10000 is not too long.

[0226] Reference Figure 8 and Figure 11 In some embodiments, the exhaust volute 9 includes an exhaust volute end plate 91, which is disposed opposite to the volute body 81.

[0227] The exhaust volute 9 also includes an exhaust volute enclosure plate 92, which extends circumferentially along the exhaust volute end plate 91 and connects the exhaust volute end plate 91 with the volute body 81.

[0228] The exhaust volute 9 also includes a second partition plate 93, which is disposed within the space enclosed by the exhaust volute end plate 91. The second partition plate 93 can divide the space enclosed by the exhaust volute end plate 91 and the exhaust volute surrounding plate 92 into at least two spaces, that is, to partition the space enclosed by the exhaust volute end plate 91 and the exhaust volute surrounding plate 92.

[0229] Among them, the exhaust volute end plate 91, the exhaust volute surrounding plate 92, and the second partition plate 93 together enclose the exhaust volute cavity V021, and the exhaust fan 7 is located in the exhaust volute cavity V021. The exhaust volute end plate 91, the exhaust volute surrounding plate 92, and the second partition plate 93 together enclose the third air inlet chamber V0123.

[0230] In the above scheme, by setting the exhaust volute 9 to the above structure, the exhaust volute 9 and the fresh air volute 8 can be used to define the exhaust volute cavity V021 and the third air inlet chamber V0123. Setting the exhaust volute cavity V021 allows air to enter the exhaust fan 7 vertically along the axis, thereby improving the air intake efficiency of the exhaust fan 7 and reducing air intake loss. Setting the third air inlet chamber V0123 makes the purification component 11 occupy almost no axial space of the exhaust volute 9, reducing the axial dimension occupied by the bidirectional ventilation component 2000, so that the overall length of the wall-mounted air conditioner 10000 does not need to be too long and the length is controllable.

[0231] Reference Figure 6 , Figure 8 and Figure 11In some embodiments, the exhaust outlet 902 is located on the exhaust volute enclosure 92 and communicates with the exhaust volute cavity V021. This arrangement facilitates the exhaust of air entering the exhaust volute cavity V021 through the exhaust outlet 902 into the room without occupying space along the length of the wall-mounted air conditioner 10000, thus making the overall length of the wall-mounted air conditioner 10000 controllable.

[0232] Reference Figure 6 and Figure 11 In some embodiments, the exhaust volute cavity V021 is located above the third air inlet cavity V0123, the exhaust outlet 902 is located at the rear of the exhaust volute enclosure 92, and the second partition plate 93 extends at least partially from top to bottom and gradually backward to guide the indoor air entering the exhaust volute cavity V021 to flow backward to the exhaust outlet 902.

[0233] Specifically, the second partition plate 93 extends in the front-to-back direction. The front part of the second partition plate 93 can be an arc-shaped structure, which is connected to the front arc transition of the exhaust volute enclosure plate 92. The rear part of the second partition plate 93 is a straight structure that extends horizontally from front to back, and is connected to the rear part of the exhaust volute enclosure plate 92. When the exhaust fan 7 is working, the air entering the exhaust volute cavity V021 can flow backward along the second partition plate 93 and then be discharged from the exhaust outlet 902.

[0234] Therefore, the setting of the second partition plate 93 can not only divide the interior of the exhaust volute 9, but also guide the air in the exhaust volute cavity V021 to flow backward to the exhaust outlet 902, which facilitates air discharge, helps to reduce wind resistance, and ensures the air volume of the exhaust outlet 902.

[0235] Reference Figure 12 and Figure 13 In some embodiments, the exhaust outlet 902 is located at the bottom and rear of the exhaust volute enclosure 92, and the second partition 93 extends gradually from top to bottom and rearward to guide the indoor air in the exhaust volute cavity V021 to flow backward and downward to the exhaust outlet 902.

[0236] Specifically, the second partition plate 93 extends in the front-to-back direction. The front part of the second partition plate 93 can be an arc-shaped structure, which is connected to the front arc transition of the exhaust volute enclosure plate 92. The rear part of the second partition plate 93 is a straight structure that gradually extends downward from front to back, and is connected to the lower part of the exhaust volute enclosure plate 92. When the exhaust fan 7 is working, the air entering the exhaust volute cavity V021 can flow backward and downward along the second partition plate 93, and then be discharged from the exhaust outlet 902.

[0237] Therefore, in the above scheme, the setting of the second partition plate 93 can not only divide the interior of the exhaust volute 9, but also guide the air in the exhaust volute cavity V021 to flow backward and downward to the exhaust outlet 902, which facilitates air discharge, helps to reduce wind resistance, and ensures the air volume of the exhaust outlet 902.

[0238] Reference Figures 15-18 ,as well as Figures 19-21 In some embodiments, the wall-mounted air conditioner 10000 further includes an exhaust valve 161, which is movably disposed within the exhaust volute 9 and is used to open and close the exhaust outlet 902.

[0239] When exhaust valve 161 opens exhaust outlet 902 and exhaust fan 7 rotates, indoor air can enter exhaust volute 9 from exhaust inlet 901, and indoor air entering exhaust volute 9 can be exhausted to the outside from exhaust outlet 902. When exhaust valve 161 closes exhaust outlet 902, indoor air in exhaust volute 9 cannot be exhausted to the outside from exhaust outlet 902, and outdoor air cannot enter the room through exhaust outlet 902. By controlling the state of exhaust valve 161, the opening or closing of exhaust outlet 902 can be achieved.

[0240] With the fresh air inlet 801 open, switching the exhaust valve 161 opens the exhaust outlet 902, allowing the bidirectional ventilation assembly 2000 to operate simultaneously in both fresh air and exhaust modes. Switching the exhaust valve 161 closes the exhaust outlet 902, causing the bidirectional ventilation assembly 2000 to operate only in fresh air mode. Therefore, by controlling the state of the exhaust valve 161, the bidirectional ventilation assembly 2000 can switch between fresh air-exhaust mode and fresh air mode.

[0241] By installing the exhaust valve 161 inside the exhaust volute 9, the external components of the exhaust volute 9 do not need to avoid the exhaust valve 161. The opening and closing of the exhaust outlet 902 by the exhaust valve 161 will not hit the external components of the exhaust volute 9. Furthermore, the exhaust volute 9 protects the exhaust valve 161, which helps to extend the service life of the exhaust valve 161.

[0242] Reference Figures 15-18 ,as well as Figures 19-21 The wall-mounted air conditioner 10000 also includes an exhaust valve motor 162, used to drive the exhaust valve 161. The exhaust valve motor 162 and the exhaust valve 161 can be directly connected or indirectly connected through a transmission structure. The exhaust valve motor 162 provides power to the exhaust valve 161 to open or close the exhaust outlet 902, facilitating the control of the opening and closing of the exhaust outlet 902 by controlling the exhaust valve 161.

[0243] Reference Figures 15-18 In some embodiments, the wall-mounted air conditioner includes a fresh air valve 151 and an exhaust valve 161. The fresh air valve 151 is movably disposed in the air inlet cavity V012 and is used to open and close the fresh air inlet 801. The exhaust valve 161 is movably disposed in the exhaust volute 9 and is used to open and close the exhaust outlet 902.

[0244] When the wall-mounted air conditioner 10000 is turned off, it does not work. The fresh air valve 151 closes the fresh air inlet 801, and the exhaust valve 161 closes the exhaust outlet 902 to prevent outdoor air from entering the room through the fresh air inlet 801 and the exhaust outlet 902, and to prevent indoor air from exchanging with outdoor air through the bidirectional ventilation assembly 2000.

[0245] In related technologies, people's requirements for fresh air are constantly increasing, and the demand for fresh air volume is getting bigger and bigger. Traditional air intake and exhaust modules, while introducing outdoor fresh air into the room, also exhaust indoor air to the outside, causing large fluctuations in indoor temperature and affecting user experience. When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 of this application is in fresh air mode, the fresh air valve 151 opens the fresh air inlet 801 and the exhaust valve 161 closes the exhaust outlet 902. At this time, when the second motor 5 drives the fresh air fan 6 and the exhaust fan 7 to rotate simultaneously, outdoor air enters the fresh air duct V01 through the fresh air inlet 801 and is then blown into the room through the fresh air outlet 802. The exhaust fan 7 only rotates idly in the exhaust volute 9. Since the exhaust duct V02 is closed at the exhaust outlet 902, the air in the exhaust duct V02 does not flow, which reduces the operating noise of the bidirectional ventilation component 2000. At the same time, indoor air cannot be exhausted to the outside through the exhaust outlet 902, resulting in small changes in indoor temperature and a better user experience.

[0246] In related technologies, people's requirements for fresh air are constantly increasing, and the demand for fresh air volume is getting bigger and bigger. In low or high temperature weather, such as winter and summer, after outdoor fresh air is introduced into the room, the temperature difference between indoor and outdoor air is large, which will cause large fluctuations in indoor temperature and affect the user experience. When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 of this application is in exhaust mode, the fresh air valve 151 closes the fresh air inlet 801, and the exhaust valve 161 opens the exhaust outlet 902. At this time, when the second motor 5 drives the fresh air fan 6 and the exhaust fan 7 to rotate simultaneously, the indoor air enters the exhaust duct V02 through the exhaust inlet 901 and is then blown to the outside through the exhaust outlet 902. The fresh air fan 6 only rotates idling in the fresh air volute 8. Since the fresh air duct V01 is closed at the fresh air inlet 801, the air in the fresh air duct V01 does not flow, which reduces the operating noise of the bidirectional ventilation component 2000. At the same time, the air in this room is exhausted to the outside, and the air in the room is replenished by the air in other rooms. Since the temperature difference between the air in other rooms and the air in this room is small, the indoor temperature changes little, resulting in a better user experience.

[0247] The 10000 wall-mounted air conditioner features a fresh air mode, an exhaust mode, and an exhaust-fresh air mode.

[0248] When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 is in exhaust-fresh air mode, the fresh air valve 151 opens the fresh air inlet 801, and the exhaust valve 161 opens the exhaust outlet 902. The exhaust-fresh air mode can be activated when the temperature difference between indoor and outdoor air is small to meet the needs of users in various scenarios. At this time, when the second motor 5 drives the fresh air fan 6 and the exhaust fan 7 to rotate simultaneously, outdoor air enters the fresh air duct V01 through the fresh air inlet 801 and is then blown into the room through the fresh air outlet 802. Indoor air enters the exhaust duct V02 through the exhaust air inlet 901 and is then blown out through the exhaust outlet 902.

[0249] When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 is in fresh air mode, the fresh air valve 151 opens the fresh air inlet 801 and the exhaust valve 161 closes the exhaust outlet 902.

[0250] When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 is in exhaust mode, the fresh air valve 151 closes the fresh air inlet 801 and the exhaust valve 161 opens the exhaust outlet 902.

[0251] Therefore, in the above scheme, by setting the fresh air valve 151, the opening and closing of the fresh air inlet 801 can be controlled, and by setting the exhaust valve 161, the opening and closing of the exhaust outlet 902 can be controlled, thereby making the fresh air and exhaust process of the wall-mounted air conditioner 10000 controllable.

[0252] Reference Figures 22-25 In some embodiments, the second partition plate 93 itself has an air passage 931, or the second partition plate 93 and the exhaust volute enclosure plate 92 have an air passage 931, the air passage 931 being used to connect the third air inlet chamber V0123 and the exhaust volute chamber V021.

[0253] The exhaust valve 161 is rotatably disposed in the exhaust volute cavity V021 to selectively block one of the exhaust outlet 902 and the air inlet 931, and open the other of the two.

[0254] Specifically, the 10000 wall-mounted air conditioner has an exhaust mode and a purification mode.

[0255] When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 is in exhaust mode, the exhaust valve 161 is rotated to the position of opening the exhaust outlet 902 and blocking the air passage 931. The third air inlet chamber V0123 and the exhaust volute chamber V021 are not connected. The exhaust fan 7 rotates, which allows indoor air to enter the exhaust volute 9 from the exhaust inlet 901 and allows the indoor air entering the exhaust volute 9 to be exhausted to the outside from the exhaust outlet 902.

[0256] When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 is in purification mode, the exhaust valve 161 is rotated to the position of blocking the exhaust outlet 902 and opening the air passage 931. The third air inlet chamber V0123 and the exhaust volute chamber V021 are connected. The exhaust fan 7 rotates, allowing indoor air to enter the exhaust volute 9 from the exhaust inlet 901, flow through the air passage 931 into the third air inlet chamber V0123, be filtered by the purification component 11, and finally be exhausted into the room from the fresh air outlet 802, thereby increasing the amount of air purified and improving the user experience.

[0257] In an embodiment where a fresh air valve 151 is provided in the air inlet cavity V012 for opening and closing the fresh air inlet 801, the wall-mounted air conditioner 10000 also has a fresh air mode and an exhaust-fresh air mode.

[0258] When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 is in fresh air mode, the exhaust valve 161 blocks the exhaust outlet 902 and opens the air inlet 931, and the fresh air valve 151 opens the fresh air inlet 801. Indoor air can enter the exhaust volute 9 from the exhaust inlet 901. The indoor air in the exhaust volute 9 flows to the third air inlet chamber V0123 through the air inlet 931. Outdoor air can enter the air inlet chamber V012 from the fresh air inlet 801 and mix with the air entering the third air inlet chamber V0123 from the air inlet 931. After being filtered by the purification component 11, it enters the fresh air volute chamber V011 under the drive of the fresh air fan 6, and finally is exhausted to the room from the fresh air outlet 802. This reduces the temperature difference between the outdoor air and the indoor air, improving the user experience.

[0259] When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 is in exhaust-fresh air mode, the exhaust valve 161 opens the exhaust outlet 902 and blocks the air passage 931, the fresh air valve 151 opens the fresh air inlet 801, the exhaust fan 7 rotates to allow indoor air to enter the exhaust volute 9 from the exhaust inlet 901, and allows indoor air entering the exhaust volute 9 to be exhausted to the outside from the exhaust outlet 902. The fresh air fan 6 rotates to allow outdoor air to enter the fresh air volute 8 from the fresh air inlet 801, and allows outdoor air entering the fresh air volute 8 to enter the room from the fresh air outlet 802.

[0260] The exhaust valve 161 is configured to block one of the exhaust outlet 902 and the air inlet 931 by rotation, while opening the other. On the one hand, the exhaust outlet 902 and the air inlet 931 share the same exhaust valve 161, eliminating the need for separate valves at each outlet. This saves on the number of valves and the space occupied by the exhaust valve 161, reducing the need for a large structure in the exhaust volute 9 at the exhaust outlet 902. On the other hand, the rotation of the exhaust valve 161 is simple and easy to implement. By controlling the state of the exhaust valve 161, the exhaust mode and the purification-fresh air mode can be switched. Based on the embodiment of setting a fresh air valve 151 in the air inlet cavity V012, the switching between fresh air mode and exhaust-fresh air mode is also involved. The switching operation principle is simple and the operation is convenient.

[0261] Reference Figure 19 and Figure 22In some embodiments, the exhaust volute enclosure 92 is provided with a purification air inlet 904, which connects the third air inlet chamber V0123 and the indoor space. The rotation of the fresh air fan 6 allows indoor air to enter the fresh air volute 8 through the purification air inlet 904 and the third air inlet chamber V0123, and also allows indoor air entering the fresh air volute 8 to enter the room through the fresh air outlet 802. This allows indoor air to enter the fresh air duct V01 from the purification air inlet 904, be purified by the purification element 11 in the air inlet chamber V012, then enter the fresh air volute chamber V011, and finally enter the room through the fresh air outlet 802.

[0262] Reference Figures 19-21 ,as well as Figures 22-25 In some embodiments, the wall-mounted air conditioner 10000 further includes a purification valve 171, which is movably disposed in the air inlet cavity V012 and is used to open and close the purification air inlet 904.

[0263] When the purification valve 171 opens the purification air inlet 904 and the fresh air fan 6 rotates, indoor air can enter the air inlet chamber V012 and the fresh air volute chamber V011 through the purification air inlet 904, and indoor air entering the fresh air volute chamber V011 can enter the room through the fresh air outlet 802. When the purification valve 171 closes the purification air inlet 904, indoor air cannot enter the air inlet chamber V012 and the fresh air volute chamber V011 through the purification air inlet 904, and the air in the fresh air volute chamber V011 cannot be exhausted to the outside through the fresh air outlet 802. By controlling the state of the purification valve 171, the purification air inlet 904 can be opened or closed.

[0264] By installing the purification valve 171 inside the air inlet cavity V012, that is, installing the purification valve 171 inside the space enclosed by the exhaust volute 9 and the volute body 81, the external components of the exhaust volute 9 and the fresh air volute 8 do not need to avoid the purification valve 171. The opening and closing of the purification air inlet 904 by the purification valve 171 will not hit the external components of the exhaust volute 9 and the fresh air volute 8. Furthermore, the exhaust volute 9 and the fresh air volute 8 have a protective function for the purification valve 171, which helps to extend the service life of the purification valve 171.

[0265] Reference Figures 19-21 ,as well as Figures 22-25 The wall-mounted air conditioner 10000 also includes a purification valve motor 172, used to drive the purification valve 171. The purification valve motor 172 and the purification valve 171 can be directly connected or indirectly connected through a transmission structure. The purification valve motor 172 provides power for the purification valve 171 to open or close the purification air inlet 904, facilitating the control of the opening and closing of the purification air inlet 904 by controlling the purification valve 171.

[0266] Reference Figure 19 and Figure 22 In some embodiments, the air intake direction of the purification air inlet 904 is the same as that of the fresh air inlet 801. The purification valve 171 can be slidably disposed in the air intake cavity V012 to selectively block one of the purification air inlet 904 and the fresh air inlet 801, and open the other one.

[0267] Specifically, the 10000 wall-mounted air conditioner has a fresh air mode and a purification mode.

[0268] When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 is in fresh air mode, the purification valve 171 moves to the position of opening the fresh air inlet 801 and blocking the purification air inlet 904. The fresh air fan 6 rotates, allowing outdoor air to enter the air inlet cavity V012 from the fresh air inlet 801. After being filtered by the purification component 11, it enters the fresh air volute cavity V011. The outdoor air entering the fresh air volute cavity V011 can be discharged into the room from the fresh air outlet 802.

[0269] When the bidirectional ventilation component 2000 of the wall-mounted air conditioner 10000 is in purification mode, the purification valve 171 moves to the position of blocking the fresh air inlet 801 and opening the purification inlet 904. The fresh air fan 6 rotates, allowing indoor air to enter the air inlet chamber V012 from the purification inlet 904. After being filtered by the purification component 11, the air enters the fresh air volute chamber V011. The indoor air entering the fresh air volute chamber V011 is then exhausted to the room from the fresh air outlet 802, increasing the amount of air purified and improving the user experience.

[0270] With the exhaust outlet 902 closed, switching the purification valve 171 to open the purification inlet 904 and close the fresh air inlet 801 causes the bidirectional ventilation assembly 2000 to operate only in purification mode. Similarly, switching the exhaust valve 161 to close the purification inlet 904 and open the fresh air inlet 801 causes the bidirectional ventilation assembly 2000 to operate only in fresh air mode. Therefore, by controlling the state of the purification valve 171, the bidirectional ventilation assembly 2000 can switch between purification mode and fresh air mode.

[0271] The purification valve 171 is configured to block one of the purification air inlet 904 and the fresh air inlet 801 by sliding, while opening the other one. On the one hand, the fresh air inlet 801 and the purification air inlet 904 share the same purification valve 171, eliminating the need for separate valves at each location. This saves on the number of valves and the space occupied by the purification valve 171. On the other hand, the state of the purification valve 171 can be controlled to switch between fresh air mode and purification mode. The switching operation principle is simple and the operation is convenient.

[0272] Reference Figure 20 and Figure 21 ,as well as Figures 23-25 In some embodiments, the purification valve motor 172 and the purification valve 171 are connected by a transmission mechanism 173. The transmission mechanism 173 includes a gear 1731 and a rack 1732. The gear 1731 meshes with the rack 1732 so that the purification valve motor 172 drives the purification valve 171 to translate in the length direction of the rack 1732 when the gear 1731 rotates.

[0273] Gear 1731 is located inside air inlet chamber V012, and gear 1731 is coaxially arranged with the motor shaft of purification valve motor 172. The motor shaft of purification valve motor 172 drives gear 1731 to rotate. Rack 1732 is fixed on purification valve 171, and rack 1732 is fixed on the side of purification valve 171 facing gear 1731, so that gear 1731 and rack 1732 can directly mesh. Gear 1731 and rack 1732 mesh so that purification valve motor 172 drives purification valve 171 to translate in the length direction of rack 1732 when gear 1731 rotates.

[0274] Optionally, the rack 1732 and the purification valve 171 can be fixedly connected by bolt assembly, welding, bonding or other methods; or alternatively, the rack 1732 can be integrally formed with the purification valve 171, which can reduce the assembly steps between the rack 1732 and the purification valve 171 and reduce the number of parts.

[0275] The transmission mechanism 173, consisting of gears 1731 and racks 1732, has a simple structure and reliable power transmission. Furthermore, the rack 1732 is directly mounted on the motor shaft of the purification valve motor 172, eliminating the need for an intermediate transmission shaft. This simplifies the transmission mechanism 173 and reduces the number of components, space occupied, and cost.

[0276] In some embodiments, the purification air inlet 904 and the fresh air inlet 801 are arranged spaced apart in a direction parallel to the axis of the second motor 5, and the purification valve 171 is movable in a direction parallel to the axis of the second motor 5.

[0277] Specifically, the exhaust volute 9 and the fresh air volute 8 are arranged in the extension direction of the axis of the second motor 5. In the embodiment where the exhaust volute 9 includes an exhaust volute end plate 91, an exhaust volute end plate 92 and a first partition plate 813, and the fresh air volute 8 includes a first fresh air volute end plate 811, a fresh air volute enclosure plate 812, a second fresh air volute end plate 814 and a first partition plate 813, the purification air inlet 904 is provided on the exhaust volute enclosure plate 92, and the fresh air inlet 801 is provided on the fresh air volute enclosure plate 812, so that the purification air inlet 904 and the fresh air inlet 801 are arranged in the extension direction of the axis of the second motor 5.

[0278] The length direction of the rack 1732 can be parallel to the axis of the second motor 5. When the gear 1731 rotates, it will drive the rack 1732 to move along the length direction of the rack 1732. When the rack 1732 moves, it will drive the purification valve 171 to move synchronously, so that the purification valve 171 blocks one of the purification air inlet 904 and the fresh air inlet 801 in a translational manner, and opens the other one.

[0279] Reference Figure 8 In some embodiments, the exhaust air inlet 901 is formed on the exhaust volute 9, and the axial direction of the exhaust air inlet 901 is arranged along the length direction of the main body 1000. That is, the exhaust air inlet 901 is directly opposite the axial air intake end of the exhaust fan 7, so that the air resistance of the exhaust fan 7 entering through the exhaust air inlet 901 is small, which helps to ensure the exhaust air volume. When exhaust air intake is relatively easy, a smaller exhaust fan 7 can be selected to further reduce the size of the bidirectional ventilation assembly 2000.

[0280] Reference Figure 8 In some embodiments, the exhaust volute 9 includes an air guide ring 911, which is a circular tube with a gradually decreasing diameter in the direction towards the heat exchange fan 41. The area enclosed by the air guide ring 911 forms an exhaust air inlet 901. The air guide ring 911 effectively collects dispersed airflow and converges it into a more concentrated airflow, which is then sent into the exhaust fan 7, making the air intake smoother and more efficient, and increasing the air volume of the exhaust fan 7.

[0281] Furthermore, the air guide ring 911, through its rationally designed shape and angle, allows airflow to enter the exhaust blades 72 of the exhaust fan 7 at the optimal angle, improving the working efficiency of the exhaust fan 7. When unstable airflow fluctuations are drawn in, the air guide ring 911 can stabilize the airflow, reducing turbulence and fluctuations, allowing the exhaust fan 7 to operate more smoothly. This can reduce noise and vibration, and extend the service life of the exhaust fan 7.

[0282] In some embodiments, refer to Figure 8 and Figure 11The exhaust fan 7 includes an exhaust wheel 71 and exhaust blades 72. The exhaust blades 72 are connected to the side of the exhaust wheel 71 away from the heat exchange fan 41. The exhaust blades 72 are multiple and arranged circumferentially.

[0283] Furthermore, the edge of the exhaust blade 72 away from the exhaust wheel 71 is the blade side edge 721. The distance between the part of the blade side edge 721 near the center of the exhaust wheel 71 and the exhaust wheel 71 decreases. All exhaust blades 72 form a side edge recess 73 at the point where the distance between the blade side edges 721 decreases. The end of the air guide ring 911 is located in the side edge recess 73.

[0284] In other words, the exhaust blades 72 of the exhaust fan 7 are concave blades, and both the air guide ring 911 and the concave blades are recessed towards the fresh air fan 6. The air guide ring 911 partially enters the side edge recess 73 formed by the concave blades. With this configuration, the air guide ring 911 and the exhaust fan 7 can partially overlap axially, and there is no need to increase the axial dimension of the exhaust volute 9 while setting the air guide ring 911.

[0285] Reference Figure 8 In some embodiments, the exhaust fan 7 includes an exhaust wheel 71 and exhaust blades 72. The exhaust blades 72 are connected to the side of the exhaust wheel 71 away from the heat exchange fan 41, and there are multiple exhaust blades 72 arranged circumferentially. A rounded transition corner structure is provided at the connection between the exhaust blades 72 and the exhaust wheel 71. This reduces the concentrated stress at the connection between the exhaust blades 72 and the exhaust wheel 71, improving overall strength. Furthermore, when the airflow flows axially towards the exhaust wheel 71, the airflow can be guided by the rounded transition corner structure under pressure difference, resulting in less turbulence when the airflow changes direction, thus helping to reduce energy consumption.

[0286] Reference Figures 8-11 In some embodiments, the second motor 5 includes a stator 51 and a rotor 52, which are part of the main body 1000 of the second motor 5. The stator 51 has coils wound on it, which generate an alternating magnetic field when alternating current is applied, and the rotor 52 is induced and rotates in the alternating magnetic field.

[0287] Optionally, the rotor section 52 can be a magnetic ring or a magnetic tile. A magnetic ring is preferred for the rotor section 52, as it reduces leakage flux loss, enhances magnetic flux, and improves the power output efficiency of the second motor 5. Furthermore, using a magnetic ring results in a more uniform magnetic field distribution, better anti-interference performance, and higher mechanical precision.

[0288] Reference Figure 10The second motor 5 is an external rotor motor, with the rotor portion 52 arranged around the outside of the stator portion 51 in the radial direction. Choosing an external rotor motor for the second motor 5 not only simplifies its structure but also allows for a larger diameter due to the rotor portion 52's radial arrangement around the stator portion 51. This results in greater torque and makes it suitable for low-speed, high-torque, and direct-drive applications. In other words, when the second motor 5 outputs power, a speed reducer is not needed for torque amplification, saving space occupied by a speed reducer.

[0289] In addition, the rotor section 52 is located radially outside the stator section 51, with a large heat dissipation area and good heat dissipation performance, which is beneficial to the stable operation of the second motor 5. Moreover, with this arrangement, the diameter of the second motor 5 can be controlled to be smaller, without encroaching on the airflow channel space.

[0290] Reference Figures 8-11 The second motor 5 also includes a motor housing 531, which supports and protects the main body 1000 of the second motor 5. The motor housing 531 is fixedly connected to the rotor portion 52, allowing the motor housing 531 and the rotor portion 52 to rotate synchronously. This allows the rotor portion 52 to be fixed via the motor housing 531, facilitating connection to external structures.

[0291] Reference Figures 8-11 The second motor 5 also includes an output shaft 532, which is fixedly connected to the motor housing 531, so that the output shaft 532, the motor housing 531 and the rotor part 52 rotate synchronously. One end of the output shaft 532 extends along the axial direction of the motor housing 531 toward the side of the heat exchange fan 41, and the other end of the output shaft 532 extends into the stator part 51.

[0292] The fresh air fan 6 is mounted on the radial outer side of the motor housing 531 and is fixedly connected to the motor housing 531, while the exhaust fan 7 is connected to the output shaft 532.

[0293] The second motor 5 is an external rotor motor, and the fresh air fan 6 is mounted on the radial outside of the motor housing 531. This means that part of the second motor 5 is embedded in the fresh air fan 6 within the motor housing 531, and part of the output shaft 532 is embedded in the exhaust fan 7. This makes the second motor 5 almost overlap with the exhaust fan 7 and the fresh air fan 6 in the length direction of the main body 1000, so that the axial portion of the exhaust fan 7 and the fresh air fan 6 outside the second motor 5 is smaller. This makes the overall axial dimension of the bidirectional ventilation assembly 2000 close to that of the second motor 5, thus making the overall length dimension of the wall-mounted air conditioner 10000 controllable.

[0294] Furthermore, because the second motor 5 uses an external rotor motor suitable for low-speed, high-torque, and direct-drive scenarios, a reducer is unnecessary. The fresh air fan 6 can be directly mounted radially outside the motor housing 531. This not only avoids increasing the overall axial dimension of the reducer but also avoids complicating the structural layout. Simply fixing the fresh air fan 6 to the motor housing 531 and connecting the exhaust fan 7 to the output shaft 532 of the second motor 5 allows the exhaust fan 7 and fresh air fan 6 to be coaxially stacked, enabling them to rotate synchronously with a small gap, eliminating the need for excessive spacing. This also ensures that the overall axial dimension of the bidirectional ventilation assembly 2000 is close to that of the second motor 5, making the overall length of the wall-mounted air conditioner 10000 controllable.

[0295] Reference Figure 12 , Figure 26 and Figure 27 In this application, the fresh air inlet 801 is located below the main body 1000 in the height direction. The fresh air volute 8 protrudes from the fresh air inlet 801 to connect to the fresh air inlet pipe 141. It is understood that the fresh air inlet 801 needs to be connected to a pipe to introduce outdoor air; this pipe is referred to here as the fresh air inlet pipe 141 (as shown in the figure). The fresh air inlet pipe 141 can be a component of the wall-mounted air conditioner 10000, or it can be a fresh air inlet pipe 141 separately configured by the user after purchasing the wall-mounted air conditioner 10000.

[0296] The fresh air inlet 801 is positioned below the main body 1000, allowing the fresh air inlet pipe 141 to connect to it from below. The connection generally extends vertically or from front to back. For example, the fresh air inlet pipe 141 connects to the fresh air inlet 801 via the fresh air adapter 143. Furthermore, the portion of the fresh air volute 8 where the fresh air fan 6 is mounted is circular. Since the axis of the fresh air volute 8 extends along the length of the main body 1000, this circular shape provides free space on both the front and rear sides of the bottom. This space can be used to position the fresh air inlet 801 to connect to the fresh air inlet pipe 141. Thus, the connection between the fresh air inlet pipe 141 and the fresh air inlet 801 can be placed within this free space without requiring additional space, thereby controlling the height of the main body 1000.

[0297] Reference Figure 12 , Figure 26 and Figure 27In this application, the exhaust outlet 902 is located below the main body 1000 in the height direction, and the exhaust volute 9 protrudes from the exhaust outlet 902 for connecting the exhaust pipe 142. It is understood that the exhaust outlet 902 needs to be connected to a pipe to guide indoor air to the outside; this pipe is referred to here as the exhaust pipe 142 (as shown in the figure). The exhaust pipe 142 can be a part of the wall-mounted air conditioner 10000, or it can be an exhaust pipe 142 separately configured by the user after purchasing the wall-mounted air conditioner 10000.

[0298] The exhaust outlet 902 is positioned below the main body 1000, and the exhaust pipe 142 can be connected to the exhaust outlet 902 from below. The connection generally extends in the vertical direction. For example, the exhaust pipe 142 is connected to the exhaust outlet 902 through the exhaust adapter 144. Moreover, the part of the exhaust volute 9 that houses the exhaust fan 7 is circular. Since the axis of the exhaust volute 9 extends along the length of the main body 1000, there is free space on both the front and rear sides of the bottom. Furthermore, based on the axial air intake and radial air exhaust characteristics of the exhaust fan 7, the volute tongue of the exhaust volute 9 can be arranged generally in the vertical direction and can be placed in the aforementioned front or rear free space.

[0299] An exhaust outlet 902 is provided here to connect to the exhaust pipe 142, so that the connection between the exhaust pipe 142 and the exhaust outlet 902 can be placed in this empty space without occupying additional space, thus controlling the height of the main body 1000.

[0300] In some specific embodiments, the housing 1 is provided with a pipe avoidance opening (not shown in the figure), through which the fresh air inlet pipe 141 and the exhaust outlet pipe 142 pass and extend out of the main body 1000. The fresh air inlet pipe 141 and the exhaust outlet pipe 142 are two independent pipes, which helps to separate the fresh air flow path and the exhaust air flow path from each other, so that they do not cross and reduce the risk of air leakage caused by cross-flow.

[0301] Reference Figure 2 In some embodiments, the base 3 is located away from the volute air duct V03 and near the heat exchange outlet 102, and has an installation cavity (not shown in the figure). The installation cavity extends along the length of the main body 1000, and the fresh air inlet pipe 141 and the exhaust outlet pipe 142 are at least partially located in the installation cavity.

[0302] By placing at least part of the fresh air inlet pipe 141 and the exhaust outlet pipe 142 inside the installation cavity, on the one hand, there is no need to set up separate space to place the fresh air inlet pipe 141 and the exhaust outlet pipe 142, which effectively utilizes the space on the base 3, which is conducive to improving space utilization and making the structure more compact. On the other hand, it reduces the installation intensity of workers and ensures that the wall-mounted air conditioner 10000 will not have problems such as the fresh air inlet pipe 141 and the exhaust outlet pipe 142 warping or gaps after installation.

[0303] Reference Figures 1-4 In some embodiments, the accommodating cavity V1 within the main body 1000 is divided into a first chamber V11 and a second chamber V12. The indoor heat exchanger 2 is located in the first chamber V11, and the bidirectional ventilation assembly 2000 is at least partially located in the second chamber V12. The heat exchange air inlet 101 and heat exchange air outlet 102 on the casing 1 are provided corresponding to the first chamber V11, and the casing air inlet 103 and casing air outlet 105 on the casing 1 are provided corresponding to the second chamber V12.

[0304] This configuration divides the accommodating cavity V1 into a first chamber V11 and a second chamber V12. The airflow inside the second chamber V12 is not affected by the heat exchange fan 41. The exhaust air inlet 901 can directly draw air from the second chamber V12. There is no need to connect the housing air inlet 103 and the exhaust air inlet 901 with a pipe, which not only reduces the space occupied by the pipe, but also allows for flexible selection of the position of the housing air inlet 103.

[0305] In this application, a vertically placed partition plate can be installed inside the housing 1 to separate the first chamber V11 and the second chamber V12. Alternatively, the separation of the first chamber V11 and the second chamber V12 can be achieved through the fresh air volute 8 or the base 3, or a combination of both.

[0306] For example, in some specific embodiments shown in the figure, the indoor heat exchanger 2 and the heat exchange fan 41 are mounted on the base 3. Each of the two ends of the base 3 is provided with an end plate 31, and the two ends of the indoor heat exchanger 2 are mounted on the two end plates 31, and the two ends of the heat exchange fan 41 are mounted on the two end plates 31.

[0307] In some embodiments, refer to Figure 1 The air inlet 103 is located on the top wall of the main body 1000. Since the wall-mounted air conditioner 10000 is hung high on the wall, the air inlet 103 on the top wall of the main body 1000 is not easily seen, thus maintaining the aesthetic appearance of the main body 1000. A first ventilation duct V04 is formed between the air inlet 103 and the exhaust air inlet 901. The exhaust fan 7 rotates, drawing indoor air from the air inlet 103 into the first ventilation duct V04, and then through the exhaust air inlet 901 into the exhaust volute 9.

[0308] In some embodiments, refer to Figure 3 The wall-mounted air conditioner 10000 also includes an electrical control box 13, which is located at one lateral end of the heat exchange fan 41, and the bidirectional ventilation assembly 2000 is located at the other lateral end of the heat exchange fan 41. In other words, the bidirectional ventilation assembly 2000 and the electrical control box 13 are located at opposite lateral ends of the heat exchange fan 41, and the operation of the bidirectional ventilation assembly 2000 has minimal interference with the electrical control box 13.

[0309] In other embodiments, reference is made to Figure 3 The wall-mounted air conditioner 10000 also includes an electrical control box 13, which is located at the same horizontal end of the heat exchange fan 41 as the bidirectional ventilation assembly 2000. The electrical control box 13 is located on top of the bidirectional ventilation assembly 2000. This arrangement further facilitates control over the length of the wall-mounted air conditioner 10000.

[0310] In this specification, the terms "embodiment," "example," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0311] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A wall-mounted air conditioner, comprising: Body (1000), said body (1000) includes: The housing (1) has an accommodating cavity (V1) inside. The housing (1) has a heat exchange inlet (101) and a heat exchange outlet (102). In the height direction of the main body (1000), the heat exchange inlet (101) is located above the heat exchange outlet (102). An indoor heat exchanger (2) is disposed within the accommodating cavity (V1); The base (3) is disposed in the accommodating cavity (V1) and a volute air duct (V03) is formed thereon; A heat exchange fan (41) is installed in the volute duct (V03) and is located on the side of the indoor heat exchanger (2) away from the heat exchange air inlet (101); The first motor (42) is disposed in the accommodating cavity (V1) and located at one end of the body (1000) along its length, for driving the heat exchange fan (41) to rotate so that the air inside the air conditioner exchanges heat with the indoor space; Its characteristic is that it further includes: The second motor (5) is disposed in the accommodating cavity (V1), and the second motor (5) is located at the other end of the length direction of the main body (1000); Fresh air fan (6), the fresh air fan (6) is a centrifugal fan with axial air intake and radial air outlet, the fresh air fan (6) is located on the side of the heat exchange fan (41) away from the first motor (42); The exhaust fan (7) is a centrifugal fan that has axial air intake and radial air exhaust. In the length direction of the main body (1000), the exhaust fan (7) is located on the side of the fresh air fan (6) away from the heat exchange fan (41). In this case, the second motor (5) drives the fresh air fan (6) and the exhaust fan (7) to rotate synchronously when in operation; A fresh air volute (8) is located on the side of the heat exchange fan (41) away from the first motor (42). A fresh air duct (V01) is formed inside the fresh air volute (8). A fresh air fan (6) is installed inside the fresh air volute (8). A fresh air inlet (801) and a fresh air outlet (802) are formed on the fresh air volute (8). When the fresh air fan (6) rotates, outdoor air can enter the fresh air volute (8) from the fresh air inlet (801) and outdoor air entering the fresh air volute (8) can enter the room from the fresh air outlet (802). An exhaust volute (9) is located on the side of the fresh air volute (8) away from the heat exchange fan (41). An exhaust duct (V02) is formed inside the exhaust volute (9). An exhaust fan (7) is installed inside the exhaust volute (9). An exhaust inlet (901) and an exhaust outlet (902) are formed on the exhaust volute (9). When the exhaust fan (7) rotates, indoor air can enter the exhaust volute (9) from the exhaust inlet (901) and indoor air entering the exhaust volute (9) can be exhausted to the outside from the exhaust outlet (902). The axis of the fresh air fan (6) is parallel to the length direction of the main body (1000), and at least a part of the air inlet cavity (V012) is formed inside the fresh air volute (8), which is connected to the fresh air inlet (801). The wall-mounted air conditioner further includes a purification component (11), which is installed in the air inlet cavity (V012) and connected to the fresh air volute (8). The purification component (11) is located on the periphery of the fresh air fan (6).

2. The wall-mounted air conditioner according to claim 1, characterized in that, In the height direction of the main body (1000), the fresh air inlet (801) is located below the main body (1000), and the air inlet cavity (V012) is at least partially located below the fresh air fan (6) so that the purification component (11) is located below the fresh air fan (6).

3. The wall-mounted air conditioner according to claim 1, characterized in that, The fresh air volute (8) includes: The volute body (81) is located on the side of the exhaust volute (9) facing the heat exchange fan (41) and is detachably connected to the exhaust volute (9). The volute body (81) defines a fresh air volute cavity (V011) that communicates with the fresh air outlet (802). The fresh air fan (6) is located in the fresh air volute cavity (V011). The volute cover (82) is located on the side of the volute body (81) facing the heat exchange fan (41) and is detachably connected to the volute body (81). The volute body (81) and the volute cover (82) together form at least part of the air inlet cavity (V012), and the air inlet cavity (V012) is connected to the fresh air volute cavity (V011).

4. The wall-mounted air conditioner according to claim 3, characterized in that, The axes of the fresh air fan (6) and the exhaust fan (7) are both parallel to the length direction of the main body (1000); The exhaust volute (9), the volute body (81), and the volute cover (82) together form the air inlet cavity (V012). The purification component (11) is also connected to the exhaust volute (9) and is located on the periphery of the exhaust fan (7).

5. The wall-mounted air conditioner according to claim 4, characterized in that, An installation port (803) is formed between the exhaust volute (9) and the volute body (81), and the purification component (11) is detachably assembled into the air inlet cavity (V012) through the installation port (803).

6. The wall-mounted air conditioner according to claim 4, characterized in that, The air inlet chamber (V012) includes a first air inlet chamber (V0121), a second air inlet chamber (V0122), and a third air inlet chamber (V0123) that are interconnected. The volute body (81) and the volute cover (82) together form the first air inlet chamber (V0121) and the second air inlet chamber (V0122). The first air inlet chamber (V0121) is located at one axial end of the fresh air fan (6), and the second air inlet chamber (V0122) is located on the periphery of the fresh air fan (6). The exhaust volute (9) defines the third air inlet chamber (V0123), and the third air inlet chamber (V0123) is located on the periphery of the exhaust fan (7). The purification component (11) is partially disposed in the second air inlet chamber (V0122) and partially disposed in the third air inlet chamber (V0123).

7. The wall-mounted air conditioner according to claim 6, characterized in that, The volute body (81) includes: First fresh air volute end plate (811); The fresh air volute enclosure (812) extends circumferentially along the first fresh air volute end plate (811) and is connected to the side of the first fresh air volute end plate (811) facing the heat exchange fan (41). The first partition plate (813) is disposed within the space enclosed by the fresh air volute enclosure plate (812); The second fresh air volute end plate (814) is located between the fresh air volute enclosure plate (812) and the volute cover (82), and is detachably connected to the fresh air volute enclosure plate (812), the volute cover (82) and the first partition plate (813). The first fresh air volute end plate (811), the second fresh air volute end plate (814), the fresh air volute surrounding plate (812), and one side of the first partition plate (813) together enclose the fresh air volute cavity (V011). The second fresh air volute end plate (814) and the volute cover (82) together enclose the first air inlet chamber (V0121). The other side of the first fresh air volute end plate (811), the volute cover (82), the fresh air volute surrounding plate (812), and the first partition plate (813) together enclose the second air inlet chamber (V0122).

8. The wall-mounted air conditioner according to claim 7, characterized in that, The first fresh air volute end plate (811) is provided with a through port (8111), which connects the second air inlet chamber (V0122) and the third air inlet chamber (V0123).

9. The wall-mounted air conditioner according to claim 7, characterized in that, Both the fresh air inlet (801) and the fresh air outlet (802) are located on the fresh air volute enclosure (812).

10. The wall-mounted air conditioner according to claim 7, characterized in that, The fresh air volute cavity (V011) is located above the second air inlet chamber (V0122), and the fresh air outlet (802) is located at the front of the fresh air volute enclosure (812). The first partition plate (813) extends forward from top to bottom in at least part to guide the outdoor air entering the fresh air volute cavity (V011) to flow forward to the fresh air outlet (802).

11. The wall-mounted air conditioner according to claim 7, characterized in that, The second motor (5) is an external rotor motor, and the second motor (5) includes: Stator section (51), wherein the stator section (51) has a wound coil; The rotor portion (52) is disposed around the outside of the stator portion (51) in the radial direction of the stator portion (51); Motor housing (531), which is fixedly connected to the rotor portion (52); Output shaft (532), which is fixedly connected to the motor housing (531); The second motor (5) is located in the fresh air volute cavity (V011), and the motor housing (531) is fixedly connected to the fresh air fan (6). The output shaft (532) passes through the first fresh air volute end plate (811) and is connected to the exhaust fan (7). The fresh air fan (6) includes a fresh air wheel (61) and fresh air blades (62). The fresh air blades (62) are connected to the side of the fresh air wheel (61) away from the first fresh air volute end plate (811) and extend in a direction away from the first fresh air volute end plate (811). The fresh air impeller (61) is provided with an mounting ring on the side away from the exhaust fan (7). The stator, rotor and motor housing of the second motor (5) are at least partially located in the mounting ring. The stator is detachably connected to the second fresh air volute end plate (814). A plurality of fresh air blades (62) are arranged around the outside of the mounting ring. The second fresh air volute end plate (814) has a fixing part (8141) in the middle, and the stator part of the second motor (5) is connected to the fixing part (8141); The second fresh air volute end plate (814) is provided with an air inlet grille hole (8142), which is arranged around the outside of the fixed part (8141) and connects the fresh air volute cavity (V011) and the air inlet cavity (V012).

12. The wall-mounted air conditioner according to claim 7, characterized in that, The distance between the second fresh air volute end plate (814) and the volute cover (82) in the extension direction of the axis of the fresh air fan (6) is 1.5mm-20mm.

13. The wall-mounted air conditioner according to claim 6, characterized in that, The exhaust volute (9) includes: The exhaust volute end plate (91) is disposed opposite to the volute body (81); The exhaust volute enclosure plate (92) extends circumferentially along the exhaust volute end plate (91) and connects the exhaust volute end plate (91) with the volute body (81). The second partition plate (93) is located within the space enclosed by the exhaust volute end plate (91); The exhaust volute end plate (91), the exhaust volute surrounding plate (92), and the second partition plate (93) together enclose one side of the exhaust volute cavity (V021), the exhaust fan (7) is located in the exhaust volute cavity (V021), and the exhaust volute end plate (91), the exhaust volute surrounding plate (92), and the second partition plate (93) together enclose the third air inlet chamber (V0123).

14. The wall-mounted air conditioner according to claim 13, characterized in that, The exhaust volute cavity (V021) is located above the third air inlet cavity (V0123), the exhaust outlet (902) is located at the rear of the exhaust volute enclosure (92), and the second partition plate (93) extends gradually backward from top to bottom in at least part to guide the indoor air entering the exhaust volute cavity (V021) to flow backward to the exhaust outlet (902).

15. The wall-mounted air conditioner according to claim 13, characterized in that, The exhaust outlet (902) is located at the bottom and rear of the exhaust volute enclosure (92). The second partition plate (93) extends gradually from top to bottom and rearward to guide the indoor air in the exhaust volute cavity (V021) to flow backward and downward to the exhaust outlet (902).

16. The wall-mounted air conditioner according to claim 13, characterized in that, The wall-mounted air conditioner also includes: An exhaust valve (161) is movably disposed within the exhaust volute (9) and is used to open and close the exhaust outlet (902); An exhaust valve motor (162) is used to drive the exhaust valve (161) to move.

17. The wall-mounted air conditioner according to claim 16, characterized in that, The second partition plate (93) itself or between the second partition plate (93) and the exhaust volute enclosure plate (92) has an air passage (931) for connecting the third air inlet chamber (V0123) and the exhaust volute chamber (V021); The exhaust valve (161) is rotatably disposed in the exhaust volute cavity (V021) to selectively block one of the exhaust outlet (902) and the air inlet (931) and open the other.

18. The wall-mounted air conditioner according to claim 13, characterized in that, The exhaust volute enclosure (92) is provided with a purification air inlet (904), which connects the third air inlet chamber (V0123) and the indoor space. The rotation of the fresh air fan (6) allows indoor air to enter the fresh air volute (8) through the third air inlet chamber (V0123) from the purification air inlet (904), and allows indoor air entering the fresh air volute (8) to enter the room from the fresh air outlet (802).

19. The wall-mounted air conditioner according to claim 18, characterized in that, The wall-mounted air conditioner also includes: A purification valve (171) is movably disposed in the air inlet chamber (V012) for opening and closing the purification air inlet (904); A purification valve motor (172) is used to drive the purification valve (171) to move.

20. The wall-mounted air conditioner according to claim 19, characterized in that, The air intake direction of the purification air inlet (904) is consistent with that of the fresh air inlet (801). The purification valve (171) can be slidably disposed in the air inlet cavity (V012) to selectively block one of the purification air inlet (904) and the fresh air inlet (801) and open the other one.

21. The wall-mounted air conditioner according to claim 20, characterized in that, The purification valve motor (172) and the purification valve (171) are connected by a transmission mechanism. The transmission mechanism includes a gear and a rack. The gear meshes with the rack so that the purification valve motor (172) drives the purification valve (171) to translate along the length direction of the rack when the gear rotates.

22. The wall-mounted air conditioner according to claim 20, characterized in that, The purification air inlet (904) and the fresh air inlet (801) are arranged at a distance from each other in a direction parallel to the axis of the second motor (5), and the purification valve (171) is movable in a direction parallel to the axis of the second motor (5).

Images