Wall-mounted air conditioner

Abstract

This application discloses a wall-mounted air conditioner. The wall-mounted air conditioner includes a main body, which comprises a casing, a base, an indoor heat exchanger, and a heat exchange fan. It also includes a fresh air unit and a sliding door. The casing includes a front frame and a front panel. A first fresh air exhaust vent is located on the lower front side of the front frame. The sliding door is used to open and close the first fresh air exhaust vent. An oiling portion is located at the position where the front frame mates with the sliding door. The front frame has an oil-cutting port that extends through the front frame in the front-to-back direction and is located below the oiling portion and above the first fresh air exhaust vent, used to cut off the flow path of the lubricating oil. The front panel covers the oil-cutting port. According to the embodiment of this application, the wall-mounted air conditioner utilizes the oil-cutting port to cut off the flow path of the lubricating oil, preventing the lubricating oil from flowing downwards onto the exterior surface of the front frame below the oil-cutting port, thus preventing the formation of large areas of oil stains on the exterior surface. This reduces the difficulty of maintenance for users and improves the user experience.

Description

Technical Field

[0001] This application relates to the field of air conditioning technology, and more specifically, to a wall-mounted air conditioner. Background Technology

[0002] Some wall-mounted air conditioners in related technologies are equipped with heat exchange fans and fresh air fans. The heat exchange fans are used to exchange heat between the air inside the air conditioner and the indoor space. The fresh air fans draw in fresh air from the outside and exhaust it into the indoor space through the fresh air outlet. The fresh air outlet is generally opened and closed by a movable valve.

[0003] To ensure smooth valve opening and closing, lubricating oil is usually applied to the valve's fixed position. However, lubricating oil can easily flow onto the air conditioner's exterior surface, causing large areas of oil stains that severely affect its appearance. Furthermore, the oil stains easily attract dust, making them not only difficult to clean but also prone to damaging the air conditioner's exterior during cleaning, significantly impacting the user experience. Utility Model Content

[0004] This application aims to at least partially address one of the aforementioned technical problems in the prior art. To this end, this application proposes a wall-mounted air conditioner that can interrupt the flow path of lubricating oil, guiding it to non-visual surfaces, thus ensuring the overall aesthetics of the unit and improving the user experience.

[0005] According to an embodiment of this application, a wall-mounted air conditioner includes a main body, which includes a casing, a base, an indoor heat exchanger, and a heat exchange fan. The casing has a heat exchange air inlet and a heat exchange air outlet. The base is disposed inside the casing and has a volute air duct. The heat exchange fan is disposed inside the volute air duct. The indoor heat exchanger is disposed inside the casing.

[0006] The wall-mounted air conditioner also includes a fresh air device, which is located inside the casing and at one end of the heat exchange fan. The fresh air device includes a fresh air volute and a fresh air fan. The fresh air volute has a fresh air inlet, a fresh air outlet, and a fresh air duct. The fresh air fan is located inside the fresh air duct. When the fresh air fan rotates, outdoor air can enter the fresh air duct from the fresh air inlet, and outdoor air entering the fresh air duct can enter the room from the fresh air outlet.

[0007] The casing includes a front frame and a front panel. The front panel is located on the front side of the front frame. A first fresh air exhaust port is provided on the lower part of the front side of the front frame. The first fresh air exhaust port is located below the front panel and is connected to the fresh air outlet.

[0008] The wall-mounted air conditioner also includes a sliding door, which is movably disposed on the front frame and used to open and close the first fresh air exhaust vent.

[0009] The face frame has an oiling section at the position where it mates with the sliding door. The face frame is provided with an oil-cutting port, which extends through the face frame in the front-to-back direction and is located below the oiling section and above the first fresh air exhaust port. It is used to cut off the flow path of the lubricating oil, and the front panel covers the oil-cutting port.

[0010] According to the wall-mounted air conditioner of this application embodiment, by setting an oil-cutting port below the oiling part and above the first fresh air exhaust port, the flow path of the lubricating oil can be cut off by the oil-cutting port, preventing the lubricating oil from flowing downward to the appearance surface of the frame located below the oil-cutting port, which would cause a large area of ​​oil stains to form on the appearance surface. This can reduce the maintenance difficulty for users and improve the user experience. Covering the oil-cutting port with the front panel allows the oil-cutting port to be hidden, further improving the appearance of the wall-mounted air conditioner. The structure of the oil-cutting port is simple and easy to process, and it does not occupy additional space in the front and rear directions of the frame.

[0011] According to some embodiments of this application, the oil cut-off port is an elongated strip extending along the length direction of the face frame, and the dimension of the oil cut-off port in the length direction of the face frame is larger than the dimension of the oiling portion in the length direction of the face frame.

[0012] According to some embodiments of this application, at least one of the oil cut-off ports has a first oil guiding portion at both ends of the face frame in the length direction. In the length direction of the face frame, the two first oil guiding portions gradually extend downward in a direction close to each other to guide the lubricating oil into the oil cut-off port.

[0013] According to some embodiments of this application, at least one of the oil cut-off ports has a second oil guide portion on its lower side. The second oil guide portion protrudes at least partially from the side surface of the face frame facing the front panel to receive the lubricating oil. The second oil guide portion extends at least partially downward from front to back to guide the lubricating oil from the oil cut-off port to the side of the face frame away from the front panel.

[0014] According to some embodiments of this application, the sliding door is movably disposed on the face frame between an open position and a closed position along the height direction of the face frame. In the open position, the sliding door is housed between the face frame and the front panel to open the first fresh air exhaust vent. In the closed position, the sliding door is at least partially moved to the underside of the front panel to close the first fresh air exhaust vent.

[0015] According to some embodiments of this application, the wall-mounted air conditioner further includes: a guide rail, the guide rail being fixed to the side of the face frame facing the front panel and extending along the height direction of the face frame; the sliding door slidingly engaging with the guide rail to move along the height direction of the face frame under the guidance of the guide rail; wherein at least one of the oiling portions is located on the guide rail, and at least one of the oil-cutting ports is a first oil-cutting port, the first oil-cutting port being located below the guide rail.

[0016] According to some embodiments of this application, the housing further includes a protective plate disposed between the face frame and the front panel, and covering the first oil cut-off port; wherein, the protective plate and the face frame define a mounting cavity with a bottom opening, the guide rail is disposed in the mounting cavity, in the open position, the sliding door is housed in the mounting cavity, and in the closed position, the sliding door extends at least partially from the bottom opening out of the mounting cavity.

[0017] According to some embodiments of this application, the wall-mounted air conditioner further includes: a drive motor disposed on the face frame; a transmission mechanism including a rotating member and a moving member connected by transmission, the rotating member rotating under the drive of the drive motor, and the moving member being movable along the height direction of the face frame and connected to the sliding door to drive the sliding door to move along the height direction of the face frame; wherein at least one of the oiling parts is located on the rotating member, and at least one of the oil-cutting ports is a second oil-cutting port, the second oil-cutting port being located below the rotating member.

[0018] According to some embodiments of this application, at least two of the guide rails are arranged in the length direction of the face frame, and the drive motor and the rotating member are located between the two guide rails; in the length direction of the face frame, the second oil cut-off port is located between at least two of the first oil cut-off ports, and the first oil cut-off port and the second oil cut-off port are at the same height position.

[0019] According to some embodiments of this application, the lower end of the sliding door facing the face frame has an oil receiving groove, which is located below the oiling part and has its opening facing upward, for receiving lubricating oil.

[0020] Additional aspects and advantages of this application 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 this application. Attached Figure Description

[0021] Figure 1 This is a perspective view of a wall-mounted air conditioner according to some embodiments of this application, wherein the sliding door is in the closed position;

[0022] Figure 2This is a perspective view of a wall-mounted air conditioner according to some embodiments of this application, wherein the sliding door is in the open position;

[0023] Figure 3 yes Figure 1 The diagram shows a wall-mounted air conditioner without the front panel, sliding door, etc.

[0024] Figure 4 yes Figure 3 An enlarged view of part A shown in the image;

[0025] Figure 5 This is an exploded view of the structure of a wall-mounted air conditioner according to some embodiments of this application;

[0026] Figure 6 yes Figure 5 An enlarged view of section B shown;

[0027] Figure 7 yes Figure 1 The rear view of the wall-mounted air conditioner shown is after the casing and sliding doors have been assembled.

[0028] Figure 8 It is along Figure 7 Structural cross-sectional view of CC;

[0029] Figure 9 yes Figure 8 A partially enlarged view of the structure shown;

[0030] Figure 10 yes Figure 1 The front view of the wall-mounted air conditioner after assembly, including the casing and sliding doors, is shown.

[0031] Figure 11 It is along Figure 10 Structural cross-sectional view of DD;

[0032] Figure 12 yes Figure 11 A partially enlarged view of the structure shown;

[0033] Figure 13 This is a schematic diagram of the sliding door structure of a wall-mounted air conditioner according to some embodiments of this application;

[0034] Figure 14 This is a schematic diagram of the structure of the protective plate of a wall-mounted air conditioner according to some embodiments of this application;

[0035] Figure 15 This is a bottom view of a wall-mounted air conditioner according to some embodiments of this application.

[0036] Figure label:

[0037] 1000 wall-mounted air conditioner

[0038] Main body 100

[0039] Casing 10, heat exchange air inlet 101, heat exchange air outlet 102, first air outlet 1021, second air outlet 1022, first fresh air exhaust outlet 103, second fresh air exhaust outlet 104, air passage 105, inlet / outlet 106.

[0040] Face frame 11, second positioning part 111, insertion hole 113, limiting groove 114, oil cut-off port 115, first oil cut-off port 1151, second oil cut-off port 1152, first oil guide part 1161, second oil guide part 1162, mating hole 117.

[0041] Front panel 12

[0042] Protective plate 13, mounting cavity 1301, bottom opening 1302, clearance opening 1303, first snap-fit ​​part 131, second fastener 132.

[0043] Fresh air unit 500

[0044] Guide rail 60, first positioning part 61, connecting hole 62, guide groove 63, insertion part 64, first fastener 67

[0045] Sliding door 70, door body 71, oil receiving groove 710, connecting part 72, guide rib 721, mounting part 73, latch 731, drive assembly 80, transmission mechanism 81, rotating part 811, moving part 812, second latching part 8121, drive motor 82. Detailed Implementation

[0046] The following description, in conjunction with the accompanying drawings, clearly and completely describes some embodiments of the present invention. Obviously, the described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments provided by the present invention are within the scope of protection of the present invention.

[0047] Unless the context otherwise requires, throughout the specification and claims, the term "comprise" and its other forms, such as the third-person singular "comprises" and the present participle "comprising," are interpreted as open-ended and encompassing, meaning "including, but not limited to." In the description of the specification, terms such as "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific example," or "some examples," etc., are intended to indicate that a particular feature, structure, material, or characteristic associated with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics may be included in any suitable manner in any one or more embodiments or examples.

[0048] Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0049] In describing some embodiments, the term "connection" and its derivative expressions may be used. The term "connection" should be interpreted broadly; for example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a direct connection or an indirect connection through an intermediate medium. The embodiments disclosed herein are not necessarily limited to the content of this document.

[0050] "At least one of A, B and C" has the same meaning as "at least one of A, B or C", both including the following combinations of A, B and C: only A, only B, only C, combinations of A and B, combinations of A and C, combinations of B and C, and combinations of A, B and C.

[0051] The use of “applies to” or “configured to” in this article implies an open and inclusive language that does not preclude applicability to or configuration to devices that perform additional tasks or steps.

[0052] As used herein, “about,” “approximately,” or “approximately” includes the stated value and the average value within an acceptable range of deviation from the given value, wherein the acceptable range of deviation is determined by a person skilled in the art taking into account the measurement under discussion and the error associated with the measurement of the given quantity (i.e., the limitations of the measurement system).

[0053] As used herein, “parallel,” “perpendicular,” and “equal” include the described situation and situations that are similar to the described situation, within an acceptable range of deviation, which is determined by those skilled in the art taking into account the measurement under discussion and the error associated with the measurement of a particular quantity (i.e., the limitations of the measurement system). For example, “parallel” includes absolute parallelism and approximate parallelism, where an acceptable range of deviation for approximate parallelism may be, for example, within 5°; “perpendicular” includes absolute perpendicularity and approximate perpendicularity, where an acceptable range of deviation for approximate perpendicularity may also be, for example, within 5°; “equal” includes absolute equality and approximate equality, where an acceptable range of deviation for approximate equality may be, for example, a difference between the two equals being less than or equal to 5% of either one.

[0054] Some embodiments of this utility model provide a wall-mounted air conditioner.

[0055] Typically, air conditioners are split-type air conditioners, which include 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.

[0056] 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.

[0057] The compressor is configured to compress the refrigerant so that the low-pressure refrigerant is compressed to form a high-pressure refrigerant.

[0058] 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.

[0059] In some embodiments, the outdoor heat exchanger may include heat exchange fins to increase the contact area between outdoor air and the refrigerant transported in the outdoor heat exchanger, thereby improving the heat exchange efficiency between the outdoor air and the refrigerant.

[0060] 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.

[0061] 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.

[0062] In some designs, the air conditioner may include 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 a cooling mode or a heating mode.

[0063] 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 may include 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.

[0064] 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.

[0065] An air conditioner may include a control unit, which is mainly used to control the operating frequency of the compressor and the opening degree of the throttling device. Some control units can also control the speed of the outdoor fan and the speed of the heat exchange fan. The control unit is connected to the compressor, the throttling device, the motor driving the outdoor fan, and the common motor driving the heat exchange fan via data cables to transmit communication information.

[0066] 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.

[0067] 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), card, stick, or keyboard drive).

[0068] 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, they need to open the windows for ventilation. This is not only inconvenient, but also causes the cool or warm air to escape quickly through the windows, affecting people's comfort.

[0069] Some wall-mounted air conditioners in related technologies are equipped with heat exchange fans and fresh air fans. The heat exchange fan facilitates heat exchange between the air inside the air conditioner and the indoor space. The fresh air fan draws in fresh air from the outside and exhausts it into the indoor space through a fresh air outlet, which is typically opened and closed by a movable valve. To ensure smooth valve operation, lubricating oil is usually applied to the valve's fixed position. However, this lubricating oil easily flows onto the air conditioner's exterior surface, causing large areas of oil stains that severely affect its appearance. Furthermore, the oil stains easily attract dust, making them difficult to clean and potentially damaging the air conditioner's exterior during cleaning, significantly impacting the user experience.

[0070] To address the aforementioned issues, some embodiments of this utility model provide a wall-mounted air conditioner. By setting an oil-cutting port below the oiling section and above the first fresh air exhaust port, the flow path of the lubricating oil can be cut off, preventing the lubricating oil from flowing downwards onto the exterior surface of the frame located below the oil-cutting port, thus avoiding the formation of large oil stains on the exterior surface. This reduces the maintenance difficulty for users and improves the user experience.

[0071] For example, a wall-mounted air conditioner is an indoor unit. Wall-mounted air conditioners are typically installed on a wall, for example, in the upper part of an interior wall.

[0072] The following is combined Figures 1-15Detailed description of the wall-mounted air conditioner 1000 according to an embodiment of this application.

[0073] Reference Figure 1 and Figure 2 According to an embodiment of this application, the wall-mounted air conditioner 1000 includes a main body 100, the main body 100 includes a casing 10, and the casing 10 has a heat exchange air inlet 101 and a heat exchange air outlet 102 formed on it. The casing 10 can play a protective role and constitutes the overall external structure of the wall-mounted air conditioner 1000.

[0074] Typically, the housing 10 is an elongated shell, with its length arranged horizontally, meaning it is mounted on the wall laterally. In actual products, to drain condensate, in some embodiments the housing 10 is mounted on the wall laterally, forming a small angle with the horizontal plane.

[0075] The main body 100 also includes an indoor heat exchanger, which is disposed within the casing 10. As described above, the indoor heat exchanger is a link in the refrigerant circuit, and refrigerant flows inside the indoor heat exchanger to cool or heat the air flowing from the surface of the indoor heat exchanger. In the wall-mounted air conditioner 1000, the indoor heat exchanger is typically installed along the length of the casing 10.

[0076] For example, the indoor heat exchanger is a two-fold or three-fold heat exchanger, and each fold of the indoor heat exchanger is a plate-like structure extending along the length direction.

[0077] The main body 100 also includes a base, which is located inside the casing 10. The base is an internal mounting support structure of the main body 100, and the indoor heat exchanger can be mounted on the base. For example, a volute-like air duct is formed on the base. After the indoor air enters the casing 10, the airflow direction is guided by the volute-like air duct, ensuring that the indoor air encounters less resistance when flowing through the indoor heat exchanger.

[0078] The main body 100 also includes a heat exchange fan, which is installed inside the volute air duct. When the heat exchange fan rotates, it can facilitate heat exchange between the air inside the air conditioner and the indoor space.

[0079] In some embodiments, the heat exchange fan is, for example, a cross-flow fan, which has low noise and large air volume. The 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, when a cross-flow fan is used and is arranged along the length of the heat exchange fan, it is beneficial for the driven airflow to flow through the entire indoor heat exchanger, ensuring the balance of heat exchange efficiency across all parts of the indoor heat exchanger.

[0080] By providing a heat exchange outlet 102 and a heat exchange inlet 101 in the housing 10, indoor air can be drawn into the housing 10 through the heat exchange inlet 101 when the heat exchange fan is running. After the indoor air exchanges heat with the indoor heat exchanger, the heat-exchanged air is sent back into the room through the heat exchange outlet 102.

[0081] Therefore, the indoor ambient temperature can be regulated. The indoor heat exchanger can be used as an evaporator to provide cooling airflow to the indoor space through the heat exchange outlet 102, or the indoor heat exchanger can be used as a condenser to provide heating airflow to the indoor space through the heat exchange outlet 102.

[0082] In some embodiments, the heat exchange air inlet 101 is located above the heat exchange air outlet 102 in the height direction of the main body 100, so that air can be drawn in from the top and discharged from the bottom. For example, the height direction of the main body 100 is the up-down direction.

[0083] Understandably, the main unit 100 is usually installed on the wall, and to avoid interfering with people's daily lives, it is usually hung at a high position. By setting the main unit 100 to blow out heat exchange air from below, the blown heat exchange air is less likely to be blocked by the roof or the ground. This results in less resistance and loss during the air blowing process, a wider air delivery range, and allows the heat exchange air to flow to the entire indoor space as quickly as possible, thereby improving heat exchange efficiency.

[0084] In some embodiments, the heat exchange air inlet 101 is located on the top of the casing 10, i.e. in an area not visible to the user. Hiding the heat exchange air inlet 101 can improve the aesthetic appearance of the wall-mounted air conditioner 1000.

[0085] In some embodiments, the heat exchange outlet 102 is located directly in front of the housing 10, that is, the heat exchange outlet 102 blows air towards the front of the main body 100.

[0086] It is understandable that the side of the main body 100 that is connected to the wall is usually called the back or rear side, while the side opposite to the rear side is called the front side. Therefore, when the heat exchange outlet 102 is located directly in front of the casing 10, the air outlet is away from the wall, the air resistance is small, and the air delivery range is wide.

[0087] In some embodiments, the heat exchange outlet 102 is located on the front side of the housing 10 and near the bottom, for example, the heat exchange outlet 102 is located at the lower front corner of the housing 10. In this case, the heat exchange air blown out of the heat exchange outlet 102 flows forward and downward at the same time, so that after being delivered a certain distance, the heat exchange air can sink and fall onto people or objects on the ground, so that people or objects on the ground can be in a suitable indoor environment as soon as possible.

[0088] It is understandable that wall-mounted air conditioners 1000 generally have a long, narrow structure, and the length direction of the heat exchange fan is the same as the length direction of the main body 100. Figures 1-2 The left and right directions are shown.

[0089] Reference Figure 1 and Figure 2 The wall-mounted air conditioner 1000 also includes a fresh air device 500, which is located inside the casing 10 and at one end of the heat exchange fan.

[0090] The fresh air device 500 includes a fresh air volute, which has a fresh air inlet, a fresh air outlet, and a fresh air duct. Both the fresh air inlet and the fresh air outlet are connected to the fresh air duct.

[0091] The fresh air unit 500 also includes a fresh air fan, which is located in the fresh air duct. The rotation of the fresh air fan allows outdoor air to enter the fresh air duct from the fresh air inlet, and allows outdoor air entering the fresh air duct to enter the room from the fresh air outlet.

[0092] The fresh air fan is a centrifugal fan with axial air intake and radial air outlet. The fresh air fan is located at the other end of the heat exchange fan along its length, that is, on the side of the heat exchange fan away from the common motor.

[0093] Centrifugal fans are characterized by their compact structure, large air volume, and low noise. Furthermore, fan noise decreases significantly as the fan speed decreases. Therefore, choosing a smaller centrifugal fan for fresh air intake can meet the demand for large air volume. The low vibration and noise of centrifugal fans also reduce the likelihood of resonance with the indoor heat exchanger, thus helping to reduce the overall vibration and noise of the wall-mounted air conditioner.

[0094] Therefore, by setting up a fresh air duct and a fresh air fan, when the indoor air is relatively polluted or the air quality is poor, the fresh air fan can drive relatively fresh outdoor air into the indoor environment to improve the indoor airflow environment.

[0095] The casing 10 includes a face frame 11 and a front panel 12. The front panel 12 is located on the front side of the face frame 11. A first fresh air exhaust port 103 is provided on the lower part of the front side of the face frame 11. The first fresh air exhaust port 103 is located below the front panel 12 and is connected to the fresh air outlet.

[0096] Reference Figure 1 and Figure 2 The wall-mounted air conditioner 1000 also includes a sliding door 70, which is movably mounted on the front frame 11 and is used to open and close the first fresh air exhaust vent 103.

[0097] Specifically, when the fresh air unit 500 is working, the sliding door 70 moves to the open position, at which time the first fresh air exhaust port 103 is exposed. The area where the first fresh air exhaust port 103 is located is the exterior surface. Fresh air (outdoor air) inside the fresh air unit 500 can be discharged from the fresh air outlet and discharged into the indoor space from the first fresh air exhaust port 103. Since the sliding door 70 is stored between the face frame 11 and the front panel 12 at this time, it will not block the fresh air exhaust of the first fresh air exhaust port 103, which helps to ensure the fresh air exhaust effect of the first fresh air exhaust port 103.

[0098] When the fresh air unit 500 is not working, the sliding door 70 moves to the closed position. At this time, the sliding door 70 moves at least partially to the bottom of the front panel 12, closing the first fresh air exhaust port 103. This can prevent dust and other foreign objects from entering the fresh air unit 500 from the first fresh air exhaust port 103, which helps to ensure that the fresh air unit 500 can work normally.

[0099] Therefore, by separately setting a sliding door 70 within the extremely thin space of the casing 10, that is, setting a separate sliding door 70 between the front frame 11 and the front panel 12, the first fresh air exhaust port 103 can be opened or closed as needed using the sliding door 70. This ensures that the sliding door 70 will not obstruct the fresh air exhaust when the fresh air device 500 is working. On the one hand, it can guarantee the fresh air exhaust effect of the first fresh air exhaust port 103, and on the other hand, it can make the fresh air exhaust visible, which is beneficial to improving the user experience. When the fresh air device 500 is not working, on the one hand, it can close the first fresh air exhaust port 103 to prevent dust and other foreign objects from entering the fresh air device 500 from the first fresh air exhaust port 103, which is beneficial to ensure that the fresh air device 500 can work normally. On the other hand, it can make the overall appearance of the wall-mounted air conditioner 1000 more flat.

[0100] The face frame 11 has an oiling part at the position where it mates with the sliding door 70. By applying lubricating oil to the oiling part, the smoothness of the sliding door 70's movement can be improved.

[0101] Reference Figure 3 and Figure 4 The face frame 11 is provided with an oil cut-off port 115, which runs through the face frame 11 in the front-to-back direction. That is, the oil cut-off port 115 is an opening that runs through the front and back. The oil cut-off port 115 is located below the oiling part and above the first fresh air exhaust port 103. In this way, when the lubricating oil at the oiling part flows downward to the oil cut-off port 115, the oil cut-off port 115 can cut off the flow path of the lubricating oil, that is, prevent the lubricating oil on the front side of the face frame 11 from continuing to flow downward, but instead flow from the oil cut-off port 115 to the rear side of the face frame 11, thus avoiding the lubricating oil from contaminating the outer surface of the face frame 11.

[0102] Furthermore, the front panel 12 covers the oil cut-off port 115, so that users will not see the oil cut-off port 115 from the front of the wall-mounted air conditioner 1000, nor will they see the lubricating oil traces above the oil cut-off port 115, thus ensuring the aesthetic appearance of the wall-mounted air conditioner 1000.

[0103] According to the embodiments of this application, the wall-mounted air conditioner 1000 has an oil-cutting port 115 provided below the oiling part and above the first fresh air exhaust port 103. The oil-cutting port 115 can cut off the flow path of the lubricating oil, preventing the lubricating oil from flowing downward to the appearance surface of the frame 11 located below the oil-cutting port 115, which would cause a large area of ​​oil stains to form on the appearance surface. This can reduce the maintenance difficulty for users and improve the user experience. Covering the oil-cutting port 115 with the front panel 12 allows the oil-cutting port 115 to be hidden, further improving the appearance of the wall-mounted air conditioner 1000. The structure of the oil-cutting port 115 is simple and easy to process, and it does not occupy additional space in the front and rear directions of the frame 11.

[0104] Please refer to this again. Figure 4 According to some embodiments of this application, the oil cut-off port 115 is an elongated strip extending along the length direction (left-right direction) of the face frame 11, and the dimension of the oil cut-off port 115 in the length direction of the face frame 11 is larger than the dimension of the oiling portion in the length direction of the face frame 11.

[0105] This configuration ensures that all lubricating oil flowing downwards from the oiling section is cut off by the corresponding oil cut-off port 115, reducing the likelihood of lubricating oil contaminating the exterior surface of the face frame 11 located below the oil cut-off port 115.

[0106] Please refer to this again. Figure 4 According to some embodiments of this application, at least one oil cut-off port 115 has a first oil guiding portion 1161 at both its left and right ends. In the length direction of the face frame 11, the two first oil guiding portions 1161 gradually extend downward in a direction close to each other to guide the lubricating oil into the oil cut-off port 115.

[0107] In this embodiment of the application, by providing first oil guiding parts 1161 at both ends of the oil cut-off port 115, the first oil guiding parts 1161 can guide the lubricating oil to flow downward into the oil cut-off port 115, so that the oil cut-off port 115 can cut off all the downward flow path of the lubricating oil, further reducing the probability of lubricating oil contaminating the appearance surface of the face frame 11 located below the oil cut-off port 115.

[0108] Please refer to this again. Figure 4 and Figure 9According to some embodiments of this application, at least one oil cut-off port 115 has a second oil guide portion 1162 on its lower side. The second oil guide portion 1162 protrudes at least partially from the side surface of the face frame 11 facing the front panel 12 to receive lubricating oil. The second oil guide portion 1162 extends at least partially downward from front to back to guide the lubricating oil from the oil cut-off port 115 to the side of the face frame 11 away from the front panel 12.

[0109] In this embodiment of the application, by providing a second oil guide 1162 on the lower side of the oil cut-off port 115, on the one hand, the dripping lubricating oil can be received, the flow path of the lubricating oil can be cut off, and the lubricating oil can be prevented from continuing to flow downward. On the other hand, the lubricating oil at the oil cut-off port 115 can be guided to flow to the rear side of the face frame 11, so that the lubricating oil avoids the outer surface of the face frame 11 located below the oil cut-off port 115.

[0110] Reference Figure 1 and Figure 2 According to some embodiments of this application, the sliding door 70 is movably disposed on the face frame 11 along the height direction (vertical direction) between the open position and the closed position. In the open position, the sliding door 70 is housed between the face frame 11 and the front panel 12 to open the first fresh air exhaust vent 103. In the closed position, the sliding door 70 is at least partially moved to the bottom of the front panel 12 to close the first fresh air exhaust vent 103.

[0111] In this embodiment, when the sliding door 70 is in the open position, it is stored between the face frame 11 and the front panel 12, so that the sliding door 70 will not block the fresh air and exhaust air, thus ensuring the fresh air and exhaust air effect of the first fresh air and exhaust air outlet 103.

[0112] Reference Figure 5 and Figure 6 According to some embodiments of this application, the wall-mounted air conditioner 1000 further includes: a guide rail 60, which is fixed to the side of the front panel 11 facing the front panel 12 and extends along the height direction of the front panel 11; the sliding door 70 is slidably engaged with the guide rail 60 to move along the height direction of the front panel 11 under the guidance of the guide rail 60.

[0113] Specifically, when the fresh air unit 500 is working, the sliding door 70 can move upward under the guidance of the guide rail 60, so that the sliding door 70 moves from the closed position to the open position; when the fresh air unit 500 is not working, the sliding door 70 can also move downward under the guidance of the guide rail 60, so that the sliding door 70 moves from the open position to the closed position.

[0114] In this embodiment, by setting a guide rail 60 on the face frame 11, it can play a limiting and guiding role, so that the sliding door 70 can move between the open position and the closed position along the height direction of the face frame 11, ensuring that the first fresh air exhaust port 103 can be opened and closed normally.

[0115] At least one oiling part is located on the guide rail 60, and at least one oil cutting port 115 is a first oil cutting port 1151, which is located below the guide rail 60.

[0116] In other words, lubricating oil can be applied to the guide rail 60 to reduce the friction between the guide rail 60 and the sliding door 70, allowing the sliding door 70 to move more smoothly. The first oil outlet 1151 is located below the guide rail 60, and the two are positioned correspondingly. When the lubricating oil at the guide rail 60 flows downward to the first oil outlet 1151, the first oil outlet 1151 can cut off the flow path of the lubricating oil, that is, prevent the lubricating oil on the front side of the face frame 11 from continuing to flow downward, and instead flow from the first oil outlet 1151 to the rear side of the face frame 11, thus preventing the lubricating oil from contaminating the outer surface of the face frame 11.

[0117] For example, the dimension of the first oil port 1151 in the length direction of the face frame 11 is greater than the dimension of the guide rail 60 in the length direction of the face frame 11, that is, the dimension of the first oil port 1151 in the left-right direction is greater than the dimension of the guide rail 60 in the left-right direction, so that all the lubricating oil flowing downward from the guide rail 60 is cut off by the first oil port 1151, reducing the probability of lubricating oil contaminating the appearance surface of the face frame 11 located below the first oil port 1151.

[0118] The guide rail 60 can be made of metal, which helps to improve the deformation resistance of the guide rail 60 and effectively avoids the impact of deformation of the guide rail 60 on the accuracy of the sliding door 70, thereby further improving the moving reliability and stability of the sliding door 70.

[0119] Please refer to this again. Figure 6 and further refer to Figures 7-9 According to some embodiments of this application, the guide rail 60 has a first positioning part 61, and the face frame 11 has a second positioning part 111, which cooperates with the first positioning part 61. By providing the first positioning part 61 and the second positioning part 111, the guide rail 60 can be positioned on the face frame 11. On the one hand, the guide rail 60 can be pre-positioned before fixing, which facilitates the subsequent fixing operation and improves the installation efficiency of the guide rail 60. On the other hand, it can provide auxiliary limiting and fixing for the guide rail 60, which helps to improve the installation reliability of the guide rail 60 on the face frame 11.

[0120] In some embodiments, one of the first positioning part 61 and the second positioning part 111 is a positioning post, and the other is a positioning hole, with the positioning post and the positioning hole being inserted into each other.

[0121] Reference Figures 7-9In this embodiment, the first positioning part 61 is a positioning hole that passes through the guide rail 60 in the front-back direction, and the second positioning part 111 is a positioning post that extends in the front-back direction and is connected to the face frame 11 at its rear end.

[0122] Please refer to this again. Figure 6 and Figure 9 According to some embodiments of this application, the guide rail 60 has a connecting hole 62, and the guide rail 60 is fixed to the face frame 11 by a first fastener 67, which passes through the connecting hole 62. By setting the fastener, the guide rail 60 can be fixed on the face frame 11, the assembly and disassembly steps are simple, and the installation reliability of the guide rail 60 on the face frame 11 can be guaranteed.

[0123] For example, the guide rail 60 has a connecting hole 62, and the face frame 11 has a mating hole 117 corresponding to the position of the connecting hole 62. The mating hole 117 can be a threaded hole, and the first fastener 67 is a threaded fastener. The first fastener 67 passes through the connecting hole 62 and is threadedly connected to the mating hole 117, so that the guide rail 60 can be fixed on the face frame 11.

[0124] For example, the guide rail 60 has a connecting hole 62, and the face frame 11 has a mating hole 117 corresponding to the position of the connecting hole 62. The mating hole 117 can be a hole structure with smooth hole walls. The first fastener 67 passes through the connecting hole 62 and is either interference-fitted or riveted to the mating hole 117.

[0125] Of course, the structure of the connecting hole 62 and the first fastener 67 is not limited to the above structure. As long as the guide rail 60 can be fixed on the face frame 11, it is within the protection scope of this application.

[0126] The first positioning part 61 and the connecting hole 62 are arranged at intervals in the extending direction of the guide rail 60. That is, the first positioning part 61 and the connecting hole 62 are arranged at intervals in the height direction of the face frame 11.

[0127] This design allows for positioning or fixing of the guide rail 60 at different locations, which improves the reliability and stability of the guide rail 60 on the face frame 11. On the other hand, it reduces local stress on the guide rail 60, reduces deformation of the guide rail 60, and ensures that the sliding door 70 can move smoothly and reliably.

[0128] Please refer to further details. Figure 6 and Figure 9 According to some embodiments of this application, the number of connecting holes 62 and the number of first positioning parts 61 are at least two, the guide rail 60 has an axisymmetric structure, the axis of symmetry of the guide rail 60 is perpendicular to the extension direction of the guide rail 60, the two connecting holes 62 are symmetrically arranged about the axis of symmetry, and one of them is selected to cooperate with the first fastener 67, and the two first positioning parts 61 are symmetrically arranged about the axis of symmetry.

[0129] In other words, taking the center line of the guide rail 60 perpendicular to the extension direction as the boundary, the first part and the second part located on both sides of the center line of the guide rail 60 have the same structure. Each of the first part and the second part is provided with a first positioning part 61 and a connecting hole 62. The first positioning part 61 on the first part of the guide rail 60 cooperates with a second positioning part 111 on the face frame 11, and the first positioning part 61 on the second part of the guide rail 60 cooperates with another second positioning part 111 on the face frame 11, so that the guide rail 60 is pre-positioned on the face frame 11. The connecting hole 62 on one of the first part and the second part can cooperate with the first fastener 67, thereby fixing the guide rail 60 to the face frame 11.

[0130] In this embodiment, by setting the guide rail 60 as an axisymmetric structure, when installing the guide rail 60, it is not necessary to spend a lot of time determining the ease of installation of the guide rail 60, which facilitates the positioning and installation of the guide rail 60 and helps to improve the installation efficiency of the guide rail 60. Furthermore, the selective engagement of one of the two connecting holes 62 with the first fastener 67 can prevent the guide rail 60 from deforming due to over-positioning, thus affecting the movement of the sliding door 70 and improving the movement stability and reliability of the sliding door 70.

[0131] Please refer to this again. Figure 6 and Figure 9 Both ends of the guide rail 60 in the extension direction can be provided with insertion parts 64, and the face frame 11 is provided with insertion holes 113. When installing the guide rail 60 on the face frame 11, the insertion part 64 at one end of the guide rail 60 can be inserted into the insertion hole 113 of the face frame 11 first, then the first positioning part 61 on the guide rail 60 can be engaged with the second positioning part 111 on the face frame 11, and finally the first fastener 67 can be engaged with the connecting hole 62 on the guide rail 60 and the mating hole 117 on the face frame 11 to fix the guide rail 60 on the face frame 11.

[0132] According to some embodiments of this application, the housing 10 further includes a protective plate 13, which is disposed between the face frame 11 and the front panel 12 and covers the first oil port 1151.

[0133] The protective plate 13 and the face frame 11 define a mounting cavity 1301 with a bottom opening 1302. The guide rail 60 is disposed in the mounting cavity 1301. In the open position, the sliding door 70 is housed in the mounting cavity 1301. In the closed position, the sliding door 70 extends at least partially from the bottom opening 1302 out of the mounting cavity 1301.

[0134] In this embodiment, a protective plate 13 is provided between the face frame 11 and the front panel 12, defining a mounting cavity 1301 between the protective plate 13 and the face frame 11. This allows the guide rail 60 to be installed into the mounting cavity 1301, protecting the guide rail 60 and preventing it from interfering with nearby structures and affecting the movement of the sliding door 70. The mounting cavity 1301 can also retract the sliding door 70 when it is in the open position, ensuring that the sliding door 70 does not obstruct the fresh air exhaust and thus guaranteeing the fresh air exhaust effect of the first fresh air exhaust port 103.

[0135] Please refer to this again. Figure 9 and further refer to Figures 10-12 The protective plate 13 and the face frame 11 are detachably connected by a second fastener 132, which passes through the guide rail 60. Since the second fastener 132 passes through the guide rail 60, it can also provide auxiliary fixation for the guide rail 60, further improving the installation stability and reliability of the guide rail 60.

[0136] Reference Figure 12 The edge of the protective plate 13 is provided with a plurality of first snap-fit ​​parts 131, and the face frame 11 is provided with a plurality of snap-fit ​​holes. The plurality of first snap-fit ​​parts 131 are engaged with the plurality of snap-fit ​​holes, thereby fixing the edge of the protective plate 13 to the face frame 11 and preventing the protective plate 13 from deforming.

[0137] The fresh air device 500 includes an intake port 106 and a filter element, which is adapted to be installed into the fresh air volute from the intake port 106. Correspondingly, the protective plate 13 is provided with a clearance opening 1303, which is positioned to correspond with the intake port 106 so as to expose the intake port 106 and allow the filter element to be properly taken out and placed.

[0138] According to some embodiments of this application, the wall-mounted air conditioner 1000 further includes a drive assembly 80, which can drive the sliding door 70 to move along the height direction of the casing 10.

[0139] The drive assembly 80 includes a drive motor 82 and a transmission mechanism 81. The drive motor 82 is located on the face frame 11. The transmission mechanism 81 includes a rotating member 811 and a moving member 812 that are connected in transmission. The rotating member 811 rotates under the drive of the drive motor 82. The moving member 812 is movable along the height direction of the face frame 11 and is connected to the sliding door 70 so as to drive the sliding door 70 to move along the height direction of the face frame 11.

[0140] When the fresh air unit 500 is working, the drive motor 82 can drive the rotating part 811 to rotate. Since the rotating part 811 is connected to the moving part 812 through transmission, the rotating part 811 can drive the moving part 812 to move upward, so that the moving part 812 can drive the sliding door 70 to move upward, thereby opening the first fresh air exhaust port 103.

[0141] When the fresh air unit 500 stops working, the drive motor 82 can drive the rotating part 811 to rotate in the opposite direction. The rotating part 811 can drive the moving part 812 to move downward, so that the moving part 812 can drive the sliding door 70 to move downward, thereby closing the first fresh air exhaust port 103.

[0142] In this embodiment of the application, by setting a drive motor 82 and a transmission mechanism 81, the electric drive of the sliding door 70 can be realized, so that the opening and closing of the first fresh air exhaust port 103 of the sliding door 70 can be controlled as needed, which is convenient.

[0143] In this configuration, at least one oiling portion is located on the rotating member 811, and at least one oil cutting port 115 is a second oil cutting port 1152, which is located below the rotating member 811.

[0144] In other words, lubricating oil can be applied to the rotating part 811 to reduce the friction between the rotating part 811 and the moving part 812, allowing the transmission mechanism 81 to operate more smoothly. The second oil port 1152 is located below the rotating part 811, and the two are positioned correspondingly. When the lubricating oil at the rotating part 811 flows downward to the second oil port 1152, the second oil port 1152 can cut off the flow path of the lubricating oil, that is, prevent the lubricating oil on the front side of the face frame 11 from continuing to flow downward, and instead flow from the second oil port 1152 to the rear side of the face frame 11, thus preventing the lubricating oil from contaminating the outer surface of the face frame 11.

[0145] For example, the second oil port 1152 is larger in length of the frame 11 than the rotating member 811 is in length of the frame 11. That is, the second oil port 1152 is larger in left-right direction than the rotating member 811 is in left-right direction of the frame 11. This ensures that all lubricating oil flowing downward from the rotating member 811 is cut off by the second oil port 1152, reducing the probability of lubricating oil contaminating the surface of the frame 11 below the second oil port 1152.

[0146] Reference Figure 5 and Figure 6 According to some embodiments of this application, at least two guide rails 60 are arranged in the length direction of the housing 10, that is, two guide rails 60 are arranged in the left and right directions of the housing 10.

[0147] Reference Figure 14The sliding door 70 includes a door body 71, two connecting parts 72, and a mounting part 73. The door body 71 is used to open and close the first fresh air exhaust port 103. The two connecting parts 72 are connected to the upper end of the door body 71, and the two connecting parts 72 are respectively slidably engaged with the two guide rails 60. The mounting part 73 is connected to the upper end of the door body 71 and is located between the two connecting parts 72. The moving part 812 is connected to the mounting part 73. That is, the two connecting parts 72 and the mounting part 73 are arranged at intervals in the left and right direction of the door body 71, and the mounting part 73 is located between the two connecting parts 72.

[0148] In this embodiment, by configuring the sliding door 70 to include a door body 71, two connecting parts 72 and a mounting part 73, the sliding door 70 is functionally partitioned. On the one hand, this simplifies the structure of the sliding door 70 and reduces the amount of material used, thereby reducing production costs. On the other hand, it allows the connecting parts 72 and the mounting part 73 to form a cantilever structure. This makes it easier to connect the sliding door 70 to the guide rail 60 and the moving part 812 by adjusting the connecting parts 72 and the mounting part 73 as needed.

[0149] For example, both sides of the guide rail 60 in the width direction have guide grooves 63 extending in the vertical direction, and the connecting part 72 has guide ribs 721 extending in the vertical direction. The two guide grooves 63 of each guide rail 60 are selectively engaged with the guide groove 63 on the corresponding connecting part 72, so that the sliding door 70 can move in the vertical direction under the guidance of the guide rail 60.

[0150] For example, the movable member 812 is provided with a second engaging part 8121, and the movable member 812 is engaged with the mounting part 73 through the second engaging part 8121. The mounting part 73 is provided with a downwardly extending latch 731, and the mounting part 73 is engaged with the movable member 812 through the latch 731, thereby realizing the connection between the movable member 812 and the mounting part 73, so that the movable member 812 can drive the sliding door 70 to move in the up and down direction.

[0151] For example, the rotating member 811 may include a gear, and the moving member 812 may include a rack extending in the vertical direction, with teeth on both sides of the rack. The gear can mesh with the teeth on one side (e.g., the rear side) of the rack, and the latch 731 can engage with the teeth on the other side (the front side) of the rack. A second engaging portion 8121 is provided at one end and / or in the middle of the rack in the length direction, and the second engaging portion 8121 can engage with the mounting portion 73.

[0152] Of course, the transmission mechanism 81 can also be other forms such as a screw-slider mechanism. Any structure that can convert the rotational motion of the drive motor 82 into the moving motion of the sliding door 70 is within the scope of protection of this application.

[0153] Reference Figure 3According to some embodiments of this application, at least two guide rails 60 are arranged in the length direction of the face frame 11, and the drive motor 82 and the rotating member 811 are located between the two guide rails 60; in the length direction of the face frame 11, the second oil port 1152 is located between at least two first oil ports 1151, and the first oil ports 1151 and the second oil ports 1152 are at the same height position.

[0154] In this embodiment of the application, by setting the first oil outlet 1151 and the second oil outlet 1152 at the same height, on the one hand, the structures of the first oil outlet 1151 and the second oil outlet 1152 can be made consistent, which is convenient for processing, and on the other hand, the structure of the face frame 11 can be made more neat.

[0155] Please refer to this again. Figure 5 and Figure 6 According to some embodiments of this application, the face frame 11 has a limiting groove 114 extending along its height direction, and the moving member 812 is slidably engaged with the limiting groove 114. By providing the limiting groove 114 on the face frame 11, the moving member 812 can be limited, improving the installation reliability and stability of the moving member 812. On the other hand, the moving member 812 can be guided, improving the movement stability of the moving member 812, so that the moving member 812 can move along the height direction of the face frame 11 under the drive of the rotating member 811, thereby driving the sliding door 70 to move along the height direction of the face frame 11.

[0156] Reference Figure 9 According to some embodiments of this application, the lower end of the sliding door 70 facing the face frame 11 has an oil receiving groove 710, that is, the oil receiving groove 710 is located at the lower inner end of the sliding door 70, the oil receiving groove 710 is located below the oiling part, and the groove opening of the oil receiving groove 710 is arranged facing upwards to receive lubricating oil.

[0157] In this embodiment, an oil receiving groove 710 is provided at the lower end of the side of the sliding door 70 facing the face frame 11. The oil receiving groove 710 can be used to collect and store lubricating oil, preventing the lubricating oil from dripping down from the gap between the face frame 11 and the sliding door 70 and leaking out, thus preventing pollution of the space below the wall-mounted air conditioner 1000.

[0158] In some embodiments, the oil receiving groove 710 extends along the width direction of the sliding door 70, that is, the oil receiving groove 710 extends along the length direction of the face frame 11, and the dimension of the oil receiving groove 710 in the width direction of the sliding door 70 is larger than the dimension of the oiling portion in the width direction of the sliding door 70. For example, one end of the oil receiving groove 710 extends to one side of the sliding door 70 in the width direction, and the other end of the oil receiving groove 710 extends to the other side of the sliding door 70 in the width direction. This configuration...

[0159] Reference Figure 15According to some embodiments of this application, a second fresh air exhaust port 104 is provided at the front of the bottom wall of the face frame 11, and an air passage cavity 105 is provided inside the face frame 11. The first fresh air exhaust port 103 and the second fresh air exhaust port 104 are both connected to the fresh air outlet through the air passage cavity 105.

[0160] When the fresh air unit 500 is working, the first fresh air exhaust port 103 can be closed by sliding door 70. In this way, the fresh air discharged from the fresh air outlet flows into the air passage 105 and can be discharged into the indoor space from the second fresh air exhaust port 104, thus achieving downward exhaust of fresh air. Alternatively, the first fresh air exhaust port 103 can be opened by sliding door 70. In this way, the fresh air discharged from the fresh air outlet flows into the air passage 105 and can be discharged into the indoor space from the first fresh air exhaust port 103 and the second fresh air exhaust port 104 respectively, thus achieving forward and downward exhaust of fresh air.

[0161] In this embodiment, a first fresh air exhaust port 103 is provided on the lower front side of the face frame 11, and a second fresh air exhaust port 104 is provided on the front bottom wall of the face frame 11. Different exhaust methods can be selected as needed. When the first fresh air exhaust port 103 and the second fresh air exhaust port 104 are used to exhaust fresh air together, on the one hand, the fresh air output volume can be increased, and fresh air can be quickly replaced, which is beneficial to improving the user experience. On the other hand, fresh air can be exhausted in multiple directions, expanding the diffusion range of fresh air and further improving the user experience.

[0162] Please refer to this again. Figures 1-2 According to some embodiments of this application, the heat exchange outlet 102 includes a first outlet 1021 and a second outlet 1022. The first outlet 1021 and the second outlet 1022 are connected to each other. The first outlet 1021 is located at the lower front side of the face frame 11, and the second outlet 1022 is located at the front bottom wall of the face frame 11.

[0163] The wall-mounted air conditioner 1000 also includes: a first air guide plate (not shown in the figure), which is movably disposed at the first air outlet 1021 and is used to open and close the first air outlet 1021. When the first air guide plate is in the state of closing the first air outlet 1021, the width direction of the first air guide plate extends in the vertical direction.

[0164] The wall-mounted air conditioner 1000 also includes a second air guide plate (not shown in the figure), which is movably disposed at the second air outlet 1022 and is used to open and close the second air outlet 1022. When the second air guide plate is in the state of closing the second air outlet 1022, the width direction of the second air guide plate extends in the front-back direction.

[0165] In other words, when the first air guide plate closes the first air outlet 1021 and the second air guide plate closes the second air outlet 1022, the first air guide plate and the second air guide plate are set vertically, so that the whole unit of the wall-mounted air conditioner 1000 is roughly a cuboid, with a flat and novel appearance.

[0166] The first air outlet 1021 and the first fresh air exhaust vent 103 are arranged side by side along the length of the face frame 11. When the sliding door 70 is in the open position and the first air guide plate is in the closed position of the first air outlet 1021, the outer surface of the sliding door 70 is flush with the outer surface of the first air guide plate.

[0167] This design makes the appearance of the wall-mounted air conditioner 1000 more neat and simple when it is off. The sliding door 70 and the first air guide plate open and close the first fresh air exhaust port 103 and the first air outlet 1021 respectively without interfering with each other. That is, when the sliding door 70 opens the first fresh air exhaust port 103, neither the first air guide plate nor the sliding door 70 will block the fresh air exhaust, making the air outlet of the first fresh air exhaust port 103 smoother and ensuring the fresh air exhaust effect of the first fresh air exhaust port 103.

[0168] In the description of this application, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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 application.

[0169] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0170] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. 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. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0171] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A wall-mounted air conditioner, characterized in that, The device includes a main body, which includes a casing, a base, an indoor heat exchanger, and a heat exchange fan. The casing has a heat exchange air inlet and a heat exchange air outlet. The base is located inside the casing and has a volute air duct. The heat exchange fan is located inside the volute air duct. The indoor heat exchanger is located inside the casing. The wall-mounted air conditioner is characterized in that it further includes a fresh air device, which is disposed inside the casing and located at one end of the heat exchange fan. The fresh air device includes a fresh air volute and a fresh air fan. The fresh air volute has a fresh air inlet, a fresh air outlet and a fresh air duct. The fresh air fan is disposed inside the fresh air duct. The rotation of the fresh air fan can allow outdoor air to enter the fresh air duct from the fresh air inlet and allow outdoor air entering the fresh air duct to enter the room from the fresh air outlet. The casing includes a front frame and a front panel. The front panel is located on the front side of the front frame. A first fresh air exhaust port is provided on the lower part of the front side of the front frame. The first fresh air exhaust port is located below the front panel and is connected to the fresh air outlet. The wall-mounted air conditioner also includes a sliding door, which is movably disposed on the front frame and used to open and close the first fresh air exhaust port; The face frame has an oiling section at the position where it mates with the sliding door. The face frame is provided with an oil-cutting port, which extends through the face frame in the front-to-back direction and is located below the oiling section and above the first fresh air exhaust port. It is used to cut off the flow path of the lubricating oil, and the front panel covers the oil-cutting port.

2. The wall-mounted air conditioner according to claim 1, characterized in that, The oil cut-off port is an elongated strip extending along the length of the face frame, and the dimension of the oil cut-off port in the length direction of the face frame is larger than the dimension of the oiling portion in the length direction of the face frame.

3. The wall-mounted air conditioner according to claim 1, characterized in that, At least one of the oil cut-off ports has a first oil guide portion at both ends in the length direction of the face frame. In the length direction of the face frame, the two first oil guide portions extend downward gradually in a direction close to each other to guide the lubricating oil into the oil cut-off port.

4. The wall-mounted air conditioner according to claim 1, characterized in that, At least one of the oil cut-off ports has a second oil guide portion on its lower side, the second oil guide portion protruding at least partially from the side surface of the face frame facing the front panel to receive the lubricating oil, the second oil guide portion extending at least partially downward from front to back to guide the lubricating oil from the oil cut-off port to the side of the face frame away from the front panel.

5. The wall-mounted air conditioner according to claim 1, characterized in that, The sliding door is movably disposed on the face frame between an open position and a closed position along the height direction of the face frame. In the open position, the sliding door is housed between the face frame and the front panel to open the first fresh air exhaust vent. In the closed position, the sliding door is at least partially moved to the bottom of the front panel to close the first fresh air exhaust vent.

6. The wall-mounted air conditioner according to claim 5, characterized in that, The wall-mounted air conditioner also includes: A guide rail is fixed to the side of the face frame facing the front panel and extends along the height direction of the face frame. The sliding door slides in cooperation with the guide rail to move along the height direction of the face frame under the guidance of the guide rail. Wherein, at least one of the oiling parts is located on the guide rail, and at least one of the oil-cutting ports is a first oil-cutting port, which is located below the guide rail.

7. The wall-mounted air conditioner according to claim 6, characterized in that, The housing also includes a protective plate, which is disposed between the faceplate and the front panel and covers the first oil cut-off port; The protective plate and the face frame define a mounting cavity with a bottom opening. The guide rail is disposed in the mounting cavity. In the open position, the sliding door is housed in the mounting cavity. In the closed position, the sliding door extends at least partially from the bottom opening into the mounting cavity.

8. The wall-mounted air conditioner according to claim 6, characterized in that, The wall-mounted air conditioner also includes: A drive motor is disposed on the face frame; The transmission mechanism includes a rotating component and a moving component that are connected by transmission. The rotating component rotates under the drive of the drive motor, and the moving component is movable along the height direction of the face frame and connected to the sliding door, so as to drive the sliding door to move along the height direction of the face frame. Wherein, at least one of the oiling portions is located on the rotating member, and at least one of the oil-cutting ports is a second oil-cutting port, which is located below the rotating member.

9. The wall-mounted air conditioner according to claim 8, characterized in that, At least two of the guide rails are arranged along the length of the face frame, and the drive motor and the rotating component are located between the two guide rails; Along the length of the faceplate, the second oil cut-off port is located between at least two of the first oil cut-off ports, and the first oil cut-off ports and the second oil cut-off ports are at the same height.

10. The wall-mounted air conditioner according to any one of claims 1-9, characterized in that, The sliding door has an oil receiving groove at its lower end on the side facing the face frame. The oil receiving groove is located below the oiling part and its opening faces upward, and is used to receive lubricating oil.

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