Window-type air conditioner

Abstract

The application discloses a window type air conditioner, which comprises a casing, a fan assembly and a heat exchanger assembly. The casing is provided with an outdoor air inlet, an outdoor air outlet, an indoor air inlet, an indoor air outlet, a fresh air inlet and a fresh air outlet. The casing is internally provided with an outdoor air duct connecting the outdoor air inlet and the outdoor air outlet, an indoor air duct connecting the indoor air inlet and the indoor air outlet and a fresh air duct connecting the fresh air inlet and the fresh air outlet. The fan assembly comprises an outdoor fan, an indoor fan, a fresh air fan, a first motor and a second motor. The heat exchanger assembly comprises an outdoor heat exchanger and an indoor heat exchanger. The outdoor heat exchanger and the outdoor fan are arranged in the outdoor air duct, and the outdoor fan is connected with the first motor. The indoor heat exchanger and the indoor fan are arranged in the indoor air duct, and the indoor fan and the fresh air fan are connected with the second motor. According to the window type air conditioner, the number of parts can be reduced, the complexity of the whole machine can be reduced, the structure of the whole machine is compact, and the volume of the whole machine can be reduced.

Description

Technical Field

[0001] This invention relates to the field of air conditioning equipment, and in particular to a window air conditioner. Background Technology

[0002] In related technologies, window air conditioners with fresh air functions use a separate motor to drive the fresh air impeller that brings outdoor air into the room. This increases the number of components, making the overall structure more complex and the overall size of the unit larger. Therefore, improvements are needed. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide a window air conditioner in which the fresh air impeller and the indoor impeller share a single motor, which can reduce the number of parts, reduce the complexity of the whole unit, make the structure of the whole unit compact, and help to reduce the size of the whole unit.

[0004] A window air conditioner according to an embodiment of the present invention includes: a housing having an outdoor air inlet, an outdoor air outlet, an indoor air inlet, an indoor air outlet, a fresh air inlet, and a fresh air outlet formed thereon; an outdoor air duct, an indoor air duct, and a fresh air duct inside the housing; the outdoor air duct connecting the outdoor air inlet and the outdoor air outlet; the indoor air duct connecting the indoor air inlet and the indoor air outlet; and the fresh air duct connecting the fresh air inlet and the fresh air outlet; a fan assembly including an outdoor impeller, an indoor impeller, a fresh air impeller, a first motor, and a second motor; the outdoor impeller being disposed in the outdoor air duct and connected to the first motor; the indoor impeller being disposed in the indoor air duct; the fresh air impeller being disposed in the fresh air duct; and both the indoor impeller and the fresh air impeller being connected to the second motor; and a heat exchanger assembly including an outdoor heat exchanger and an indoor heat exchanger; the outdoor heat exchanger being disposed in the outdoor air duct; and the indoor heat exchanger being disposed in the indoor air duct.

[0005] According to an embodiment of the present invention, the window air conditioner, by setting both the indoor fan wheel and the fresh air fan wheel to be connected to the second motor, can reduce the number of parts, reduce the complexity of the whole unit, make the structure of the whole unit compact, and help reduce the size of the whole unit.

[0006] According to some embodiments of the present invention, the second motor is a dual-shaft motor, and the indoor fan wheel and the fresh air fan wheel are respectively connected to the two output shafts of the second motor.

[0007] According to some embodiments of the present invention, both the outdoor wind turbine and the indoor wind turbine are cross-flow wind turbines; and / or, the fresh air wind turbine is a cross-flow wind turbine.

[0008] According to some embodiments of the present invention, the outdoor air duct and the indoor air duct are arranged in a horizontal direction, and the fresh air duct is located above the outdoor air duct and the indoor air duct.

[0009] According to some embodiments of the present invention, the rotation axes of both the outdoor wind turbine and the indoor wind turbine extend in the vertical direction, and the fresh air wind turbine is located directly above the indoor wind turbine and is coaxially arranged with the indoor wind turbine.

[0010] According to some embodiments of the present invention, the compressor of the window air conditioner is located below the indoor air duct and is opposite to the outdoor air duct in the horizontal direction.

[0011] According to some embodiments of the present invention, the fresh air inlet, the outdoor air inlet, and the outdoor air outlet are all formed on the rear side wall of the housing, the outdoor air inlet and the outdoor air outlet are arranged in a left-right direction, the fresh air inlet is located above the outdoor air outlet, at least a portion of the indoor air inlet is formed on the left side wall and / or the right side wall of the housing, and the indoor air outlet is formed on the front side wall of the housing.

[0012] According to some embodiments of the present invention, the window air conditioner further includes: an air duct assembly disposed within the housing, the air duct assembly including an air duct support member and an air duct cover member connected in a horizontal direction, the air duct support member and the air duct cover member together defining the outdoor air duct, the indoor air duct and the fresh air duct.

[0013] According to some embodiments of the present invention, both the air duct support component and the air duct cover component are integrally molded parts.

[0014] According to some optional embodiments of the present invention, outdoor air drawn in by the fresh air inlet is heated by the heat exchanger assembly and then blown out of the fresh air outlet into the room.

[0015] In some embodiments of the present invention, the heat exchanger assembly further includes a fresh air heat exchanger disposed within the fresh air duct, the fresh air duct being isolated from both the indoor duct and the outdoor duct.

[0016] In some embodiments of the present invention, the fresh air heat exchanger is connected in parallel with the indoor heat exchanger.

[0017] In some embodiments of the present invention, the fresh air heat exchanger is disposed directly above the outdoor heat exchanger, and the condensate on the fresh air heat exchanger can flow downward to the outdoor heat exchanger.

[0018] In some embodiments of the present invention, the indoor heat exchanger and the outdoor heat exchanger are arranged side by side in a horizontal direction. The bottom surface of the outdoor heat exchanger is provided with an outdoor water receiving tray, the bottom surface of the indoor heat exchanger is provided with an indoor water receiving tray, and the bottom surface of the fresh air heat exchanger is provided with a fresh air water receiving tray. A drain hole is formed on the fresh air water receiving tray, and the condensate on the fresh air heat exchanger is adapted to flow downward to the outdoor heat exchanger through the drain hole. The water in the indoor water receiving tray is adapted to be discharged into the outdoor water receiving tray, and a drain hole is formed on the outdoor water receiving tray.

[0019] In some embodiments of the present invention, the fresh air outlet and the indoor air inlet are located on the same side of the housing; or, the fresh air outlet and the indoor air inlet are located on opposite sides of the housing.

[0020] In some embodiments of the present invention, the fresh air duct is connected to the indoor air duct, and the fresh air outlet and the indoor air outlet are the same outlet.

[0021] Additional aspects and advantages of the 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

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0023] Figure 1 This is a perspective view of a window air conditioner according to some embodiments of the present invention;

[0024] Figure 2 yes Figure 1 A three-dimensional view of a window air conditioner from another perspective;

[0025] Figure 3 yes Figure 1 Front view of a window air conditioner in China;

[0026] Figure 4 yes Figure 1 A top view of a window air conditioner in the middle;

[0027] Figure 5 yes Figure 1 Exploded view of a window air conditioner;

[0028] Figure 6 yes Figure 1 An exploded view of a window air conditioner from another perspective;

[0029] Figure 7 yes Figure 1 Exploded view of a window air conditioner in China;

[0030] Figure 8 yes Figure 7 Schematic diagram of the structure of the duct assembly and fan assembly in the middle;

[0031] Figure 9 yes Figure 7 Another structural schematic diagram of the ductwork and fan components in the diagram;

[0032] Figure 10 yes Figure 1 A partial structural front view of a window-type air conditioner in China;

[0033] Figure 11 It is along Figure 10 A sectional view of line AA in the diagram;

[0034] Figure 12 It is along Figure 10 A sectional view of the BB line in the middle;

[0035] Figure 13 yes Figure 12 Enlarged view from E;

[0036] Figure 14 It is along Figure 10 A cross-sectional view of the CC line in the diagram;

[0037] Figure 15 It is along Figure 10 A sectional view of the DD line in the middle;

[0038] Figure 16 yes Figure 1 A schematic diagram of the air intake and exhaust duct of a window-type air conditioner.

[0039] Figure 17 yes Figure 1 A schematic diagram of the air intake and exhaust duct of a window air conditioner from another perspective;

[0040] Figure 18 yes Figure 1 A schematic diagram of the indoor and outdoor air ducts of a window air conditioner.

[0041] Figure 19 yes Figure 1 A schematic diagram of the indoor and outdoor air ducts of a window air conditioner from another perspective;

[0042] Figure 20 This is an exploded view of a window air conditioner according to other embodiments of the present invention;

[0043] Figure 21 yes Figure 20 An exploded view of a window air conditioner from another perspective;

[0044] Figure 22 yes Figure 20 A 3D view of a window air conditioner;

[0045] Figure 23 yes Figure 22 A three-dimensional view of a window air conditioner from another perspective.

[0046] Figure label:

[0047] 100. Window air conditioner;

[0048] 1. Housing;

[0049] 11. Chassis; 111. Outdoor water tray; 112. Drain hole; 12. Main casing; 121. Front casing; 1211. Indoor air inlet; 1212. Indoor air outlet; 1213. Fresh air outlet; 122. Rear casing; 1221. Outdoor air inlet; 1222. Outdoor air outlet; 1223. Fresh air inlet; 123. Fresh air guide plate; 124. Indoor air outlet guide plate;

[0050] 21. Outdoor fan wheel; 22. Indoor fan wheel; 23. Fresh air fan wheel; 24. First motor; 25. Second motor; 26. First bearing; 27. Second bearing; 28. Third bearing;

[0051] 31. Outdoor heat exchanger; 32. Indoor heat exchanger; 33. Fresh air heat exchanger;

[0052] 41. Duct cover component; 42. Duct support component; 43. Outdoor duct; 44. Indoor duct; 45. Fresh air duct; 46. Fresh air heat exchanger top cover; 47. Outdoor heat exchanger top cover; 471. Through hole;

[0053] 5. Electrical control components;

[0054] 61. Indoor drip tray; 62. Fresh air drip tray; 621. Drain hole; 63. Fresh air purification module;

[0055] 7. Receiving cavity. Detailed Implementation

[0056] Embodiments of the present invention 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 the present invention, and should not be construed as limiting the present invention.

[0057] A window air conditioner 100 according to an embodiment of the present invention will now be described with reference to the accompanying drawings, wherein the drawings show... Figure 4 , Figures 16-19 , Figure 23 The lines with arrows indicate the direction of airflow.

[0058] Reference Figures 1-7 , Figures 10-15 According to a first aspect embodiment of the present invention, a window air conditioner 100 includes a housing 1, a fan assembly, and a heat exchanger assembly. The housing 1 has an outdoor air inlet 1221, an outdoor air outlet 1222, an indoor air inlet 1211, an indoor air outlet 1212, a fresh air inlet 1223, and a fresh air outlet 1213. The housing 1 has an outdoor air duct 43, an indoor air duct 44, and a fresh air duct 45. The outdoor air duct 43 connects the outdoor air inlet 1221 and the outdoor air outlet 1222. The indoor air duct 44 connects the indoor air inlet 1211 and the indoor air outlet 1212. The fresh air duct 45 connects the fresh air inlet 1223 and the fresh air outlet 1213. After the window air conditioner 100 is installed on the window, the outdoor air inlet 1221, the outdoor air outlet 1222 and the fresh air inlet 1223 are all connected to the outside, and the indoor air inlet 1211, the indoor air outlet 1212 and the fresh air outlet 1213 are all connected to the inside.

[0059] The fan assembly includes an outdoor impeller 21, an indoor impeller 22, a fresh air impeller 23, a first motor 24, and a second motor 25. The outdoor impeller 21 is located in the outdoor air duct 43 and is connected to the first motor 24. The indoor impeller 22 is located in the indoor air duct 44, and the fresh air impeller 23 is located in the fresh air duct 45. Both the indoor impeller 22 and the fresh air impeller 23 are connected to the second motor 25.

[0060] The heat exchanger assembly includes an outdoor heat exchanger 31 and an indoor heat exchanger 32. The outdoor heat exchanger 31 is located in an outdoor air duct 43, and the indoor heat exchanger 32 is located in an indoor air duct 44. The heat exchanger assembly also includes a compressor, and the refrigerant in the heat exchanger assembly can be compressed by the compressor. The outdoor heat exchanger 31 and the indoor heat exchanger 32 are respectively connected to the two ends of the compressor of the window air conditioner 100. The end of the outdoor heat exchanger 31 away from the compressor is connected to the end of the indoor heat exchanger 32 away from the compressor.

[0061] When the heat exchanger assembly is working, the compressed refrigerant flows sequentially through the outdoor heat exchanger 31 and the indoor heat exchanger 32, and then flows back to the compressor from the indoor heat exchanger 32. This allows the air flowing through the indoor heat exchanger 32 to be cooled and the air flowing through the outdoor heat exchanger 31 to be heated.

[0062] Both the indoor fan wheel 22 and the fresh air fan wheel 23 are connected to the second motor 25. When the window air conditioner 100 is working, the second motor 25 can drive the indoor fan wheel 22 and the fresh air fan wheel 23 to rotate. When the indoor fan wheel 22 rotates, indoor air can flow into the indoor air duct 44 from the indoor air inlet 1211 under the drive of the indoor fan wheel 22, and then flow through the indoor heat exchanger 32 and into the room from the indoor air outlet 1212. When the heat exchanger assembly is working, the indoor air flows into the room after exchanging heat with the indoor heat exchanger 32, which can improve the indoor temperature. When the fresh air fan wheel 23 rotates, outdoor fresh air can flow into the fresh air duct 45 from the fresh air inlet 1223 under the drive of the fresh air fan wheel 23, and then flow into the room from the fresh air outlet 1213, which can improve the indoor air quality.

[0063] When the window air conditioner 100 is operating, the first motor 24 drives the outdoor fan wheel 21 to rotate. Outdoor air, driven by the outdoor fan wheel 21, flows from the outdoor air inlet 1221 into the outdoor air duct 43, then passes through the outdoor heat exchanger 31. After exchanging heat with the outdoor heat exchanger 31, the outdoor air flows out through the outdoor air outlet 1222 to the outside. When the heat exchanger assembly is operating, the outdoor air, after exchanging heat with the outdoor heat exchanger 31, flows to the outside, thus enabling the window air conditioner 100 to provide heating and / or cooling.

[0064] Both the indoor fan wheel 22 and the fresh air fan wheel 23 are connected to the second motor 25. When the second motor 25 is working, it can drive both the indoor fan wheel 22 and the fresh air fan wheel 25 at the same time. This eliminates the need for a separate motor to drive the fresh air fan wheel 23, which reduces the number of parts, lowers the complexity of the whole machine, and makes the whole machine more compact, which helps to reduce the size of the whole machine.

[0065] When the window air conditioner 100 is heating or cooling, the outdoor fan 21 and the indoor fan 22 have significantly different rotational speeds. Compared to air conditioners where the fresh air fan 23 and the outdoor fan 21 share a motor, the indoor fan 22 and the fresh air fan 25 share a second motor 25. When the second motor 25 is working, the indoor fan 22 and the fresh air fan 25 rotate synchronously at the same speed. This ensures that the air velocity of the fresh air blown out from the fresh air outlet 1213 is approximately the same as the air velocity of the indoor air blown out from the indoor air outlet 1212, resulting in a more uniform air velocity and more comfortable airflow from the window air conditioner 100 to the user.

[0066] Compared to air conditioners where the fresh air impeller 23 and the outdoor impeller 21 share a motor, when the fresh air impeller 23 or the motor driving the fresh air impeller 23 fails, both the fresh air impeller 23 and the second motor 25 are located indoors, making it easier for operators to maintain.

[0067] For example, the window air conditioner 100 may also include a fresh air purification module 63, which is located at the fresh air inlet 1223. The fresh air purification module 63 can be a purification filter or an air purifier. When the window air conditioner 100 is operating, as the fresh air impeller 23 drives outdoor air from the fresh air inlet 1223 into the fresh air duct 45, the fresh air purification module 63 purifies the air flowing into the fresh air duct 45, making the outdoor air blown out from the fresh air outlet 1213 cleaner, thereby improving the air quality in the indoor environment.

[0068] According to the window air conditioner 100 of the present invention, by connecting the fresh air impeller 23 to the second motor 25 that drives the indoor impeller 22 to rotate, the second motor 25 can rotate both the indoor impeller 22 and the fresh air impeller 23 at the same time, eliminating the need for a separate motor to drive the fresh air impeller 23. This reduces the number of parts, lowers the complexity of the whole unit, and makes the whole unit more compact, which is beneficial to reducing the size of the whole unit.

[0069] Reference Figure 9 and Figure 12 According to some embodiments of the present invention, the indoor fan wheel 21 and the fresh air fan wheel 23 are located on both sides of the axial direction of the second motor 25 and are both connected to the second motor 25. Compared with an air conditioner in which the fresh air fan wheel 23 is indirectly driven by the motor through the outdoor fan wheel 21, the fresh air fan wheel 23 is directly connected to the second motor 25. The connection between the fresh air fan wheel 23 and the second motor 25 is more reliable. The second motor 25 directly drives the fresh air fan wheel 23 and the indoor fan wheel 22 to rotate. This can reduce or avoid the influence of the indoor fan wheel 22 on the fresh air fan wheel 23, improve the reliability of the fan assembly, ensure the normal operation of the indoor fan wheel 22 and the fresh air fan wheel 23, improve the reliability of the window air conditioner 100, and improve the overall performance of the window air conditioner 100.

[0070] For example, in some specific embodiments of the present invention, the second motor 25 can be a dual-shaft motor, with the indoor fan 22 and the fresh air fan 23 respectively connected to the two output shafts of the second motor 25. Compared with an air conditioner where the fresh air fan 23 is indirectly driven by the motor through the outdoor fan 21, the indoor fan 22 and the fresh air fan 23 are respectively located at both ends of the second motor 25, which makes the forces on both ends of the second motor 25 more balanced, and makes the operation of the second motor 25 more stable. This allows the indoor fan 22 and the fresh air fan 23 to operate more stably, reducing the noise generated during the operation of the window air conditioner 100 and improving the overall performance of the window air conditioner 100.

[0071] Reference Figures 7-15According to some embodiments of the present invention, both the outdoor impeller 21 and the indoor impeller 22 are cross-flow impellers; cross-flow impellers can drive more air per unit time. By setting the indoor impeller 22 as a cross-flow impeller, when the heat exchanger assembly is working, the indoor impeller 22 can drive more indoor air to flow through the indoor heat exchanger 32 per unit time, thereby accelerating the efficiency of the window air conditioner 100 in regulating the indoor ambient temperature.

[0072] By configuring the outdoor fan 21 as a cross-flow fan, more air can be driven through the outdoor heat exchanger 31 per unit time when the heat exchanger assembly is working. This improves the heat exchange efficiency between the outdoor heat exchanger 31 and the outdoor air, thereby increasing the overall efficiency of the heat exchanger assembly. By configuring both the outdoor fan 21 and the indoor fan 22 as cross-flow fans, the efficiency of the heat exchanger assembly is improved, enhancing the overall performance of the window air conditioner 100.

[0073] Reference Figures 7-15 According to some embodiments of the present invention, the fresh air impeller 23 is a cross-flow impeller. When the fresh air impeller 23 is working, it can drive more outdoor air to flow into the room per unit time, thereby improving the effect of the window air conditioner 100 in improving indoor air quality and enhancing the overall performance of the window air conditioner 100.

[0074] Reference Figures 7-19 , Figure 21 According to some embodiments of the present invention, the outdoor air duct 43 and the indoor air duct 44 are arranged horizontally, and the fresh air duct 45 is located above the outdoor air duct 43 and the indoor air duct 44. Since the air in the outdoor air duct 43 enters through the outdoor air inlet 1221 and exits through the outdoor air outlet 1222, and the air in the indoor air duct 44 enters through the indoor air inlet 1211 and exits through the indoor air outlet 1212, arranging the indoor air duct 44 horizontally can ensure that the indoor air flowing through the indoor air duct 44 does not interfere with the outdoor air flowing through the outdoor air duct 43, thereby reducing the space occupied by the window air conditioner 100 in the vertical direction and making the structure of the window air conditioner 100 more compact.

[0075] Since the fresh air impeller 23 needs to drive outdoor air into the room, placing the fresh air duct 45 above the outdoor duct 43 and the indoor duct 44 can prevent the fresh air duct 45 from interfering with or affecting the outdoor duct 43 and the indoor duct 44, making the layout more reasonable.

[0076] Reference Figures 7-9 , Figure 21According to some embodiments of the present invention, the rotation axes of both the outdoor fan wheel 21 and the indoor fan wheel 22 extend vertically, and the fresh air fan wheel 23 is located directly above the indoor fan wheel 22, and the fresh air fan wheel 23 is coaxially arranged with the indoor fan wheel 22, that is, the rotation axis of the fresh air fan wheel 23 also extends vertically. This makes full use of the vertical space inside the room and prevents the window air conditioner 100 from excessively encroaching on the user's activity space. For example, when the window air conditioner 100 is installed on a window, it can prevent the window 100 from excessively occupying the horizontal dimensions of the window, thus providing the user with a wider field of vision.

[0077] By setting the rotation shaft of the outdoor fan wheel 21 to extend in the vertical direction, when the first motor 24 drives the outdoor fan wheel 21 to rotate, the eccentricity of the outdoor fan wheel 21 under its own gravity can be reduced or avoided, so that the first motor 24 and the outdoor fan wheel 21 can rotate more stably, thereby further reducing the noise generated by the window air conditioner 100 during operation and improving the overall performance of the window air conditioner 100.

[0078] By coaxially positioning the fresh air impeller 23 directly above the indoor impeller 22, the second motor 25 can drive the indoor impeller 22 and the fresh air impeller 23 to rotate, resulting in a more balanced force on the second motor 25 in the circumferential direction and more stable rotation. Simultaneously, it can reduce or avoid the eccentricity of the indoor impeller 22 and the fresh air impeller 23 under their own weight, allowing the second motor 25 to drive the outdoor impeller 21 and the fresh air impeller 23 to rotate more stably. This further reduces the noise generated by the window air conditioner 100 during operation and improves the overall performance of the window air conditioner 100.

[0079] Optionally, the diameter of the fresh air impeller 23 is equal to the diameter of the indoor impeller 22. When the second motor 25 drives the indoor impeller 22 and the fresh air impeller 23 to rotate, the force exerted by the indoor impeller 22 on the second motor 25 in the horizontal direction and the force exerted by the fresh air impeller 23 on the second motor 25 in the horizontal direction are approximately the same. This can further balance the force exerted on the second motor 25 in the horizontal direction, making the second motor 25 run more smoothly. This makes the rotation of the fresh air impeller 23 and the indoor impeller 22 more smooth, thereby reducing the noise generated when the window air conditioner 100 is working and improving the overall performance of the window air conditioner 100.

[0080] Reference Figures 5-7 , Figures 10-12 , Figure 20 , Figure 21According to some embodiments of the present invention, the compressor of the window air conditioner 100 is located below the indoor air duct 44, and the compressor of the window air conditioner 100 is horizontally opposite to the outdoor air duct 43. This makes the structure of the window air conditioner 100 more compact and reduces the space occupied by the window air conditioner 100. Compared with the window air conditioner 100 where the compressor is located below the indoor air duct 44 and the outdoor air duct 43, the length of the outdoor air duct 43 in the vertical direction can be extended, the area of ​​the outdoor air inlet 1221 and the outdoor air outlet 1222 can be increased, the air intake of the outdoor air duct 43 can be increased, and the heat exchange efficiency of the heat exchanger assembly can be improved.

[0081] Reference Figures 1-7 , Figures 14-23 According to some embodiments of the present invention, the fresh air inlet 1223, the outdoor air inlet 1221, and the outdoor air outlet 1222 are all formed on the rear sidewall of the housing 1. The outdoor air inlet 1221 and the outdoor air outlet 1222 are arranged in a left-right direction, and the fresh air inlet 1223 is located above the outdoor air outlet 1222 and the outdoor air inlet 1221. By setting the outdoor air inlet 1221 and the outdoor air outlet 1222 to be arranged in a left-right direction, when the outdoor fan 21 is working, after the outdoor fan 21 drives the outdoor air into the outdoor air duct 43, the outdoor air can be quickly discharged from the outdoor air outlet 1222, and the outdoor air that has exchanged heat with the outdoor heat exchanger 31 can be discharged from the outdoor air duct 43 in a timely manner. This can improve the heat exchange efficiency of the outdoor heat exchanger 31, improve the heat exchange efficiency of the heat exchanger assembly, and improve the overall performance of the window air conditioner 100.

[0082] At least a portion of the indoor air inlet 1211 is formed on the left side wall and / or the right side wall of the casing 1, and the indoor air outlet 1212 is formed on the front side wall of the casing 1. When at least a portion of the indoor air inlet 1211 is formed on the left side wall of the casing 1, a portion of the indoor air inlet 1211 may be formed on the left side of the front side wall of the casing 1. When the indoor fan 22 is working, the indoor fan 22 can drive the indoor air from the left side and the left front of the casing 1 into the indoor air duct 44, and then blow the air flowing into the indoor air duct 44 into the room from the indoor air outlet 1212 on the front side of the casing 1, thereby increasing the air intake of the indoor air duct 44 and realizing the function of front air outlet of the window air conditioner 100.

[0083] When the indoor air inlet 1211 is at least partially formed on the left side wall of the casing 1, when installing the window air conditioner 100 in a home environment, the user can place the right side wall of the window air conditioner 100 close to the right side of the window. For example, if the right side of the window is a wall, the user can place the right side wall of the window air conditioner 100 against the wall. This eliminates the need to reserve indoor air intake space on the right side of the casing 1, reduces the extra space occupied by the window air conditioner 100, and does not appear obtrusive in the overall home environment, nor does it affect the normal operation of the window air conditioner 100.

[0084] When at least a portion of the indoor air inlet 1211 is formed on the right side wall of the casing 1, a portion of the indoor air inlet 1211 may be formed on the right and left sides of the front side wall of the casing 1. When the indoor fan 22 is working, the indoor fan 22 can drive the indoor air from the right side and the right front of the casing 1 into the indoor air duct 44, and then blow the air flowing into the indoor air duct 44 into the room from the indoor air outlet 1212 on the front side of the casing 1, thereby increasing the air intake of the indoor air duct 44 and realizing the function of front air outlet of the window air conditioner 100.

[0085] When the indoor air inlet 1211 is at least partially formed on the right side wall of the casing 1, when installing the window air conditioner 100 in a home environment, the user can place the left side wall of the window air conditioner 100 close to the left side of the window. For example, if the left side of the window is a wall, the user can place the left side wall of the window air conditioner 100 against the wall. This eliminates the need to reserve indoor air intake space on the left side of the casing 1, reduces the extra space occupied by the window air conditioner 100, and does not appear obtrusive in the overall home environment, nor does it affect the normal operation of the window air conditioner 100.

[0086] Reference Figures 5-19 According to some embodiments of the present invention, the window air conditioner 100 further includes an air duct assembly disposed within the housing 1. The air duct assembly includes an air duct support component 42 and an air duct cover component 41, which are horizontally aligned. The air duct support component 42 and the air duct cover component 41 are detachably connected, and together define an outdoor air duct 43, an indoor air duct 44, and a fresh air duct 45. When assembling the air duct assembly, the air duct support component 42 can be aligned horizontally with the air duct cover component 41, then the air duct support component 42 and the air duct cover component 41 can be horizontally aligned together, and finally fastened together with fasteners. Compared to the vertical alignment method, this method facilitates the assembly of the air duct support component 42 and the air duct cover component 41, improving assembly efficiency.

[0087] Traditional fresh air ducts are difficult to install in window air conditioners 100 due to their duct structure. Furthermore, the fresh air intake is limited by the shape of the duct, resulting in a relatively small air volume. By defining the fresh air duct 45 using the duct support component 42 and the duct cover component 41, the shape of the fresh air duct 45 is no longer restricted by the ductwork, simplifying its structure and increasing the fresh air intake volume.

[0088] Reference Figures 5-19According to some embodiments of the present invention, the air duct support component 42 and the air duct cover component 41 are both integrally molded parts. The air duct support component 42 is an integrally molded part, and the air duct cover component 41 is an integrally molded part. This can improve the structural strength of the air duct support component 42 and the air duct cover component 41 and extend their service life.

[0089] Compared to traditional window air conditioners 100, such as those where each duct is composed of two duct components, and those where an outdoor duct component defines an outdoor duct 43, an indoor duct component defines an indoor duct 44, and a fresh air duct component defines a fresh air duct 45, this design simplifies the modular components of the window air conditioner 100, making it easier to disassemble and assemble, and facilitating cleaning and maintenance. It also reduces the number of components, decreases production steps, improves production efficiency, and lowers production costs.

[0090] Meanwhile, by making the air duct support component 42 and the air duct cover component 41 into one piece, the total material usage of the air duct components can be reduced to a certain extent, thereby lowering production costs.

[0091] Reference Figures 1-23 According to some embodiments of the present invention, outdoor air drawn in by the fresh air inlet 1223 is heated by the heat exchanger assembly and then blown into the room from the fresh air outlet 1213. When the heat exchanger assembly is working, the fresh air flowing into the room from the fresh air outlet 1213 can regulate the indoor temperature. Combined with the indoor air flowing into the room from the indoor air outlet 1212 after heat exchange with the indoor heat exchanger 32, the window air conditioner 100 can speed up the time for regulating the indoor temperature and improve the efficiency of the window air conditioner 100 in regulating the indoor temperature.

[0092] If the outdoor air drawn in by the fresh air inlet 1223 is blown directly into the room from the fresh air outlet 1213 without being heated by the heat exchanger components, when using the window air conditioner 100 to cool the room in summer, the fresh air impeller 23 will drive the hot outdoor air from the fresh air outlet 1213 into the room, which is not conducive to the window air conditioner 100 cooling the room; when using the window air conditioner 100 to raise the indoor temperature in winter, the fresh air impeller 23 will drive the cold outdoor air from the fresh air outlet 1213 into the room, which is not conducive to the window air conditioner 100 raising the indoor temperature.

[0093] By controlling the heat exchange between the outdoor air drawn in through the fresh air inlet 1223 and the heat exchanger components, and then blowing the heat-exchanged outdoor air into the room through the fresh air outlet 1213, the temperature of the air blown into the room from the fresh air outlet 1213 can be made approximately the same as the temperature of the air blown into the room from the indoor air outlet 1211. This avoids the window air conditioner 100 blowing out two types of air with large temperature differences, which could cause discomfort to the user. This improves the efficiency of the window air conditioner 100 in regulating indoor temperature, ensures the effect of the window air conditioner 100 in improving indoor temperature, and enhances the overall performance of the window air conditioner 100.

[0094] Reference Figures 5-7 , Figures 11-17 According to some embodiments of the present invention, the heat exchanger assembly further includes a fresh air heat exchanger 33, which is disposed within the fresh air duct 45. For example, the fresh air heat exchanger 33 is placed vertically, and its cross-section extends in a straight line. By providing the fresh air heat exchanger 33 in the fresh air duct 45, it is beneficial for outdoor air flowing into the fresh air duct 45 from the fresh air inlet 1223 to exchange heat with the fresh air heat exchanger 33, thereby improving the efficiency of heat exchange between the outdoor air flowing into the fresh air duct 45 and the fresh air heat exchanger 33, and improving the efficiency of the window air conditioner 100 in regulating indoor temperature.

[0095] The fresh air duct 45 is isolated from the indoor air duct 44 and the outdoor air duct 43. This prevents air from the outdoor air duct 43 from flowing into the fresh air duct 45 or the indoor air duct 44, which would cause the window air conditioner 100 to blow out two types of air with large temperature differences. It also prevents air from the indoor air duct 44 or the fresh air duct 46 from flowing into the outdoor air duct 43, which would reduce the temperature regulation efficiency of the window air conditioner 100. This allows the air flowing into the fresh air duct 45 to exchange heat with the fresh air heat exchanger 33 and then flow into the room from the fresh air outlet 1213, ensuring the temperature regulation efficiency of the window air conditioner 100 and the overall performance of the window air conditioner 100.

[0096] This also prevents air flowing into the fresh air duct 45 from flowing into the outdoor air duct 43, which would result in less or no fresh air flowing into the room, thus ensuring the amount of fresh air blown out of the window air conditioner 100 from the fresh air outlet 1213, thereby ensuring the effect of the window air conditioner 100 in improving the quality of the indoor air environment.

[0097] According to some embodiments of the present invention, the fresh air heat exchanger 33 and the indoor heat exchanger 32 are connected in parallel. For example, when the window air conditioner 100 is cooling the indoor environment, the refrigerant compressed by the compressor flows into the outdoor heat exchanger 31 after exiting the compressor. Part of the refrigerant flowing through the outdoor heat exchanger 31 flows into the fresh air heat exchanger 33, and the other part flows into the indoor heat exchanger 32. Then, it flows from the fresh air heat exchanger 33 and the indoor heat exchanger 32 to the compressor. For example, when the window air conditioner 100 is heating the indoor environment, the refrigerant compressed by the compressor flows into the fresh air heat exchanger 33 after exiting the compressor, and the other part flows into the indoor heat exchanger 32. Then, it flows from the fresh air heat exchanger 33 and the indoor heat exchanger 32 to the outdoor heat exchanger 31, and from the indoor heat exchanger 32 to the compressor for compression again.

[0098] When the fresh air heat exchanger 33 is connected in series with the indoor heat exchanger 32, for example, when the window air conditioner 100 is cooling the indoor environment, the refrigerant compressed by the compressor flows out of the compressor and then sequentially through the outdoor heat exchanger 31, the indoor heat exchanger 32, and the fresh air heat exchanger 33, finally flowing back to the compressor from the fresh air heat exchanger 33. When the indoor fan 22 drives indoor air into the indoor air duct 44, the air flowing through the indoor heat exchanger 32 exchanges heat with it, causing the refrigerant temperature in the indoor heat exchanger 32 to rise. The refrigerant temperature flowing into the fresh air heat exchanger 33 is also higher, which leads to poor cooling effect of the fresh air heat exchanger 33. This results in a large temperature difference between the air flowing out from the indoor outlet and the air flowing out from the fresh air outlet 1213, causing discomfort to the user.

[0099] Connecting the fresh air heat exchanger 33 and the indoor heat exchanger 32 in parallel ensures that the temperature of the refrigerant flowing to the fresh air heat exchanger 33 and the indoor heat exchanger 32 is approximately the same. This results in the temperature of the air flowing out of the indoor air outlet 1212 being approximately the same as the temperature of the air flowing out of the fresh air outlet 1213. This reduces or avoids user discomfort caused by a large temperature difference between the air flowing out of the indoor air outlet 1212 and the air flowing out of the fresh air outlet 1213, ensuring the cooling and heating effect of the window air conditioner 100 and improving the overall performance of the window air conditioner 100.

[0100] Reference Figures 5-7 , Figures 11-17According to some embodiments of the present invention, the fresh air heat exchanger 33 is disposed directly above the outdoor heat exchanger 31. When the window air conditioner 100 is cooling, the condensate on the fresh air heat exchanger 33 can flow downwards to the outdoor heat exchanger 31. During the process of the window air conditioner 100 cooling the indoor environment, when the outdoor air flowing into the fresh air duct 45 from the fresh air inlet 1223 passes through the fresh air heat exchanger 33, the moisture in the outdoor air flowing into the fresh air duct 45 dissipates heat and condenses into condensate at a lower temperature. The condensate on the fresh air heat exchanger 33 flows downwards to the outdoor heat exchanger 31. The outdoor radiator dissipates heat through the outdoor air driven by the outdoor fan 21 and the condensate flowing down from the fresh air heat exchanger 33, which can accelerate the heat dissipation efficiency of the outdoor heat exchanger 31, improve the cooling efficiency of the fresh air heat exchanger 33 and the indoor heat exchanger 32, speed up the adjustment of the indoor ambient temperature by the window air conditioner 100, and improve the overall performance of the window air conditioner 100.

[0101] Reference Figures 5-7 , Figures 11-19 According to some embodiments of the present invention, the indoor heat exchanger 32 and the outdoor heat exchanger 31 are arranged side by side in the horizontal direction. The bottom surface of the outdoor heat exchanger 31 is provided with an outdoor water receiving tray 111, the bottom surface of the indoor heat exchanger 32 is provided with an indoor water receiving tray 61, and the bottom surface of the fresh air heat exchanger 33 is provided with a fresh air water receiving tray 62. A drain hole 621 is formed on the fresh air water receiving tray 62. When the window air conditioner 100 is cooling, the condensate on the fresh air heat exchanger 33 is suitable to flow downward to the outdoor heat exchanger 31 through the drain hole 621, and the water in the indoor water receiving tray 61 is suitable to be discharged into the outdoor water receiving tray 111. A drain hole 112 is formed on the outdoor water receiving tray 111. The housing 1 includes a main housing 12 and a chassis 11. The main housing 12 is disposed on the chassis 11, and the outdoor water receiving tray 111 is disposed on the chassis 11. The outdoor water receiving tray 111 can be integrally formed with the chassis 11.

[0102] When the window air conditioner 100 is cooling, the condensate on the fresh air heat exchanger 33 flows down its outer surface to the fresh air condensate tray 62, then flows from the drain hole 621 of the fresh air condensate tray 62 to the surface of the outdoor heat exchanger 31. After exchanging heat with the outdoor heat exchanger 31, the condensate flows from the outer surface of the outdoor heat exchanger 31 to the outdoor condensate tray 111, and finally flows out of the window air conditioner 100 from the drain hole 112. The condensate on the indoor heat exchanger 32 flows down its outer surface to the indoor condensate tray 61, then flows from the indoor condensate tray 61 into the outdoor condensate tray 111, and finally flows out of the window air conditioner 100 from the drain hole 112.

[0103] By setting up a fresh air condensate tray 62 with a drain hole 621, it is convenient to collect the condensate flowing down from the fresh air heat exchanger 33 and to guide the condensate from the fresh air heat exchanger 33 to the outdoor heat exchanger 31. By setting up an indoor condensate tray 61 to collect the condensate from the indoor heat exchanger 32 and an outdoor condensate tray 111 to collect the condensate flowing down from the outdoor heat exchanger 31 with a drain hole 112, the condensate generated during the operation of the window air conditioner 100 can be discharged in a timely manner, preventing water accumulation inside the window air conditioner 100 and ensuring the safety performance of the window air conditioner 100.

[0104] For example, the fresh air condensate tray 62 has multiple drain holes 621, which are evenly spaced along the horizontal extension direction of the outdoor heat exchanger 31. This allows the condensate flowing from the fresh air heat exchanger 33 to the fresh air condensate tray 62 to flow evenly to the outer surface of the outdoor heat exchanger 31, further improving the heat dissipation efficiency of the outdoor heat exchanger 31, improving the cooling efficiency of the fresh air heat exchanger 33 and the indoor heat exchanger 32, accelerating the speed at which the window air conditioner 100 regulates the indoor ambient temperature, and improving the overall performance of the window air conditioner 100.

[0105] It should be explained that, in the description of this invention, "a plurality of" means two or more.

[0106] Reference Figures 1-7 , Figure 16 According to some embodiments of the present invention, the fresh air outlet 1213 and the indoor air inlet 1211 are located on the same side of the casing 1. This makes it convenient for users to place the side of the window air conditioner 100 opposite to the indoor air inlet 1211 close to the edge of the window, so that the window air conditioner 100 will not appear obtrusive in the whole home environment and will not affect the normal operation of the window air conditioner 100.

[0107] For example, when both the fresh air outlet 1213 and the indoor air inlet 1211 are located on the left side of the casing 1, when the second motor 22 is working, indoor air can flow from the indoor air inlet 1211 on the left side wall of the casing 1 to the indoor air duct 44 under the drive of the indoor impeller 22, and then flow into the room from the indoor air outlet 1212 on the front side of the casing 1; outdoor air can be blown out from the fresh air outlet 1213 towards the left side of the casing 1 under the drive of the fresh air impeller 23. When installing the window air conditioner 100 in a home environment, the user can place the right side wall of the window air conditioner 100 close to the right side of the window. For example, if the right side of the window is a wall, the user can place the right side wall of the window air conditioner 100 against the wall. This eliminates the need to reserve indoor air intake space and fresh air outlet space on the right side of the casing 1, reducing the extra space occupied by the window air conditioner 100, and it will not appear obtrusive in the overall home environment, nor will it affect the normal operation of the window air conditioner 100.

[0108] When both the fresh air outlet 1213 and the indoor air inlet 1211 are located on the right side of the casing 1, when the indoor fan 22 is working, indoor air can flow from the indoor air inlet 1211 on the right side wall of the casing 1 to the indoor air duct 44 under the drive of the indoor fan 22, and then flow into the room from the indoor air outlet 1212 on the front side of the casing 1; outdoor air can be blown out from the fresh air outlet 1213 towards the right side of the casing 1 under the drive of the fresh air fan 23. When installing the window air conditioner 100 in a home environment, the user can place the left side wall of the window air conditioner 100 close to the left side of the window. For example, if the left side of the window is a wall, the user can place the left side wall of the window air conditioner 100 close to the wall. This eliminates the need to reserve indoor air intake space and fresh air outlet space on the left side of the casing 1, reducing the extra space occupied by the window air conditioner 100, and it will not appear obtrusive in the overall home environment, nor will it affect the normal operation of the window air conditioner 100.

[0109] According to some embodiments of the present invention, the fresh air outlet 1213 and the indoor air inlet 1211 are located on opposite sides of the casing 1. This ensures that the fresh air blown out from the fresh air outlet 1213 does not interfere with the indoor air flowing towards the indoor air inlet 1211 driven by the indoor fan 22, thus guaranteeing the air volume of the fresh air blown out from the fresh air outlet 1213 and the air volume of the indoor air flowing into the indoor air duct 44, thereby ensuring the effect of the window air conditioner 100 in improving indoor air quality and the efficiency of the window air conditioner 100 in regulating indoor ambient temperature.

[0110] Meanwhile, the fresh air outlet 1213 is located on the left or right side of the casing 1. When the window air conditioner 100 is working, the fresh air blown out from the fresh air outlet 1213 can flow along the horizontal direction of the window, thereby driving the indoor air to rotate and achieving wraparound air supply.

[0111] Reference Figures 20-23 According to some embodiments of the present invention, the fresh air duct 45 is connected to the indoor air duct 44, and the fresh air outlet 1213 and the indoor air outlet 1212 are the same air outlet. When the window air conditioner 100 is working, the fresh air impeller 23 is adapted to drive outdoor air from the fresh air inlet 1223 into the fresh air duct 45, and then drive the air flowing into the fresh air duct 45 into the indoor air duct 44; the indoor impeller 22 is adapted to drive indoor air from the indoor air inlet 1211 into the indoor air duct 44. At the same time, the indoor impeller 22 is adapted to cooperate with the fresh air impeller 23 to drive outdoor air into the indoor air duct 44, and then drive the indoor air and outdoor air to flow through the indoor heat exchanger 32. Finally, the mixed fresh air, which is a mixture of indoor air and outdoor air, is blown into the room at the indoor air outlet 1212, so that the window air conditioner 100 can achieve the effect of regulating the indoor ambient temperature and improving the indoor air quality.

[0112] Compared with the window air conditioner 100 with a fresh air heat exchanger 33 in the fresh air duct 45, this embodiment does not require the fresh air heat exchanger 33, nor does it require the connection components connected to the fresh air heat exchanger 33. This simplifies the structure of the heat exchanger components, improves assembly efficiency, and reduces production costs.

[0113] Compared to a window air conditioner 100 with a fresh air heat exchanger 33 inside the fresh air duct 45, when the cross-sectional area of ​​the fresh air duct 45 is the same, since there is no fresh air heat exchanger 33 obstructing the fresh air duct 45 in this embodiment, the fresh air impeller 23 can drive more fresh air into the room, thereby improving the effect of the window air conditioner 100 on improving indoor air quality. When the fresh air intake volume is the same, the cross-sectional area of ​​the fresh air duct 45 in this embodiment is smaller, which allows for a reduction in the size of the window air conditioner 100 in the vertical direction, making the structure of the window air conditioner 100 more compact.

[0114] For example, the fresh air duct 45 is equipped with multiple fresh air purification modules 63, which can further improve the quality of the fresh air blown into the room from the fresh air outlet 1213, improve the effect of the window air conditioner 100 in improving indoor air quality, and improve the overall performance of the window air conditioner 100. Compared with the window air conditioner 100 that has a fresh air heat exchanger 33 in the fresh air duct 45, the fresh air duct 45 in this embodiment has a larger space, so the fresh air purification modules 63 can be set as larger air purifiers, further improving the effect of the fresh air purification modules 63 in purifying outdoor air, and improving the effect of the window air conditioner 100 in improving indoor air quality.

[0115] The following reference Figures 1-19 A window air conditioner 100 according to a specific embodiment of the present invention is described.

[0116] Reference Figures 1-7 In this embodiment, the window air conditioner 100 includes a casing 1, a fan assembly, a heat exchanger assembly, an air duct assembly, and an electrical control component 5. The casing 1 includes a main casing 12 and a chassis 11. The bottom surface of the main casing 12 is open, and the chassis 11 is disposed on the bottom surface of the main casing 12. The air duct assembly and the compressor are disposed on the chassis 11. The main casing 12 includes a front casing 121 and a rear casing 122. The fan assembly, heat exchanger assembly, air duct assembly, and electrical control component 5 are disposed inside the casing 1.

[0117] Reference Figures 5-12The air duct assembly may include an air duct support component 42 and an air duct cover component 41. The air duct support component 42 and the air duct cover component 41 are connected in a horizontal direction. The air duct support component 42 and the air duct cover component 41 together define an outdoor air duct 43, an indoor air duct 44 and a fresh air duct 45. The outdoor air duct 43 and the indoor air duct 44 are arranged in a horizontal direction. The fresh air duct 45 is located above the outdoor air duct 43 and the indoor air duct 44. The fresh air duct 45 is separated from both the indoor air duct 44 and the outdoor air duct 43. Both the air duct support component 42 and the air duct cover component 41 can be integrally molded parts.

[0118] Reference Figures 1-7 The casing 1 has an outdoor air inlet 1221, an outdoor air outlet 1222, an indoor air inlet 1211, an indoor air outlet 1212, a fresh air inlet 1223, and a fresh air outlet 1213. An outdoor duct 43 connects the outdoor air inlet 1221 and the outdoor air outlet 1222, an indoor duct 44 connects the indoor air inlet 1211 and the indoor air outlet 1212, and a fresh air duct 45 connects the fresh air inlet 1223 and the fresh air outlet 1213. After the window air conditioner 100 is installed on a window, the outdoor air inlet 1221, the outdoor air outlet 1222, and the fresh air inlet 1223 are connected to the outside, while the indoor air inlet 1211, the indoor air outlet 1212, and the fresh air outlet 1213 are connected to the inside.

[0119] Reference Figures 5-12 The fan assembly includes an outdoor impeller 21, an indoor impeller 22, a fresh air impeller 23, a first motor 24, and a second motor 25. The outdoor impeller 21 is located in the outdoor air duct 43 and is connected to the first motor 24. The indoor impeller 22 is located in the indoor air duct 44, and the fresh air impeller 23 is located in the fresh air duct 45. Both the indoor impeller 22 and the fresh air impeller 23 are directly connected to the second motor 25. The rotation axes of the outdoor impeller 21 and the indoor impeller 22 extend vertically. The fresh air impeller 23 is located directly above the indoor impeller 22 and is coaxially arranged with the indoor impeller 22. Optionally, the second motor 25 can be a dual-shaft motor, and the indoor impeller 22 and the fresh air impeller 23 are respectively connected to the two output shafts of the second motor 25. Both the outdoor impeller 21 and the indoor impeller 22 can be cross-flow impellers, and the fresh air impeller 23 can also be a cross-flow impeller. Optionally, the diameter of the fresh air impeller 23 is equal to the diameter of the indoor impeller 22.

[0120] The cross-section of the casing 1 is roughly rectangular. The outdoor impeller 21 and the indoor impeller 22 are arranged roughly along the diagonal of the casing 1 in the horizontal direction. This makes the layout of the fan assembly more reasonable, reduces the space occupied by the fan assembly in the casing 1, and makes the structure of the window air conditioner 100 more compact.

[0121] Reference Figures 5-9The fan assembly may also include a first bearing 26, a second bearing 27, and a third bearing 28. The first bearing 26 is fixed to the top wall of the outdoor air duct 43 and is adapted to the rotating shaft of the outdoor fan wheel 21. When the first motor 24 drives the outdoor fan wheel 21 to work, the rotating shaft of the outdoor fan wheel 21 can rotate within the first bearing 26. This can prevent the outdoor fan wheel 21 from having a large offset during rotation, making the first motor 24 run more stably and the outdoor fan wheel 21 rotate stably, thereby reducing the noise generated during the operation of the window air conditioner 100.

[0122] The second bearing 27 is fixed to the bottom wall of the indoor air duct 44 and is adapted to the rotating shaft of the indoor fan wheel 22. The third bearing 28 is fixed to the top wall of the fresh air duct 45 and is adapted to the rotating shaft of the fresh air fan wheel 23. When the second motor 25 drives the indoor fan wheel 22 and the fresh air fan wheel 23 to work, the rotating shaft of the indoor fan wheel 22 can rotate within the second bearing 27, and the rotating shaft of the fresh air fan wheel 23 can rotate within the third bearing 28. This can prevent the indoor fan wheel 22 and the fresh air fan wheel 23 from having a large offset during rotation, making the second motor 25 run more stably and the indoor fan wheel 22 and the fresh air fan wheel 23 rotate stably, thereby reducing the noise generated during the operation of the window air conditioner 100.

[0123] Reference Figures 1-7 The fresh air inlet 1223, outdoor air inlet 1221, and outdoor air outlet 1222 are all formed on the rear shell 122. The outdoor air inlet 1221 and outdoor air outlet 1222 are arranged in a left-right direction, and the fresh air inlet 1223 is located above the outdoor air outlet 1222 and outdoor air inlet 1221. At least a portion of the indoor air inlet 1211 is formed on the left side wall and / or the right side wall of the front shell 121, and the indoor air outlet 1212 is formed on the front side wall of the front shell 121. The fresh air outlet 1213 is formed on the left side wall or the right side wall of the front shell 121. For example, the fresh air outlet 1213 and the indoor air inlet 1211 can be located on the same side of the front shell 121, or the fresh air outlet 1213 and the indoor air inlet 1211 can be located on opposite sides of the front shell 121.

[0124] For example, an adjustable fresh air guide vane is provided at the fresh air outlet 1213, and an adjustable indoor air outlet vane is provided at the indoor air outlet 1212. When the window air conditioner 100 is working, the user can adjust the direction of the fresh air blowing out of the fresh air outlet 1213 by adjusting the angle of the fresh air guide vane, and adjust the direction of the indoor air blowing out of the indoor air outlet 1212 by adjusting the angle of the indoor air outlet vane, so as to meet the different needs of the user and improve the overall performance of the window air conditioner 100.

[0125] Reference Figures 14-19The heat exchanger assembly includes an outdoor heat exchanger 31, an indoor heat exchanger 32, and a fresh air heat exchanger 33. The outdoor heat exchanger 31 is located in the outdoor air duct 43 and near the outdoor air inlet 1221. The outdoor heat exchanger 31 is mounted on the air duct support member 42 and is horizontally positioned between the air duct support member 42 and the rear housing 122. The outdoor heat exchanger 31 is placed vertically and its cross-section extends in a straight line. The indoor heat exchanger 32 is located in the indoor air duct 44 and near the indoor air inlet 1211. The indoor heat exchanger 32 is mounted on the air duct cover member 41 and is horizontally positioned between the air duct cover member 41 and the front housing 121. The indoor heat exchanger 32 is placed vertically and its cross-section extends in an arc.

[0126] The fresh air heat exchanger 33 is located in the fresh air duct 45. The fresh air heat exchanger 33 is placed vertically and its cross-section extends in a straight line. The fresh air heat exchanger 33 is mounted on the duct cover component 41 and is horizontally positioned between the duct cover component 41 and the front housing 121. The fresh air heat exchanger 33 is positioned vertically directly above the outdoor heat exchanger 31, and the condensate on the fresh air heat exchanger 33 can flow downwards to the outdoor heat exchanger 31.

[0127] Indoor heat exchanger 32 and outdoor heat exchanger 31 are arranged side by side in a horizontal direction. The bottom surface of outdoor heat exchanger 31 is provided with an outdoor water receiving pan 111, the bottom surface of indoor heat exchanger 32 is provided with an indoor water receiving pan 61, and the bottom surface of fresh air heat exchanger 33 is provided with a fresh air water receiving pan 62. A drain hole 621 is formed on the fresh air water receiving pan 62. The condensate on the fresh air heat exchanger 33 is suitable for flowing downward to the outdoor heat exchanger 31 through the drain hole 621. The water in the indoor water receiving pan 61 is suitable for draining into the outdoor water receiving pan 111. The outdoor water receiving pan 111 is provided on the base 11 and can be integrally formed with the base 11. A drain hole 112 is formed on the outdoor water receiving pan 111. For example, the fresh air water receiving pan 62 has multiple drain holes 621, which are evenly spaced along the horizontal extension direction of the outdoor heat exchanger 31.

[0128] Reference Figures 5-13 The air duct assembly also includes a fresh air heat exchanger top cover 46 and an outdoor heat exchanger top cover 47. The fresh air heat exchanger top cover 46 is located on the air duct support component 42 and directly above the fresh air heat exchanger 33. The fresh air heat exchanger 33 is adapted to be inserted into the fresh air heat exchanger top cover 46. The fresh air heat exchanger top cover 46 is adapted to limit the fresh air heat exchanger 33 and fix the fresh air heat exchanger 33 on the air duct support component 42. This prevents the fresh air heat exchanger 33 from shaking and ensures the reliability of the internal structural connection of the window air conditioner 100.

[0129] The outdoor heat exchanger top cover 47 has a through hole 471. The outdoor heat exchanger top cover 47 is located on the air duct support component 42, directly above the outdoor heat exchanger 31 and abutting against the bottom of the fresh air drip tray 62. The through hole 471 is opposite to the drain hole 621. The outdoor heat exchanger 31 is adapted to be inserted into the through hole 471 of the outdoor heat exchanger top cover 47. The outdoor heat exchanger top cover 47 is adapted to limit the fresh air heat exchanger 33 and fix the fresh air heat exchanger 33 on the air duct support component 42. This prevents the fresh air heat exchanger 33 from shaking and ensures the reliability of the internal structural connection of the window air conditioner 100.

[0130] The outdoor heat exchanger top cover 47 also supports the fresh air condensate tray 62, preventing it from shaking and causing condensate on the fresh air heat exchanger 33 to flow onto the electrical control components, thus ensuring the electrical safety of the window air conditioner 100. Meanwhile, after flowing to the fresh air condensate tray 61, the condensate on the fresh air heat exchanger 33 flows sequentially through the drain hole 621 and the through hole, finally reaching the outdoor heat exchanger 33.

[0131] The heat exchanger assembly also includes a compressor, and the refrigerant in the heat exchanger assembly can be compressed by the compressor. The outdoor heat exchanger 31 and the indoor heat exchanger 32 are respectively connected to the two ends of the compressor of the window air conditioner 100. The end of the outdoor heat exchanger 31 away from the compressor is connected to the end of the indoor heat exchanger 32 away from the compressor. The fresh air heat exchanger 33 is connected in parallel with the indoor heat exchanger 32, and the two ends of the fresh air heat exchanger 33 are respectively connected to the compressor and the outdoor heat exchanger 31.

[0132] The window air conditioner 100 may also include a fresh air purification module 63, which is located at the fresh air inlet 1223 and between the fresh air heat exchanger 33 and the rear housing 122. For example, the fresh air purification module 63 can be a purification filter. When the fresh air purification module 63 is a purification filter, it can be located on the rear housing 122. The fresh air purification module 63 can also be an air purifier.

[0133] Reference Figure 14 , Figure 15 , Figure 17 and Figure 19 A receiving cavity 7 for accommodating the electronic control component 5 is defined between the air duct assembly and the housing 1. This receiving cavity 7 is isolated from all three air ducts. The compressor of the window air conditioner 100 is located below the indoor air duct 44, and the compressor of the window air conditioner 100 is horizontally opposite to the outdoor air duct 43. The electronic control component 5 is located above the compressor. The electronic control component 5 and the indoor air duct 44 are arranged horizontally in the left-right direction. The compressor, the electronic control component 5, and the indoor air duct 44 are front-back opposite to the outdoor air duct 43. The fresh air duct 45 is located above the indoor air duct 44 and the outdoor air duct 43.

[0134] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention 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. Therefore, they should not be construed as limitations on this invention.

[0135] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "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 the 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.

[0136] Although embodiments of the 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 invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A window air conditioner, characterized in that, include: The housing has an outdoor air inlet, an outdoor air outlet, an indoor air inlet, an indoor air outlet, a fresh air inlet, and a fresh air outlet. The housing also has an outdoor air duct, an indoor air duct, and a fresh air duct. The outdoor air duct connects the outdoor air inlet and the outdoor air outlet. The indoor air duct connects the indoor air inlet and the indoor air outlet. The fresh air duct connects the fresh air inlet and the fresh air outlet. The outdoor air duct and the indoor air duct are arranged horizontally. The fresh air duct is located above the outdoor air duct and the indoor air duct. The fresh air duct is isolated from both the indoor air duct and the outdoor air duct. A fan assembly, comprising an outdoor fan wheel, an indoor fan wheel, a fresh air fan wheel, a first motor, and a second motor, wherein the outdoor fan wheel is disposed in the outdoor air duct and connected to the first motor, the indoor fan wheel is disposed in the indoor air duct, the fresh air fan wheel is disposed in the fresh air duct, and both the indoor fan wheel and the fresh air fan wheel are connected to the second motor; A heat exchanger assembly includes an outdoor heat exchanger, an indoor heat exchanger, and a fresh air heat exchanger. The outdoor heat exchanger is located in the outdoor air duct, the indoor heat exchanger is located in the indoor air duct, and the fresh air heat exchanger is located inside the fresh air duct, directly above the outdoor heat exchanger. Condensate on the fresh air heat exchanger can flow downwards to the outdoor heat exchanger.

2. The window air conditioner according to claim 1, characterized in that, The second motor is a dual-shaft motor, and the indoor fan wheel and the fresh air fan wheel are respectively connected to the two output shafts of the second motor.

3. The window air conditioner according to claim 1, characterized in that, Both the outdoor and indoor wind turbines are cross-flow wind turbines; and / or, the fresh air wind turbine is a cross-flow wind turbine.

4. The window air conditioner according to claim 1, characterized in that, The rotation axes of both the outdoor and indoor wind turbines extend vertically, and the fresh air wind turbine is located directly above the indoor wind turbine and is coaxially arranged with it.

5. The window air conditioner according to claim 1, characterized in that, The compressor of the window air conditioner is located below the indoor air duct and is horizontally opposite to the outdoor air duct.

6. The window air conditioner according to claim 1, characterized in that, The fresh air inlet, the outdoor air inlet, and the outdoor air outlet are all formed on the rear side wall of the housing. The outdoor air inlet and the outdoor air outlet are arranged in a left-right direction. The fresh air inlet is located above the outdoor air outlet and the outdoor air outlet. At least a portion of the indoor air inlet is formed on the left side wall and / or the right side wall of the housing. The indoor air outlet is formed on the front side wall of the housing.

7. The window air conditioner according to claim 1, characterized in that, Also includes: A duct assembly is disposed within the housing. The duct assembly includes a duct support component and a duct cover component that are connected in a horizontal direction. The duct support component and the duct cover component together define the outdoor duct, the indoor duct, and the fresh air duct.

8. The window air conditioner according to claim 7, characterized in that, Both the air duct support component and the air duct cover component are integrally molded parts.

9. The window air conditioner according to claim 1, characterized in that, The fresh air heat exchanger is connected in parallel with the indoor heat exchanger.

10. The window air conditioner according to claim 1, characterized in that, The indoor heat exchanger and the outdoor heat exchanger are arranged side by side in a horizontal direction. The bottom surface of the outdoor heat exchanger is provided with an outdoor water receiving tray, the bottom surface of the indoor heat exchanger is provided with an indoor water receiving tray, and the bottom surface of the fresh air heat exchanger is provided with a fresh air water receiving tray. A drain hole is formed on the fresh air water receiving tray. The condensate on the fresh air heat exchanger is suitable for flowing downward to the outdoor heat exchanger through the drain hole. The water in the indoor water receiving tray is suitable for draining into the outdoor water receiving tray. A drain hole is formed on the outdoor water receiving tray.

11. The window air conditioner according to claim 1, characterized in that, The fresh air outlet and the indoor air inlet are located on the same side of the housing; or, the fresh air outlet and the indoor air inlet are located on opposite sides of the housing.

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