Air conditioner

Abstract

The utility model relates to the technical field of air conditioners, in particular to an air conditioner which comprises a shell, a heat exchanger and a water pan, the shell is provided with a cavity, the shell is provided with a lower air inlet, a front air inlet and an air outlet, the lower air inlet, the front air inlet and the air outlet all communicate with the cavity, the lower air inlet is formed in the bottom of the shell, and the heat exchanger is arranged in the cavity. The front air inlet is formed in the front side face of the shell, the air outlet is formed in the upper end of the shell, the position of the air outlet is higher than that of the front air inlet, the heat exchanger is arranged in the cavity and has the lowest position, the water pan is arranged in the cavity and is adjacent to the front side face of the shell, and a part of the water pan is located below the lowest position. According to the air conditioner disclosed by the embodiment of the invention, condensate water can be prevented from flowing out, and the user experience is improved.

Description

Technical Field

[0001] This disclosure relates to the field of air conditioner technology, specifically to an air conditioner. Background Technology

[0002] Air conditioners can maintain the air in a regulated space at a certain temperature, humidity, airflow rate, cleanliness, and freshness, thus improving people's quality of life. In related technologies, an air conditioner includes a casing, a heat exchanger, and a drip tray. The heat exchanger and drip tray are located inside the casing, which has an air inlet and an air outlet.

[0003] However, in related technologies, air conditioners are prone to condensation leaking out from the air vents, affecting the user experience. Utility Model Content

[0004] This disclosure aims to at least partially address one of the technical problems in the related art. To this end, embodiments of this disclosure provide an air conditioner that prevents condensate leakage, thereby improving the user experience.

[0005] An air conditioner according to an embodiment of this disclosure includes: a housing having a chamber, a lower air inlet, a front air inlet, and an air outlet on the housing, all of which communicate with the chamber; the lower air inlet being located at the bottom of the housing, the front air inlet being located on the front side of the housing, and the air outlet being located at the upper end of the housing, with the air outlet positioned higher than the front air inlet; a heat exchanger disposed within the chamber and having a lowest position; and a water collection tray disposed within the chamber and adjacent to the front side of the housing, a portion of which is located below the lowest position, and the upper edge of the front end of the water collection tray being higher than the lowest position.

[0006] The air conditioner of this embodiment features a lower air inlet, a front air inlet, and an air outlet on its casing. The water collection tray is positioned near the front side of the casing. This reduces the obstruction of the water collection tray to the airflow entering the cavity through the lower air inlet, resulting in smoother airflow. Since the airflow can simultaneously enter the cavity from both the lower and front air inlets to exchange heat with the heat exchanger, the air intake area is increased, improving the air volume of the air conditioner. Furthermore, by placing a portion of the water collection tray below the lowest point of the heat exchanger and setting the upper edge of the front end of the water collection tray higher than the lowest point of the heat exchanger, the lowest point of the heat exchanger is located within the water collection tray. This ensures that all condensate on the heat exchanger falls into the water collection tray, preventing condensate from flowing out from the lower air inlet and improving the user experience.

[0007] In some embodiments, the upper edge of the front end of the water receiving tray is higher than the upper edge of the rear end of the water receiving tray.

[0008] In some embodiments, the height of the front end of the water receiving tray is L1, and the height of the rear end of the water receiving tray is L2, where 15mm≤L1≤55mm and 15mm≤L2≤45mm.

[0009] In some embodiments, the heat exchanger includes a first segment and a second segment connected to each other, wherein in a cross section orthogonal to the length direction of the housing, the extension direction of the first segment and the extension direction of the second segment form an angle, and the lowest position is formed at the lower edge of the connection between the first segment and the second segment of the heat exchanger.

[0010] In some embodiments, on a cross section orthogonal to the length direction of the housing, the angle between the first segment and the second segment is α, 60°≤α≤90°; and / or, the first segment is disposed adjacent to the front side of the housing, and on a cross section orthogonal to the length direction of the housing, the first segment is arranged obliquely backward in a direction from top to bottom, and the angle between the extension direction of the first segment and the vertical direction is γ, and 0°≤γ≤60°; and / or, the second segment is disposed adjacent to the rear side of the housing, and on a cross section orthogonal to the length direction of the housing, the second segment is arranged obliquely upward in a direction from front to back, and the angle between the extension direction of the second segment and the horizontal direction is δ, 0°≤δ≤45°.

[0011] In some embodiments, the housing includes a front panel, the air outlet is located at the upper end of the front panel, the front air inlet is located on the front panel and below the air outlet, and in a cross section orthogonal to the length direction of the housing, the front panel is arranged to be inclined backward in a direction from top to bottom, and the angle between the extension direction of the front panel and the vertical direction is β, and 0°≤β≤45°.

[0012] In some embodiments, the air conditioner further includes a centrifugal fan disposed in the cavity, the centrifugal fan having an axial direction parallel to the length direction of the housing, the centrifugal fan being disposed on the side of the heat exchanger away from the lower air inlet, and both ends of the centrifugal fan having air inlets in the axial direction.

[0013] In some embodiments, the centrifugal fan includes a volute and a impeller, the impeller being disposed within the volute, the air inlet being disposed at both ends of the volute along its axial direction, the volute having an air outlet extending in a front-rear direction, the front end of the air outlet being an air outlet located at the air outlet; and / or, in the cross-section of the centrifugal fan, the air outlet includes a first wall and a second wall located above the first wall, both the first wall and the second wall extending in a rear-to-front direction and arranged downwardly, the angle between the first wall and the inner top surface of the chamber being greater than the angle between the second wall and the inner top surface of the chamber.

[0014] In some embodiments, the front end face of the air outlet is coplanar with the front end face of the air vent, and / or, the angle between the first wall surface and the inner top surface of the chamber is A, 15°≤A≤30°, and the angle between the second wall surface and the inner top surface of the chamber is B, 0°≤B≤12°.

[0015] In some embodiments, the chamber includes two sides arranged opposite each other along the length of the housing, and the shortest distance between the end face of the centrifugal fan in its axial direction and the side of the chamber is T1, T1≥40mm; and / or, there are multiple centrifugal fans, and the multiple centrifugal fans are arranged at intervals along the length of the housing, and the distance between adjacent centrifugal fans is T2, T2≥50mm. Attached Figure Description

[0016] Figure 1 This is a cross-sectional view of an air conditioner according to an embodiment of this disclosure.

[0017] Figure 2 This is a cross-sectional view of an air conditioner according to an embodiment of this disclosure.

[0018] Figure 3 This is a cross-sectional view of an air conditioner according to another embodiment of this disclosure.

[0019] Figure label:

[0020] Air conditioner 100,

[0021] Housing 1, chamber 11, inner top surface 111, side surface 112, lower air inlet 12, front air inlet 13, air outlet 14, front panel 15.

[0022] Heat exchanger 2, first section 21, second section 22, water receiving tray 3

[0023] Centrifugal fan 4, air inlet 41, volute 42, air outlet 421, first wall surface 4211, second wall surface 4212, air outlet 422, impeller 43.

[0024] Lower air intake grille 5, front air intake grille 6. Detailed Implementation

[0025] Embodiments of this disclosure are described in detail below, with examples of these embodiments illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this disclosure, and should not be construed as limiting it.

[0026] The air conditioner 100 of this embodiment includes a housing 1, a heat exchanger 2, and a drip tray 3. The housing 1 has a chamber 11, and is provided with a lower air inlet 12, a front air inlet 13, and an air outlet 14. The lower air inlet 12, the front air inlet 13, and the air outlet 14 are all connected to the chamber 11. The lower air inlet 12 is located at the bottom of the housing 1, the front air inlet 13 is located on the front side of the housing 1, and the air outlet 14 is located at the upper end of the housing 1, with the air outlet 14 positioned higher than the front air inlet 13. The heat exchanger 2 is located within the chamber 11 and has a lowest position. The drip tray 3 is located within the chamber 11 and adjacent to the front side of the housing 1. A portion of the drip tray 3 is located below the lowest position, and the upper edge of the front end of the drip tray 3 is higher than the lowest position.

[0027] Specifically, such as Figure 1 As shown, the lower air inlet 12 is located at the bottom of the housing 1 with its opening facing downwards, the front air inlet 13 is located at the front end of the housing 1 with its opening facing forwards, and the air outlet 14 is located at the front end of the housing 1 with its opening facing forwards, or the air outlet 14 is located at the upper end of the housing 1 with its opening facing upwards. The position of the air outlet 14 is higher than the positions of the front air inlet 13 and the lower air inlet 12. External airflow enters the chamber 11 through the lower air inlet 12 and the front air inlet 13 to exchange heat with the heat exchanger 2, and the heat-exchanged airflow is discharged from the air outlet 14.

[0028] The water collection tray 3 extends in the left-right direction, and its dimension in the left-right direction is larger than that of the heat exchanger 2. The water collection tray 3 is located near the front side of the shell 1, below the lowest position of the heat exchanger 2 and above the lower air inlet 12, so that the lowest position of the heat exchanger 2 is arranged near the front side of the shell 1. By making the upper edge of the front end of the water collection tray 3 higher than the lowest position of the heat exchanger 2, the lowest position of the heat exchanger 2 is located inside the water collection tray 3. Since the condensate on the surface of the heat exchanger 2 will flow along the surface of the heat exchanger 2 towards the lowest position of the heat exchanger 2, the water collection tray 3 can easily collect the condensate on the heat exchanger 2.

[0029] Optionally, a lower air inlet grille 5 is provided at the lower air inlet 12, and a front air inlet grille 6 is provided at the front air inlet 13.

[0030] The air conditioner 100 of this embodiment reduces the obstruction of airflow into the chamber 11 through the lower air inlet 12, by providing a lower air inlet 12, a front air inlet 13, and an air outlet 14 on the housing 1, and by placing the water collection tray 3 near the front side of the housing 1. This makes the airflow smoother. Since the airflow can enter the chamber 11 from the lower air inlet 12 and the front air inlet 13 at the same time to exchange heat with the heat exchanger 2, the air intake area is increased, and the air volume of the air conditioner 100 is improved. Moreover, by placing a part of the water collection tray 3 below the lowest position of the heat exchanger 2, and setting the upper edge of the front end of the water collection tray 3 to be higher than the lowest position of the heat exchanger 2, the lowest position of the heat exchanger 2 is located in the water collection tray 3. This ensures that all the condensate on the heat exchanger 2 falls into the water collection tray 3, preventing the condensate from flowing out from the lower air inlet 12, thus improving the user experience.

[0031] In some embodiments, such as Figure 1 As shown, the upper edge of the front end of the water collection tray 3 is higher than the upper edge of the rear end of the water collection tray 3. Since part of the airflow entering the chamber 11 through the front air inlet 13 will flow towards the front end of the water collection tray 3, the front end of the water collection tray 3 guides this part of the airflow upward, preventing this part of the airflow from blowing towards the condensate in the water collection tray 3, thereby preventing the condensate in the water collection tray 3 from flowing out, and improving the user experience.

[0032] In some embodiments, such as Figure 1 As shown, the height of the front end of the water receiving tray 3 is L1, and the height of the rear end of the water receiving tray 3 is L2, where 15mm ≤ L1 ≤ 55mm and 15mm ≤ L2 ≤ 45mm. By limiting the height of the front end and the rear end of the water receiving tray 3, it is ensured that the water receiving tray 3 can receive condensate from the heat exchanger 2 while keeping its vertical dimensions as small as possible. This reduces the space occupied in the chamber 11 while meeting the water receiving requirements, thereby increasing the ventilation area.

[0033] Optionally, the dimension L3 of the water receiving tray 3 in the front-to-back direction is greater than or equal to 60mm. For example, the value of L3 is 60mm, 65mm, or 80mm.

[0034] For example, the values ​​of L1 are 15mm, 20mm, 30mm, 45mm, and 55mm. The values ​​of L2 are 15mm, 20mm, 30mm, and 45mm.

[0035] In some embodiments, the heat exchanger 2 includes a first segment 21 and a second segment 22 connected to each other. In a cross section orthogonal to the length direction of the housing 1, the extension direction of the first segment 21 and the extension direction of the second segment 22 form an angle, and the lowest position is formed at the lower edge of the connection between the first segment 21 and the second segment 22 of the heat exchanger 2.

[0036] Specifically, such as Figure 1As shown, the length direction of the shell is consistent with the left and right direction. A part of the water receiving tray 3 is located below the lowest position. The lowest position is formed at the lower edge of the connection between the first section 21 and the second section 22 of the heat exchanger 2. Since the water receiving tray 3 is located near the front side of the shell 1, the lowest position of the heat exchanger 2 is located near the front side of the shell 1.

[0037] The first section 21 and the second section 22 of the heat exchanger 2 both extend upward from the lowest position. Since the extension direction of the first section 21 and the extension direction of the second section 22 are at an angle in the cross section orthogonal to the length direction of the shell 1, the first section 21 is located in front of the second section 22, or the second section 22 is located in front of the first section 21. This makes it convenient for the heat exchanger 2 to simultaneously exchange heat with the airflow entering the chamber 11 through the front air inlet 13 and the lower air inlet 12, thereby improving the heat exchange efficiency.

[0038] In some embodiments, such as Figure 1 As shown, on a cross section orthogonal to the length direction of the shell 1, the angle between the first segment 21 and the second segment 22 is α, where 60°≤α≤90°. By limiting the angle between the first segment 21 and the second segment 22, the heat exchanger 2 is made to be approximately L-shaped, making full use of the space within the chamber 11, increasing the heat exchange area of ​​the heat exchanger 2, and improving the heat exchange efficiency.

[0039] For example, the value of α is 60°, 70°, 80°, or 90°.

[0040] In some embodiments, the first segment 21 is disposed adjacent to the front side of the housing 1. On a cross section orthogonal to the length direction of the housing 1, the first segment 21 is arranged to be inclined backward in a direction from top to bottom. The angle between the extension direction of the first segment 21 and the vertical direction is γ, and 0°≤γ≤60°.

[0041] For example, the value of γ is 0°, 10°, 30°, or 60°.

[0042] Specifically, such as Figure 1 As shown, the first section 21 of the heat exchanger 2 is located in front of the second section 22 of the heat exchanger 2. By limiting the angle between the extension direction of the first section 21 and the vertical direction, the first section 21 of the heat exchanger 2 can facilitate the heat exchange of the airflow entering the chamber 11 through the inlet 13.

[0043] In some embodiments, the second segment 22 is disposed adjacent to the rear side of the housing 1. On a cross section orthogonal to the length direction of the housing 1, the second segment 22 is arranged obliquely upward in a direction from front to back. The angle between the extension direction of the second segment 22 and the horizontal direction is δ, where 0°≤δ≤45°.

[0044] For example, the value of δ is 0°, 10°, 30°, or 45°.

[0045] Specifically, such as Figure 1 As shown, the lower end of the first segment 21 is connected to the front end of the second segment 22, and the top end of the first segment 21 is higher than the top end of the second segment 22. By limiting the angle between the extension direction of the second segment 22 and the horizontal direction, the second segment 22 of the heat exchanger 2 can exchange heat with the airflow entering the chamber 11 through the lower air inlet 12.

[0046] In some embodiments, the housing 1 includes a front panel 15, an air outlet 14 is disposed at the upper end of the front panel 15, and a front air inlet 13 is disposed on the front panel 15 and located below the air outlet 14. In a cross section orthogonal to the length direction of the housing 1, the front panel 15 is arranged to be inclined backward in a direction from top to bottom, and the angle between the extension direction of the front panel 15 and the vertical direction is β, and 0°≤β≤45°.

[0047] For example, the value of β can be 0°, 10°, 30°, or 45°.

[0048] Specifically, such as Figure 1 As shown, the front panel 15 is located at the front end of the housing 1, forming the front end face of the housing 1. The front panel 15 extends from top to bottom and is arranged at a backward inclination, such that the upper end of the front panel 15 is located in front of the lower end of the front panel 15. By providing a forward-facing air outlet 14 at the upper end of the front panel 15 and a forward-facing air inlet 13 at the lower end of the front panel 15, and limiting the angle between the extension direction of the front panel 15 and the vertical direction, the airflow entering the chamber 11 through the air inlet 13 at the lower end of the front panel 15 is prevented from interfering with the airflow flowing out from the air outlet 14 at the upper end of the front panel 15. This facilitates the airflow entering the chamber 11 through the air inlet 13 for heat exchange and then flowing out through the air outlet 14.

[0049] Optionally, γ is greater than β, that is, the tilt angle of the first section 21 of the heat exchanger 2 is greater than the tilt angle of the front panel 15, which facilitates the flow of air along the surface of the first section 21 of the heat exchanger 2 and improves the heat exchange efficiency of the heat exchanger 2.

[0050] In some embodiments, the air conditioner 100 further includes a centrifugal fan 4, which is disposed in the chamber 11. The axial direction of the centrifugal fan 4 is parallel to the length direction of the housing 1. The centrifugal fan 4 is disposed on the side of the heat exchanger 2 away from the lower air inlet 12. Both ends of the centrifugal fan 4 are provided with air inlets 41 in the axial direction.

[0051] External airflow can enter the chamber 11 through the lower air inlet 12 and the front air inlet 13 and exchange heat through the heat exchanger 2. The heat-exchanged airflow enters the centrifugal fan 4 through the air inlets 41 at both ends of the centrifugal fan 4. Under the action of the centrifugal fan 4, the heat-exchanged airflow is accelerated and pressurized and blown to the air outlet 14 for discharge.

[0052] Specifically, such as Figure 1 As shown, the centrifugal fan 4 is located inside the chamber 11 and above the heat exchanger 2. The lower end of the centrifugal fan 4 is located between the first section 21 and the second section 22 of the heat exchanger 2. The centrifugal fan 4 extends in the left and right directions. Both the left and right ends of the centrifugal fan 4 are provided with air inlets 41, which facilitates the airflow after heat exchange in the heat exchanger 2 to enter the centrifugal fan 4 more smoothly through the left and right air inlets 41. The airflow is accelerated and pressurized under the action of the centrifugal fan 4, which improves the air pressure and air delivery distance of the air conditioner 100. Moreover, after passing through the centrifugal fan 4, the airflow flows out from the upper air outlet 14, which can effectively avoid the airflow blowing directly on people and improve the user experience.

[0053] In some embodiments, the centrifugal fan 4 includes a volute 42 and an impeller 43. The impeller 43 is disposed inside the volute 42. The air inlet 41 is disposed at both ends of the volute 42 in the axial direction. The volute 42 has an air outlet channel 421 extending in the front-rear direction. The front end of the air outlet channel 421 is an air outlet 422, which is located at the air outlet 14.

[0054] Specifically, such as Figure 1 As shown, the air inlet 41 is located at the left and right ends of the volute 42. The airflow enters the volute 42 through the left and right air inlets 41. After being accelerated by the impeller 43, the airflow enters the air outlet channel 421. The air outlet channel 421 extends from back to front, and the front end of the air outlet channel 421 forms the air outlet 422. By connecting the air outlet 422 with the air outlet 14, the airflow in the volute 42 can flow out through the air outlet 422 and the air outlet 14 in sequence.

[0055] In some embodiments, such as Figure 1 As shown, in the cross-section of the centrifugal fan 4, the air outlet channel 421 includes a first wall surface 4211 and a second wall surface 4212 located above the first wall surface 4211. Both the first wall surface 4211 and the second wall surface 4212 extend from back to front and are arranged at a downward inclination. The angle between the first wall surface 4211 and the inner top surface 111 of the chamber 11 is greater than the angle between the second wall surface 4212 and the inner top surface 111 of the chamber 11. By setting both the first wall surface 4211 and the second wall surface 4212 to extend from back to front and be arranged at a downward inclination, the airflow is prevented from blowing directly onto the ceiling or wall, which facilitates the diffusion of the airflow exiting the air outlet 14.

[0056] By setting the downward tilt angle of the first wall 4211 to be greater than that of the second wall 4212, the flow area of ​​the air outlet channel 421 gradually increases from back to front, forming a gradually expanding channel. In other words, the vertical distance between the first wall 4211 and the second wall 4212 gradually increases from back to front, and the airflow velocity gradually decreases in the gradually expanding channel, thereby increasing the air pressure and air delivery distance of the air conditioner 100.

[0057] In some embodiments, such as Figure 1 As shown, the front end face of the air outlet 422 is coplanar with the front end face of the air outlet 14. Since the opening direction of the air outlet 14 is forward, by making the front end face of the air outlet 14 and the front end face of the air outlet 422 coplanar, it is convenient for the airflow from the air outlet channel 421 to flow directly out through the air outlet 14.

[0058] In some embodiments, such as Figure 1 As shown, the angle between the first wall surface 4211 and the inner top surface 111 of the chamber 11 is A, 15°≤A≤30°, and the angle between the second wall surface 4212 and the inner top surface 111 of the chamber 11 is B, 0°≤B≤12°. By limiting the inclination angles of the first wall surface 4211 and the second wall surface 4212, it is ensured that the airflow in the air outlet channel 421 is pressurized while ensuring that the airflow flowing out of the air outlet 14 does not interact with the airflow entering the chamber 11 through the front air inlet 13 at the lower end of the front panel 15.

[0059] For example, the value of A is 15°, 20°, or 30°. The value of B is 0°, 6°, or 12°.

[0060] In some embodiments, the chamber 11 includes two sides 112 arranged opposite to each other in the longitudinal direction of the housing 1, and the shortest distance between the end face of the centrifugal fan 4 in its axial direction and the side face 112 of the chamber 11 is T1, where T1 ≥ 40 mm.

[0061] Specifically, such as Figure 2 As shown, the left end of the cavity is the left side face 112, and the right end of the cavity is the right side face 112. The centrifugal fan 4 has a left end face and a right end face on its axial direction. When T1 is too small, the airflow resistance increases, affecting the efficiency of the centrifugal fan 4. When L1 is too large, the size of the air conditioner 100 in the left-right direction increases. By limiting the shortest distance between the left end face and the left side face 112 and the shortest distance between the right end face and the right side face 112, the airflow is ensured to enter the centrifugal fan 4 smoothly, thereby improving the operating efficiency of the centrifugal fan 4.

[0062] For example, T1 can be 40mm, 45mm, or 50mm.

[0063] In some embodiments, such as Figure 3As shown, there are multiple centrifugal fans 4, which are arranged at intervals along the length of the casing 1. The distance between adjacent centrifugal fans 4 is T2, where T2 ≥ 50 mm. By limiting the distance between adjacent centrifugal fans 4, turbulence between two adjacent centrifugal fans 4 is prevented, thereby improving the efficiency of each centrifugal fan 4.

[0064] For example, T2 can be 50mm, 60mm, or 70mm.

[0065] Optionally, there can be two, three, four, or five centrifugal fans 4. Of course, there can also be only one centrifugal fan 4.

[0066] In the description of this disclosure, 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 disclosure and simplifying the description, and are not intended to 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 disclosure.

[0067] Furthermore, 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0068] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "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 components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0069] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0070] In this disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this disclosure. 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. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0071] It is understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present disclosure.

Claims

1. An air conditioner (100) characterized by, include: The housing (1) has a chamber (11). The housing (1) is provided with a lower air inlet (12), a front air inlet (13) and an air outlet (14). The lower air inlet (12), the front air inlet (13) and the air outlet (14) are all connected to the chamber (11). The lower air inlet (12) is located at the bottom of the housing (1). The front air inlet (13) is located on the front side of the housing (1). The air outlet (14) is located at the upper end of the housing (1). The position of the air outlet (14) is higher than that of the front air inlet (13). Heat exchanger (2), which is located in the chamber (11) and has the lowest position; A water receiving tray (3) is disposed in the chamber (11) and adjacent to the front side of the housing (1). A portion of the water receiving tray (3) is located below the lowest position, and the upper edge of the front end of the water receiving tray (3) is higher than the lowest position.

2. The air conditioner (100) according to claim 1, characterized in that The upper edge of the front end of the water receiving tray (3) is higher than the upper edge of the rear end of the water receiving tray (3).

3. The air conditioner (100) according to claim 1, characterized in that The height of the front end of the water receiving tray (3) is L1, and the height of the rear end of the water receiving tray (3) is L2, 15mm≤L1≤55mm, 15mm≤L2≤45mm.

4. The air conditioner (100) according to claim 1, characterized in that, The heat exchanger (2) includes a first section (21) and a second section (22) connected to each other. In a cross section orthogonal to the length direction of the shell (1), the extension direction of the first section (21) and the extension direction of the second section (22) form an angle. The lowest position is formed at the lower edge of the connection between the first section (21) and the second section (22) of the heat exchanger (2).

5. The air conditioner (100) according to claim 4, characterized in that On a cross section orthogonal to the length direction of the shell (1), the included angle between the first segment (21) and the second segment (22) is α, 60°≤α≤90°; and / or, The first segment (21) is disposed adjacent to the front side of the housing (1). In a cross section orthogonal to the length direction of the housing (1), the first segment (21) is arranged obliquely backward in a direction from top to bottom. The angle between the extension direction of the first segment (21) and the vertical direction is γ, and 0°≤γ≤60°; and / or, The second segment (22) is disposed adjacent to the rear side of the housing (1). On a cross section orthogonal to the length direction of the housing (1), the second segment (22) is arranged upward in a direction from front to back. The angle between the extension direction of the second segment (22) and the horizontal direction is δ, 0°≤δ≤45°.

6. The air conditioner (100) of claim 1, wherein, The housing (1) includes a front panel (15), the air outlet (14) is located at the upper end of the front panel (15), and the front air inlet (13) is located on the front panel (15) and below the air outlet (14). In a cross section orthogonal to the length direction of the housing (1), the front panel (15) is arranged to tilt backward in the direction from top to bottom. The angle between the extension direction of the front panel (15) and the vertical direction is β, and 0°≤β≤45°.

7. The air conditioner (100) according to any one of claims 1 to 6, characterized in that It also includes a centrifugal fan (4), which is located in the chamber (11). The axial direction of the centrifugal fan (4) is parallel to the length direction of the shell (1). The centrifugal fan (4) is located on the side of the heat exchanger (2) away from the lower air inlet (12). Both ends of the centrifugal fan (4) in the axial direction are provided with air inlets (41).

8. The air conditioner (100) according to claim 7, characterized in that The centrifugal fan (4) includes a volute (42) and a fan wheel (43). The fan wheel (43) is disposed inside the volute (42). The air inlet (41) is disposed at both ends of the volute (42) along its axial direction. The volute (42) has an air outlet channel (421) extending in the front-rear direction. The front end of the air outlet channel (421) is an air outlet (422), which is located at the air outlet (14). And / or, In the cross-section of the centrifugal fan (4), the air outlet channel (421) includes a first wall surface (4211) and a second wall surface (4212) located above the first wall surface (4211). Both the first wall surface (4211) and the second wall surface (4212) extend from back to front and are arranged downwardly. The angle between the first wall surface (4211) and the inner top surface (111) of the chamber (11) is greater than the angle between the second wall surface (4212) and the inner top surface (111) of the chamber (11).

9. The air conditioner (100) according to claim 8, characterized in that The front end face of the air outlet (422) is coplanar with the front end face of the air outlet (14), and / or, The angle between the first wall surface (4211) and the inner top surface (111) of the cavity (11) is A, 15°≤A≤30°, and the angle between the second wall surface (4212) and the inner top surface (111) of the cavity (11) is B, 0°≤B≤12°.

10. The air conditioner (100) of claim 7, wherein, The chamber (11) includes two sides (112) arranged opposite each other along the length of the housing (1), and the shortest distance between the end face of the centrifugal fan (4) in its axial direction and the side face (112) of the chamber (11) is T1, where T1 ≥ 40 mm; and / or, There are multiple centrifugal fans (4), and the multiple centrifugal fans (4) are arranged at intervals along the length direction of the shell (1). The distance between adjacent centrifugal fans (4) is T2, and T2≥50mm.

Images