Air conditioner

Abstract

The air conditioner comprises a shell, a cross-flow fan and an evaporator, an air outlet is formed in the upper side of the shell, an air inlet is formed in the bottom of the shell, an inner cavity of the shell comprises an air outlet duct extending to the air outlet, and the air outlet duct comprises a first side face and a second side face which are opposite in the width direction of the shell. The outer surface of the shell comprises a third side face used for abutting against the wall face, the distance between any two of the first side face, the second side face and the third side face in the width direction of the shell is gradually increased in the direction close to the air outlet, and the cross-flow fan is installed in the shell. The evaporator is installed in the shell and located between the cross-flow fan and the air inlet. The air conditioner has the advantages of being large in air outlet angle and large in air outlet area.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field, concretely relates to an air conditioner. BACKGROUND

[0002] Air conditioner is a kind of temperature control equipment that can adjust the environmental parameters such as temperature and humidity in daily life, and the current air conditioner types mainly include wall-mounted type, stand type and central air conditioner, wherein the wall-mounted type is an air conditioner type that can hang air conditioner indoor unit on wall.

[0003] The wall-mounted air conditioner indoor unit in prior art is mostly in the form of upper air inlet and lower air outlet, and this structural design causes the problems of small air outlet angle, small air outlet area, short air outlet distance and limited indoor air circulation of air conditioner indoor unit, which reduces user experience. UTILITARY MODEL

[0004] The utility model aims at at least one of the technical problems in the related art to some extent.

[0005] Therefore, the embodiment of the utility model provides an evaporator, which has the advantages of large air outlet angle, large air outlet area, long air outlet distance and high indoor air circulation efficiency.

[0006] The air conditioner of the embodiment of the utility model comprises a shell, a cross-flow fan and an evaporator, the upper side of the shell is provided with an air outlet, the bottom of the shell is provided with an air inlet, the inner cavity of the shell comprises an air outlet air duct extending to the air outlet, the air outlet air duct comprises a first side surface and a second side surface opposite along the width direction of the shell, the outer surface of the shell comprises a third side surface for abutting with wall surface, and the distance between the first side surface, the second side surface and the third side surface gradually increases in the direction close to the air outlet in the width direction of the shell;The cross-flow fan is installed in the shell;The evaporator is installed in the shell, and the evaporator is located between the cross-flow fan and the air inlet.

[0007] According to the air conditioner of the embodiment of the utility model, the distance between the first side surface and the second side surface gradually increases in the direction close to the air outlet, thereby effectively increasing the air outlet angle and air outlet area of the air conditioner. By setting that the first side surface and the second side surface are both inclined upward and forward relative to the third side surface, that is, making the air outlet air duct inclined upward and forward, the air flow is blown upward and forward to the indoor, effectively avoiding that the air flow is blocked by wall surface and wall top to cause wind loss, effectively ensuring that the air flow has longer air outlet distance and high indoor air circulation efficiency.

[0008] In some embodiments, the first side is located on a side of the second side away from the third side, and a projection of the first side on a projection plane perpendicular to the length direction of the shell comprises a first straight line segment and a first arc line segment connected to each other, a free end of the first arc line segment extends to an edge of the air outlet, the first straight line segment forms an angle a with the height direction of the shell, and a central angle of the first arc line segment is b, where 30°≤a≤50° and / or 30°≤b≤50°.

[0009] In some embodiments, a projection of the second side on a projection plane perpendicular to the length direction of the shell comprises a second straight line segment and a second arc line segment connected to each other, a free end of the second arc line segment extends to an edge of the air outlet, the second straight line segment forms an angle c with the height direction of the shell, and a central angle of the second arc line segment is d, where 20°≤c≤30° and / or 20°≤d≤30°.

[0010] In some embodiments, a projection of the evaporator on a projection plane perpendicular to the length direction of the shell is a strip shape, and an extension direction of the projection of the evaporator forms an angle W1 with the height direction of the shell, where 35°≤W1≤50°.

[0011] In some embodiments, a distance between the central axis of the cross-flow fan and the upper edge of the evaporator in the width direction of the shell is L1, an inner surface of the shell comprises a first arc surface connected to the upper edge of the evaporator, the first arc surface is located on a side of the evaporator facing the cross-flow fan, and a projection of the first arc surface on a projection plane perpendicular to the length direction of the shell has a central angle W2, where 110mm≤L1≤130mm and 60°≤W2≤75°.

[0012] In some embodiments, the evaporator comprises a first plate body and a second plate body arranged from top to bottom and at an angle, the first plate body and the second plate body surround a V-shaped groove of the cross-flow fan through the shaped opening, the first plate body forms an angle W3 with the height direction of the shell, and the second plate body forms an angle W4 with the height direction of the shell, where 0≤W3≤20° and 35°≤W4≤50°.

[0013] In some embodiments, a distance between the central axis of the cross-flow fan and the upper edge of the first plate body in the width direction of the shell is L2, an inner surface of the shell comprises a second arc surface connected to the upper edge of the first plate body, the second arc surface is located on a side of the first plate body facing the cross-flow fan, and a projection of the second arc surface on a projection plane perpendicular to the length direction of the shell has a central angle W5, where 80mm≤L2≤110mm and 50°≤W5≤60°.

[0014] In some embodiments, the shell comprises a base and a front panel, the base is provided with the third side surface, the front panel is provided with a fourth side surface opposite to the base in the width direction of the base, and the fourth side surface is at an angle W6 with the height direction of the base, where 5°≤W6≤15°.

[0015] In some embodiments, the base has a fifth side surface opposite to the third side surface in the width direction of the base, and the minimum distance between the third side surface and the fifth side surface in the width direction of the base is S, where 8mm≤S≤18mm.

[0016] In some embodiments, a water pan is mounted on the base, the water pan is located below the lower edge of the evaporator, and the water pan abuts against the fifth side surface, or the water pan is closer to the fifth side surface than the front panel. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a sectional view of an air conditioner according to an embodiment of the present application.

[0018] Figure 2 is another sectional view of an air conditioner according to an embodiment of the present application.

[0019] REFERENCE NUMERALS:

[0020] 1, shell; 11, base; 12, front panel; 121, fourth side surface; 13, air outlet; 14, air inlet; 15, first side surface; 151, first straight line segment; 152, first arcuate segment; 16, second side surface; 161, second straight line segment; 162, second arcuate segment; 17, third side surface; 18, fifth side surface; 2, cross-flow fan; 3, evaporator; 31, first plate body; 32, second plate body; 4, water pan. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0022] The air conditioner according to the embodiments of the present application is described below in conjunction with Figure 1 and Figure 2

[0023] The air conditioner according to the embodiments of the present application is described below in conjunction with Figure 1 ​The outer surface of the shell 1 comprises a third side surface 17 for abutting against a wall surface, and the distance between the first side surface 15 and the second side surface 16 gradually increases in a direction close to the air outlet 13. The cross-flow fan 2 is installed in the shell 1. The evaporator 3 is installed in the shell 1 and located between the cross-flow fan 2 and the air inlet 14.

[0024] According to the air conditioner, the distance between the first side surface 15 and the second side surface 16 gradually increases in a direction close to the air outlet 13, thereby effectively increasing the air outlet angle and the air outlet area of the air conditioner. The first side surface 15 and the second side surface 16 are both inclined forward relative to the third side surface 17, that is, the air outlet air duct is inclined upward and forward, so that the air flow is blown upward and forward into the room, effectively avoiding the air flow being blocked by the wall surface and the ceiling and causing wind loss, effectively ensuring that the air flow has a longer air outlet distance, and the indoor air circulation efficiency is high.

[0025] It should be noted that the up-down, front-back, left-right directions of the shell 1 are consistent with the up-down, front-back, left-right directions of the air conditioner after actual installation. The third side surface 17 is a vertical surface perpendicular to the front-back direction of the shell 1.

[0026] In some embodiments, as shown in Figure 1 The first side surface 15 is located on the side away from the third side surface 17 of the second side surface 16. In a projection plane perpendicular to the length direction of the shell 1, the projection of the first side surface 15 comprises a first straight line segment 151 and a first arc line segment 152 connected to each other, the free end of the first arc line segment 152 extends to the edge of the air outlet 13, the first straight line segment 151 forms an angle a with the height direction of the shell 1, and the central angle of the first arc line segment 152 is b, wherein 30°≤a≤50°, and / or 30°≤b≤50°.

[0027] This setting increases the air outlet angle of the air outlet air duct on the one hand, and avoids the width of the air outlet air duct being too large to cause the air outlet speed to be small and affect the air outlet distance, thereby effectively improving the indoor air circulation efficiency.

[0028] Specifically, the first straight line segment 151 and the first arc line segment 152 coincide at the tangent line of the lower edge thereof, and the tangent line of the upper edge of the first arc line segment 152 extends in the up-down direction of the shell 1. Wherein, a=b, a and b can be 30°, 40° and 50°.

[0029] In some embodiments, in a projection plane perpendicular to the length direction of the shell 1, the projection of the second side surface 16 comprises a second straight line segment 161 and a second arc line segment 162 connected to each other, the free end of the second arc line segment 162 extends to the edge of the air outlet 13, the second straight line segment 161 is at an angle c with the height direction of the shell 1, and the central angle of the second arc line segment 162 is d, wherein 20°≤c≤30° and / or 20°≤d≤30°.

[0030] On the one hand, this arrangement increases the air outlet angle of the air outlet duct, and on the other hand, it avoids the width of the air outlet duct being too large to cause the air outlet speed to be small, thereby affecting the air outlet distance, and effectively improves the indoor air circulation efficiency. Moreover, by arranging the inclination angle of the second side surface 16 to be smaller than the inclination angle of the first side surface 15, the air outlet duct is ensured to have a trumpet-shaped flared structure, thereby effectively increasing the air outlet angle and air outlet area of the air conditioner, and the user experience is better.

[0031] Specifically, the second straight line segment 161 and the second arc line segment 162 coincide at the tangent line at the lower end thereof, and the tangent line at the upper end of the second arc line segment 162 extends in a direction consistent with the up-down direction of the shell 1. Wherein, c=d, c and d can be 20°, 25° and 30°.

[0032] In some embodiments, as shown in Figure 1 In a projection plane perpendicular to the length direction of the shell 1, the projection of the evaporator 3 is a strip-shaped, and the extension direction of the projection of the evaporator 3 is at an angle W1 with the height direction of the shell 1, wherein 35°≤W1≤50°.

[0033] The above-mentioned inclined angle of the evaporator 3 can better guide and comb the airflow passing through, so that the airflow can flow more uniformly over the surface of the evaporator 3, and ensure that all parts of the evaporator 3 can fully participate in heat exchange, thereby better avoiding the situation of uneven local heat exchange. At this time, the evaporator 3 also facilitates the condensate to flow down the inclined surface and be discharged to the water pan 4, effectively preventing water accumulation in the evaporator 3, reducing the risk of bacteria, mold and other factors affecting the use of the air conditioner and the indoor air quality. At the same time, this arrangement also makes at least part of the water pan 4 deviate from the air inlet 14 in the up-down direction, so that the air inlet airflow has smaller resistance when passing through the water pan 4, and the energy efficiency ratio of the air conditioner is higher.

[0034] Specifically, W1 can be 35°, 40°, 45° and 50°. One end of the evaporator 3 can be positioned on the base 11 of the shell 1 through the cooperation of the guide column and the guide hole, and the other end of the evaporator 3 is connected to the base 11 through a threaded member.

[0035] In some embodiments, as shown in Figure 1As shown, the distance between the central axis of the cross-flow fan 2 and the upper edge of the evaporator 3 in the width direction of the shell 1 is L1, the inner surface of the shell 1 includes a first arc surface connected with the upper edge of the evaporator 3, the first arc surface is located on the side of the evaporator 3 facing the cross-flow fan 2, and the central angle of the projection of the first arc surface on the projection plane perpendicular to the length direction of the shell 1 is W2, wherein 110mm≤L1≤130mm and 60°≤W2≤75°.

[0036] By setting 110mm≤L1≤130mm, on the one hand, it ensures that there is a large enough gas flow space between the cross-flow fan 2 and the evaporator 3, so as to effectively ensure that the air flow passing through the evaporator 3 is fully heat exchanged with the evaporator 3, and effectively ensure the refrigeration and heating efficiency of the air conditioner. On the other hand, it also avoids the cross-flow fan 2 being far away from the evaporator 3 and interfering with other components in the air conditioner, so as to make the internal structure of the air conditioner compact. By setting 60°≤W2≤75°, the first arc surface has good guiding effect on the air flow passing through the evaporator 3, and effectively avoids the heat-exchanged air from staying at the first arc surface and affecting the refrigeration and heating efficiency of the air conditioner.

[0037] Specifically, L1 can be 110mm, 120mm and 130mm, and W2 can be 60°, 65°, 70° and 75°.

[0038] In some embodiments, as shown, Figure 2 As shown, the evaporator 3 includes a first plate body 31 and a second plate body 32 arranged from top to bottom and at an angle, the first plate body 31 and the second plate body 32 surround the V-shaped groove of the shaped opening and face the cross-flow fan 2, the first plate body 31 is at an angle W3 with the height direction of the shell 1, and the second plate body 32 is at an angle W4 with the height direction of the shell 1, wherein 0≤W3≤20° and 35°≤W4≤50°.

[0039] The first plate body 31 and the second plate body 32 with the above-mentioned inclination angles can better guide and comb the passing air flow, so that the air flow can flow more uniformly over the surface of the evaporator 3, and ensure that all parts of the evaporator 3 can fully participate in heat exchange, and better avoid the situation of uneven local heat exchange. At this time, the first plate body 31 and the second plate body 32 also facilitate the condensate water to flow down the inclined surface and be discharged to the water pan 4, effectively preventing water accumulation in the evaporator 3, reducing the hidden danger of affecting the use of the air conditioner and the indoor air quality due to the breeding of bacteria and mold. At the same time, this setting also makes at least part of the water pan 4 deviate from the air inlet 14 in the up-down direction, so that the resistance of the air flow passing through the water pan 4 is smaller, and the energy efficiency ratio of the air conditioner is higher. Finally, compared with the plate-type evaporator 3, this setting has a larger heat exchange efficiency, thereby making the air conditioner have higher refrigeration and heating efficiency.

[0040] Specifically, W3 can be 0°, 5°, 10°, 15° and 20°. W4 can be 35°, 40°, 45° and 50°, one end of each of the first plate body 31 and the second plate body 32 can be positioned on the base 11 of the shell 1 through the cooperation of the guide column and the guide hole, and the other end of each of the first plate body 31 and the second plate body 32 is connected to the base 11 through a threaded part.

[0041] In some embodiments, the distance between the central axis of the cross-flow fan 2 and the upper edge of the first plate body 31 in the width direction of the shell 1 is L2, the inner surface of the shell 1 comprises a second arc surface that is connected to the upper edge of the first plate body 31, the second arc surface is located on the side of the first plate body 31 facing the cross-flow fan 2, and the central angle of the projection of the second arc surface on the projection plane perpendicular to the length direction of the shell 1 is W5, wherein 80mm≤L2≤110mm and 50°≤W5≤60°.

[0042] By setting 80mm≤L2≤110mm, on the one hand, it ensures that there is a large enough gas flow space between the cross-flow fan 2 and the first plate body 31, so as to effectively ensure that the inlet air flow is fully heat-exchanged with the first plate body 31 and the second plate body 32 when passing through the first plate body 31, and effectively ensure the refrigeration and heating efficiency of the air conditioner, and on the other hand, it also avoids that the cross-flow fan 2 is far away from the first plate body 31 and interferes with other components in the air conditioner, so as to make the internal structure of the air conditioner compact. By setting 50°≤W5≤60°, the second arc surface has good guiding performance for the air flow passing through the first plate body 31, and effectively avoids that the heat-exchanged air stays at the second arc surface, thereby affecting the refrigeration and heating efficiency of the air conditioner.

[0043] Specifically, L2 can be 80mm, 90mm, 100mm and 110mm, and W5 can be 50°, 55° and 60°.

[0044] In some embodiments, the shell 1 comprises the base 11 and the front panel 12, the base 11 is provided with a third side surface 17, the front panel 12 is provided with a fourth side surface 121 opposite to the base 11 in the width direction of the base 11, and the fourth side surface 121 is at an angle W6 with the height direction of the base 11, wherein 5°≤W6≤15°.

[0045] This setting makes the outer contour of the shell 1 wide at the top and narrow at the bottom, and the inner surface of the front panel 12 can better guide the inlet air flow to the evaporator 3, effectively avoiding that the inlet air flow stays at the upper right area of the evaporator 3, and effectively ensuring the refrigeration and heating efficiency of the air conditioner. This setting also makes the air conditioner have high appearance aesthetics.

[0046] Specifically, W6 can be 5°, 10° and 15°, and the lower end of the front panel 12 is inclined rearward relative to the upper end.

[0047] In some embodiments, the base 11 has a fifth side surface 18 opposite the third side surface 17 along the width direction of the base 11, and the minimum distance between the third side surface 17 and the fifth side surface 18 in the width direction of the base 11 is S, where 8mm≤S≤18mm.

[0048] This arrangement, on the one hand, ensures that the base 11 has sufficient structural strength and support strength, so that the air conditioner has a longer service life, and on the other hand, avoids the rear wall of the base 11 excessively occupying the inner cavity of the shell 1 and affecting the flow collection effect of the gas, so that the air outlet effect of the air conditioner is better.

[0049] Specifically, S can be 8mm, 12mm, 14mm and 18mm. The thinnest position of the rear wall of the base 11 is the position of the shaped flow collection section.

[0050] In some embodiments, the base 11 is provided with a water collecting tray 4, the water collecting tray 4 is located below the lower edge of the evaporator 3, the water collecting tray 4 abuts against the fifth side surface 18, or the water collecting tray 4 is closer to the fifth side surface 18 than the front panel 12.

[0051] On the basis that the air inlet 14 is arranged on the bottom surface of the base 11, the above arrangement causes at least part of the water collecting tray 4 to deviate from the air inlet 14 in the up-down direction, so that the resistance of the air flow passing through the water collecting tray 4 is smaller, and the energy efficiency ratio of the air conditioner is higher. At the same time, the rear upper edge of the water collecting tray 4 can abut against the fifth side surface 18, so as to collect the condensed water on the base 11, so as to further reduce the probability of the condensed water dropping to the outside.

[0052] Specifically, the water collecting tray 4 is connected to the base 11 through a threaded part at both ends in the left-right direction, and at the same time, the water collecting tray 4 can also be clamped with the base 11 to ensure the positional reliability therebetween.

[0053] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0054] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or any meaning pertaining to the quantity of the features being described. Thus, a feature defined with "first", "second", etc. can include at least one of the features, explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0055] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connection", "fixing" and the like should be interpreted in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection or communication with each other; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0056] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0057] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the description, the illustrative representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application and the features of different embodiments or examples without contradiction.

[0058] Although the above embodiments have been shown and described, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Changes, modifications, replacements and variations of the above embodiments made by those skilled in the art are within the scope of the present application.

Claims

1. An air conditioner characterized by comprising: The application relates to a wall-mounted air conditioner, which comprises the following components: a shell (1), the upper side of the shell (1) is provided with an air outlet (13), the bottom of the shell (1) is provided with an air inlet (14), the inner cavity of the shell (1) comprises an air outlet air duct extending to the air outlet (13), the air outlet air duct comprises a first side (15) and a second side (16) opposite to each other in the width direction of the shell (1), the outer surface of the shell (1) comprises a third side (17) for abutting against a wall surface, the distance between any two of the first side (15), the second side (16) and the third side (17) in the width direction of the shell (1) gradually increases towards the direction close to the air outlet (13); a cross-flow fan (2) installed in the shell (1); an evaporator (3) installed in the shell (1), the evaporator (3) is located between the cross-flow fan (2) and the air inlet (14).

2. The air conditioner of claim 1, wherein The first side (15) is located on the side away from the third side (17) of the second side (16), in the projection plane perpendicular to the length direction of the shell (1), the projection of the first side (15) comprises a first straight line segment (151) and a first arc line segment (152) connected to each other, the free end of the first arc line segment (152) extends to the edge of the air outlet (13), the first straight line segment (151) forms an angle a with the height direction of the shell (1), and the central angle of the first arc line segment (152) is b, wherein 30 DEG ≤ a ≤ 50 DEG and / or 30 DEG ≤ b ≤ 50 DEG.

3. The air conditioner of claim 1, wherein In the projection plane perpendicular to the length direction of the shell (1), the projection of the second side (16) comprises a second straight line segment (161) and a second arc line segment (162) connected to each other, the free end of the second arc line segment (162) extends to the edge of the air outlet (13), the second straight line segment (161) forms an angle c with the height direction of the shell (1), and the central angle of the second arc line segment (162) is d, wherein 20 DEG ≤ c ≤ 30 DEG and / or 20 DEG ≤ d ≤ 30 DEG.

4. The air conditioner of claim 1, wherein In the projection plane perpendicular to the length direction of the shell (1), the projection of the evaporator (3) is in the shape of a strip, the extension direction of the projection of the evaporator (3) forms an angle W1 with the height direction of the shell (1), wherein 35 DEG ≤ W1 ≤ 50 DEG.

5. The air conditioner of claim 1, wherein The distance between the central axis of the cross-flow fan (2) and the upper edge of the evaporator (3) in the width direction of the shell (1) is L1, the inner surface of the shell (1) comprises a first arc surface connected to the upper edge of the evaporator (3), the first arc surface is located on the side of the evaporator (3) facing the cross-flow fan (2), in the projection plane perpendicular to the length direction of the shell (1), the projection of the first arc surface forms a central angle W2, wherein 110 mm ≤ L1 ≤ 130 mm and 60 DEG ≤ W2 ≤ 75 DEG.

6. The air conditioner of claim 1, wherein The evaporator (3) comprises a first plate body (31) and a second plate body (32) arranged from top to bottom and at an angle, the first plate body (31) and the second plate body (32) surround a V-shaped groove of the cross-flow fan (2) towards the forming opening, the first plate body (31) is at an angle W3 with the height direction of the shell (1), the second plate body (32) is at an angle W4 with the height direction of the shell (1), wherein 0≤W3≤20°, 35°≤W4≤50°.

7. The air conditioner of claim 6, wherein The distance between the central axis of the cross-flow fan (2) and the upper edge of the first plate body (31) in the width direction of the shell (1) is L2, the inner surface of the shell (1) comprises a second arc surface connected with the upper edge of the first plate body (31), the second arc surface is located on the side of the first plate body (31) towards the cross-flow fan (2), the central angle of the projection of the second arc surface on the projection plane perpendicular to the length direction of the shell (1) is W5, wherein 80mm≤L2≤110mm, 50°≤W5≤60°.

8. The air conditioner according to any one of claims 1 to 7, characterized by The shell (1) comprises a base (11) and a front panel (12), the third side (17) is arranged on the base (11), the fourth side (121) opposite to the base (11) in the width direction of the base (11) is arranged on the front panel (12), the fourth side (121) is at an angle W6 with the height direction of the base (11), wherein 5°≤W6≤15°.

9. The air conditioner of claim 8, wherein The base (11) has a fifth side (18) opposite to the third side (17) in the width direction of the base (11), the minimum distance between the third side (17) and the fifth side (18) in the width direction of the base (11) is S, wherein 8mm≤S≤18mm.

10. The air conditioner of claim 9, wherein The water pan (4) is mounted on the base (11), the water pan (4) is located below the lower edge of the evaporator (3), the water pan (4) abuts against the fifth side (18), or the water pan (4) is closer to the fifth side (18) than the front panel (12).

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