CN214949391U - Indoor machine of air conditioner - Google Patents

Abstract

The utility model discloses an air conditioner indoor unit, include: the air conditioner comprises a shell, an air inlet and at least one air outlet are formed in the shell, and at least one part of the bottom of the shell extends upwards from the middle of the length direction of the shell towards the direction of two ends of the length direction of the shell in an inclined mode; the heat exchanger is arranged in the shell and is arranged adjacent to the air inlet; and the fan is arranged on one side of the heat exchanger, which is far away from the air inlet. According to the utility model discloses an air conditioner upwards extends through direction, the slope that sets at least partly the bottom of casing to the length direction's of following the middle part of casing both ends, has increased air conditioner's inner space, can guarantee heat transfer, the radiating effect of parts such as heat exchanger and fan itself effectively, has prolonged air conditioner's life.

Description

Indoor machine of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioning technique and specifically relates to an air conditioner indoor unit is related to.

Background

The air conditioner indoor unit is an electrical product widely used in life of people, plays an important role in indoor temperature adjustment, can provide healthy and comfortable indoor environment for users, and meets the requirements of normal work, life and study.

In the related art, the inner space of the air conditioner indoor unit is narrow, so that the inner components of the air conditioner indoor unit, such as a heat exchanger, a fan and the like, are arranged densely, and the heat exchange and heat dissipation effects of the components are influenced. In addition, the air supply range of the indoor unit of the air conditioner is small, so that the requirements of users cannot be well met, and the user experience is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an air conditioner, increased air conditioner's inner space, can guarantee heat transfer, the radiating effect of parts such as heat exchanger and fan itself effectively, prolonged air conditioner's life.

According to the utility model discloses air conditioner indoor unit, include: the air conditioner comprises a shell, an air inlet and at least one air outlet are formed in the shell, and at least one part of the bottom of the shell extends upwards from the middle of the length direction of the shell towards the direction of two ends of the length direction of the shell in an inclined mode; the heat exchanger is arranged in the shell and is arranged adjacent to the air inlet; and the fan is arranged on one side of the heat exchanger, which is far away from the air inlet.

According to the utility model discloses air conditioner, the direction, the slope that follow the middle part of casing towards the length direction's of casing both ends are upwards extended to at least partly setting of the bottom of casing, have increased air conditioner's inner space, can guarantee heat transfer, the radiating effect of parts such as heat exchanger and fan itself effectively, have prolonged air conditioner's life.

According to some embodiments of the invention, the air outlet is formed on the at least a portion of the bottom of the casing.

According to some embodiments of the invention, the bottom of the housing comprises: the two first bottoms are arranged left and right and connected with each other; the two second bottoms are respectively connected to the front sides of the two first bottoms, each second bottom extends upwards obliquely from back to front relative to the corresponding first bottom, the two second bottoms respectively extend upwards obliquely from the middle of the length direction of the machine shell towards the direction of two ends of the length direction of the machine shell, and the air outlet is formed in at least one of the two second bottoms.

According to some embodiments of the present invention, the first bottom extends obliquely upward respectively along the direction from the middle part of the length direction of the housing toward the two ends of the length direction of the housing.

According to some embodiments of the invention, the first bottom extends horizontally from the middle of the length direction of the housing towards the direction of the two ends of the length direction of the housing.

According to some embodiments of the utility model, the air outlet is two, two the air outlet forms respectively two on the second bottom.

According to some embodiments of the present invention, each of the air outlets is provided with at least one air deflector, and the two air deflectors extend obliquely upward along a direction from the middle of the length direction of the casing to both ends of the length direction of the casing; or the two air deflectors horizontally extend along the direction from the middle part of the length direction of the machine shell to the two ends of the length direction of the machine shell.

According to some embodiments of the invention, the housing is left-right symmetric about a cross-section passing through a center of the housing.

According to some embodiments of the present invention, an angle between the at least a portion of the bottom of the housing and a cross section of the center of the housing is α, wherein α satisfies: alpha is more than or equal to 85 degrees and less than 90 degrees.

According to some embodiments of the present invention, the alpha further satisfies: α ═ 87 °.

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.

Drawings

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

fig. 1 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a front view of the indoor unit of the air conditioner shown in fig. 1;

fig. 3 is an exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 4 is a schematic view of an air conditioner indoor unit according to an embodiment of the present invention, in which the air deflector is not shown;

fig. 5 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention when not in operation;

fig. 6 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention in a cooling mode;

fig. 7 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention in a heating mode.

Reference numerals:

100: an air conditioner indoor unit;

1: a housing; 11: an air outlet; 12: a first bottom portion; 13: a second bottom;

2: a heat exchanger; 3: a fan; 4: an air deflector; 41: an inner air deflector;

42: an outer air deflector.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.

An air conditioner indoor unit 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 7. The air conditioner indoor unit 100 may be a wall-mounted air conditioner indoor unit. In the following description of the present application, the air conditioner indoor unit 100 is exemplified as a wall-mounted air conditioner indoor unit. Of course, the air conditioner indoor unit 100 may be other types of air conditioner indoor units, and is not limited to a wall-mounted air conditioner indoor unit.

As shown in fig. 1 to 4, an air conditioner indoor unit 100 according to an embodiment of the present invention, for example, a wall-mounted air conditioner indoor unit, includes a cabinet 1, at least one heat exchanger 2, and at least one fan 3.

Specifically, the casing 1 is formed with an air inlet and at least one air outlet 11, and at least a part of the bottom of the casing 1 extends obliquely upward from the middle of the casing 1 in the longitudinal direction toward both ends of the casing 1 in the longitudinal direction. Here, it should be noted that "middle" refers to a middle area in the length direction of the housing 1. The heat exchanger 2 is arranged in the shell 1, and the heat exchanger 2 is arranged near the air inlet. The fan 3 is arranged on one side of the heat exchanger 2 far away from the air inlet.

For example, in the example of fig. 1 to 4, the intake vent may be formed at the top of the cabinet 1 and the at least one exhaust vent 11 is formed at the lower front side of the cabinet 1. In the description of the present application, the direction toward the user is referred to as "front", whereas the direction away from the user is referred to as "rear". When the indoor unit 100 of an air conditioner, such as a wall-mounted air conditioner, is operated, the fan 3 rotates to drive indoor air to flow, so that the indoor air can enter the casing 1 through the air inlet and exchange heat with the heat exchanger 2 in the casing 1, and the air after heat exchange can be blown into the room through the air outlet 11 to adjust the indoor temperature.

Through setting at least partly the direction of the length direction's of casing 1 both ends, the slope upwards extends from the middle part of casing 1 towards casing 1 with the bottom of casing 1, compare with traditional air conditioner, increased air conditioner 100's inner space, parts such as heat exchanger 2 and fan 3 can be arranged in casing 1 comparatively loosely to can guarantee the heat transfer of parts such as heat exchanger 2 and fan 3 itself effectively, the radiating effect, air conditioner 100's life has been prolonged.

According to the utility model discloses air conditioner 100 such as wall-hanging air conditioner is through setting at least some of the bottom with casing 1 to the direction, the slope upwards extending from casing 1's middle part towards casing 1's length direction's both ends, has increased air conditioner 100's inner space, can guarantee heat transfer, the radiating effect of parts itself such as heat exchanger 2 and fan 3 effectively, has prolonged air conditioner 100's life.

According to some embodiments of the present invention, referring to fig. 1, 3 and 4, the air outlet 11 is formed on at least a portion of the bottom of the cabinet 1. So set up, the at least one end of the length direction of air outlet 11 upwards extends along the direction slope of keeping away from casing 1 center, can increase air conditioner 100 air supply angle on the left and right sides direction effectively to can enlarge air conditioner 100 air supply scope on the left and right sides direction, promote user experience.

According to some embodiments of the present invention, as shown in fig. 1 to 4, the bottom of the casing 1 includes two first bottoms 12 and two second bottoms 13, the two first bottoms 12 are disposed at left and right sides and connected to each other, the two second bottoms 13 are respectively connected to front sides (for example, an upper side shown in fig. 3) of the two first bottoms 12, each second bottom 13 is inclined and extended upward from back to front with respect to the corresponding first bottom 12, and the two second bottoms 13 are inclined and extended upward from a middle portion of a length direction of the casing 1 toward directions and directions of both ends of the length direction of the casing 1, respectively, and the air outlet 11 is formed on at least one of the two second bottoms 13.

When there is one outlet 11, the outlet 11 may be formed on any one of the two second bottoms 13 (not shown), or left and right ends of the outlet 11 extend to the two second bottoms 13 (not shown). When the air outlet 11 is plural, the plural air outlets 11 may be respectively formed on the two second bottoms 13; alternatively, the plurality of air outlets 11 may be formed on any one of the two second bottoms 13 at the same time (not shown); still alternatively, the left end and the right end of at least one of the air outlets 11 extend to the two second bottoms 13, respectively, and the remaining air outlets 11 may be formed on the two second bottoms 13, respectively (not shown); still alternatively, the left end and the right end of at least one of the air outlets 11 extend to the two second bottoms 13, and the remaining air outlets 11 may be formed on any one of the two second bottoms 13 (not shown). In the description of the present invention, "a plurality" means two or more.

For example, in the example of fig. 1 to 4, there are two air outlets 11, and the two air outlets 11 are formed on the two second bottoms 13, respectively. Since the two second bottom portions 13 extend obliquely upward from the middle of the length direction of the casing 1 toward the two ends of the length direction of the casing 1, the two second bottom portions 13 are substantially V-shaped, so that the two air outlets 11 are also substantially V-shaped. Therefore, the air supply angle of the air conditioner indoor unit 100 can be further increased, so as to ensure that the air conditioner indoor unit 100 has a larger air supply range.

In some alternative embodiments, referring to fig. 1, 3 and 4, the two first bottom portions 12 extend obliquely upward in directions from a middle of the length direction of the cabinet 1 toward both ends of the length direction of the cabinet 1, respectively. For example, the angle between each first bottom 12 and the cross section passing through the center of the cabinet 1 may be the same as the angle between the corresponding second bottom 13 and the cross section passing through the center of the cabinet 1, and the first bottom 12 and the second bottom 13 on the same side of the indoor unit 100 of the air conditioner are located in the same plane. Therefore, the machine shell 1 is simple in structure and convenient to machine the machine shell 1.

In other alternative embodiments, both first bottom portions 12 extend horizontally (not shown) in a direction from the middle of the length direction of the cabinet 1 toward both ends of the length direction of the cabinet 1. With such an arrangement, the maximum width of the casing 1 can be effectively reduced, so that the installation space of the air conditioner indoor unit 100 can be further reduced, and the appearance of the whole air conditioner indoor unit 100 is more regular.

According to some embodiments of the present invention, each air outlet 11 is provided with at least one air deflector 4, and the two air deflectors 4 are respectively inclined and upwardly extended along the direction from the middle of the length direction of the casing 1 to the two ends of the length direction of the casing 1. As shown in fig. 3, there are two air outlets 11, each air outlet 11 is provided with an inner air deflector 41 and an outer air deflector 42, one end of the upper side of each air outlet 11 is provided with a first rotating shaft hole, one end of the upper side of each inner air deflector 41 is provided with a first rotating shaft, the first rotating shaft is pivotally fitted in the corresponding first rotating shaft hole, and the other end of the upper side of each inner air deflector 41 is pivotally connected to an output shaft of a driving motor, so as to adjust an opening angle of the inner air deflector 41 relative to the air outlet 11. A second rotating shaft is arranged at one end of the lower side of each air outlet 11, a second rotating shaft hole is formed at one end of the lower end of each outer air deflector 42, the second rotating shaft can be pivotally matched in the corresponding second rotating shaft hole, a third rotating shaft hole is formed at the other end of the lower side of each air outlet 11, a third rotating shaft is arranged at the other end of the lower end of each outer air deflector 42, and the third rotating shaft can be pivotally matched in the third rotating shaft hole, so that the corresponding air outlet 11 can be opened and closed by the outer air deflector 42.

As shown in fig. 5, when the air conditioner indoor unit 100, such as a wall-mounted air conditioner indoor unit, is not in operation, the outer air guiding plate 42 is located at the front side of the inner air guiding plate 41 to seal the whole air outlet 11, so as to ensure the sealing performance at the air outlet 11 and effectively prevent impurities, such as insects, from entering the air outlet channel through the air outlet 11.

As shown in fig. 6, when the air conditioner 100, for example, a wall-mounted air conditioner, is in a cooling mode, the inner air guiding plate 41 and the outer air guiding plate 42 both rotate to a substantially horizontal position, and the upper surfaces of the free ends of the inner air guiding plate 41 and the outer air guiding plate 42 may both extend obliquely and upwardly, at this time, the cold air flow at the air outlet 11 may flow from top to bottom by the guiding effect of the inner air guiding plate 41 and the outer air guiding plate 42. Therefore, the left and right air supply ranges of the cold air flow at the air outlet 11 are expanded, and the shower-type air outlet during the refrigeration of the indoor unit 100 of the air conditioner can be realized, so that the user experience is further improved.

As shown in fig. 7, when the air conditioner 100, such as a wall-mounted air conditioner, is in a heating mode, the inner air deflector 41 and the outer air deflector 42 can both rotate to a vertical direction, and at this time, the hot air flow at the air outlet 11 can be guided by the inner air deflector 41 and the outer air deflector 42, so that the hot air flow with lower density can flow from bottom to top. Therefore, the left and right air supply ranges of hot air flow at the air outlet 11 are expanded, and meanwhile 'carpet type' air blowing during heating of the indoor unit 100 of the air conditioner can be achieved, and user experience is further improved.

In addition, the inner air guiding plate 41 and the outer air guiding plate 42 are respectively connected to the upper side and the lower side of the air outlet 11, so that when the air conditioner indoor unit 100, such as a wall-mounted air conditioner indoor unit, works, the length of an air outlet channel can be effectively prolonged, and the air supply distance of the air conditioner indoor unit 100 can be effectively increased.

In fig. 3, two inner wind deflectors 41 and two outer wind deflectors 42 are shown for illustrative purposes, but it is obvious to those skilled in the art after reading the technical solution of the present application that the solution can be applied to other numbers of inner wind deflectors 41 and outer wind deflectors 42, which also falls within the protection scope of the present invention.

Of course, the present invention is not limited to this, and both the air deflectors 4 extend horizontally (not shown) in the direction from the middle of the length direction of the casing 1 toward both ends of the length direction of the casing 1. With such arrangement, on one hand, the air supply range of the indoor unit 100 of the air conditioner can be ensured; on the other hand, when the air conditioner indoor unit 100, such as a wall-mounted air conditioner indoor unit, is not in operation, the two air deflectors 4 may be located in the same plane, so that the appearance of the air conditioner indoor unit 100 is more beautiful.

Alternatively, as shown in fig. 1 to 4, the casing 1 is left-right symmetrical with respect to a cross section passing through the center of the casing 1. Therefore, the structure of the casing 1 is simpler, the processing of the casing 1 is facilitated, the production efficiency of the casing 1 can be effectively improved, and the appearance of the whole air conditioner indoor unit 100 is more attractive.

In some alternative embodiments, as shown in fig. 2, an angle between the at least one portion of the bottom of the chassis 1 and a cross-section passing through the center of the chassis 1 is α, where α satisfies: alpha is more than or equal to 85 degrees and less than 90 degrees. When α < 85 °, an angle between the at least a portion of the bottom of the casing 1 and a cross section passing through the center of the casing 1 is small, which may increase a width of the casing 1 in the vertical direction, thereby increasing an installation space of the air conditioner indoor unit 100, and further affecting applicability of the air conditioner indoor unit 100. Therefore, by making alpha equal to or less than 85 degrees and less than 90 degrees, the installation space of the air conditioner indoor unit 100 can be effectively ensured on the basis of ensuring the expansion of the air supply range of the air outlet 11, thereby ensuring the applicability of the air conditioner indoor unit 100.

Further optionally, a may further satisfy: α ═ 87 °. When α < 87 °, the width of the cabinet 1 may be large, which may increase the installation space of the air conditioner indoor unit 100; when α > 87 °, an angle between the at least a portion of the bottom of the cabinet 1 and a projection of a cross section passing through the center of the cabinet 1 on the rear surface of the cabinet 1 is relatively large, an air blowing range of the air conditioner indoor unit 100 in the left-right direction is relatively reduced, and it may be inconvenient to machine the cabinet 1. Therefore, when α is 87 °, the installation space of the air conditioner indoor unit 100 can be ensured, the air supply range of the air conditioner indoor unit 100 in the left-right direction can be ensured, and the processing of the housing 1 is facilitated.

According to some embodiments of the present invention, the heat exchanger 2, the fan 3 and the air outlet 11 may be one (not shown). For example, the left end of the outlet 11 extends to the left end of the left second bottom 13, and the right end of the outlet 11 extends to the right end of the right second bottom 13, so that the outlet 11 is substantially V-shaped. Accordingly, the air supply range of the air conditioner indoor unit 100 in the left-right direction can be expanded.

According to other embodiments of the present invention, the air outlet 11 may be a plurality of air outlets 11, and the plurality of air outlets 11 are formed on the two second bottoms 13, respectively. Correspondingly, the number of the heat exchangers 2 can also be multiple, the plurality of heat exchangers 2 are respectively opposite to the plurality of air outlets 11, and the plurality of heat exchangers 2 work independently. The fans 3 are multiple, each fan 3 is arranged on one side, far away from the air inlet, of the corresponding heat exchanger 2, and the fans 3 work independently. In the description of the present invention, "a plurality" means two or more. For example, in the example of fig. 1-4, there are two heat exchangers 2 and two fans 3, with the two heat exchangers 2 being spaced apart from each other along the length of the enclosure 1 and the two fans 3 also being spaced apart from each other along the length of the enclosure 1. The air outlet 11 on the left side of the machine shell 1 is opposite to the heat exchanger 2 and the fan 3 on the left side, and the air outlet 11 on the right side of the machine shell 1 is opposite to the heat exchanger 2 and the fan 3 on the right side.

When the indoor unit 100 of the air conditioner is operated and a user is located on either the left side or the right side of the indoor unit 100 of the air conditioner, only one of the two heat exchangers 2 may be operated, and at this time, the fan 3 opposite to the operated heat exchanger 2 is operated, and the air outlet 11 opposite to the operated heat exchanger 2 is opened. Wherein, the heat exchanger 2 of work can be the heat exchanger 2 that the user belongs to the regional correspondence, for example, when the user is located the left side of air conditioner 100, the left side heat exchanger 2 work of air conditioner 100 to can the regional temperature in quick adjustment user place, and can reduce air conditioner 100's energy consumption. Of course, the working heat exchanger 2 may also be the heat exchanger 2 on the opposite side of the area where the user is located, for example, when the user is located on the left side of the air conditioner indoor unit 100, the right side heat exchanger 2 of the air conditioner indoor unit 100 works, so that the air flow can be prevented from blowing the user directly. When the user dispersion was in indoor each position department, can two heat exchanger 2 simultaneous workings, two fans 3 simultaneous workings this moment, two air outlets 11 are all opened. From this, can increase the air-out mode of air conditioner indoor unit 100, realize air conditioner indoor unit 100 subregion air supply, can further promote user experience. It will be appreciated that the specific operating conditions of the two heat exchangers 2 can be specifically set according to the actual needs of the user, so as to better meet the actual application.

Other configurations and operations of the air conditioner indoor unit 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An indoor unit for an air conditioner, comprising:

the air conditioner comprises a shell, an air inlet and at least one air outlet are formed in the shell, and at least one part of the bottom of the shell extends upwards from the middle of the length direction of the shell towards the direction of two ends of the length direction of the shell in an inclined mode;

the heat exchanger is arranged in the shell and is arranged adjacent to the air inlet;

and the fan is arranged on one side of the heat exchanger, which is far away from the air inlet.

2. An indoor unit for an air conditioner according to claim 1, wherein the air outlet is formed at the at least a portion of the bottom of the cabinet.

3. An indoor unit for an air conditioner according to claim 2, wherein the bottom of the cabinet comprises:

the two first bottoms are arranged left and right and connected with each other;

the two second bottoms are respectively connected to the front sides of the two first bottoms, each second bottom extends upwards obliquely from back to front relative to the corresponding first bottom, the two second bottoms respectively extend upwards obliquely from the middle of the length direction of the machine shell towards the direction of two ends of the length direction of the machine shell, and the air outlet is formed in at least one of the two second bottoms.

4. An indoor unit for an air conditioner according to claim 3, wherein the two first bottom portions extend obliquely upward in directions from a middle portion of the longitudinal direction of the casing toward both ends of the longitudinal direction of the casing, respectively.

5. An indoor unit for an air conditioner according to claim 3, wherein both of the first bottom portions extend horizontally in a direction from a middle portion in a length direction of the casing toward both ends in the length direction of the casing.

6. An indoor unit for an air conditioner according to claim 3, wherein there are two air outlets, and the two air outlets are formed at the two second bottom portions, respectively.

7. An indoor unit of an air conditioner according to claim 6, wherein each air outlet is provided with at least one air deflector,

the two air deflectors respectively extend upwards in an inclined mode along the direction from the middle of the length direction of the machine shell to the two ends of the length direction of the machine shell; or

The two air deflectors horizontally extend along the direction from the middle of the length direction of the casing to the two ends of the length direction of the casing.

8. An indoor unit for an air conditioner according to claim 1, wherein the casing is bilaterally symmetrical with respect to a cross-section passing through a center of the casing.

9. The indoor unit of any one of claims 1 to 8, wherein an angle between the at least a portion of the bottom of the cabinet and a cross-section through a center of the cabinet is α, wherein α satisfies: alpha is more than or equal to 85 degrees and less than 90 degrees.

10. The indoor unit of claim 9, wherein the a further satisfies: α ═ 87 °.

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