CN210463249U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model discloses an indoor unit of air conditioner, include: the method comprises the following steps: the air conditioner comprises a shell, a first air outlet and a second air outlet, wherein the shell is provided with the first air outlet; an opening and closing door assembly comprising: the switch door is arranged in the shell in a sliding mode along the circumferential direction of the shell so as to open or close at least part of the first air outlet; the driving device is used for driving the switch door to move between a position for closing the first air outlet and a position for opening the first air outlet, and comprises a driving motor, a gear and a rack, wherein the gear is connected with an output shaft of the driving motor, the rack is arranged on the switch door, and the rack is meshed with the gear to drive the switch door to slide. According to the utility model discloses an indoor unit of air conditioner can improve the reliability that first air outlet is sealed.

Description

Indoor unit of air conditioner

Technical Field

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

Background

In the related art, the air conditioner indoor unit is provided with a single air outlet, the air supply mode is single, the height of the air outlet is low, cold air is not comfortable when being blown to people during refrigeration operation, air in a room is not circulated, the temperature distribution is not uniform, and discomfort such as catching a cold by a user is easily caused. When the air conditioner with the function of no wind sensation is partially started, the temperature of a room rises due to insufficient refrigerating capacity, and a user needs to repeatedly adjust the air conditioner to keep the temperature of the room.

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, the utility model provides an indoor set of air conditioning, indoor set of air conditioning makes indoor temperature distribution even.

According to the utility model discloses machine in air conditioning, include: the air conditioner comprises a shell, a first air outlet and a second air outlet, wherein the shell is provided with the first air outlet; an opening and closing door assembly comprising: the switch door is arranged in the shell in a sliding mode along the circumferential direction of the shell so as to open or close at least part of the first air outlet; drive arrangement, drive arrangement is used for the drive the switch door is closing first air outlet position with open move between the first air outlet position, drive arrangement includes driving motor, gear and rack, the gear with driving motor's output shaft, the rack is located on the switch door, the rack with gear engagement is in order to drive the switch door slides, wherein, the switch door is opening first air outlet position is to closing include first removal route on the orbit of first air outlet position in the first removal route, the switch door with the interval of casing reduces gradually.

According to the utility model discloses machine in air conditioning, the switch door is opening first air outlet position and is including first removal route to the orbit of closing first air outlet position, through in first removal route, the interval of switch door and casing reduces gradually, can be so that the switch door when closing first air outlet, the switch door removes the certain distance towards the outside of first air outlet, reduces the clearance of switch door and first air outlet internal face, improves the reliability that first air outlet is sealed.

According to some embodiments of the invention, the switching door assembly further comprises: first direction subassembly, first direction subassembly include first guide and with first guide matched with second guide, the second guide is located on the switch door, first guide is located in the casing, wherein, the switch door is from closing first air outlet position is to opening on the direction of first air outlet position, first guide is including the first sub-guide part and the sub-guide part of second that connect gradually, first sub-guide part with the sub-guide part of second is the arc, first sub-guide part is located the radial outside of the circle at the sub-guide part place of second, and the sub-guide part of second extremely in the direction of first sub-guide part, first sub-guide part with the distance of the centre of a circle at the sub-guide part place of second increases gradually.

According to some embodiments of the invention, the first guide is formed as a first guide groove and the second guide is formed as a plurality of guide posts spaced apart along the extension direction of the switch door.

According to some embodiments of the invention, the switching door assembly further comprises: the second guide assembly comprises a third guide piece and a fourth guide piece matched with the third guide piece, the third guide piece is arranged on the rack, and the fourth guide piece is arranged in the shell.

According to some embodiments of the invention, the third guide is formed as a protrusion on the rack, and the fourth guide is formed as the second guide groove.

According to some embodiments of the invention, the rack with the switch door is connected through a crank piece, the rack with the rotatable connection of crank piece, the switch door with the rotatable connection of crank piece.

According to some embodiments of the utility model, the switch door subassembly is two, two the switch door subassembly is followed the circumference direction of casing is spaced apart, two the switch door closes jointly first air outlet.

According to some embodiments of the present invention, in the process of opening and closing the first air outlet, two the switch doors slide toward opposite directions.

According to the utility model discloses a some embodiments, machine still includes in the air conditioning: the air duct component is arranged in the shell, a first air duct is formed in the air duct component, the first air duct is communicated with the first air outlet, the driving motor is arranged on the air duct component, a gap capable of containing the switch door is formed between the air duct component and the shell, and the switch door can be slidably arranged in the gap.

According to some embodiments of the present invention, when the switch door is closed the first air outlet, the switch door has a front end and a rear end in its moving direction, the rear end is located at the rear side of the air-out area.

According to the utility model discloses a some embodiments, the internal face of switch door with clearance between the outer wall of the corresponding one end of first air-out passageway is D1, D1 satisfies: d1 is less than or equal to 8 mm.

According to the utility model discloses a some embodiments, being close to of first air-out passageway all be equipped with protruding muscle, two on the outer wall of both sides of the air-out end of first air-out passageway all be equipped with on the internal face of keeping away from one end each other of switch door and keep off the muscle, it is located to keep off the muscle one side of keeping away from the air-out district of protruding muscle.

According to some embodiments of the utility model, the internal face of switch door is equipped with the strengthening rib that extends along the air current flow direction.

According to some embodiments of the utility model, the strengthening rib with in the direction of the one end to the other end that the switch door is connected, the strengthening rib includes first section and second section, the thickness of second section is greater than the thickness of first section.

According to some embodiments of the invention, the thickness of the first section is H1, the H1 satisfies: h1 is more than or equal to 0.5mm and less than or equal to 1.5 mm.

According to some embodiments of the invention, the thickness of the second section is H2, the H2 satisfies: h2 is more than or equal to 1.5mm and less than or equal to 3 mm.

According to some embodiments of the utility model, the switch door includes a plurality of sub-switch doors of arranging along upper and lower direction.

According to some embodiments of the utility model, still be equipped with the second air outlet on the casing, first air outlet is located the top of second air outlet.

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 perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a front view of an indoor unit of an air conditioner according to an embodiment of the present invention;

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

fig. 4 is a plan view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 5 is a sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 6 is an exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 7 is an exploded view of another angle of the indoor unit of the air conditioner according to the embodiment of the present invention;

fig. 8 is a perspective view of a door opening and closing and a driving mechanism of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 9 is an enlarged view at A in FIG. 8;

fig. 10 is a partial structural schematic view of an air duct component of an air conditioning indoor unit according to an embodiment of the present invention;

fig. 11 is a front view of an indoor unit of an air conditioner according to an embodiment of the present invention, in which a left side opening and closing door opens a first air outlet;

fig. 12 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention, in which a left side opening and closing door opens a first air outlet;

fig. 13 is a front view of an indoor unit of an air conditioner according to an embodiment of the present invention, in which a right side opening and closing door opens a first air outlet;

fig. 14 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention, in which a right side opening and closing door opens a first air outlet;

fig. 15 is a front view of an indoor unit of an air conditioner according to an embodiment of the present invention, in which a left side opening and closing door and a right side opening and closing door open a first air outlet;

fig. 16 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention, in which a left side opening and closing door and a right side opening and closing door open a first air outlet;

fig. 17 is a perspective view of a right side opening and closing door and a driving mechanism of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 18 is a plan view of a right side opening/closing door and a driving mechanism of an indoor unit of an air conditioner according to an embodiment of the present invention.

Reference numerals:

an indoor unit 100 of an air conditioner is provided,

a shell 1, a first air outlet 11, a second air outlet 12 and an air inlet 13,

the opening and closing door 2, the guide post 31, the first fixing member 32, the reinforcing rib 33, the first section 331, the second section 332,

the air duct part 4, the first air outlet channel 41, the second air outlet channel 42, the rib 43, the guide structure 44, the second guide groove 45, the first guide groove 46, the first sub-guide groove 461, the second sub-guide groove 462,

a driving device 51, a driving motor 511, a gear 512, a rack 513, a second fixing member 5132,

a crank member 6 and a third switching gate 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

An air conditioning indoor unit 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings. The indoor unit 100 of the air conditioner may be a hook unit or a cabinet unit.

As shown in fig. 1 and 2, an air conditioning indoor unit 100 according to an embodiment of the present invention includes a casing 1 and a switching door assembly.

Specifically, as shown in fig. 1 and fig. 2, a first air outlet 11 is provided on the housing 1, specifically, as shown in fig. 2, the first air outlet 11 is provided at the top of the housing 1, and the first air outlet 11 extends along the circumferential direction of the housing 1.

As shown in fig. 2, 6-8, the opening and closing door assembly includes an opening and closing door 2 and a driving device. Specifically, as shown in fig. 2, the opening and closing door 2 is slidably provided in the housing 1 in the circumferential direction of the housing 1 to open or close at least a part of the first air outlet 11. The opening and at least partial closing of the first air outlet 11 can be realized by opening and closing the door 2, and at least partial first air outlet 11 can be opened or closed according to the requirements of users. Meanwhile, the door 2 can be opened and closed to guide the airflow.

As shown in fig. 6-8, the driving device 51 is used for driving the switch door 2 to move between a position for closing the first air outlet 11 and a position for opening the first air outlet 11, the driving device 51 includes a driving motor 511, a gear 512 and a rack 513, the gear 512 is connected to an output shaft of the driving motor 511, the rack 513 is disposed on the switch door 2, and the rack 513 is engaged with the gear 512 to drive the switch door 2 to slide. Therefore, the door 2 is driven to move through the meshing of the gear 512 and the rack 513, the structure of the driving device 51 can be simplified, and the door 2 is driven to move conveniently.

Alternatively, as shown in fig. 8, the rack 513 is located at the lower end of the opening and closing door 2. Therefore, the rack 513 is connected with the switch door 2 conveniently, the rack 513 is matched with the gear 512 conveniently, and the rack 513 can be prevented from blocking air outlet. Of course, the present invention is not limited thereto, and the rack 513 may be located at the upper end of the switch door 2.

The switch door 2 includes a first moving path on a track from a position where the first air outlet 11 is opened to a position where the first air outlet 11 is closed, and in the first moving path, a distance between the switch door 2 and the housing 1 is gradually reduced. Therefore, when the switch door 2 is used for closing the first air outlet 11, the switch door 2 moves a certain distance towards the outer side of the first air outlet 11, the gap between the switch door 2 and the inner wall surface of the first air outlet 11 is reduced, and the sealing reliability of the first air outlet 11 is improved.

According to the utility model discloses indoor unit of air conditioner 100, switch door 2 includes first removal route to the orbit of closing first air outlet 11 position opening first air outlet 11 position, through in first removal route, the interval of switch door 2 and casing 1 reduces gradually, can be so that switch door 2 when closing first air outlet 11, switch door 2 removes certain distance towards the outside of first air outlet 11, reduces the clearance of switch door 2 and 11 internal faces of first air outlet, improves the reliability that first air outlet 11 is sealed.

In some embodiments of the present invention, as shown in fig. 8, the switch door assembly further includes a first guiding assembly, the first guiding assembly includes a first guiding member and a second guiding member matched with the first guiding member, the second guiding member is disposed on the switch door 2, and the first guiding member is disposed in the housing 1. Therefore, the motion trail of the opening and closing door 2 can be limited by the cooperation of the first guide piece and the second guide piece, and the working reliability of the opening and closing door 2 is ensured.

As shown in fig. 17 and 18, in a direction from a position where the first air outlet 11 is closed to a position where the first air outlet 11 is opened by the opening and closing door 2, the first guide member includes a first sub-guide portion and a second sub-guide portion that are sequentially connected, the first sub-guide portion and the second sub-guide portion are both arc-shaped, the first sub-guide portion is located on a radial outer side of a circle where the second sub-guide portion is located, and in the direction from the second sub-guide portion to the first sub-guide portion, a distance between a circle center of the circle where the first sub-guide portion and the second sub-guide portion are located gradually increases. Therefore, when the switch door 2 is used for closing the first air outlet 11, the switch door 2 moves a certain distance towards the outer side of the first air outlet 11, the gap between the switch door 2 and the inner wall surface of the first air outlet 11 is reduced, and the sealing reliability of the first air outlet 11 is improved.

Alternatively, as shown in fig. 17 and 18, the first guide is formed as a first guide groove 46, and the second guide is formed as a plurality of guide posts 31 spaced apart in the extending direction of the opening and closing door 2. The structure of the first guide assembly can thereby be simplified. The first and second sub-guide portions are formed as first and second sub-guide grooves 461 and 462, respectively.

For example, as shown in fig. 8, at least one of the upper and lower ends of the opening and closing door 2 is provided with a plurality of spaced apart guide posts 31, and the housing 1 is provided with a first guide groove 46 engaged with the guide posts 31 of the opening and closing door 2. Therefore, the motion trail of the opening and closing door 2 can be limited by the cooperation of the guide column 31 and the first guide groove 46, and the reliability of the operation of the opening and closing door 2 is ensured.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Optionally, the rear end of the first guide groove 46, that is, the end of the first guide groove 46 far away from the center of the first air outlet 11 is blocked, so that the opening and closing door 2 can be limited, and the opening and closing door 2 is prevented from moving continuously towards the direction far away from the center of the first air inlet 13. In addition, the end of the first guide groove 46 far from the center of the first outlet 11 can also be used as the origin of the electronic control program identification and prevent the switch door 2 from falling out of the first guide groove 46.

In some embodiments of the present invention, as shown in fig. 8, the switching door assembly further includes a second guiding assembly, the second guiding assembly includes a third guiding member and a fourth guiding member matching with the third guiding member, the third guiding member is disposed on the rack, and the fourth guiding member is disposed in the housing 1. Therefore, the motion trail of the opening and closing door 2 can be limited by the cooperation of the third guide piece and the fourth guide piece, and the working reliability of the opening and closing door 2 is ensured.

Alternatively, as shown in fig. 8, the third guide is formed as a projection on the rack 513, and the fourth guide is formed as the second guide groove 45. The structure of the second guide assembly can thereby be simplified.

For example, as shown in fig. 8, each rack 513 is provided with a protrusion, the housing 1 is provided with a guiding structural member 44, and the guiding structural member 44 is provided with a second guiding groove 45 engaged with the protrusion. The guide structure member 44 is formed into a strip shape, the guide structure member 44 is arranged on the shell 1, the guide structure member 44 is provided with a second guide groove 45, the second guide groove 45 is formed into a strip-shaped groove on the guide structure member 44, each rack 513 is provided with a strip-shaped protrusion matched with the second guide groove 45, the strip-shaped protrusions are located in the strip-shaped grooves, and the second guide grooves 45 limit the motion trail of the strip-shaped protrusions, so that the motion trail of the opening and closing door 2 is limited.

Further, as shown in fig. 17, the rack 513 is connected to the opening/closing door 2 via the crank member 6, the rack 513 is rotatably connected to the crank member 6, and the opening/closing door 2 is rotatably connected to the crank member 6. Therefore, when the switch door 2 closes the first air outlet 11 and approaches the first air outlet 11 towards the outside, the rack 513 can be prevented from being hard-connected with the switch door 2 to affect the movement of the switch door 2.

Preferably, the switch door 2 is provided with a first fixing member 32, the rack 513 is provided with a second fixing member 5132, the first fixing member 32 is connected with the crank member 6 in a clamping manner and can rotate relatively, and the second fixing member 5132 is connected with the crank member 6 in a clamping manner and can rotate relatively. Further, the rack 513 is connected to the opening and closing door 2 by a plurality of crank members 6.

In some embodiments of the present invention, as shown in fig. 1 to 8, the number of the switch door assemblies is two, two switch door assemblies are spaced apart along the circumferential direction of the casing 1, the switch doors 2 are arranged along the circumferential direction of the casing 1, and the first air outlet 11 is closed by the two switch doors 2. The opening and closing of the first air outlet 11 can be realized through the two switch doors 2, and the first air outlet 11 can be opened or closed according to the requirements of users. Simultaneously, two switch doors 2 can also realize the guide effect to the air current.

In addition, the two switch doors 2 can be arranged to open only one switch door 2 or two switch doors 2 according to the needs of users. Thereby can adjust the air output and the air-out direction of first air outlet 11 to make indoor temperature distribution more even, and can be so that indoor temperature faster reaches user's settlement temperature, satisfy user's demand.

As shown in fig. 8, there are two driving devices 51, and the two driving devices 51 are respectively connected to the two opening/closing doors 2 to respectively drive the two opening/closing doors 2 to slide. Therefore, the two doors 2 can be independently controlled, and different requirements of users can be met. For example, as shown in fig. 11 and 12, only the left side opening and closing door 2 may be opened only by the driving device 51 connected to the left side opening and closing door 2, or as shown in fig. 13 and 14, only the right side opening and closing door 2 may be opened only by the driving device 51 connected to the right side opening and closing door 2, or as shown in fig. 15 and 16, the second side opening and closing door 2 may be opened by the driving device 51 connected to the left side opening and closing door 2, and the right side opening and closing door 2 may be opened by the driving device 51 connected to the right side opening and closing door 2. In addition, the opening angles of the two switch doors 2 can be controlled to control the size of the first air outlet 11, so that the air supply speed of the first air outlet 11 is adjusted, and the adjustment of the distance of air supply is realized.

Alternatively, as shown in fig. 4, the casing 1 is formed substantially in a cylindrical shape, that is, the air conditioning indoor unit 100 is a cylindrical indoor unit. Of course, the present invention is not limited thereto, and the housing 1 may be formed in an elliptic cylinder shape or other polygonal cylinder shapes.

Alternatively, the two opening and closing doors 2 slide in opposite directions during the opening and closing of the first outlet port 11. It can be understood that, two switch doors 2 can be arranged along the left-right direction when closing the first air outlet 11, when the first air outlet 11 needs to be opened, the switch door 2 located on the left side moves towards the left side, the switch door 2 located on the right side moves towards the right side, when closing the first air outlet 11, the switch door 2 located on the left side moves towards the right side, and the switch door 2 located on the right side moves towards the left side. Thereby facilitating control of the two opening and closing doors 2 and thus facilitating adjustment of the air blowing amount and air blowing direction of the first air outlet 11. In addition, the structure of the two opening and closing doors 2, the driving structure connected with the opening and closing doors and the guiding structure can be simplified.

In some embodiments of the present invention, as shown in fig. 5, the air conditioning indoor unit 100 further includes an air duct component 4, the air duct component 4 is disposed in the casing 1, the air duct component 4 is formed with a first air outlet channel 41, the first air outlet channel 41 is communicated with the first air outlet 11, the driving motor 511 is disposed on the air duct component 4, a gap capable of accommodating the switch door 2 is formed between the air duct component 4 and the casing 1, and the switch door 2 is slidably disposed in the gap. Thereby facilitating installation and sliding of the switching door 2.

Wherein, the internal face of two switch doors 2 and the internal face of first air-out passageway 41 match the setting, and the smooth transition connection is realized with the air-out district of the air-out end of first air-out passageway 41 to the internal face of two switch doors 2.

In some embodiments of the present invention, when the switch door 2 closes the first air outlet 11, the switch door 2 has a front end and a rear end in the moving direction thereof, and the rear end is located at the rear side of the air outlet area. The air outlet region refers to an area of an air outlet end of the first air outlet channel 41. From this can guarantee that switch door 2 can be fine closes first air outlet 11, avoid having the clearance between the rear end of switch door 2 and the one end that is close to corresponding switch door 2 of the air-out end of first air-out passageway 41, can reduce the amount of wind that the wind that first air outlet 11 blew out backward in this clearance in addition, improve the phenomenon that produces the condensation on switch door 2 and the casing 1.

Further, a gap between the inner wall surface of the opening/closing door 2 and the outer wall surface of the corresponding one end of the first air outlet duct 41 is D1, and D1 satisfies: d1 is less than or equal to 8 mm. It can be understood that, a gap between the inner wall surface of the switch door 2 and the outer wall surface of the end of the first air outlet channel 41 close to the switch door 2 is D1, and D1 satisfies: d1 is less than or equal to 8 mm. Wherein D1 can be 1mm, 2mm, 3mm, 4mm, 5mm, 6mm or 7 mm. Therefore, the risk of condensation caused by the wind of the first air outlet 11 entering the rear side of the air outlet area instead of being sent out from the first air outlet 11 can be prevented.

Optionally, as shown in fig. 6 and 10, the outer wall surfaces of both sides of the first air outlet channel 41 near the air outlet end of the first air outlet channel 41 are provided with a protruding rib 43, so that a gap between the switch door 2 and the outer wall surface of the end of the first air outlet channel 41 near the switch door 2 is reduced. Wherein, the distance between the surface of the convex rib 43 close to the switch door 2 and the inner wall surface of the switch door 2 can be D1, and D1 satisfies: d1 is less than or equal to 8 mm. Therefore, the risk of condensation caused by the wind of the first air outlet 11 entering the rear side of the air outlet area instead of being sent out from the first air outlet 11 can be prevented.

Further, the inner wall surfaces of the ends, far away from each other, of the two switch doors 2 are provided with blocking ribs, and the blocking ribs are located on one side, far away from the air outlet area, of the convex ribs 43. When the first air outlet 11 is closed by the second door 2, after the second door 2 moves forward for a certain distance, the blocking rib can abut against one side of the air outlet area of the convex rib 43, which is far away from the air outlet end of the first air outlet channel 41, so that the second door 2 is limited, and the second door 2 is prevented from moving forward all the time.

In some embodiments of the present invention, the inner wall surface of the switch door 2 is provided with a reinforcing rib 33 extending in the airflow flowing direction. It will be appreciated that the ribs 33 extend in the direction of movement of the switching door 2. Therefore, the effect of enhancing the structural strength of the switch door 2 can be achieved, the airflow can be guided, the wind direction can be adjusted, and the air pressure and wind volume loss caused by sudden change of the cross section on the airflow flow path can be avoided.

Further, as shown in fig. 8 and 9, the reinforcing rib 33 includes a first section 331 and a second section 332 in a direction from one end of the reinforcing rib 33 connected to the opening and closing door 2 to the other end, and the thickness of the second section 332 is greater than that of the first section 331. Thereby preventing the shrinkage marks on the outer surface of the opening and closing door 2 during the machining process.

Optionally, the thickness of the first section 331 is H1, and H1 satisfies: h1 is more than or equal to 0.5mm and less than or equal to 1.5 mm. Wherein, H1 can be 0.7mm, 0.9mm, 1.1mm, 1.3mm or 1.4mm, etc. Thus, shrinkage marks on the outer surface of the opening and closing door 2 during machining can be avoided.

Optionally, the second segment 332 has a thickness H2, H2 satisfies: h2 is more than or equal to 1.5mm and less than or equal to 3 mm. Wherein H2 may be 1.7mm, 1.9mm, 2.1mm, 2.3mm, 2.5mm, 2.7mm or 2.9 mm. The structural strength of the door 2 can thereby be ensured.

The utility model discloses an in some embodiments, switch door 2 includes a plurality of sub-switch doors of arranging along upper and lower direction, and wherein a plurality of sub-switch doors can unified control or independent control to can adjust the air supply volume and the air supply direction of first air outlet 11, satisfy user's different demands.

In some embodiments of the present invention, the housing 1 is further provided with a second air outlet 12, the first air outlet 11 is located above the second air outlet 12, and the second air outlet 12 extends along the vertical direction. As shown in fig. 3, the housing 1 is further provided with an air inlet 13, the air inlet 13 is substantially opposite to the second air outlet 12, and the air inlet 13 extends in the vertical direction. The two outlets, i.e., the first outlet 11 and the second outlet 12, can increase the air output of the indoor unit 100.

The second outlet 12 may also be provided with a third switch door 7, and the third switch door 7 is movably disposed in the casing 1 to open or close the second outlet 12. In addition, the second air outlet 12 is provided with an air deflector to adjust the air supply direction, and the air deflector can be provided with micropores, so that when the second air outlet 12 is closed by the air deflector, air can be blown out through the micropores on the air deflector to scatter the air, so that the indoor unit 100 of the air conditioner is free of wind feeling, a user is prevented from being directly blown by cold air or hot air, and the comfort of the user is improved.

When the air conditioning indoor unit 100 is in the cooling or heating mode, in order to prevent the air blown from the second outlet 12 from directly blowing to the user, the second outlet 12 may be adjusted to the non-wind-sensation mode, and in order to ensure the output of the cooling capacity and the heat capacity, the first outlet 11 may be opened, so that the indoor temperature quickly reaches the temperature required by the user. Especially, when the indoor unit 100 of the air conditioner is in the cooling mode, the second air outlet 12 is opened, cold air is not blown to people, air in a room is not circulated, temperature distribution is not uniform, and discomfort such as catching a cold by a user is easily caused. If the second air outlet 12 is adjusted to be in the no-wind-sensation mode, the room temperature rises due to insufficient refrigerating capacity, the user needs to repeatedly adjust the room temperature to keep the room temperature, the first air outlet 11 is opened, cold air can slowly fall, the indoor temperature distribution is more uniform, the output of cold energy can be increased, the indoor temperature can reach the set temperature of the user more quickly, the comfort of refrigerating operation of the indoor unit 100 of the air conditioner is improved, and the refrigerating capacity of the machine in the no-wind-sensation mode is improved.

As shown in fig. 5, the indoor unit 100 of the air conditioner further includes an air duct component 4, the air duct component 4 is disposed in the casing 1, the air duct component 4 is formed with a first air outlet channel 41 and a second air outlet channel 42, the first air outlet channel 41 is communicated with the first air outlet 11, the second air outlet channel 42 is communicated with the second air outlet 12, and the switch door 2 is slidably disposed on the air duct component 4. Thereby facilitating installation of the switching door 2. The first air outlet channel 41 is communicated with the second air outlet channel 42, and both the first air outlet channel 41 and the second air outlet channel 42 are communicated with the air inlet 13.

In some embodiments of the present invention, as shown in fig. 5, a first wind wheel is disposed in the first wind outlet channel 41, a second wind wheel is disposed in the second wind outlet channel 42, the first wind wheel can drive the airflow to move towards the first air outlet 11, and the second wind wheel can drive the airflow to move towards the second air outlet 12. The first wind wheel and the second wind wheel have the functions of driving and dredging the flow of the airflow. For example, in some examples of the present invention, the first wind wheel is an axial flow wind wheel, the rotation axis of the first wind wheel is perpendicular to the central axis of the first air outlet 11, the second wind wheel is a cross flow wind wheel, and the rotation axis of the second wind wheel is parallel to the rotation axis of the first wind wheel. Specifically, the rotation axis of the first wind wheel and the rotation axis of the second wind wheel are located on the same straight line.

Certainly the utility model discloses be not limited to this, there is the contained angle in the axis of rotation of second wind wheel and the axis of rotation of first wind wheel. For example, in some examples of the present invention, the angle between the axis of rotation of the second wind wheel and the axis of rotation of the first wind wheel is 45 degrees.

In some embodiments of the present invention, the indoor unit 100 of an air conditioner further includes: the wind wheel device comprises a first motor and a second motor, wherein the first motor is provided with a first output shaft, a first wind wheel is sleeved on the first output shaft, the second motor is provided with a second output shaft, and a second wind wheel is sleeved on the second output shaft. Therefore, the first wind wheel and the second wind wheel can independently rotate through the first motor and the second motor. Specifically, the user may select to activate at least one of the first motor and the second motor as desired. Therefore, multiple working modes can be provided for the user, and the requirements of the user can be better met.

In other embodiments of the present invention, the indoor unit 100 of the air conditioner includes a third motor, the third motor is a dual-shaft motor, the two ends of the third motor are respectively provided with a third output shaft and a fourth output shaft, the first wind wheel sleeve is disposed on the third output shaft, and the second wind wheel sleeve is disposed on the fourth output shaft. The first wind wheel and the second wind wheel can be rotated only by arranging one third motor, so that the occupied space can be reduced, and the compactness of the indoor unit 100 of the air conditioner is improved. Specifically, the third output shaft and the fourth output shaft may rotate synchronously or independently.

In other embodiments of the present invention, the indoor unit 100 of the air conditioner includes a fourth motor, the fourth motor has a fifth output shaft, the second wind wheel is disposed on the fifth output shaft, and is fixedly connected to the fifth output shaft, and the first wind wheel is disposed at one end of the fifth output shaft. It can be understood that the fourth motor is located on the same side of the first wind wheel and the second wind wheel, and the synchronous rotation of the first wind wheel and the second wind wheel can be realized by arranging the fourth motor. Therefore, the complexity of the structure of the fourth motor can be simplified, and the manufacturing cost of the fourth motor is reduced.

Further, a bearing is arranged on the fifth output shaft in a penetrating mode and located between the first wind wheel and the second wind wheel. From this, can avoid the fifth output shaft to appear rocking driving first wind wheel and second wind wheel pivoted process to can promote first wind wheel and second wind wheel pivoted stability.

In some embodiments of the present invention, the air conditioning indoor unit 100 includes a fifth motor, the fifth motor has a sixth output shaft, the first wind wheel is fixedly connected to the second wind wheel, and the first wind wheel and the second wind wheel are sleeved on the sixth output shaft. Specifically, the first wind wheel and the second wind wheel are connected by a fastener.

In some embodiments of the present invention, a PTC component is disposed in the second air outlet channel 42, wherein the PTC component is a Positive Temperature Coefficient thermistor. Therefore, when the heating capacity of the air-conditioning indoor unit 100 is insufficient, the PTC component can be started to generate more heat, so that the heating effect of the air-conditioning indoor unit 100 can be improved, and the user needs can be better met.

The air-conditioning indoor unit 100 further comprises an outer box bottom plate component, a filter screen assembly is mounted on the outer box bottom plate, a heat exchanger component is mounted in the outer box bottom plate component, a water receiving disc is arranged at the bottom of the heat exchanger component and used for collecting condensed water and discharging the condensed water, and an air inlet 13 is formed in the outer box bottom plate component corresponding to the position of the evaporator; the front of the heat exchanger component is provided with an air duct component which is provided with an upper group of fans and a lower group of fans; the panel component is arranged in front of the machine and is provided with a second air outlet 112, a lower air duct, an air guide mechanism and a door opening and closing component, wherein the second air outlet corresponds to the lower fan component; the top cover part is provided with a first air outlet 11 corresponding to the upper fan assembly, an upper switch door and a switch door driving mechanism.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled 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. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 (18)

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

the air conditioner comprises a shell, a first air outlet and a second air outlet, wherein the shell is provided with the first air outlet;

an opening and closing door assembly comprising:

the switch door is arranged in the shell in a sliding mode along the circumferential direction of the shell so as to open or close at least part of the first air outlet;

the driving device is used for driving the switch door to move between a position for closing the first air outlet and a position for opening the first air outlet, the driving device comprises a driving motor, a gear and a rack, the gear is connected with an output shaft of the driving motor, the rack is arranged on the switch door, the rack is meshed with the gear to drive the switch door to slide,

the switch door comprises a first moving path on a track from the first air outlet opening position to the first air outlet closing position, and the distance between the switch door and the shell is gradually reduced in the first moving path.

2. The indoor unit of claim 1, wherein the switching door assembly further comprises:

the first guide assembly comprises a first guide part and a second guide part matched with the first guide part, the second guide part is arranged on the switch door, the first guide part is arranged in the shell,

the switch door is self-closing the first air outlet position is opened on the direction of first air outlet position, first guide is including first sub-guide part and the sub-guide part of second that connects gradually, first sub-guide part with the sub-guide part of second is the arc, first sub-guide part is located the radial outside of the circle that the sub-guide part of second place, and the sub-guide part of second extremely in the direction of first sub-guide part, first sub-guide part with the distance of the centre of a circle that the sub-guide part of second place increases gradually.

3. An indoor unit of an air conditioner according to claim 2, wherein the first guide member is formed as a first guide groove, and the second guide member is formed as a plurality of guide posts spaced apart in an extending direction of the opening and closing door.

4. The indoor unit of claim 2, wherein the switching door assembly further comprises:

the second guide assembly comprises a third guide piece and a fourth guide piece matched with the third guide piece, the third guide piece is arranged on the rack, and the fourth guide piece is arranged in the shell.

5. An indoor unit of an air conditioner according to claim 4, wherein the third guide is formed as a projection on the rack, and the fourth guide is formed as a second guide groove.

6. An indoor unit of an air conditioner according to claim 4, wherein the rack is connected to the opening and closing door through a crank member, the rack is rotatably connected to the crank member, and the opening and closing door is rotatably connected to the crank member.

7. An air conditioning indoor unit according to any one of claims 1 to 6, wherein the opening/closing door assembly is two, the two opening/closing door assemblies are spaced apart in the circumferential direction of the casing, and the two opening/closing doors together close the first air outlet.

8. An indoor unit of an air conditioner according to claim 7, wherein the two opening and closing doors slide in opposite directions during opening and closing of the first outlet port.

9. An indoor unit of an air conditioner according to claim 7, further comprising:

the air duct component is arranged in the shell, a first air outlet channel is formed in the air duct component, the first air outlet channel is communicated with the first air outlet, the driving motor is arranged on the air duct component, a gap capable of containing the switch door is formed between the air duct component and the shell, and the switch door can be slidably arranged in the gap.

10. An indoor unit of an air conditioner according to claim 7, wherein the opening/closing door has a front end and a rear end in a moving direction thereof when the opening/closing door closes the first outlet, the rear end being located at a rear side of the outlet section.

11. An indoor unit of an air conditioner according to claim 9, wherein a gap between an inner wall surface of the opening/closing door and an outer wall surface of the corresponding one end of the first outlet air passage is D1, and D1 satisfies: d1 is less than or equal to 8 mm.

12. An indoor unit of an air conditioner according to claim 11, wherein the outer wall surfaces of both sides of the first outlet channel near the outlet end of the first outlet channel are provided with ribs, and the inner wall surfaces of the ends of the two open/close doors far from each other are provided with blocking ribs, and the blocking ribs are located on one side of the ribs far from the outlet area.

13. An indoor unit of an air conditioner according to claim 1, wherein the inner wall surface of the opening/closing door is provided with a reinforcing rib extending in the airflow flowing direction.

14. An indoor unit of an air conditioner according to claim 13, wherein the reinforcing rib includes a first section and a second section in a direction from one end of the reinforcing rib connected to the opening and closing door to the other end thereof, and a thickness of the second section is larger than a thickness of the first section.

15. An indoor unit of an air conditioner according to claim 14, wherein the thickness of the first section is H1, and H1 satisfies: h1 is more than or equal to 0.5mm and less than or equal to 1.5 mm.

16. An indoor unit of an air conditioner according to claim 14, wherein the thickness of the second section is H2, and H2 satisfies: h2 is more than or equal to 1.5mm and less than or equal to 3 mm.

17. An indoor unit of an air conditioner according to claim 1, wherein the opening/closing door includes a plurality of sub-opening/closing doors arranged in an up-down direction.

18. An indoor unit of an air conditioner as claimed in claim 1, wherein a second air outlet is further provided in the casing, and the first air outlet is located above the second air outlet.

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