CN216744605U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model provides an indoor unit of an air conditioner, which comprises a shell extending along the horizontal transverse direction, wherein the shell is provided with a heat exchange air outlet for discharging heat exchange air flow and a plurality of fresh air outlets; the indoor unit of the air conditioner is configured to introduce outdoor fresh air flow and discharge the fresh air flow to an indoor space through one or more fresh air outlets; and the plurality of fresh air outlets comprise a first fresh air outlet, and the first fresh air outlet and the heat exchange air outlet are sequentially arranged along the horizontal transverse direction. A plurality of fresh air outlets can be simultaneously used for discharging air, so that fresh air flow discharged from the casing is smoother, wind power is stronger, noise is lower, energy is saved, fresh air quantity of the indoor unit of the air conditioner is larger, and the updating speed of indoor air is accelerated. The first fresh air outlet is arranged on the outer side of one end of the heat exchange air outlet, so that the fresh air supply distance is longer, and the fresh air can reach the position of a human body more easily.

Description

Indoor unit of air conditioner

Technical Field

The utility model relates to the technical field of air conditioning, in particular to an indoor unit of an air conditioner.

Background

Some existing air conditioners have a fresh air function. Namely, the outdoor fresh air is introduced into the indoor unit of the air conditioner by utilizing the pipeline, and then the fresh air flow is blown to the indoor space under the action of the fan, so that the indoor air is kept fresh and comfortable, and the comfortable experience of a user is improved. The new trend function of current air conditioner is mostly single export, and the air-out direction is single. Specifically, the conventional air conditioner adopts a single-outlet fresh air fan at one end of the air conditioner, and the air inlet adopts a hose leading to the outside to introduce fresh air. The indoor outlet of the fresh air fan is directly blown into the room to be mixed with the indoor air. Because the volume of the air conditioner is limited, the fresh air quantity cannot be increased by increasing the size of the fresh air fan, so that the fresh air quantity of the air conditioner is insufficient, and better user experience cannot be provided. That is to say, the traditional air conditioner has a unique fresh air outlet, cannot reach larger air volume under the condition of limited volume, has insufficient fresh air volume and slow fresh air updating speed. In order to increase the air quantity, the rotating speed of the fan needs to be increased, so that the rotating speed of the fan is high, the power consumption is high, and the noise is high; and the fresh air inlet has a unique outlet and large air outlet resistance, so that large air volume air supply can not be realized.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide an air conditioning indoor unit that overcomes or at least partially solves the above mentioned problems, in order to speed up the refresh rate of fresh air.

The utility model provides an air conditioner indoor unit, which comprises a casing extending along the horizontal transverse direction, wherein the casing is provided with a heat exchange air outlet for discharging heat exchange air flow and a plurality of fresh air outlets; the indoor unit of the air conditioner is configured to introduce outdoor fresh air flow and discharge the fresh air flow to an indoor space through one or more fresh air outlets; and the fresh air outlets comprise first fresh air outlets, and the first fresh air outlets and the heat exchange air outlets are sequentially arranged along the horizontal transverse direction.

Optionally, the heat exchange air outlet is opened at the bottom of the front side of the casing and extends along the horizontal direction.

Optionally, the indoor unit of the air conditioner further comprises an air deflector;

the air deflector is arranged at the heat exchange air outlet, and covers the heat exchange air outlet and the first fresh air outlet when the air deflector is in a closed state.

Optionally, the casing comprises a casing having two false air duct portions arranged at intervals in a horizontal transverse direction; the heat exchange air outlet is arranged on the housing and is positioned between the two false air channel parts; the first fresh air outlet is arranged on one of the false air channels.

Optionally, a plurality of fresh air outlets include and set up in the preceding second fresh air outlet of casing, second fresh air outlet sets up and is closing on the upper corner position of the horizontal terminal surface of casing.

Optionally, the second fresh air outlet is located above the first fresh air outlet, and

the first fresh air outlet is closer to the transverse end face of the casing than the second fresh air outlet, or the distance between the first fresh air outlet and the transverse end face of the casing is equal to the distance between the second fresh air outlet and the transverse end face of the casing.

Optionally, the first fresh air outlet is formed by arranging and combining a plurality of micropores, or a transverse rib and/or a vertical rib are arranged in the first fresh air outlet so as to divide the first fresh air outlet into a plurality of air outlet areas;

the second fresh air outlet is formed by arranging and combining a plurality of micropores, or transverse ribs and/or vertical ribs are arranged in the second fresh air outlet so as to divide the second fresh air outlet into a plurality of air outlet areas.

Optionally, machine in air conditioning still includes the new trend fan for make the new trend air current flow, it installs inside the casing, the new trend fan includes the shell, the shell is seted up and is used for inhaling new trend air current's new trend import and is used for discharging a plurality of new trend exports of new trend air current, every new trend exit linkage is one the new trend air outlet.

Optionally, the fresh air fan is arranged at one end of the interior of the casing in the length direction;

the shell comprises a volute and a purification shell, and the volute and the purification shell are both flat in the thickness direction parallel to the length direction of the machine shell, are attached and connected, and are communicated with each other in the inner space;

the volute is internally provided with an impeller of the fresh air fan, and the fresh air outlets are arranged on the volute; and is

The purification shell is provided with the fresh air inlet, and a purification module is arranged in the purification shell, so that fresh air sucked from the fresh air inlet flows to the impeller after being purified by the purification module.

Optionally, the casing is provided with a heat exchange air inlet for sucking indoor air;

the plurality of fresh air outlets comprise a third fresh air outlet arranged on the top surface of the shell;

the third fresh air outlet is arranged between the heat exchange air inlet and the transverse end face of the casing.

In the air-conditioning indoor unit, the casing is provided with the plurality of fresh air outlets, and the plurality of fresh air outlets can simultaneously discharge air, so that fresh air flow of the casing can be discharged more smoothly, the wind power is stronger, the fresh air volume of the air-conditioning indoor unit is larger, and the indoor air updating speed is accelerated. In addition, the air outlet resistance of each fresh air outlet is reduced due to the increase of the number of the fresh air outlets. Because a plurality of fresh air outlets are arranged, each fresh air outlet can be designed to be smaller, so that the fresh air outlets are concentrated on one transverse side of the shell, and the influence of the fresh air outlets on the normal layout of the heat exchange air inlet, the heat exchange air outlet, the evaporator and the heat exchange fan is reduced. Correspondingly, the new trend fan also has a plurality of new trend exports, and under equal amount of wind, the increase of new trend export will reduce the rotational speed of new trend fan yet to make its consumption and noise all can be lower. Especially, set up first fresh air outlet in the one end outside of heat transfer air outlet to make the new trend air supply distance farther, it more easily reachs human position to change, perhaps makes the new air-out of new trend of first fresh air outlet more disperse through setting up the structure, is attracted by the heat transfer air-out of air conditioner easily, with the better mixing of the heat transfer air-out of air conditioner, air supply along with the heat transfer air-out of air conditioner, air supply distance is farther, and circulation speed is faster.

Furthermore, the indoor unit of the air conditioner further comprises a second fresh air outlet or a third fresh air outlet, and fresh air flow is blown out in different directions by arranging the fresh air outlets on different surfaces of the casing, so that air flow in different areas can be updated simultaneously, the indoor air updating speed is increased, and a user can fully feel the existence of fresh air.

Furthermore, in the indoor unit of the air conditioner, the second fresh air outlet is arranged in front of the shell, so that the fresh air supply distance is longer, and the indoor unit of the air conditioner can reach the position of a human body more easily. Or through setting up the structure for the new trend air-out is more dispersed, and the new trend air-out of second new trend air outlet is changeed and is inhaled by the main part air inlet of air conditioner, thereby the better mixing of new trend and air conditioner wind, and the air supply distance is farther, and circulation speed is faster.

Furthermore, in the indoor unit of the air conditioner, the first fresh air outlet is arranged on the false air channel, so that the air deflector can guide the fresh air outlet of the first fresh air outlet, and the fresh air can easily flow along with the heat exchange outlet air or be mixed with the heat exchange fresh air. The shielding effect of the air deflector can also make the indoor unit of the air conditioner more beautiful.

Furthermore, in the air-conditioning indoor unit, the special fresh air fan is used for conveying fresh air flow, so that the fresh air function is more independent, when the air is only needed to be updated indoors without refrigeration or heating, only the fresh air fan needs to be started, and a compressor and a heat exchange fan do not need to be started, so that the energy consumption is reduced. The shell of the fresh air fan comprises a volute and a purification shell, an impeller is arranged in the volute, and a purification module is arranged in the purification shell, so that fresh air flow is purified by the purification module firstly, then flows to the impeller, and then is blown out of the volute by the impeller, and the fresh air flow is cleaner. In addition, the volute and the purification shell are flat, the fresh air outlets are arranged at different positions of the volute in the circumferential direction, and the fresh air inlets are arranged on the circumferential surface of the purification shell, so that the layout is more reasonable and compact, and the whole fresh air fan occupies a smaller space.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily to scale. In the drawings:

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

fig. 2 is a schematic structural view of a partial structure of the indoor unit of the air conditioner shown in fig. 1;

fig. 3 is a schematic cross-sectional view of an air conditioning indoor unit of the air conditioning indoor unit shown in fig. 1;

fig. 4 is a schematic structural diagram of a fresh air fan in an indoor unit of an air conditioner according to an embodiment of the present invention;

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

fig. 6 is a schematic structural view of a partial structure of the indoor unit of the air conditioner shown in fig. 5;

fig. 7 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present invention.

Detailed Description

An air conditioning indoor unit according to an embodiment of the present invention will be described with reference to fig. 1 to 7. In the description of the present embodiments, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature, i.e., one or more such features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. When a feature "comprises or comprises" a or some of its intended features, this indicates that other features are not excluded and that other features may be further included, unless expressly stated otherwise.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and "coupled" and the like are to be construed broadly and can, for example, be fixedly connected or detachably connected or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. Those skilled in the art should understand the specific meaning of the above terms in the present invention according to specific situations.

Further, in the description of the present embodiment, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature therebetween. That is, in the description of the present embodiment, the first feature being "on", "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is higher in level than the second feature. A first feature "under," "beneath," or "beneath" a second feature may be directly under or obliquely under the first feature, or simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiments, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means 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 utility model. 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.

The embodiment of the utility model provides an air conditioner indoor unit. The indoor unit of the air conditioner is used for conditioning indoor air, such as cooling, heating, dehumidifying, introducing fresh air, and the like. The fresh air flow is introduced from the external environment by the indoor unit of the air conditioner and blown into the indoor space to update the air of the indoor space, so that the air of the indoor space is kept fresh, and the human health is facilitated.

Fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention; fig. 2 is a schematic structural view of a partial structure of the indoor unit of the air conditioner shown in fig. 1; fig. 3 is a schematic cross-sectional view of an air conditioning indoor unit of the air conditioning indoor unit shown in fig. 1; fig. 4 is a schematic structural view of a fresh air fan in an indoor unit of an air conditioner according to an embodiment of the present invention.

As shown in fig. 1 to 3, an indoor unit of an air conditioner according to an embodiment of the present invention is a wall-mounted type, and may generally include a cabinet 10. The casing 10 is a long strip extending in the horizontal transverse direction, and is hung on an indoor wall, and the length direction of the casing 10 is shown in the x-axis direction in the figure. The cabinet 10 defines a receiving space for receiving various parts of the indoor unit of the air conditioner, including an evaporator, a heat exchange fan, etc. The casing 10 is provided with a heat exchange air inlet 11 for sucking indoor air and a heat exchange air outlet 12 for discharging heat exchange air flow.

The indoor unit of the air conditioner may be an indoor part of a split-type room air conditioner that performs cooling/heating using a vapor compression refrigeration cycle system. An evaporator, a heat exchange fan and a throttling device are arranged in the indoor unit of the air conditioner. The evaporator, the heat exchange fan and the throttling device are connected with a compressor, a condenser and other refrigeration elements arranged in an air-conditioning outdoor shell through pipelines to form a vapor compression refrigeration cycle system. Under the action of the heat exchange fan, indoor air enters the interior of a shell 10 of the indoor unit of the air conditioner through a heat exchange air inlet 11, forms heat exchange air after being subjected to forced convection heat exchange with an evaporator, then blows the heat exchange air to a heat exchange air outlet 12 of the shell 10, and finally blows the heat exchange air to an indoor space, so that the air conditioning process of the indoor space is completed.

In particular, in the indoor unit of an air conditioner according to the embodiment of the present invention, the casing 10 is further provided with a plurality of fresh air outlets. The number of the fresh air outlets can be two, three, four or more. For example, in the embodiment shown in fig. 1 to 6, the number of the fresh air outlets is two, which are the first fresh air outlet 13 and the second fresh air outlet 14. For example, in the embodiment shown in fig. 7, the number of the fresh air outlets is three, which are the first fresh air outlet 13, the second fresh air outlet 14 and the third fresh air outlet 15. The indoor unit of the air conditioner is also configured to introduce an outdoor fresh air stream and discharge the fresh air stream to the indoor space through one or more fresh air outlets. Namely, the indoor unit of the air conditioner can selectively start part of the fresh air outlets and stop part of the fresh air outlets according to the indoor fresh air requirement. In some preferred embodiments of the present invention, as shown in fig. 1, the indoor unit of the air conditioner introduces the outdoor fresh air flow and simultaneously discharges the fresh air flow to the indoor space through the plurality of fresh air outlets.

In the air-conditioning indoor unit of the embodiment of the utility model, the casing 10 is provided with the plurality of fresh air outlets, and the plurality of fresh air outlets can simultaneously discharge air, so that fresh air flow of the casing 10 is discharged more smoothly, wind power is stronger, fresh air volume of the air-conditioning indoor unit is larger, and the indoor air updating speed is accelerated. In addition, the air outlet resistance of each fresh air outlet is reduced due to the increase of the number of the fresh air outlets. Because of the arrangement of the plurality of fresh air outlets, each fresh air outlet can be designed to be smaller, so that the fresh air outlets are concentrated on one transverse side of the casing 10, and the influence of the fresh air outlets on the normal layout of the heat exchange air inlet 11, the heat exchange air outlet 12, the evaporator and the heat exchange fan is reduced.

The fresh air outlets include a first fresh air outlet 13, and the first fresh air outlet 13 and the heat exchange outlet 12 are sequentially arranged along a horizontal direction. That is, the first fresh air outlet 13 is disposed outside one end of the heat exchanging outlet 12. By the arrangement, the air supply of the first fresh air outlet 13 is approximate to that of the heat exchange air outlet 12, even the air supply is consistent, the fresh air supply distance is longer, and the fresh air can reach the position of a human body more easily. Optionally, the new air outlet of the first new air outlet 13 can be more diverged by the arrangement of the structure, and is easily attracted by the heat exchange air outlet of the air conditioner, so that the new air outlet is better mixed with the heat exchange air outlet of the air conditioner, the air is supplied along with the heat exchange air outlet of the air conditioner, the air supply distance is farther, and the circulation speed is faster.

In some embodiments, as shown in fig. 1 and fig. 2, the heat exchanging air outlet 12 may be opened at the bottom of the front side of the casing 10 and extend along a horizontal transverse direction. The indoor unit of an air conditioner further includes an air guide plate 20. The air deflector 20 is installed at the heat exchange air outlet 12, and when the air deflector 20 is in a closed state, the air deflector covers the heat exchange air outlet 12 and the first fresh air outlet 13. The air deflector 20 can guide the fresh air outlet of the first fresh air outlet 13, so that the fresh air can flow along with the heat exchange outlet air or be mixed with the heat exchange fresh air. The shielding effect of the air deflector 20 can also make the air conditioner indoor unit more beautiful.

For example, as shown in fig. 2 and 6, the cabinet 10 includes a housing, a framework, a grill, two end caps, and a front panel 18. The housing is installed in the skeleton, and evaporimeter and fan are installed between housing and skeleton, and the air-inlet grille sets up in the upper end of housing and skeleton, and front panel 18 is installed in the front side of housing, and two end covers are installed in the both ends of housing, skeleton, air-inlet grille and front panel 18. Further, the housing has two false air duct portions 16 arranged at intervals in the horizontal transverse direction; the heat exchange air outlet 12 is disposed on the housing, and the heat exchange air outlet 12 is located between the two false air duct portions 16. That is, the heat exchanging air outlet 12 is opened on the housing, and the structure of the two lateral sides of the heat exchanging air outlet 12 can be referred to as a false air duct portion 16. The first fresh air outlet 13 is arranged on a false air duct, so that the structure of the air-conditioning indoor unit is compact, the design is convenient, the structure of the existing air-conditioning indoor unit can be fully utilized, the cost is reduced, and the like.

In some embodiments, as shown in fig. 1 to fig. 3, the fresh air outlets may further include a second fresh air outlet 14 opened in the front of the casing 10. The second fresh air outlet 14 can be arranged at the upper corner of the transverse end face close to the casing 10, so that the height of the second fresh air outlet is higher, and the air supply distance is farther after fresh air flows out. The front of the enclosure 10 is generally referred to as the front surface of the front panel 18. And a mounting hole 19 is formed in the corresponding housing and used for mounting a fresh air pipeline.

Set up the new trend air outlet through the different surfaces at casing 10 for the new trend air current blows off towards the different directions, updates the air current in different regions simultaneously, accelerates indoor air update rate, makes the user fully feel the existence of new trend.

Preferably, the second fresh air outlet 14 is disposed in front of the casing 10, so that the fresh air supply distance is further, and the fresh air can reach the position of the human body more easily. Or through setting up the structure for the new trend air-out is more dispersed, and the new trend air-out of second new trend air outlet 14 is changeed and is inhaled by the main part air inlet of air conditioner, thereby the better mixing of new trend and air conditioner wind, and the air supply distance is farther, and circulation speed is faster. That is, in this embodiment, the first fresh air outlet 13 and the second fresh air outlet 14 can both supply air forwards for a long distance, or the air is diffused and mixed with the air in the main air duct of the indoor unit of the air conditioner, so that the air supply of the indoor unit of the air conditioner is more excellent.

The second fresh air outlet 14 and the first fresh air outlet 13 may be located on the same side of the heat exchange outlet 12. The second fresh air outlet 14 is located above the first fresh air outlet 13, and the first fresh air outlet 13 is closer to the transverse end face of the casing 10 than the second fresh air outlet 14, or the distance between the first fresh air outlet 13 and the transverse end face of the casing 10 is equal to the distance between the second fresh air outlet 14 and the transverse end face of the casing 10, so that the structural layout is more reasonable.

In some embodiments, as shown in fig. 2 and fig. 6, the first fresh air outlet 13 is formed by arranging and combining a plurality of micro-holes, so as to disperse the fresh air. In other embodiments, as shown in fig. 1 and 5, the first fresh air outlet 13 is provided with horizontal ribs and/or vertical ribs to divide the first fresh air outlet into a plurality of air outlet areas, so as to realize remote air supply. In some alternative embodiments, the first fresh air outlet is a larger aperture without any structure disposed therein. Similarly, the second fresh air outlet 14 is formed by arranging and combining a plurality of micropores, or a horizontal rib and/or a vertical rib are/is arranged in the second fresh air outlet 14, so as to divide the second fresh air outlet into a plurality of air outlet areas. Each structure of the first fresh air outlet 13 and each structure of the second fresh air outlet 14 can be used in cooperation with each other, and the structural functions can be different. Preferably, each structure of the first fresh air outlet 13 and each structure of the second fresh air outlet 14 have the same function, and are formed by arranging and combining micropores, or are internally provided with separation ribs. The arrangement and combination of the plurality of micropores can also make the housing 10 more beautiful, and avoid the influence on the appearance of the housing 10 caused by the opening of a larger opening.

Fig. 7 is a schematic structural diagram of an air conditioning indoor unit according to an embodiment of the present invention, and the air conditioning indoor unit further includes a third fresh air outlet 15, where the third fresh air outlet 15 may be disposed between the heat exchanging air inlet 11 and a transverse end surface of the casing 10. The heat exchanging air inlet 11 may be disposed on the top surface of the casing 10, so that the third fresh air outlet 15 is located on one lateral side of the heat exchanging air inlet 11, such as the left side of the figure, to reduce the influence of the third fresh air outlet on the normal layout of the heat exchanging air inlet 11, the heat exchanging air outlet 12, the evaporator, and the heat exchanging fan.

As shown in fig. 3 and 4, the indoor unit of an air conditioner further includes a fresh air blower 30. The fresh air fan 30 is installed inside the casing 10 for promoting the flow of the fresh air flow. The fresh air blower 30 includes a housing. The shell is provided with a fresh air inlet for sucking fresh air flow and a plurality of fresh air outlets for discharging the fresh air flow. The fresh air inlet can be communicated with the outdoor space through a pipeline so as to introduce fresh air flow. Every new trend export is direct or connect a new trend air outlet through pipeline 31. Because a plurality of new trend exports the air-out simultaneously for the air-out of new trend fan 30 is more smooth and easy, and wind-force is stronger. Moreover, the quantity of the fresh air outlets is increased, and the air outlet resistance of each fresh air outlet is reduced. Under the same air quantity, the rotation speed of the fresh air fan 30 is reduced by increasing the fresh air outlet, so that the power consumption and the noise are lower.

In some embodiments, the housing includes a volute that is flat with a thickness direction parallel to the length direction of the casing 10. An impeller of a fresh air fan 30 is arranged in the volute. The fresh air outlets are arranged on the volute. The fresh air fan 30 is disposed at one end of the length direction inside the casing 10, so that the layout of the heat exchange air inlet 11, the heat exchange air outlet 12, the evaporator and the heat exchange fan is not affected. The impeller can be a centrifugal impeller, and under the action of the impeller, the fresh air is radially thrown out along the impeller and then is discharged out of the volute through the fresh air outlet. Of course, the impeller may also be an axial-flow impeller or another type of impeller, and detailed description of the structure thereof is omitted here.

In some embodiments, the housing further includes a purification shell, which is flat with a thickness direction parallel to a length direction of the casing 10, and the volute and the purification shell are abutted and communicated with each other and the connection is fastened by screws. The purification shell is provided with the fresh air inlet, and the purification module is arranged in the purification shell, so that fresh air flow sucked from the fresh air inlet flows to the impeller after passing through the purification module and being purified by the purification module. The purification module can be a filtration module to filter harmful impurities in the fresh air stream. The purification module can also have other processing functions to further process the fresh air flow, so that the fresh air flow is more fresh and healthy. The volute can be closer to the first end of the length direction of the casing 10 (namely, the volute is located on the left side of the purification casing) than the purification casing, so that the fresh air outlet is arranged closer to the first end of the casing 10, and the layout of the heat exchange air inlet 11, the heat exchange air outlet 12, the evaporator and the heat exchange fan is not influenced.

The impeller may be a centrifugal impeller, and an air suction port is provided at one end of the volute facing the purifying case in the thickness direction (x-axis direction). One side of the purification shell facing the volute is opened so as to be conveniently covered and buckled on the volute, the edges are connected in a sealing mode, and the inner space is communicated. The purification module is enclosed by the purification shell. Under the rotation action of the impeller, fresh air flow enters the purification shell from a fresh air inlet of the purification shell, then flows through the purification module to be purified, and then enters the volute from the air suction port. Under the action of the impeller, the purified air flow is radially thrown out along the impeller and then is discharged out of the volute through the fresh air outlet.

The circumferential front part of the purifying shell is provided with a maintenance socket to allow the purifying module to be inserted into the purifying shell through the maintenance socket. Therefore, the user can easily clean and replace the purification module by detaching the front panel 18 of the casing 10, which is very convenient.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. An indoor unit of an air conditioner, which comprises a casing extending along the horizontal transverse direction, is characterized in that,

the shell is provided with a heat exchange air outlet for discharging heat exchange airflow and a plurality of fresh air outlets;

the indoor unit of the air conditioner is configured to introduce outdoor fresh air flow and discharge the fresh air flow to an indoor space through one or more fresh air outlets; and is

The plurality of fresh air outlets comprise first fresh air outlets, and the first fresh air outlets and the heat exchange air outlets are sequentially arranged along the horizontal transverse direction.

2. An indoor unit of an air conditioner according to claim 1,

the heat exchange air outlet is arranged at the bottom of the front side of the shell and extends along the horizontal direction.

3. An indoor unit of an air conditioner according to claim 1, further comprising a wind deflector;

the air deflector is arranged at the heat exchange air outlet, and covers the heat exchange air outlet and the first fresh air outlet when the air deflector is in a closed state.

4. An indoor unit of an air conditioner according to claim 1,

the casing comprises a casing, and the casing is provided with two false air duct parts arranged at intervals along the horizontal transverse direction; the heat exchange air outlet is arranged on the housing and is positioned between the two false air channel parts; the first fresh air outlet is arranged on one of the false air ducts.

5. An indoor unit of an air conditioner according to claim 1,

a plurality of fresh air outlets are including seting up in the preceding second fresh air outlet of casing, second fresh air outlet sets up and is closing on the upper corner position of the horizontal terminal surface of casing.

6. An indoor unit of an air conditioner according to claim 5,

the second fresh air outlet is positioned above the first fresh air outlet, and

the first fresh air outlet is closer to the transverse end face of the casing than the second fresh air outlet, or the distance between the first fresh air outlet and the transverse end face of the casing is equal to the distance between the second fresh air outlet and the transverse end face of the casing.

7. An indoor unit of an air conditioner according to claim 5,

the first fresh air outlet is formed by arranging and combining a plurality of micropores, or transverse ribs and/or vertical ribs are arranged in the first fresh air outlet so as to divide the first fresh air outlet into a plurality of air outlet areas;

the second fresh air outlet is formed by arranging and combining a plurality of micropores, or transverse ribs and/or vertical ribs are arranged in the second fresh air outlet so as to divide the second fresh air outlet into a plurality of air outlet areas.

8. An indoor unit of an air conditioner according to claim 1, further comprising:

the new trend fan for make new trend air current flow, it is installed inside the casing, the new trend fan includes the shell, the shell is offered and is used for inhaling new trend air current's new trend import and is used for discharging new trend air current's a plurality of new trend exports, every new trend exit linkage is one the new trend air outlet.

9. An indoor unit of an air conditioner according to claim 8,

the fresh air fan is arranged at one end of the length direction in the shell;

the shell comprises a volute and a purification shell, and the volute and the purification shell are both flat in a thickness direction parallel to the length direction of the shell, are attached and connected, and are communicated with each other in the inner space;

the volute is internally provided with an impeller of the fresh air fan, and the fresh air outlets are formed in the volute; and is

The purification shell is provided with the fresh air inlet, and a purification module is arranged in the purification shell, so that fresh air sucked from the fresh air inlet flows to the impeller after being purified by the purification module.

10. An indoor unit of an air conditioner according to claim 1,

the shell is provided with a heat exchange air inlet for sucking indoor air;

the plurality of fresh air outlets comprise a third fresh air outlet arranged on the top surface of the shell;

the third fresh air outlet is arranged between the heat exchange air inlet and the transverse end face of the casing.

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