CN211822733U

CN211822733U - Air conditioner indoor unit and air conditioner

Info

Publication number: CN211822733U
Application number: CN202020340653.5U
Authority: CN
Inventors: 翟富兴; 曹华
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-10-30
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses an air-conditioning indoor unit, which comprises a shell, a purification component, a heat exchanger and an airflow driving piece, wherein the shell forms a cavity with a fresh air inlet, an air return inlet and an air supply outlet, the upper part of the front side of the shell is provided with the air supply outlet, the lower part of the front side of the shell is provided with the air return inlet, and the bottom side of the shell is provided with the fresh air inlet; the heat exchanger is arranged in the cavity; the purification assembly is arranged in the cavity and is opposite to the fresh air inlet and/or the air return inlet; the airflow driving piece is arranged in the cavity and used for driving airflow to be blown out from the air supply opening. According to the utility model discloses machine and air conditioner in air conditioning can introduce the new trend to simple structure, low cost, the air-resistor is little, and the air current mobility is strong.

Description

Air conditioner indoor unit and air conditioner

Technical Field

The utility model relates to an air conditioning technology field, in particular to machine and air conditioner in air conditioning.

Background

Along with air pollution's aggravation and people to the urgent demand of healthy air, new fan has appeared in the suitable transportation on the market, and new fan can introduce indoor after purifying the new trend that outdoor oxygen content is high to guarantee the safety and the health of indoor air quality.

However, the installation of the existing fresh air machine needs to open a wall hole indoors, and if the air inlet quantity of fresh air needs to be increased, the pipe diameter of the fresh air pipe needs to be increased, so that the aperture of the wall hole is inevitably increased. Then, in order to adapt to the aesthetic standard that the user promoted gradually, build comfortable safe house environment, work such as the buried pipe that punches when reducing building and fitment, how to make up new fan and the electrical apparatus of daily use in present house environment, make the function of trading the new trend integrate into electrical apparatus commonly used to abandon traditional new fan's installation mode, avoid puncturing the wall hole and become the technical problem that a needs were solved.

In addition, the fresh air duct and the waste air duct of the traditional fresh air fan are respectively internally provided with air flow driving pieces such as a fresh air wind wheel and a waste air wind wheel, the structure is complex, and the cost is wasted to a certain extent.

Disclosure of Invention

An object of the utility model is to provide an indoor set of air conditioner can introduce the new trend to simple structure, low cost, the air-resistor is little, and the air current mobility is strong.

Another object of the present invention is to provide an air conditioner, which includes an air conditioner indoor unit having the above advantages.

The air-conditioning indoor unit comprises a shell, a purification assembly, a heat exchanger and an airflow driving piece, wherein the shell forms a cavity with a fresh air inlet, an air return opening and an air supply opening, the air supply opening is arranged at the upper part of the front side of the shell, the air return opening is arranged at the lower part of the front side of the shell, and the fresh air inlet is arranged at the bottom side of the shell; the heat exchanger is arranged in the cavity; the purification assembly is arranged in the cavity and is opposite to the fresh air inlet and/or the air return inlet; the airflow driving piece is arranged in the cavity and used for driving airflow to be blown out from the air supply opening.

According to the utility model discloses machine in air conditioning has set up new trend entry and return air inlet on its casing, the situation in the wall body trompil when having avoided the installation of traditional new fan. The fresh air inlet is located the casing bottom side, and the return air inlet is located the casing front side, can make two strands of air currents of fresh air current and return air current get into the cavity simultaneously and do not take place to interfere, reduces windage between them, does benefit to and improves the air current mobility. In addition, the airflow driving part can simultaneously drive fresh air flow entering from a fresh air inlet and return air flow entering from a return air inlet, so that different airflow driving parts are prevented from being arranged to respectively drive the fresh air flow and the return air flow, the internal structure of the indoor unit of the air conditioner is simpler, and the cost is reduced.

In addition, according to the utility model discloses machine in air conditioning of above-mentioned embodiment, can also have following additional technical characterstic:

in some embodiments, the housing is provided with a volute, the volute forms an air duct, the air duct is respectively communicated with the chamber and the air supply opening, and the heat exchanger wraps an inlet of the air duct. The heat exchanger is used for exchanging heat for the airflow in the air duct, so that the airflow blown out from the air supply opening has stronger air temperature adjustability.

In some embodiments, a portion of the heat exchanger is opposite the fresh air inlet and another portion of the heat exchanger is opposite the return air inlet. The two parts of the heat exchanger exchange heat with the fresh air flow and the return air flow respectively, and are used for reducing the temperature difference of the two air flows and enabling the temperature uniformity of the air flow mixed into the air channel to be higher.

In some embodiments, the airflow driving member is arranged at the inlet of the air duct, so that the fresh air flow and the return air flow entering the air duct can be mixed with each other, and the temperature, the oxygen content, the humidity and the like of the two air flows are exchanged with each other, so that the temperature, the oxygen content and the humidity of the air outlet blown out from the air supply opening are more uniform, and the user experience and the comfort level are improved.

In some embodiments, the purification assembly is removably disposed within the housing. Purify impurity, bacterium, harmful substance etc. that the subassembly is arranged in purifying the air current of the cavity of casing, in long-term use, be polluted easily, will purify subassembly detachably and set up in the casing, can make things convenient for the maintenance in later stage or change to the air-out air current that the assurance blew off from in the air supply port is cleaner, healthy and fresh.

In some embodiments, the bottom side of the housing is provided with a damper for closing or opening the fresh air inlet. Under standby state, be favorable to protecting the new trend entry, avoid new trend entry laying dust.

In some embodiments, the damper is pivotally disposed on a bottom side of the housing. The air door is pivotally connected to the shell, and the air door is simple in structure, easy to control and easy to adjust.

In some embodiments, the bottom side of the housing is provided with a downwardly extending protrusion, which constitutes the fresh air inlet.

In some embodiments, the projection is located at a rear end of the bottom side of the housing.

In some embodiments, in the vertical direction, the fresh air inlet and the return air inlet are arranged in a staggered manner, so that air flow channeling can be avoided, air resistance is further reduced, and the flowability of air flow is increased.

In some embodiments, the housing comprises: the rear shell and connect in the front panel of rear shell, a plurality of preceding return air holes are injectd to the front panel, increase indoor return air inlet volume to can reduce return air noise.

In some embodiments, the front panel is movably disposed on the rear case in a front-rear direction.

In some embodiments, the front panel comprises: the mainboard with enclose and locate the curb plate of mainboard circumference, be equipped with a plurality of side return air holes on the curb plate, further increase the air inlet amount of wind of indoor return air.

In some embodiments, the air supply opening and the air return opening are arranged at an interval in the vertical direction.

According to the utility model discloses another purpose air conditioner, including aforementioned machine in the air conditioning.

Because according to the utility model discloses air conditioner indoor unit has foretell technological effect, consequently, the utility model discloses the air conditioner also has foretell technological effect, promptly according to the utility model discloses the air conditioner is through the air conditioner indoor unit who sets up above-mentioned technological effect, can introduce the new trend to simple structure, low cost, the air-resistor is little, and the air current mobility is strong.

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

Fig. 1 is a sectional view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 2 is a sectional view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 3 is a schematic view of an indoor unit of an air conditioner in an application scenario according to the present invention.

Fig. 4 is an exploded view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 5 is a perspective view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 6 is a perspective view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 7 is a perspective view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 8 is a perspective view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 9 is a sectional view of an air conditioning indoor unit according to an embodiment of the present invention.

Reference numerals:

the air conditioner indoor unit 100, a shell 1, a fresh air inlet 11, an air return opening 12, an air supply opening 13, a volute 14, an air duct 141, an air door 15, a protruding portion 16, a cavity 17, a heat exchanger 2, a purification assembly 3, an airflow driving member 4, a rear shell 10, a front panel 20, a front air return hole 121, a side air return hole 122, a main board 201, a side board 202, a window 5 and a curtain 6.

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 and intended to be used for 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 will be described in detail with reference to fig. 1 to 9. The indoor unit 100 of the air conditioner may be an air conditioner hanging unit, a cabinet air conditioner, a combined air purifier, a ceiling unit, a duct unit, or the like, but is not limited thereto.

The air-conditioning indoor unit 100 comprises a shell 1, a heat exchanger 2, a purification assembly 3 and an airflow driving piece 4, wherein the shell 1 forms a cavity 17 with a fresh air inlet 11, an air return opening 12 and an air supply opening 13, the air supply opening 13 is arranged at the upper part of the front side of the shell 1, the air return opening 12 is arranged at the lower part of the front side of the shell 1, the fresh air inlet 11 is arranged at the bottom side of the shell 1, and the heat exchanger 2 is arranged in the cavity 17; the airflow drive 4 is provided in the chamber 17 for driving the airflow to be blown out from the blowing port 13. The purification component 3 is arranged in the cavity 17, wherein the purification component 3 can be arranged opposite to the fresh air inlet 11, or the purification component 3 can be arranged opposite to the return air inlet 12, and furthermore, the purification components 3 are arranged at the fresh air inlet 11 and the return air inlet 12;

note that, the front side mentioned above may refer to the front-back direction shown in fig. 1. The upper, lower and bottom sides mentioned above may refer to the up-down direction shown in fig. 1.

According to the utility model discloses machine 100 in air conditioning, the bottom side and the front side of its casing 1 have set up new trend entry 11 and return air inlet 12 respectively, are favorable to increasing the air input to, the new trend air current that the new trend entry 11 was introduced and the return air current that the return air inlet 12 was introduced are difficult for producing the interference, do benefit to and reduce the air resistance, improve the air current mobility. In addition, the fresh air flow and the return air flow share the air flow driving member 4, so that the internal structure of the indoor unit 100 of the air conditioner is simpler, and the cost can be reduced.

Referring to fig. 1 to 3, the housing 1 is provided with a volute 14, the volute 14 forms an air duct 141, the air duct 141 is respectively communicated with the chamber 17 and the air supply opening 13, and the heat exchanger 2 surrounds an inlet of the air duct 141. The heat exchanger 2 is used for exchanging heat for the airflow in the air duct 141, so that the airflow blown out from the air supply opening 13 has stronger air temperature adjustability. The heat exchanger 2 is wrapped around the inlet of the air duct 141. Fresh air flow enters the cavity 17 from the fresh air inlet 11, return air flow enters the cavity 17 from the return air port 12, two air flows are mixed alternately and enter the air duct 141 under the action of the air flow driving piece 4, and the heat exchanger 2 is arranged at the inlet of the air duct 141 and can exchange heat for the fresh air flow and the return air flow at the same time, so that the heat exchange efficiency is improved, and the structure is simple.

Referring to fig. 1, a part of the heat exchanger 2 is opposite to the fresh air inlet 11, and the other part of the heat exchanger 2 is opposite to the return air inlet 12. The two parts of the heat exchanger 2 exchange heat with the fresh air flow and the return air flow respectively, so as to reduce the temperature difference of the two air flows and enable the temperature uniformity of the air flow mixed into the air duct 141 to be higher.

In the above embodiment, the air intake from the fresh air inlet 11 and the air return 12 needs to be heat exchanged by the heat exchanger 2, the heat exchanger 2 includes the first section 21 and the second section 22, and the first section 21 is disposed between the air duct inlet and the fresh air inlet 11. The second section 22 is arranged between the air duct inlet and the air return opening 12, wherein the first section 21 and the second section 22 are connected with each other, and the refrigerant flow paths in the first section 21 and the second section 22 are communicated. First section 21 and second section 22 can be bent into "V" shape, and first section 21 and second section 22 can be respectively for the new trend enters the air of 11 departments and the air inlet of return air inlet 12 department carries out the heat exchange to adjust air current temperature, make the temperature and the indoor ambient temperature of the air current that blows off from supply-air outlet 13 produce great difference in temperature, thereby quick adjustment indoor ambient temperature.

Referring to fig. 1 to 3, the airflow driver 4 is disposed at the inlet of the air duct 141. The air flow driving part 4 drives the fresh air flow entering the cavity 17 from the fresh air inlet 11 and the return air flow entering the cavity 17 from the return air inlet 12 to all flow into the air duct 141, and the air flow driving part 4 drives the mixed air flow to blow out from the air supply opening 13 along the air duct 141, in the whole process, the fresh air flow and the return air flow are mixed with each other, the temperature, the oxygen content, the humidity and the like of the two air flows are exchanged and mixed, so that the temperature, the oxygen content and the humidity of the air outlet blown out at the air supply opening 13 are more uniform, and the user experience and the comfort level are improved.

Referring to fig. 1 and 2, a purification assembly 3 is detachably provided in the housing 1. Purify impurity, bacterium, harmful substance etc. that subassembly 3 is arranged in purifying the air current in the cavity 17 of casing 1, in long-term use, easily contaminated, will purify subassembly 3 detachably and set up in casing 1, can make things convenient for the maintenance in later stage to maintain or change to the air-out air current that the assurance blew off from in the supply-air outlet 13 is clean more, healthy and fresh.

In the above embodiment, at least one of the fresh air inlet 11 and the return air inlet 12 is provided with the purification module 4. The purification module 4 may be a filter assembly in a physical form such as a hepa net (HAPA net) and an HF net, or may be in a form of an electrostatic dust removal device. The purification module 4 is mainly used for removing impurities, bacteria and foreign matters carried in fresh air flow or indoor return air flow, so that the air quality is improved.

Referring to fig. 9, the bottom side of the casing 1 is provided with a damper 15 for closing or opening the fresh air inlet 11. Under standby state, be favorable to protecting new trend entry 11, avoid new trend entry 11 laying dust.

In the above embodiment, the air conditioner main board can control whether the damper 15 opens or closes the fresh air inlet 11, so as to select whether to open the fresh air mode. The fresh air mode is started, the fresh air inlet 11 is opened by the air door 15, and fresh air flow can be introduced from the fresh air inlet 11. And (3) closing the fresh air mode, closing the fresh air inlet 11 by using the air door 15, and introducing air inlet of the indoor air conditioner unit 100 by mainly using an indoor air return port 12. Or, the opening angle of the control damper 15 can be selected, so that the opening degree of the fresh air inlet 11 is controlled, and then the air inflow of the fresh air flow introduced into the fresh air inlet 11 is controlled.

In the above embodiment, the damper 15 is pivotally disposed at the bottom side of the housing 1, and the damper 15 is pivotally connected to the housing 1, so that the damper is simple in structure, easy to control, and easy to adjust. For example, the casing 1 is provided with a driving member for driving the damper 15 to operate, the driving member may be a stepping motor or a servo motor, etc., and the driving member drives the damper 15 to rotate to a position for closing the fresh air inlet 11 and a position for opening the fresh air inlet 11.

Referring to fig. 1 to 3, the bottom side of the casing 1 is provided with a downwardly extending protrusion 16, and the protrusion 16 forms the fresh air inlet 11. For example, referring to fig. 4, in an application scenario, the indoor unit 100 of the air conditioner is installed above a window 5 of an indoor space, and the protrusion 16 can extend into between the window 5 and a curtain 6, so that the fresh air inlet 11 directly introduces an air flow between the window and the curtain, and when the window is opened, the fresh air inlet 11 can directly introduce external fresh air through the opened window 5, thereby avoiding a situation that a hole is formed in a wall when a conventional fresh air blower is installed, and effectively fusing functions of the air conditioner and the fresh air blower, and effectively ensuring health and comfort of indoor air. And the air intake of the fresh air is not restricted by the pipe diameter, so that the air intake of the fresh air is increased, and the speed of improving the indoor air quality is increased.

Continuing with fig. 1 to 3, the projection 16 is located at the rear end of the bottom side of the housing 1. In the application scenario shown in fig. 4, the indoor unit of the air conditioner can be installed above the window, and the protruding portion 16 is disposed at the rear end of the bottom side of the casing 1, so as to extend into the space between the window and the curtain, at this time, the fresh air inlet 11 is configured to directly suck air flow from the space between the window 5 and the curtain 6, and when the window 5 is opened and the curtain 6 is shielded, the fresh air inlet 11 will introduce fresh air from the outside of the window 5, and the curtain 6 is blocked, so that the indoor air flow can be prevented from flowing into the indoor unit of the air conditioner 100 through the fresh air inlet 11, thereby increasing the suction amount of the fresh air. Compared with the structure of a fresh air pipe for installing a through wall, the structure of the bulge part 16 is simpler and more reliable and is convenient to install.

In the above embodiment, a part of the projection 16 continues to extend downward along the side wall of the housing 1, and another part of the projection 16 is configured in a form of being bent to the front side. The lateral bend may be adapted to allow a rod of the curtain 6 to pass through.

Alternatively, in an embodiment different from the above-mentioned embodiments, the fresh air inlet 11 is provided at the rear end of the bottom side of the housing 1, wherein the front end and the rear end of the housing 1 are flush. When the indoor unit 100 of the air conditioner is installed indoors, the hanging rod of the curtain 6 can be installed at the front position of the bottom side of the shell 1, the fresh air inlet 11 is naturally positioned behind the curtain 6, and when the window 5 is opened by the shielding curtain 6, outdoor air can be introduced into the room from the fresh air inlet 11.

With reference to fig. 1 to 9, the fresh air inlet 11 and the return air inlet 12 are arranged in a staggered manner in the vertical direction. In other words, the fresh air inlet 11 and the return air inlet 12 are arranged at intervals in the up-down direction, and in addition, because the fresh air inlet 11 is arranged at the bottom side of the casing 1, the return air inlet 12 is arranged at the front side of the casing 1, specifically, the fresh air inlet 11 and the return air inlet 12 are arranged in a staggered manner in the up-down direction and the left-right direction of the casing 1, so that indoor return air flow is not easy to enter the cavity 17 through the fresh air inlet 11, outdoor fresh air is not easy to enter the cavity 17 from the indoor return air inlet 12, mutual streaming of the fresh air flow and the return air flow is avoided, and the air resistance is further reduced.

Referring to fig. 4 to 9, the housing 1 includes: a rear case 10 and a front panel 20 coupled to the rear case 10, the front panel 20 defining a plurality of front return holes 121. The air outlet and return ports 12 are formed by the front air return holes 121, so that indoor return air flow is effectively introduced, the air inlet amount is increased, and the refrigerating and heating efficiency in the indoor environment is improved. The term "return air" means that air blown out from the air supply opening 13 into the room is reintroduced into the duct through the return air opening 12. The front panel 20 is provided with a plurality of front return holes 121 to facilitate the return of air introduced into the indoor space.

In the above embodiment, the front surface of the front panel 20 is provided with the rows of front return air holes 121, and in the two adjacent rows of front return air holes 121, the diameter of the front return air hole 121 adjacent to the air supply opening 13 is larger than that of the front return air hole 121 far away from the air supply opening 13. The aperture of the front return hole 121 is reduced along the direction close to the air supply opening 13 on the front panel 20, so that the air flow blown out from the air supply opening 13 can be effectively prevented from being directly sucked back into the air duct again through the front return hole 121, and the occurrence of the return air short circuit phenomenon is avoided. In addition, set up return air inlet 12 into the form of preceding return air hole 121, not only can improve the outward appearance effect, can also the effectual wind that reduces the return air current make an uproar, realize the silence return air, effectively promote user experience.

Referring to fig. 4 to 9, the front panel 20 is movably provided on the rear case 10 in the front and rear direction. For example, at least one of the front panel 10 and the rear case 10 is provided with a pushing mechanism, and the front panel 10 can move forward or backward along the pushing mechanism.

In the above embodiment, the front panel 20 includes: mainboard 201 and enclose the curb plate 202 that locates mainboard 201 circumference, be equipped with a plurality of side return air holes 122 on the curb plate 202. For example, the rear case 10 is provided with a forward opening 101, and the main plate 201 can close the opening 101. In conjunction with fig. 5 and 7, the side panel 202 may be enclosed in the rear case 10 in the shutdown state. In conjunction with fig. 6 and 8, in the set-up on state, the side panel 202 moves forward with the front panel 20, eventually fully exposing and attaching to the front side of the rear case 10. The side plate 202 is provided with a plurality of side return air holes 122, when the side plate 202 is completely exposed, the indoor return air flow can enter the chamber 17 through the side return air holes 122, so that the side return air holes 122 can be used as another form of the return air inlet 12 to further increase the indoor return air quantity, and the regulation rate of the indoor environment is improved.

Referring to fig. 1 to 3, the air supply opening 13 and the air return opening 12 are spaced in the vertical direction. The separated air return opening 12 and the air supply opening 13 can avoid the phenomenon of air return short circuit caused by that the airflow blown out from the air supply opening 13 is directly sucked into the air return channel, thereby ensuring the refrigerating and heating effects of the air conditioner. For example, the return air inlet 12 and the supply-air outlet 13 are disposed at an interval on the front side wall of the casing 1, and the supply-air outlet 13 is disposed on the upper side of the return air inlet 12, the bottom of the casing 1 is provided with the fresh air inlet 11, so that fresh air is supplied from the bottom of the casing 1 under the driving of the airflow driving member 21, return air is supplied to the front side of the casing 1, and the fresh air flow and the return air flow are mutually independent and cross-gathered in the heat exchange air chamber and then blown out through the supply-air outlet 13, because the supply-air outlet 13 and the return air inlet 12 have an interval in the up-down direction, the situation that the airflow blown out from the supply-air outlet 13 is not flowed into the.

An air conditioner according to another objective embodiment of the present invention includes the aforementioned air conditioner indoor unit 100. Because the bottom side and the front side of the shell 1 of the indoor unit 100 of the air conditioner are respectively provided with the fresh air inlet 11 and the return air inlet 12, the air input can be increased, and the interference between the fresh air flow introduced by the fresh air inlet 11 and the return air flow introduced by the return air inlet 12 is not easy to generate, the air resistance can be reduced, and the air flow mobility can be improved. In addition, the fresh air flow and the return air flow share the air flow driving member 4, so that the internal structure of the indoor unit 100 of the air conditioner is simpler, and the cost can be reduced. Therefore, according to the utility model discloses the air conditioner has the air input equally big, and the windage that admits air is little, and the air current mobility is strong, and the inner structure is simple, low cost's advantage.

Additionally, according to the utility model discloses air conditioner through utilizing indoor current environment form, realizes the purpose of changing new trend with the help of indoor scene. And the traditional pipe-passing air induction mode is abandoned, on one hand, wall holes and pipelines are not needed for air induction, and the installation form is simple. On the other hand, the air volume can be large and is not restricted by the pipe diameter. The purification modules 4 are respectively arranged at the fresh air inlet 11 and the air return inlet 12, so that the fresh air can be introduced, and the double purification of the outdoor air and the indoor self-circulation air in the introduced air channel can be realized.

Furthermore, 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. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

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

the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with a cavity with a fresh air inlet, an air return inlet and an air supply outlet, the upper part of the front side of the shell is provided with the air supply outlet, the lower part of the front side of the shell is provided with the air return inlet, and the bottom side of the shell is provided with the fresh air inlet;

the heat exchanger is arranged in the cavity;

the purification assembly is arranged in the cavity and is opposite to the fresh air inlet and/or the air return inlet;

and the airflow driving piece is arranged in the cavity and is used for driving airflow to be blown out from the air supply outlet.

2. An indoor unit of an air conditioner as claimed in claim 1, wherein the casing is provided with a volute, the volute is provided with an air duct, the air duct is respectively communicated with the chamber and the air supply opening, and the heat exchanger is wrapped around an inlet of the air duct.

3. An indoor unit of an air conditioner according to claim 2, wherein a part of the heat exchanger is opposed to the fresh air inlet, and another part of the heat exchanger is opposed to the return air inlet.

4. An indoor unit of an air conditioner according to claim 2, wherein the airflow driving member is provided at an inlet of the air duct.

5. An indoor unit of an air conditioner according to claim 1, wherein the purification unit is detachably provided in the casing.

6. An indoor unit of an air conditioner according to claim 1, wherein a damper for closing or opening the fresh air inlet is provided at a bottom side of the casing.

7. An indoor unit of an air conditioner according to claim 6, wherein the damper is pivotably provided to a bottom side of the casing.

8. An indoor unit of an air conditioner according to claim 1, wherein a bottom side of the casing is provided with a protrusion extending downward, and the protrusion constitutes the fresh air inlet.

9. An indoor unit of an air conditioner according to claim 8, wherein the projection is located at a rear end of the bottom side of the casing.

10. An indoor unit of an air conditioner according to claim 9, wherein the fresh air inlet and the return air inlet are arranged to be offset from each other in a vertical direction.

11. An indoor unit of an air conditioner according to claim 1, wherein the casing includes: the air conditioner comprises a rear shell and a front panel connected to the rear shell, wherein the front panel defines a plurality of front air return holes.

12. An indoor unit of an air conditioner according to claim 11, wherein the front panel is provided on the rear casing movably in a front-rear direction.

13. An indoor unit of an air conditioner according to claim 12, wherein the front panel includes: the mainboard with enclose and locate mainboard circumference's curb plate, be equipped with a plurality of side return air holes on the curb plate.

14. An indoor unit of an air conditioner according to claim 1, wherein the air supply opening and the air return opening are provided at an interval in an up-down direction.

15. An air conditioner characterized by comprising an indoor unit of an air conditioner according to any one of claims 1 to 14.