CN216143827U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model relates to the technical field of air conditioners and provides an air conditioner indoor unit. The air-conditioning indoor unit comprises a shell, wherein the shell comprises a top part, a bottom part and a side part, the side part is connected between the top part and the bottom part, and the shell is provided with a fresh air inlet, a return air inlet, a fresh air outlet and a plurality of return air outlets; the shell is internally provided with a heat exchange air channel and a fresh air channel which are mutually independent, the fresh air inlet is communicated with the fresh air outlet through the fresh air channel, and the return air inlet is communicated with the return air outlets through the heat exchange air channels; the bottom is located in the new trend export, and a plurality of return air exports set up in the lateral part along the circumference interval of casing, and each return air export all can rotate and install the aviation baffle. The air conditioner indoor unit provided by the utility model can meet the heat exchange requirements of multiple same directions and angles, ventilate the whole space, and independently adjust the deflection angle of the air deflector on one side, so that the body temperature loss caused by the fact that the user on the corresponding side is exposed out of the water surface is avoided, and the air conditioner indoor unit is suitable for scenes such as bathrooms or indoor swimming pools.

Description

Indoor unit of air conditioner

Technical Field

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

Background

At present, people adopt air conditioners to regulate the temperature of indoor environment in various occasions so as to ensure the comfort of the environment temperature. In some places such as bathrooms or indoor swimming pools, because the space is usually in a closed state, and the ambient humidity is higher, if the air is not circulated, the breeding of bacteria is easily caused, and adverse effect is caused to the environmental sanitation. In addition, when a user swims, if the user suddenly lands on the shore or is exposed out of the water, the temperature of the human body is easily lost due to the heat absorption caused by the evaporation of water, and the user is not good for the health of the human body. The air conditioner in the prior art cannot well meet the use requirements of scenes such as a bathroom or an indoor swimming pool.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air conditioner indoor unit, which is used for solving the technical problem that an air conditioner in the prior art cannot meet the use requirement of a bathroom or an indoor swimming pool scene.

The utility model provides an indoor unit of an air conditioner, which comprises a shell, wherein the shell comprises a top part, a bottom part and a side part, the side part is connected between the top part and the bottom part, and the shell is provided with a fresh air inlet, a return air inlet, a fresh air outlet and a plurality of return air outlets; the shell is internally provided with a heat exchange air channel and a fresh air channel which are mutually independent, the fresh air inlet is communicated with the fresh air outlet through the fresh air channel, and the return air inlet is communicated with the return air outlets through the heat exchange air channels; the fresh air outlet is arranged at the bottom, the return air outlets are arranged at the side part at intervals along the circumferential direction of the shell, and each return air outlet is rotatably provided with an air deflector.

According to the indoor unit of an air conditioner provided by the present invention, the return air inlet is provided at the side portion and arranged along the peripheral side of the casing, one of the return air inlet and the return air outlet is close to the top portion, and the other is close to the bottom portion.

According to the indoor unit of the air conditioner, the side part comprises an air inlet part and an air outlet part, the return air inlet is arranged at the air inlet part, the return air outlet is arranged at the air outlet part, the air inlet part is close to the top part, the air outlet part is close to the bottom part, and the air outlet part is gradually reduced in the direction from the top part to the bottom part.

The utility model provides an indoor unit of an air conditioner, which further comprises an evaporator and a first fan, wherein the evaporator and the first fan are both arranged in the heat exchange air duct; the evaporator is arranged around the first fan and connected with the shell to divide the heat exchange air channel into an air inlet channel and an air outlet channel, the return air inlet is communicated with the air inlet channel, and the return air outlet is communicated with the air outlet channel; the first fan is used for driving indoor air to sequentially flow through the return air inlet, the air inlet duct, the evaporator and the air outlet duct and then blow out from the return air outlets.

According to the indoor unit of the air conditioner, the side part is provided with the first partition board extending towards the inside of the shell along the circumferential direction of the side part, and the first partition board is positioned between the return air inlet and the return air outlets; the two ends of the evaporator are respectively connected with the top and the first partition plate, and the air inlet duct is formed between the top and the first partition plate.

According to the indoor unit of the air conditioner, the fresh air inlets are formed in the top, the number of the return air inlets is multiple, the return air inlets are arranged on the side part at intervals along the circumferential direction of the shell and are arranged in one-to-one correspondence with the return air outlets; and the positions of the side parts between every two adjacent return air inlets and between every two adjacent return air outlets are provided with air guide channels, and two ends of each air guide channel are respectively communicated with the fresh air inlet and the fresh air outlet to form the fresh air channel.

According to the air conditioner indoor unit provided by the utility model, the top is provided with the plurality of flow guide channels, the plurality of air guide channels and the plurality of flow guide channels are arranged in a one-to-one correspondence manner, and the air guide channels are communicated with the fresh air inlet through the flow guide channels.

According to the indoor unit of the air conditioner, the second partition plate is arranged inside the shell, the heat exchange air channel is formed between the second partition plate and the top, the fresh air outlet cavity is formed between the second partition plate and the bottom, and the air guide channel is communicated with the fresh air outlet through the fresh air outlet cavity.

According to the air conditioner indoor unit provided by the utility model, the air conditioner indoor unit further comprises a computer control panel, a third partition plate is arranged between the second partition plate and the bottom, an accommodating space is formed by the second partition plate and the third partition plate in an enclosing mode, and the computer control panel is arranged in the accommodating space.

According to the indoor unit of the air conditioner, one side, away from the fresh air outlet cavity, of the second partition plate is provided with the plurality of air guide surfaces, the plurality of air guide surfaces and the plurality of return air outlets are arranged in a one-to-one correspondence mode, and one end, close to the air outlet side, of each air guide surface is connected with the return air outlet so as to guide indoor return air subjected to heat exchange to the direction of the return air outlet.

The air conditioner indoor unit provided by the utility model has the advantages that the independent heat exchange air channel and the independent fresh air channel are arranged, the fresh air outlet is arranged at the bottom of the shell, the plurality of return air outlets distributed along the circumferential direction of the shell are arranged at the side part of the shell, and the air deflector is rotatably arranged at each indoor return air outlet, so that the air conditioner can blow heat exchange air from a plurality of directions on the circumferential side of the shell while blowing fresh air, and the heat exchange requirements of different directions and different angles are met and the whole space is ventilated. In a bathroom or a bathing pool in a closed environment, the circulation of indoor air and the outside can be ensured while the proper indoor temperature is ensured, and the breeding of bacteria is reduced.

The air outlet direction of the indoor unit of the air conditioner close to the side where the user is located can be independently adjusted, hot air is blown to the user or cold air is prevented from directly blowing the user, and therefore body temperature loss caused by the fact that the body of the user is exposed out of the water surface is avoided. And when the deflection angle of the air deflector at the individual return air outlet is adjusted, the temperature in the corresponding range of other return air outlets cannot fluctuate to a large extent, and the influence on the indoor temperature distribution uniformity is reduced. Through setting up independent heat transfer wind channel and new trend wind channel, but concurrent operation heat transfer mode and new trend mode, in bathroom or bathing pool this type of inclosed environment, when guaranteeing suitable indoor temperature, can also guarantee indoor air and external circulation, reduce bacterial growing.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a schematic overall three-dimensional structure diagram of an air conditioner indoor unit provided by the utility model;

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

FIG. 3 is a top view of an indoor unit of an air conditioner according to the present invention;

fig. 4 is a sectional view of the air conditioning indoor unit of fig. 3 at a-a;

fig. 5 is a sectional view of the air conditioning indoor unit of fig. 3 at B-B;

reference numerals:

1. a housing; 11. A top portion; 111. A fresh air inlet;

12. a bottom; 121. A fresh air outlet; 13. A side portion;

131. an air return inlet; 132. An air return outlet; 2. An air deflector;

3. an evaporator; 4. A first fan; 51. A first separator;

52. a second separator; 521. An air guide surface; 53. A third partition plate;

54. a fourth separator; 61. An air guide channel; 62. A flow guide channel;

63. a fresh air outlet cavity; 64. A fresh air input channel; 7. And a computer control panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for the sake of clarity in describing the numbering of the components of the product and do not represent any substantial difference, unless explicitly stated or limited otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An air conditioning indoor unit of the present invention will be described with reference to fig. 1 to 5.

The utility model provides an air-conditioning indoor unit, which is characterized in that fig. 1 is a schematic overall three-dimensional structure diagram of the air-conditioning indoor unit provided by the utility model, fig. 2 is a front view of the air-conditioning indoor unit provided by the utility model, and fig. 3 is a top view of the air-conditioning indoor unit provided by the utility model.

The air-conditioning indoor unit provided by the embodiment of the utility model comprises a shell 1, wherein the shell 1 comprises a top part 11, a bottom part 12 and a side part 13, and the side part 13 is connected between the top part 11 and the bottom part 12. The housing 1 is provided with a fresh air inlet 111, a return air inlet 131, a fresh air outlet 121 and a plurality of return air outlets 132. The inside of casing 1 is equipped with mutually independent heat transfer wind channel and new wind channel, and new wind entry 111 is linked together through the new wind channel with new wind export 121, and return air entry 131 is linked together through the heat transfer wind channel with a plurality of return air exports 132. The fresh air outlet 121 is arranged at the bottom 12, the return air outlets 132 are arranged at the side 13 along the circumferential direction of the casing 1 at intervals, and each return air outlet 132 can be rotatably provided with an air deflector 2.

Wherein, this machine in air conditioning still includes evaporimeter 3 and first fan 4, and evaporimeter 3 and first fan 4 all set up in the heat transfer wind channel, and first fan 4 is used for driving air to get into the heat transfer wind channel from return air entry 131 and blows out from return air export 132 after carrying out the heat transfer with evaporimeter 3, realizes the circulation heat transfer to the room air. The fresh air duct is used for guiding fresh air entering from the outdoor space to the fresh air outlet 121 and discharging the fresh air into the indoor space, so that indoor ventilation is realized.

In the use state of the air conditioning indoor unit provided by the embodiment of the utility model, the top part 11 and the bottom part 12 are vertically arranged, namely the top part 11 faces upwards, and the bottom part 12 faces downwards. The air deflector 2 is horizontally arranged and used for adjusting the air outlet angle of the return air outlet 132 in the up-down direction. The cross-sectional profile of the side portion 13 in a horizontal plane may be circular or polygonal. In the case of a circular cross section, the plural return air outlets 132 are evenly distributed in the circumferential direction of the side portion 13.

In the case of a polygonal cross-section, as shown in fig. 1 and 3, the side portion 13 includes a plurality of side plates which are connected in series and enclose the top portion 11 and the bottom portion 12 to form a hollow housing structure, wherein the plurality of side plates may be integrally formed. The return air outlets 132 are provided on the side plates in a one-to-one correspondence. Each return air outlet 132 discharges air to the side of the side panel on which it is located. For example, the side portion 13 includes four side plates, and four return air outlets 132 are provided correspondingly, and the four return air outlets 132 supply air in four directions, respectively.

In the air-conditioning indoor unit provided by the embodiment of the utility model, the independent heat exchange air channel and the independent fresh air channel are arranged, the fresh air outlet is arranged at the bottom 12 of the shell 1, the multiple return air outlets 132 distributed along the peripheral side of the shell 1 are arranged at the side part 13 of the shell 1, and the air deflector 2 can be rotatably arranged at each indoor return air outlet 132, so that the air conditioner can blow heat exchange air from multiple directions on the peripheral side of the shell 1 while blowing fresh air, thereby meeting the heat exchange requirements of different directions and different angles and ventilating the whole space. In a bathroom or a bathing pool in a closed environment, the circulation of indoor air and the outside can be ensured while the proper indoor temperature is ensured, and the breeding of bacteria is reduced.

The deflection angle of the air deflector 2 close to the return air outlet 132 of the user can be adjusted according to the position of the user, so that the air outlet direction of one side of the indoor unit of the air conditioner can be independently adjusted, hot air can be blown to the user or cold air can be prevented from being blown directly to the user, and the body of the user can be prevented from being lost temperature due to the fact that the body of the user is exposed out of the water. And while adjusting the deflection angle of the air deflector at the individual return air outlet 132, the air deflectors of other return air outlets 132 can continue to maintain the current state, so that the temperature in the range corresponding to other return air outlets 132 cannot fluctuate greatly due to the adjustment of the air deflector of the return air outlet 132, thereby reducing the influence on the indoor temperature distribution uniformity.

According to some embodiments of the present invention, the indoor unit of the air conditioner further includes a thermal imaging device (not shown in the drawings) for collecting thermal imaging information of a human body within a range corresponding to the plurality of return air outlets 132, and the thermal imaging device is communicatively connected to the driving device of each air deflector 2. Specifically, the thermal imaging device and the driving device of the air deflector are respectively in communication connection with the computer control panel, and the controller on the computer control panel judges whether a human body set area is exposed out of the water surface according to the received human body thermal imaging information.

When it is determined that the human body setting area exists in the range corresponding to a certain return air outlet 132 and is exposed out of the water surface, the air deflector at the return air outlet 132 is controlled to deflect, so as to adjust the air outlet direction of the return air outlet 132. If the cooling mode is adopted, the cold air is prevented from blowing in the direction of directly blowing the human body; in the heating mode, hot air is blown in the direction of the user.

Optionally, the thermal imaging devices are mounted on the housing 1, the number of the thermal imaging devices is multiple, and the multiple return air outlets 132 are provided with multiple thermal imaging devices in a one-to-one correspondence, so as to obtain a wider range of human thermal imaging information collection. For example, when there are four return air outlets 132, four thermal image forming devices are installed at the housing 1 at positions corresponding to the four return air outlets 132.

Fig. 4 is a sectional view of the air conditioning indoor unit of fig. 3 taken at a-a, and fig. 5 is a sectional view of the air conditioning indoor unit of fig. 3 taken at B-B. The following embodiments of the present invention each describe the structure of the air conditioning indoor unit in a view angle in a use state (as shown in fig. 2, 4, and 5). The top 11 of the indoor air conditioner is provided with a mounting hole, and the indoor air conditioner is fixedly mounted with the top of an indoor space through the mounting hole in the top 11.

According to some embodiments of the utility model, the fresh air outlet 121 is disposed at the bottom 12 of the housing 1. In use, the air conditioning indoor unit is attached to the middle area of the ceiling of the indoor space via the ceiling 11. Under the condition that the air conditioner operates in a heat exchange mode and a fresh air mode simultaneously, fresh air is blown out from the bottom 12 of the shell 1 to the center of the indoor space; the ventilation air is blown out from the circumferential side of the casing 1 to a plurality of sides, and the direction of the ventilation air blown out from any one side can be adjusted by adjusting the air guide plate 2 at the return air outlet 132 of the corresponding side.

According to some embodiments of the present invention, the return air inlet 131 is provided to the side portion 13 and is arranged along the peripheral side of the housing 1. One of the return air inlet 131 and the return air outlet 132 is near the top 11 and the other is near the bottom 12. By providing the return air inlet 131 in the side portion 13 along the peripheral side of the housing 1, the indoor air can enter the housing 1 from a plurality of directions of the side portion 13, which is advantageous for circulation of the indoor air. Wherein, the return air inlet 131 is provided with an air inlet grille.

According to some embodiments of the present invention, the number of the return air inlets 131 may be one, that is, the entire return air inlet 131 provided along the circumferential side of the housing 1. The number of the return air inlets 131 may be plural, and the arrangement of the plural return air inlets 131 is the same as that of the plural return air outlets 132, that is, the plural return air inlets 131 are provided at the side portion 13 at intervals in the circumferential direction of the casing 1. The number of return air inlets 131 may be the same as or different from the number of the plurality of return air outlets 132.

According to some embodiments of the present invention, the side portion 13 includes an air inlet portion and an air outlet portion, the return air inlet 131 is located in the air inlet portion, the return air outlet 132 is located in the air outlet portion, the air inlet portion is located proximate to the top portion 11, and the air outlet portion is located proximate to the bottom portion 12. The air outlet part is tapered in the direction from the top part 11 to the bottom part 12. In this way, the return air outlet 132 provided in the air outlet portion can be directed to the side of the bottom portion 12 away from the ceiling portion 11, and when the indoor unit of the air conditioner is attached to the ceiling portion of the indoor space via the ceiling portion 11, the plurality of return air outlets 132 can supply air to the lower space on the peripheral side of the indoor unit of the air conditioner. When the side sections 13 are formed by a plurality of side panels, the return air inlet 131 on each side panel is adjacent the top section 11 and the return air outlet 132 is adjacent the bottom section 12.

According to some embodiments of the present invention, the evaporator 3 is disposed around the first fan 4 and connected to the casing 1 to divide the heat exchange air duct into an air inlet duct and an air outlet duct. The return air inlet 131 is communicated with the air inlet duct, and the return air outlet 132 is communicated with the air outlet duct. The first fan 4 is used for driving indoor air to flow through the return air inlet 131, the air inlet duct, the evaporator 3 and the air outlet duct in sequence and then blow out from the return air outlets 132.

Specifically, as shown in fig. 5, the first fan 4 is an axial fan, and a rotating shaft thereof is arranged in a vertical direction. The evaporator 3 is disposed around a rotation shaft of the first fan 4. The first fan 4 is disposed opposite to the return air inlet 131 in the height direction. When the first fan 4 is operated, the blades thereof push the air above the first fan to flow downward and blow out from the plurality of return air outlets 132 below. The air pressure above the blades is reduced to drive the indoor air outside the casing 1 from the upper return air inlet 131 into the upper space of the first fan 4 in the heat exchange air duct. The indoor air is driven to perform circulating heat exchange through the heat exchange air duct in a reciprocating manner. The dashed arrows in fig. 5 show the direction of air flow in the heat exchange duct.

As shown in fig. 5, the side portion 13 is provided with a first partition 51 extending toward the inside of the casing 1 along the circumferential direction thereof, and the first partition 51 is located between the return air inlet 131 and the plurality of return air outlets 132. Both ends of the evaporator 3 are connected to the top 11 and the first partition plate 51, respectively, and an intake air duct is formed between the first partition plate 51 and the top 11. Optionally, the evaporator 3 surrounds the outer periphery of the first fan 4 and is in an annular cylindrical structure. The first partition plate 51 is correspondingly arranged into a ring shape, the upper end of the evaporator 3 is connected with the top part 11, the lower end of the evaporator is connected with the first partition plate 51, and the air inlet side of the evaporator 3 is opposite to the return air inlet 131. By arranging the first partition plate 51, the air entering the air inlet channel is guided to the evaporator 3 without being mixed with the air flowing to the return air outlet 132, thereby improving the heat exchange efficiency.

According to some embodiments of the present invention, as shown in fig. 1 and 4, the fresh air inlet 111 is disposed at the top portion 11 and the fresh air outlet 121 is disposed at the bottom portion 12. The number of the return air inlets 131 is plural, and the plural return air inlets 131 are provided at the side portion 13 at intervals in the circumferential direction of the casing 1 and are provided in one-to-one correspondence with the plural return air outlets 132. The positions of the side portion 13 between every two adjacent return air inlets 131 and between two adjacent return air outlets 132 are provided with air guide channels 61, and two ends of each air guide channel 61 are respectively communicated with the fresh air inlet 111 and the fresh air outlet 121 to form a fresh air duct.

Specifically, the inner wall of the side portion 13 is provided with an air guide passage wall, and the air guide passage wall and the side portion 13 enclose to form an air guide passage 61. Alternatively, the air guide passage 61 is a guide groove formed in the side portion 13. The air guide channel 61 is used for guiding fresh air entering from the fresh air inlet 111 of the top portion 11 to the fresh air outlet 121 of the bottom portion 12. The number of the air guide passages 61 is the same as that of the return air inlets 131. Two ends of the air guide channels 61 are respectively communicated with the fresh air inlet 111 and the fresh air outlet 121 to form a fresh air channel independent of the heat exchange air channel. By arranging the air guide channel 61 on the side portion 13, a heat exchange air duct with a large space is formed inside the housing 1, and the flow of air flow in the heat exchange air duct is not substantially affected.

Optionally, the air conditioning indoor unit includes a plurality of side panels, and the side panels are arranged to form the side portion 13. The side plates may be integrally formed to form the side portion 13, or may be fixedly connected to enclose the side portion 13. The plurality of return air inlets 131 and the plurality of return air outlets 132 are disposed on the plurality of side plates in a one-to-one correspondence, that is, each side plate is provided with a return air inlet 131 and a return air outlet 132. Wherein, the return air inlet 131 is positioned above the return air outlet 132; alternatively, the return air inlet 131 is located below the return air outlet 132. And the joint of every two adjacent side plates is provided with an air guide channel 61. For example, the side portion 13 is formed by surrounding four side plates, and four air guide passages 61 are correspondingly provided. As shown in fig. 3 and 4, the four air guiding passages 61 are respectively located at four corners of the side portion 13 to fully utilize the corner space inside the casing 1.

According to some embodiments of the present invention, the top portion 11 is provided with a plurality of flow guiding channels 62, the plurality of air guiding channels 61 are disposed in one-to-one correspondence with the plurality of flow guiding channels 62, and the air guiding channels 61 are communicated with the fresh air inlet 111 through the flow guiding channels 62.

Specifically, the fresh air inlet 111 is a through hole provided in the top portion 11. The inner surface of the top 11 is provided with a plurality of flow guide grooves, one ends of the flow guide grooves are communicated with the fresh air inlet 111, and the other ends of the flow guide grooves are communicated with the air guide channel 61. A fourth partition plate 54 is further disposed in the casing 1, and the fourth partition plate 54 is attached to the inner surface of the top portion 11 to form a plurality of flow guide channels 62 surrounded by the plurality of flow guide grooves. The fresh air entering from the fresh air inlet 111 is divided into a plurality of air guide channels 61 by a plurality of flow guide channels 62, and finally reaches the fresh air outlet 121. Wherein the fourth partition plate 54 may be integrally formed with the top 11 of the case 1.

Alternatively, the fresh air inlet 111 includes a plurality of through holes provided in the top 11. The inner wall of the top part 11 is provided with a flow guide channel wall, the flow guide channel wall and the top part 11 are arranged in an enclosing manner to form a flow guide channel 62, and the flow guide channels 62 are communicated with the through holes in a one-to-one correspondence manner.

According to some embodiments of the present invention, as shown in fig. 4 and 5, the inside of the case 1 is provided with a second partition 52. The heat exchange air duct is formed between the second partition plate 52 and the top 11, the fresh air outlet cavity 63 is formed between the second partition plate 52 and the bottom 12, and the air guide channel 61 is communicated with the fresh air outlet 121 through the fresh air outlet cavity 63. Wherein, the fresh air outlet 121 is provided with an air outlet grille. The fresh air discharged from the air guide channels 61 enters the fresh air outlet cavity 63 and is mixed in the fresh air outlet cavity 63 and then discharged from the fresh air outlet 121, so that the air outlet of the fresh air is uniform.

When the flow guide channel 62 and the fresh air outlet cavity 63 are simultaneously arranged, the flow guide channel 62, the air guide channel 61 and the fresh air outlet cavity 63 are sequentially communicated to form a fresh air duct independent of the heat exchange air duct. The dotted arrows in fig. 4 show the direction of the air flow in the fresh air duct.

According to some embodiments of the present invention, as shown in fig. 4 and 5, the indoor unit of an air conditioner further includes a computer control panel 7, and a third partition 53 is disposed between the second partition 52 and the bottom 12. The second partition plate 52 and the third partition plate 53 enclose a containing space, and the computer control board 7 is disposed in the containing space.

Because the heat exchange air duct is arranged above the accommodating space and the fresh air duct is arranged below the accommodating space, the computer board can be effectively prevented from generating condensed water, and the computer board is protected.

According to some embodiments of the present invention, a plurality of air guiding surfaces 521 are disposed on a side of the second partition 52 away from the fresh air outlet cavity 63, the plurality of air guiding surfaces 521 are disposed in one-to-one correspondence with the plurality of return air outlets 132, and an end of the air guiding surface 521 near the air outlet side thereof is connected to the return air outlet 132 so as to guide the indoor return air after heat exchange to the direction of the return air outlet 132.

Specifically, the air guide surface 521 is an inclined surface having one end inclined obliquely downward, and the inclined end thereof is connected to the lower edge of the return air outlet 132. The plurality of air guide surfaces 521 are connected to form a flow guide structure gradually expanding from top to bottom in the vertical direction, so that the flow guide of the plurality of return air outlets 132 entering the air outlet duct is facilitated. Alternatively, the air guiding plate 2 may be deflected to have one end abutting against the air guiding surface 521, so that the air guiding surface 521 and the air guiding plate 2 are connected to form a continuous air guiding structure, thereby preventing the air flow from passing between the air guiding plate 2 and the air guiding surface 521, and passing above the air guiding plate 2.

Further, when the edge of the air guide plate 2 abuts against the air guide surface 521, the air guide plate 2 is parallel to the horizontal plane or the air outlet end thereof is inclined upward with respect to the horizontal plane. Under the refrigeration mode, can effectually be with the air-cooling top water conservancy diversion to the upper space, effectively avoid cold wind directly to blow the human body.

According to some embodiments of the present invention, the indoor unit of an air conditioner further includes a fresh air input channel 64 and a second fan. The fresh air input channel 64 is connected to the fresh air inlet 111, and the second fan is used for driving outdoor fresh air to enter the fresh air duct from the fresh air input channel 64 and blow out from the fresh air outlet 121. Wherein, the second fan can be installed in the fresh air input channel. Alternatively, the second fan is mounted outside the fresh air input channel 64 and on a device or mechanism connected to the fresh air input channel 64. An air door is arranged in the fresh air input channel 64, and when the air conditioner needs to operate in a fresh air mode, fresh air can be introduced indoors by opening the air door.

Wherein, thermal imaging device still is used for gathering the human thermal imaging information of new trend export 121 corresponding within range, and thermal imaging device still with second fan communication connection. Optionally, the thermal imaging device and the second fan are respectively in communication connection with a computer control board, and a controller on the computer control board controls the wind speed of the second fan according to human thermal imaging information in a range corresponding to the fresh air outlet 121 acquired by the thermal imaging device.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. An indoor unit of an air conditioner is characterized by comprising a shell, wherein the shell comprises a top part, a bottom part and a side part, the side part is connected between the top part and the bottom part, and the shell is provided with a fresh air inlet, a return air inlet, a fresh air outlet and a plurality of return air outlets; the shell is internally provided with a heat exchange air channel and a fresh air channel which are mutually independent, the fresh air inlet is communicated with the fresh air outlet through the fresh air channel, and the return air inlet is communicated with the return air outlets through the heat exchange air channels; the fresh air outlet is arranged at the bottom, the return air outlets are arranged at the side part at intervals along the circumferential direction of the shell, and each return air outlet is rotatably provided with an air deflector.

2. An indoor unit of an air conditioner according to claim 1, wherein the return air inlet is provided in the side portion and arranged along a peripheral side of the casing, and one of the return air inlet and the return air outlet is close to the top portion and the other is close to the bottom portion.

3. The indoor unit of claim 2, wherein the side portion comprises an air inlet portion and an air outlet portion, the air inlet portion is disposed at the air inlet portion, the air outlet portion is disposed at the air outlet portion, the air inlet portion is close to the top portion, the air outlet portion is close to the bottom portion, and the air outlet portion is tapered in a direction from the top portion to the bottom portion.

4. The indoor unit of claim 2, further comprising an evaporator and a first fan, both disposed in the heat exchange air duct; the evaporator is arranged around the first fan and connected with the shell to divide the heat exchange air channel into an air inlet channel and an air outlet channel, the return air inlet is communicated with the air inlet channel, and the return air outlet is communicated with the air outlet channel; the first fan is used for driving indoor air to sequentially flow through the return air inlet, the air inlet duct, the evaporator and the air outlet duct and then blow out from the return air outlets.

5. An indoor unit of an air conditioner according to claim 4, wherein the side portion is provided with a first partition extending toward the inside of the casing along a circumferential direction thereof, the first partition being located between the return air inlet and the plurality of return air outlets; the two ends of the evaporator are respectively connected with the top and the first partition plate, and the air inlet duct is formed between the top and the first partition plate.

6. The indoor unit of claim 1, wherein the fresh air inlet is provided at the top, the number of the return air inlets is plural, and the plural return air inlets are provided at the side part at intervals along the circumferential direction of the casing and are provided in one-to-one correspondence with the plural return air outlets; and the positions of the side parts between every two adjacent return air inlets and between every two adjacent return air outlets are provided with air guide channels, and two ends of each air guide channel are respectively communicated with the fresh air inlet and the fresh air outlet to form the fresh air channel.

7. An indoor unit of an air conditioner as claimed in claim 6, wherein a plurality of flow guide channels are provided on the top, a plurality of the flow guide channels are provided in one-to-one correspondence with the plurality of flow guide channels, and the flow guide channels are communicated with the fresh air inlet through the flow guide channels.

8. An indoor unit of an air conditioner as claimed in claim 6, wherein a second partition is provided inside the casing, the heat exchange air duct is formed between the second partition and the top, a fresh air outlet cavity is formed between the second partition and the bottom, and the air guide channel is communicated with the fresh air outlet through the fresh air outlet cavity.

9. An indoor unit of an air conditioner as claimed in claim 8, further comprising a computer control panel, wherein a third partition is disposed between the second partition and the bottom, the second partition and the third partition enclose a receiving space, and the computer control panel is disposed in the receiving space.

10. The indoor unit of claim 8, wherein a plurality of air guide surfaces are disposed on a side of the second partition plate facing away from the fresh air outlet cavity, the plurality of air guide surfaces are disposed in one-to-one correspondence with the plurality of return air outlets, and one end of the air guide surface close to the air outlet side of the air guide surface is connected to the return air outlet so as to guide the heat exchanged indoor return air to the direction of the return air outlet.

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