Air duct assembly and floor air conditioner with same

Abstract

The air duct assembly comprises a bottom shell and an air duct cover plate, a first air inlet, a second air inlet and a first air duct are defined by the bottom shell, the first air inlet and the second air inlet communicate with a heat exchanger and the interior of the bottom shell, and the first air duct communicates with the first air inlet and the second air inlet. The air duct cover plate is arranged on the front side of the bottom shell, an air outlet is defined by the air duct cover plate, the air outlet is opposite to the second air inlet, the first air inlet and the air outlet are further communicated through the first air duct, and the air outlet is configured to allow air entering from the first air inlet and flowing through the first air duct and air entering from the second air inlet to flow out together. The airflow from the first air duct and the air from the second air inlet are mutually boosted at the air outlet, so that the air is sent farther, the air duct assembly achieves long-distance air outlet, in addition, the air outlet amount is large, and the indoor temperature can be rapidly controlled.

Description

Technical Field

[0001] The invention relates to the technical field of air conditioning, and in particular to an air duct component and a vertical air conditioner having the same. Background Art

[0002] In the hot summer, users usually turn on the air conditioner to lower the room temperature. However, based on the current air outlet structure design of the air conditioner, the air outlet distance is generally short, and it takes a long time to lower the overall room temperature. Therefore, how to improve the air conditioner structure to achieve rapid reduction of room temperature is an urgent problem that needs to be solved. Summary of the invention

[0003] An object of the present invention is to provide an air duct assembly with a long air outlet distance.

[0004] A further object of the present invention is to provide an air duct assembly with a large air output.

[0005] In particular, the present invention provides an air duct assembly, comprising:

[0006] A bottom shell, defining a first air inlet, a second air inlet and a first air duct, wherein the first air inlet and the second air inlet are both connected to the heat exchanger and the interior of the bottom shell, and the first air duct is connected to the first air inlet and the second air inlet;

[0007] The air duct cover is arranged on the front side of the bottom shell, and the air duct cover defines an air outlet, and the air outlet is opposite to the second air inlet. The first air duct also connects the first air inlet and the air outlet, and the air outlet is configured to allow air that enters from the first air inlet and flows through the first air duct and air that enters from the second air inlet to flow out together.

[0008] Optionally, the air duct assembly further includes:

[0009] A first driving device is disposed at the first air inlet, and the first driving device is configured to force the air near the first air inlet to flow toward the air outlet through the first air duct.

[0010] Optionally, the first driving device includes a first centrifugal fan and a first motor, the first centrifugal fan is arranged at the first air inlet, and the motor shaft of the first motor passes through the air duct cover plate from a position in front of the air duct cover plate corresponding to the first air inlet to cooperate with the first centrifugal fan and drive the first centrifugal fan to rotate.

[0011] Optionally, the air duct assembly further includes:

[0012] A second driving device is disposed at the second air inlet, and the second driving device is configured to force the air near the second air inlet to flow toward the air outlet.

[0013] Optionally, the air duct assembly further includes:

[0014] An air guide grille, the air guide grille is arranged between the second air inlet and the air outlet, the air guide grille defines a second air duct, the second air duct connects the second air inlet and the air outlet, and the second air duct is connected to the first air duct, wherein

[0015] The first driving device causes the air near the first air inlet to flow through the first air duct to the second air duct and then to the air outlet;

[0016] The second driving device causes the air near the second air inlet to flow toward the air outlet through the second air duct.

[0017] Optionally, the bottom shell further defines a third air inlet and a third air duct, the third air inlet is connected to the heat exchanger and the interior of the bottom shell, and the third air duct is connected to the second air duct; and

[0018] The air duct assembly also includes a third driving device, which is arranged at the third air inlet and configured to force the air near the third air inlet to flow through the third air duct to the second air duct and then to the air outlet.

[0019] Optionally, the third driving device includes a second centrifugal fan and a second motor, the second centrifugal fan is arranged at the third air inlet, and the motor shaft of the second motor passes through the air duct cover plate from a position in front of the air duct cover plate corresponding to the third air inlet to cooperate with the second centrifugal fan and drive the second centrifugal fan to rotate.

[0020] Optionally, the first air inlet is located above the second air inlet, and the third air inlet is located below the second air inlet.

[0021] Optionally, the heat exchanger is arranged on the rear side of the bottom shell and corresponds to the first air inlet, the second air inlet and the third air inlet.

[0022] According to another aspect of the present invention, a vertical air conditioner is also provided, comprising:

[0023] An air duct assembly as described in any one of the above items; and

[0024] An air inlet grille is arranged at the rear side of the bottom shell, and the air inlet grille is connected to the inside and outside.

[0025] The present invention proposes an air duct assembly and a vertical air conditioner having the same, wherein the air duct assembly includes a bottom shell and an air duct cover. The bottom shell defines a first air inlet, a second air inlet and a first air duct, the first air inlet and the second air inlet are both connected to the heat exchanger and the inside of the bottom shell, and the first air duct is connected to the first air inlet and the second air inlet. The air duct cover is arranged on the front side of the bottom shell, the air duct cover defines an air outlet, the air outlet and the second air inlet are opposite, the first air duct also connects the first air inlet and the air outlet, and the air outlet is configured to allow air entering from the first air inlet and flowing through the first air duct and air entering from the second air inlet to flow out together. The airflow from the first air duct and the air from the second air inlet boost each other at the air outlet, so that the air is sent farther, and the air duct assembly realizes long-distance air outlet. In addition, the air outlet volume is also large, and the indoor temperature can be quickly controlled.

[0026] Furthermore, the air duct assembly also includes a first drive device and a second drive device, wherein the first drive device is arranged at the first air inlet, and the first drive device is configured to cause the air near the first air inlet to flow to the air outlet through the first air duct, and the second drive device is arranged at the second air inlet, and the second drive device is configured to cause the air near the second air inlet to flow to the air outlet, and the air driven by the second drive device and the first drive device push each other at the air outlet, so that the air can be delivered farther, thereby realizing long-distance air delivery of the air duct assembly and a large air output, thereby realizing rapid control of indoor temperature.

[0027] Furthermore, the bottom shell further defines a third air inlet and a third air duct, wherein the third air inlet is located below the second air inlet, the third air inlet is connected to the heat exchanger and the inside of the bottom shell, and the third air duct is connected to the second air duct defined by the air guide grille through the ventilation area of ​​the air guide grille. The second driving device is placed in the center, and the second driving device disturbs the air to be discharged forward, and the airflow from the first air duct, the airflow from the second air duct, and the airflow from the third air duct mutually boost each other at the air outlet, so that the air can be sent farther, and the long-distance air delivery is realized while disturbing the air circulation, thereby realizing rapid control of indoor temperature.

[0028] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below.

[0029] Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will become more aware of the above and other objects, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0031] Figure 1 is a schematic diagram of the overall structure of an air duct assembly according to an embodiment of the present invention;

[0032] Figure 2 yes Figure 1 Section view along section AA;

[0033] Figure 3 is an exploded view of an air duct assembly according to one embodiment of the present invention;

[0034] Figure 4 is a schematic structural block diagram of a vertical air conditioner according to an embodiment of the present invention. DETAILED DESCRIPTION

[0035] Refer to the following Figures 1 to 4 The air duct assembly of the present invention and the vertical air conditioner having the same are described in the following. The directions or positional relationships indicated by "front", "rear", "upper", "lower", "top", "bottom", "inner", "outer", "lateral", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention.

[0036] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first", "second", etc. may explicitly or implicitly include at least one of the features, that is, include one or more of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. When a feature "includes or contains" one or some of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and may further include other features.

[0037] Figure 1 is a schematic diagram of the overall structure of an air duct assembly according to an embodiment of the present invention; Figure 2 yes Figure 1 Section view along section AA; Figure 3 is an exploded view of an air duct assembly according to an embodiment of the present invention.

[0038] See also Figure 1-3As shown, the air duct assembly 10 at least includes a bottom shell 100 and an air duct cover plate 200. The bottom shell 100 defines a first air inlet 120, a second air inlet 110 and a first air duct 141, the first air inlet 120 and the second air inlet 110 are both connected to the heat exchanger 600 and the inside of the bottom shell 100, the first air inlet 120 can be optionally located above the second air inlet 110, the first air duct 141 is formed on the front side of the bottom shell 100, and the first air duct 141 connects the first air inlet 120 and the second air inlet 110. The air duct cover 200 is arranged on the front side of the bottom shell 100, and the air duct cover 200 defines an air outlet 210. The air outlet 210 is opposite to the second air inlet 110. The first air duct 141 also connects the first air inlet 120 and the air outlet 210. The air outlet 210 is configured to allow air that enters from the first air inlet 120 and flows through the first air duct 141 and air that enters from the second air inlet 110 to flow out together.

[0039] In the embodiment of the present invention, the air entering from the first air inlet 120 and flowing through the first air duct 141 and the air from the second air inlet 110 push each other at the air outlet 210, so that the air is delivered farther, realizing long-distance air outlet of the air duct assembly 10. In addition, the air outlet volume is also large, which can realize rapid control of indoor temperature.

[0040] In some preferred or alternative embodiments of the present invention, the air duct assembly 10 also includes a first driving device 400, which is disposed at the first air inlet 120, and the first driving device 400 is configured to cause the air near the first air inlet 120 to flow toward the air outlet 210 through the first air duct 141.

[0041] In some preferred or alternative embodiments of the present invention, the first driving device 400 includes a first centrifugal fan 410 and a first motor 420. The first centrifugal fan 410 is arranged at the first air inlet 120. The motor shaft of the first motor 420 passes through the air duct cover plate 200 from a position in front of the air duct cover plate 200 corresponding to the first air inlet 120 and cooperates with the first centrifugal fan 410 to drive the first centrifugal fan 410 to rotate around the motor shaft of the first motor 420.

[0042] In some preferred or alternative embodiments of the present invention, a first receiving groove 230 with an opening facing forward and recessed backward is formed at a position of the air duct cover plate 200 corresponding to the first centrifugal fan 410, and the first motor 420 is disposed in the first receiving groove 230. The motor shaft of the first motor 420 passes through the bottom wall of the first receiving groove 230 and then cooperates with the first centrifugal fan 410. In addition, the air duct assembly 10 further includes a first motor gland 900, which covers the first motor 420 and is fixedly connected to the air duct cover plate 200 so that the first motor 420 is fixedly disposed in the first receiving groove 230.

[0043] Among them, a plurality of first threaded holes 910 are arranged around the first motor cover 900, and a plurality of second threaded holes 250 corresponding to the positions of the plurality of first threaded holes 910 around the first motor cover 900 are arranged on the air duct cover plate 200 around the first receiving groove 230, wherein the first motor cover 900 is fixedly connected to the air duct cover plate 200 by a plurality of screws that pass through the corresponding first threaded holes 910 and the second threaded holes 250 in sequence.

[0044] Specifically, four first threaded holes 910 may be evenly arranged around the first motor pressure cover 900, and four second threaded holes 250 may be evenly arranged on the air duct cover plate 200 around the first receiving groove 230, and the four first threaded holes 910 and the four second threaded holes 250 correspond one to one.

[0045] It should be noted that the number and position of the first threaded holes 910 on the first motor gland 900 and the second threaded holes 250 on the air duct cover plate 200 around the first receiving groove 230 can be determined according to actual needs, and the present invention does not specifically limit them.

[0046] In some preferred or alternative embodiments of the present invention, the air duct assembly 10 further includes a second driving device 300 , which is disposed at the second air inlet 110 and configured to force air near the second air inlet 110 to flow toward the air outlet 210 .

[0047] The second driving device 300 may optionally be an axial flow fan.

[0048] The air driven by the second driving device 300 and the first driving device 400 push each other at the air outlet 210, so that the air can be delivered farther, realizing long-distance air delivery of the air duct assembly 10 with a large air output, thereby realizing rapid control of indoor temperature.

[0049] In some preferred or alternative embodiments according to the present invention, the air duct assembly 10 further includes an air guide grille 800, which is disposed between the second air inlet 110 and the air outlet 210, and defines a columnar second air duct 810, the second air duct 810 connects the second air inlet 110 and the air outlet 210, and the second air duct 810 connects the first air duct 141, wherein the first driving device 400 causes the air near the first air inlet 120 to flow to the second air duct 810 and then to the air outlet 210 through the first air duct 141. The second driving device 300 causes the air near the second air inlet 110 to flow to the air outlet 210 through the second air duct 810.

[0050] The air guide grille 800 is columnar, and the peripheral wall of the air guide grille 800 forms a plurality of ventilation areas connecting the inside and outside of the air guide grille 800 . The first air duct 141 is connected to the second air duct 810 defined by the air guide grille 800 through the ventilation areas on the air guide grille 800 .

[0051] Among them, the first driving device 400 causes the air near the first air inlet 120 to form an airflow that flows through the first air duct 141, the ventilation area of ​​the air guide grille 800, and the second air duct 810 to the air outlet 210. The second driving device 300 causes the air near the second air outlet 210 to form an airflow that flows through the second air duct 810 to the air outlet 210. The two airflows boost each other at the air outlet 210, thereby delivering the air farther, thereby realizing long-distance air delivery of the air duct assembly 10.

[0052] In some preferred or alternative embodiments of the present invention, the base shell 100 further defines a third air inlet 130 and a third air duct 142. The third air inlet 130 is located below the second air inlet 110. The third air inlet 130 connects the heat exchanger 600 and the interior of the base shell 100. The third air duct 142 connects the second air duct 810 defined by the air guide grille 800 through the ventilation area of ​​the air guide grille 800.

[0053] Among them, the second driving device 300 is placed in the center, and the second driving device 300 disturbs the air to be discharged forward. The airflow from the first air duct 141, the airflow from the second air duct 810 and the airflow from the third air duct 142 push each other at the air outlet 210, and send the air farther, realizing long-distance air delivery while disturbing the air circulation, thereby realizing rapid control of indoor temperature.

[0054] Among them, the first air inlet 120, the second air inlet 110 and the third air inlet 130 can be circular air inlets.

[0055] It should be noted that the shapes of the first air inlet 120 , the second air inlet 110 , and the third air inlet 130 may be determined according to actual conditions, and the present invention does not specifically limit them.

[0056] In some preferred or alternative embodiments according to the present invention, the third driving device 500 includes a second centrifugal fan 510 and a second motor 520. The second centrifugal fan 510 is arranged at the third air inlet 130. The motor shaft of the second motor 520 passes through the air duct cover plate 200 from a position in front of the air duct cover plate 200 corresponding to the third air inlet 130, cooperates with the second centrifugal fan 510, and drives the second centrifugal fan 510 to rotate around the motor shaft of the second motor 520.

[0057] In some preferred or alternative embodiments according to the present invention, a second receiving groove 240 is formed at a position of the air duct cover plate 200 corresponding to the second centrifugal fan 510, and the second motor 520 is disposed in the second receiving groove 240. The motor shaft of the second motor 520 passes through the bottom wall of the second receiving groove 240 and cooperates with the second centrifugal fan 510. In addition, the air duct assembly 10 further includes a second motor gland 1000, which covers the second motor 520 and is fixedly connected to the air duct cover plate 200 so that the second motor 520 is fixedly disposed in the second receiving groove 240.

[0058] Among them, a plurality of third screw holes 1100 are arranged around the second motor cover 1000, and a plurality of fourth threaded holes 260 corresponding to the positions of the plurality of third threaded holes 1100 around the second motor cover 1000 are arranged on the air duct cover 200 around the second receiving groove 240. The second motor cover 1000 is fixedly connected to the air duct cover 200 by a plurality of screws that pass through the corresponding third threaded holes 1100 and fourth threaded holes 260 in sequence.

[0059] Specifically, four third threaded holes 1100 are evenly arranged around the second motor gland 1000, and four fourth threaded holes 260 are evenly arranged on the air duct cover plate 200 around the second receiving groove 240, and the four third threaded holes 1100 and the four fourth threaded holes 260 correspond one to one.

[0060] It should be noted that the number and position of the third threaded holes 1100 around the second motor gland 1000 and the fourth threaded holes 260 on the air duct cover plate 200 around the second receiving groove 240 can be determined according to actual needs, and the present invention does not specifically limit them.

[0061] In some preferred or alternative embodiments according to the present invention, the heat exchanger 600 is disposed at the rear side of the bottom case 100 , and the heat exchanger 600 corresponds to the second air inlet 110 , the first air inlet 120 , and the third air inlet 130 .

[0062] Among them, the heat exchanger 600 is an arched heat exchanger 600 that opens forward, and the heat exchanger 600 corresponds to the second air inlet 110, the first air inlet 120 and the third air inlet 130, so that the first driving device 400 causes the air near the first air inlet 120 that has been heated by the heat exchanger 600 to form an airflow that flows through the first air duct 141 to the second air duct 810 and then to the air outlet 210, the second driving device 300 causes the air near the second air inlet 120 that has been heated by the heat exchanger 600 to form an airflow that flows through the second air duct 810 to the air outlet 210, and the third driving device 500 causes the air near the third air inlet 130 that has been heated by the heat exchanger 600 to form an airflow that flows through the third air duct 142 to the second air duct 810 and then to the air outlet 210, thereby achieving temperature control of the entire room.

[0063] Based on the same inventive concept, the present invention also proposes a vertical air conditioner 1, Figure 4 is a schematic structural block diagram of a vertical air conditioner 1 according to an embodiment of the present invention. Figure 4 As shown, the vertical air conditioner 1 includes the air duct assembly 10 and the air inlet grille 700 in any of the above embodiments, wherein the air inlet grille 700 is arranged on the rear side of the bottom shell 100, and the inside and outside of the air inlet grille 700 are connected.

[0064] Specifically, the air inlet grille 700 is arranged at the rear side of the heat exchanger 600, and the air inlet grille 700 includes a body 710, a top plate 720 and a bottom plate 730, wherein the body 710 is arched with an opening facing forward, and a mesh air inlet is arranged on the body 710, and the body 710 corresponds to the heat exchanger 600. The top plate 720 is located above the body 710, and the bottom plate 730 is located below the body 710. Among them, the lower half of the first air inlet 120 corresponds to the heat exchanger 600, and the upper half of the first air inlet 120 corresponds to the body 710 of the air supply grille 700, that is, the top edge of the heat exchanger 600 is flush with the transverse center line of the first air inlet 120.

[0065] A plurality of fifth threaded holes 711 are sequentially provided on both sides of the body 710 from top to bottom. The bottom shell 100 includes a base plate 140 and a duct member 150 disposed on the front side of the base plate 140. The second air inlet 110, the first air inlet 120 and the third air inlet 130 are disposed on the base plate 140. The duct member 150 defines the first air duct 141 and the third air duct 142. Among them, a plurality of sixth threaded holes 143 are sequentially provided on both sides of the base plate 140 from top to bottom. The plurality of fifth threaded holes 711 on the body 710 and the plurality of sixth threaded holes 143 on the base plate 140 correspond to each other one by one. The base plate 140 and the body 710 are fixedly connected by a plurality of screws passing through the fifth threaded holes 711 and the sixth threaded holes 143 corresponding to the plurality of positions.

[0066] Specifically, four fifth threaded holes 711 are respectively provided on both sides of the main body 710 from top to bottom, and four sixth threaded holes 143 are also respectively provided on both sides of the substrate 140 from top to bottom, and the four fifth threaded holes 711 correspond to the four sixth threaded holes 143 one by one.

[0067] It should be noted that the number and position of the fifth threaded holes 711 on the main body 710 and the sixth threaded holes 143 on the base plate 140 can be determined according to actual needs, and the present invention does not make any specific limitation.

[0068] In some preferred or alternative embodiments according to the present invention, a plurality of seventh threaded holes 151 are respectively arranged on both sides of the duct member 150 in sequence from top to bottom, and a plurality of eighth threaded holes 220 are respectively arranged on both sides of the duct cover plate 200 in sequence from top to bottom. The plurality of seventh threaded holes 151 and the plurality of eighth threaded holes 220 correspond one to one, and the duct member 150 and the duct cover plate 200 are fixedly connected by a plurality of screws that pass through the eighth threaded holes 220 and the seventh threaded holes 151 corresponding to a plurality of positions in sequence.

[0069] Specifically, four seventh threaded holes 151 are arranged on both sides of the duct member 150 in sequence from top to bottom, and four eighth threaded holes 220 are arranged on both sides of the duct cover plate 200 in sequence from top to bottom, wherein the four seventh threaded holes 151 and the four eighth threaded holes 220 correspond one to one.

[0070] It should be noted that the number and position of the seventh threaded holes 151 on the air duct member 150 and the eighth threaded holes 220 on the air duct cover plate 200 can be determined according to actual needs, and the present invention does not make specific limitations.

[0071] The heat exchanger 600 mentioned above is an indoor heat exchanger, and the vertical air conditioner 1 also includes an outdoor heat exchanger, a compressor and a throttle valve, wherein the indoor heat exchanger, the compressor, the outdoor heat exchanger and the throttle valve are connected in sequence to form a cooling and heating cycle system of the vertical air conditioner 1.

[0072] The present invention provides an air duct assembly 10 and a vertical air conditioner 1 having the same, wherein the air duct assembly 10 at least comprises a bottom shell 100 and an air duct cover plate 200. The bottom shell 100 defines a first air inlet 120, a second air inlet 110 and a first air duct 141, wherein the first air inlet 120 and the second air inlet 110 are both connected to the heat exchanger and the inside of the bottom shell 100, the first air inlet 120 may be located above the second air inlet 110, and the first air duct 141 is formed on the front side of the bottom shell 100, and the first air duct 141 connects the first air inlet 120 and the second air inlet 110. The air duct cover plate 200 is disposed at the front side of the bottom shell 100, and the air duct cover plate 200 defines an air outlet 210, and the air outlet 210 is opposite to the second air inlet 110. The first air duct 141 also connects the first air inlet 120 and the air outlet 210, and the air outlet 210 is configured to allow the air that enters from the first air inlet 120 and flows through the first air duct 141 and the air that enters from the second air inlet 110 to flow out together. Among them, the airflow from the first air duct 141 and the air from the second air inlet 110 boost each other at the air outlet 210, so that the air is sent farther, and the air duct assembly 10 realizes long-distance air discharge. In addition, the air output is also large, and the indoor temperature can be quickly controlled.

[0073] Furthermore, the air duct assembly 10 also includes a first driving device 400 and a second driving device 300, wherein the first driving device 400 is arranged at the first air inlet 120, and the first driving device 400 is configured to cause the air near the first air inlet 120 to flow to the air outlet 210 through the first air duct 141, and the second driving device 300 is arranged at the second air inlet 110, and the second driving device 300 is configured to cause the air near the second air inlet 110 to flow to the air outlet 210. The air driven by the second driving device 300 and the first driving device 400 push each other at the air outlet 210, so that the air can be delivered farther, thereby realizing long-distance air delivery of the air duct assembly 10 and a large air output, thereby realizing rapid control of indoor temperature.

[0074] Furthermore, the bottom shell 100 further defines a third air inlet 130 and a third air duct 142. The third air inlet 130 is located below the second air inlet 110. The third air inlet 130 communicates with the heat exchanger 600 and the interior of the bottom shell 100. The third air duct 142 communicates with the second air duct 810 defined by the air duct 800 through the ventilation area of ​​the air duct grille 800. Among them, the second driving device 300 is placed in the center, and the second driving device 300 disturbs the air to be discharged forward. The airflow from the first air duct 141, the airflow from the second air duct 810, and the airflow from the third air duct 142 mutually promote each other at the air outlet 210, which can send the air farther, realize long-distance air delivery, and disturb the air circulation, thereby realizing rapid control of indoor temperature.

[0075] Unless otherwise defined, all terms (including technical terms and scientific terms) used in the description of this embodiment have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that within the spirit and principles of the present invention, the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not deviate from the protection scope of the present invention.

Claims

1. An air duct assembly, characterized in that: include: A bottom shell, defining a first air inlet, a second air inlet and a first air duct, wherein the first air inlet and the second air inlet are both connected to the heat exchanger and the interior of the bottom shell, and the first air duct is connected to the first air inlet and the second air inlet; The air duct cover is arranged on the front side of the bottom shell, and the air duct cover defines an air outlet, and the air outlet is opposite to the second air inlet. The first air duct also connects the first air inlet and the air outlet, and the air outlet is configured to allow air that enters from the first air inlet and flows through the first air duct and air that enters from the second air inlet to flow out together.

2. The air duct assembly according to claim 1, characterized in that: Also includes: A first driving device is disposed at the first air inlet, and the first driving device is configured to force the air near the first air inlet to flow toward the air outlet through the first air duct.

3. The air duct assembly according to claim 2, characterized in that The first driving device includes a first centrifugal fan and a first motor. The first centrifugal fan is arranged at the first air inlet. The motor shaft of the first motor passes through the air duct cover plate from a position in front of the air duct cover plate corresponding to the first air inlet to cooperate with the first centrifugal fan and drive the first centrifugal fan to rotate.

4. The air duct assembly according to claim 2, characterized in that: Also includes: A second driving device is disposed at the second air inlet, and the second driving device is configured to force the air near the second air inlet to flow toward the air outlet.

5. The air duct assembly according to claim 4, characterized in that: Also includes: An air guide grille, the air guide grille is arranged between the second air inlet and the air outlet, the air guide grille defines a second air duct, the second air duct connects the second air inlet and the air outlet, and the second air duct is connected to the first air duct, wherein The first driving device causes the air near the first air inlet to flow through the first air duct to the second air duct and then to the air outlet; The second driving device causes the air near the second air inlet to flow toward the air outlet through the second air duct.

6. The air duct assembly according to claim 5, characterized in that The bottom shell further defines a third air inlet and a third air duct, the third air inlet is connected to the heat exchanger and the interior of the bottom shell, and the third air duct is connected to the second air duct; and The air duct assembly also includes a third driving device, which is arranged at the third air inlet and configured to force the air near the third air inlet to flow through the third air duct to the second air duct and then to the air outlet.

7. The air duct assembly according to claim 6, characterized in that The third driving device includes a second centrifugal fan and a second motor. The second centrifugal fan is arranged at the third air inlet. The motor shaft of the second motor passes through the air duct cover from a position in front of the air duct cover corresponding to the third air inlet, cooperates with the second centrifugal fan and drives the second centrifugal fan to rotate.

8. The air duct assembly according to claim 6, characterized in that The first air inlet is located above the second air inlet, and the third air inlet is located below the second air inlet.

9. The air duct assembly according to claim 6, characterized in that The heat exchanger is disposed at the rear side of the bottom shell and corresponds to the first air inlet, the second air inlet, and the third air inlet.

10. A vertical air conditioner, characterized in that: include: The air duct assembly according to any one of claims 1 to 9; as well as An air inlet grille is arranged at the rear side of the bottom shell, and the air inlet grille is connected to the inside and outside.

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