Air conditioner indoor unit, air conditioner and control method of air conditioner indoor unit

Abstract

The invention discloses an air conditioner indoor unit, an air conditioner and a control method thereof.The air conditioner indoor unit is characterized in that an evaporator of the air conditioner indoor unit is arranged on one side of a volute, a wind shield is arranged on the other side of the volute, a first air duct is formed between the wind shield and the volute, and a partition plate is rotatably arranged in the first air duct and divides the first air duct into a first air duct section and a second air duct section; the first air duct section is communicated with the fresh air opening, the second air duct section is communicated with the first air outlet, the double-suction fan is arranged in the volute, in the heat exchange fresh air mode, the double-suction fan enables fresh air entering through the fresh air opening and airflow entering from an air inlet of an air conditioner indoor unit and exchanging heat with an evaporator to be mixed in the volute, and temperature adjustment of the fresh air is achieved. And the comfort requirement of the user is met.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioners, and in particular to an air conditioner indoor unit, an air conditioner and a control method thereof. Background Art

[0002] The fresh air air conditioner in the related technology designs the fresh air inlet below the air outlet and opens it obliquely upward, so that the blown fresh air flow can be mixed with the air flow after heat exchange by the air conditioner, so as to solve the problem that the fresh air component blows outdoor air into the room and the large temperature difference between the indoor air and the indoor air affects the comfort; however, since the fresh air and the air-conditioned air are mixed after being blown out, there may be uneven mixing. Summary of the invention

[0003] The object of the present invention is to provide an air conditioner indoor unit, an air conditioner and a control method thereof, aiming to solve the technical problem of uneven mixing of fresh air and conditioned air in fresh air air conditioning in related technologies.

[0004] In order to solve the above problems, according to one aspect of the present application, an embodiment of the present invention provides an air-conditioning indoor unit, which includes an evaporator, a volute, a wind shield, a double-suction fan and a partition, the evaporator is arranged on one side of the volute, the wind shield is arranged on the other side of the volute and a first air duct is formed between the two, the partition is rotatably arranged in the first air duct and the first air duct is divided into a first air duct section and a second air duct section, the first air duct section is connected to the fresh air inlet, and the second air duct section is connected to the first air outlet, the double-suction fan is arranged in the volute, and in the heat exchange fresh air mode, the fresh air entering through the fresh air inlet and the airflow after heat exchange with the evaporator are mixed in the volute and discharged through the first air outlet.

[0005] In some embodiments, the volute includes a snap-fit ​​volute cover assembly and a volute assembly, the evaporator is located on a side of the volute assembly away from the volute cover assembly, the wind shield is located on a side of the volute cover assembly away from the volute assembly, the side wall of the volute cover assembly away from the volute assembly is constructed with a first through hole connected to the first air duct segment and a third through hole connected to the second air duct segment, and the side wall of the volute assembly away from the volute cover assembly is constructed with a second through hole connected to a side facing the evaporator.

[0006] In some embodiments, the air conditioner indoor unit further includes a damper assembly and a first baffle, wherein the damper assembly is disposed at the first through hole, and the first baffle is rotatably disposed at the first air outlet to close the first through hole and the first air outlet in a drying mode so that the airflow passing through the evaporator is discharged from the fresh air outlet.

[0007] In some embodiments, the damper assembly includes a bracket and a fan-shaped baffle, the bracket is arranged at the first through hole, and has a plurality of fan-shaped through holes distributed circumferentially along the first through hole, and the fan-shaped baffle is rotatably arranged at each of the fan-shaped through holes.

[0008] In some embodiments, the two air inlets of the double-suction fan are connected to the first through hole and the second through hole, the volute cover assembly and the volute assembly are located on the side of the double-suction fan away from the third through hole and are configured with an air outlet channel, and the air outlet of the double-suction fan is connected to both the third through hole and the air outlet channel.

[0009] In some embodiments, the volute cover assembly is configured with a fourth through hole on a side of the double suction fan away from the third through hole, the volute assembly is configured with a fifth through hole on a side of the double suction fan away from the third through hole, the fifth through hole is connected to the fresh air outlet on a side away from the fourth through hole, a second baffle is rotatably provided on a side wall of the volute cover assembly away from the volute assembly, and a third baffle is rotatably provided on a side wall of the volute cover assembly away from the volute cover assembly;

[0010] The fifth via hole has a first state where it is connected to the fourth via hole, and the fifth via hole is blocked by the third baffle and the fourth via hole is blocked by the second baffle.

[0011] In some embodiments, the air conditioner indoor unit includes an auxiliary fan, the volute is constructed with a sixth through hole connected to the side facing the evaporator, the volute is constructed with a third air outlet, the auxiliary fan is arranged in the volute, and the air inlet and air outlet of the auxiliary fan are respectively connected to the sixth through hole and the third air outlet.

[0012] According to another aspect of the present application, an embodiment of the present invention further provides an air conditioner, which includes the air conditioner indoor unit as described above.

[0013] According to another aspect of the present application, an embodiment of the present invention further provides a control method for the air conditioner as described above, wherein:

[0014] Obtaining the operating mode of the air conditioner;

[0015] When the air conditioner is in a heat exchange fresh air mode;

[0016] Controlling the partition to close the first air duct section and the second air duct section;

[0017] Turn on the double suction fan.

[0018] In some embodiments, when the air conditioner indoor unit includes a fourth through hole, a fifth through hole, a second baffle, a third baffle, a volute cover assembly, a damper assembly, a first through hole and a volute assembly, and the air conditioner is in a heat exchange fresh air mode,

[0019] Before starting the double suction fan, the method further includes:

[0020] Controlling the damper assembly to open the first through hole;

[0021] The free end of the second baffle is controlled to abut against the volute assembly, and the free end of the third baffle is controlled to abut against the volute cover assembly.

[0022] In some embodiments, when the air conditioner indoor unit includes a damper assembly, a first through hole and a first baffle, and the air conditioner is in a drying mode,

[0023] Controlling the partition to open the first air duct section and the second air duct section;

[0024] Controlling the damper assembly to close the first through hole;

[0025] Controlling the first baffle to close the first air outlet;

[0026] Turn on the double suction fan.

[0027] In some embodiments, when the air conditioner indoor unit includes a fourth through hole, a fifth through hole, a second baffle, a third baffle, a volute cover assembly and a volute assembly, and the air conditioner is in a dry mode,

[0028] Before starting the double suction fan, the method further includes:

[0029] The free end of the second baffle is controlled to abut against the volute assembly, and the free end of the third baffle is controlled to abut against the volute cover assembly.

[0030] In some embodiments, when the air conditioner is in a heat exchange mode, and the air conditioner indoor unit includes a first baffle, a first through hole, and a damper assembly;

[0031] Controlling the partition to close the first air duct section and the second air duct section;

[0032] Controlling the first baffle to open the first air outlet;

[0033] Controlling the damper assembly to close the first through hole;

[0034] Turn on the double suction fan.

[0035] In some embodiments, when the air conditioner indoor unit includes a fourth through hole, a fifth through hole, a second baffle, and a third baffle, and the air conditioner is in a heat exchange mode,

[0036] Before starting the double suction fan, the method further includes:

[0037] The second baffle is controlled to block the fourth via hole, and the third baffle is controlled to block the fifth via hole.

[0038] In some implementations, when the air conditioner is in a heat exchange mode and the air conditioner indoor unit includes an auxiliary fan, the auxiliary fan is turned on.

[0039] Compared with the prior art, the air conditioner indoor unit of the present invention has at least the following beneficial effects:

[0040] The evaporator of the present invention is a kind of indoor unit of air conditioner, and the indoor unit of air conditioner comprises an evaporator, a volute, a wind shield, a double suction fan and a partition, the evaporator is arranged on one side of the volute, the side of the evaporator away from the volute is the air inlet of the indoor unit of air conditioner, the wind shield is arranged on the other side of the volute and a first air duct is formed between the wind shield and the volute, the partition is rotatably arranged in the first air duct and divides the first air duct into a first air duct section and a second air duct section, the first air duct section is connected with the fresh air inlet, and the second air duct section is connected with the first air outlet. The double suction fan of the present invention is arranged in the volute, and in the heat exchange fresh air mode, the double suction fan can make the fresh air entering from the fresh air inlet and the airflow entering from the air inlet of the indoor unit of air conditioner and after heat exchange with the evaporator be mixed in the volute, and then be discharged into the room through the first air outlet. It can be seen that the indoor unit of air conditioner of the present invention makes the conditioned air and the fresh air mix more evenly in the heat exchange plus fresh air mode, realizes the temperature regulation of the fresh air, and meets the comfort requirements of users.

[0041] On the other hand, the air conditioner provided by the present invention is manufactured based on the above-mentioned air conditioner indoor unit, and its beneficial effects refer to the beneficial effects of the above-mentioned air conditioner indoor unit, which are not described in detail here.

[0042] On the other hand, the control method provided by the present invention is based on the above-mentioned air conditioner, and its beneficial effects refer to the beneficial effects of the above-mentioned air conditioner, which will not be described in detail here.

[0043] 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 and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0045] Figure 1 A schematic diagram of the exploded structure of an indoor unit of an air conditioner provided in an embodiment of the present invention;

[0046] Figure 2 A schematic diagram of the flow path of airflow when the indoor unit of the air conditioner provided by the embodiment of the present invention is in a heat exchange fresh air mode;

[0047] Figure 3 A schematic diagram of the exploded structure of a damper assembly of an indoor unit of an air conditioner provided by an embodiment of the present invention;

[0048] Figure 4 A schematic diagram of the structure of a damper assembly of an indoor unit of an air conditioner provided by an embodiment of the present invention;

[0049] Figure 5 A schematic diagram of the structure of the damper assembly of the indoor unit of the air conditioner provided by the embodiment of the present invention in another state;

[0050] Figure 6 A schematic diagram of the flow path of airflow when the indoor unit of the air conditioner provided by an embodiment of the present invention is in a drying mode;

[0051] Figure 7 A schematic diagram of the flow path of airflow when the indoor unit of the air conditioner provided by the embodiment of the present invention is in a heat exchange mode;

[0052] Figure 8 A schematic structural diagram of the case in which the free end of the second baffle of the indoor unit of the air conditioner provided in an embodiment of the present invention abuts against the volute assembly and the free end of the third baffle abuts against the volute cover assembly.

[0053] Description of reference numerals:

[0054] 1. Evaporator;

[0055] 2. volute; 21. volute cover assembly; 211. first through hole; 212. third through hole; 213. fourth through hole; 214. second baffle; 22. volute assembly; 221. second through hole; 222. fifth through hole; 223. third baffle; 224. sixth through hole; 23. air outlet channel; 24. third air outlet;

[0056] 3. Wind shield; 31. First air duct section; 32. Second air duct section; 33. First air outlet; 331. First baffle;

[0057] 4. Double suction fan;

[0058] 5. Partition;

[0059] 6. damper assembly; 61. bracket; 611. fan-shaped through hole; 62. fan-shaped baffle;

[0060] 7. Auxiliary fan. DETAILED DESCRIPTION

[0061] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention application are described in detail below in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.

[0062] In the description of the present invention, it should be clarified that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, but are not necessarily used to describe a specific order or sequence; the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "horizontal", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, and do not mean that the referred device or element must have a specific direction or position, and therefore cannot be understood as a limitation on the present invention.

[0063] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] Example 1

[0065] like Figure 1-8 As shown, an embodiment of the present invention provides an air-conditioning indoor unit, which includes an evaporator 1, a volute 2, a wind shield 3, a double-suction fan 4 and a partition 5, the evaporator 1 is arranged on one side of the volute 2, the wind shield 3 is arranged on the other side of the volute 2 and a first air duct is formed therebetween, the partition 5 is rotatably arranged in the first air duct and divides the first air duct into a first air duct section 31 and a second air duct section 32, the first air duct section 31 is connected to the fresh air inlet, and the second air duct section 32 is connected to the first air outlet 33, the double-suction fan 4 is arranged in the volute 2, and in the heat exchange fresh air mode, the fresh air entering through the fresh air inlet and the airflow after heat exchange with the evaporator 1 are mixed in the volute 2 and discharged through the first air outlet 33.

[0066] In this embodiment, the indoor unit of the air conditioner includes an evaporator 1, a volute 2, a wind shield 3, a double suction fan 4 and a partition 5. The evaporator 1 is arranged on one side of the volute 2, and the side of the evaporator 1 away from the volute 2 is the air inlet of the indoor unit of the air conditioner. The wind shield 3 is arranged on the other side of the volute 2, and a first air duct is formed between the wind shield 3 and the volute 2. The partition 5 is rotatably arranged in the first air duct and divides the first air duct into a first air duct section 31 and a second air duct section 32. The first air duct section 31 is connected to the fresh air inlet, and the second air duct section 32 is connected to the fresh air inlet. The air duct section 32 is connected to the first air outlet 33. The double-suction fan 4 of this embodiment is arranged in the volute 2, and in the heat exchange fresh air mode, the double-suction fan 4 can mix the fresh air entering from the fresh air inlet and the air flow entering from the air inlet of the air-conditioning indoor unit and after heat exchange with the evaporator 1 in the volute 2, and then discharge them to the room through the first air outlet 33. It can be seen that the air-conditioning indoor unit of this embodiment makes the mixing of air-conditioning air and fresh air more uniform in the heat exchange plus fresh air mode, realizes the temperature regulation of the fresh air, and meets the user's comfort needs.

[0067] When the air conditioner is in operation, the working mode of the air conditioner is first obtained;

[0068] When the air conditioner is in the heat exchange and fresh air mode;

[0069] Control the partition plate 5 to close the first air duct section 31 and the second air duct section 32;

[0070] Turn on the double suction fan 4.

[0071] The airflow path in the heat exchange fresh air mode is as follows: Figure 2 shown.

[0072] In some embodiments, the volute 2 includes a snap-fit ​​volute cover assembly 21 and a volute assembly 22, the evaporator 1 is located on a side of the volute assembly 22 away from the volute cover assembly 21, the wind shield 3 is located on a side of the volute cover assembly 21 away from the volute assembly 22, the side wall of the volute cover assembly 21 away from the volute assembly 22 is constructed with a first through hole 211 connected to the first air duct section 31 and a third through hole 212 connected to the second air duct section 32, and the side wall of the volute assembly 22 away from the volute cover assembly 21 is constructed with a second through hole 221 connected to the side toward the evaporator 1.

[0073] In this embodiment, the volute 2 is formed by snapping together a volute cover assembly 21 and a volute assembly 22, and the wind shield 3 is located on the side of the volute cover assembly 21 away from the volute assembly 22. The side wall of the volute cover assembly 21 away from the volute assembly 22 is constructed with a first through hole 211 connected to the first air duct section 31 and a third through hole 212 connected to the second air duct section 32, and the side wall of the volute assembly 22 away from the volute cover assembly 21 is constructed with a second through hole 221 connected to the side facing the evaporator 1, thereby enclosing a flow path for airflow.

[0074] In some embodiments, the air conditioner indoor unit also includes a damper assembly 6 and a first baffle 331, the damper assembly 6 is arranged at the first through hole 211, and the first baffle 331 is rotatably arranged at the first air outlet 33 to close the first through hole 211 and the first air outlet 33 in the drying mode, so that the airflow passing through the evaporator 1 is discharged from the fresh air outlet.

[0075] In the present embodiment, the indoor unit of the air conditioner also includes a damper assembly 6 and a first baffle 331. The damper assembly 6 is arranged at the first through hole 211, and the first baffle 331 is rotatably arranged at the first air outlet 33. In the drying mode, the damper assembly 6 closes the first through hole 211 and the first baffle 331 closes the first air outlet 33. At this time, the air flow passing through the evaporator 1 is discharged from the fresh air outlet, thereby solving the problem that a large amount of condensed water remains on the surface of the evaporator 1 after the air conditioner is shut down and cannot be dried quickly, which is easy to breed bacteria. At the same time, it avoids the problem that the air flow dried by the evaporator 1 is discharged into the room after the air conditioner is shut down, thereby affecting the user experience.

[0076] When the air conditioner is in operation, the working mode of the air conditioner is first obtained;

[0077] When the air conditioner is in dry mode,

[0078] Control the partition plate 5 to open the first air duct section 31 and the second air duct section 32;

[0079] Control the damper assembly 6 to close the first through hole 211;

[0080] Controlling the first baffle 331 to close the first air outlet 33;

[0081] Turn on the double suction fan 4.

[0082] The airflow path in the drying mode is as follows: Figure 6 shown.

[0083] This embodiment simultaneously solves the problem that the double-suction fan 4 cannot only suck air from one side into the fan, and achieves independent control of air intake through the air outlets on both sides of the double-suction fan 4.

[0084] In some embodiments, the damper assembly 6 includes a bracket 61 and a fan-shaped baffle 62. The bracket 61 is arranged at the first through hole 211 and has a plurality of fan-shaped through holes 611 distributed circumferentially along the first through hole 211. The fan-shaped baffle 62 is rotatably arranged at each of the fan-shaped through holes 611.

[0085] In this embodiment, the bracket 61 is disposed at the first through hole 211 , and a sector baffle 62 is rotatably disposed at each sector through hole 611 of the bracket 61 , and the first through hole 211 is opened or closed by driving the sector through hole 611 to rotate.

[0086] In some embodiments, the two air inlets of the dual-suction fan 4 are connected to the first through hole 211 and the second through hole 221, the volute cover assembly 21 and the volute assembly 22 are located on the side of the dual-suction fan 4 away from the third through hole 212 and are configured with an air outlet channel 23, and the air outlet of the dual-suction fan 4 is connected to both the third through hole 212 and the air outlet channel 23.

[0087] In this embodiment, the two air inlets of the double-suction fan 4 are connected with the first through hole 211 and the second through hole 221. The volute cover assembly 21 and the volute assembly 22 are located on the side of the double-suction fan 4 away from the third through hole 212, and are configured with an air outlet channel 23. The air outlet of the double-suction fan 4 is connected with both the third through hole 212 and the air outlet channel 23. In the heat exchange mode, one path of air-conditioned air after heat exchange flows into the room from the air outlet channel 23. When the first baffle 331 opens the first air outlet 33, the other path flows into the room from the first air outlet 33. The flow path of the airflow in the heat exchange mode is as follows: Figure 7 shown.

[0088] In some embodiments, the volute cover assembly 21 is located on a side of the double suction fan 4 away from the third through hole 212 and is configured with a fourth through hole 213, the volute assembly 22 is located on a side of the double suction fan 4 away from the third through hole 212 and is configured with a fifth through hole 222, the side of the fifth through hole 222 away from the fourth through hole 213 is connected to the fresh air outlet, the side wall of the volute cover assembly 21 away from the volute assembly 22 is rotatably provided with a second baffle 214, and the side wall of the volute assembly 22 away from the volute cover assembly 21 is rotatably provided with a third baffle 223;

[0089] So that the fifth via hole 222 has the first state of being connected to the fourth via hole 213;

[0090] And a second state in which the fifth via hole 222 is blocked by the third baffle plate 223 and the fourth via hole 213 is blocked by the second baffle plate 214 .

[0091] Specifically, in the heat exchange fresh air mode or the drying mode, the free end of the second baffle 214 abuts against the volute assembly 22, and the free end of the third baffle 223 abuts against the volute cover assembly 21, so that the fourth through hole 213 is connected to the fifth through hole 222, that is, in the heat exchange fresh air mode or the drying mode, the free end of the second baffle 214 is switched to abut against the volute assembly 22, and the free end of the third baffle 223 is switched to abut against the volute cover assembly 21, so that the fifth through hole 222 and the fourth through hole 213 are switched to the first state;

[0092] In the heat exchange mode, the second baffle 214 blocks the fourth through hole 213, and the third baffle 223 blocks the fifth through hole 222. That is, in the heat exchange mode, the fourth through hole 213 is blocked by the second baffle 214, and the fifth through hole 222 is blocked by the third baffle 223, so that the fifth through hole 222 and the fourth through hole 213 are switched to the second state where both are blocked.

[0093] In this embodiment, in the heat exchange fresh air mode, the free end of the second baffle 214 abuts against the volute assembly 22, and the free end of the third baffle 223 abuts against the volute cover assembly 21. At this time, the second baffle 214 and the third baffle 223 enclose a channel to make the fourth through hole 213 and the fifth through hole 222 conductive; the fresh air entering the fresh air outlet passes through the fifth through hole 222 and the fourth through hole 213 and enters the first air duct section 31. The flow path of the airflow in the heat exchange fresh air mode is as follows: Figure 2 shown.

[0094] In the drying mode, the free end of the second baffle 214 abuts against the volute assembly 22, and the free end of the third baffle 223 abuts against the volute cover assembly 21. At this time, the second baffle 214 and the third baffle 223 enclose a channel to connect the fourth through hole 213 and the fifth through hole 222; the dry airflow is discharged from the first air duct section 31 through the fourth through hole 213, the fifth through hole 222 and the fresh air outlet to the outside. The flow path of the airflow in the drying mode is as follows: Figure 6 shown.

[0095] Since the fourth through hole 213 and the fifth through hole 222 are provided on the volute cover assembly 21 and the volute assembly 22 at the air outlet channel 23, in the heat exchange mode, the fourth through hole 213 is blocked by the second baffle 214, and the fifth through hole 222 is blocked by the third baffle 223, so that one path of the air-conditioned air after heat exchange flows into the room from the air outlet channel 23, and when the first baffle 331 opens the first air outlet 33, the other path flows into the room from the first air outlet 33. The flow path of the airflow in the heat exchange mode is as follows: Figure 7 shown.

[0096] In some embodiments, the air conditioner indoor unit includes an auxiliary fan 7, the volute 2 is configured with a sixth through hole 224 connected to the side facing the evaporator 1, and the volute 2 is configured with a third air outlet 24. The auxiliary fan 7 is arranged in the volute 2, and the air inlet and air outlet of the auxiliary fan 7 are respectively connected to the sixth through hole 224 and the third air outlet 24.

[0097] In this embodiment, in the heat exchange mode, the air conditioning air after heat exchange with the evaporator 1 flows into the room through the sixth through hole 224 and the third air outlet 24 through the auxiliary fan 7. Figure 7 shown.

[0098] In addition, the air conditioner indoor unit of the present invention can blow fresh air and conditioned air at the same time to meet the different needs of consumers.

[0099] Example 2

[0100] The embodiment of the present invention further provides an air conditioner, which includes the air conditioner indoor unit of embodiment 1.

[0101] Example 3

[0102] The embodiment of the present invention further provides a control method of the air conditioner as in Embodiment 2, the control method comprising:

[0103] Obtaining the operating mode of the air conditioner;

[0104] When the air conditioner is in a heat exchange fresh air mode;

[0105] Controlling the partition plate 5 to close the first air duct section 31 and the second air duct section 32;

[0106] Turn on the double suction fan 4.

[0107] In some embodiments, when the air conditioner indoor unit includes the fourth through hole 213, the fifth through hole 222, the second baffle 214, the third baffle 223, the volute cover assembly 21, the damper assembly 6, the first through hole 211 and the volute assembly 22, and the air conditioner is in the heat exchange fresh air mode,

[0108] Before starting the double suction fan 4, the method further includes:

[0109] The damper assembly 6 is controlled to open the first through hole 211 ; the free end of the second baffle 214 is controlled to abut against the volute assembly 22 , and the free end of the third baffle 223 is controlled to abut against the volute cover assembly 21 .

[0110] In some embodiments, when the air conditioner indoor unit includes the damper assembly 6, the first through hole 211 and the first baffle 331, and the air conditioner is in the drying mode,

[0111] Controlling the partition plate 5 to open the first air duct section 31 and the second air duct section 32;

[0112] Controlling the damper assembly 6 to close the first through hole 211;

[0113] Controlling the first baffle 331 to close the first air outlet 33;

[0114] Turn on the double suction fan 4.

[0115] In some embodiments, when the air conditioner indoor unit includes the fourth through hole 213, the fifth through hole 222, the second baffle 214, the third baffle 223, the volute cover assembly 21 and the volute assembly 22, and the air conditioner is in the dry mode,

[0116] Before starting the double suction fan 4, the following steps are also included:

[0117] The free end of the second baffle plate 214 is controlled to abut against the volute assembly 22 , and the free end of the third baffle plate 223 is controlled to abut against the volute cover assembly 21 .

[0118] In some embodiments, when the air conditioner is in a heat exchange mode, and the air conditioner indoor unit includes a first baffle 331, a first through hole 211, and a damper assembly 6;

[0119] Controlling the partition plate 5 to close the first air duct section 31 and the second air duct section 32;

[0120] Controlling the first baffle 331 to open the first air outlet 33;

[0121] Controlling the damper assembly 6 to close the first through hole 211;

[0122] Turn on the double suction fan 4.

[0123] In some embodiments, when the air conditioner indoor unit includes the fourth through hole 213, the fifth through hole 222, the second baffle 214, and the third baffle 223, and the air conditioner is in the heat exchange mode,

[0124] Before starting the double suction fan 4, the following steps are also included:

[0125] The second baffle 214 is controlled to block the fourth via hole 213 , and the third baffle 223 is controlled to block the fifth via hole 222 .

[0126] In some embodiments, when the air conditioner is in a heat exchange mode and the air conditioner indoor unit includes an auxiliary fan 7, the auxiliary fan 7 is turned on.

[0127] In summary, those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described equipment, devices and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0128] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. An air conditioner indoor unit, characterized in that: The air conditioner indoor unit includes an evaporator, a volute, a wind shield, a double-suction fan and a partition, the evaporator is arranged on one side of the volute, the wind shield is arranged on the other side of the volute and a first air duct is formed therebetween, the partition is rotatably arranged in the first air duct and divides the first air duct into a first air duct section and a second air duct section, the first air duct section is connected to the fresh air inlet, and the second air duct section is connected to the first air outlet, the double-suction fan is arranged in the volute, and in the heat exchange fresh air mode, the fresh air entering through the fresh air inlet and the airflow after heat exchange with the evaporator are mixed in the volute and discharged through the first air outlet.

2. The air conditioner indoor unit according to claim 1, characterized in that: The volute includes a snap-fitting volute cover assembly and a volute assembly, the evaporator is located on a side of the volute assembly away from the volute cover assembly, the wind shield is located on a side of the volute cover assembly away from the volute assembly, the side wall of the volute cover assembly away from the volute assembly is constructed with a first through hole connected to the first air duct section and a third through hole connected to the second air duct section, and the side wall of the volute assembly away from the volute cover assembly is constructed with a second through hole connected to a side facing the evaporator.

3. The air conditioner indoor unit according to claim 2, characterized in that: The air conditioner indoor unit also includes a damper assembly and a first baffle, wherein the damper assembly is arranged at the first through hole, and the first baffle is rotatably arranged at the first air outlet to close the first through hole and the first air outlet in the dry mode so that the airflow passing through the evaporator is discharged from the fresh air outlet.

4. The air conditioner indoor unit according to claim 3, characterized in that: The damper assembly includes a bracket and a fan-shaped baffle. The bracket is arranged at the first through hole and has a plurality of fan-shaped through holes distributed along the circumference of the first through hole. The fan-shaped baffle is rotatably arranged at each of the fan-shaped through holes.

5. The air conditioner indoor unit according to claim 3, characterized in that: The two air inlets of the double-suction fan are connected to the first through hole and the second through hole, the volute cover assembly and the volute assembly are located on the side of the double-suction fan away from the third through hole and are configured with an air outlet channel, and the air outlet of the double-suction fan is connected to both the third through hole and the air outlet channel.

6. The air conditioner indoor unit according to claim 5, characterized in that: The volute cover assembly is configured with a fourth through hole on a side of the double suction fan away from the third through hole, the volute assembly is configured with a fifth through hole on a side of the double suction fan away from the third through hole, the fifth through hole is connected to the fresh air outlet on a side away from the fourth through hole, a second baffle is rotatably provided on a side wall of the volute cover assembly away from the volute assembly, and a third baffle is rotatably provided on a side wall of the volute cover assembly away from the volute cover assembly; The fifth via hole has a first state where it is connected to the fourth via hole, and the fifth via hole is blocked by the third baffle and the fourth via hole is blocked by the second baffle.

7. The air conditioner indoor unit according to claim 1, characterized in that: The air conditioner indoor unit includes an auxiliary fan, the volute is configured with a sixth through hole connected to a side facing the evaporator, the volute is configured with a third air outlet, the auxiliary fan is arranged in the volute, and the air inlet and air outlet of the auxiliary fan are respectively connected to the sixth through hole and the third air outlet.

8. An air conditioner, characterized in that: The air conditioner comprises the air conditioner indoor unit according to any one of claims 1-7.

9. A method for controlling an air conditioner as claimed in claim 8, characterized in that: The control method comprises: Obtaining the operating mode of the air conditioner; When the air conditioner is in a heat exchange fresh air mode; Controlling the partition to close the first air duct section and the second air duct section; Turn on the double suction fan.

10. The control method according to claim 9, characterized in that: When the air conditioner indoor unit includes a fourth through hole, a fifth through hole, a second baffle, a third baffle, a volute cover assembly, a damper assembly, a first through hole and a volute assembly, and the air conditioner is in a heat exchange fresh air mode, Before starting the double suction fan, the method further includes: Controlling the damper assembly to open the first through hole; The free end of the second baffle is controlled to abut against the volute assembly, and the free end of the third baffle is controlled to abut against the volute cover assembly.

11. The control method according to claim 9, characterized in that: When the air conditioner indoor unit comprises a damper assembly, a first through hole and a first baffle, and the air conditioner is in a drying mode, Controlling the partition to open the first air duct section and the second air duct section; Controlling the damper assembly to close the first through hole; Controlling the first baffle to close the first air outlet; Turn on the double suction fan.

12. The control method according to claim 11, characterized in that: When the air conditioner indoor unit comprises a fourth through hole, a fifth through hole, a second baffle, a third baffle, a volute cover assembly and a volute assembly, and the air conditioner is in a drying mode, Before starting the double suction fan, the method further includes: The free end of the second baffle is controlled to abut against the volute assembly, and the free end of the third baffle is controlled to abut against the volute cover assembly.

13. The control method according to claim 9, characterized in that: When the air conditioner is in a heat exchange mode, and the air conditioner indoor unit includes a first baffle, a first through hole and a damper assembly; Controlling the partition to close the first air duct section and the second air duct section; Controlling the first baffle to open the first air outlet; Controlling the damper assembly to close the first through hole; Turn on the double suction fan.

14. The control method according to claim 13, characterized in that: When the air conditioner indoor unit includes a fourth through hole, a fifth through hole, a second baffle, and a third baffle, and the air conditioner is in a heat exchange mode, Before starting the double suction fan, the method further includes: The second baffle is controlled to block the fourth via hole, and the third baffle is controlled to block the fifth via hole.

15. The control method according to claim 9, characterized in that: When the air conditioner is in a heat exchange mode and the air conditioner indoor unit includes an auxiliary fan, the auxiliary fan is turned on.

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