CN112303727A

CN112303727A - Indoor unit of air conditioner

Info

Publication number: CN112303727A
Application number: CN201910713353.9A
Authority: CN
Inventors: 董明珠; 陈诚; 何振健; 王千千
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2021-02-02

Abstract

The invention provides an air-conditioning indoor unit, comprising: the air inlet is provided with a closed state and an open state; the first ventilation adjusting device is arranged in the accommodating cavity and divides the accommodating cavity into a first cavity section and a second cavity section, the first cavity section is communicated with the first air port, and the second cavity section is communicated with the air inlet; the main body part of the first ventilation adjusting device is provided with a first channel and a second channel which are selectively communicated; the air supply structure is provided with a first air duct, a second air duct and a third air duct, and the first air duct is selectively communicated with the second air duct or the third air duct. The air conditioner indoor unit solves the problem that the air outlet flexibility of the air conditioner indoor unit in the prior art is poor.

Description

Indoor unit of air conditioner

Technical Field

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

Background

At present, an existing air conditioner indoor unit is provided with a fixed air outlet, air can be discharged through the fixed air outlet only, and the air outlet direction is adjusted by arranging a rotatable air deflector at the air outlet.

However, the air conditioner indoor unit cannot select the air outlet position according to the user requirement, which results in poor flexibility of air outlet of the air conditioner indoor unit.

Disclosure of Invention

The invention mainly aims to provide an air conditioner indoor unit, which aims to solve the problem that the air outlet flexibility of the air conditioner indoor unit in the prior art is poor.

In order to achieve the above object, the present invention provides an indoor unit of an air conditioner, comprising: the air inlet is provided with a closed state and an open state; the first ventilation adjusting device is arranged in the accommodating cavity and divides the accommodating cavity into a first cavity section and a second cavity section, the first cavity section is communicated with the first air port, and the second cavity section is communicated with the air inlet; the main body part of the first ventilation adjusting device is provided with a first channel and a second channel which are selectively communicated; the air supply structure is provided with a first air duct, a second air duct and a third air duct, the first air duct is selectively communicated with the second air duct or the third air duct so as to drive airflow to flow into the second air duct or the third air duct from the first air duct through the air supply structure, and the first air duct is communicated with the second cavity section; the second air duct is communicated with the second channel, and the third air duct is communicated with the second air port; the air conditioner indoor unit has a first working state and a second working state; when the air-conditioning indoor unit is in a first working state, the first channel is in a conducting state, the first air channel is communicated with the third air channel, and the air inlet is in a closing state, so that air flows into the first cavity section from the first air inlet, sequentially passes through the first channel, the second cavity section, the first air channel and the third air channel, and is discharged to the outside of the air-conditioning indoor unit from the second air inlet; when the indoor unit of the air conditioner is in the second working state, the second channel is in a conduction state, the first air channel is communicated with the second air channel, and the air inlet is in an opening state, so that air flows into the second cavity section from the air inlet, sequentially passes through the first air channel, the second channel and the first cavity section, and is discharged to the outside of the indoor unit of the air conditioner from the first air inlet.

Further, the first ventilation adjusting device includes a first shade member that is positionally adjustably provided with respect to a main body portion of the first ventilation adjusting device to shade the first passage or the second passage by the first shade member.

Furthermore, the second air duct and the third air duct are both communicated with the first air duct; the air supply structure is internally provided with a wind shielding piece, and the position of the wind shielding piece is adjustably arranged so as to separate the first air channel from the second air channel through the wind shielding piece or separate the first air channel from the third air channel through the wind shielding piece.

Further, the air conditioner indoor unit comprises an air door assembly, the air door assembly is arranged at the air inlet, and at least part of the position of the air door assembly is adjustably arranged so as to shield or avoid the air inlet through the air door assembly, so that the air inlet is closed or opened.

Further, the damper assembly includes: the sliding support is provided with a first roller and a second roller, and the axis of the first roller and the axis of the second roller form a preset included angle; the sliding door is movably arranged on the sliding support, a first sliding groove and a second sliding groove are formed in the sliding door, the first idler wheel is arranged along the first sliding groove in a rolling mode, and the second idler wheel is arranged along the second sliding groove in a rolling mode so as to guide the movement of the sliding door through the first sliding groove and the second sliding groove; the sliding door is provided with a closed position and an open position, and when the sliding door is in the closed position, the sliding door shields the air inlet so as to prevent outside air from entering the inside of the indoor unit of the air conditioner through the air inlet; when the sliding door is in the opening position, the sliding door avoids the air inlet, so that outside air enters the inside of the indoor unit of the air conditioner through the air inlet.

Further, the air conditioning indoor unit further includes: the second ventilation adjusting device is arranged in the first cavity section and is arranged at intervals with the first ventilation adjusting device, the second ventilation adjusting device divides the first cavity section into a first cavity and a second cavity, and the first cavity is communicated with the first air port; a third channel and a fourth channel are arranged on the main body part of the second ventilation adjusting device and can be selectively communicated; the heat exchange component is arranged in the second cavity; when the air conditioning indoor unit is in the first working state, the fourth channel is in a conducting state, so that air flows into the second cavity from the first cavity and the fourth channel in sequence, exchanges heat through the heat exchange component and then flows into the second cavity section from the first channel; when the indoor unit of the air conditioner is in the second working state, the third channel is in a conducting state, so that air flows into the second cavity from the second channel, exchanges heat through the heat exchange component and then flows into the first cavity from the third channel.

Further, the second ventilation adjusting device further comprises a second shielding piece, and the second shielding piece is arranged in a position adjustable mode relative to the main body part of the second ventilation adjusting device so that the third channel or the fourth channel can be shielded through the second shielding piece.

Furthermore, the heat exchange component is of a cylindrical structure and is provided with a first end face and a second end face, the first end face is connected with the main body part of the second ventilation regulating device, and the second end face is connected with the main body part of the first ventilation regulating device; the heat exchange component divides the second cavity into an inner cavity and an outer cavity, the second channel and the fourth channel are communicated with the inner cavity, and the first channel and the third channel are communicated with the outer cavity.

Furthermore, the first channel is arranged around the second channel, the number of the first shielding pieces is multiple, and each first shielding piece is movably arranged along the direction close to or far away from the center line of the second channel, so that each first shielding piece has a first shielding position and a second shielding position; when the air conditioning indoor unit is in a first working state, each first shielding piece is located at a first shielding position, and the plurality of first shielding pieces shield the second channel and avoid the first channel, so that the second channel is in a blocking state and the first channel is in a conducting state; when the indoor unit of the air conditioner is in the second working state, each first shielding piece is located at the second shielding position, and the plurality of first shielding pieces shield the first channel and avoid the second channel, so that the first channel is in a blocking state and the second channel is in a conducting state.

Furthermore, the first ventilation adjusting device further comprises an adjusting piece, the adjusting piece is rotatably arranged relative to the main body part of the first ventilation adjusting device, a plurality of third guide portions are arranged on the adjusting piece, a fourth guide portion is arranged on each first shielding piece, the third guide portions are matched with the fourth guide portions, and the fourth guide portions are slidably arranged along the extending direction of the third guide portions so that when the adjusting piece rotates relative to the main body part of the first ventilation adjusting device, the fourth guide portions and the first shielding pieces are driven to move through the third guide portions.

Furthermore, the first air duct is provided with a necking section, and the size of the flow section of the necking section is gradually reduced along the flow direction of the air flow; and/or a fan is arranged in the first air channel, so that the fan drives the air in the second cavity section to flow into the first air channel, and the fan is a mixed flow fan.

Further, the shell comprises a first shell and a second shell, and the first air opening and the second air opening are both arranged on the first shell; the air-conditioning indoor unit comprises a bearing, wherein the bearing is provided with a first ring body and a second ring body which can rotate relatively, the first ring body is fixedly connected with a first shell, and the second ring body is fixedly connected with a second shell so as to rotatably connect the first shell and the second shell through the bearing.

The air conditioner indoor unit applying the technical scheme of the invention comprises a shell, a first ventilation adjusting device and an air supply structure, wherein the shell is provided with a first air port, a second air port and an air inlet; the first ventilation adjusting device is arranged in the accommodating cavity and divides the accommodating cavity into a first cavity section and a second cavity section, the first cavity section is communicated with the first air port, and the second cavity section is communicated with the air inlet; the main body part of the first ventilation adjusting device is provided with a first channel and a second channel which are selectively communicated; the air supply structure is provided with a first air duct, a second air duct and a third air duct, the first air duct is selectively communicated with the second air duct or the third air duct so as to drive airflow to flow into the second air duct or the third air duct from the first air duct through the air supply structure, and the first air duct is communicated with the second cavity section; the second air duct is communicated with the second channel, and the third air duct is communicated with the second air port; the air conditioner indoor unit has a first working state and a second working state; when the air-conditioning indoor unit is in a first working state, the first channel is in a conducting state, the first air channel is communicated with the third air channel, and the air inlet is in a closing state, so that air flows into the first cavity section from the first air inlet, sequentially passes through the first channel, the second cavity section, the first air channel and the third air channel, and is discharged to the outside of the air-conditioning indoor unit from the second air inlet; when the indoor unit of the air conditioner is in the second working state, the second channel is in a conduction state, the first air channel is communicated with the second air channel, and the air inlet is in an opening state, so that air flows into the second cavity section from the air inlet, sequentially passes through the first air channel, the second channel and the first cavity section, and is discharged to the outside of the indoor unit of the air conditioner from the first air inlet. The shell of the indoor unit of the air conditioner is provided with the first air port, the second air port and the air inlet, and is provided with the first ventilation adjusting device and the air supply structure, and the air flow can flow in from the first air port and flow out from the second air port of the indoor unit of the air conditioner or flow in from the second air port and flow out from the first air port of the indoor unit of the air conditioner by changing the ventilation state of the first ventilation adjusting device, the air supply state of the air supply structure and the opening and closing state of the air inlet, so that a user can flexibly select the air outlet position according to the requirement, and the air outlet flexibility of the indoor unit of the air conditioner is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic cross-sectional view of an embodiment of an air conditioning indoor unit according to the present invention;

fig. 2 shows an enlarged schematic view of a partial region according to the embodiment of the air conditioning indoor unit in fig. 1;

fig. 3 shows a schematic view of a first and a second ventilation adjusting means of an embodiment of an air conditioning indoor unit according to the present invention in a first state;

fig. 4 is a schematic view showing an exploded structure of a first ventilation adjusting means and a second ventilation adjusting means of an embodiment of an air conditioning indoor unit according to the present invention in a first state;

fig. 5 shows a schematic view of the first and second ventilation adjusting means of an embodiment of an air conditioning indoor unit according to the present invention in a second state;

fig. 6 is a schematic view showing an exploded structure of the first and second ventilation adjusting means in a second state according to an embodiment of the indoor unit of an air conditioner of the present invention;

fig. 7 is a schematic cross-sectional view showing a first ventilating device of an embodiment of an air conditioning indoor unit according to the present invention;

fig. 8 is an exploded view schematically illustrating a blowing structure of an embodiment of an indoor unit of an air conditioner according to the present invention;

fig. 9 is a schematic view showing a structure of a damper assembly of an embodiment of an air conditioning indoor unit according to the present invention;

fig. 10 is a schematic view showing the structure of an outer casing of an embodiment of an air conditioning indoor unit according to the present invention;

figure 11 shows a schematic view of an embodiment of an air conditioning indoor unit according to the invention in a first operating condition;

fig. 12 is a schematic view of an air conditioning indoor unit according to an embodiment of the present invention in a second operation state.

Wherein the figures include the following reference numerals:

1. a housing; 11. a first tuyere; 12. a second tuyere; 13. an accommodating chamber; 131. a first cavity section; 1311. a first cavity; 1312. a second cavity; 132. a second cavity section; 14. a first housing; 15. a second housing;

2. a first ventilation regulating device; 21. a first channel; 22. a second channel; 23. a first shield; 24. a first guide portion; 25. a second guide portion; 26. an adjustment member; 27. a third guide portion; 28. a fourth guide portion;

3. an air supply structure; 31. a first air duct; 32. a second air duct; 33. a third air duct; 34. a fan; 35. a wind shielding member;

4. a damper assembly; 41. a sliding support; 411. a first roller; 412. a second roller; 42. a sliding door; 421. a first chute; 422. a second chute;

5. a second ventilation adjusting device; 51. a third channel; 52. a fourth channel; 53. a second shield;

6. a heat exchange member;

7. a first drive member; 71. a first drive motor; 72. a first gear; 73. a first rack;

8. a second drive member; 81. a second drive motor; 82. a second gear; 83. a second rack;

9. a third drive member; 91. a third drive motor; 92. a third gear; 93. a third rack;

10. a baffle plate; 100. and a bearing.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 12, the present invention provides an indoor unit of an air conditioner, including: the air conditioner comprises a shell 1, wherein a first air port 11, a second air port 12 and an air inlet are formed in the shell 1, the first air port 11 and the second air port 12 are arranged at intervals, a containing cavity 13 is formed in the shell 1, the containing cavity 13 is communicated with the first air port 11, the second air port 12 and the air inlet, and the air inlet is in a closed state and an open state; the first ventilation adjusting device 2 is arranged in the accommodating cavity 13, the accommodating cavity 13 is divided into a first cavity section 131 and a second cavity section 132 by the first ventilation adjusting device 2, the first cavity section 131 is communicated with the first air port 11, and the second cavity section 132 is communicated with the air inlet; the main body part of the first ventilation regulating device 2 is provided with a first channel 21 and a second channel 22, and the first channel 21 and the second channel 22 are selectively communicated; the air supply structure 3 is provided with a first air duct 31, a second air duct 32 and a third air duct 33, the first air duct 31 is selectively communicated with the second air duct 32 or the third air duct 33, so that air flow is driven by the air supply structure 3 to flow from the first air duct 31 into the second air duct 32 or the third air duct 33, and the first air duct 31 is communicated with the second cavity section 132; the second air duct 32 is communicated with the second passage 22, and the third air duct 33 is communicated with the second air port 12; the air conditioner indoor unit has a first working state and a second working state; when the air conditioning indoor unit is in the first working state, the first passage 21 is in a conducting state, the first air duct 31 is communicated with the third air duct 33, and the air inlet is in a closing state, so that air flows into the first cavity section 131 from the first air inlet 11, sequentially passes through the first passage 21, the second cavity section 132, the first air duct 31 and the third air duct 33, and is discharged to the outside of the air conditioning indoor unit from the second air inlet 12; when the indoor unit of the air conditioner is in the second working state, the second channel 22 is in a conducting state, the first air duct 31 is in conduction with the second air duct 32, and the air inlet is in an open state, so that air flows into the second cavity section 132 from the air inlet, passes through the first air duct 31, the second air duct 32, the second channel 22 and the first cavity section 131 in sequence, and is discharged to the outside of the indoor unit of the air conditioner from the first air inlet 11.

The air conditioner indoor unit comprises a shell 1, a first ventilation adjusting device 2 and an air supply structure 3, wherein a first air port 11, a second air port 12 and an air inlet are formed in the shell 1, the first air port 11 and the second air port 12 are arranged at intervals, a containing cavity 13 is formed in the shell 1, the containing cavity 13 is communicated with the first air port 11, the second air port 12 and the air inlet, and the air inlet is in a closed state and an open state; the first ventilation adjusting device 2 is arranged in the accommodating cavity 13, the accommodating cavity 13 is divided into a first cavity section 131 and a second cavity section 132 by the first ventilation adjusting device 2, the first cavity section 131 is communicated with the first air port 11, and the second cavity section 132 is communicated with the air inlet; the main body part of the first ventilation regulating device 2 is provided with a first channel 21 and a second channel 22, and the first channel 21 and the second channel 22 are selectively communicated; the air supply structure 3 is provided with a first air duct 31, a second air duct 32 and a third air duct 33, the first air duct 31 is selectively communicated with the second air duct 32 or the third air duct 33, so that the air flow is driven by the air supply structure 3 to flow from the first air duct 31 into the second air duct 32 or the third air duct 33, and the first air duct 31 is communicated with the second cavity section 132; the second air duct 32 is communicated with the second passage 22, and the third air duct 33 is communicated with the second air port 12; the air conditioner indoor unit has a first working state and a second working state; when the air conditioning indoor unit is in the first working state, the first passage 21 is in a conducting state, the first air duct 31 is communicated with the third air duct 33, and the air inlet is in a closing state, so that air flows into the first cavity section 131 from the first air inlet 11, sequentially passes through the first passage 21, the second cavity section 132, the first air duct 31 and the third air duct 33, and is discharged to the outside of the air conditioning indoor unit from the second air inlet 12; when the indoor unit of the air conditioner is in the second working state, the second channel 22 is in a conducting state, the first air duct 31 is in conduction with the second air duct 32, and the air inlet is in an open state, so that air flows into the second cavity section 132 from the air inlet, passes through the first air duct 31, the second air duct 32, the second channel 22 and the first cavity section 131 in sequence, and is discharged to the outside of the indoor unit of the air conditioner from the first air inlet 11. The shell of the indoor unit of the air conditioner is provided with the first air port 11, the second air port 12 and the air inlet, and is provided with the first ventilation adjusting device 2 and the air supply structure 3, and the air flow can flow in from the first air port 11 and flow out from the second air port 12 of the indoor unit of the air conditioner or flow in from the second air port 12 and flow out from the first air port 11 of the indoor unit of the air conditioner by changing the ventilation state of the first ventilation adjusting device 2, the air supply state of the air supply structure 3 and the opening and closing state of the air inlet, so that a user can flexibly select the air outlet position according to the requirement, and the air outlet flexibility of the indoor unit of the air conditioner is improved.

In particular, the first ventilation regulating device 2 comprises a first shutter 23, the first shutter 23 being positionally adjustable relative to the main body portion of the first ventilation regulating device 2 so as to shield the first passage 21 or the second passage 22 by means of the first shutter 23.

In the present embodiment, the specific arrangement form of the air blowing structure 3 is as follows: the second air duct 32 and the third air duct 33 are both communicated with the first air duct 31; the air supply structure 3 is provided inside with a wind shielding member 35, and the position of the wind shielding member 35 is adjustably set to partition the first air duct 31 and the second air duct 32 through the wind shielding member 35, so as to communicate the first air duct 31 with the third air duct 33, or partition the first air duct 31 with the third air duct 33 through the wind shielding member 35, so as to communicate the first air duct 31 with the second air duct 32.

Preferably, the wind shielding part 35 is an arc-shaped plate, at least part of the inner wall of the air supply structure 3 is an arc-shaped surface, the second air duct 32 and the third air duct 33 both extend to the arc-shaped surface, and the arc-shaped plate is attached to the arc-shaped surface and slidably arranged along the arc-shaped surface. The wind shielding part 35 adopts an arc-shaped plate structure, and can ensure better attaching effect and sealing effect when being matched with the arc-shaped inner wall surface of the air supply structure 3.

In order to realize the control of the working state of the air supply structure 3, the air supply structure 3 comprises a second driving component 8, the second driving component 8 comprises a second driving motor 81, a second gear 82 and a second rack 83, the second gear 82 is mounted on the output shaft of the second driving motor 81, the second gear 82 is meshed with the second rack 83, the second driving motor 81 is fixedly arranged on the main body part of the air supply structure 3, and the second rack 83 is arranged on the wind shielding piece 35 so as to drive the second rack 83 and the wind shielding piece 35 to move through the second gear 82 when the second driving motor 81 rotates.

In order to facilitate the installation of the wind shielding member 35, the air supply structure 3 includes an installation groove extending from the outside of the main body portion of the air supply structure 3 to the inside of the main body portion of the air supply structure to insert the wind shielding member 35 into the inside of the main body portion of the air supply structure through the installation groove, and a baffle plate 10 to shield the installation groove by the baffle plate 10 after the wind shielding member 35 is installed in the inside of the air supply structure.

In order to facilitate the state control of the air inlet, the indoor unit of the air conditioner comprises an air door assembly 4, wherein the air door assembly 4 is arranged at the air inlet, and at least part of the position of the air door assembly 4 is adjustably arranged so as to shield or avoid the air inlet through the air door assembly 4, so that the air inlet is closed or opened.

Specifically, the damper assembly 4 includes: the sliding bracket 41 is provided with a first roller 411 and a second roller 412, and the axis of the first roller 411 and the axis of the second roller 412 form a preset included angle; a sliding door 42, the sliding door 42 being movably disposed on the sliding bracket 41, the sliding door 42 being provided with a first sliding slot 421 and a second sliding slot 422, a first roller 411 being rollably disposed along the first sliding slot 421, and a second roller 412 being rollably disposed along the second sliding slot 422, so as to guide the movement of the sliding door 42 through the first sliding slot 421 and the second sliding slot 422; the sliding door 42 has a closed position and an open position, and when the sliding door 42 is in the closed position, the sliding door 42 shields the air inlet to prevent outside air from entering the inside of the indoor unit of the air conditioner through the air inlet; when the sliding door 42 is in the open position, the sliding door 42 is out of the air inlet, so that the outside air enters the inside of the indoor unit of the air conditioner through the air inlet.

In order to control the operation state of the damper assembly 4 conveniently, the damper assembly 4 includes a third driving member 9, the third driving member 9 includes a third driving motor 91, a third gear 92 and a third rack 93, the third gear 92 is mounted on an output shaft of the third driving motor 91, the third gear 92 is engaged with the third rack 93, the third driving motor 91 is fixedly disposed on the air conditioner indoor unit housing or the sliding bracket 41, and the third rack 93 is disposed on the sliding door 42 to drive the third rack 93 and the sliding door 42 to move through the third gear 92 when the third driving motor 91 rotates.

In this embodiment, the air conditioning indoor unit further includes: the second ventilation adjusting device 5 is arranged in the first cavity section 131, the second ventilation adjusting device 5 and the first ventilation adjusting device 2 are arranged at intervals, the second ventilation adjusting device 5 divides the first cavity section 131 into a first cavity 1311 and a second cavity 1312, and the first cavity 1311 is communicated with the first air port 11; a third channel 51 and a fourth channel 52 are arranged on the main body part of the second ventilation adjusting device 5, and the third channel 51 and the fourth channel 52 can be selectively communicated; the heat exchange part 6, the heat exchange part 6 is arranged in the second cavity 1312; when the air conditioning indoor unit is in the first working state, the fourth channel 52 is in a conducting state, so that the air flows into the second cavity 1312 through the first cavity 1311 and the fourth channel 52 in sequence, exchanges heat through the heat exchange component 6, and flows into the second cavity section 132 through the first channel 21; when the air conditioning indoor unit is in the second working state, the third channel 51 is in a conducting state, so that air flows into the second cavity 1312 from the second channel 22, exchanges heat through the heat exchange component 6, and then flows into the first cavity 1311 from the third channel 51. Thus, when the air flows in the second cavity 1312, the air can effectively pass through the heat exchange part 6, so as to improve the heat exchange effect between the air and the heat exchange part 6.

Specifically, the second ventilation adjusting device 5 further includes a second shutter 53, and the second shutter 53 is positionally adjustably provided with respect to the main body portion of the second ventilation adjusting device 5 to shield the third passage 51 or the fourth passage 52 by the second shutter 53.

In this embodiment, the heat exchange member 6 is a tubular structure, and the heat exchange member 6 has a first end surface and a second end surface, the first end surface is connected with the main body part of the second ventilation regulating device 5, and the second end surface is connected with the main body part of the first ventilation regulating device 2; the heat exchanging member 6 divides the second chamber 1312 into an inner chamber and an outer chamber, the second passage 22 and the fourth passage 52 are both communicated with the inner chamber, and the first passage 21 and the third passage 51 are both communicated with the outer chamber. The heat exchange component 6 can be cylindrical or prismatic, and can achieve good heat exchange effect. Thus, when flowing in the second cavity 1312, the airflow passes through the side wall of the heat exchange member 6, so that the airflow and the heat exchange member 6 exchange heat sufficiently, and the heat exchange effect is improved.

The second ventilation adjusting device 5 has the same structure as the first ventilation adjusting device 2, and the structure of the first ventilation adjusting device 2 will be described as an example:

specifically, the first passage 21 is disposed around the second passage 22, the number of the first shielding members 23 is plural, and each of the first shielding members 23 is movably disposed in a direction approaching or departing from a center line of the second passage 22, so that each of the first shielding members 23 has a first shielding position and a second shielding position; when the air conditioning indoor unit is in a first working state, each first shielding piece 23 is located at a first shielding position, and the plurality of first shielding pieces 23 shield the second channel 22 and avoid the first channel 21, so that the second channel 22 is in a blocking state and the first channel 21 is in a conducting state; when the indoor unit of the air conditioner is in the second working state, each first shielding piece 23 is located at the second shielding position, and the plurality of first shielding pieces 23 shield the first channel 21 and avoid the second channel 22, so that the first channel 21 is in a blocking state and the second channel 22 is in a conducting state. Therefore, the areas of the first channel 21 and the second channel 22 can be effectively increased, smooth ventilation is ensured, the first channel 21 or the second channel 22 can be effectively shielded in a mode that the plurality of first shielding pieces 23 move in the direction close to or far away from the central line of the second channel 22, and the shielding effect of the plurality of first shielding pieces 23 is ensured.

In order to stabilize the movement state of the plurality of first shielding members 23, the main body portion of the first ventilation adjusting device 2 is provided with a plurality of first guide portions 24, each of the first shielding members 23 is provided with a second guide portion 25, and each of the first guide portions 24 is fitted with each of the second guide portions 25 in a one-to-one correspondence to guide the movement of each of the first shielding members 23 by the corresponding first guide portion 24 and second guide portion 25.

On this basis, the first ventilation adjusting device 2 further includes an adjusting member 26, the adjusting member 26 is rotatably disposed with respect to the main body portion of the first ventilation adjusting device 2, a plurality of third guide portions 27 are provided on the adjusting member 26, a fourth guide portion 28 is provided on each of the first shielding members 23, the third guide portions 27 cooperate with the fourth guide portions 28, and the fourth guide portions 28 are slidably disposed along the extending direction of the third guide portions 27, so that when the adjusting member 26 rotates with respect to the main body portion of the first ventilation adjusting device 2, the fourth guide portions 28 and the first shielding members 23 are driven to move by the third guide portions 27. When the adjusting piece 26 rotates, each fourth guiding portion 28 and each first shielding piece 23 can be driven by each third guiding portion 27 to move, so that the purpose of controlling the synchronous movement of the plurality of first shielding pieces 23 is achieved, the movement coordination of the first shielding pieces 23 can be improved, and the shielding effect when the plurality of first shielding pieces 23 work cooperatively is favorably improved.

Specifically, the main body portions of the first ventilation adjusting device 2 and the second ventilation adjusting device 5 each include an upper frame body and a lower frame body, and the upper frame body and the lower frame body are detachably connected with each other.

In order to facilitate the control of the working state of the first ventilation adjusting device 2 and the second ventilation adjusting device 5, a first driving component 7 is disposed on each of the first ventilation adjusting device 2 and the second ventilation adjusting device 5, the first driving component 7 includes a first driving motor 71, a first gear 72 and a first rack 73, the first gear 72 is mounted on an output shaft of the first driving motor 71, the first gear 72 is engaged with the first rack 73, the first driving motor 71 is fixedly disposed on a main body portion of the first ventilation adjusting device 2 or the second ventilation adjusting device 5, and the first rack 73 is disposed on the adjusting member 26 to drive the first rack 73 and the adjusting member 26 to rotate through the first gear 72 when the first driving motor 71 rotates.

In this embodiment, the first air duct 31 has a necking section, and along the flowing direction of the air flow, the size of the circulation cross section of the necking section is gradually reduced, and the structural design of the necking section can ensure the air intake of the first air duct 31, and improve the air outlet speed, which is beneficial to improving the air supply effect of the air supply structure 3. The fan 34 is arranged in the first air duct 31, so that the fan 34 is a mixed flow fan in the first air duct 31 when the fan 34 drives the air in the second cavity section 132 to flow into the first air duct 31, the internal structure of the air conditioner indoor unit adopting the structural design is complex, the blocking effect on air flow is strong, the static pressure of the fan can be effectively improved by adopting the mixed flow fan, and the air supply effect of the air supply structure 3 is ensured.

In order to expand the air supply range of the indoor unit of the air conditioner, the shell comprises a first shell 14 and a second shell 15, and a first air opening 11 and a second air opening 12 are both arranged on the first shell 14; the air conditioning indoor unit includes a bearing 100, the bearing 100 has a first ring body and a second ring body which can rotate relatively, the first ring body is fixedly connected with the first casing 14, and the second ring body is fixedly connected with the second casing 15 so as to rotatably connect the first casing 14 and the second casing 15 through the bearing 100. In this way, the first casing 14 can rotate as required, thereby expanding the air supply range of the indoor unit of the air conditioner.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

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

the air conditioner comprises a shell (1), wherein a first air port (11), a second air port (12) and an air inlet are formed in the shell (1), the first air port (11) and the second air port (12) are arranged at intervals, a containing cavity (13) is formed in the shell (1), the containing cavity (13) is communicated with the first air port (11), the second air port (12) and the air inlet, and the air inlet is in a closed state and an open state;

the first ventilation adjusting device (2), the first ventilation adjusting device (2) is arranged in the accommodating cavity (13), the accommodating cavity (13) is divided into a first cavity section (131) and a second cavity section (132) by the first ventilation adjusting device (2), the first cavity section (131) is communicated with the first air opening (11), and the second cavity section (132) is communicated with the air inlet; a main body part of the first ventilation adjusting device (2) is provided with a first channel (21) and a second channel (22), and the first channel (21) and the second channel (22) are selectively communicated;

the air supply structure (3) is provided with a first air duct (31), a second air duct (32) and a third air duct (33), the first air duct (31) is selectively communicated with the second air duct (32) or the third air duct (33) so as to drive air flow to flow from the first air duct (31) to the second air duct (32) or the third air duct (33) through the air supply structure (3), and the first air duct (31) is communicated with the second cavity section (132); the second air duct (32) is communicated with the second passage (22), and the third air duct (33) is communicated with the second air opening (12);

the air conditioner indoor unit has a first working state and a second working state;

when the air-conditioning indoor unit is in the first working state, the first channel (21) is in a conducting state, the first air duct (31) is communicated with the third air duct (33), and the air inlet is in a closing state, so that air flows into the first cavity section (131) from the first air inlet (11), passes through the first channel (21), the second cavity section (132), the first air duct (31) and the third air duct (33) in sequence, and is discharged to the outside of the air-conditioning indoor unit from the second air inlet (12);

when the indoor unit of the air conditioner is in the second working state, the second channel (22) is in a conduction state, the first air duct (31) is communicated with the second air duct (32), and the air inlet is in an opening state, so that air flows into the second cavity section (132) from the air inlet, sequentially passes through the first air duct (31), the second air duct (32), the second channel (22) and the first cavity section (131), and is discharged to the outside of the indoor unit of the air conditioner through the first air inlet (11).

2. Air conditioning indoor unit according to claim 1, characterized in that the first ventilation regulating device (2) comprises a first shutter (23), the first shutter (23) being positionally adjustable with respect to the main body part of the first ventilation regulating device (2) in order to shutter the first channel (21) or the second channel (22) by means of the first shutter (23).

3. The indoor unit of air conditioner according to claim 1, wherein the second air duct (32) and the third air duct (33) are both communicated with the first air duct (31); the air supply structure (3) is internally provided with a wind shielding piece (35), wherein the position of the wind shielding piece (35) is adjustably arranged so as to partition the first air duct (31) from the second air duct (32) through the wind shielding piece (35), or partition the first air duct (31) from the third air duct (33) through the wind shielding piece (35).

4. The indoor unit of claim 1, comprising a damper assembly (4), wherein the damper assembly (4) is disposed at the air inlet, and at least a part of the damper assembly (4) is adjustably disposed to shield or avoid the air inlet through the damper assembly (4) so as to close or open the air inlet.

5. The indoor unit of claim 4, wherein the damper assembly (4) comprises:

the sliding support (41) is provided with a first roller (411) and a second roller (412), and the axis of the first roller (411) and the axis of the second roller (412) form a preset included angle;

a sliding door (42), wherein the sliding door (42) is movably arranged on the sliding bracket (41) in position, a first sliding groove (421) and a second sliding groove (422) are arranged on the sliding door (42), the first roller (411) is arranged along the first sliding groove (421) in a rolling manner, and the second roller (412) is arranged along the second sliding groove (422) in a rolling manner, so that the movement of the sliding door (42) is guided through the first sliding groove (421) and the second sliding groove (422);

the sliding door (42) is provided with a closed position and an open position, and when the sliding door (42) is in the closed position, the sliding door (42) shields the air inlet so as to prevent outside air from entering the interior of the air-conditioning indoor unit through the air inlet; when the sliding door (42) is located at the opening position, the sliding door (42) avoids the air inlet, so that outside air enters the inside of the air-conditioning indoor unit through the air inlet.

6. An air conditioning indoor unit according to any one of claims 1 to 5, further comprising:

the second ventilation adjusting device (5), the second ventilation adjusting device (5) is arranged in the first cavity section (131), the second ventilation adjusting device (5) and the first ventilation adjusting device (2) are arranged at intervals, the first cavity section (131) is divided into a first cavity body (1311) and a second cavity body (1312) by the second ventilation adjusting device (5), and the first cavity body (1311) is communicated with the first air opening (11); a third channel (51) and a fourth channel (52) are arranged on the main body part of the second ventilation adjusting device (5), and the third channel (51) and the fourth channel (52) can be selectively communicated;

a heat exchanging component (6), the heat exchanging component (6) being disposed within the second cavity (1312);

when the air-conditioning indoor unit is in the first working state, the fourth channel (52) is in a conducting state, so that air flows into the second cavity (1312) from the first cavity (1311) and the fourth channel (52) in sequence, exchanges heat through the heat exchange part (6), and flows into the second cavity section (132) from the first channel (21);

when the air-conditioning indoor unit is in the second working state, the third channel (51) is in a conducting state, so that air flows into the second cavity (1312) from the second channel (22), exchanges heat through the heat exchange component (6), and flows into the first cavity (1311) from the third channel (51).

7. The air conditioning indoor unit of claim 6, wherein the second ventilation adjusting device (5) further comprises a second shielding member (53), and the second shielding member (53) is positionally adjustable with respect to a main body portion of the second ventilation adjusting device (5) to shield the third passage (51) or the fourth passage (52) by the second shielding member (53).

8. The indoor unit of claim 6, wherein the heat exchange member (6) has a cylindrical structure, the heat exchange member (6) has a first end surface and a second end surface, the first end surface is connected with the main body part of the second ventilation adjusting device (5), and the second end surface is connected with the main body part of the first ventilation adjusting device (2); the heat exchanging member (6) divides the second cavity (1312) into an inner cavity and an outer cavity, the second passage (22) and the fourth passage (52) are both communicated with the inner cavity, and the first passage (21) and the third passage (51) are both communicated with the outer cavity.

9. An indoor unit of an air conditioner according to claim 2, wherein the first path (21) is provided around the second path (22), the number of the first shielding members (23) is plural, and each of the first shielding members (23) is movably provided in a direction approaching or departing from a center line of the second path (22) so that each of the first shielding members (23) has a first shielding position and a second shielding position; when the indoor unit of the air conditioner is in the first working state, each first shielding piece (23) is located at the first shielding position, and the plurality of first shielding pieces (23) shield the second channel (22) and avoid the first channel (21), so that the second channel (22) is in a blocking state and the first channel (21) is in a conducting state; when the indoor unit of the air conditioner is in the second working state, each first shielding piece (23) is located at the second shielding position, and the plurality of first shielding pieces (23) shield the first channel (21) and avoid the second channel (22), so that the first channel (21) is in a blocking state and the second channel (22) is in a conducting state.

10. Air conditioning indoor unit according to claim 9, characterized in that the first ventilation regulating device (2) further comprises a regulating member (26), the adjusting element (26) is rotatably arranged relative to the main body part of the first ventilation adjusting device (2), a plurality of third guide parts (27) are arranged on the adjusting piece (26), a fourth guide part (28) is arranged on each first shielding piece (23), the third guide portion (27) is engaged with the fourth guide portion (28), the fourth guide portion (28) is slidably provided along an extending direction of the third guide portion (27), so that when the adjusting piece (26) is rotated relative to the main body part of the first ventilation adjusting device (2), the fourth guide portion (28) and the first shutter (23) are driven to move by the third guide portion (27).

11. The indoor unit of air conditioning according to any one of claims 1 to 5, characterized in that the first air duct (31) has a constricted section whose flow cross-sectional dimension, in the direction of flow of the air stream, is gradually reduced; and/or a fan (34) is arranged in the first air duct (31), so that the fan (34) drives the air in the second cavity section (132) to flow into the first air duct (31) through the fan (34), and the fan (34) is a mixed flow fan.

12. The air-conditioning indoor unit of any one of claims 1 to 5, characterized in that the casing comprises a first casing (14) and a second casing (15), the first air opening (11) and the second air opening (12) being provided on the first casing (14); the air-conditioning indoor unit comprises a bearing (100), wherein the bearing (100) is provided with a first ring body and a second ring body which can rotate relatively, the first ring body is fixedly connected with the first shell (14), and the second ring body is fixedly connected with the second shell (15) so that the first shell (14) and the second shell (15) can be rotatably connected through the bearing (100).