CN-224201783-U - Indoor unit of air conditioner

CN224201783UCN 224201783 UCN224201783 UCN 224201783UCN-224201783-U

Abstract

The utility model discloses an indoor unit of an air conditioner, which comprises a shell, a cross-flow fan, a first fan structure and a second fan structure, wherein the cross-flow fan comprises an impeller, the first fan structure and the second fan structure are arranged along the circumferential direction of the impeller, the fan structure comprises a volute tongue structure and a volute structure which can rotate relative to the shell, in a first state, the volute tongue structure and the volute structure of the first fan structure respectively form an air outlet volute tongue and an air outlet volute of the impeller to form a first air outlet air channel for air outlet of the cross-flow fan, in a second state, the volute tongue structure and the volute structure of the second fan structure respectively form an air outlet volute tongue and an air outlet volute of the impeller to form a second air outlet air channel for air outlet of the cross-flow fan, the air outlet directions of the first air outlet air channel and the second air outlet air channel are different, in a second state, the volute tongue structure and the volute structure of the first fan structure open shielding an air inlet surface of the impeller, and the volute tongue structure and the volute structure of the second fan structure open shielding an air inlet surface of the impeller.

Inventors

XIONG JIANGUO
MO ZHIHONG
YANG LI
ZHANG YAGUO
WU LIANFA
CHEN YOUYANG
ZHAN CHAOYONG

Assignees

珠海格力电器股份有限公司

Dates

Publication Date: 20260505
Application Date: 20250526

Claims (11)

1. An air conditioning indoor unit, characterized by having a first state and a second state, comprising: a housing (1); The cross flow fan is arranged on the shell (1) and comprises an impeller (44) and two fan structures arranged along the circumferential direction of the impeller (44), the fan structures comprise a volute tongue structure and a volute structure which are arranged on two opposite sides of the impeller (44) and are rotatable relative to the shell (1), the two fan structures comprise a first fan structure and a second fan structure, in a first state, the volute tongue structure and the volute structure of the first fan structure respectively form an air outlet volute tongue and an air outlet volute of the impeller (44), the air outlet volute forms a shielding wall for shielding part of an air inlet surface of the impeller (44), a first air outlet channel for the cross flow fan is formed between the volute tongue structure and the volute structure of the first fan structure, in a second state, the volute tongue structure and the volute structure of the second fan structure respectively form an air outlet tongue structure and an air outlet volute of the impeller (44), in a second state, the air outlet tongue structure and the volute structure of the second fan structure are not opened in the same direction as the first fan structure and the second fan structure, the second fan structure is switched to the second fan structure, the first fan structure and the second fan structure is opened in the air outlet channel is not opened in the second state, and switching from a second state to a first state, wherein the volute tongue structure and the volute structure of the second fan structure rotate in directions away from each other to open the shielding of an air inlet surface of the impeller (44), and in the first state, the air inlet channel of the impeller (44) is formed between the volute tongue structure and the volute structure of the second fan structure.
2. An indoor unit for air conditioning according to claim 1, wherein the volute tongue structure and the volute structure of the first fan structure are both hinged to the casing (1), the volute tongue structure and the volute structure of the second fan structure are both hinged to the casing (1), one of the volute tongue structure and the volute structure of the first fan structure is identical to a hinge shaft of one of the volute tongue structure and the volute structure of the second fan structure, which is hermetically connected to the casing (1), and the other of the volute tongue structure and the volute structure of the first fan structure is identical to a hinge shaft of the other of the volute tongue structure and the volute structure of the second fan structure, which is hermetically connected to the casing (1).
3. An indoor unit for air conditioning according to claim 2, wherein the volute tongue of the first fan structure and the volute of the second fan structure are sealingly connected and hinged to the housing (1) with the same hinge axis, and the volute of the first fan structure and the volute of the second fan structure are sealingly connected and hinged to the housing (1) with the same hinge axis.
4. An air conditioning indoor unit according to any of claims 1 to 3, wherein the volute tongue-like structure and the volute-like structure of the first fan structure comprise an L-shaped bent plate and an arc-shaped plate, respectively, and/or the volute tongue-like structure and the volute-like structure of the second fan structure comprise an L-shaped bent plate and an arc-shaped plate, respectively.
5. An indoor unit for an air conditioner according to any one of claims 1 to 3, further comprising a tuyere member and a heat exchanger (31) provided in the casing (1), the tuyere member comprising a first tuyere assembly (21) and a second tuyere assembly (22), one of the first tuyere assembly (21) and the second tuyere assembly (22) being provided at an upper end of the casing (1), the other of the first tuyere assembly and the second tuyere assembly being provided at a lower end of the casing (1), the cross-flow fan, the heat exchanger (31), the first tuyere assembly (21) and the second tuyere assembly (22) being located in the same direction, and the cross-flow fan and the heat exchanger (31) being located between the first tuyere assembly (21) and the second tuyere assembly (22).
6. The indoor unit of claim 5, wherein the air port component further comprises a first extension wall (231) and a second extension wall (232), the heat exchanger (31) is located between the second air port assembly (22) and the cross flow fan, one end of the first extension wall (231) and one end of the second extension wall (232) are fixedly connected with the first air port assembly (21), and in the first state, an outlet end of the volute tongue-shaped structure of the first air fan structure is aligned with an end of the first extension wall (231) away from the first air port assembly (21), an outlet end of the volute tongue-shaped structure of the first air fan structure is aligned with an end of the second extension wall (232) away from the first air port assembly (21), and the volute tongue-shaped structure of the first air fan structure, the first extension wall (231) and the second extension wall (232) form an air duct supplying air to the first air port assembly (21).
7. The indoor unit of claim 6, wherein the first air port assembly (21) includes a first air port (251), a second air port (252), a first air guide plate (241) for closing and opening the first air port (251), and a second air guide plate (242) for closing and opening the second air port (252), one ends of the first extension wall (231) and the second extension wall (232) are connected to the first air port (251), respectively, and in the first state, a volute-like structure of the first fan structure, the first extension wall (231), and the second extension wall (232) form an air duct for blowing air toward the first air port (251).
8. The air conditioning indoor unit according to claim 6, wherein the tuyere member further comprises a third extension wall (233) and a fourth extension wall (234), the first tuyere assembly (21), the first extension wall (231) and the second extension wall (232) are each located between the third extension wall (233) and the fourth extension wall (234), one end of the second extension wall (232) and one end of the third extension wall (233) are fixedly connected with the housing (1), and in the second state, an outlet end of the volute-like structure of the first fan structure is connected with an end of the third extension wall (233) remote from the housing (1), and an outlet end of the volute-like structure of the first fan structure is connected with an end of the fourth extension wall (234) remote from the housing (1).
9. An indoor unit for an air conditioner according to claim 5, wherein the heat exchanger (31) comprises a first heat exchanging portion (311) and a second heat exchanging portion (312) arranged in a V-shape, the V-shaped opening of the heat exchanger (31) being directed towards the cross flow fan, and in the second state, the volute tongue structure of the second fan structure and the outlet of the volute tongue and the outlet of the volute are directed towards the V-shaped opening of the heat exchanger (31).
10. The indoor unit of claim 9, wherein the second air port assembly (22) includes a third air port (253), a fourth air port (254), a third air guide plate (243) for closing and opening the third air port (253), and a fourth air guide plate (244) for closing and opening the fourth air port (254), the third air port (253) and the fourth air port (254) being opposite to the first heat exchanging portion (311) and the second heat exchanging portion (312), respectively.
11. The indoor unit of claim 10, further comprising a water pan (32), wherein the cross flow fan is located above the heat exchanger (31), the second air port assembly (22) includes a connection portion connecting the third air port (253) and the fourth air port (254), the water pan (32) is located between the heat exchanger (31) and the second air port assembly (22) and wraps the heat exchanger (31) near a bottom of the second air port assembly (22), and the water pan (32) is located on the connection portion.

Description

Indoor unit of air conditioner Technical Field The utility model relates to the technical field of air conditioners, in particular to an air conditioner indoor unit. Background With the technical development of the air conditioner indoor unit industry, people have higher experience requirements on the use quality of the air conditioner indoor unit. The air conditioner indoor units in the current mainstream share the same air duct for cooling and heating, for example, some air conditioner wall-mounted units. This can result in a limited air supply range, and during refrigeration, cold air is blown downwards due to the heavy density of cold air, resulting in cold feet and hot heads, resulting in uncomfortable experiences. The conventional cooling, heating and air supply direction conversion is realized by increasing the rotation of the lower air deflector, so that the lower hot air supply and the horizontal cold air supply are realized, the air direction can be changed only in a certain range by using the air deflector, and the air supply range is not obviously improved. When the air deflector is used in the air duct for reversing, the passing area can be changed, and the ventilation area can be small in some cases, so that the air supply resistance is increased. Disclosure of utility model The utility model aims to provide an air conditioner indoor unit with a plurality of air outlet directions and a compact structure. The utility model discloses an air conditioner indoor unit, which has a first state and a second state, and comprises: A housing; The cross flow fan is arranged on the shell and comprises an impeller and two fan structures arranged along the circumferential direction of the impeller, the fan structures comprise volute tongue structures and volute structures which are arranged on two opposite sides of the impeller and can rotate relative to the shell, the two fan structures comprise a first fan structure and a second fan structure, in a first state, the volute tongue structures and the volute structures of the first fan structure respectively form an air outlet volute tongue and an air outlet volute of the impeller, the air outlet volute forms a shielding wall for shielding part of an air inlet surface of the impeller, a first air outlet air channel for air outlet of the cross flow fan is formed between the volute tongue structures and the volute structures of the first fan structure, in a second state, the volute tongue structures and the volute structures of the second fan structure respectively form an air outlet volute tongue and an air outlet volute of the impeller, a shielding wall for shielding part of an air inlet surface of the impeller is formed between the volute tongue structures and the volute structures of the second fan structure, and a second air outlet air channel for air outlet of the cross flow fan is formed between the volute structures and the second air outlet channel is different from the first air outlet air channel and the second air outlet channel; the first fan structure is switched from a first state to a second state, the volute tongue structure and the volute structure of the first fan structure rotate in directions away from each other to open the shielding of the air inlet surface of the impeller, an air inlet channel of the impeller is formed between the volute tongue structure and the volute structure of the first fan structure in the second state, the second fan structure is switched from the second state to the first state, the volute tongue structure and the volute structure of the second fan structure rotate in directions away from each other to open the shielding of the air inlet surface of the impeller in the first state, and an air inlet channel of the impeller is formed between the volute tongue-shaped structure and the volute-shaped structure of the second fan structure. In some embodiments, the volute tongue and the volute of the first fan structure are both hinged to the housing, the volute and the tongue of the second fan structure are both hinged to the housing, one of the volute and the tongue of the first fan structure is identical to the hinge shaft of the other of the volute and the tongue of the second fan structure, which is sealingly connected to the housing, and the hinge shaft of the other of the volute and the tongue of the first fan structure, which is sealingly connected to the other of the volute and the tongue of the second fan structure, which is hinged to the housing. In some embodiments, the volute tongue structure of the first fan structure and the volute tongue structure of the second fan structure are in sealed connection and are identical in hinge axis hinged to the housing, and the volute tongue structure of the first fan structure and the volute tongue structure of the second fan structure are in sealed connection and are identical in hinge axis hinged to the housing. In some embodiments, the volute tongue and volute structur