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CN-224201777-U - Air duct assembly, air conditioner indoor unit and air conditioning unit

CN224201777UCN 224201777 UCN224201777 UCN 224201777UCN-224201777-U

Abstract

The invention relates to an air duct assembly, an air conditioner indoor unit and an air conditioner unit, wherein the air duct assembly comprises a shell, a centrifugal fan, a first diversion assembly and a first diversion assembly, wherein a reversing air duct is arranged in the shell and is communicated with a first main air outlet and a second air outlet, the centrifugal fan is arranged in the shell and is positioned at the end part of the shell along a first direction, the centrifugal fan comprises a volute assembly, the first outlet is communicated with the reversing air duct, the area of the first outlet is smaller than that of the first main air outlet and the second air outlet, the first diversion assembly is arranged in the reversing air duct and is configured to be rotatably switched between a first position and a second position, so that the air duct assembly is switched between an upper air outlet state and a lower air outlet state, the first outlet is communicated with the first main air outlet under the condition that the first diversion assembly is positioned at the first position, and the first outlet is communicated with the second air outlet under the condition that the first diversion assembly is positioned at the second position. The air duct assembly can widen the air outlet surface.

Inventors

  • YUAN GUOLU
  • MA ZHAOJUN
  • ZHANG SHUAI
  • Lin Xianting

Assignees

  • 珠海格力电器股份有限公司

Dates

Publication Date
20260505
Application Date
20250507

Claims (20)

  1. 1. An air duct assembly, comprising: The shell (1) is provided with a first main air outlet (10) on the top wall (11) thereof, a second air outlet (20) on the bottom wall (12), a reversing air duct (13) is arranged in the shell (1), and the reversing air duct (13) is communicated with the first main air outlet (10) and the second air outlet (20); The centrifugal fan (2) is arranged in the shell (1) and is positioned at the end part of the shell (1) along the first direction (x), the centrifugal fan (2) comprises a volute component (21), a fan outlet (200) is arranged on the circumferential side wall of the volute component (21), the fan outlet (200) comprises a first outlet (201), the first outlet (201) is communicated with the reversing air duct (13), the area of the first outlet (201) is smaller than that of the first main air outlet (10) and that of the second air outlet (20), and The first diversion assembly (3) is arranged in the reversing air duct (13), the first diversion assembly (3) is configured to be rotatably switched between a first position and a second position, so that the air duct assembly is switched between an upper air outlet state and a lower air outlet state, the first outlet (201) is communicated with the first main air outlet (10) when the first diversion assembly (3) is positioned at the first position, and the first outlet (201) is communicated with the second air outlet (20) when the first diversion assembly (3) is positioned at the second position.
  2. 2. The air duct assembly according to claim 1, wherein the two side walls (130) of the reversing air duct (13) are arranged at intervals along a second direction (y), the second direction (y) being perpendicular to the first direction (x), and the first air guiding assembly (3) is connected between the two side walls (130) of the reversing air duct (13) along the second direction (y).
  3. 3. The air duct assembly according to claim 1, wherein the first deflector assembly (3) comprises: A support (33) rotatably connected to a side wall (130) of the reversing air duct (13) about a first rotation axis extending in a second direction (y) perpendicular to the first direction (x), and The first guide plate (31) is arranged at the end part of the bracket (33) far away from the first rotation axis along the radial direction, and the first guide plate (31) is arc-shaped and protrudes towards the direction far away from the first rotation axis.
  4. 4. A wind tunnel assembly according to claim 3, wherein the first deflector assembly (3) further comprises: The second guide plate (32) is arranged on the support (33), the second guide plate (32) and the first guide plate (31) are arranged at intervals in the radial direction of the support (33) and are located on the inner radial side of the first guide plate (31), and the second guide plate (32) is arc-shaped and protrudes towards the direction away from the first rotation axis.
  5. 5. The air duct assembly of claim 4, wherein the bracket (33) comprises: A first portion (331) and a second portion (332), each extending radially, and Third portion (333), be convex and connect in between first portion (331) and second portion (332), first portion (331), second portion (332) with third portion (333) enclose and close and form fan-shaped structure, first guide plate (31) with second guide plate (32) all connect in between first portion (331) with second portion (332).
  6. 6. The air chute assembly according to claim 3, further comprising: And the sealing assembly (4) is arranged at the end part of the bracket (33) which is far away from the first rotation axis in the radial direction, and the sealing assembly (4) is positioned between the bracket (33) and the side wall (130) of the reversing air duct (13).
  7. 7. The air duct assembly according to claim 6, wherein the sealing assembly (4) comprises a first sealing portion (41) and a second sealing portion (42), the first sealing portion (41) is arranged on one side of the support (33) facing away from the first deflector (31), the second sealing portion (42) is arranged on a side wall (130) of the reversing air duct (13), and the first sealing portion (41) and the second sealing portion (42) are in concave-convex fit.
  8. 8. The duct assembly of claim 7, wherein the duct assembly comprises, The first sealing part (41) comprises a first sealing edge (411), the second sealing part (42) comprises a third sealing edge (423), the first sealing edge (411) and the third sealing edge (423) are arc-shaped, the height of the third sealing edge (423) gradually increases in the direction that the first diversion component (3) rotates from the first position to the second position, the third sealing edge (423) is configured to be in concave-convex fit with the first sealing edge (411) when the first diversion component (3) is in the second position, and/or The first sealing part (41) comprises a second sealing edge (412), the second sealing part (42) comprises a fourth sealing edge (424), the second sealing edge (412) and the fourth sealing edge (424) are arc-shaped, the second sealing edge (412) and the first sealing edge (411) are arranged at radial intervals, the fourth sealing edge (424) and the third sealing edge (423) are arranged at radial intervals, the height of the fourth sealing edge (424) is gradually increased in the direction that the first diversion assembly (3) rotates from the second position to the first position, and the fourth sealing edge (424) is configured to be matched with the second sealing edge (412) when the first diversion assembly (3) is located at the first position.
  9. 9. The air duct assembly of claim 1, further comprising: The third sealing part (43) protrudes out of the inner side of the side wall (130) of the reversing air duct (13) in an arc shape, and the third sealing part (43) is positioned on the radial outer side of the movement track of the first guide assembly.
  10. 10. The air duct assembly of claim 1, further comprising: The second flow guide assembly (5) is fixedly arranged in the reversing air duct (13) and is configured to guide the air flow from the first outlet (201) to the first main air outlet (10) or the second air outlet (20) through the first flow guide assembly (3).
  11. 11. The air duct assembly according to claim 10, wherein the housing (1) is provided with an end plate (14) at an end of the housing (1) remote from the centrifugal fan (2) in the first direction (x), the second air guide assembly (5) comprises a third air guide plate (53) and a fourth air guide plate (54), the respective first ends being connected to a region of the end plate (14) close to the top wall (11) and a region of the end plate (14) close to the bottom wall (12), respectively, the respective second ends forming connection ends in an intermediate region of the reversing air duct (13) in a third direction (z), the third direction (z) being perpendicular to the first direction (x), the third air guide plate (53) and the fourth air guide plate (54) being arranged obliquely, and the respective second ends being closer to the centrifugal fan (2) in the first direction (x) than the first ends.
  12. 12. The air duct assembly according to claim 11, wherein the first air guide assembly (3) is rotatable about a first rotational axis, the first air guide assembly (3) comprises a first air guide plate (31), the first air guide plate (31) is arc-shaped and protrudes towards a direction away from the first rotational axis, a first limiting member (131) is arranged at a region of the reversing air duct (13) close to the top wall (11), the first limiting member (131) is configured to limit the first air guide plate (31) to limit the first air guide assembly (3) to the second position, a second limiting member (132) is arranged at a region of the reversing air duct (13) close to the bottom wall (12), and the second limiting member (132) is configured to limit the first air guide plate (31) to limit the first air guide assembly (3) to the first position.
  13. 13. The air duct assembly according to claim 12, wherein two ends of the first air guide plate (31) along the circumferential direction are respectively provided with a first limiting portion (311) and a second limiting portion (312), the first limiting portion (311) and the second limiting portion (312) are both bent towards a direction away from the first rotation axis, the first limiting portion (311) is lapped on the first limiting member (131) when the first air guide assembly (3) is located at the second position, the second limiting portion (312) is lapped on the connecting end, the first limiting portion (311) is lapped on the connecting end when the first air guide assembly (3) is located at the first position, and the second limiting portion (312) is lapped on the second limiting member (132).
  14. 14. The air chute assembly according to claim 13, further comprising: the third sealing part (43) protrudes out of the inner side of the side wall (130) of the reversing air duct (13) in an arc shape, and the third sealing part (43) is sequentially connected with the first limiting part (131), the connecting end and the second limiting part (132).
  15. 15. The air duct assembly according to claim 1, wherein the top wall (11) is provided with a first secondary air outlet (30), the first secondary air outlet (30) being configured to be opened when the air duct assembly is in the upper air outlet state and to be closed when the air duct assembly is in the lower air outlet state, the fan outlet (200) further comprising a second outlet (202), the second outlet (202) being in communication with the first secondary air outlet (30) and the reversing air duct (13), the centrifugal fan (2) further comprising a third air guiding assembly (23), the third air guiding assembly (23) being located between the first outlet (201) and the second outlet (202) in a third direction (z), the third air guiding assembly (23) being configured to separate an upstream air flow and a downstream air flow within the centrifugal fan (2), the third direction (z) being perpendicular to the first direction (x).
  16. 16. The air duct assembly according to claim 15, wherein the centrifugal fan (2) further comprises a centrifugal fan blade (22), the third air guide assembly (23) comprises a fifth air guide plate (235) and a sixth air guide plate (236), the fifth air guide plate (235) and the centrifugal fan blade (22) are coaxially arranged, the sixth air guide plate (236) is connected to the downstream of the fifth air guide plate (235) along the air flow movement direction, and one end of the sixth air guide plate (236) away from the fifth air guide plate (235) is inclined towards the direction approaching the top wall (11).
  17. 17. The air duct assembly according to any one of claims 1-11, wherein two centrifugal fans (2) are provided, and the two centrifugal fans (2) are respectively located at two ends of the housing (1) along the first direction (x).
  18. 18. The air duct assembly according to claim 17, wherein the top wall (11) is provided with two independent first main air outlets (10) along the first direction (x), the bottom wall (12) is provided with two independent second air outlets (20) along the first direction (x), each centrifugal fan (2) is correspondingly provided with the first flow guiding assembly (3), and the first outlet (201) of each centrifugal fan (2) is respectively and selectively communicated with the first main air outlets (10) or the second air outlets (20) on the same side.
  19. 19. The air duct assembly according to claim 17, further comprising two second air guiding assemblies (5) fixedly arranged in the reversing air duct (13) along a middle area of the first direction (x), wherein the two second air guiding assemblies (5) are symmetrical relative to a plane perpendicular to the first direction (x), the second air guiding assemblies (5) are configured to guide the air flow of the first outlet (201) to the first main air outlet (10) or the second air outlet (20), and the first air guiding assemblies (3) are arranged between each centrifugal fan (2) and the second air guiding assemblies (5) on the same side.
  20. 20. The air duct assembly according to claim 17, wherein an angle between an axially inner side (24) of each centrifugal fan (2) and a side wall (130) of the reversing air duct (13) connected to the axially inner side (24) is a first preset angle, which is an obtuse angle.

Description

Air duct assembly, air conditioner indoor unit and air conditioning unit Technical Field The disclosure relates to the technical field of air conditioners, in particular to an air duct assembly, an air conditioner indoor unit and an air conditioning unit. Background As centrifugal fans expand in market application scenes, the air supply quality requirements of the fans are higher and higher. The conventional centrifugal fan discharges air along the centrifugal direction of the volute, so that the air supply distance is long, the air supply surface is narrow, the air speed is concentrated, and special application scenes are difficult to meet. Disclosure of utility model The embodiment of the disclosure provides an air duct assembly, an air conditioner indoor unit and an air conditioning unit, and the air outlet face of the air duct assembly can be widened. According to a first aspect of the present disclosure, there is provided an air duct assembly comprising: the top wall of the shell is provided with a first main air outlet, the bottom wall of the shell is provided with a second air outlet, a reversing air channel is arranged in the shell, and the reversing air channel is communicated with the first main air outlet and the second air outlet; The centrifugal fan is arranged in the shell and positioned at the end part of the shell along the first direction, the centrifugal fan comprises a volute component, a fan outlet is arranged on the circumferential side wall of the volute component, the fan outlet comprises a first outlet, the first outlet is communicated with the reversing air duct, and the area of the first outlet is smaller than that of the first main air outlet and the second air outlet; and The first diversion component is arranged in the reversing air duct and is configured to be rotatably switched between a first position and a second position, so that the air duct component is switched between an upper air outlet state and a lower air outlet state, the first outlet is communicated with the first main air outlet under the condition that the first diversion component is at the first position, and the first outlet is communicated with the second air outlet under the condition that the first diversion component is at the second position. In some embodiments, the two side walls of the reversing air duct are arranged at intervals along a second direction, the second direction is perpendicular to the first direction, and the first diversion component is connected between the two side walls of the reversing air duct along the second direction. In some embodiments, the first flow directing assembly comprises: A bracket rotatably connected to the side wall of the reversing air duct around a first rotation axis extending in a second direction perpendicular to the first direction, and The first guide plate is arranged at the end part of the bracket, which is far away from the first rotation axis in the radial direction, and is arc-shaped and protrudes towards the direction far away from the first rotation axis. In some embodiments, the first flow directing assembly further comprises: The second guide plate is arranged on the support, the second guide plate and the first guide plate are arranged along the radial interval of the support and are positioned on the radial inner side of the first guide plate, and the second guide plate is arc-shaped and protrudes towards the direction away from the first rotation axis. In some embodiments, the stent comprises: the first and second portions each extending radially, and And the third part is arc-shaped and connected between the first part and the second part, the first part, the second part and the third part are enclosed to form a fan-shaped structure, and the first guide plate and the second guide plate are both connected between the first part and the second part. In some embodiments, the air chute assembly further comprises: And the sealing component is arranged at the end part of the bracket, which is radially far away from the first rotation axis, and is positioned between the bracket and the side wall of the reversing air duct. In some embodiments, the seal assembly includes a first seal portion disposed on a side of the support facing away from the first baffle and a second seal portion disposed on a side wall of the reversing air duct, the first seal portion and the second seal portion being in concave-convex engagement. In some embodiments of the present invention, in some embodiments, The first sealing part comprises a first sealing edge, the second sealing part comprises a third sealing edge, the first sealing edge and the third sealing edge are arc-shaped, the height of the third sealing edge gradually increases in the direction that the first diversion component rotates from the first position to the second position, the third sealing edge is configured to be in concave-convex fit with the first sealing edge when the first diversion component is in th