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CN-224201781-U - Air duct assembly, air conditioner indoor unit and air conditioning unit

CN224201781UCN 224201781 UCN224201781 UCN 224201781UCN-224201781-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, two centrifugal fans, a water receiving part and a heat exchanger, wherein a first opening is formed in the middle area of the air duct assembly along a first direction, the two centrifugal fans are respectively arranged at two ends of the air duct assembly along the first direction, the central axes of the centrifugal fans are consistent with the first direction, a fan inlet is formed in the end portion of the centrifugal fans along the central axes, the water receiving part is arranged in the shell through the first opening, the water receiving part is of a cylindrical structure and extends along the first direction, the water receiving part is connected between the two centrifugal fans, collecting ports are formed at two ends of the water receiving part, the collecting ports are communicated with fan inlets on the same side, a second opening is formed in the side wall of the water receiving part, which is close to the first opening along a second direction, the second direction is perpendicular to the first direction, and the heat exchanger is arranged in the second opening and closes the second opening.

Inventors

  • YUAN GUOLU
  • MA ZHAOJUN
  • ZHOU JIANBO
  • Chen Senqun

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: A housing (1) provided with a first opening (15) along a middle region of a first direction (x); The centrifugal fan (2) is arranged at the end part of the shell (1) along the first direction (x), the centrifugal fan (2) comprises centrifugal fan blades (25), and the end part of the centrifugal fan (2) along the central axis is provided with a fan inlet (21); a water receiving part (4) installed in the shell (1) through the first opening (15), wherein the water receiving part (4) is in a cylindrical structure and extends along the first direction (x), the water receiving part (4) is arranged at one side of the centrifugal fan (2) along the first direction (x), the water receiving part (4) is provided with a collecting opening (43) at the end part provided with the centrifugal fan (2), the collecting opening (43) is communicated with the fan inlet (21) at the same side, a second opening (40) is arranged on the side wall of the water receiving part (4) close to the first opening (15) along the second direction (y), and the second direction (y) is perpendicular to the first direction (x), and And a heat exchanger (3) which is arranged in the second opening (40) and closes the second opening (40).
  2. 2. A wind tunnel assembly according to claim 1, characterised in that the inner wall of the water receiving member (4) is provided with a first guide portion at a side of the intermediate region near the collecting opening (43) in the first direction (x), the first guide portion being configured to guide the air flow through the heat exchanger (3) to the collecting opening (43) on the corresponding side.
  3. 3. The air duct assembly according to claim 2, wherein the first guiding portion comprises at least two first ribs (45), an air flow guiding channel being formed between two adjacent first ribs (45), the first ribs (45) extending from a bottom region of the water receiving member (4) towards a direction away from the second opening (40) and to an end of the water receiving member (4).
  4. 4. A duct assembly according to claim 3, characterized in that the first ribs (45) extend helically.
  5. 5. A wind tunnel assembly according to claim 3, characterised in that the water receiving member (4) has an end wall (44), the end wall (44) is provided with a collecting opening (43) opposite to the fan inlet (21), the first ends of the first ribs (45) are located in the bottom area of the water receiving member (4), the second ends of the first ribs (45) extend to abut against the end wall (44), and the second ends of at least two first ribs (45) abut against the end wall (44) at different positions in the circumferential direction.
  6. 6. The air duct assembly of claim 5, wherein the end wall (44) is inclined towards the centrifugal fan (2) in the first direction (x) from radially outer side to inner side.
  7. 7. A wind tunnel assembly according to claim 1, characterised in that the bottom of the water receiving part (4) is provided with a water collection sump (46) in a middle area of the first direction (x), the inner side walls around the water collection sump (46) being inclined to guide condensed water into the water collection sump (46).
  8. 8. The air duct assembly according to claim 7, wherein the inner side wall of the water receiving member (4) is provided with a second guide portion configured to guide condensed water of the inner wall of the water receiving member (4) into the water collecting tank (46).
  9. 9. The air duct assembly of claim 8, wherein the second guide member comprises a second bead (47), a first end of the second bead (47) being located near a bottom region of the sump (46); The second ends of the second ribs (47) extend to a top position of the water receiving member (4) along the middle area of the first direction (x), or the second ends of the second ribs (47) extend to a top position of the water receiving member (4) along the end of the first direction (x).
  10. 10. The air duct assembly according to claim 8, wherein the second guide is provided in an inner wall of the water receiving part (4) at a side remote from the second opening (40).
  11. 11. The air duct assembly according to any one of claims 1-10, wherein the heat exchanger (3) is in the form of an outwardly protruding arc plate.
  12. 12. The air duct assembly according to claim 11, wherein the water receiving member (4) comprises a first side wall section (41) and a second side wall section (42) in the circumferential direction, the second side wall section (42) having a radial dimension larger than the radial dimension of the first side wall section (41), the second opening (40) being provided on the second side wall section (42).
  13. 13. The air duct assembly according to any one of claims 1-10, wherein a fan outlet (22) of the centrifugal fan (2) is located in a top area, the fan outlet (22) is configured to emit air in a second direction (y) towards a direction away from the heat exchanger (3), the second direction (y) being perpendicular to the first direction (x); The heat exchanger (3) comprises at least two heat exchange sections arranged along a third direction (z), at least two heat exchange sections tapering from top to bottom along the first direction (x), the third direction (z) being perpendicular to the first direction (x) and the second direction (x).
  14. 14. A wind tunnel assembly according to claim 13, characterised in that the heat exchanger (3) is stepped on both sides in the first direction (x).
  15. 15. The air duct assembly according to any one of claims 1-10, wherein the heat exchanger (3) comprises fins, and air inlet channels (30) are formed between the fins, and the air inlet channels (30) are inclined downwards relative to the normal direction of the position.
  16. 16. The air duct assembly according to any one of claims 1-10, wherein a fan outlet (22) of the centrifugal fan (2) is located in the top area, and the fan outlet (22) is configured to emit air in a direction away from the heat exchanger (3) along the second direction (y); The casing (1) includes roof (11), be equipped with first air outlet (10) and second air outlet (20) on roof (11), first air outlet (10) are located along first direction (x) centrifugal fan (2) are regional outside, second air outlet (20) are followed first direction (x) cover fan export (22), the top of water receiving part (4) with form the air-out passageway between roof (11), fan export (22) are passed through the air-out passageway with first air outlet (10) intercommunication.
  17. 17. The air duct assembly according to any one of claims 1-10, wherein two centrifugal fans (2) are provided, the two centrifugal fans (2) are respectively arranged at two ends of the shell (1) along the first direction (x), the water receiving component (4) is located between the two centrifugal fans (2), and the two ends of the water receiving component (4) along the first direction (x) are respectively provided with the current collecting ports (43).
  18. 18. The air duct assembly according to any one of claims 1-10, wherein a central axis of the centrifugal fan blade (25) is consistent with the first direction (x), and the heat exchanger (3) extends entirely along the first direction (x).
  19. 19. An air conditioning indoor unit comprising the duct assembly of any of claims 1-18.
  20. 20. An air conditioning unit comprising the air conditioning indoor unit of claim 19.

Description

Air duct assembly, air conditioner indoor unit and air conditioning unit Technical Field The disclosure relates to the technical field of air conditioning units, and in particular relates to an air duct assembly, an air conditioning indoor unit and an air conditioning unit. Background Centrifugal fans are widely applied to air conditioning devices, and when the existing air conditioning devices work, irregular abnormal noise is usually generated in an internal air duct component, and the phenomenon can influence user experience to a certain extent. Disclosure of utility model The embodiment of the disclosure provides an air duct assembly, an air conditioner indoor unit and an air conditioning unit, which can reduce abnormal noise in the working process of the air duct assembly. According to a first aspect of the present disclosure, there is provided an air duct assembly comprising: a housing provided with a first opening along a middle area of the first direction; The centrifugal fan is arranged at the end part of the shell along the first direction and comprises a centrifugal fan blade, the central axis of the centrifugal fan blade is consistent with the first direction, and a fan inlet is formed in the end part of the centrifugal fan along the central axis; The water receiving component is arranged in the shell through a first opening, is in a cylindrical structure and extends along a first direction, is arranged on one side of the centrifugal fan along the first direction, is provided with a collecting port at the end part provided with the centrifugal fan, is communicated with a fan inlet on the same side, is provided with a second opening along a second direction, is perpendicular to the first direction, and is connected with a water inlet of the centrifugal fan along a second direction, and is connected with a water inlet of the centrifugal fan along a third direction, wherein the water inlet of the centrifugal fan is connected with the water inlet of the centrifugal fan along the third direction The heat exchanger is arranged in the second opening and seals the second opening. In some embodiments, the inner wall of the water receiving part is provided with a first guide portion at a side of the middle region near the collecting port in the first direction, the first guide portion being configured to guide the air flow passing through the heat exchanger to the collecting port at the corresponding side. In some embodiments, the first guide portion includes at least two first ribs, an air flow guide channel is formed between two adjacent first ribs, and the first ribs extend from the bottom region of the water receiving member toward a direction away from the second opening and to an end of the water receiving member. In some embodiments, the first bead extends helically. In some embodiments, the water receiving component has an end wall, the end wall is provided with a water collecting port opposite to the inlet of the fan, the first end of the first convex rib is located in the bottom area of the water receiving component, the second end of the first convex rib extends to be abutted against the end wall, and the second ends of the at least two first convex ribs are abutted against different positions of the end wall along the circumferential direction. In some embodiments, the end wall is sloped in a first direction from radially outward to inward toward the centrifugal fan. In some embodiments, the bottom of the water receiving member is provided with a water collecting trough in a middle region in the first direction, and an inner side wall around the water collecting trough is inclined to guide condensed water into the water collecting trough. In some embodiments, the inner side wall of the water receiving part is provided with a second guide configured to guide condensed water of the inner wall of the water receiving part into the water collecting tank. In some embodiments, the second guide member comprises a second bead, a first end of the second bead being located near a bottom region of the sump; The second ends of the second ribs extend to the top position of the middle area of the water receiving component along the first direction, or the second ends of the second ribs extend to the top position of the end part of the water receiving component along the first direction. In some embodiments, the second guide is provided on an inner wall of the water receiving member on a side remote from the second opening. In some embodiments, the heat exchanger is in the form of an outwardly projecting arcuate plate. In some embodiments, the water receiving member comprises a first sidewall section and a second sidewall section in the circumferential direction, the second sidewall section having a radial dimension greater than the radial dimension of the first sidewall section, the second opening being provided in the second sidewall section. In some embodiments, the fan outlet of the centrifugal fan is loc