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CN-122029382-A - Air conditioner

CN122029382ACN 122029382 ACN122029382 ACN 122029382ACN-122029382-A

Abstract

An air conditioner includes an outdoor unit and an indoor unit (301), the indoor unit (301) is connected with the outdoor unit, the indoor unit (301) includes a first casing (1), a heat exchanger (40), a first fan assembly (31) and a second fan assembly (721), the first casing (1) includes a first chamber (201) and a second chamber (202) and a third chamber (711), the first chamber (201) is communicated with the second chamber (202), the second chamber (202) is communicated with an indoor space, the first chamber (201) is communicated with the third chamber (711), the third chamber (711) is communicated with the outdoor space, the heat exchanger (40) is arranged in the second chamber (202) and is configured to exchange heat with air in the second chamber (202), the first fan assembly (31) is arranged in the first chamber (201) and is configured to blow air in the first chamber (201) to the second chamber (202), and the second fan assembly (721) is arranged in the third chamber (711) and is configured to blow air in the third chamber (711) to the outdoor space.

Inventors

  • ZHANG FUXIAN
  • LI JINSONG
  • GUO CHAO
  • WANG PENGYU
  • QI BAO
  • HUO XINGHUI
  • ZHANG ZHEN
  • Zhang Mianfang
  • SUN LUJIE
  • ZHAO QIANG

Assignees

  • 青岛海信日立空调系统有限公司

Dates

Publication Date
20260512
Application Date
20240717
Priority Date
20240205

Claims (20)

  1. An air conditioner, comprising: outdoor machine, and The indoor unit, with the off-premises station links to each other, and the indoor unit includes: A first case including a first chamber, a second chamber, and a third chamber, the first chamber being in communication with the second chamber and the third chamber, respectively, the second chamber being in communication with an indoor space, the third chamber being in communication with an outdoor space; A heat exchanger disposed within the second chamber and configured to exchange heat with air within the second chamber; a first fan assembly disposed within the first chamber and configured to blow air within the first chamber toward the second chamber, and A second fan assembly disposed in the third chamber and configured to blow air in the third chamber toward the outdoor space; Under the condition that the first fan assembly and the second fan assembly are in a working state at the same time, a first part of air in the first cavity is blown to the second cavity, and a second part of air in the first cavity is blown to the third cavity; When the first fan assembly is in a stop working state and the second fan assembly is in a working state, air in the first cavity is blown to the third cavity; And under the condition that the first fan assembly is in a working state and the second fan assembly is in a stop working state, air in the first cavity is blown to the second cavity.
  2. The air conditioner of claim 1, wherein the first case includes a first plate and a first opening, the first plate is provided with the first opening, and the first chamber and the third chamber are communicated through the first opening; The first opening includes a first sub-opening; The first fan assembly includes a second housing and a first fan, the first fan being located within the second housing; And taking the plane of the first plate as a first reference plane, wherein the orthographic projection of the first sub-opening on the first reference plane is positioned in the orthographic projection of the second shell on the first reference plane.
  3. The air conditioner according to claim 1 or 2, wherein, The second fan assembly includes a third housing and a second fan, the second fan being located within the third housing; The first opening further comprises a second sub-opening, and the first sub-opening and the second sub-opening are arranged on the first plate at intervals along the axial direction of the second fan; Wherein the orthographic projection of the second shell on the first reference surface coincides with the orthographic projection of the third shell on the first reference surface.
  4. The air conditioner of claim 3, wherein at least one of the first fan and the second fan is a centrifugal fan; The orthographic projection of the second sub-opening on the first reference plane at least partially coincides with the orthographic projection of the third shell on the first reference plane.
  5. The air conditioner as set forth in any one of claims 2-4, wherein axes of said first and second fan assemblies are parallel, The first fan assembly further comprises a first air outlet, and the first air outlet is communicated with the second cavity; The second fan assembly further comprises a second air outlet, and the second air outlet is communicated with the outdoor space; the air outlet directions of the first air outlet and the second air outlet are opposite.
  6. The air conditioner according to any one of claims 3 to 5, wherein, The first fan assembly further comprises a first motor, and the first motor is connected with the first fan to drive the first fan to rotate; the second fan assembly further comprises a second motor, and the second motor is connected with a second fan of the second fan assembly to drive the second fan to rotate.
  7. The air conditioner according to claim 6, wherein, The two ends of the first fan are respectively a first end of the first fan and a second end of the first fan in the axial direction of the first fan, and the two ends of the second fan are respectively a first end of the second fan and a second end of the second fan; The first motor is connected to a first end of the first fan, and the second motor is connected to a second end of the second fan.
  8. The air conditioner according to any one of claims 1 to 7, wherein the first case further includes: A first sub-housing and a second plate configured to divide a space within the first sub-housing into the first cavity and the second cavity, and The second sub-shell is positioned at one side of the first sub-shell, and the third cavity is formed in the second sub-shell; the second fan of the second fan assembly is arranged in the second sub-shell.
  9. The air conditioner of claim 8, wherein a plane in which the second plate is located is a second reference plane, and an orthographic projection of the second sub-case on the second reference plane is located within an orthographic projection of the first sub-case on the second reference plane.
  10. The air conditioner according to any one of claims 1 to 9, wherein the second chamber and the third chamber are located at opposite ends of the first chamber, respectively.
  11. The air conditioner according to any one of claims 1 to 10, wherein, The first shell further comprises a third sub-shell positioned at the bottom of the first shell, the third sub-shell comprising an air outlet frame configured to send out a first portion of air in the first cavity; The air conditioner further comprises a water pan which is arranged below the heat exchanger and is configured to collect the condensation on the heat exchanger; Wherein, the water collector includes: a first section configured to support the heat exchanger; A second section, a first end of which is connected with the first section, a second end of which is higher than the first end of the second section in the height direction of the indoor unit, and an inner wall of which is in a concave arc shape, and And the first end of the third section is connected with the second end of the second section, the second end of the third section is connected with the air outlet frame, and the inner wall surface of the third section is in an upward protruding arc shape.
  12. The air conditioner according to claim 11, wherein the curvature C of the inner wall surface of the second section satisfies the relation C≥0.002.
  13. The air conditioner according to claim 11 or 12, wherein the curvature C of the inner wall surface of the second section satisfies a relation C≤0.014.
  14. The air conditioner according to claim 11 to 13, wherein the air outlet frame includes an air blowing portion configured to flow out air in the second chamber, the air blowing portion being inclined from top to bottom in a direction away from the water tray in a height direction of the indoor unit.
  15. The air conditioner of claim 14, wherein, The air supply part comprises a first guide surface and a second guide surface which are oppositely arranged, and the first guide surface is closer to the water receiving disc than the second guide surface; The first guide surface is connected to the second end of the third section.
  16. The air conditioner according to claim 15, wherein the heat exchanger is disposed to be inclined in a height direction of the indoor unit, an end of the heat exchanger remote from the third sub-case is inclined in a direction of the heat exchanger remote from the first fan assembly, an inclination angle of the heat exchanger to a horizontal direction of the indoor unit is α, an inclination angle of the air supply portion to the height direction of the indoor unit is β, and the α and the β satisfy a relation of |α - β|20 °.
  17. The air conditioner according to claim 15 or 16, wherein the air supply portion further includes a third opening that communicates with the second chamber, the third opening being configured to allow air within the second chamber to flow out; the first guide surface and the second guide surface satisfy at least one of: The part of the first guide surface at least near the side of the third opening is arc-shaped, or At least a portion of the second guide surface adjacent to one side of the third opening is arc-shaped.
  18. The air conditioner according to any one of claims 11 to 17, wherein the first section includes a support portion that protrudes toward the heat exchanger, the heat exchanger abutting against the support portion.
  19. The air conditioner of claim 18, wherein a width of the support part is smaller than a thickness of the heat exchanger in a thickness direction of the heat exchanger.
  20. The air conditioner according to any one of claims 11 to 19, wherein, The third sub-shell further comprises an air inlet frame, wherein the air inlet frame comprises an air inlet part, and the air inlet part is configured to allow air in the indoor space to enter the first cavity; the air outlet frame comprises an air supply part, and at least part of the heat exchanger is positioned above the air supply part.

Description

Air conditioner The application claims priority from the chinese patent application filed on 2024, 02, 05, with application number 202420276379.8; the priority of the chinese patent application of application number 202420276905.0 filed in month 02 of 2024, the priority of the chinese patent application of application number 202420276883.8 filed in month 02 of 2024, the priority of the chinese patent application of application number 202420276920.5 filed in month 02 of 2024, the priority of the chinese patent application of application number 202420276938.5 filed in month 05 of 2024, the priority of the chinese patent application of application number 202420276389.1 filed in month 02 of 2024, the priority of the chinese patent application of application number 202410162057.5 filed in month 02 of 2024, and the priority of the chinese patent application of application number 202420276862.6 filed in month 02 of 2024. Technical Field The present disclosure relates to the field of air conditioning technologies, and in particular, to an air conditioner. Background An air conditioner is a commonly used temperature adjusting device that mainly discharges cooled air obtained through a refrigeration cycle to an indoor space, and main components forming the refrigeration cycle include a compressor, a heat exchanger (condenser and evaporator), a fan, and the like. The area of the heat exchanger directly determines the refrigerating or heating effect of the air conditioner. Disclosure of Invention An air conditioner is provided. The air conditioner includes an outdoor unit and an indoor unit. The indoor unit is connected with the outdoor unit. The indoor unit includes a first shell, a heat exchanger, a first fan assembly and a second fan assembly. The first housing includes a first cavity and a second cavity and a third cavity. The first cavity is communicated with the second cavity, and the second cavity is communicated with the indoor space. The first chamber is in communication with the third chamber, which is in communication with an outdoor space. The heat exchanger is disposed within the second chamber and configured to exchange heat with air within the second chamber. The first fan assembly is disposed within the first chamber and is configured to blow air within the first chamber toward the second chamber. The second fan assembly is arranged in the third cavity and is configured to blow air in the third cavity to the outdoor space. When the first fan assembly and the second fan assembly work simultaneously, part of air in the first cavity is blown to the second cavity, and part of air in the first cavity is blown to the third cavity. The first fan assembly stops working, and when the second fan assembly works, air in the first cavity is blown to the third cavity. When the first fan assembly works and the second fan assembly stops working, air in the first cavity is blown to the second cavity. Drawings Fig. 1 is a perspective view of an indoor unit according to some embodiments; Fig. 2 is a cross-sectional view of an indoor unit according to some embodiments; FIG. 3 is a perspective view of a third sub-shell according to some embodiments; FIG. 4 is a cross-sectional view of a third sub-shell according to some embodiments; FIG. 5 is a block diagram of a first motor assembly of a first sub-housing according to some embodiments; fig. 6 is a perspective view of a drip tray according to some embodiments; fig. 7A is a partial cross-sectional view of an indoor unit according to some embodiments; FIG. 7B is an enlarged view of a portion of FIG. 7A at circle A; FIG. 8 is a schematic view of a related art drip tray and a first heat exchanger; fig. 9 is a partial cross-sectional view of an indoor unit with a first heat exchanger removed according to some embodiments; fig. 10 is a cross-sectional view of an indoor unit with a first sub-casing removed according to some embodiments; FIG. 11 is a cloud plot of wind speeds within an indoor unit according to some embodiments; Fig. 12 is another partial cross-sectional view of an indoor unit according to some embodiments; FIG. 13 is a block diagram of a first heat exchanger and a drip tray according to some embodiments; FIG. 14 is a top view of a first heat exchanger and a drip pan according to some embodiments; FIG. 15 is an enlarged partial view of circle B of FIG. 14; fig. 16 is a top view of a second support and a drip tray according to some embodiments; fig. 17 is a schematic view of an indoor unit of the related art; fig. 18 is another schematic view of an indoor unit according to some embodiments; Fig. 19 is a further schematic view of an indoor unit of the related art; fig. 20 is a perspective view of another indoor unit according to some embodiments; fig. 21 is a cross-sectional view of another indoor unit according to some embodiments; Fig. 22 is a construction diagram of an indoor unit with a third sub-casing removed according to some embodiments; fig. 23 is a perspecti