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CN-224215455-U - Indoor unit of air conditioner

CN224215455UCN 224215455 UCN224215455 UCN 224215455UCN-224215455-U

Abstract

The utility model discloses an indoor unit of an air conditioner, which comprises a shell, a heat exchanger, a cross-flow fan, a reversing plate, a driving piece, a first volute tongue and a second volute tongue, wherein the cross-flow fan comprises an impeller, a reversing plate, the driving piece and the first volute tongue are arranged on two opposite sides of the impeller, in a first state, a first end of the reversing plate is connected with the first volute tongue, the reversing plate and the first volute tongue form a blocking wall, a first air channel for air outlet of the impeller is formed by the reversing plate, the second end of the reversing plate and the second volute tongue, in a second state, the reversing plate is opposite to the first volute tongue, a blocking wall for blocking part of an air inlet surface of the impeller is formed by the reversing plate, the second volute tongue and the first volute tongue, the air outlet direction of the second air channel is different from the second end of the reversing plate, and the air outlet direction of the first air channel is different from the air outlet direction of the second air channel, and the driving device drives the reversing plate to act relatively to enable the indoor unit to switch between the first state and the second state.

Inventors

  • SU HUA

Assignees

  • 珠海格力电器股份有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (11)

  1. 1. An air conditioning indoor unit, characterized by having a first state and a second state, comprising: a housing (1); the heat exchanger (2) is arranged on the shell (1); The cross flow fan is arranged on the shell (1) and comprises an impeller (3), a reversing plate (4) movably arranged relative to the shell (1), a driving device for driving the reversing plate (4) to act relative to the shell (1), and a first volute tongue (51) and a second volute tongue (52) which are arranged on two opposite sides of the impeller (3); Wherein in the first state, a first end of the reversing plate (4) is connected with the first volute tongue (51), the reversing plate (4) is opposite to the second volute tongue (52), the reversing plate (4) and the first volute tongue (51) form a shielding wall for shielding part of the air inlet surface of the impeller (3), the reversing plate (4), the first volute tongue (51) and the second volute tongue (52) form a first air channel (421) for air outlet of the impeller (3), the air outlet direction of the first air channel (421) is from the first end of the reversing plate (4) to the second end of the reversing plate (4), in the second state, the second end of the reversing plate (4) is connected with the second volute tongue (52), the reversing plate (4) is opposite to the first volute tongue (51), the reversing plate (4) and the second volute tongue (52) form a first air channel (421) for air outlet of the impeller (3), the air outlet direction of the first volute tongue (52) is from the second volute tongue (52), the air outlet direction of the second air duct (422) is different from the air outlet direction of the second air duct (422) along the second end of the reversing plate (4) to the first end of the reversing plate (4), wherein the driving device drives the reversing plate to act relative to the shell (1) so as to enable the indoor unit of the air conditioner to be switched between a first state and a second state.
  2. 2. An indoor unit for air-conditioning according to claim 1, wherein the reversing plate (4) comprises a first plate body (41) and a second plate body (42) hinged with respect to the casing (1), the hinge axes of the first plate body (41) and the second plate body (42) are the same with respect to the casing (1), and the driving means comprises a first driving member connected with the first plate body (41) and a second driving member connected with the second plate body (42) in a driving manner, and the first driving member drives the first plate body (41) to rotate with respect to the casing (1) and the second driving member drives the second plate body (42) to rotate with respect to the casing (1) so as to switch the indoor unit between the first state and the second state.
  3. 3. An indoor unit for air conditioning according to claim 2, wherein the surface of the first plate body (41) facing the impeller (3) is an arcuate surface, the surface of the second plate body (42) facing the impeller (3) is an arcuate surface, and both the surface of the first plate body (41) facing the impeller (3) and the surface of the second plate body (42) facing the impeller (3) are tangential in the first state and the second state.
  4. 4. The indoor unit of claim 1, wherein the first scroll (51) and the second scroll (52) each include an L-shaped bent plate including a first sub-plate (531) and a second sub-plate (532) connected to each other, the first sub-plate (531) being disposed around an outer peripheral surface of the impeller (3), the second sub-plate (532) extending in a direction away from the outer peripheral surface of the impeller (3), in a first state, a first end of the reversing plate (4) being connected to the first sub-plate (531) of the first scroll (51), a second end of the reversing plate (4) being opposite to the second sub-plate (532) of the second scroll (52) and forming opposite duct walls of the first duct (421), and in a second state, a first end of the reversing plate (4) being connected to the first sub-plate (531) of the second scroll (52) and forming opposite duct walls of the second scroll (422) of the second scroll (52).
  5. 5. The indoor unit of claim 4, wherein the cross-flow fan further comprises a growth plate (6) movable relative to the housing (1), wherein in the first state, the growth plate (6) shields a part of the air inlet surface of the impeller (3) and is in sealing connection with a first sub-plate (531) of the first volute tongue (51), and in the first state, the first state is switched to the second state, and the growth plate (6) opens the shielding of a part of the air inlet surface of the impeller (3).
  6. 6. An indoor unit for air conditioning according to claim 5, wherein the extension plate (6) is hinged to an end of the first sub-plate (531) of the first volute tongue (51) remote from the second sub-plate (532), the extension plate (6) being rotatable with respect to the first sub-plate (531) when the first state and the second state are switched.
  7. 7. The indoor unit of claim 6, wherein the cross flow fan further comprises an air deflector (7), the air deflector (7) is opposite to an included angle between the first sub-plate (531) and the second sub-plate (532) of the first volute tongue (51), and an air guiding surface of the air deflector (7) is used for guiding air to an air inlet surface of the impeller (3).
  8. 8. The indoor unit of claim 7, wherein the air guide plate (7) includes a guide plate and a limit plate, the guide plate is opposite to an included angle between a first sub-plate (531) and a second sub-plate (532) of the first volute tongue (51), an air guide surface of the air guide plate (7) is provided on the guide plate, in the second state, the limit plate is in contact with the growth plate (6) to limit the growth plate (6), and a distance between the growth plate (6) and a central axis of the impeller (3) is not greater than a distance between the air guide surface and the central axis of the impeller (3).
  9. 9. An air conditioning indoor unit according to claim 1, characterized in that the first volute tongue (51) and/or the second volute tongue (52) are rotatable relative to the central axis of the impeller (3).
  10. 10. An air conditioning indoor unit according to any of claims 1 to 9, characterized in that the heat exchanger (2) comprises a first heat exchange section (21), a second heat exchange section (22) and a third heat exchange section (23) arranged surrounding the impeller (3) and connected in sequence.
  11. 11. The air conditioning indoor unit according to any of claims 1 to 9, wherein the air conditioning indoor unit comprises an air conditioning wall mounted unit, and the air outlet direction of the first air duct (421) and the air outlet direction of the second air duct (422) are directed one above and the other below.

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 unit of the current main stream is used for cooling and heating by sharing the same air duct. 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, and the air supply range is not obviously improved. 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 heat exchanger is arranged on the shell; The cross flow fan is arranged on the shell and comprises an impeller, a reversing plate movably arranged relative to the shell, a driving piece for driving the reversing plate to act relative to the shell, and a first volute tongue and a second volute tongue which are arranged on two opposite sides of the impeller; The first end of the reversing plate is connected with the first volute tongue in the first state, the reversing plate is opposite to the second volute tongue, the reversing plate and the first volute tongue form a shielding wall for shielding part of an air inlet surface of the impeller, the reversing plate, the first volute tongue and the second volute tongue form a first air channel for air outlet of the impeller, the air outlet direction of the first air channel is from the first end of the reversing plate to the second end of the reversing plate, in the second state, the second end of the reversing plate is connected with the second volute tongue, the reversing plate is opposite to the first volute tongue, the reversing plate, the second volute tongue and the first volute tongue form a second air channel for air outlet of the impeller, the air outlet direction of the second air channel is from the second end of the reversing plate to the second end of the reversing plate, and the first air channel is driven in the same direction as the first air channel, and the second air channel is driven by the reversing device, and the reversing device is driven in the same direction as the first air channel. In some embodiments, the reversing plate comprises a first plate body and a second plate body hinged relative to the shell, the first plate body and the second plate body are the same as each other in hinge shafts relative to the shell, the driving device comprises a first driving piece connected with the first plate body in a driving mode and a second driving piece connected with the second plate body in a driving mode, the first plate body is driven to rotate relative to the shell through the first driving piece, and the second plate body is driven to rotate relative to the shell through the second driving piece, so that the indoor unit of the air conditioner can be switched between a first state and a second state. In some embodiments, the surface of the first plate facing the impeller is arcuate, the surface of the second plate facing the impeller is arcuate, and the surface of the first plate facing the impeller and the surface of the second plate facing the impeller are both tangential in the first state and the second state. In some embodiments, the first and second scroll tabs each include an L-shaped bent plate including first and second interconnected sub-plates, the first sub-plate disposed about the outer peripheral surface of the impeller and the second sub-plate extending away from the outer peripheral surface of the impeller, in a first state, a first end of the reversing plate is connected to the first sub-plate of the first scroll tab, a second end of the reversing plate is opposite the second sub-plate of the second scroll tab and forms an opposite duct wall of the first duct, and in a second state, the first end of the reversing plate is connected to the first sub-plate of the second scroll tab, the second end of the reversing plate is opposite the second sub-plate of the first scroll tab and forms an opposite duct wall of the second duct. In some embodiments, the through-flow fan further includes a growth plate movable relative to the housing, in the first state, the growth plate shielding a portion of the air intake face of the impeller and being in sealing connection with the first sub-plate of the first vo