CN114110777A - Air conditioner indoor unit and air conditioner with same - Google Patents

Air conditioner indoor unit and air conditioner with same Download PDF

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Publication number
CN114110777A
CN114110777A CN202111448039.6A CN202111448039A CN114110777A CN 114110777 A CN114110777 A CN 114110777A CN 202111448039 A CN202111448039 A CN 202111448039A CN 114110777 A CN114110777 A CN 114110777A
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CN
China
Prior art keywords
air
shell
volute
side wall
air guide
Prior art date
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Granted
Application number
CN202111448039.6A
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Chinese (zh)
Other versions
CN114110777B (en
Inventor
李明泽
陈振明
越飞
肖庆
陈顺
张敏雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202111448039.6A priority Critical patent/CN114110777B/en
Publication of CN114110777A publication Critical patent/CN114110777A/en
Application granted granted Critical
Publication of CN114110777B publication Critical patent/CN114110777B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention provides an air conditioner indoor unit and an air conditioner with the same, wherein the air conditioner indoor unit comprises a shell, an air supply mechanism and a sealing mechanism; the air supply mechanism is arranged at the air outlet of the shell; the air supply mechanism comprises fan blades and an air guide shell, and the air guide shell is enclosed into a communicating air guide channel; when the air guide shell is controlled to rotate to different angles, the direction of the air flow sent out by the air guide channel is changed; the air flow path is optimized, and the air output loss is reduced; the sealing mechanism comprises a first sealing mechanism and/or a second sealing mechanism which are respectively used for sealing a gap between the front volute and the front side wall of the shell and a gap between the rear volute and the rear side wall of the shell; the bottom shell and the air supply mechanism are effectively sealed, so that the problem of air output reduction caused by air leakage from a gap is avoided; be equipped with limit structure between wind-guiding shell and casing, the wind-guiding shell can be controlled to rotate to predetermineeing the position for the wind-guiding shell rotates at reasonable scope, avoids the too big problem that leads to the air output to reduce of wind-guiding shell turned angle.

Description

Air conditioner indoor unit and air conditioner with same
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to an air conditioner indoor unit and an air conditioner with the same.
Background
In the existing air conditioner, an air supply mechanism comprises a shell, an air inlet assembly, a fan blade and an air outlet assembly, when air supply is needed, the fan blade rotates, air is discharged from the air inlet assembly, the fan blade and the air outlet assembly, and the air outlet direction and angle of the air conditioner are mainly adjusted by up-and-down swinging of an air deflector; the air guide plate can reduce the air output of the air conditioner in the swinging process, so that the energy efficiency of the air conditioner is reduced, and meanwhile, the swinging angle range of the air guide plate is small, so that the air supply area is reduced and the air supply distance is shortened; it is proposed to provide a rotatable volute at the air outlet to achieve large-angle and large-range air supply, but this scheme requires a sealing element between the volute and the housing to seal the gap between the volute and the housing; the existing sealing element has a complex structure and is not tight in sealing, so that the air output is small.
Disclosure of Invention
In view of this, the invention provides an air conditioner indoor unit and an air conditioner with the same, so as to solve the problems of small air output of an air supply mechanism, complex sealing structure, loose sealing and the like in the prior art.
The invention provides an air-conditioning indoor unit, which comprises a shell, an air supply mechanism and a sealing mechanism, wherein the shell is provided with a sealing ring; the shell is provided with a shell front side wall and a shell rear side wall;
the shell is provided with an air inlet and a first air outlet, and the air supply mechanism is arranged at the first air outlet;
the air supply mechanism comprises a fan blade and an air guide shell which can be rotationally arranged around the periphery of the fan blade, the air guide shell is provided with an air suction opening and a second air outlet, and the air suction opening is used for being communicated with the air inlet; the air guide shell comprises a front volute and a rear volute, and the front volute and the rear volute enclose an air guide channel communicated with the air suction opening and the second air outlet; when the air guide shell is controlled to rotate to different angles, the positions of the air suction opening and the second air outlet are correspondingly changed, so that the direction of air flow sent out by the air guide channel is changed;
the sealing mechanism comprises a first sealing mechanism arranged between the front volute and the front side wall of the shell and/or a second sealing mechanism arranged between the rear volute and the rear side wall of the shell;
the first sealing mechanism includes a first windbreak cloth deployable/windable sealed between the forward volute and the housing forward sidewall, and the second sealing mechanism includes a second windbreak cloth deployable/windable sealed between the aft volute and the housing aft sidewall.
Further optionally, the first sealing mechanism includes a first spool rotatably disposed on one of the forward volute and the housing forward sidewall; one end of the first windproof cloth is wound on the first winding shaft, and the other end of the first windproof cloth is arranged on the other of the front volute and the front side wall of the shell.
Further optionally, the first spool is rotatably disposed on the housing front side wall; the first sealing mechanism further comprises a first coil spring, one end of the first coil spring is fixedly connected with the front side wall of the shell, and the other end of the first coil spring is fixedly connected with the first reel;
the other end of the first windproof cloth is arranged on the front volute through a first connecting structure;
when the wind guide shell is controlled to rotate and the first connecting structure is far away from the first reel, the front volute pulls the other end of the first windproof cloth to move through the first connecting structure, one part of the first windproof cloth is unfolded from the first reel and seals a gap between the front volute and the front side wall of the shell, the first reel rotates, and the first coil spring stores energy;
when the wind guide shell is controlled to rotate and the first connecting structure is close to the first reel, the first reel is driven to rotate by the first spring, and then a part of the first windproof cloth is wound on the first reel.
Further optionally, the first connecting structure includes a first clamping piece and a first clamping groove, the first clamping piece is connected with the other end of the first windproof cloth, and the first clamping groove is disposed on the front volute;
the first clamping piece is matched with the first clamping groove to enable the other end of the first windproof cloth to be arranged on the front volute.
Further optionally, the second sealing mechanism includes a second spool rotatably disposed on one of the rear volute and housing rear sidewall; one end of the second windproof cloth is wound on the second winding shaft, and the other end of the second windproof cloth is arranged on the other of the rear volute and the rear side wall of the shell.
Further optionally, the second reel is rotatably disposed on the housing rear side wall; the second sealing mechanism further comprises a second coil spring, one end of the second coil spring is fixedly connected with the rear side wall of the shell, and the other end of the second coil spring is fixedly connected with the second reel;
the other end of the second windproof cloth is arranged on the rear volute through a second connecting structure;
when the air guide shell is controlled to rotate and the second connecting structure is far away from the second reel, the rear volute pulls the other end of the second windproof cloth to move through the second connecting structure, one part of the second windproof cloth is unfolded from the second reel and seals a gap between the rear volute and the rear side wall of the shell, the second reel rotates, and the second coil spring stores energy;
when the wind guide shell is controlled to rotate and the second connecting structure is close to the second reel, the second coil spring releases energy and drives the second reel to rotate, and then a part of the second windproof cloth is wound on the second reel.
Further optionally, the second connecting structure includes a second clamping piece and a second clamping groove, the second clamping piece is connected with the other end of the second windproof cloth, and the second clamping groove is arranged on the rear volute;
the second clamping piece is matched with the second clamping groove to enable the other end of the second windproof cloth to be arranged on the rear volute.
Further optionally, the air guide shell has a plurality of preset positions in the rotation direction of the air guide shell, and a limiting structure is arranged between the air guide shell and the shell, so that when the air guide shell is controlled to rotate, the air guide shell can rotate to the preset positions under the limiting effect of the limiting structure.
Further optionally, the air guide shell has a first preset position in the rotation direction of the air guide shell; when the air guide shell is controlled to rotate to a first preset position, the airflow direction exhausted through the second air outlet is along the horizontal direction;
the limiting structure comprises a first limiting piece and a second limiting piece, and the first limiting piece is arranged on one side, close to the front side wall of the shell, of the front volute; the second limiting piece is formed on one side, close to the front volute, of the front side wall of the shell;
when the air guide shell is controlled to rotate to a first preset position, the first limiting piece is in contact fit with the second limiting piece, and the air guide shell is limited to continue rotating.
Further optionally, the air guide shell has a second preset position in the rotation direction of the air guide shell; when the air guide shell is controlled to rotate to a second preset position, the airflow discharged through the second air outlet is in the vertical direction;
the limiting structure comprises a third limiting part and a fourth limiting part, and the first limiting part is arranged on one side of the rear volute close to the rear side wall of the shell; the fourth limiting piece is arranged on one side, close to the rear volute, of the rear side wall of the shell;
when the air guide shell is controlled to rotate to a second preset position, the third limiting part is in contact fit with the fourth limiting part, and the air guide shell is limited to continue rotating.
The invention also provides an air conditioner which is provided with the air conditioner indoor unit.
The invention provides an indoor unit of an air conditioner, which comprises a shell, an air supply mechanism and a sealing mechanism, wherein the shell is provided with a sealing ring; the shell is provided with a first air outlet, and the air supply mechanism is arranged at the first air outlet; the air supply mechanism comprises a fan blade and an air guide shell, wherein the air guide shell comprises a front volute and a rear volute and is enclosed into a communicating air guide channel; when the air guide shell is controlled to rotate to different angles, the direction of the air flow sent out by the air guide channel is changed; the air deflector at the first air outlet of the bottom shell is removed, long-distance air supply is realized through large-angle rotation of the air deflector, the air flow path is optimized, the air outlet loss is reduced, and the problem that large vortexes generate noise at the air deflector is solved; the sealing mechanism comprises a first sealing mechanism and/or a second sealing mechanism, the first sealing mechanism comprises a first windproof cloth and a second windproof cloth, and the first windproof cloth and the second windproof cloth are respectively used for sealing a gap between the front volute and the front side wall of the shell and a gap between the rear volute and the rear side wall of the shell; the bottom shell and the air supply mechanism are effectively sealed, the problem that air output is reduced due to air leakage from gaps is solved, the air supply area is enlarged, and user experience is improved; the wind guide shell is provided with a plurality of preset positions, and the limiting structure is arranged between the wind guide shell and the shell, so that when the wind guide shell is controlled to rotate, the wind guide shell can rotate to the preset positions under the limiting effect of the limiting structure, a further sealing effect can be achieved, the wind guide shell can rotate within a reasonable range, and the problems of air output reduction and air outlet discontinuity caused by the overlarge rotating angle of the wind guide shell are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present invention when an air guiding casing rotates to a first predetermined position;
fig. 2 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present invention when the air guiding casing rotates to a second predetermined position;
in the figure:
1-a shell; 11-an air inlet; 12-a bottom shell; 121-front wall of bottom shell; 122 — the back wall of the bottom shell; 123-a first support; 124-a second bracket; 13-a first outlet;
21-fan blades; 22-a wind guide shell; 221-a wind guiding cavity; 222-a venting chamber; 23-a first air guiding part; 231-a first arc segment; 232-first exhaust section/first stop; 233-a first card slot; 24-a second wind-guiding portion; 241-a second arc segment; 242-a second exhaust section; 243-third limiting member; 244-a second card slot;
31-a first sealing mechanism; 311-a first elastic member; 312-a first wheel; 313-a first windbreak; 314-a first snap;
32-a second sealing mechanism; 321-a second elastic member; 322-a second wheel; 323-a second windbreak; 324-a second snap;
41-a filter screen; 42-heat exchanger.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
In the existing air conditioner, the air outlet quantity of the air conditioner is reduced in the swinging process of an air deflector of an air supply mechanism, so that the energy efficiency of the air conditioner is reduced, and meanwhile, the swinging angle range of the air deflector is smaller, so that the air supply area is small and the air supply distance is short; in addition, a sealing mechanism is arranged between the rotatable volute and the shell, the structure is complex, the sealing is not tight, and the air output is small. The invention creatively provides an air-conditioning indoor unit, which comprises a shell, an air supply mechanism and a sealing mechanism; the shell is provided with a first air outlet, and the air supply mechanism is arranged at the first air outlet; the air supply mechanism comprises fan blades and an air guide shell, and the air guide shell is enclosed into a communicating air guide channel; when the air guide shell is controlled to rotate to different angles, the direction of the air flow sent out by the air guide channel is changed; the air deflector is removed, long-distance air supply is realized through large-angle rotation of the air deflector shell, the flow path of air is optimized, the air output loss is reduced, and the problem that noise is generated by a large vortex at the air deflector is solved; the sealing mechanism comprises a first sealing mechanism and/or a second sealing mechanism, the first sealing mechanism comprises a first windproof cloth and a second windproof cloth, and the first windproof cloth and the second windproof cloth are respectively used for sealing a gap between the front volute and the front side wall of the shell and a gap between the rear volute and the rear side wall of the shell; make to form effective sealedly between drain pan and the air supply mechanism, avoid the air to leak the problem that leads to the air output to reduce by the clearance, enlarge the air supply region, promote user experience.
Example 1
As shown in fig. 1 and 2, the present embodiment provides an indoor unit of an air conditioner, including a casing 1, an air supply mechanism and a sealing mechanism; the shell 1 is provided with a shell front side wall and a shell rear side wall; the shell 1 is provided with an air inlet 11 and a first air outlet 13, and the air supply mechanism is arranged at the first air outlet 13; specifically, the bottom of case 1 is formed with a bottom case 12, bottom case 12 including a front wall 121 of the bottom case and a rear wall 122 of the bottom case;
the air supply mechanism comprises a fan blade 21 and an air guide shell 22 which can be rotatably arranged around the periphery of the fan blade 21, and specifically, the air guide shell 22 is driven by a driving motor to rotate relative to the shell 1; the air guide shell 22 is provided with an air suction opening and a second air outlet, the air suction opening is used for being communicated with the air inlet 11, and air flow entering the shell 1 from the air inlet 11 can enter the air suction opening; the air guide shell 22 comprises a front volute and a rear volute, the front volute and the rear volute enclose an air guide channel communicated with an air suction opening and a second air outlet, the air suction opening is positioned at the top of the air guide channel, and the second air outlet is positioned at the bottom of the air guide channel; when the air guide shell 22 is controlled to rotate to different angles, the positions of the air suction opening and the second air outlet are correspondingly changed, so that the direction of the air flow sent out by the air guide channel is changed; specifically, under the action of the fan blade 21, indoor airflow enters the shell 1 through the air inlet 11 and then enters the air guide channel through the air suction opening, and is discharged into the room again under the action of the air guide channel, and the airflow can be guided to different areas by controlling the rotation angle of the air guide shell;
the sealing mechanism comprises a first sealing mechanism 31 arranged between the front volute and the front side wall of the shell and/or a second sealing mechanism 32 arranged between the rear volute and the rear side wall of the shell;
the first sealing mechanism 31 includes a first windbreak 313 unwindably/rollably sealed between the front volute and the housing front side wall, and the second sealing mechanism 32 includes a second windbreak 323 unwindably/rollably sealed between the rear volute and the housing rear side wall; specifically, when the wind guiding shell 22 is controlled to rotate relative to the shell 1, at least one part of the first windproof cloth 313 can be unfolded and seal the gap between the front volute and the front side wall of the shell, or at least one part of the first windproof cloth 313 can be rolled on a rolling shaft; at least a portion of the second windbreak 323 can be unwound and seal the gap between the rear volute and the housing rear sidewall, or at least a portion of the second windbreak 323 can be rolled onto another spool.
In order to allow the first windguard 313 to be smoothly unwound and wound to effectively seal the gap between the front scroll and the housing front side wall, the first sealing mechanism 31 includes a first spool rotatably provided on one of the front scroll and the housing front side wall; one end of the first windbreak 313 is wound on a first winding shaft, and the other end of the first windbreak 313 is provided on the other of the front volute and the housing front side wall.
Preferably, the first reel is rotatably provided on the housing front side wall; the first sealing mechanism 31 further comprises a first coil spring, one end of the first coil spring is fixedly connected with the front side wall of the shell, and the other end of the first coil spring is fixedly connected with the first reel; specifically, a first bracket 123 is formed on the front side wall of the housing at a side close to the front volute, and one end of the first coil spring is fixedly connected with the front side wall of the housing through the first bracket 123;
the other end of the first windbreak 313 is provided on the front scroll through a first connection structure;
when the air guide shell 22 is controlled to rotate and the first connecting structure is far away from the first reel, the front volute pulls the other end of the first windproof cloth 313 to move through the first connecting structure, a part of the first windproof cloth 313 is unfolded from the first reel, the unfolded surface of the first windproof cloth 313 is gradually enlarged, a gap between the front volute and the front side wall of the shell is sealed, the first reel rotates, and the first coil spring stores energy;
when the wind guide shell 22 is controlled to rotate and the first connecting structure is close to the first reel, the first reel releases energy and drives the first reel to rotate, and then a part of the first windproof cloth 313 is wound on the first reel, and the unfolding surface of the first windproof cloth 313 is gradually reduced.
In other embodiments, the first coil spring may also be a first elastic member 311 and a first rotating wheel 312, the first rotating wheel 312 is rotatably disposed on the first bracket 123, one end of the first elastic member 311 is connected to the first bracket 123, and the other end of the first elastic member 311 is connected to the first rotating wheel 312; specifically, the axial direction of the first reel is along the length direction of the indoor unit of the air conditioner, two ends of the first reel are respectively connected with one first rotating wheel 312 in a driving manner, and the two first rotating wheels 312 are both rotatably arranged on the first bracket 123; the axial length of the first reel, the length of the first windbreak 313 and the length of the bottom shell 12 are matched;
when the air guiding shell 22 is controlled to rotate and the first connecting structure is far away from the first reel, the front volute pulls the other end of the first windproof cloth 313 to move through the first connecting structure, a part of the first windproof cloth 313 is unfolded from the first reel and seals a gap between the front volute and the front side wall of the shell, the first rotating wheel 312 rotates, and the first elastic piece 311 stores energy;
when the wind-guiding shell 22 is controlled to rotate and the first connecting structure approaches the first winding shaft, the first elastic member 311 releases energy and drives the first winding shaft to rotate, and a part of the first windbreak 313 is wound on the first winding shaft.
Further optionally, the first connecting structure includes a first clamping piece 314 and a first clamping groove 233, the first clamping piece 314 is connected with the other end of the first windproof cloth 313, and the first clamping groove 233 is disposed on the front volute;
the first clamping piece 314 is matched with the first clamping groove 233 to arrange the other end of the first windproof cloth 313 on the front volute; specifically, a part of the first engaging member 314 is engaged with the first engaging groove 233, or the first engaging member 314 is completely inserted into the first engaging groove 233.
In order to allow the second wind-proof cloth 323 to be smoothly unwound and wound, thereby effectively sealing the gap between the rear scroll and the rear side wall of the housing, the second sealing mechanism 32 includes a second spool rotatably provided on one of the rear scroll and the rear side wall of the housing; one end of the second wind-prevention cloth 323 is wound on the second winding shaft, and the other end of the second wind-prevention cloth 323 is provided on the other of the rear scroll and the housing rear side wall.
Preferably, the second reel is rotatably provided on the rear side wall of the housing; the second sealing mechanism 32 further comprises a second coil spring, one end of the second coil spring is fixedly connected with the rear side wall of the housing, and the other end of the second coil spring is fixedly connected with the second reel; specifically, a second bracket 124 is formed on the rear side wall of the housing at a side close to the rear volute, and one end of the second coil spring is fixedly connected with the rear side wall of the housing through the second bracket 124;
the other end of the second windproof cloth 323 is arranged on the front volute through a second connecting structure;
when the air guide shell 22 is controlled to rotate and the second connecting structure is far away from the second reel, the rear volute pulls the other end of the second windproof cloth 323 to move through the second connecting structure, a part of the second windproof cloth 323 is unfolded from the second reel, the unfolded surface of the second windproof cloth 323 is gradually increased and seals a gap between the rear volute and the rear side wall of the shell, the second reel rotates, and the second coil spring stores energy;
when the wind guide shell 22 is controlled to rotate and the second connecting structure is close to the second reel, the second coil spring releases energy and drives the second reel to rotate, and then a part of the second windproof cloth 323 is wound on the second reel, and the unwinding surface of the second windproof cloth 323 is gradually reduced.
In other embodiments, the second coil spring may also be a second elastic element 321 and a second roller 322, the second roller 322 is rotatably disposed on the second bracket 124, one end of the second elastic element 321 is connected to the second bracket 124, and the other end of the second elastic element 321 is connected to the second roller 322; when the air guide shell 22 is controlled to rotate and the second connecting structure is far away from the second reel, the rear volute pulls the other end of the second windproof cloth 323 to move through the second connecting structure, a part of the second windproof cloth 323 is unfolded from the second reel and seals a gap between the rear volute and the rear side wall of the shell, the second rotating wheel 322 rotates, and the second elastic piece 321 stores energy; specifically, the axial direction of the second reel is along the length direction of the air-conditioning indoor unit, two ends of the second reel are respectively connected with a second rotating wheel 322 in a driving manner, and the two second rotating wheels 322 are both rotatably arranged on the second bracket 124; the axial length of the second reel and the length of the second windproof cloth 323 are matched with the length of the bottom shell 12;
when the wind guide shell 22 is controlled to rotate and the second connecting structure is close to the second winding shaft, the second elastic member 321 releases energy and drives the second winding shaft to rotate, and a part of the second windproof cloth 323 is wound on the second winding shaft.
Further optionally, the second connecting structure includes a second clamping member 324 and a second clamping groove 244, the second clamping member 324 is connected with the other end of the second windproof cloth 323, and the second clamping groove 244 is disposed on the rear volute;
the second clamping piece 324 is matched with the second clamping groove 244 to arrange the other end of the second windproof cloth 323 on the rear volute; specifically, a part of the second clip 324 is clipped in the second clip groove 244, or the second clip 324 is completely embedded in the second clip groove 244.
In order to enable the air guiding shell 22 to be controlled to rotate to a specified position, the air guiding shell 22 has a plurality of preset positions in the rotating direction of the air guiding shell 22, and a limiting structure is arranged between the air guiding shell 22 and the shell 1, so that when the air guiding shell 22 is controlled to rotate, the air guiding shell 22 can rotate to the preset positions under the limiting effect of the limiting structure.
Further, the air guide shell 22 has a first preset position in the rotation direction of the air guide shell 22; when the air guide shell 22 is controlled to rotate to the first preset position, the airflow discharged through the second air outlet is in the horizontal direction;
the limiting structure comprises a first limiting member 232 and a second limiting member, wherein the first limiting member 232 is arranged on one side of the front volute close to the front side wall of the shell; the second limiting piece is formed on one side, close to the front volute, of the front side wall of the shell;
when the air guiding shell 22 is controlled to rotate to the first preset position, the first limiting member 232 is in contact with and matched with the second limiting member, so as to limit the air guiding shell 22 to continue rotating.
In addition, the air guide shell is provided with a second preset position in the rotating direction of the air guide shell; when the air guide shell 22 is controlled to rotate to the second preset position, the airflow discharged through the second air outlet is in the vertical direction;
the limiting structure comprises a third limiting member 243 and a fourth limiting member, the third limiting member 243 is arranged on one side of the rear volute close to the rear side wall of the casing; the fourth limiting piece is arranged on one side, close to the rear volute, of the rear side wall of the shell;
when the air guiding shell 22 is controlled to rotate to the second preset position, the third limiting member 243 contacts and cooperates with the fourth limiting member to limit the air guiding shell 22 to continue rotating.
It should be noted that the second limiting member is detachably connected to the front side wall of the housing or integrally formed with the front side wall of the housing; the fourth locating part is detachably connected to the rear side wall of the shell or integrally formed with the rear side wall of the shell. The limiting structure in the present application is not limited to the first limiting element 232 and the third limiting element 243, and may also be a limiting switch and a limiting sensor; when the air guide shell 22 rotates to a preset position, the limit switch and the limit sensor transmit signals to a main controller of the air conditioner, and then the main controller controls a driving motor of the air guide shell 22 to stop rotating or reversely rotate; the first bracket 123 and the second bracket 124 may be fixing posts;
example 2
As shown in fig. 1 and fig. 2, the present embodiment provides an indoor unit of an air conditioner, including a casing 1 and an air supply mechanism, wherein an air inlet 11 is formed at the top of the casing 1, a bottom casing 12 is formed at the bottom of the casing 1, and a first air outlet 13 is formed on the bottom casing 12; the air supply mechanism is arranged at the first air outlet 13 and comprises a fan blade 21 and an air guide shell 22 which is rotatably arranged on the bottom shell 12; the wind guide shell 22 is provided with a wind guide cavity 221 and a wind exhaust cavity 222 which is arranged at the bottom of the wind guide cavity 221 and communicated with the wind guide cavity 221, the wind guide cavity 221 surrounds the outer peripheral side of the fan blade 21 and is coaxially arranged with the fan blade 21, and the wind guide cavity 221 can guide wind exhausted by the fan blade 21 to the wind exhaust cavity 222; specifically, an air suction opening facing the air inlet 11 is formed at the top of the air guiding cavity 221, and a second air outlet is formed at the bottom of the air exhausting cavity 222;
when the wind guiding shell 22 is controlled to rotate to different angles, air entering the shell 1 enters the wind guiding shell 22 through the wind suction opening under the action of the fan blade 21, and then the air exhausted by the fan blade 21 is guided to the exhaust cavity 222 through the wind guiding cavity 221 and then exhausted to different indoor areas through the second wind outlet; the air guide shell 22 can be controlled to rotate to a certain angle according to actual needs, so that the air guide shell 22 exhausts air to a specified area according to a specified direction; the wind guide shell 22 can also be controlled to rotate in a reciprocating manner within a certain angle range according to actual needs, so that the wind guide shell 22 can exhaust air indoors within a large angle and a large range;
the air guide plates are not arranged at the first air outlet 13 and the second air outlet, so that the structure of an air supply mechanism is simplified, the air guide shell 22 is controlled to rotate at a large angle to realize remote air supply, the flow path of air is shortened and optimized, the air supply resistance is reduced, the air can be smoothly discharged, the air output loss is reduced, the air outlet speed is improved, the vortex of the supplied air is reduced, the problem that the noise is generated by a large vortex at the air guide plates is solved, the air sweeping angle is increased, the air supply area of the air conditioner is enlarged, and the user experience is improved; the directional fixed-area air supply can be realized, the individual requirements of users are met, large-range and large-angle air supply can also be realized, the comfort required by the users can be achieved indoors quickly, the energy efficiency of the air conditioner is improved, and the user experience is improved.
In order to guide the wind exhausted by the fan blade 21 to the exhaust cavity 222 sufficiently, ensure the wind output and reduce the exhaust resistance, a first wind guiding part 23 and a second wind guiding part 24 are respectively formed on two sides of the wind guiding shell 22; the first air guiding part 23 is provided with a first arc-shaped section 231 concentric with the fan blade, and the second air guiding part 24 is provided with a second arc-shaped section 241 concentric with the fan blade; the first arc-shaped section 231 and the second arc-shaped section 241 enclose a wind guiding cavity 221; specifically, the first arc-shaped section 231 and the second arc-shaped section 241 are concentric but have the same radius, and the top of the first arc-shaped section 231 and the top of the second arc-shaped section 241 form an air suction opening through which air entering the casing 1 can smoothly enter the air guide cavity 221.
In order to smoothly discharge the air entering the exhaust cavity 222 to the indoor, the first air guiding part 23 is further formed with a first exhaust section 232 connected with the first arc-shaped section 231; the second air guiding part 24 is also provided with a second air exhaust section 242 connected with the second arc-shaped section 241; the first exhaust section 232 and the second exhaust section 242 enclose an exhaust duct, and the flow area of the exhaust cavity 222 is gradually increased along the exhaust direction; specifically, the first exhaust section 232 and the first arc-shaped section 231 form a certain angle, the second exhaust section 242 and the second arc-shaped section 241 are tangent, a part of the wind exhausted by the fan blade 21 is exhausted to the exhaust cavity 222 through the wind guide cavity 221, a part of the wind is directly exhausted to the exhaust cavity 222, the inner walls of the wind guide cavity 221 and the exhaust cavity 222 are smooth, the exhaust resistance is small, and the exhaust is smooth.
In order to rotate the air guide shell 22 in a reasonable angle, the air guide shell 22 has a first preset position and a second preset position in the rotation direction of the air guide shell 22; when the air guide shell 22 is controlled to rotate to the first preset position, the air exhaust cavity 222 extends along the horizontal direction, and the first air exhaust section 232 is in contact with the bottom of the front wall 121 of the bottom shell, so that horizontal air supply can be realized; when the air guiding shell 22 is controlled to rotate to the second preset position, the air exhausting cavity 222 extends along the vertical direction, and the second air exhausting section 242 is parallel to the rear wall 122 of the bottom shell, so that vertical air supply can be realized.
The present embodiment employs the sealing mechanism of embodiment 1;
preferably, a first clamping groove 233 is formed near the top of the first arc-shaped section 231, when the wind guide shell 22 is at a first preset position, a first angle line is formed between the center of the wind passing blade 21 and the first clamping groove 233, when the wind guide shell 22 is at a second preset position, a second angle line is formed between the center of the wind passing blade 21 and the first clamping groove 233, an included angle between the first angle line and the second angle line is α, and α is greater than or equal to 90 ° and less than or equal to 180 °; the first bracket 123 is disposed on an angle bisector of the two angle lines, where a width of the first wind-proof cloth 313 is the smallest, assuming that an outer diameter of the air-guiding shell 22 is R, when an extension line of the first wind-proof cloth 313 passes through a center of the air-guiding shell 22, a stretched length of the first wind-proof cloth 313 is L1, L1 ═ R/sn (α/2) -R, and when the air-guiding shell 22 is at the first preset position or the second preset position, the stretched length of the first wind-proof cloth 313 is L2 ═ L2 ═ R/tan (α/2), so that when the air-guiding shell 22 moves between the first preset position and the second preset position, the first wind-proof cloth 313 can seal a gap between the first air-guiding portion 23 and the front wall 121 of the bottom shell;
under the action of the first elastic element 311 and the first air guiding part 23, the first windproof cloth 313 is always in a tightened state, so that a gap between the first air guiding part 23 and the front wall 121 of the bottom case is effectively sealed, the air exhausted by the fan blade 21 is prevented from leaking through the gap, and the air output loss of the air guiding case 22 is reduced.
Preferably, a second clamping groove 244 is formed at the top close to the second arc-shaped section 241, when the wind guide shell 22 is at the second preset position, a third angle line is formed between the center of the wind passing blade 21 and the second clamping groove 244, when the wind guide shell 22 is at the second preset position, a fourth angle line is formed between the center of the wind passing blade 21 and the second clamping groove 244, an included angle between the third angle line and the fourth angle line is α, and α is greater than or equal to 90 ° and less than or equal to 180 °; the second bracket 124 is arranged on the angular bisector of the two angular lines, and the width of the second windproof cloth 323 required at this time is the minimum, so that when the air guide shell 22 moves between the first preset position and the second preset position, the second windproof cloth 323 can seal the gap between the second air guide part 24 and the front wall 121 of the bottom shell; the stretched length of the second windproof cloth 323 corresponds to the method of calculating the stretched length of the first windproof cloth 313.
Under the action of the second elastic element 321 and the second air guiding part 24, the second wind-proof cloth 323 is always in a tightened state, so that a gap between the second air guiding part 24 and the rear wall 122 of the bottom case is effectively sealed, the air discharged by the fan blade 21 is prevented from leaking through the gap, and the air output loss of the air guiding case 22 is reduced.
Further, when the wind guide shell 22 is controlled to rotate, the first wind-prevention cloth 313 is unfolded and seals the gap between the first wind guide part 23 and the front wall 121 of the bottom shell, and the second wind-prevention cloth 323 is unfolded and seals the gap between the second wind guide part 24 and the rear wall 122 of the bottom shell; thus, an air duct is formed between the front wall 121 of the bottom shell, the first air guiding part 23, the first sealing mechanism 31, the rear wall 122 of the bottom shell, the second air guiding part 24 and the second sealing mechanism 32, and the air duct is provided with an air duct inlet facing the air inlet and an air duct outlet facing the indoor; the eddy and the aerodynamic noise of the air are reduced, the requirements of different users can be met, and the comfort of the users is improved.
The fan blade 21 in the present application is not limited, and may be a cross-flow fan blade or a centrifugal fan blade.
The embodiment also provides an air conditioner, which comprises any one of the air conditioner indoor units, wherein the air conditioner indoor unit comprises a shell 1 and an air supply mechanism, an air inlet 11 is formed at the top of the shell 1, a bottom shell 12 is formed at the bottom of the shell 1, and a first air outlet 13 is formed on the bottom shell 12; the air supply mechanism is arranged at the first air outlet 13 and comprises a fan blade 21 and an air guide shell 22 which is rotatably arranged on the bottom shell 12; the fan blade 21 is connected with a first driving motor in a driving way, and the air guide shell 22 is connected with a second driving motor in a driving way; a filter screen 41 is arranged at the air inlet 11 and can filter air entering the shell 1; a heat exchanger 42 is arranged between the filter screen 41 and the fan blade 21, under the action of a first driving motor, indoor air enters the shell 1 through the air inlet 11 and the filter screen 41, and completes heat exchange with the heat exchanger 42, and then enters the air guide shell 22, under the action of a second driving motor, the air guide shell 22 rotates to realize up-and-down air supply or left-and-right air supply of the indoor unit, and then air exhausted by the fan blade 21 is exhausted into the room.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (11)

1. An air-conditioning indoor unit is characterized by comprising a shell, an air supply mechanism and a sealing mechanism; the shell is provided with a shell front side wall and a shell rear side wall;
the shell is provided with an air inlet and a first air outlet, and the air supply mechanism is arranged at the first air outlet;
the air supply mechanism comprises a fan blade and an air guide shell which can be rotationally arranged around the periphery of the fan blade, the air guide shell is provided with an air suction opening and a second air outlet, and the air suction opening is used for being communicated with the air inlet; the air guide shell comprises a front volute and a rear volute, and the front volute and the rear volute enclose an air guide channel communicated with the air suction opening and the second air outlet; when the air guide shell is controlled to rotate to different angles, the positions of the air suction opening and the second air outlet are correspondingly changed, so that the direction of air flow sent out by the air guide channel is changed;
the sealing mechanism comprises a first sealing mechanism arranged between the front volute and the front side wall of the shell and/or a second sealing mechanism arranged between the rear volute and the rear side wall of the shell;
the first sealing mechanism includes a first windbreak cloth deployable/windable sealed between the forward volute and the housing forward sidewall, and the second sealing mechanism includes a second windbreak cloth deployable/windable sealed between the aft volute and the housing aft sidewall.
2. An indoor unit of an air conditioner according to claim 1, wherein the first sealing mechanism includes a first spool rotatably provided on one of the front scroll and the front side wall of the casing; one end of the first windproof cloth is wound on the first winding shaft, and the other end of the first windproof cloth is arranged on the other of the front volute and the front side wall of the shell.
3. An indoor unit of an air conditioner according to claim 2, wherein the first reel is rotatably provided on the casing front side wall; the first sealing mechanism further comprises a first coil spring, one end of the first coil spring is fixedly connected with the front side wall of the shell, and the other end of the first coil spring is fixedly connected with the first reel;
the other end of the first windproof cloth is arranged on the front volute through a first connecting structure;
when the wind guide shell is controlled to rotate and the first connecting structure is far away from the first reel, the front volute pulls the other end of the first windproof cloth to move through the first connecting structure, one part of the first windproof cloth is unfolded from the first reel and seals a gap between the front volute and the front side wall of the shell, the first reel rotates, and the first coil spring stores energy;
when the wind guide shell is controlled to rotate and the first connecting structure is close to the first reel, the first reel is driven to rotate by the first spring, and then a part of the first windproof cloth is wound on the first reel.
4. An indoor unit of an air conditioner according to claim 3, wherein the first connecting structure includes a first catching member connected to the other end of the first windbreak cloth and a first catching groove provided on the front scroll casing;
the first clamping piece is matched with the first clamping groove to enable the other end of the first windproof cloth to be arranged on the front volute.
5. An indoor unit of an air conditioner according to claim 1, wherein the second sealing mechanism includes a second spool rotatably provided on one of the rear scroll and the rear side wall of the casing; one end of the second windproof cloth is wound on the second winding shaft, and the other end of the second windproof cloth is arranged on the other of the rear volute and the rear side wall of the shell.
6. An indoor unit of an air conditioner according to claim 5, wherein the second winding shaft is rotatably provided on the casing rear side wall; the second sealing mechanism further comprises a second coil spring, one end of the second coil spring is fixedly connected with the rear side wall of the shell, and the other end of the second coil spring is fixedly connected with the second reel;
the other end of the second windproof cloth is arranged on the rear volute through a second connecting structure;
when the air guide shell is controlled to rotate and the second connecting structure is far away from the second reel, the rear volute pulls the other end of the second windproof cloth to move through the second connecting structure, one part of the second windproof cloth is unfolded from the second reel and seals a gap between the rear volute and the rear side wall of the shell, the second reel rotates, and the second coil spring stores energy;
when the wind guide shell is controlled to rotate and the second connecting structure is close to the second reel, the second coil spring releases energy and drives the second reel to rotate, and then a part of the second windproof cloth is wound on the second reel.
7. The indoor unit of claim 6, wherein the second connecting structure comprises a second clamping member and a second clamping groove, the second clamping member is connected with the other end of the second windproof cloth, and the second clamping groove is formed in the rear volute;
the second clamping piece is matched with the second clamping groove to enable the other end of the second windproof cloth to be arranged on the rear volute.
8. The indoor unit of claim 1, wherein the air guide casing has a plurality of preset positions in a rotation direction of the air guide casing, and a limiting structure is disposed between the air guide casing and the casing, so that when the air guide casing is controlled to rotate, the air guide casing can rotate to the preset positions under the limiting action of the limiting structure.
9. The indoor unit of claim 8, wherein the air guide casing has a first preset position in a rotation direction of the air guide casing; when the air guide shell is controlled to rotate to a first preset position, the airflow direction exhausted through the second air outlet is along the horizontal direction;
the limiting structure comprises a first limiting piece and a second limiting piece, and the first limiting piece is arranged on one side, close to the front side wall of the shell, of the front volute; the second limiting piece is formed on one side, close to the front volute, of the front side wall of the shell;
when the air guide shell is controlled to rotate to a first preset position, the first limiting piece is in contact fit with the second limiting piece, and the air guide shell is limited to continue rotating.
10. The indoor unit of claim 8, wherein the air guide casing has a second preset position in a rotation direction of the air guide casing; when the air guide shell is controlled to rotate to a second preset position, the airflow discharged through the second air outlet is in the vertical direction;
the limiting structure comprises a third limiting part and a fourth limiting part, and the first limiting part is arranged on one side of the rear volute close to the rear side wall of the shell; the fourth limiting piece is arranged on one side, close to the rear volute, of the rear side wall of the shell;
when the air guide shell is controlled to rotate to a second preset position, the third limiting part is in contact fit with the fourth limiting part, and the air guide shell is limited to continue rotating.
11. An air conditioner characterized by having an indoor unit of the air conditioner as set forth in any one of claims 1 to 10.
CN202111448039.6A 2021-11-29 2021-11-29 Air conditioner indoor unit and air conditioner with same Active CN114110777B (en)

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