CN220981545U - External air guide door assembly and wall-mounted air conditioner indoor unit - Google Patents

Abstract

The utility model provides an external air guide door assembly and a wall-mounted air conditioner indoor unit, wherein the external air guide door assembly comprises: the first external air guide plate is provided with a strip-shaped first air guide plate body, and limiting rails are arranged on first end plates at two ends of the first air guide plate body; the second external air deflector can extend or retract relative to the width direction of the first air deflector body under the action of the second driving device; the connecting arm is connected with the wall-mounted air conditioner indoor unit through a first driving device and can be driven to rotate by the first driving device; and the sliding arm is connected with the first external air deflector into a whole and can slide relative to the connecting arm. The external air guide door assembly can provide more air outlet control options, and adjust the air outlet shape and direction according to the needs so as to meet different requirements of users on indoor air flow, and has a compact structure, and the air supply of the air conditioner is accurately and flexibly controlled.

Description

External air guide door assembly and wall-mounted air conditioner indoor unit

Technical Field

The utility model relates to the technical field of air conditioning equipment, in particular to an external air guide door assembly and a wall-mounted air conditioner indoor unit.

Background

At present, with the improvement of life quality of people, the utilization rate of an air conditioner is gradually improved, and the air conditioner is equipment capable of adjusting indoor environment temperature.

The air is cooled or heated in the air conditioner by passing over a heat exchanger disposed in the air conditioner. The cooled or heated air is then sent to the room through the air outlet. Thus, the air intake is typically disposed at the top of the air conditioning case, while the air outlet is typically disposed at the lower portion of the front side of the air conditioning case (which may be referred to as a "front panel"). When the air conditioner operates in the cooling mode, if a person is relatively close to the air conditioner, cold air blown out from the air conditioner can be directly blown onto the person, and discomfort of the person is easily caused.

However, the traditional wall-mounted air conditioner indoor unit is generally provided with a single air deflector assembly, the effect of adjusting the air outlet direction of the air deflector assembly is poor, and all the air outlet air flows can be adjusted to one direction, so that the comfort level of a user is seriously affected.

Disclosure of utility model

In view of the above, the present utility model is directed to an external air guide door assembly and an indoor unit of a wall-mounted air conditioner, so as to solve at least one of the above-mentioned problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

an external damper assembly, comprising:

the first external air guide plate is provided with a strip-shaped first air guide plate body, and limiting rails are arranged on first end plates at two ends of the first air guide plate body;

The second external air deflector can extend or retract relative to the width direction of the first air deflector body under the action of the second driving device;

the connecting arm is connected with the wall-mounted air conditioner indoor unit through a first driving device and can be driven to rotate by the first driving device;

And the sliding arm is connected with the first external air deflector into a whole and can slide relative to the connecting arm.

Further, the second external air guide plate comprises a second air guide plate body, a plurality of air outlet holes are formed in the second air guide plate body, at least one first connecting shaft is arranged at two opposite ends of the second air guide plate body in the length direction, and the first connecting shaft can be driven by the second driving device to slide in the limiting track.

Further, the cross section of the first external air guide plate in the width direction is in an arc shape, the limiting track is in an arc shape on the first end plate of the first air guide plate body, and the projection of the second external air guide plate on the first external air guide plate is smaller than the external contour of the first external air guide plate.

Further, the limiting rail comprises a rail limiting rib plate, a first sliding limiting groove is formed in the rail limiting rib plate, and a first connecting shaft of the second external air deflector penetrates through the first sliding limiting groove to be connected with the second driving device and driven by the first connecting shaft to slide along the first sliding limiting groove.

Further, the second driving device comprises a driving belt and a second driving motor, the driving belt is in a closed shape, a first rotating wheel and a second rotating wheel are respectively arranged on two opposite sides of the driving belt, the driving belt can rotate along the first rotating wheel and the second rotating wheel, the first rotating wheel and the second rotating wheel are respectively connected with a first connecting hole and a second connecting hole on the first end plate in a rotating mode through a first rotating shaft and a second rotating shaft, and the first connecting hole and the second connecting hole are arranged on two opposite sides of the first sliding limiting groove.

Further, the second driving motor is arranged between the first rotating wheel and the second rotating wheel, the transmission belt comprises an upper layer belt and a lower layer belt, the upper layer belt and the lower layer belt are respectively positioned on two opposite sides of the length direction of the first sliding limiting groove and rotate along the trend of the length direction of the first sliding limiting groove, the second driving motor is positioned on one side, away from the lower layer belt, of the upper layer belt, and a connecting piece is arranged on the lower layer belt and connected with the first connecting shaft.

Further, the connecting piece includes first adapter sleeve the relative both sides of first adapter sleeve set up spacing muscle, spacing muscle pass through the connecting rib with drive belt's lower floor belt is connected, just spacing muscle motion to first slip limiting groove's relative both ends time can by first pivot, second pivot are spacing.

Further, the connecting arm comprises a first connecting plate body, a second connecting sleeve is arranged at one end of the first connecting plate body, and the second connecting sleeve can be driven by the first driving device.

Further, a guide rail is arranged on the first connecting plate body, the sliding arm comprises a sliding part and an air deflector connecting part, the sliding part comprises a sliding guide groove, and the sliding guide groove can move along the guide rail in a sliding manner under the action of a transmission screw and an adjusting nut.

Compared with the prior art, the external air guide door assembly has the following advantages:

(1) According to the external air guide door assembly disclosed by the application, through the structure of the first external air guide plate and the second external air guide plate which are double-layered, the air outlet adjusting profile of the external air guide door assembly is changed, so that a user can adjust the shape and direction of air outlet according to the needs, the indoor temperature and air circulation requirements are better met, more user-defined options are provided, and the user can adjust the air outlet mode and direction according to specific needs and favorites, so that the satisfaction of the user is improved, the universality is higher, and the external air guide door assembly can be widely applied to wall-mounted air conditioner indoor units of various types of air conditioners.

(2) The external air guide door assembly can provide more air outlet control options, and adjust the air outlet shape and direction according to the needs so as to meet different requirements of users on indoor air flow, and has a compact structure, and the air supply of the air conditioner is accurately and flexibly controlled.

The utility model further provides a wall-mounted air conditioner indoor unit, wherein an air outlet is formed in the wall-mounted air conditioner indoor unit, a small air guide plate for adjusting the air guiding direction of the air outlet or closing the air outlet is arranged at the air outlet position, the external air guide door assembly is further arranged on the wall-mounted air conditioner indoor unit, the external air guide door assembly comprises two connecting arms, namely a first connecting arm and a second connecting arm, corresponding to the first connecting arm and the second connecting arm, the sliding arms are respectively a first sliding arm and a second sliding arm, the first sliding arm can slide on the first connecting arm, the second sliding arm can slide on the second connecting arm, and the first sliding arm and the second sliding arm are respectively positioned at two ends of the first external air guide plate in the length direction.

The advantages of the wall-mounted air conditioner indoor unit and the external air guide door assembly are the same as those of the wall-mounted air conditioner indoor unit and the external air guide door assembly in the prior art, and the description is omitted here.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

Fig. 1 is a schematic front view of an external air guide door assembly of an indoor unit of a wall-mounted air conditioner in a position of an air inlet grille according to an embodiment of the present utility model;

Fig. 2 is a schematic side view of an external air guide door assembly of an indoor unit of a wall-mounted air conditioner in an open state at an air inlet grille according to an embodiment of the present utility model;

Fig. 3 is a schematic side view of an external air guide door assembly of an indoor unit of a wall-mounted air conditioner in a side view at an air outlet position according to an embodiment of the present utility model;

Fig. 4 is a schematic front view of an external air guide door assembly of an indoor unit of a wall-mounted air conditioner in an air outlet position and a small air guide door in a closed state according to an embodiment of the present utility model;

fig. 5 is a schematic front view of an external air guide door assembly of an indoor unit of a wall-mounted air conditioner in an air outlet position and a small air guide door in an open state according to an embodiment of the present utility model;

FIG. 6 is a schematic side view of an external air guide door assembly according to an embodiment of the present utility model;

FIG. 7 is a schematic side view of a second external damper in an open configuration of an external damper assembly according to an embodiment of the present utility model;

FIG. 8 is a schematic side view of a first external air deflector according to an embodiment of the present utility model;

FIG. 9 is a schematic view of the enlarged partial structure of the portion A in FIG. 8;

FIG. 10 is a schematic view illustrating a structure of an inner side of an upper limit rail of a first external air deflector according to an embodiment of the present utility model;

FIG. 11 is a schematic structural view of a second driving device disposed on a first external air deflector according to an embodiment of the present utility model;

Fig. 12 is a schematic structural diagram of a second driving device according to an embodiment of the present utility model;

FIG. 13 is a schematic view of a second external air guide door according to an embodiment of the present utility model;

FIG. 14 is a schematic view of a partial explosion structure of a connection assembly of a second external air guide door and a connecting piece of a second driving device according to an embodiment of the present utility model;

FIG. 15 is a schematic side view of a connecting arm according to an embodiment of the present utility model;

FIG. 16 is a schematic side view of a second view of a connecting arm according to an embodiment of the present utility model;

FIG. 17 is a schematic side view of a sliding arm according to an embodiment of the present utility model;

FIG. 18 is a schematic side view of a second view of a sliding arm according to an embodiment of the present utility model;

Reference numerals illustrate:

100-a wall-mounted air conditioner indoor unit; 200-an external air guide door assembly; 1-an air outlet; 2-small air deflectors; 3-connecting arms; 301-a first connection plate body; 302-a second connecting sleeve; 303-guiding tracks; 304-a first receiving groove; 305-adjusting the nut; 31-a first connecting arm; 32-a second connecting arm; 4-a first drive; 5-a glide arm; 51-a first glide arm; 52-a second glide arm; 501-a slip part; 5011-a sliding guide groove; 5012-a third driving motor; 5013-driving screw rod; 502-an air deflector connection part; 5021-a second connecting plate body; 5022-third connecting holes; 6-a first external air deflector; 601-a first air deflector body; 602-a first end plate; 603-limiting rails; 6031-track limiting rib plates; 6032-first sliding limit groove; 6033-first connecting holes; 6034-second connecting hole; 6035-capping cover; 6036-first avoidance groove; 6037-installing a sinking platform; 604-a second connecting shaft; 7-a second external air deflector; 701-a second air deflector body; 702-an air outlet hole; 703-a first connecting shaft; 8-a second drive means; 801-a drive belt; 8011-upper belt; 8012-lower belt; 802-a first rotating wheel; 8021-a first spindle; 803-a second rotating wheel; 8031-a second spindle; 804-a second drive motor; 805-a connector; 8051-first connection sleeve; 8052-limit ribs; 8053-connecting bars.

Detailed Description

In order to facilitate understanding of the technical means, objects and effects of the present utility model, embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

It is to be noted that all terms used for directional and positional indication in the present utility model, such as: "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "low", "lateral", "longitudinal", "center", etc. are merely used to explain the relative positional relationship, connection, etc. between the components in a particular state (as shown in the drawings), and are merely for convenience of description of the present utility model, and do not require that the present utility model must be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model. Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

As shown in fig. 1 to 18, the present application discloses an external air guide door assembly, comprising:

The first external air deflector 6 is provided with a first air deflector body 601 which is in a long strip shape, and a limit track 603 is arranged on a first end plate 602 at two ends of the first air deflector body 601;

The second external air deflector 7 can extend or retract relative to the width direction of the first air deflector body 601 under the action of the second driving device 8;

A connecting arm 3 connected to the wall-mounted air conditioner indoor unit 100 through a first driving device 4 and capable of being driven to rotate by the first driving device 4;

The sliding arm 5 is connected with the first external air deflector 6 into a whole and can slide relative to the connecting arm 3.

The application discloses an external air guide door assembly, which is characterized in that a double-layer first external air guide plate 6 and a double-layer second external air guide plate 7 are arranged, the second external air guide plate 7 can extend or retract relative to the first external air guide plate 6 under the action of a second driving device 8 so as to change the air outlet adjusting outline and adjusting mode of the external air guide door assembly, in addition, the second external air guide plate 7 and the first external air guide plate 6 are connected to a sliding arm 5 and can slide relative to a connecting arm 3, so that the positions of the first external air guide plate 6 and the second external air guide plate 7 relative to the air outlet of a wall-mounted air conditioner indoor unit 100 are changed, the air outlet adjusting mode is improved, the second external air guide plate 7 and the first external air guide plate 6 can integrally rotate along with the connecting arm 3 and the sliding arm 5 under the action of the first driving device 4, the positions of an air inlet grille of the wall-mounted air conditioner indoor unit are changed, the positions of the second external air guide plate 7 relative to the first external air guide plate 6 are adjusted so that the positions of the second external air guide plate 7 relative to the first external air guide plate 6 can be covered by the positions of the first external air guide plate 6, and the positions of the second external air guide plate 6 relative to the wall-mounted air guide plate 6 can be changed relative to the air guide plate 6, and the positions of the wall-mounted air guide plate 6 can be correspondingly connected to the air conditioner indoor unit through the corresponding to the air guide plate 5, and the air conditioner indoor unit can meet different requirements.

According to the external air guide door assembly disclosed by the application, through the structure of the first external air guide plate and the second external air guide plate which are double-layered, the air outlet adjusting profile of the external air guide door assembly is changed, so that a user can adjust the shape and direction of air outlet according to the needs, the indoor temperature and air circulation requirements are better met, more user-defined options are provided, and the user can adjust the air outlet mode and direction according to specific needs and favorites, so that the satisfaction of the user is improved, the universality is higher, and the external air guide door assembly can be widely applied to wall-mounted air conditioner indoor units of various types of air conditioners.

As a preferred example of the present application, the second external air guiding plate 7 includes a second air guiding plate body 701, a plurality of air outlet holes 702 are formed in the second air guiding plate body 701, at least one first connecting shaft 703 is disposed at two opposite ends of the second air guiding plate body 701 in the length direction, and the first connecting shaft 703 can be driven by the second driving device 8 to slide in the limiting track 603. The design ensures that the air guide door assembly provides more air outlet control options, and adjusts the air outlet shape and direction according to the needs so as to meet different requirements of users on indoor air flow, and has a compact structure, thereby realizing accurate and flexible control of air supply of the air conditioner.

As a preferred example of the present application, the cross section of the first external air deflector 6 in the width direction is arranged in an arc shape, the limiting track 603 is arranged in an arc shape on the first end plate 602 of the first air deflector body 601, and the projection of the second external air deflector 7 on the first external air deflector 6 is smaller than the external contour of the first external air deflector 6. This setting helps realizing more evenly distributing the air-out on the one hand, has reduced the inhomogeneous condition of blowing directly of possible air current, is convenient for also simultaneously form curved spacing track 603 at the tip of first aviation baffle body 601, ensures second external aviation baffle 7 in spacing track 603 relative first external aviation baffle 6 stretches out or the smoothness and the stability of withdrawal motion, simultaneously, second external aviation baffle 7 can retract inside first external aviation baffle 6 completely to make first external aviation baffle 6 can be solitary carry out the air-out regulation, reduced inhomogeneous air current and the interference that probably appears, thereby improved indoor air circulation's quality and comfort level.

As a preferred example of the present application, the limiting rail 603 includes a rail limiting rib 6031, a first sliding limiting groove 6032 is disposed in the rail limiting rib 6031, and the first connecting shaft 703 of the second external air deflector 7 passes through the first sliding limiting groove 6032, is connected to the second driving device 8, and is driven by the first sliding limiting groove 6032 to slide along the first sliding limiting groove 6032. As an example of the present application, a detachable end cover 6035 is installed on one side of the track limiting rib plate 6031, the end cover 6035 is used for limiting the travel of the first sliding limiting groove 6032, a first avoiding groove 6036 is provided on the end cover 6035, and the first avoiding groove 6036 is used for avoiding the telescopic movement of the second external air deflector 7.

The setting discloses a spacing track 603 structure to make second external aviation baffle 7 can follow predetermined route motion when removing, ensure that second external aviation baffle 7 can accurately adjust air-out position and direction when the operation, improved air conditioning system's efficiency and user experience.

As a preferred example of the present application, the second driving device 8 includes a driving belt 801 and a second driving motor 804, the driving belt 801 is disposed in a closed manner, a first rotating wheel 802 and a second rotating wheel 803 are disposed on opposite sides of the driving belt 801, the driving belt 801 can rotate along the first rotating wheel 802 and the second rotating wheel 803, the first rotating wheel 802 and the second rotating wheel 803 are respectively connected with a first connecting hole 6033 and a second connecting hole 6034 on the first end plate 602 in a rotating manner through a first rotating shaft 8021 and a second rotating shaft 8031, and the first connecting hole 6033 and the second connecting hole 6034 are disposed on opposite sides of the first sliding limiting groove 6032. The arrangement discloses a mode that a transmission belt drives a second external air deflector 7 to extend or retract relative to a first external air deflector 6, and the device has compact structure and stable transmission, and ensures that the system operates in a safe range.

As a specific example of the present application, the second driving motor 804 is disposed between the first rotating wheel 802 and the second rotating wheel 803, the driving belt 801 includes an upper belt 8011 and a lower belt 8012, the upper belt 8011 and the lower belt 8012 are respectively disposed at opposite sides of the first sliding limit groove 6032 in the length direction and rotate along the trend of the length direction, the second driving motor 804 is disposed at a side of the upper belt 8011 away from the lower belt 8012, a connecting member 805 is disposed on the lower belt 8012, and the connecting member 805 is connected to the first connecting shaft 703. The arrangement further improves the reliability of the second driving device 8 for driving the second external air deflector 7 to move, and realizes the accurate control of the movement position of the second external air deflector 7 relative to the first external air deflector 6.

As a preferred example of the present application, the connector 805 includes a first connecting sleeve 8051, and limiting ribs 8052 are disposed on two opposite sides of the first connecting sleeve 8051, the limiting ribs 8052 are connected with a lower belt of the driving belt 801 through the connecting ribs 8053, and the limiting ribs 8052 can be limited by the first rotating shaft 8021 and the second rotating shaft 8031 when moving to two opposite ends of the first sliding limiting groove 6032.

The setting discloses a concrete structure of connecting piece 805 for through set up spacing muscle 8052 on connecting piece 805 for the motion that first adapter sleeve 8051 drove second external aviation baffle 7 can only be gone on between first pivot 8021 and second pivot 8031, ensures that the aviation baffle can reach the specific position when needs, in order to satisfy the requirement of system, and reduce the interference, strengthened the security and the controllability of system.

As a preferred example of the present application, the connecting arm 3 includes a first connecting plate 301, and a second connecting sleeve 302 is disposed at one end of the first connecting plate 301, and the second connecting sleeve 302 can be driven by the first driving device 4. Preferably, the first driving device 4 is fixed to an end cover of the wall-mounted air conditioner indoor unit 100 by a connection screw, and the connection arm 3 is disposed outside the end cover of the wall-mounted air conditioner indoor unit 100.

The arrangement discloses a structure of a connecting arm 3, which enables the connecting arm to rotate relative to the wall-mounted air conditioner indoor unit 100, reduces improvement of the existing wall-mounted air conditioner indoor unit, reduces mold opening cost, and improves general matching applicability of the external air guide door assembly 200.

As a preferred example of the present application, a guide rail 303 is provided on the first connecting plate 301, the sliding arm 5 includes a sliding portion 501 and an air deflector connecting portion 502, the sliding portion 501 includes a sliding guide groove 5011, and the sliding guide groove 5011 can slide along the guide rail 303 under the action of a driving screw 5013 and an adjusting nut 305.

The setting discloses that linking arm 3 can support or guide the mode of sliding motion of arm 5 to change the position of first external aviation baffle 6, the relative air outlet of second external aviation baffle 7, abundant air outlet's regulation mode and operating condition improve the air-out performance and adjust, and avoid external air guide door subassembly 200 to appear interfering when rotating under first drive arrangement 4 effect, further promote the wild-type nature of air guide door subassembly 200.

As a preferred example of the present application, a third driving motor 5012 is disposed at an end of the sliding guide groove 5011 away from the first driving device 4, the third driving motor 5012 can drive the driving screw 5013 to rotate, an end of the sliding guide groove 5011 near the first driving device 4 is disposed in an opening shape, an opening end of the sliding guide groove 5011 is sleeved outside the guide rail 303, a first accommodating groove 304 is disposed on the guide rail 303 near a center, and the adjusting nut 305 is disposed in the first accommodating groove 304 at a side far from the first driving device 4 through a rotating bearing.

The setting discloses a drive lead screw 5013, adjusting nut 305 realize the specific form that the relative linking arm 3 of arm 5 removed that slides, ensures that the portion of sliding 501 is steady, reliable slip on guide rail 303 with more accurate mode, and the simple operation, the transmission is steady, satisfies user's air-out direction demand better, has improved air conditioning system's performance and user's comfort level.

As an example of the present application, the air guide plate connecting portion 502 is disposed on a side of the sliding portion 501 away from the first driving device 4, the air guide plate connecting portion 502 includes a second connecting plate body 5021, a third connecting hole 5022 is disposed on the second connecting plate body 5021, and the third connecting hole 5022 is in interference fit with the second connecting shaft 604 on the first external air guide plate 6.

The arrangement further improves the connection stability of the first external air guide plate 6 and the sliding arm 5 in the external air guide plate assembly, ensures that the positions of the air guide plates cannot be easily deviated or loosened, and further ensures the accuracy and reliability of air outlet guiding control of the first external air guide plate 6 and the second external air guide plate 7, and has simple structure and reliable use.

The application discloses an external air guide door assembly 200, which comprises two connecting arms 3, namely a first connecting arm 31 and a second connecting arm 32, wherein two corresponding sliding arms 5 are arranged, namely a first sliding arm 51 and a second sliding arm 52, the first sliding arm 51 can slide on the first connecting arm 31, the second sliding arm 52 can slide on the second connecting arm 32, and the first sliding arm 51 and the second sliding arm 52 are respectively positioned at two ends of the first external air guide plate 6 in the length direction. This arrangement ensures the accuracy and reliability of the position adjustment of the first external air deflector 6, more accurately guides the air flow direction to the desired area, provides better ventilation and air conditioning effects, and further improves the indoor air quality and comfort of the user.

As an example of the present application, the first sliding arm 51 and the second sliding arm 52 are respectively connected to first end plates 602 at two ends of the first external air deflector 6, a projection position of the first end plates 602 on the sliding arm 5 is not greater than an external contour of the air deflector connection portion 502 on the sliding arm 5, a mounting sink 6037 is disposed on an outer side wall of the first end plates 602 near the sliding arm 5, and the second driving device 8 is mounted at a position of the mounting sink 6037 and can be covered by the air deflector connection portion 502.

The arrangement ensures the integrity and the aesthetic property of the external air guide door assembly, and further improves the use experience of users.

The application also discloses an air conditioner, which comprises a wall-mounted air conditioner indoor unit 100, wherein an air outlet 1 is arranged on the wall-mounted air conditioner indoor unit 100, a small air deflector 2 for adjusting the air guiding direction of the air outlet or closing the air outlet 1 is arranged at the position of the air outlet 1, and the external air guiding door assembly 200 described in the embodiment above is also arranged on the wall-mounted air conditioner indoor unit 100.

The application also discloses a control method of the wall-mounted air conditioner indoor unit, which comprises the following steps:

s1: starting up the indoor unit of the wall-mounted air conditioner, rotating the external air guide door assembly, and opening an air inlet grille;

s2: the external air guide door assembly rotates to an air outlet under the action of the first driving device, and a small air guide plate at the air outlet is opened;

s3: judging whether to execute the anti-direct blowing function, if so, entering S4, and if not, executing S5;

S4: the working states of the second driving device and the third driving motor are controlled, the positions of the first external air deflector or the second external air deflector relative to the air outlet are adjusted, and a direct blowing prevention control mode is executed;

S5: the external air guide door assembly continuously rotates under the action of the first driving device and rotates to the lower part of the wall-mounted air conditioner indoor unit, and the wall-mounted air conditioner indoor unit executes a normal air outlet working condition;

S6: if the wall-mounted air conditioner indoor unit receives a shutdown instruction, the method enters S7, and if not, the current operation is executed;

s7: and closing the air outlet by the small air deflector, and rotating the external air guide door assembly to the upper part of the wall-mounted air conditioner indoor unit and covering the air inlet grille.

As an example of the present application, in step S1, the following are included:

S11: the third driving motor starts to work, so that the sliding arm slides to one side far away from the first driving device on the connecting arm;

S12: the first driving device drives the connecting arm, the sliding arm, the first external air deflector and the second external air deflector to integrally rotate to the extending direction of the air outlet.

As an example of the application, in step S11, the sliding arm slides on the connecting arm to the furthest end away from the first drive means.

As an example of the present application, in step S4, the blow-through preventing control mode includes five working conditions:

working condition one: the sliding arm moves on the connecting arm to be close to the proximal end of the first driving device, and the second external air deflector is opposite to the air outlet;

working condition II: the sliding arm is arranged at a position close to the middle of the connecting arm, and the first external air deflector is opposite to the air outlet;

And (3) working condition III: the sliding arm is arranged at a position close to the middle of the connecting arm, and the second external air deflector is opposite to the air outlet;

And (4) working condition four: the sliding arm is arranged at the farthest end of the connecting arm, and the first external air deflector is opposite to the air outlet;

working condition five: the sliding arm is arranged at the farthest end of the connecting arm, and the second external air deflector is opposite to the air outlet.

The anti-direct-blowing wind effect of the five working conditions is gradually enhanced, the anti-direct-blowing control mode is increased, and the use experience of a user is improved.

As an example of the present application, in step S7, the following are included:

S71: the small air deflector closes the air outlet;

S72, sliding the sliding arm to the most distal end on the connecting arm;

S73: the first driving device drives the connecting arm, the sliding arm, the first external air deflector and the second external air deflector to integrally rotate to the upper part of the wall-mounted air conditioner indoor unit;

s74, starting the second driving device to work so that the second external air guide plate extends out of the first external air guide plate;

S75, the first external air deflector and the second external air deflector slide towards the proximal end of the connecting arm under the action of the third driving motor to cover the air inlet grille;

S76: the indoor unit of the wall-mounted air conditioner is powered off.

On the basis of the improved structure of the external air guide door assembly in the above embodiment, the control program of the air outlet 1 on the wall-mounted air conditioner indoor unit 100 is optimized, the relative position profile and the air guide angle of the first external air guide plate 6 and the second external air guide plate 7 are adjusted according to the working state, the air flow efficiency is improved, the performance of the air conditioner is improved, more air outlet working conditions are provided, a more comfortable and uniform air distribution environment is obtained for a user, and the use experience of the user is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. An external air guide door assembly, comprising:

The first external air guide plate (6) is provided with a first air guide plate body (601) which is in a strip shape, and limit rails (603) are arranged on first end plates (602) at two ends of the first air guide plate body (601);

the second external air deflector (7) can extend or retract relative to the width direction of the first air deflector body (601) under the action of the second driving device (8);

the connecting arm (3) is connected with the wall-mounted air conditioner indoor unit (100) through the first driving device (4) and can be driven to rotate by the first driving device (4);

The sliding arm (5) is connected with the first external air deflector (6) into a whole and can slide relative to the connecting arm (3).

2. The external air guide door assembly according to claim 1, wherein the second external air guide plate (7) comprises a second air guide plate body (701), a plurality of air outlet holes (702) are formed in the second air guide plate body (701), at least one first connecting shaft (703) is arranged at two opposite ends of the second air guide plate body (701) in the length direction, and the first connecting shaft (703) can be driven by the second driving device (8) to slide in the limiting track (603).

3. The external air guide door assembly according to claim 2, wherein the cross section of the first external air guide plate (6) in the width direction is in an arc shape, the limiting track (603) is in an arc shape on a first end plate (602) of the first air guide plate body (601), and the projection of the second external air guide plate (7) on the first external air guide plate (6) is smaller than the external contour of the first external air guide plate (6).

4. An external air guide door assembly according to any one of claims 1-3, wherein the limit rail (603) comprises a rail limit rib plate (6031), a first sliding limit groove (6032) is arranged in the rail limit rib plate (6031), and a first connecting shaft (703) of the second external air guide plate (7) passes through the first sliding limit groove (6032) to be connected with the second driving device (8) and driven by the first sliding limit groove (6032) to slide.

5. The external air guide door assembly according to claim 4, wherein the second driving device (8) comprises a transmission belt (801) and a second driving motor (804), the transmission belt (801) is arranged in a closed shape, a first rotating wheel (802) and a second rotating wheel (803) are respectively arranged on two opposite sides of the transmission belt (801), the transmission belt (801) can rotate along the first rotating wheel (802) and the second rotating wheel (803), and the first rotating wheel (802) and the second rotating wheel (803) are respectively connected with a first connecting hole (6033) and a second connecting hole (6034) on the first end plate (602) in a rotating mode through a first rotating shaft (8021) and a second rotating shaft (8031), and the first connecting hole (6033) and the second connecting hole (6034) are arranged on two opposite sides of the first sliding limiting groove (6032).

6. The external air guide door assembly according to claim 5, wherein the second driving motor (804) is disposed between the first rotating wheel (802) and the second rotating wheel (803), the driving belt (801) includes an upper belt (8011) and a lower belt (8012), the upper belt (8011) and the lower belt (8012) are respectively disposed at two opposite sides of the first sliding limiting groove (6032) in the length direction and rotate along the trend of the length direction, the second driving motor (804) is disposed at one side of the upper belt (8011) away from the lower belt (8012), a connecting member (805) is disposed on the lower belt (8012), and the connecting member (805) is connected with the first connecting shaft (703).

7. The external air guide door assembly according to claim 6, wherein the connecting piece (805) comprises a first connecting sleeve (8051), limiting ribs (8052) are arranged on two opposite sides of the first connecting sleeve (8051), the limiting ribs (8052) are connected with a lower layer belt of the driving belt (801) through the connecting ribs (8053), and the limiting ribs (8052) can be limited by the first rotating shaft (8021) and the second rotating shaft (8031) when moving to two opposite ends of the first sliding limiting groove (6032).

8. The external air guide door assembly according to claim 1 or 2 or 3 or 5 or 6 or 7, characterized in that the connecting arm (3) comprises a first connecting plate body (301), a second connecting sleeve (302) is arranged at one end of the first connecting plate body (301), and the second connecting sleeve (302) can be driven by the first driving device (4).

9. The external air guide door assembly according to claim 8, wherein a guide rail (303) is arranged on the first connecting plate body (301), the sliding arm (5) comprises a sliding part (501) and an air guide plate connecting part (502), the sliding part (501) comprises a sliding guide groove (5011), and the sliding guide groove (5011) can move in a sliding manner along the guide rail (303) under the action of a transmission screw (5013) and an adjusting nut (305).

10. The utility model provides a wall-mounted air conditioner indoor unit, its characterized in that set up air outlet (1) on the wall-mounted air conditioner indoor unit air outlet (1) position sets up and is used for adjusting air outlet air guide direction or closes little aviation baffle (2) of air outlet (1) still set up external air guide door subassembly according to any one of claims 1 ~ 9 on the wall-mounted air conditioner indoor unit, external air guide door subassembly includes two linking arm (3), is first linking arm (31) respectively, second linking arm (32), corresponding, sliding arm (5) set up two, are first sliding arm (51) respectively, second sliding arm (52), first sliding arm (51) can be in on first linking arm (31) slide, second sliding arm (52) can be in on second linking arm (32), first sliding arm (51) second sliding arm (52) are located respectively first external aviation baffle (6) length direction's both ends.