CN108375108B - Wall-mounted air conditioner indoor unit - Google Patents

Wall-mounted air conditioner indoor unit Download PDF

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Publication number
CN108375108B
CN108375108B CN201810032261.XA CN201810032261A CN108375108B CN 108375108 B CN108375108 B CN 108375108B CN 201810032261 A CN201810032261 A CN 201810032261A CN 108375108 B CN108375108 B CN 108375108B
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CN
China
Prior art keywords
guide plate
air
wall
air outlet
indoor unit
Prior art date
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Active
Application number
CN201810032261.XA
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Chinese (zh)
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CN108375108A (en
Inventor
关婷婷
王永涛
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Priority to CN201810032261.XA priority Critical patent/CN108375108B/en
Publication of CN108375108A publication Critical patent/CN108375108A/en
Application granted granted Critical
Publication of CN108375108B publication Critical patent/CN108375108B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1413Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades

Abstract

The invention provides a wall-mounted air conditioner indoor unit, which comprises a shell, wherein the lower part of the front side of the shell is provided with an upper air outlet and a lower air outlet which are vertically arranged; the air duct is used for guiding the air in the shell to the upper air outlet and the lower air outlet; and a flow directing assembly comprising: the first guide plate is fixedly arranged between the upper air outlet and the lower air outlet; the front end of the second guide plate is pivotally arranged at the rear end of the first guide plate; the rear end of the third guide plate is pivotally arranged on the lower wall of the air duct, and the flow guide assembly is configured into: the second guide plate can be pivoted to a position where the rear end of the second guide plate abuts against the upper wall of the air duct, and the third guide plate is abutted against the lower blowing position of the lower wall of the air duct so as to close a passage from the air duct to the upper air outlet and enable air to be blown out from the lower air outlet only; the second guide plate and the third guide plate can be pivoted to an upward blowing position at which the rear end of the second guide plate is connected with the front end of the third guide plate, so that a passage from the air duct to the lower air outlet is closed, and air can be blown out from the upper air outlet only.

Description

Wall-mounted air conditioner indoor unit
Technical Field
The invention relates to the technical field of air conditioning, in particular to a wall-mounted air conditioner indoor unit.
Background
With the popularization of air conditioners, users have higher and higher requirements on the comfort and health of air supply. The existing air conditioner has a single air supply mode, and cold and hot air can directly blow to a human body if not processed, so that a user feels uncomfortable. Not only is the experience of wind feeling worse, but also the health of human body is influenced.
Disclosure of Invention
The invention aims to provide a wall-mounted air conditioner indoor unit which can enrich air supply modes, improve the comfort level of a user and improve the wind sensation experience of the user.
In particular, the present invention provides a wall-mounted air conditioning indoor unit, comprising:
the lower part of the front side of the shell is provided with an upper air outlet and a lower air outlet which are arranged up and down;
the air duct is used for guiding the air in the shell to the upper air outlet and the lower air outlet; and
a flow directing assembly, comprising:
the first guide plate is fixedly arranged between the upper air outlet and the lower air outlet;
the front end of the second guide plate is pivotally arranged at the rear end of the first guide plate;
a third guide plate, the rear end of which is pivotally arranged on the lower wall of the air duct, and the flow guide assembly is configured as follows:
the second guide plate can be pivoted to a downward blowing position that the rear end of the second guide plate abuts against the upper wall of the air duct, and the third guide plate is attached to the lower wall of the air duct, so that the passage from the air duct to the upper air outlet is closed, and air can only be blown out from the lower air outlet;
the second guide plate and the third guide plate can be pivoted to an upward blowing position where the rear end of the second guide plate is connected with the front end of the third guide plate, so that the passage from the air duct to the lower air outlet is closed, and air can only be blown out from the upper air outlet.
Optionally, the first guide plate is gradually inclined downwards from the front end to the rear end thereof.
Optionally, the first guide plate is a circular arc plate with an axis located at the rear upper part of the circular arc plate.
Optionally, the second guide plate is a flat plate; the second guide plate is tangent to the first guide plate when the second guide plate is in the up-blowing position.
Optionally, the third guide plate is inclined downward from the rear to the front when in the blow-up position.
Optionally, the front end of the third guide plate is provided with a groove, and the rear end of the second guide plate is placed in the groove when the second guide plate is in the upward blowing position, so that the second guide plate is smoothly connected with the upper surface of the first guide plate.
Optionally, when the second guide plate is in the downward blowing position, the second guide plate and the lower duct wall are both extended from back to front and gradually inclined downwards; and when the second guide plate is positioned at the upward blowing position, the second guide plate and the upper wall of the air duct are inclined and extend upwards gradually from back to front.
Optionally, an air deflector is disposed at the lower air outlet, and the air deflector is configured to be rotatable around a transverse axis to adjust an upper air outlet direction and a lower air outlet direction of the lower air outlet.
Optionally, when the second guide plate is in the upward blowing position, the air deflector is located outside the second guide plate.
Optionally, a motor is respectively mounted at the pivot shafts of the second guide plate and the third guide plate, and is used for driving the second guide plate and the third guide plate to pivot respectively.
Optionally, a plurality of air guide swing blades are installed at the lower wall of the air duct, and the plurality of air guide swing blades are arranged along the transverse direction and configured to adjust left and right air outlet directions of the upper air outlet and the lower air outlet in a rotatable manner.
Optionally, an air outlet grille is arranged at the upper air outlet.
The wall-mounted air conditioner indoor unit is provided with the two air outlets and the flow guide assembly, so that the air supply mode is enriched. When second baffle and third baffle are in the upwind position, can make wind only blow out from last air outlet, make wind raise, can not blow the user, nevertheless can not influence refrigeration/heating performance yet, realize not blowing people's air supply effect, promote user's wind sense and experience. When the second guide plate and the third guide plate are positioned at the downward blowing position, air can be blown out from the lower air outlet only, and the powerful cooling/heating effect in the conventional mode is realized. And the first guide plate and the third guide plate are arranged, so that the size of the second guide plate can be reduced, and the phenomenon that the bottom of the indoor unit is too thick due to the fact that the second guide plate is too large is avoided.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic front view of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention, in which a baffle is in an up-blowing position;
fig. 3 is a cross-sectional view of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention, in which a baffle is in a down-blowing position and a deflector is in an upright state;
fig. 4 is a sectional view of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention, in which a baffle is in a down-blowing position and a deflector is in a horizontal state.
Detailed Description
A wall-mounted type air conditioning indoor unit according to an embodiment of the present invention will be described with reference to fig. 1 to 4. Where the orientations or positional relationships indicated by the terms "front," "back," "upper," "lower," "top," "bottom," "inner," "outer," "lateral," and the like are based on the orientations or positional relationships shown in the drawings, the description is for convenience only and to simplify the description, and no indication or suggestion is made that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
As shown in fig. 1 to 4, a wall-mounted air conditioner indoor unit according to an embodiment of the present invention may generally include a casing 100, an evaporator 900, a fan 800, an air duct 300, two air outlets (an upper air outlet 120 and a lower air outlet 130, respectively), and a flow guide assembly. The wall-mounted air conditioning indoor unit and an air conditioning outdoor unit (not shown) constitute a vapor compression refrigeration cycle system, and realize cooling/heating of an indoor environment.
The fan is preferably a cross-flow fan 800 having an axial direction extending in a lateral direction (i.e., left-right direction as viewed in fig. 1) for causing air to flow from the evaporator 900 to the upper outlet port 120 or the lower outlet port 130 and then to be blown into the room.
The evaporator 900 is used for exchanging heat with air entering the housing 100 from the air inlet 110 to form heat-exchange air (specifically, cold air during cooling and hot air during heating). Evaporator 900 is preferably a three-section finned evaporator covering the space in front of and above crossflow blower 800.
The top of the housing 100 has an air inlet 110, and the air inlet 110 has an air inlet grille. The lower portion of the front side of the casing 100 is provided with the above-mentioned upper air outlet 120 and lower air outlet 130. The upper outlet 120 and the lower outlet 130 are arranged in the up-down direction. The upper outlet 120 is provided at an upper side and facing forward, and the lower outlet 130 is opened at a lower side and facing forward and downward. As shown in fig. 1, the housing 100 may be an elongated structure extending in the transverse direction (i.e., left-right direction). The upper outlet 120 and the lower outlet 130 are elongated openings extending in the transverse direction.
An air duct 300 is arranged in the casing 100, an inlet end of the air duct 300 is located at the cross flow fan 800, and an outlet end of the air duct 300 is located at the two air outlets. The air duct 300 is used to guide the heat-exchange air from the evaporator 900 to the air outlet, so that the air is blown out from the air outlet, thereby realizing cooling/heating of the indoor environment.
The guide assembly includes three guide plates, a first guide plate 101, a second guide plate 500, and a third guide plate 700. All three guide plates extend along the transverse direction. The first guide plate 101 is fixedly disposed between the upper air outlet 120 and the lower air outlet 130, and may be a part of a front panel of the housing. The front end of the second guide plate 500 is pivotably mounted to the rear end of the first guide plate 101, and the pivot shaft 510 extends in the lateral direction. The rear end (D-end) of the third guide plate 700 is provided with a pivot shaft 710 to be pivotably mounted on the lower wall of the air duct 300. The flow-directing assembly is configured to: the second guide plate 500 may be pivoted to a downward blowing position (attached to the CG section) where the rear end (E end) thereof abuts against the upper wall of the wind tunnel 300 and the third guide plate 700 is attached to the lower wall of the wind tunnel 300, so as to close the passage of the wind tunnel 300 to the upper outlet 120, and allow the wind to be blown out only from the lower outlet 130, as shown in fig. 3 and 4. The second guide plate 500 and the third guide plate 700 may also be pivoted to an upward blowing position where the rear end of the second guide plate 500 meets the front end of the third guide plate 700 to close the passage of the wind tunnel 300 to the lower outlet 130 so that the wind can be blown out only from the upper outlet 120.
To achieve the pivoting, motors are respectively installed at the pivot shafts 510 of the second guide plate 500 and the pivot shafts 710 of the third guide plate 700 for driving the second guide plate 500 and the third guide plate 700 to pivot, respectively. Also, the second guide plate 500 and the third guide plate 700 may be stably maintained at the up-blowing position or the down-blowing position.
The end D of the third guide plate is spaced from the bottom end G of the lower wall of the air duct 300, so that the third guide plate 700 and the second guide plate 500 are closer to the upper wall of the air duct 300, and the air flow flows to the upper air outlet 120 more rapidly.
Specifically, the air duct 300 is composed of an upper volute 320 and a lower volute 310, the inner wall of the lower volute 310 is the lower wall of the air duct 300, and the inner wall of the upper volute 320 is the upper wall of the air duct 300. The upper volute 320 is provided with a volute tongue 321, when the second guide plate 500 is located at the downward blowing position, the rear end of the upper volute abuts against the volute tongue 321, so that after the second guide plate 500 and the lower volute 310 form a new air duct together, the upper wall of the new air duct forms a complete volute molded line again, the wind direction meets the flow direction requirement of the cross flow fan 800, and the fan efficiency is improved.
In some embodiments, the first guide plate 101 may be gradually inclined downward from the front end (a end) to the rear end (B end) thereof, as shown in fig. 2. Specifically, the first guide plate 101 is preferably an arc plate having an axis (O axis) located at the rear upper side thereof. The central angle of the circular arc plate is theta, and the radius of the circular arc plate is R. Wherein 35mm ≦ R ≦ 50mm, preferably R ≦ 44 mm. The value range of the theta angle is more than or equal to 0 degrees and less than or equal to 90 degrees, and preferably, the theta angle is 47 degrees.
The second guide plate 500 is preferably a flat plate which is tangential to the first guide plate 101, i.e. OB is perpendicular to the second guide plate 500, when the second guide plate 500 is in said up-blowing position. When the third guide plate 700 is in the up-blowing position, it is gradually inclined downward from the rear to the front (from the D end to the F end). Therefore, the air quantity can be prevented from being influenced and larger noise can be prevented from being generated due to the large eddy current.
In addition, in the down-blowing position, the second guide plate 500 and the lower wall of the air duct 300 are each extended to be gradually inclined downward from the rear to the front, as shown in fig. 3, so that the wind is inclined downward toward the front. When the second guide plate 500 is in the up-blowing position, the second guide plate 500 and the upper wall of the wind tunnel 300 are each extended to be inclined upward from the rear to the front, as shown in fig. 2, so that the wind is inclined upward and forward.
In some embodiments, as shown in fig. 2, the front end of the third guide plate 700 has a groove 702, and the rear end of the second guide plate 500 is inserted into the groove 702 when the second guide plate 500 is in the up-blowing position, so that the second guide plate 500 and the upper surface of the first guide plate 700 are smoothly connected to avoid the influence of the unevenness at the connection of the two on the airflow. A gasket may be disposed within the groove 702 to facilitate sealing with the second guide plate 500.
In some embodiments, as shown in fig. 1 to 4, a wind deflector 200 is disposed at the lower wind outlet 130. The air guiding plate 200 is configured to be rotatable around a transverse axis to adjust the upward and downward air outlet directions of the lower air outlet 130. In addition, when the second guide plate 500 is located at the above-mentioned upward blowing position, the air deflector 200 is located outside the second guide plate 500, so that when the lower outlet 130 is not needed for air supply, the air deflector 200 closes the lower outlet 130, as shown in fig. 1 and 2, and the bottom appearance of the air conditioning indoor unit is more beautiful.
In some embodiments, as shown in fig. 2 to 4, a plurality of air guiding flaps 400 are installed at the lower wall of the air duct 300, and the plurality of air guiding flaps 400 are arranged in the transverse direction and configured to rotatably adjust the left and right air outlet directions of the upper air outlet 120 and the lower air outlet 130, so as to guide the air to the left or the right. The air guide swing blade is widely used in the existing wall-mounted air conditioner indoor unit, and the specific structure of the air guide swing blade is not described again.
In some embodiments, an air outlet grille is disposed at the upper air outlet 120. The upper air outlet 120 is more beautiful due to the arrangement of the air outlet grille. Meanwhile, the air outlet grille can be configured to enable the air to pass through and then be blown obliquely forwards and upwards, so that the air outlet grille has the function of guiding the wind direction.
The wall-mounted air conditioner indoor unit provided by the embodiment of the invention can realize multiple air supply modes:
(1) no blowing mode. As shown in fig. 2, the second guide plate 500 and the third guide plate 700 are in the up-blowing position. At the moment, wind is blown out in an upward mode, the user cannot be blown out, the refrigerating/heating performance cannot be influenced, the air supply effect of people cannot be blown out, discomfort caused by direct blowing of the user is avoided, and the wind feeling experience of the user is improved. When the air conditioner is used for refrigerating or heating, the mode of blowing no people can be adopted.
(2) A powerful heating mode. As shown in fig. 3, the second guide plate 500 and the third guide plate 700 are in the down-blowing position, and the wind guide plate 200 guides the wind downward such that the wind blows straight downward. Because the density of the hot air is low and the hot air has an ascending trend, the hot air is blown downwards as much as possible, and the heating effect can be enhanced.
(3) A forced cooling mode. As shown in fig. 4, the second guide plate 500 and the third guide plate 700 are in the downward blowing position, and the air guide plate 200 guides the wind forward, so that the wind blows forward, and the cold air is blown upward as much as possible due to the sinking tendency of the cold air with high density, thereby enhancing the cooling effect.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A wall-mounted air conditioner indoor unit, comprising:
the lower part of the front side of the shell is provided with an upper air outlet and a lower air outlet which are arranged up and down;
the air duct is used for guiding the air in the shell to the upper air outlet and the lower air outlet; and a flow directing assembly comprising:
the first guide plate is fixedly arranged between the upper air outlet and the lower air outlet;
the front end of the second guide plate is pivotally arranged at the rear end of the first guide plate;
a third guide plate, the rear end of which is pivotally mounted on the lower wall of the air duct, the flow guide assembly being configured to:
the second guide plate can be pivoted to a downward blowing position that the rear end of the second guide plate abuts against the upper wall of the air duct, and the third guide plate is attached to the lower wall of the air duct, so that the passage from the air duct to the upper air outlet is closed, and air can only be blown out from the lower air outlet;
the second guide plate and the third guide plate can be pivoted to an upward blowing position where the rear end of the second guide plate is connected with the front end of the third guide plate, so that the passage from the air duct to the lower air outlet is closed, and air can only be blown out from the upper air outlet.
2. The wall-mounted air conditioning indoor unit of claim 1,
the first guide plate is gradually inclined downwards from the front end to the rear end thereof.
3. The wall-mounted air conditioning indoor unit of claim 2,
the first guide plate is an arc plate with an axis positioned at the rear upper part of the first guide plate.
4. The wall-mounted air conditioning indoor unit of claim 3,
the second guide plate is a flat plate; and is
The second guide plate is tangent to the first guide plate when the second guide plate is in the up-blowing position.
5. The wall-mounted air conditioning indoor unit of claim 3,
the third guide plate is inclined downward from the rear to the front when the third guide plate is in the upward blowing position.
6. The wall-mounted air conditioning indoor unit of claim 1,
the front end of the third guide plate is provided with a groove, and the rear end of the second guide plate is placed into the groove when the second guide plate is located at the upward blowing position, so that the second guide plate is smoothly connected with the upper surface of the first guide plate.
7. The wall-mounted air conditioning indoor unit of claim 1,
when the second guide plate is in the downward blowing position, the second guide plate and the lower wall of the air duct are enabled to extend downwards and gradually from back to front; and is
When the second guide plate is in the upward blowing position, the second guide plate and the air duct upper wall are inclined and extend upwards gradually from back to front.
8. The wall-mounted air conditioning indoor unit of claim 1,
the lower air outlet is provided with an air deflector which is configured to be capable of rotating around a transverse axis to adjust the upper and lower air outlet directions of the lower air outlet.
9. The wall-mounted air conditioning indoor unit of claim 8,
and when the second guide plate is positioned at the upward blowing position, the air deflector is positioned outside the second guide plate.
10. The wall-mounted air conditioning indoor unit of claim 1,
and the pivoting shafts of the second guide plate and the third guide plate are respectively provided with a motor which is respectively used for driving the second guide plate and the third guide plate to pivot.
CN201810032261.XA 2018-01-12 2018-01-12 Wall-mounted air conditioner indoor unit Active CN108375108B (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810032261.XA CN108375108B (en) 2018-01-12 2018-01-12 Wall-mounted air conditioner indoor unit

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CN108375108A CN108375108A (en) 2018-08-07
CN108375108B true CN108375108B (en) 2019-12-31

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113587247A (en) * 2021-07-12 2021-11-02 重庆海尔空调器有限公司 Hanging air conditioner indoor unit and air conditioner with same

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