WO2020001202A1

WO2020001202A1 - Wall-mounted air conditioner indoor unit

Info

Publication number: WO2020001202A1
Application number: PCT/CN2019/087853
Authority: WO
Inventors: 刘光朋; 于尊才; 曾福祥; 唐波; 董志钢; 王文博; 李柯飞; 金锦花
Original assignee: 青岛海尔空调器有限总公司
Priority date: 2018-06-29
Filing date: 2019-05-21
Publication date: 2020-01-02
Also published as: CN110657566A; CN110657566B

Abstract

A wall-mounted air conditioner indoor unit, comprising: a housing (100), the housing (100) having, at the front side bottom portion, an air outlet (120) extending in the lengthwise direction of the housing; a flow guide plate (200) provided below the bottom surface of the housing (100) and extending in the lengthwise direction of the housing (100) to define an air mixing duct (130) with the bottom surface of the housing (100), so as to allow the indoor air to flow to the air outlet (120) through the air mixing duct (130) and to be mixed with the air from the air outlet (120); and two swing arms (320), first ends of the swing arms (320) being rotatably connected to the housing (100) at different positions in the lengthwise direction of the housing, and second ends of the swing arms being slidable in the lengthwise direction of the flow guide plate (200) and rotatably connected to the flow guide plate (200). When the two swing arms (320) are driven in such manner that the second ends thereof are getting close to or away from the housing (100), the two swing arms drive the flow guide plate (200) to translate close to or away from the housing (100), so as to change the overflow area of the air mixing duct (130). The wall-mounted air conditioner indoor unit has an air mixing function and an adjustable air mixing volume.

Description

Wall-mounted air conditioner indoor unit

Technical field

The invention relates to the technical field of air conditioners, in particular to a wall-mounted air conditioner indoor unit.

Background technique

At present, the lower part of the front side of the housing of the wall-mounted air conditioner indoor unit is provided with an air outlet, and the heat exchange air after being heat-exchanged by the heat exchanger is directly blown back to the room from the air outlet under the action of the fan. However, when the air conditioner is used for cooling, the temperature of the air outlet is usually low and not soft enough. During heating, the air temperature is relatively high. Whether the temperature of the air outlet is too low or too high, it will cause discomfort to the user.

Summary of the invention

An object of the present invention is to provide a wall-mounted air conditioner indoor unit with more comfortable air supply.

Another object of the present invention is to make the amount of mixed air flow adjustable.

A further object of the present invention is to enable the wall-mounted air-conditioning indoor unit to hang clothes to dry the clothes using the air conditioner.

In particular, the present invention provides a wall-mounted air conditioner indoor unit, including:

A casing with an air outlet at the bottom of the front side;

A deflector is disposed below the bottom surface of the casing to form a mixed air duct between the area and the bottom surface of the casing to allow indoor air to flow to the air outlet through the mixed air duct and mix with the air from the air outlet; and

Two swing arms, the first end of each swing arm is rotatably connected to a different position in the length direction of the housing, and the second end is slidable along the length direction of the drainage plate and rotatably connected to the drainage plate. When the driven phase brings its second end closer to or away from the casing, the guide plate is driven to move closer to or away from the casing, thereby changing the flow area of the mixed air duct.

Optionally, the second end of the swing arm has a mounting shaft perpendicular to the mounting shaft, and a rotatable roller is sleeved on the mounting shaft; a slide groove extending along a length direction of the guide plate is opened to accommodate the roller, and The shape is arranged so that the roller does not disengage from the chute when it moves along the length of the chute.

Optionally, two rollers are arranged side by side on the mounting shaft, and the connection point between the mounting shaft and the swing arm is located between the two rollers.

Optionally, the opening width of the chute is smaller than its internal width; the distance between the two end surfaces of the two rollers that are far away is greater than the opening width of the chute so as not to pass through the chute.

Optionally, the wall-mounted air conditioner indoor unit further includes: two swing arm drive motors, each swing arm drive motor being mounted on the housing and configured to drive a corresponding swing arm to rotate.

Optionally, the two swing arms are configured to move the deflector to a position abutting the bottom surface of the casing to close the mixed air duct.

Optionally, the wall-mounted air conditioner indoor unit further includes: at least one clothes rail, which is installed on the drainage plate for hanging clothes.

Optionally, the clothes rail configuration can be telescopically controlled in its axial direction to retract into or extend out of the drainage plate.

Optionally, each clothes rod is a retractable piston rod of an electric push rod; the electric push rod includes an outer cylinder fixed to a drainage plate and the piston rod retractably inserted into the outer cylinder, which is configured to be energized when Drive the piston rod to extend or retract into the outer cylinder.

Optionally, there are a plurality of clothes rails, and the plurality of clothes rails are arranged in a straight line along the length direction of the drainage plate.

The wall-mounted air conditioner indoor unit of the present invention is provided with a drainage plate below the casing, and a mixed air duct is formed between the drainage plate and the bottom of the casing. When the air conditioner is running, the heat exchange wind is blown out from the air outlet, the heat exchange wind has a fast flow rate, the pressure becomes low, and a negative pressure area is formed. Under the action of negative pressure at the air outlet and the guidance of the deflector, the indoor air at the bottom of the casing flows through the mixed air duct to the air outlet and mixes with the heat exchange air to form mixed air and then blow it into the room. During cooling, the temperature of the mixed air is higher than the heat exchange air. During heating, the temperature of the mixed air is lower than the heat exchange air. Cooling or heating can make the air more comfortable.

Further, the present invention can move the deflector closer to or farther from the casing, so as to change the distance between the deflector and the bottom surface of the casing, thereby changing the over-flow area of the mixed air duct. The ultimate purpose is to make the amount of mixed air adjustable. Users can increase or decrease the mixing air volume or even turn off the mixing air function according to their needs. In addition, the invention uses the rotation of the two swing arms to drive the translational translation, the movement is stable, and the structure is simple.

Further, in the wall-mounted air-conditioning indoor unit of the present invention, a clothes rail can be further provided on the drainage plate to hang clothes, so that the cold or hot air of the wall-mounted air-conditioning indoor unit can be used to dry the clothes, so that the wall-mounted air-conditioning indoor unit has Drying function. This greatly improves the user experience and becomes a highlight of the wall-mounted air-conditioning indoor unit, which meets the needs of users. In addition, the present invention enables the clothes rail to expand and contract in the axial direction, and can be retracted into the drainage plate when not in use, so that it does not affect the appearance of the wall-mounted air-conditioning indoor unit.

Based on the following detailed description of specific embodiments of the present invention with reference to the accompanying drawings, those skilled in the art will more clearly understand the foregoing and other objects, advantages, and features of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

Hereinafter, some specific embodiments of the present invention will be described in detail by way of example and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar components or parts. Those skilled in the art will appreciate that these drawings are not necessarily drawn to scale. In the drawings:

1 is a schematic cross-sectional view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;

2 is a schematic front view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;

3 is a schematic diagram of a state after the drainage plate of the wall-mounted air-conditioning indoor unit shown in FIG. 2 is moved;

4 is a schematic structural diagram of a swing arm of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;

5 is a schematic plan view of a drainage plate of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;

6 is a schematic cross-sectional view of a drainage plate shown in FIG. 5;

7 is a schematic sectional view of a drainage plate of a wall-mounted air-conditioning indoor unit according to an embodiment of the present invention;

8 is a schematic view of a state of the drainage plate shown in FIG. 7 after the clothes rail is retracted;

FIG. 9 is a schematic block diagram of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention.

detailed description

The wall-mounted air conditioner indoor unit according to the embodiment of the present invention is described below with reference to FIGS. 1 to 9. In the description of the embodiment of the present invention, “front”, “rear”, “up”, “down”, “left”, and “right” The directions or positional relationships indicated by "", "inside", "outside", etc. are based on the positional or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply the device or element referred to It must have a specific orientation and be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the present invention.

The wall-mounted air-conditioning indoor unit according to the embodiment of the present invention is used as an indoor part of a split wall-mounted air-conditioning indoor unit, and is used for hanging on an indoor wall.

FIG. 1 is a schematic sectional view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention. As shown in FIG. 1, the wall-mounted air conditioner indoor unit may generally include a housing 100. The housing 100 is provided with an air inlet 110 for entering air from the indoor environment and an air outlet 120 for supplying air to the indoor environment. The casing 100 is generally a long strip extending horizontally, and the length direction thereof is marked as the left-right direction in the figure. The air outlet 120 is disposed at the bottom of the front side of the casing 100, and can extend into a strip shape along the length direction of the casing 100. An evaporator 710 and a fan 720 are also provided in the casing 100. The evaporator 710 is disposed in the casing 100 and is configured to perform heat exchange with indoor air flowing in from the air inlet 110 to form heat exchange air. For the heat pump type wall-mounted air conditioner, the wall-mounted air conditioner indoor unit has two working modes of cooling and heating, and the heat exchange air is cold air and hot air respectively. The fan 720 may be a cross-flow fan, which is disposed in the casing 100 and is used to cause air to flow from the air inlet 110 to the air outlet 120 through the evaporator, accelerate the cooling or heating process, and increase the cooling capacity or heating. An air deflector 150 is provided at the air outlet 120, which can rotate around an axis parallel to the length direction of the casing 100 so as to adjust the air outlet direction of the air outlet 120.

In the embodiment of the present invention, the wall-mounted air conditioner indoor unit further includes a drainage plate 200. The drainage plate 200 is disposed below the bottom surface of the casing 100 and extends along the length direction of the casing 100. In other words, the drainage plate is also a long plate as a whole. The space between the deflector 200 and the bottom surface of the casing 100 forms a mixed air duct 130 that allows airflow to pass through. When the wall-mounted air-conditioning indoor unit is operating, the heat exchange air is blown out from the air outlet 120, and the heat exchange air has a fast flow speed and a low pressure, and a negative pressure area is formed in the area near the air outlet 120. Under the negative pressure at the air outlet 120 and the guidance of the drainage plate 200, the indoor air at the bottom of the casing 100 (the solid arrow indicates the flow direction in FIG. 1) flows through the mixed air duct 130 to the air outlet 120, and the heat The exchange air (the flow direction is indicated by a hollow arrow in FIG. 1) is mixed to form a mixed air and then blown into the room. When the wall-mounted air-conditioning indoor unit is cooled, the temperature of the mixed air is higher than the heat exchange air. During heating, the temperature of the mixed air is lower than the heat exchange air. It can be seen that the air can be more comfortable when cooling or heating. Especially when refrigerating, avoid too low heat exchange wind to directly blow into the human body to cause air conditioning disease.

FIG. 2 is a schematic front view of a wall-mounted air-conditioning indoor unit according to an embodiment of the present invention; FIG. 3 is a schematic diagram of a state after the drainage plate 200 of the wall-mounted air-conditioning indoor unit shown in FIG.

As shown in FIGS. 2 and 3, the wall-mounted air conditioner indoor unit according to the embodiment of the present invention further includes two swing arms 320. Two ends in the length direction of each swing arm 320 are a first end and a second end, respectively. The first end of each swing arm 320 is rotatably connected to the casing 100, and the second ends of the two swing arms 320 are respectively connected to different positions in the length direction of the casing 100. For example, as shown in FIG. 2, one of the two swing arms 320 is on the left and one is on the right. The second end of each swing arm 320 is slidably connected to the drainage plate 200 along the length direction of the drainage plate 200 and can also rotate relative to the drainage plate 200. The two swing arms 320 can be rotated by human or electric power. When the two swing arms 320 are driven to move their second ends closer to or farther from the casing 100, the draft plate 200 will be driven to move in a direction closer to or farther from the casing 100, so as to change the distance of the mixed air duct 130 Stream area.

For example, as shown in FIG. 2, the two swing arms 320 are both inclined, so that the distance between the second ends of the two arms is smaller than the distance between the first ends. When the left swing arm 320 is driven to rotate counterclockwise, and the right swing arm 320 is driven to rotate clockwise and the rotation speed is the same, the second ends of the two swing arms 320 are gradually approaching the housing 100. While the two swing arms 320 rotate around their first ends, the second ends of the two swing arms 320 move along the length of the draft plate 200 (while moving, the second ends of the swing arms 320 and the draft plate 200 There is also relative rotation). In this way, the deflector 200 is moved closer to the casing 100 in a translation attitude and moved to the position of FIG. 3, so that the area of the mixed air flow channel 130 becomes smaller, and the amount of mixed air becomes smaller. The mixed air volume refers to the air flow rate flowing through the mixed air duct to the air outlet per unit time.

In some embodiments, the two swing arms 320 are configured to move the deflector 200 to a position close to the bottom surface of the housing 100 to close the air mixing duct 130. For example, in FIG. 2, if the distance between the first ends of the two swing arms 320 is greater than the sum of the lengths of the two swing arms 320, it can be ensured that the drainage plate 200 can be translated to a position abutting the bottom surface of the casing 100.

In the embodiment of the present invention, the amount of mixed air can be adjusted by adjusting the position of the drainage plate 200, so that the final air supply temperature of the air outlet 120 can be adjusted. For example, when cooling, and other factors remain unchanged, the larger the amount of mixed air, the lower the temperature of the outlet air; the smaller the amount of mixed air, the lower the temperature of the supply air. In addition, in some cases, when the user needs to obtain cooler cold air when cooling or hotter hot air when heating, the user can choose to turn off the mixing air function.

4 is a schematic structural diagram of a swing arm 320 of a wall-mounted air-conditioning indoor unit according to an embodiment of the present invention; FIG. 5 is a schematic top view of a drainage plate 200 of the wall-mounted air-conditioning indoor unit according to an embodiment of the present invention; A schematic cross-sectional view of the drainage plate 200 shown.

An optional connection form of the swing arm 320 and the drainage plate 200 is described below with reference to FIGS. 3 to 6. As shown in FIG. 4, the second end of each swing arm 320 has a mounting shaft 321, and the axial direction of the mounting shaft 321 is perpendicular to the length direction of the swing arm 320. A rotatable roller 322 is sleeved on the mounting shaft 321. It can be understood that the roller 322 is cylindrical as a whole, and a circular through hole is opened in the center so as to be sleeved on the mounting shaft 321. The drainage plate 200 is provided with a chute 210 extending along a length direction thereof so as to receive the roller 322. When the second end of the swing arm 320 moves along the inner wall of the chute 210, the roller 322 rotates relative to the mounting shaft 321 to roll along the inner wall of the chute 210, which will cause the second end of the swing arm 320 to be in the chute. The 210's movement is smoother and noise is lower.

As shown in FIG. 4, two rollers 322 can be arranged on the mounting shaft 321 side by side at intervals. The connection point between the mounting shaft 321 and the swing arm 320 is located between the two rollers 322. The two rollers 322 are provided to make the force more uniform, so that the rolling is more labor-saving. Those skilled in the art should understand that the shape of the chute 210 should be configured so that the roller 322 does not leave the chute 210 when it moves along the length direction of the chute 210. Specifically, as shown in FIG. 5 and FIG. 6, the width B2 of the opening 211 of the chute 210 can be made smaller than its inner width B1 (the inner boundary of the chute 210 is indicated by a dotted line). The distance between the two end surfaces of the two rollers 322 (that is, the distance B3 between the front of the front roller 322 and the rear of the rear roller 322 in FIG. 4) is greater than the width B1 of the opening 211 of the chute 210, of course. It must be smaller than the internal width B2 of the chute 210 so as to be able to enter the inside of the chute 210, but cannot be separated from the chute 210 through the opening 211 of the chute 210 during operation.

The roller 322 can be fitted into the chute 210 in the following manner. Make the diameter of the roller 322 smaller than the width B2 of the opening 211 of the chute 210, first make the axial direction of the roller 322 parallel to the length direction of the chute 210, and put the roller 322 into the chute 210 from the opening 211 of the chute 210. Then, the swing arm 320 is rotated, and finally the axial direction of the roller 322 can be perpendicular to the length direction of the sliding groove 210.

As shown in FIG. 3, the wall-mounted air conditioner indoor unit further includes two swing arm driving motors 310. Each swing arm driving motor 310 is mounted on the casing 100, and a rotating shaft thereof is connected to the first end of the swing arm 320 for driving the swing arm 320 to rotate. The swing arm driving motor 310 may be a stepping motor.

The two swing arm driving motors 310 can be exposed below the bottom surface of the casing 100 instead of being hidden inside the casing 100. As shown in FIG. 5, two yielding cavities 212 are provided on the top of the drainage plate 200, and the two yielding cavities 212 are disposed at both ends of the chute 210. When the drainage plate 200 is in a position abutting against the bottom surface of the housing 100, the two yielding cavities 212 are used to receive the two swing arm driving motors 310.

In some embodiments, the wall-mounted air-conditioning indoor unit further includes at least one clothes rail 420, which is installed on the drainage plate 200 for hanging clothes. For example, as shown in FIG. 1 and FIG. 6, a hole 421 may be provided at an end of the clothes rail 420 for hanging the hanger 10.

When the wall-mounted air-conditioning indoor unit is running, the cold or hot air of the wall-mounted air-conditioning indoor unit can also be used to dry clothes. The wall-mounted air-conditioning indoor unit has a clothes drying function, which improves the user experience and becomes a highlight, which meets the needs of users.

As shown in FIG. 2, the number of the clothes rails 420 is multiple, and the multiple clothes rails 420 are arranged in a straight line along the length direction of the drainage plate 200 so as to suspend multiple pieces of clothing at the same time.

FIG. 7 is a schematic cross-sectional view of a drainage plate 200 of a wall-mounted air-conditioning indoor unit according to an embodiment of the present invention; FIG. 8 is a schematic view of the drainage plate 200 shown in FIG. 7 after the clothes rail 420 is retracted. As shown in FIG. 7 and FIG. 8, the clothes rail 420 can be configured to controllably expand and contract in its axial direction to retract into the drainage plate 200 or extend out of the drainage plate 200.

Specifically, each clothes rod 420 is a piston rod of an electric push rod 400. The electric push rod 400 includes an outer cylinder fixed to the drainage plate 200 and a piston rod which is telescopically inserted into the outer cylinder. As shown in FIG. 7, a mounting hole 410 may be formed in the drainage plate 200 to constitute the aforementioned outer cylinder.

The electric pusher 400 is an electric drive device that converts the rotary motion of the motor into the linear reciprocating motion of the pusher. The motion conversion can be achieved by a screw mechanism, a gear mechanism or a hydraulic mechanism, because it is widely used in the existing technology , Its specific structure will not be introduced here.

The present invention enables the clothes rail 420 to expand and contract axially, and can be retracted into the drainage plate 200 when not in use, so that it does not affect the appearance of the air conditioner.

FIG. 9 is a schematic block diagram of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention. As shown in FIG. 9, the wall-mounted air conditioner indoor unit further includes a main control board 900 and a remote control 910, and the remote control 910 and the main control board 900 are connected by a wireless signal for users to control the air conditioner. Including turning on and off, choosing cooling or heating, setting the temperature, wind speed, timing the air-conditioning on time, and so on. The two swing arm drive motors 310 and the electric push rod 400 can be electrically connected to the main control board 900 to accept the control of the main control board 900, and the remote control 910 can be added to control the two swing arm drive motors 310 and the electric push rod. The 400 operating state buttons allow the user to adjust the position of the drainage plate 200 and the telescopic pole 420 through the remote control 910, which greatly facilitates the user's operation.

At this point, those skilled in the art should realize that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, the present invention can still be disclosed in accordance with the present invention without departing from the spirit and scope of the present invention. The content directly determines or derives many other variations or modifications consistent with the principles of the invention. Therefore, the scope of the present invention should be understood and deemed to cover all these other variations or modifications.

Claims

A wall-mounted air conditioner indoor unit includes:

A casing with an air outlet at the bottom of the front side;

A deflector is disposed below the bottom surface of the casing, and a mixed air duct is formed in a region between the bottom surface of the casing and the indoor air to allow the indoor air to flow to the air outlet through the mixed air duct, Mixing from the air outlet; and

Two swing arms, the first end of each swing arm is rotatably connected to a different position in the length direction of the casing, and the second end is slidable along the length direction of the drainage plate and is rotatably connected to the position The drainage plate is described and configured to:

When the two swing arms are driven to move their second ends close to or away from the casing, the guide plate is driven to translate toward or away from the casing to change the flow area of the mixed air duct .
The wall-mounted air conditioner indoor unit according to claim 1, wherein

A second end of the swing arm has a mounting shaft perpendicular thereto, and the mounting shaft is sleeved with a rotatable roller;

A slide groove extending along the length direction of the guide plate is provided to accommodate the roller, and the shape of the slide groove is configured such that when the roller moves along the length direction of the slide groove, Will come off the chute.
The wall-mounted air conditioner indoor unit according to claim 2, wherein

Two of the rollers are arranged side by side on the mounting shaft, and a connection point between the mounting shaft and the swing arm is located between the two rollers.
The wall-mounted air conditioner indoor unit according to claim 3, wherein

An opening width of the chute is smaller than an inner width thereof;

The distance between the two end surfaces of the two rollers facing away from each other is larger than the opening width of the chute, so that the two rollers cannot pass through the chute.
The wall-mounted air conditioner indoor unit according to claim 2, further comprising:

Two swing arm drive motors, each of which is mounted on the housing, are configured to drive a corresponding swing arm to rotate.
The wall-mounted air conditioner indoor unit according to claim 1, wherein

The two swing arms are configured to move the deflector to a position abutting the bottom surface of the casing to close the mixed air duct.
The wall-mounted air conditioner indoor unit according to claim 1, further comprising:

At least one clothes rail is mounted on the drainage plate for hanging clothes.
The wall-mounted air conditioner indoor unit according to claim 7, wherein

The clothes rail configuration can be telescopically controlled in its axial direction to retract into the drainage plate or extend out of the drainage plate.
The wall-mounted air conditioner indoor unit according to claim 8, wherein

Each of the clothes rods is a retractable piston rod of an electric push rod;

The electric push rod includes an outer cylinder fixed to the drainage plate and the piston rod which is telescopically inserted into the outer cylinder, and is configured to drive the piston rod to extend or retract into the outer cylinder when energized.
The wall-mounted air conditioner indoor unit according to claim 7, wherein

The number of the clothes rails is multiple, and

A plurality of the clothes rods are arranged in a straight line along a length direction of the drainage plate.