CN114763922A - Vertical air conditioner indoor unit - Google Patents

Abstract

The invention provides a vertical air conditioner indoor unit, which comprises a shell, a fan and a fan, wherein an air outlet is formed in the shell; the air guide cover ring can be sleeved on the periphery of the shell in a translation mode to define an upper channel with an upward opening and a lower channel with a downward opening together with the peripheral surface of the shell, and the air guide cover ring is configured to: the lower channel can be moved to a downward blowing position for communicating the lower channel with the air outlet so as to guide the air supply flow downward; or the air conditioner moves to an upward blowing position where the upper channel is communicated with the air outlet so as to guide the air flow upwards; and the outer cover ring is sleeved on the outer side of the air guide cover ring and is fixed on the shell, so that the air guide cover ring is hidden inside the outer cover ring when being positioned at the upward blowing position and the downward blowing position. The vertical air conditioner indoor unit has good up-blowing effect and down-blowing effect.

Description

Vertical air conditioner indoor unit

technical field

The invention relates to the technical field of air conditioning, in particular to a vertical air conditioner indoor unit.

Background technique

Because the density of cold air is relatively high, it tends to sink, and the density of hot air is relatively low, and it tends to rise. Therefore, the air conditioner needs to blow the cooler air upwards as much as possible when cooling, and blow the hot air toward the ground as much as possible when heating, so that the cold air or hot air can spread more evenly in the indoor space and make the cooling and heating speed faster.

The existing vertical air conditioner indoor unit is usually provided with an air outlet facing forward, and the air guide structure such as the air guide plate and the swing blade is used to guide the air outlet direction of the air supply air, so as to realize upward blowing or downward blowing. However, various current air guide structures have limited wind guide angles, and can only supply air obliquely upward or downward. It is difficult for cold air or hot air to reach the roof or floor area, which affects the cooling or heating effect.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a vertical air conditioner indoor unit that overcomes the above problems or at least partially solves the above problems, and enhances the upward blowing and downward blowing effects of the vertical air conditioner indoor unit.

Another object of the present invention is to make the appearance of the vertical air conditioner indoor unit more stable and beautiful.

In particular, the present invention provides a vertical air conditioner indoor unit, which includes:

a casing, on which an air outlet is opened;

The air guide cover ring is sleeved on the outer periphery of the casing in a translatable manner, so as to define an upper channel with an upward opening and a lower channel with an opening downward together with the outer peripheral surface of the casing, and the wind guide cover ring is configured to: The passage communicates with the air outlet to guide the supply air flow downwardly; or moves to a blow-up position where the upper passage communicates with the air outlet to guide the supply air flow upward; and

The outer cover ring is sleeved on the outside of the air guide cover ring and fixed to the casing, so that the air guide cover ring is hidden inside the outer cover ring when it is in the upward blowing position and the downward blowing position.

Optionally, the air guide hood ring and the outer hood ring are both in vertical cylindrical shape as a whole, and the air guide hood ring is abutted against the inner side surface of the outer hood ring.

Optionally, the wind deflector ring can be installed on the casing in a translational manner up and down, and has a partition that protrudes from its inner surface toward the outer peripheral surface of the casing to separate the upper channel and the lower channel, and the wind deflector ring is in the upward blowing position. In the position, the partition part is below the air outlet, and when the air guide hood ring is in the downward blowing position, the partition part is above the air outlet.

Optionally, the upper and lower surfaces of the partition are concave arc surfaces.

Optionally, the vertical air conditioner indoor unit further includes: at least one rack and pinion mechanism for driving the air guide cover ring to translate up and down, each rack and pinion mechanism includes a motor, an intermeshing gear and a rack, and the motor is mounted on the casing. , the gear is mounted on the motor, and the rack extends along the vertical direction and is connected to the air guide hood ring.

Optionally, the number of rack-and-pinion mechanisms is two, wherein the two motors are respectively installed on both lateral sides of the casing.

Optionally, the air outlet is opened on the front side of the casing; the two lateral sides of the inner wall of the air guide hood ring are respectively provided with vertically extending wind blocking strips for blocking the backward flow of the supply air; and each wind blocking strip is formed with a rack.

Optionally, the air outlet is in the shape of an elongated strip whose length direction is along the horizontal direction.

Optionally, an air guide swing blade for guiding the air supply air upward or downward is installed at the air outlet.

Optionally, the air outlet is located in the upper area of the front side of the casing, and the lower part of the rear side of the casing is provided with an air inlet; and the vertical air conditioner indoor unit also includes a centrifugal fan and a plate heat exchanger, and the centrifugal fan is arranged in front of the air inlet. The sides and the axis extend in the front-rear direction, and the plate-shaped heat exchanger is disposed in the upper region of the casing gradually and inclined forward from top to bottom.

In the vertical air conditioner indoor unit of the present invention, the air guide cover ring is sleeved on the outer periphery of the casing in a translational manner up and down, and defines an upper channel with an upward opening and a downward channel with an opening downward, so that the vertical air conditioner indoor unit has Up-blowing and down-blowing modes are available to enhance cooling and heating effects. For example, when the air-conditioning heating needs to blow the supply air downward, the air guide cover ring can be moved to the downward blowing position, and the lower channel guides the supply air to flow down against the outer peripheral surface of the cabinet. After the air supply air flows out of the lower channel, it continues to flow down along the outer peripheral surface of the casing by the Coanda effect, so as to reach the ground smoothly and form a carpet air supply effect. In the same way, when the air conditioner is running in the upward blowing mode, move the air guide cover ring to the upward blowing position, and the upper channel guides the supply air to flow up against the outer periphery of the casing. After the supply air flows out of the upper channel, it relies on the attached wall The effect continues to flow up the perimeter of the enclosure to reach the roof. The vertical air conditioner indoor unit of the present invention has better cooling or heating effect, and can also avoid cold air or hot air blowing directly on the human body to cause discomfort to the human body.

In addition, in the vertical air conditioner indoor unit of the present invention, an outer cover ring is provided on the outer cover of the air guide cover ring. No matter what position the air guide cover ring is in, it is hidden inside the outer cover ring. Invisible, so as to maintain the stability and aesthetics of the appearance of the vertical air conditioner indoor unit.

Further, in the vertical air conditioner indoor unit of the present invention, the upper and lower surfaces of the partition portion are both concave arc surfaces, and the air outlet is provided with an air guide swing blade for guiding the supply air flow upward or downward, Both can make the direction change of the supply air flow more gentle when it is blown out from the air outlet and then turned upward or downward, reducing wind loss and noise.

The above and other objects, advantages and features of the present invention will be more apparent to those skilled in the art from the following detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of 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 figures designate the same or similar parts or parts. It will be understood by those skilled in the art that the drawings are not necessarily to scale. In the attached picture:

1 is a schematic structural diagram of a vertical air conditioner indoor unit according to an embodiment of the present invention;

Fig. 2 is a schematic cross-sectional view of the vertical air conditioner indoor unit shown in Fig. 1;

Fig. 3 is a schematic diagram when the vertical air conditioner indoor unit shown in Fig. 2 is switched to an upward blowing mode;

Fig. 4 is the N-N sectional enlarged view of Fig. 2;

Fig. 5 is a schematic exploded view of the vertical air conditioner indoor unit shown in Fig. 1;

FIG. 6 is an enlarged view of part A of FIG. 5 .

Detailed ways

The vertical air conditioner indoor unit according to the embodiment of the present invention will be described below with reference to FIGS. 1 to 6 . Wherein, the orientation or positional relationship indicated by "front", "rear", "upper", "lower", "top", "bottom", "inside", "outside", "horizontal", etc. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention . The flow direction of the supply air flow is indicated by arrows in the figure.

Embodiments of the present invention provide a vertical air conditioner indoor unit for adjusting indoor air, such as cooling/heating, dehumidification, introducing fresh air, and the like.

1 is a schematic structural diagram of a vertical air conditioner indoor unit according to an embodiment of the present invention; FIG. 2 is a schematic sectional view of the vertical air conditioner indoor unit shown in FIG. 1 ; FIG. 3 is a vertical air conditioner indoor unit shown in FIG. 2 switched to the upper Schematic diagram of blowing mode.

As shown in FIGS. 1 to 3 , the vertical air conditioner indoor unit according to the embodiment of the present invention may generally include a casing 10 , an air guide cover ring 20 and an outer cover ring 90 .

The casing 10 is provided with an air outlet 12 for discharging the air supply air in the casing 10 to the room. The supply air flow may be cold air produced by the vertical air conditioner indoor unit in the cooling mode, hot air produced in the heating mode, or fresh air introduced in the fresh air mode, and so on. The casing 10 as a whole is a vertically extending columnar structure, and the air outlet 12 can be arranged in the upper area of the front side of the casing 10 , referring to FIG. 2 .

The wind deflector ring 20 is translatably sleeved on the outer circumference of the casing 10 to define an upper channel 212 with an upward opening and a lower channel 214 with a downward opening together with the outer circumference of the casing 10 . The air guide hood ring 20 is configured to: move to a downward blowing position where the lower channel 214 communicates with the air outlet 12 to guide the supply air flow downward; or move to a position where the upper channel 212 communicates with the air outlet 12 to direct the supply air flow upward Guided blow-up position.

The vertical air conditioner indoor unit of the embodiment of the present invention has an upward blowing mode and a downward blowing mode for selection, so as to improve the cooling and heating effects. For example, when the air-conditioning heating needs to blow the supply air downward, the air guide cover ring 20 can be moved to the downward blowing position, as shown in FIG. After flowing downward, the air supply air flows out of the lower channel 214, and continues to flow downward along the outer peripheral surface of the casing 10 by virtue of the Coanda effect, so as to reach the ground smoothly and form a carpet-like air supply effect. When the air conditioner is operating in the upward blowing mode, move the air guide hood ring 20 to the upward blowing position, as shown in FIG. 3 , the supply air flow is guided by the upper channel 212 to flow up against the outer peripheral surface of the casing 10, and the supply air flow flows out of the upper channel After 212, rely on the Coanda effect to continue to flow upward along the outer peripheral surface of the cabinet 10, so as to reach the roof smoothly. The indoor unit of the vertical air conditioner of the embodiment of the present invention has better cooling or heating effect, and can also avoid cold air or hot air blowing people to cause discomfort to the human body.

The outer cover ring 90 is sleeved on the outside of the air guide cover ring 20 and fixed to the casing 10 so that the air guide cover ring 20 is hidden inside the outer cover ring 90 when it is in the upward blowing position and the downward blowing position. That is, the position and movement process of the air guide cover ring 20 are invisible, and the fixed outer cover ring 90 plays a decorative role, so as to maintain the stability of the appearance of the vertical air conditioner indoor unit.

In some embodiments, as shown in FIG. 1 to FIG. 4 , the air guide cover ring 20 can be mounted on the casing 10 so as to be able to translate up and down, and has a partition protruding from its inner surface toward the outer peripheral surface of the casing 10 . 23, to separate the aforementioned upper channel 212 and lower channel 214. That is, the partition portion 23 partitions the annular space defined by the air guide hood ring 20 and the outer surface of the casing 10 into two upper and lower parts, which are the upper channel 212 and the lower channel 214 respectively. When the air guide hood ring 20 is in the upward blowing position, the partition 23 is located below the air outlet 12, so that the upper channel 212 is connected to the air outlet 12; above, so that the lower channel 214 communicates with the air outlet 12 .

The air guide hood ring 20 and the outer hood ring 90 are both in vertical cylindrical shape as a whole, and the air guide hood ring 20 abuts against the inner surface of the outer hood ring 90 . Further, the aforementioned air guide cover ring 20 is a full ring, that is, a complete ring. In addition, the air guide cover ring 20 can also be made into a semi-annular shape, so that it can surround the circumferential section of the casing 10 where the air outlet 12 is opened, instead of completely surrounding the casing 10 .

As shown in FIG. 2 and FIG. 3 , the upper and lower surfaces of the partition 23 can be both concave arc surfaces, so that when the supply air flow is blown out from the air outlet 12 and then turned upward or downward, its direction can be changed more and more. Moderate, reduce wind loss and noise.

FIG. 4 is an enlarged view of the N-N sectional view of FIG. 2 ; FIG. 5 is a schematic exploded view of the vertical air conditioner indoor unit shown in FIG. 1 .

As shown in FIG. 5 , the air outlet 12 is an elongated shape with a lengthwise direction along the horizontal direction. In this way, the lateral span of the air outlet 12 can be made larger, which is favorable for designing the upper channel 212 and the lower channel 214 to have a smaller width (the distance between the air guide ring 20 and the outer peripheral surface of the casing 10 ) and a smaller length (ie, the upper channel). 212 and the lower channel 214 along the circumferential direction of the casing 10) are longer and flat, so that the air supply air can be more attached to the outer peripheral surface of the casing 10, so that the attachment effect is better. Moreover, the distance between the air guide hood ring 20 and the casing 10 is also made closer, so as to avoid the installation of the air guide hood ring 20 to make the vertical air conditioner indoor unit thicker, which will affect the packaging and appearance. As shown in FIG. 4 , the widths of the upper channel 212 and the lower channel 214 can be made equal, and the ratio of the width to the height of the air outlet 12 (the dimension of the air outlet 12 in the vertical direction) is 1/4 to 1/4. 3, for example, set it to 0.3 to achieve the best sticking effect.

FIG. 6 is an enlarged view of part A of FIG. 5 .

As shown in FIG. 5 and FIG. 6 , the vertical air conditioner indoor unit includes at least one rack and pinion mechanism for driving the air guide cover ring 20 to translate up and down. Each rack and pinion mechanism includes a motor 70 , an intermeshing gear 80 and a rack 251 . The motor 70 is mounted on the casing 10 . The gear 80 is connected to the motor 70 . The rack 251 extends in the vertical direction and is connected to the air guide ring 20 . When the motor 70 drives the gear 80 to rotate, the rack 251 translates up and down, so as to drive the wind deflector ring 20 to translate up and down. Specifically, the number of rack-and-pinion mechanisms is preferably two, wherein two motors 70 are installed on both lateral sides of the casing 10 respectively, so that the air guide ring 20 can translate up and down more smoothly.

As shown in FIG. 5 and FIG. 6 , the air outlet 12 is opened on the front side of the casing 10 , so that the two lateral sides of the inner wall of the air guide hood ring 20 are respectively provided with vertically extending wind blocking strips 25 for blocking the direction of the air supply. The airflow is made to flow upwards or downwards only along the outer peripheral surface of the front side part of the casing 10 , so as to avoid its spreading and excessive dispersion and affecting its wind power. Also, each of the windshield bars 25 is formed with a rack 251 . That is to say, the rack 251 is arranged just by using the windshield 25, and the structure is more ingenious.

As shown in FIG. 2 to FIG. 5 , the air outlet 12 may be provided with an air guide swing blade 60 for guiding the supply air flow upward or downward. In this way, when the indoor unit of the vertical air conditioner operates in the upward blowing mode, the air-supplying air flow can be guided upward by the air guide swing vanes 60; when the downward blowing mode is operated, the air supply air flow can be guided downward by the air guiding swing vanes 60. , so that when the air flow is blown out from the air outlet 12 and then turned upward or downward, the direction change is more moderate, and the wind loss and noise are reduced. The wind guide swing blade 60 can be installed on the frame 61 , and the frame 61 is directly installed on the air outlet 12 .

As shown in FIGS. 2 to 5 , the air outlet 12 can be located in the upper area of the front side of the casing 10 , and the air inlet 11 is opened at the lower part of the rear side of the casing 10 . The vertical air conditioner indoor unit also includes a centrifugal fan 50 and a plate heat exchanger 30 . The centrifugal fan 50 is disposed on the front side of the air inlet 11 and the axis extends in the front-rear direction, and the plate-shaped heat exchanger 30 is disposed in the upper region of the casing 10 gradually inclined forward from top to bottom.

As shown in FIGS. 2 to 5 , the casing 10 is composed of a front casing 101 , a rear casing 102 , a top plate 103 and a bottom plate 104 . The air outlet 12 is opened on the front casing 101 , and the air inlet 11 is opened on the rear casing 102 . The volute 40 is disposed in the casing 10 and its inlet is opposite to the air inlet 11 . The volute 40 includes a volute body 41 , a volute cover 42 , a gasket 44 and a water collecting tray 43 . The plate heat exchanger 30 is located above the volute 40 , and its lower end is located above the water receiving pan 43 , so that the condensed water on the plate heat exchanger 30 drops into the water receiving pan 43 . In addition, other air outlets can also be provided on the casing 10 to supply air in the forward, left and right directions in the normal mode.

By now, those skilled in the art will recognize that although various exemplary embodiments of the present invention have been shown and described in detail herein, the present invention may still be implemented in accordance with the present disclosure 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. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. An indoor unit of a floor type air conditioner, comprising:

a casing, which is provided with an air outlet;

the air guide cover ring can be sleeved on the periphery of the shell in a translation mode to define an upper channel with an upward opening and a lower channel with a downward opening together with the periphery of the shell, and the air guide cover ring is configured to: the lower channel can be moved to a downward blowing position which enables the lower channel to be communicated with the air outlet so as to guide the air supply flow downward; or the air outlet is communicated with the upper channel so as to lead the air flow to the upward blowing position; and

and the outer cover ring is sleeved on the outer side of the air guide cover ring and is fixed on the shell, so that the air guide cover ring is hidden inside the outer cover ring when being positioned at the upward blowing position and the downward blowing position.

2. An indoor unit of a floor type air conditioner according to claim 1,

the air guide cover ring and the outer cover ring are integrally vertically arranged in a cylindrical shape, and the air guide cover ring is attached to the inner side surface of the outer cover ring.

3. The indoor unit of a floor air conditioner according to claim 1,

the air guide cover ring is mounted on the shell in a vertically-sliding mode and provided with a partition part protruding from the inner side surface of the air guide cover ring towards the outer peripheral surface of the shell so as to partition the upper channel and the lower channel, when the air guide cover ring is located at the upward blowing position, the partition part is located below the air outlet, and when the air guide cover ring is located at the downward blowing position, the partition part is located above the air outlet.

4. The indoor unit of a floor air conditioner according to claim 3,

the upper surface and the lower surface of the partition part are both concave cambered surfaces.

5. The indoor unit of a floor air conditioner according to claim 1, further comprising:

the air guide cover ring is arranged on the machine shell, and comprises at least one gear rack mechanism used for driving the air guide cover ring to move up and down.

6. An indoor unit of a floor type air conditioner according to claim 5,

the number of the gear rack mechanisms is two, wherein the two motors are respectively arranged on the two transverse sides of the shell.

7. The indoor unit of a floor air conditioner according to claim 6,

the air outlet is formed in the front side of the shell;

the transverse two sides of the inner wall of the air guide cover ring are respectively provided with a vertically extending wind shielding strip for blocking the backward flow of the air supply airflow; and is

Each wind-shielding strip is provided with one rack.

8. The indoor unit of a floor air conditioner according to claim 1,

the air outlet is long-strip-shaped along the horizontal direction in the length direction.

9. The indoor unit of a floor air conditioner according to claim 1,

and the air outlet is provided with an air guide swing blade for guiding the air flow upwards or downwards.

10. The indoor unit of a floor air conditioner according to claim 1,

the air outlet is positioned in the upper area of the front side of the shell, and the lower part of the rear side of the shell is provided with an air inlet; and is provided with

The vertical air conditioner indoor unit further comprises a centrifugal fan and a plate-shaped heat exchanger, the centrifugal fan is arranged on the front side of the air inlet, the axis of the centrifugal fan extends in the front-back direction, and the plate-shaped heat exchanger is arranged in the upper area in the shell in a manner of gradually inclining forwards from top to bottom.

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