CN1254643C - Wall-mounted air conditioner - Google Patents

Abstract

The invention provides a wall-mounted air conditioner which can restrain the height of an indoor unit and enlarge the wind direction range in the vertical direction. Suction grilles (24a, 24b) having suction ports (23a, 23b) are attached to the center of a wall-mounted indoor unit (2), and an indoor heat exchanger (20) is housed therein. An indoor blowing fan (34) and an indoor blowing motor (40) are mounted at the side position, and a fan case (28) for accommodating the indoor blowing fan (34) and the indoor blowing motor (40) is mounted on the indoor unit main body (26) through a driving mechanism (41). Therefore, the height of the wall-mounted indoor unit (2) can be reduced. At the same time, the air outlet (25) can be made to face upward, so that the range of the wind direction in the vertical direction can be expanded.

Description

Wall Mounted Air Conditioning Unit

technical field

The present invention relates to an air conditioner with an indoor unit, and in particular to a wall-mounted air conditioner that can be installed in places with limited dimensions such as above windows.

Background technique

In the existing wall-mounted air conditioners, the outdoor unit is generally located outdoors, and the indoor unit is installed above the indoor wall. The indoor unit is provided with an air inlet for sucking indoor air in the front and a top plate, and an air outlet equipped with a wind direction plate is arranged under the front.

In recent years, in order to prevent global warming and promote energy saving, air-conditioning apparatuses have tried to increase the COP (coefficient of performance) in order to increase the heat exchange rate. Therefore, for the purpose of improving the heat exchange rate, there is a direction to increase the effective area of the heat exchange section in the indoor and outdoor heat exchange sections.

This increase in the size of the indoor-outdoor heat exchange unit is also advantageous in terms of noise reduction for the air conditioner. However, according to the existing residential conditions, the indoor unit is installed on the wall on the window, so its size is limited in relation to the height direction of the indoor unit.

Therefore, the indoor unit has a structure in which an air inlet is provided from the front surface of the main body of the indoor unit to the top plate, the indoor heat exchange part is divided into a plurality of heat exchange parts, and a transition is made from the front surface of the indoor unit to the top plate, These heat exchange parts are arranged in a substantially inverted arc shape, and a cylindrical indoor blower fan is installed below them, and the COP is improved while suppressing the dimension of the indoor unit in the height direction. and mute (eg, refer to Patent Document 1).

By forming the indoor heat exchange part in an arc shape and arranging it within a predetermined distance from the indoor blower fan, it is proposed that the indoor air passes through the indoor heat exchange part evenly, and noise reduction and COP are improved. scheme (for example, refer to Patent Document 2).

[Patent Document 1] Japanese Unexamined Patent Publication No. 11-241836 (3rd to 4th pages, Figure 1)

[Patent Document 2] JP-A-11-281144 (2nd to 3rd pages, Figures 1 to 3)

Contents of the invention

However, when the indoor unit is mounted on a window equipped with a curtain rail or the like in the configuration in which the indoor air blower is disposed below the indoor heat exchange unit, the installation may be difficult due to the height dimension of the indoor unit.

In addition, because the indoor unit is usually equipped with an exhaust port on the lower front and an air intake port on the upper front, when the wind direction plate equipped with the exhaust port is placed in a horizontal position and the heating operation is performed, it is easy to cause the There is a problem that the air-conditioning performance deteriorates due to the air short-circuit phenomenon in which the exhaust port is warmed and the discharged air is sucked into the intake port as it is.

Therefore, for example, even if an attic (a mezzanine between the first floor and the second floor) is installed from the viewpoint of effectively utilizing the indoor space in a studio apartment, etc., when the attic is heated, the above-mentioned air short-circuit phenomenon also occurs remarkably, resulting in failure. When performing heating as imagined. In addition, if the indoor unit is installed at a wall height that can sufficiently heat the attic, the indoor unit must be installed at a position higher than the normal installation height so that the attic can be heated. The hot air discharged from the exhaust port of the indoor unit hardly reaches the ground. Therefore, an object of the present invention is to provide a wall-mounted air conditioner, which is proposed in view of the above-mentioned problems, can suppress the height dimension of the indoor unit, and at the same time expand the range of the wind direction in the vertical direction.

The solution of the present invention is: a wall-mounted air conditioner, which is installed above the indoor wall, and is characterized in that it includes: a heat exchange part, which accommodates the indoor heat exchanger while having a suction port for sucking indoor air. Inside: a plurality of air supply parts, which have: a fan case, which is provided in front of the exhaust port for discharging indoor air that is heat-exchanged by an indoor heat exchanger; an indoor supply fan, which is accommodated in the fan case; A motor, which drives the indoor fan; a drive mechanism, which rotates the exhaust port of the fan case in the up and down direction, and the heat exchange part and a plurality of air supply parts are arranged side by side in the left and right directions to form a horizontally long Indoor units, the indoor heat exchange part is divided to form a plurality of heat exchange parts, and the plurality of heat exchange parts are arranged in a substantially inverted U-shape, and arranged as the left and right sides of the U-shaped indoor heat exchanger The air blowing parts are respectively provided at the positions of the parts, and these left and right air blowing parts rotate respectively. Therefore, while suppressing the dimension in the height direction of the wall-mounted indoor unit, it is possible to expand the range of the vertical wind direction of the air discharged from the exhaust port.

According to a first aspect of the present invention, a heat exchange unit having a heat exchanger and an air blowing unit including an indoor blower fan for exhausting indoor air heat-exchanged in the heat exchange unit to an indoor space are arranged side by side in an indoor unit.

According to the second aspect of the present invention, in the invention described in the first aspect of the present invention, an air inlet for sucking in the indoor air is provided in the heat exchange unit that accommodates the indoor heat exchanger, and at the same time, The air supply part is provided with an exhaust port.

According to a third aspect of the present invention, in the invention according to the first or second aspect of the present invention, the blower unit is attached to the indoor unit by a drive mechanism, and rotates in an up-down direction.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects of the present invention, the air blowing section is provided at two side positions of the heat exchange section.

According to the fifth aspect of the present invention, in the invention described in any one of the first aspect to the fourth aspect of the present invention, the two side positions of the heat exchange part are provided with the air blowing part respectively by driving The mechanism is installed on the main body of the indoor unit, and makes the air blowing parts rotate respectively.

According to the sixth aspect of the present invention, in any one of the first to fifth aspects of the present invention, the respective air blowing sections provided at the two side positions of the heat exchanging section utilize Driven by at least one indoor blower motor.

According to a seventh aspect of the present invention, in the invention according to any one of the first to sixth aspects of the present invention, a wind direction plate for blowing air to both left and right is provided on the exhaust port provided in the blower unit.

According to an eighth aspect of the present invention, in the invention according to any one of the first to seventh aspects of the present invention, the heat exchange unit and the air supply unit are communicated with each other, and an air vent is provided.

In the ninth aspect of the present invention, in the invention according to any one of the first to eighth aspects of the present invention, the heat exchanger installed in the heat exchange part is divided into a plurality of heat exchange parts, and the These heat exchange parts are arranged in a substantially inverted U-shape.

Description of drawings

Fig. 1 is a refrigerant circuit diagram of a wall-mounted air conditioner;

Fig. 2 is a front view of the wall-mounted indoor unit;

Fig. 3 is a side sectional view of a wall-mounted indoor unit;

Fig. 4 is an exploded view of the installation of the wall-mounted indoor unit.

Detailed ways

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 4 .

First, it will be described with reference to FIG. 1 . As shown in FIG. 1 , a wall-mounted air conditioner 100 is constructed by connecting an outdoor unit 1 and a wall-mounted indoor unit 2 with an inter-unit pipe 3 composed of a liquid pipe 3 a and a glass pipe 3 b and a communication line 4 . Compressor 10, four-way valve 11, outdoor heat exchanger 12, outdoor electric valve 13, accumulator 14 are connected with refrigerant pipes and installed in outdoor unit 1, and, in outdoor unit 1, also install to outdoor heat exchanger 12 an outdoor blower 15 for blowing air and an outdoor control unit 16 for controlling the operation of the outdoor unit 1 and communicating with the indoor control unit 22 installed in the wall-mounted indoor unit 2.

The indoor heat exchanger 20 is connected to the refrigerant piping and installed in the wall-mounted indoor unit 2 , and the wall-mounted indoor unit 2 is also equipped with an air blower 63 for blowing air to the indoor heat exchanger 20 and a control wall-mounted indoor unit 2 . The operation of the unit 2 and the indoor control unit 22 that communicates with the outdoor control unit 16 installed in the outdoor unit 1 .

Next, description will be made with reference to FIGS. 2 to 4 .

Fig. 2 is a front view of the wall-mounted indoor unit 2; Fig. 3 is a side sectional view of the wall-mounted indoor unit 2; Fig. 4 is an installation and exploded view of the wall-mounted indoor unit 2.

As shown in Figure 2, the exhaust port 25 faces the front, and the central part of the wall-mounted indoor unit 2 is equipped with a suction grille 24a equipped with an air inlet 23a on the front, and a suction grille 24a equipped with an air inlet 23b on the top plate. The grill 24b is provided inside the suction grills 24a and 24b, as shown in FIG.

In addition, as shown in FIG. 2 , a side plate 27 that integrally forms the indoor unit main body 26 of the wall-mounted indoor unit 2 is provided on one side thereof; The corner member 30 is installed on the display part of the display part, and the corner member 30 is installed on the main body 26 of the indoor unit.

And the fan casing 28 that air outlet 25 is housed is provided on the outer sides of this side plate 27 and display part installation corner piece 30 respectively, on each air outlet 25, as shown in Figure 4, is provided with to change the wind direction so that The discharged air is directed to the wind direction plate 38 in the left and right directions. The indoor blower fan 34 and the indoor blower motor 40 attached to the blower motor attachment angle member 39 extending from the indoor unit main body 26 are accommodated in the fan case 28 to form a blower unit 63 .

As shown in FIG. 4, the suction grille 24b hooks onto the indoor unit main body 26 through a hooking portion not shown in the figure provided on the rear end edge. Fixtures 35 are provided at the front corners, one of which is mounted on the side of the side plate 27, and the other is mounted on the side of the display unit mounting corner member 30. Equally, suction grille 24a hooks the hook portion 43 of the upper end on the hook hook mouth 42 of suction grille 24b, and installs corner piece 30 toward side plate 27 and display portion with the fixture 36 that is located at the corner of the lower end. Side fixed.

As shown in FIG. 3 , an indoor unit main body 26 is mounted on the back side of the wall-mounted indoor unit 2 , and the indoor control unit 22 is accommodated on the back side of the bottom surface of the indoor unit main body 26 . Moreover, the indoor heat exchanger 20 is comprised from indoor heat exchange parts 20a-20d. In the wall-mounted indoor unit 2, an indoor heat exchange unit 20a is arranged below the front side, an indoor heat exchange unit 20b is arranged above it, an indoor heat exchange unit 20c is arranged at the top, and an indoor heat exchange unit 20d is arranged behind it. The indoor heat exchanger 20 is arranged in a substantially inverted U shape with these indoor heat exchange parts 20a to 20d. Therefore, the dimension in the height direction of the indoor heat exchanger 20 can be suppressed without reducing the effective area of the indoor heat exchanger 20 .

Below the indoor heat exchange part 20a, drain pans 31a are respectively installed on the bottom front of the indoor unit main body 26, and below the indoor heat exchange part 20d, a drain pan 31b is provided to retain the drain dripped from the indoor heat exchanger 20, The water is drained outdoors through a drain hose 37 described later.

As shown in Figure 4, the top plate of indoor heat exchanger 20 is provided with the suction grille 24b that air inlet 23b is housed respectively, and the suction grille 24a that air inlet 23a is housed in the front is provided with, on suction grille 24a, Between 24b and the indoor heat exchanger 20, there is a filter 32 for filtering the indoor air inhaled by the air inlets 23a, 23b. The guide rail not shown in the figure is inserted from the front and installed at the windward position of the indoor heat exchanger 20 .

A cavity is formed inside the indoor heat exchanger 20 constituting an inverted U shape, and a vent 33 is provided as shown in FIG. 3 . Therefore, the indoor ventilation fan 34 can be confirmed inside the vent 33 .

As shown in Figure 4, the indoor air sucked in from the air inlets 23a, 23b is filtered by the filter 32, and after heat exchange in the indoor heat exchanger 20, it enters the fan casing 28 through the vent 33, and is blown from the air by the indoor fan 34. The exhaust port 25 discharges to the indoor space.

As shown in FIG. 4 , a heat exchange unit 44 on which the indoor heat exchanger 20 is mounted is provided at the center of the indoor unit main body 26 , and drain pans 31 a and 31 b are mounted below the indoor heat exchanger 20 .

In front of and above the filter 32 equipped on the windward side of the indoor heat exchanger 20, the suction grilles 24a, 24b are installed as described above, and a plurality of hook openings are provided at the front end of the suction grill 24b. 42. A plurality of hook portions 43 are provided on the upper end of the suction grille 24a, the hook openings 42 and the hook portions 43 are hooked together, and the suction grilles 24a and 24b are connected together.

At one end of the heat exchange part 44 of the indoor unit main body 26, a wheel-shaped display part with a vent 33 in the center is installed with a corner part 30. In front of the corner part 30, a display wall-mounted air conditioner The display unit 29 for the operating status of the device 100 and the like.

The two side ends of the heat exchange part 44 of the indoor unit main body 26 are equipped with walls 39 a that expand into an arc shape rearward, and the blower motor installation angle part 39 for installing the indoor blower motor 40 is integrated with the indoor unit main body 26. Shaping settings.

The indoor blower motor 40 is installed in the center of the above-mentioned enlarged arc-shaped wall 39a of the blower motor installation corner part 39, and faces the side of the heat exchange part 44, and the indoor blower motor 40 is installed on the drive shaft of the indoor blower motor 40. Send fan 34.

And at the central part of the surface facing the other side of the blower motor mounting angle member 39, a drive mechanism 41 made of a synchronous motor or the like is installed, and by this drive mechanism 41, the indoor blower fan 34 and the indoor blower motor 40 are accommodated. , and install the fan casing 28 with the exhaust port 25. The fan case 28 is rotatable within a range of approximately 180 degrees from above to below the front side of the wall-mounted indoor unit 2 by the driving mechanism 41 .

In this way, since the air inlets 23a, 23b are provided at the central portion of the wall-mounted indoor unit 2 having the indoor heat exchanger 20, the heat exchange portion having the indoor heat exchanger 20 is disposed inside the air inlets 23a, 23b. 44, the air blowing part 63 with the indoor blowing fan 34 and the indoor blowing motor 40 is arranged on its side position, so that the existing technology can be accommodated under the indoor heat exchanger 20 in the wall-mounted indoor unit 2. The space of the indoor blower 21 moves toward the position of the side end of the wall-mounted indoor unit 2, so that the height of the wall-mounted indoor unit 2 can be suppressed.

Since the fan casing 28 for accommodating the indoor blower fan 34 and the indoor blower motor 40 is installed on the main body of the indoor unit through the drive mechanism 41, the range of blowing air in the upward and downward directions is enlarged. Since there are no air inlets 23a, 23b above the air outlets 25, even if the air outlets 25 face upward, the room air heated and discharged by each air outlet 25 is not drawn from the air inlets 23a or 23b. The air port 23b sucks in the indoor unit 2 again, and the air short circuit does not occur in the wall-mounted indoor unit 2 .

In this embodiment, the indoor blower fan 34 and the indoor blower motor 40 are installed in the blower parts 63 installed on both sides of the wall-mounted indoor unit 2, and the respective blower parts 63 are described as blower components. But not limited to this. If the indoor blower motor 40 is installed in any one blower part 63, the driving shaft of the indoor blower motor 40 accommodated in the one blower part 63 extends to the other blower part 63, as a driving A component of the other indoor blower fan 34 may also be used.

In this embodiment, the structure in which the air blower 63 is attached to both sides of the wall-mounted indoor unit 2 has been described, but a structure in which it is attached to either side is also possible.

According to the above description, since the heat exchanging part of the indoor heat exchanger is provided in the indoor unit, and the heat exchanging part is arranged to the side of the heat exchanging part, the indoor air that is heat-exchanged in the indoor heat exchanger is exhausted. The wind part can restrain the height of the wall-mounted indoor unit. In addition, since the blower unit is attached to the side of the heat exchange unit by the driving mechanism, the range of the airflow direction in the upward and downward directions can be enlarged.

Claims (1)

1, a kind of wall-hanging air conditioning apparatus, the top that it is installed in indoor wall is characterized in that, comprising:

Heat exchange department, it is housed in inside to indoor heat converter when having the air entry that sucks room air;

A plurality of air supplying part, it has: fan hub, it is arranged on to discharge and utilizes indoor heat converter to carry out the exhaust outlet front of the room air of heat exchange; Indoor blowing fan, it is contained in this fan hub; Indoor air supply motor, it drives this indoor blowing fan; Driving mechanism, it makes the exhaust outlet of fan hub rotate at above-below direction,

Described heat exchange department and a plurality of air supplying part are set up in parallel at the mutual horizontally-arranged of left and right directions and constitute the indoor unit of lalongate,

Described indoor heat exchange department is separated to form a plurality of heat exchange departments, and these a plurality of heat exchange departments U font of being set to roughly stand upside down,

Be configured to this U font indoor heat converter about side locations described air supplying part is set, each autorotation of the air supplying part about these respectively.

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