JPH11351660A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner in which the loss of air supply is lowered to realize a more comfortable air conditioning by providing a heat exchanger with a thin main body capable of effectively performing a heat exchanging and supplying air sucked and heat exchanged from a suction grill provided in the circular part of the front surface of the main body from an outlet port provided in a decorative cover on a lower surface. SOLUTION: A suction grill 5a provided with a filter inside is provided in the front surface of a main body 1 whose plane configuration is formed in a substantially quarter circular sector shaped base which comes closely to or comes into contact with the ceiling surface of a living room and is attached closely to the corner of wall surfaces in two directions. An outlet port 2 is provided in the decorative cover 5 of a lower surface. An electrical part 9 is provided in the rear surface side of the outlet port. In an air passage for connecting the suction grill to the outlet port, heat exchangers 6 facing the suction grill and having drain pans 7 in lower parts and an air sipply fan 3 having a fan motor 4 for supplying air sucked from the suction grill and performing a heating exchanging in the heat exchangers to the outlet port are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner to be installed and installed at a corner of a wall, and more particularly, to a heat exchanger capable of effectively exchanging heat by reducing the thickness of a main body.
In order to achieve more comfortable air conditioning by reducing the ventilation loss by sucking the heat exchanged air from the suction grill provided in the arc part on the front of the main unit and blowing it out from the outlet provided in the decorative cover on the bottom. Related to the structure.

[0002]

2. Description of the Related Art A conventional air conditioner of the type which is installed and installed at a corner of a wall in a living room is disclosed in, for example, Japanese Patent Application Laid-Open No. 9-1.
There was a case as disclosed in Japanese Patent No. 66353. That is, as shown in FIGS. 4A and 4B,
An air conditioner main body 1 having a suction grille 5a in a decorative cover 5 on a lower surface and a fan-shaped trapezoidal shape having a quadrant arc having an outlet 2 in an arc portion is provided on a ceiling surface in a living room and / or It is installed close to each corner of the wall in two directions,
Sucked from the suction grill 5a as shown by an arrow a,
The air that has been heat-exchanged by the heat exchanger 6 which is provided with a dew receiving tray 7 at the lower part and is bent in a substantially L-shape is sent out from the outlet 2 by the blower fan 3 as shown by an arrow b. It is described that the interior of the living room is improved and the temperature distribution in the living room is improved to improve the comfort.

However, the heat exchanger 6 bent substantially in an L-shape makes it difficult to make the main body 1 thinner, and the air flow blown out from the air outlet 2 is sent out in a substantially horizontal direction. Particularly, when warm air is deflected downward by the wind direction changing plate and sent out from the outlet 2 during the heating operation, part of the warm air is partially absorbed by the suction grill 5a.
The so-called short circuit phenomenon that is sucked in from the air, or the deflecting of the warm air downwards, causes a loss of air blowing, making it impossible to efficiently reach the warm air downward. And it is difficult to improve comfort.

Therefore, in order to improve the temperature distribution in the living room and realize more comfortable air conditioning, the suction grill 5a is used.
Is provided in an arc portion on the front surface of the main body, and the blowout port 2 is provided on the decorative cover 5 on the lower surface of the main body to prevent the air blowing loss, and the heat exchanger 6 is reduced in thickness of the main body 1. There has been a demand for an air conditioner having a configuration capable of performing heat exchange more effectively.

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention has a heat exchanger capable of effectively exchanging heat by reducing the thickness of a main body, and has a suction section provided in an arc portion on the front surface of the main body. An object of the present invention is to provide an air conditioner that sucks air from a grill and exchanges heat-exchanged air from an outlet provided in a decorative cover on a lower surface, thereby reducing air loss and achieving more comfortable air conditioning. And

[0006]

According to the present invention, in order to solve the above-mentioned problems, a planar shape is formed into a substantially fan-shaped trapezoidal shape of a quarter-arc, which is close to or close to a ceiling surface in a living room.
A suction grille with a filter inside is provided on the front of the main body attached closely to the corners of the two-way wall, an outlet is provided on the decorative cover on the lower surface, and an electrical component is provided on the back side of the outlet. An air passage connecting the suction grill and the air outlet, a heat exchanger provided with a dew tray at a lower portion facing the suction grill, and an air sucked from the suction grill and heat-exchanged by the heat exchanger. And a blower that sends the air to the outlet.

Further, the heat exchanger is formed so as to be curved in a substantially arc shape along the arc portion of the suction grill.

Further, the heat exchanger and the dew tray are
It is configured to be divided into two rows in front and back and arranged alternately up and down.

In addition, a partition is provided between the two heat exchangers divided in two rows to vertically branch the suction air passage.

Further, the partition is formed integrally with the dew tray.

Further, the makeup cover is provided with an opening for wiring work corresponding to the electrical component, and a lid which can be opened and closed in the opening.

Further, the two heat exchangers divided into two rows are
It is configured to have substantially the same capacity or substantially the same shape.

In addition, the suction grill is rotatably supported by upper ends of the suction grill or a support shaft provided at a position rearward of a line connecting both ends of the suction grill, and the suction grill is moved upward. The filter is configured to rotate so as to insert and remove the filter from below.

[0014] Further, the filter is configured so as to face each of the two heat exchangers divided into two and divided into two rows.

Further, the filter is arranged along the inside of the suction grill.

Further, the air outlet is provided with a group of left and right wind direction plates for sending out the blown air substantially radially in the blowing direction.

Further, a gutter is provided between the two dew trays which are divided into two rows at the front and rear and arranged alternately at the top and bottom.

Further, the gutter is formed integrally with the dew trays.

Further, the upper and lower suction air passages branched by the partition walls have a cross-sectional shape having substantially the same size as a ventilation area passing through both heat exchangers.

Further, a housing for housing a connection pipe connected to the outdoor unit is provided at a rear portion of the electrical unit.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below as examples based on the attached drawings. FIG. 1 and FIG.
(A) and FIG. 2 (B) and FIGS. 3 (A) to 3 (C)
In the above, 1 is an air conditioner whose planar shape is formed in a substantially fan-shaped trapezoidal shape of a quarter arc, and which is close to or close to a ceiling surface in a living room and is closely mounted to a corner of a wall in two directions. The main body 2 is an air outlet provided in a decorative cover 5 on the lower surface of the main body 1, and 5a is a suction grill provided inside the arc of the main body 1 with a filter 5c inside. In the air passage connecting the outlet 2, a heat exchanger 6 having a dew tray 7 at the lower part facing the suction grill 5 a is provided.
And the air that has been sucked in from the suction grille 5a as indicated by an arrow a and exchanged heat with the heat exchanger 6 is supplied to the outlet 2 as indicated by an arrow b.
And a blower comprising a blower fan 3 having a fan motor 4 for sending air to the air outlet, and an electrical unit 9 is provided in a space on the back side of the outlet 2.
The suction grille 5a provided in an arc portion on the front surface of the main body 1.
The air that has been heat-exchanged by suction from the air outlet is blown out from the air outlet 2 provided in the decorative cover 5 on the lower surface, and the substantially L-shaped heat exchanger 6 as in the prior art described above is used. The main body 1 can be made thinner as compared with the case in which the heat is exchanged, and the temperature distribution in the living room can be improved by blowing out the heat-exchanged air from the air outlet 2 provided in the decorative cover 5 on the lower surface. It is a structure that can realize the perfect air conditioning.

Further, as shown in FIG. 2B, the heat exchanger 6 is formed in a substantially arc shape along the arc portion of the suction grill 5a, so that the heat exchanger 6 The heat exchanger 6 can be more effectively exchanged by increasing its size to increase its capacity, so that the heat exchanger 6 can be arranged neatly along the arc of the main body 1. .

The heat exchanger 6 and the dew tray 7
As shown in FIG. 2 (A), the heat exchanger 6 is divided into two rows at the front and rear and arranged alternately up and down to further increase the capacity of the heat exchanger 6 and further reduce noise. It has a configuration that can be measured.

As shown in FIG. 2 (A), a partition 8 is provided between the two heat exchangers 6 which are divided into two rows to vertically divide the suction air passage. The configuration is such that the suction airflow sucked from the heat exchanger 6 can pass through both heat exchangers 6 more smoothly.

Further, since the partition 8 is formed integrally with the dew tray 7 as shown in FIG. 2 (A), the dimensions and shape can be accurately finished and the cost is advantageous. ing.

As shown in FIG. 2A, the decorative cover 5 has an opening for wiring work corresponding to the electrical equipment section 9 and a lid 5b which is openably and closably attached to the opening. Is provided, the lid 5b is rotated to open the opening,
The wiring work can be performed from below.

The two heat exchangers 6 divided into two rows
By making them have substantially the same capacity or substantially the same shape, it is possible to stabilize the path balance of the refrigeration cycle including the heat exchangers 6 and the like,
The two heat exchangers 6 are standardized so that they can be processed rationally.

As shown in FIG. 2A, the suction grille 5a is rotated by an upper end of the suction grille 5a or a support shaft 5b provided at a position rearward of a line connecting the upper ends. The suction grille 5a is rotatably supported, and the suction grille 5a is turned upward to insert and remove the filter 5c from below, whereby the suction grille 5a can be easily and accurately moved. The structure is such that the filter 5c can be easily rotated from below to be easily inserted and removed from below.

FIG. 3 shows an example of the filter 5c.
As shown in (A), since the two heat exchangers 6 are divided into two rows and are opposed to each other, the dust contained in the suction air flow passes through the two heat exchangers 6. The structure is such that it can be effectively removed so that it does not get stuck.

Further, as shown in FIG. 3B, as another example, the filter 5c is arranged along the inside of the suction grill 5a, so that the filter 5c is included in the suction air flow by one filter 5c. The dust is effectively removed so as not to pass through the heat exchangers 6.

As shown in FIG. 2A, the air outlet 2 is provided with a group of left and right wind direction plates 2a for sending the blown air in a substantially radial direction in the blowing direction, so that the left and right direction of the living room can be improved. Is further improved so that more comfortable air conditioning can be realized.

Further, a gutter 7a as shown in FIG. 3 (C) is provided between the two dew trays 7 which are divided into two rows in the front and rear and are arranged alternately in the vertical direction. The condensed water dropped from the vessel 6 can be smoothly guided from the upper dew tray 7 to the lower dew tray 7 and collectively discharged from a drainage passage (not shown) connected to the lower dew tray 7. The ovule is designed to be depressed.

Further, since the gutter 7a is formed integrally with the dew receiving trays 7 by, for example, a synthetic resin, the dimensions and shape can be accurately finished and the cost is advantageous.

The upper and lower suction air passages branched by the partition walls 8 are each formed in a cross-sectional shape having substantially the same size as the ventilation area passing through the heat exchangers 6, so that the performance of the blower can be properly adjusted. , Which can contribute to the miniaturization of the main body.

Further, a housing for housing a connection pipe (not shown) connected to an outdoor unit (not shown) is provided at the rear of the electrical unit 9.
The provision of 10 increases the degree of freedom in pipe connection and pipe connection, thereby improving the workability of installation of the main body 1.

With the above structure, as shown in FIG. 1, FIG. 2 (A) and FIG. 2 (B), and FIG. 3 (A) to FIG. The air that has been heat-exchanged by being sucked in from the suction grille 5a is blown out from the blowout port 2 provided in the decorative cover 5 on the lower surface. The thickness of the main body 1 can be reduced as compared with the use of the heat exchanger 6 in a shape, and the temperature distribution in the living room can be achieved by blowing out the heat-exchanged air from the outlet 2 provided in the decorative cover 5. And an air conditioner that can realize more comfortable air conditioning.

[0037]

As described above, according to the present invention, there is provided a heat exchanger capable of effectively exchanging heat by reducing the thickness of the main body, and sucks air exchanged by suction from a suction grill provided in an arc portion. An air conditioner in which air is blown out from an air outlet provided in a lower decorative cover to reduce air blowing loss and realize more comfortable air conditioning.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an installed state of an air conditioner according to the present invention.

FIGS. 2A and 2B are explanatory views of an air conditioner according to the present invention, in which FIG. 2A is a cross-sectional view and FIG.

FIG. 3 is an explanatory view of a main part of an air conditioner according to the present invention;
(A) is a sectional view showing an example of a state in which a filter is mounted, (B) is a sectional view showing another example, and (C) is a perspective view showing a gutter integrally formed with upper and lower dew pans. It is.

FIG. 4 is an explanatory view of an air conditioner according to a conventional example, in which (A) is a perspective view showing an installed state, and (B) is a cross-sectional view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner main body 2 Outlet 2a Left and right wind direction plate group 3 Blower fan 4 Fan motor 5 Makeup cover 5a Suction grill 5b Lid 5c Filter 6 Heat exchanger 7 Dew tray 7a Gutter 8 Partition wall 9 Electrical part 10 Housing part

Claims (15)

[Claims] 1. A front surface of a main body which is formed in a substantially fan-shaped trapezoidal shape having a plane arc shape of a quarter arc, and which is close to or close to a ceiling surface in a living room and which is closely mounted to a corner of a bidirectional wall surface. Provide a suction grill with a filter inside,
An outlet is provided in the decorative cover on the lower surface, an electrical unit is provided on the back side of the outlet, and an air passage connecting the suction grill and the outlet is provided with a dew tray at a lower portion facing the suction grill. An air conditioner comprising: a heat exchanger; and a blower that sucks air from the suction grille and exchanges heat exchanged by the heat exchanger to the outlet. 2. The air conditioner according to claim 1, wherein the heat exchanger is formed in a substantially arc shape along the arc portion of the suction grill. 3. The air conditioner according to claim 1, wherein the heat exchanger and the dew tray are divided into two rows in front and rear and arranged alternately up and down. 4. Between the two heat exchangers divided into two rows,
The air conditioner according to claim 1 or 3, further comprising a partition that vertically branches the suction air passage. 5. The air conditioner according to claim 3, wherein the partition wall is formed integrally with the dew tray. 6. The wiring cover according to claim 1, wherein the decorative cover is provided with an opening for wiring work corresponding to the electrical unit, and a lid that is openably and closably mounted in the opening. Air conditioner. 7. The air conditioner according to claim 1, wherein the two heat exchangers divided into two rows have substantially the same capacity or substantially the same shape. 8. The suction grill is rotatably supported by an upper end of the suction grill or a support shaft portion provided rearward of a line connecting both ends of the suction grill, and the suction grill is moved upward. 2. The air conditioner according to claim 1, wherein the filter is rotated to insert and remove the filter from below. 9. The air conditioner according to claim 1, wherein the filter is opposed to each of the heat exchangers divided into two and divided into two rows. . 10. The filter according to claim 1, wherein the filter is arranged along the inside of the suction grill.
The air conditioner according to item 1. 11. The air conditioner according to claim 1, wherein the air outlet is provided with a group of left and right wind direction plates for sending the blown air in a substantially radial direction in the blowout direction. 12. The air conditioner according to claim 3, wherein a gutter is provided between the two dew trays, which are divided into two rows in front and rear and are arranged alternately up and down. 13. The air conditioner according to claim 12, wherein the gutter is formed integrally with the dew trays. 14. The air intake system according to claim 4, wherein the upper and lower intake air passages branched by the partition have cross-sectional shapes each having substantially the same size as a ventilation area passing through both heat exchangers. Air conditioner. 15. The air conditioner according to claim 1, wherein a housing for housing a connection pipe connected to the outdoor unit is provided at a rear portion of the electrical unit.