JP2000337652A - Air-conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the indoor unit of an air-conditioner to form a body in a compact manner, improve air volume performance and performance of a heat-exchanger, and reduce the generation noise. SOLUTION: A cross flow fan 6 is approximately horizontally situated at the internal part of a casing 1 provided at a lower part with a suction port part 4 and at a front part or a front lower part with an outlet part 5. A main heat-exchanger 7 arranged approximately in a V-shape on the windward side of the cross flow fan 6 so as to support the cross flow fan, a sub heat-exchanger 10 arranged between the main heat-exchanger 7 and the cross flow fan 6, and a water receiving pan 11 is situated below the cross flow fan 6 and under the heat-exchanger 7. This constitution reduces the height of the casing, in the space of which the heat-exchanger 7 is effectively situated. Further, wind velocity distribution in the inflow area of the dross flow fan 6 is approximately uniformized. Further, an indoor unit is formed in a compact manner and air volume performance is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin type air conditioner provided with a cross flow blower type blower circuit.

[0002]

2. Description of the Related Art In recent years, more and more air conditioners used indoors have been used for the purpose of improving the air conditioning performance and miniaturizing the equipment.

Conventionally, an air conditioner using this type of cross-flow blower type blower circuit is disclosed in, for example, Japanese Patent Laid-Open No. 9-166.
As described in Japanese Patent Publication No. 353, the configuration is as shown in FIG. FIG. 13A shows a case where the air conditioner is viewed from below, and FIG. 13B is a vertical cross-sectional view of the air conditioner.

In FIG. 1, an indoor unit main body 101 is shown.
Is a ceiling (not shown) in the living room and a two-way wall 102a,
102b, a suction grill 103 serving as a suction port for indoor air is provided below the indoor unit main body, and a blow-off port 104 is provided at an arc surface portion on the front side. It has the shape of a circular sector trapezoid.

[0005] A cross flow fan (cross-flow blower) 105 and an inverted L-shaped heat exchanger 106 on the windward side are provided in the indoor unit main body 101, and a water receiving tray 107 is provided below the heat exchanger 106. Is provided. Then, when the cross flow fan 105 rotates, a blowing action in the direction of the arrow shown in FIG. 15 occurs, whereby the room air is sucked in from the lower suction grill 103 and heat exchanged by the heat exchanger 106.
It is blown out from the outlet 104. Reference numeral 109 denotes an internal connection pipe, and 110 denotes a wind direction changing device.

[0006]

However, in the above conventional configuration, the cross flow fan 105 and the heat exchanger 1
Since the configuration and arrangement of the outlet 06 and the outlet 104 are not appropriate, the expected air volume performance cannot be obtained for the size of the indoor unit main body 101. Further, the heat exchanger 106 is hardly dripped with condensed water attached to the heat exchanger in the substantially horizontal portion,
For this reason, there is a problem that the airflow resistance in the inflow area of the cross flow fan 105 is not uniform and noise is increased, in addition to a problem that the ventilation resistance is remarkably increased to deteriorate the air volume performance.

An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide an air conditioner in which a main body is made compact, an air volume performance is improved, and noise is reduced.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention has a rotary shaft in a substantially horizontal direction inside a housing having a suction port at a lower portion and a blowout portion at a front portion or a lower portion at the front portion. A stabilizer provided with a cross flow fan, a rising edge having a gradient from the blow-out opening portion, approaching and crossing the cross flow fan,
A main heat exchanger which is provided on an upper side of the cross flow fan and has a stabilizer and a rear guider forming a ventilation path, and which is arranged in a substantially V shape on the windward side of the cross flow fan so as to receive the cross flow fan; And a sub-heat exchanger disposed between the main heat exchanger and the cross-flow fan, and a water pan below the cross-flow fan and below the main heat exchanger. In this case, the heat exchanger can be effectively arranged in the space of the housing in which the height is reduced, and the wind speed distribution in the inflow area of the cross flow fan can be made substantially uniform. Therefore, the indoor unit can be made compact and the air volume performance can be improved.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 provides a cross flow fan having a rotary shaft in a substantially horizontal direction inside a housing having a suction port at a lower portion and a blowout portion at a front portion or a lower portion of the front portion. And a stabilizer arranged so that the rising ridge portion has a gradient from the blow-out opening portion and approaches the cross flow fan, and is provided on the upper side of the cross flow fan, and the stabilizer and the ventilation passage are provided. A main heat exchanger arranged in a substantially V-shape on the windward side of the cross flow fan so as to receive the cross flow fan, and a sub heat exchanger arranged between the main heat exchanger and the cross flow fan. Heat exchanger,
By providing a water receiving tray below the cross flow fan and below the heat exchanger, the heat exchanger can be effectively arranged in the space of the reduced-height housing, and the cross flow The wind speed distribution in the fan inflow area can be made substantially uniform. Therefore, the indoor unit can be made compact and the air volume performance can be improved.

According to a second aspect of the present invention, the shape of the sub heat exchanger is made different from that of the main heat exchanger.
Sub heat exchangers are placed in places where the wind speed distribution is not uniform to achieve uniformity, simplify the heat exchanger layout in the main body configuration, further reduce the size of the main body, expand the heat exchanger capacity, and improve the ventilation performance. be able to.

According to a third aspect of the present invention, the fin width of the sub heat exchanger is made smaller than the fin width of the main heat exchanger, thereby reducing the ventilation resistance of the sub heat exchanger and the distance between the fan and the heat exchanger. And improve the air blowing performance by installing the sub heat exchanger.

According to the fourth aspect of the present invention, the heat exchanger capacity is increased with the same heat exchanger volume by making the step pitch of the copper tubes of the sub heat exchanger smaller than the step pitch of the main heat exchanger. In addition, the flow path from the staggered copper tube pattern of the main heat exchanger can be rectified by the sub heat exchanger, so that the air blowing performance can be improved.

According to a fifth aspect of the present invention, the ventilation resistance of the sub heat exchanger is reduced by making the fin pitch of the sub heat exchanger larger than the fin pitch of the main heat exchanger. The blowing performance can be improved.

According to a sixth aspect of the present invention, the fins of the sub heat exchanger and the main heat exchanger are each formed in a slit shape, and the slit height of the fin of the sub heat exchanger is set to the slit height of the fin of the main heat exchanger. By lowering it,
The ventilation resistance of the sub heat exchanger can be reduced, and the ventilation performance can be improved by mounting the sub heat exchanger.

According to a seventh aspect of the present invention, the fin shapes of the sub heat exchanger and the main heat exchanger are each slit shapes, and the slit shapes of the sub heat exchanger and the main heat exchanger are different shapes. In this way, the flow of air from the main heat exchanger to the cross flow fan through the sub heat exchanger can be rectified, the ventilation resistance of the sub heat exchanger is reduced, and the ventilation performance is improved by installing the sub heat exchanger. Can be.

According to the present invention, the length of the sub heat exchanger in the longitudinal direction is made smaller than the size of the main heat exchanger, so that the hairpin of the sub heat exchanger is provided in the blower circuit downstream of the main heat exchanger. The copper tube of the U-bend can be arranged, and the heat exchange capability by heat radiation and heat absorption from the hairpin and the U-bend can be increased.

According to a ninth aspect of the present invention, the hairpin, the U-bend, the hairpin, and the U-bend are arranged by arranging the U-bend, the hairpin, and the lead pipe of the heat exchanger in a blower circuit downstream of the main heat exchanger. Further, the heat exchange capacity by heat radiation and heat absorption from the lead pipe connected to the heat exchanger can be increased.

According to a tenth aspect of the present invention, by providing an inlet pipe to the heat exchanger at the time of condensation in the sub heat exchanger, a refrigerant having a high temperature enters the sub heat exchanger at the time of heating, and the hairpin and the U-bend are provided. The heat exchange efficiency from the sub heat exchanger including the above and the lead pipe connected to the heat exchanger can also be improved.

According to an eleventh aspect of the present invention, the cross-sectional shape of the casing is substantially fan-shaped or triangular so that the casing has two side faces that can be attached to two wall surfaces of the air-conditioned space. Ventilation at the corner of the interior wall (corner)
Part can be blown out toward the center of the room.

According to a twelfth aspect of the present invention, a heat exchange passage is provided between the housing and the side of the collar of the water receiving tray, by providing a side suction air passage for guiding air from the suction port to the heat exchanger. The suction air path of the vessel becomes large, and the air volume performance and heat exchange efficiency can be improved.

According to a thirteenth aspect of the present invention, the lower ends of the heat exchangers arranged in a substantially V shape are horizontally separated from each other,
In the meantime, the lower end of the sub heat exchanger is arranged so as to overlap the lower end of the main heat exchanger, so that the ventilation area can be improved by increasing the suction area from the lower part of the heat exchanger and the size of the housing in the height direction can be reduced. , And can further reduce the height.

According to a fourteenth aspect of the present invention, since the heat exchangers arranged in a substantially V shape are each inclined at an angle of 40 ° or more from the horizontal direction, the condensed water adhering to the heat exchanger is smoothly moved downward. Can be flushed.

According to a fifteenth aspect of the present invention, another heat exchanger is disposed at the uppermost portion of the heat exchanger arranged in a substantially V-shape so that the upper end portion is inclined in the vertical direction or the cross flow fan. Thereby, the depth of the housing can be made more compact.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1) FIG. 1 is a perspective view when an air conditioner body 1 according to an embodiment of the present invention is installed in a living room. FIG. 2 is a cross-sectional view of the air conditioner.

In FIGS. 1 and 2, reference numeral 1 denotes an air conditioner main body (hereinafter referred to as a housing) installed on a wall 2. The housing 1 has a suction opening 4 on a lower surface thereof through a suction grill 3 and a lower front portion. And a cross flow fan 6 having a rotation axis in the horizontal direction, a main heat exchanger 7 on the windward side, and a stabilizer 8 on the leeward side. The stabilizer 8 rises with a gradient from the outlet 5 toward the cross flow fan 6 so that its peak 8 a approaches and faces the cross flow fan 6. In addition, a rear guide 9 is provided on the upper side of the cross flow fan 6 so as to extend to the outlet 5, and a ventilation circuit (diffuser) is provided by the stabilizer 8 and the rear guide 9.
Is formed.

The main heat exchanger 7 is divided into first, second, and third heat exchangers 7a, 7b, and 7c, and is installed so as to surround the cross flow fan 6. The main heat exchangers 7a and 7b are arranged in a substantially V shape below the cross flow fan 6, and the upper end of the first heat exchanger 7a is adjacent to the peak 8a of the stabilizer 8.

The third heat exchanger 7c is disposed so as to stand upright on the upper end of the second heat exchanger 7b. Reference numeral 10 denotes a sub heat exchanger provided downstream of the main heat exchanger 7 and between the cross flow fan 6 and the main heat exchanger 7 so as to be adjacent to the main heat exchanger 7. Reference numeral 11 denotes a water receiving tray for receiving condensed water from the main heat exchanger 7 and the sub heat exchanger 10;
Is a filter for purifying dust and dirty air in the air flowing into the heat exchanger 7, and 13 is a gutter for receiving dew condensation water from the first and second main heat exchangers 7.

In the above configuration, the cross flow fan 6
When the is rotated in the direction of the arrow shown in FIG. 2, the air flowing from the suction grill 3 on the lower surface of the housing is sucked into the main heat exchanger 7 and the sub heat exchanger 10 from the suction port 4 through the outer periphery of the water receiving tray 11, The heat is exchanged, and the air is blown obliquely downward from the blow-out port 5. At this time, the main heat exchanger 7,
The condensed water generated in the sub heat exchanger 10 flows down to the water receiving tray 11 from the first and second main heat exchangers 7a and 7b which are inclined in a substantially V shape. Therefore, the dripping water from the main heat exchanger 7 can be reliably received by the water receiving tray 11, and the suction air is easily sucked into the main heat exchanger 7 from the entire outer periphery of the water receiving tray 11, thereby reducing the suction resistance. At the same time, it is possible to improve the wind speed distribution of the main heat exchanger 7 by the sub heat exchanger 10, increase the heat exchanger capacity, and the like.

The main heat exchanger 7 is formed in a substantially V shape so as to surround the cross flow fan 6, and the sub heat exchanger 10 is disposed between the main heat exchanger 7 and the cross flow fan 6.
And by providing the suction port 3 below,
The housing 1 is thin and compact.

Further, the shape of the sub heat exchanger 10 is made different from that of the main heat exchanger 7, and the sub heat exchanger 10 is arranged in a portion where the wind speed distribution is not uniform (the wind speed is high), so that the In addition to the uniformity, the layout of the heat exchanger on the main body is simplified, the size is further reduced, the capacity of the heat exchanger is expanded, and the blowing performance is improved.

Further, the fin width L of the sub heat exchanger 10
1 is smaller than the fin width L2 of the main heat exchanger 7 (L1
By performing <L2), the ventilation resistance of the sub heat exchanger 10 can be reduced, and the distance L3 between the cross flow fan 6 and the sub heat exchanger 10 can be increased, thereby improving the blowing performance.

Further, by setting the copper tube stage pitch L4 of the sub heat exchanger 10 to be smaller than the copper tube stage pitch L5 of the main heat exchanger 7 (L4 <L5), the heat exchanger can have the same heat exchanger volume. The capacity can be increased, and the flow path from the staggered copper tube pattern of the main heat exchanger 7 can be rectified by the sub heat exchanger 10, thereby improving the air blowing performance.

FIG. 3 is an external perspective view of a heat exchanger block of the air conditioner 1 of the present invention. In the figure, 7d is
The fins 10e of the main heat exchanger 7 are the sub heat exchangers 10
P1 is the fin pitch of the sub heat exchanger 10, and P2 is the fin pitch of the main heat exchanger 7. By making the fin pitch P1 of the sub heat exchanger 10 larger than the fin pitch P2 of the main heat exchanger 7 (P1> P2), the ventilation resistance of the sub heat exchanger 10 is reduced, and the sub heat exchanger 10 is mounted. The blowing performance has been improved.

Further, the dimension L6 of the sub heat exchanger 10 in the longitudinal direction is smaller than the dimension L7 of the main heat exchanger 7 (L6).
<L7), the copper tubes of the hairpins 10a and the U-bends 10b of the sub heat exchanger 10 can be arranged in the downstream blower circuit of the main heat exchanger 7, and the heat radiation and heat absorption from the hairpins 10a and the U-bends 10b The heat exchange capacity can be increased and the heat exchanger efficiency can be increased.

FIG. 4 shows the fin shapes of the main heat exchanger 7 and the sub heat exchanger 10. In the figure, 7d is a fin of the main heat exchanger 7, and 7e is a plurality of slits provided in the fin 7d. It is. 10e is a fin of the sub heat exchanger 10, and 10f is a slit provided in the fin 10e. The slit height t2 of the sub heat exchanger 10 is lower than the slit height t1 of the main heat exchanger 7 (t2 <t1). 2), the ventilation resistance of the sub heat exchanger 10 is reduced, and the blowing performance of the sub heat exchanger 10 is improved.

Further, the fins 7d of the main heat exchanger 7
The slit shape 7e of the sub heat exchanger 10
By making the shape different from the slit shape 10f, the flow of air from the main heat exchanger 7 to the cross flow fan 6 through the sub heat exchanger 10 can be rectified, and the ventilation resistance of the sub heat exchanger 10 can be reduced. The sub-heat exchanger is installed to improve the ventilation performance.

FIG. 5 is a cross-sectional view of FIG. 2 as viewed from the opposite side (U-bend side).
By disposing the hairpins 10a, U-bends 10b, and the lead pipes 10c, 10d to the heat exchanger 10 in the blower circuit, heat exchange ability by heat radiation and heat absorption from the hairpins 10a, U-bends 10b, and the lead pipes 10c, 10d. The heat exchanger efficiency can be increased by increasing the amount of heat.

Further, by providing the inlet pipe 10d for the refrigerant to the heat exchangers 7 and 10 at the time of the condenser in the sub heat exchanger 10, the refrigerant having a high temperature at the time of heating can be supplied to the sub heat exchanger 1.
At 0, the heat exchanger efficiency from the hairpin 10a, the U-bend 10b, and the lead pipe 10d of the sub heat exchanger 10 can be further improved.

(Embodiment 2) FIGS. 6 (a) and 6 (b) are an external perspective view and a bottom view of a case where a housing according to Embodiment 2 of the present invention is installed on a wall. FIG. 2 is a cross-sectional view of the first embodiment.
Is the same as

The difference from the first embodiment lies in that the shape of the housing 1 is substantially a fan-shaped base (substantially a 1/4 column), and the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted. I do. That is, as shown in FIGS. 6 (a) and 6 (b), the casing 1 has a substantially fan-shaped planar shape so as to have two sides attached to the wall surfaces 2a and 2b of the room (air-conditioned space). It is. The stabilizer 8 and the rear guide 9 shown in FIG.
And the length of the ventilation path formed by
The length is gradually shortened from the center to the end in response to the above.

FIGS. 7 (a) and 7 (b) are an external perspective view and a bottom view of another example, in which the cross section of the lower surface (plane) is substantially an isosceles triangle. In addition, the planar outer shape may be a substantially fan shape as shown in FIGS. 8A, 8B, 8C, and 8D.

(Embodiment 3) FIG. 9 is a perspective view showing the appearance of a housing according to Embodiment 3 of the present invention installed on a wall, and FIG. 11 is a partial cross-sectional view of the housing viewed from the front (front). It is.

As shown in FIG. 10, the water receiving tray 11 has a brim (dish wall) on the edge, and the axial side flange portion 11a of the cross flow fan 6 is larger than the width of the heat exchanger 7 and upward. It is erected and forms a side suction air passage 14 that guides air from the suction port 4 to the heat exchanger 7 as shown by an arrow between the housing 1 and the flange side 11a. In addition, 15 is a guide member for forming the air path. With this configuration, the suction air can be smoothly supplied to the heat exchanger 7 also from the side of the water receiving tray 11, and the air blowing performance can be improved.

(Embodiment 4) FIG. 11 is a cross-sectional view of a housing showing Embodiment 4 of the present invention. The difference from Embodiment 1 is that the first and second heat exchangers of the main heat exchanger 7 are different from each other. Exchanger 7a,
The lower end of the sub heat exchanger 10 is arranged so that the lower end of the sub heat exchanger 10 is overlapped with the lower end of the main heat exchanger 7a.

As a result, it is possible to improve the ventilation performance by increasing the suction area from the lower part of the heat exchanger 7 and the sub heat exchanger 10, to reduce the size of the housing in the height direction, and to further reduce the height.

Further, the angles θ1 and θ2 formed by the first and second heat exchangers 7a and 7b of the main heat exchanger 7 arranged in a substantially V-shape with the horizontal direction are each set to 40 ° or more, whereby the main heat First and second heat exchanges 7a and 7b of exchanger 7
In addition, the condensed water attached to the sub heat exchanger 10 can flow smoothly downward. It is needless to say that it is best to set the angles θ1 and θ2 at 90 ° from the viewpoint of the flow of the condensed water.
The flow of condensed water is poor.

(Embodiment 5) FIG. 12 is a cross-sectional view of a housing according to Embodiment 4 of the present invention, which is different from Embodiment 1 in that an uppermost part of the second main heat exchanger 7b is provided. The third heat exchanger 7c is installed so that the vertical direction or the upper end is inclined toward the cross flow fan 6, so that the depth of the housing 1 can be made more compact.

[0049]

As is apparent from the above description, according to the first aspect of the present invention, a rotary shaft is provided in a substantially horizontal direction inside a housing having a suction port at a lower portion and a blowout portion at a front portion or a front lower portion. A stabilizer provided with a cross flow fan having a slope rising from the outlet and approaching the cross flow fan and facing the cross flow fan;
A main heat exchanger which is provided on an upper side of the cross flow fan and has a stabilizer and a rear guider forming a ventilation path, and which is arranged in a substantially V shape on the windward side of the cross flow fan so as to receive the cross flow fan; The height is reduced by providing a sub-heat exchanger disposed between the heat exchanger, the main heat exchanger and the cross flow fan, and a water tray below the cross flow fan and below the heat exchanger. The heat exchanger can be effectively arranged in the space of the housing, and the wind speed distribution in the inflow area of the cross flow fan can be made substantially uniform. Therefore, the indoor unit can be made compact and the air volume performance can be improved.

According to the second aspect of the present invention, by making the shape of the sub heat exchanger different from that of the main heat exchanger,
Sub heat exchangers are placed in places where the wind speed distribution is not uniform to achieve uniformity, simplify the heat exchanger layout in the main body configuration, further reduce the size of the main body, expand the heat exchanger capacity, and improve the ventilation performance. be able to.

According to a third aspect of the present invention, the fin width of the sub heat exchanger is made smaller than the fin width of the main heat exchanger, thereby reducing the ventilation resistance of the sub heat exchanger and the distance between the fan and the heat exchanger. And improve the air blowing performance by installing the sub heat exchanger.

According to a fourth aspect of the present invention, the step pitch of the copper tubes of the sub heat exchanger is made smaller than the step pitch of the main heat exchanger, thereby increasing the heat exchanger capacity with the same heat exchanger volume. In addition, the flow path from the staggered copper tube pattern of the main heat exchanger can be rectified by the sub heat exchanger, so that the air blowing performance can be improved.

The fifth aspect of the present invention reduces the ventilation resistance of the sub heat exchanger by making the fin pitch of the sub heat exchanger larger than the fin pitch of the main heat exchanger. The blowing performance can be improved.

According to a sixth aspect of the present invention, a sub heat exchanger is provided.
By making the fin shape of the main heat exchanger a slit shape, and making the slit height of the fin of the sub heat exchanger lower than the slit height of the fin of the main heat exchanger,
The ventilation resistance of the sub heat exchanger can be reduced, and the ventilation performance can be improved by mounting the sub heat exchanger.

According to a seventh aspect of the present invention, there is provided a sub heat exchanger,
The cross-flow fan passes from the main heat exchanger through the sub heat exchanger by making the fin shape of the main heat exchanger a slit shape and the slit shape of the sub heat exchanger and the main heat exchanger being different shapes. The flow of air to the sub-heat exchanger can be rectified, the ventilation resistance of the sub-heat exchanger can be reduced, and the ventilation performance can be improved by mounting the sub-heat exchanger.

According to the eighth aspect of the present invention, the length of the sub heat exchanger in the longitudinal direction is made smaller than the size of the main heat exchanger, whereby the hairpin of the sub heat exchanger is provided in the air blower circuit downstream of the main heat exchanger. The copper tube of the U-bend can be arranged, and the heat exchange capability by heat radiation and heat absorption from the hairpin and the U-bend can be increased.

According to a ninth aspect of the present invention, the hairpin, the U-bend, the hairpin, and the U-bend are arranged by disposing the U-bend, the hairpin, and the lead pipe of the heat exchanger in the blower circuit downstream of the main heat exchanger. Further, the heat exchange capacity by heat radiation and heat absorption from the lead pipe connected to the heat exchanger can be increased.

According to the tenth aspect of the present invention, a refrigerant having a high temperature enters the sub heat exchanger at the time of heating by providing an inlet pipe to the heat exchanger at the time of condensation in the sub heat exchanger, and the hairpin and the U-bend are provided. The heat exchange efficiency from the sub heat exchanger including the above and the lead pipe connected to the heat exchanger can also be improved.

According to an eleventh aspect of the present invention, the casing has a substantially fan-shaped or triangular cross-sectional shape so that the casing has two side surfaces which can be attached to two wall surfaces of the air-conditioned space. Ventilation at the corner of the interior wall (corner)
Part can be blown out toward the center of the room.

According to a twelfth aspect of the present invention, a heat exchange passage is provided between a casing and a side of a flange of a water receiving tray, by providing a side suction air passage for guiding air from a suction port to a heat exchanger. The suction air path of the vessel becomes large, and the air volume performance and heat exchange efficiency can be improved.

According to a thirteenth aspect of the present invention, the lower ends of the heat exchangers arranged in a substantially V-shape are horizontally separated from each other.
In the meantime, the lower end of the sub heat exchanger is arranged so as to overlap the lower end of the main heat exchanger, so that the ventilation area can be improved by increasing the suction area from the lower part of the heat exchanger and the size of the housing in the height direction can be reduced. , And can further reduce the height.

According to a fourteenth aspect of the present invention, since the heat exchangers arranged in a substantially V shape are each inclined at least 40 ° from the horizontal direction, the condensed water adhering to the heat exchanger is smoothly moved downward. Can be flushed.

According to a fifteenth aspect of the present invention, another heat exchanger is disposed at the uppermost part of the heat exchanger arranged in a substantially V-shape so that the upper part or the upper part is inclined toward the cross flow fan. Thereby, the depth of the housing can be made more compact.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a state in which an air conditioner main body (housing) showing a first embodiment of the present invention is installed on a wall.

FIG. 2 is a cross-sectional view of the housing in the embodiment.

FIG. 3 is an external perspective view of a heat exchanger block according to the embodiment.

FIG. 4 is a front view and a side view of a fin shape of the heat exchanger in the embodiment.

FIG. 5 is a cross-sectional view of the housing when viewed from the opposite side of FIG.

FIG. 6 is an external perspective view and a bottom view of the housing according to the second embodiment of the present invention installed on a wall.

FIG. 7 is an external perspective view and a bottom view of another example of the housing according to the second embodiment.

FIG. 8 is a plan external view of another example of the housing according to the second embodiment.

FIG. 9 is an external perspective view illustrating a state where the housing according to the third embodiment of the present invention is installed on a wall.

FIG. 10 is a partial cross-sectional view of a main part of the housing of the third embodiment.

FIG. 11 is a cross-sectional view of a housing according to a fourth embodiment of the present invention.

FIG. 12 is a cross-sectional view of a housing according to a fifth embodiment of the present invention.

FIG. 13 is a bottom view and a cross-sectional view of an indoor unit main body of a conventional air conditioner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner main body (housing) 4 Suction port 5 Outlet 6 Cross flow fan 7 Main heat exchanger 8 Stabilizer 9 Rear guide 10 Sub heat exchanger 11 Water tray

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (Reference) F24F 13/32 F24F 1/00 426 (72) Inventor Nobuoki Shima 1006 Kazuma, Kazuma, Kazuma, Osaka Matsushita Electric Within Sangyo Co., Ltd. (72) Inventor Koji Kurisutani 1006 Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. F-term (reference) 3L049 BC01 BD02 3L050 BA05 BE01 3L051 BE05 BG00

Claims (15)

[Claims] 1. A cross flow fan having a rotation axis in a substantially horizontal direction is provided in a housing having a suction port at a lower portion and a blow portion at a front portion or a lower portion of a front portion, and has a slope from the blow port portion. A stabilizer arranged so that the rising peak portion approaches and faces the cross flow fan,
A main heat exchanger which is provided on an upper side of the cross flow fan and has a stabilizer and a rear guider forming a ventilation path, and which is arranged in a substantially V shape on the windward side of the cross flow fan so as to receive the cross flow fan; And a sub heat exchanger disposed between the main heat exchanger and the cross flow fan, and a water tray below the cross flow fan and below the main heat exchanger. Air conditioner. 2. The air conditioner according to claim 1, wherein the shape of the sub heat exchanger is different from the shape of the main heat exchanger. 3. The air conditioner according to claim 2, wherein the fin width of the sub heat exchanger is smaller than the fin width of the main heat exchanger. 4. The air conditioner according to claim 2, wherein the step pitch of the copper tubes of the sub heat exchanger is smaller than the step pitch of the main heat exchanger. 5. The air conditioner according to claim 2, wherein the fin pitch of the sub heat exchanger is larger than the fin pitch of the main heat exchanger. 6. The fins of the sub heat exchanger and the main heat exchanger are each formed in a slit shape, and the slit height of the fins of the sub heat exchanger is lower than the slit height of the fins of the main heat exchanger. The air conditioner according to claim 2, wherein 7. The fin shape of the sub heat exchanger and the fin shape of the main heat exchanger are each a slit shape, and the slit shape of the sub heat exchanger and the main heat exchanger are respectively different shapes. The air conditioner as described. 8. The air conditioner according to claim 2, wherein a longitudinal dimension of the sub heat exchanger is smaller than a dimension of the main heat exchanger. 9. The air conditioner according to claim 2, wherein the U-bend of the sub heat exchanger, the hairpin, and the lead pipe of the heat exchanger are arranged in a blower circuit downstream of the main heat exchanger. 10. The air conditioner according to claim 1, wherein an inlet pipe to the heat exchanger during condensation is provided in the sub heat exchanger. 11. The air conditioner according to claim 1, wherein the housing has a substantially fan-shaped or substantially triangular cross-sectional shape so as to have two sides attached to the wall surface of the air-conditioned space. . 12. The air conditioner according to claim 1, wherein a side suction air passage for guiding air from the suction port to the heat exchanger is provided between the housing and the side of the collar of the water receiving tray. Machine. 13. A heat exchanger arranged in a substantially V-shape, wherein both lower ends are horizontally separated from each other, and a lower end of the sub heat exchanger is arranged to overlap a lower end of the main heat exchanger therebetween. The air conditioner according to claim 1, wherein: 14. The air conditioner according to claim 1, wherein each of the heat exchangers arranged in a substantially V-shape is inclined at least 40 ° from the horizontal direction. 15. The heat exchanger according to claim 15, wherein another heat exchanger is arranged at the top of the heat exchanger arranged in a substantially V-shape so that the heat exchanger is inclined vertically or at an upper end toward the cross flow fan. 15. The air conditioner according to any one of 1 to 14.