JP2828835B2 - Integrated air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated air conditioner capable of taking in outside air into a room.

[0002]

2. Description of the Related Art Conventionally, Japanese Patent Publication No. 52-8296 discloses an integrated type air conditioner in which outside air can be introduced into a room. The interior of the integrated air conditioner disclosed in this publication is divided into an outdoor room and an indoor room by a partition plate. Then, the outdoor air is sucked from a suction port opened on both sides of the outdoor room by the rotation of the outdoor blower (propeller fan), and then cooled or heated by the outdoor heat exchanger, and from the central portion on the rear side of the outdoor room. Exhausted. The indoor air is drawn in from the lower part of the indoor side chamber by the rotation of the indoor blower (cross flow fan), cooled or heated by the indoor heat exchanger, and is blown out from the upper central part into the room. Here, an opening provided with a damper is provided in the partition plate. When the outdoor air is introduced into the room, the damper is moved to the room side to open this opening. As a result, a part of the outdoor air flows into the indoor side chamber, and the flowing outdoor air joins with the indoor air and is discharged from the outlet of the indoor side chamber.

[0003]

When the outdoor air is introduced into the room in this way, the damper is moved to the room side to open the opening of the partition plate. Thereby, a part of the ventilation path of the indoor side room is closed by the damper.
That is, the ventilation resistance of the ventilation path of the indoor side chamber increases, and the amount of room air sucked into the ventilation path decreases, so that the air conditioning capacity cannot be denied.

[0004] The present invention provides a cross-floor for air circulation on the indoor side.
Using a low fan to introduce outside air into the room
When the outside air is introduced into the integrated air conditioner
Also, it is intended to provide an integral type air conditioner that suppresses a reduction in air conditioning capacity low.

[0005]

In order to achieve this object, the present invention is directed to directing the air in the outdoor room to the indoor room by a partition plate which partitions the inside of the main body into an indoor room and an outdoor room. located in the air inlet and the outdoor side chamber damper for opening and closing the intake port - provided with a cross flow fan in the indoor side chamber, provided with a rear casing of this fan, in the rear casing, crossflow Indoor heat exchange with fan
An auxiliary intake port connected to the intake port is provided between the auxiliary intake port and the heat exchanger .

[0006]

[Action] To introduce the outside air into the air conditioner operation, inlet damper - also move the damper - is Riakeshin
Air flow that is blocking the ventilation path formed by the
Not be a resistor, and an empty air passage of the outdoor side chamber
The air inlet and the indoor side chamber are directly connected via the air inlet.
Outdoor air is supplied to the cross-flow fan
Derived from the auxiliary air inlet in accordance with the work on the air passage of the indoor side chamber, it is merged with the indoor air flowing along the cross flow fan rear casing.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIGS. 1 and 2, reference numeral 1 denotes an integrated air conditioner which is mounted through a wall of a house. This air conditioner has a case 2 which is installed through a wall, and is inserted into the case. And a front panel 4 attached to a front portion of the main body 3.

A partition plate 5 stands on the bottom plate 6 of the main body 3, and the inside of the main body is divided into an indoor side room A and an outdoor side room B by the partition plate 5. Reference numeral 7 denotes an outdoor motor for driving an outdoor fan fixed to the outdoor wall surface of the partition plate 5, and a rotating shaft 8 of the motor 7 is connected to a propeller fan 9.
Numeral 10 denotes slingering for connecting the propeller fans 9 to each other, which lifts up the drain water accumulated in the bottom plate 6 during cooling and scatters it to the outdoor heat exchanger 11. Reference numeral 12 denotes a fan casing that covers a part of the propeller fan 9 and connects to the outdoor heat exchanger 11. Reference numeral 13 denotes an intake port provided on one side of the partition plate 5 (the left side in FIG. 2) for introducing outside air, and a synthetic resin intake frame having an insect repelling net 14 on the side of the outdoor chamber B of the intake port 13. 15 and a damper 16 supported by the intake frame 15 are arranged.

Reference numeral 17 denotes a compressor, and reference numeral 18 denotes a drain pump, both of which are disposed on one side (a right side in FIG. 2) on which the damper 16 is provided.

Reference numeral 19 denotes an indoor heat exchanger, reference numeral 20 denotes a cross-flow fan 21 disposed behind the indoor heat exchanger 19, an indoor motor for driving the cross-flow fan 20,
Reference numeral 22 denotes a stabilizer which also serves as a partition plate disposed above the indoor heat exchanger 19, and a heater support 23 is hung down from the stabilizer 22. The lower part of the support 23 is formed wider than the upper part.
Electric heaters 24 are arranged in two rows. Therefore, the electric heater 24 on the partition plate 5 side is located below the cross flow fan 20. Reference numeral 25 denotes an indoor drain pan disposed below the indoor heat exchanger 19, and reference numeral 26 denotes an air filter, which is disposed behind a suction grill (air suction port) 27 of the front panel 4 and in front of the indoor heat exchanger 19. .

Reference numeral 28 denotes a rear casing of the cross flow fan 20. A lower end 29 is located at a rear portion of the drain pan 25, a central portion 30 is located at a positioning piece 31 projecting from the partition plate 5 in the indoor side chamber A, and an upper end 32 is located at an upper plate 33. Fixed. 3
Reference numeral 4 denotes a crossflow in the rear casing 28 .
Position to is formed between the § emission 20 and the indoor heat exchanger 19
The auxiliary intake port is formed by cutting and raising a rear casing 28 made of sheet metal so as to be referred to as an “armor door”. Reference numeral 38 denotes an electrical box.

FIG. 3 shows an attached state of the above-mentioned equipment which is arranged in the indoor side room A.
Decreases from the left side to the right side of the rear casing 28. Reference numeral 35 denotes a wind direction changing member mounted on the upper surface of the stabilizer 22 (omitted in FIG. 1). The member 35 includes a wind direction changing blade 36 and a wire mesh 37 disposed in front of the blade to prevent finger insertion. It is configured. 39
Is an inspection unit (inspection port) used for service inspection of the cross flow fan 20 and the electric heater 24.
Is an auxiliary plate 40 applied from outside (left side in FIG. 3).
Closed by A bearing 41 is attached to the auxiliary plate 40, and the bearing 41 supports a non-drive shaft 42 of the cross flow fan 20. Reference numeral 43 denotes a boss of the cross flow fan 20, to which a rotating shaft 44 of the indoor motor 21 is attached.

In the integrated type air conditioner having such a configuration, the compressor 38, the outdoor heat exchanger 11, the pressure reducing device (not shown), the indoor heat exchanger 19, etc. are refrigerant pipes (not shown). In the cooling operation, the outdoor heat exchanger 11 functions as a condenser and the indoor heat exchanger 19 functions as an evaporator.

During the cooling operation, the propeller fan 9 of the outdoor room B is rotated by the driving of the outdoor motor 7, and the outdoor air is sucked from the left and right suction ports 45 and 46 on the rear surface of the outdoor room B, and the outdoor air is blown. After being cooled or heated in the heat exchanger 11,
It is discharged from the central part 47 on the back of the outdoor side chamber B (see the solid arrow in FIG. 2). In the indoor room A, the cross flow fan 20 is rotated by the driving of the indoor motor 21,
Room air is drawn in from the front side of the indoor side room A, that is, from the suction grill 27 of the front panel 4, cooled or heated by the indoor heat exchanger 19, and then blown out from the discharge port 70 of the front panel 4 (solid arrow in FIG. 1). reference). At this time, the damper 16 is not opened and is in contact with the insect net 14 serving as the intake port 13 of the partition plate 5 and is in a closed state. The indoor side room A and the outdoor side room B are shut off. ,
An outside air introduction path 48 from one suction port 45 to the suction port 13
And the outside air discharge passage 49 extending from the outside air introduction passage 48 to the outdoor heat exchanger 11 (see FIG. 2).

In order to introduce outside air into the indoor side A during such air conditioning operation, the switching lever facing the side of the main body 3
(Not shown), the damper 16 is rotated about the support shaft 50 by the tension from the lever. At this time, the tip of the damper 16 is connected to the fan case 1.
2 is brought close to or in contact with the wall of
8 blocks part of the flow of outside air . Then (see Fig. 2) outside air introducing passage 48 <br/> One directly and the indoor side chamber A through the insect screen 14 Nagari, outside air of the partition plate 5 in accordance with the air flow generated by rotation of the cross flow fan 20 Inlet 1
3, the partition plate 5, the space 51 between the rear casing 28, and the rear casing 28 and the indoor heat exchanger via the auxiliary intake port 34 .
Flows into the air flow path formed in step 19, and the indoor heat exchanger
Crossflow with room air flowing through 19
It is pressurized by the fan 20 and blows out from the discharge port 70 into the room.

Here, as described above, the auxiliary suction port 34 cuts and raises the windward side portion of the rear casing 28 to form an armored door, and the cut-and-raise piece 52 projects outside the rear casing 28. The inner wall 53 of the rear casing 28 has a substantially smooth curved surface shape. Therefore, even at the time of introducing outside air, the decrease in the ventilation resistance of the indoor ventilation path as shown in the publication disclosed in the related art is small, and the flow of the indoor air flowing through the indoor ventilation path formed by the rear casing 28 and the like is The flow is substantially the same as in the cooling operation (see the solid arrow in FIG. 1). Then, a decrease in the air conditioning capacity at the time of introducing outside air is suppressed as much as possible.

The auxiliary suction port 34 is connected to the rear casing 28.
Is formed in the shape of an armored door, so that even if drain water or rainwater scooped up by the slinger ring 10 in the outdoor room B adheres to the rear casing 28 via the suction port 13, Since the auxiliary suction port 34 is in the shape of an armored door, there is almost no risk of intrusion into the ventilation path of the indoor side room A. For this reason, there is no possibility that drain water or rain water will splash on the heater 24, and no insulation failure due to drain water or the like will occur. Drain water or rainwater that has entered through the suction port 13 is guided to the indoor drain pan 25 via a drain guide gutter 54 disposed so as to straddle the suction port 13 and the indoor drain pan 25.

[0018]

As described above, according to the present invention, the interior of the main body is partitioned into the indoor side chamber and the outdoor side chamber by the partition plate,
This partition plate leads to the indoor side chamber air of the outdoor side chamber by opening and closing the intake port and located in the outdoor side chamber intake port connecting the two chambers dampers - and the provided while cross the room side chamber provided flow fan and its rear casing, since the windward portion with respect to the cross flow fan of this rear casing and to an auxiliary air inlet connected with the inlet of the partition plate, the damper - indoor outdoor side of the air by
When the air is introduced into the
And smoothly merge with the flow of indoor air sucked into the cross flow fan . Therefore, opening and closing of the damper can be performed indoors.
There is almost no obstruction to the air flow,
Compared with the operation of the damper at the time of introducing the outside air of the Japanese machine, the decrease of the air conditioning capacity at the time of introducing the outside air can be suppressed to a very small value.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of an integrated air conditioner of the present invention.

FIG. 2 is a plan view of the main body shown in FIG.

FIG. 3 is an exploded perspective view of components arranged in the indoor side chamber of the main body shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Integrated air conditioner 3 Main body 5 Partition plate 9 Outdoor blower (propeller fan) 11 Outdoor heat exchanger 13 Intake port 16 Damper 19 Indoor heat exchanger 20 Cross flow fan 28 Rear casing 34 Auxiliary intake port A Indoor side room B Outdoor side Room

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Toshimasa Tsukui 2-18-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Toshiyuki 2-18-18 Keihanhondori, Moriguchi-shi, Osaka (72) Inventor Fujio Suzuki 2-18-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (56) References JP-A-60-174443 (JP, A) 108724 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) F24F 1/02

Claims (1)

(57) [Claims] An interior of an air conditioner body is divided into an indoor room and an outdoor room by a partition plate, an indoor heat exchanger and a cross flow fan are built in the indoor room, and an outdoor heat exchanger is installed in the outdoor room. In an integrated air conditioner that incorporates an exchanger and an outdoor blower, and the partition plate is provided with an intake port that guides air in the outdoor room to the indoor side room, the air intake is provided in the outdoor room side of the partition plate. to open and close the mouth and empty the chamber outer chamber upon opening of the intake port
Rutotomoni provided Da <br/> bumpers as to communicate the air inlet and the indoor side chamber directly, the room side chamber disposed rear casing of the cross flow fan, on the rear casing <br/> is Between the cross flow fan and the indoor heat exchanger
And an auxiliary air intake connected to the air intake.