JP2998753B1 - Air conditioner - Google Patents

Abstract

A compact structure can be maintained with a simple structure without separately providing a damper or a ventilation passage in a main body.
To provide an air conditioner that can maintain indoor comfort. SOLUTION: On a side surface of a casing 5 of an indoor unit 1, a pipe through hole 7 connected to a pipe housing portion 6 is provided, and the pipe through hole 7 is covered with a pipe through hole cover 8 having air circulation. Ventilation unit 2 provided outside the room
Is connected to one of the ventilation pipes 12 penetrating the wall. The other side of the ventilation pipe 12 is connected to the pipe storage hole 6 through the pipe through hole 7.
The guide hose 9 passing through is connected. The air sucked from the pipe through hole 7 by the ventilation unit 2 is discharged outside through the ventilation pipe 12 via the guide hose 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an air conditioner having a ventilation function.

[0002]

2. Description of the Related Art Conventionally, there is an air conditioner having a ventilation function as shown in FIG.
0040). This air conditioner is installed so that the entire rear side of the casing 30 passes through a hole 40 a provided in the wall 40. Further, the air conditioner includes a first damper 33 rotatably provided near an outlet 30a in a casing 30, and an outdoor opening of a ventilation passage 35 for guiding air blown from a blower fan 32 to the outside. And a second damper 34 that is rotatably provided.

[0003] In the air conditioner, the first and second dampers 33 and 34 are set to the positions indicated by solid lines during the air-conditioning operation, and the inlet side and the outdoor side of the ventilation passage 35 are closed. The air sucked in through the heat exchanger 31 is blown downward and forward from the outlet 30a. On the other hand, at the time of ventilation operation, the first and second dampers 33 and 34 are set to the positions indicated by the two-dot chain lines, the outlet 30a is closed, the entrance side of the ventilation passage 35 and the outdoor side are opened, The air sucked in from the side via the heat exchanger 31 is discharged to the outside of the room from the rear opening through the ventilation passage 35.

[0004]

However, in the above air conditioner, indoor air can be easily exhausted.
Since there are many movable parts such as the first and second dampers 33 and 34 in the air conditioner, there is a problem that the structure is complicated and the casing becomes large. Further, in the air conditioner, since the indoor air is exhausted to the outside through the heat exchanger 31 during the ventilation operation, the air conditioning operation must be stopped, and there is a problem that comfort is impaired.

It is an object of the present invention to provide an air conditioner that can maintain compactness with a simple structure and maintain indoor comfort without separately providing a damper or a ventilation passage in a main body. It is in.

[0006]

In order to achieve the above object, an air conditioner according to the present invention is characterized in that a pipe through hole connected to a pipe storage portion is provided on a side surface, and an air flow covering the pipe through hole is provided. An indoor unit including a casing having a pipe through hole cover having a property, a ventilation unit provided outside, a ventilation pipe connected to the ventilation unit and penetrating a wall, and the pipe storage through the pipe through hole. And a guide hose connected to the ventilation pipe through the section.

According to the air conditioner of the first aspect, during the ventilation operation, the ventilation unit provided outside the room sucks the air from the pipe through hole covered by the pipe through hole cover having air circulation. The air is discharged outside the room through a ventilation pipe via a guide hose arranged in a pipe storage section in the indoor unit. As described above, since the guide hose to which the ventilation pipe is connected is arranged in the pipe storage section, a space for disposing the guide hose is not newly provided in the indoor unit, and the compactness is maintained with a simple structure. it can. In addition, the ventilation unit sucks the room air through the guide hose, limiting the suction port where the room air is sucked to the pipe through hole, suppressing the turbulence of the airflow around the casing and stabilizing the airflow in the room. In addition, the air-conditioning operation and the ventilation operation can be performed at the same time, and the indoor comfort can be maintained.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an air conditioner according to the present invention will be described in detail with reference to the illustrated embodiments.

FIG. 1 is a horizontal sectional view of an indoor unit and a ventilation unit of an air conditioner according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along line II-II of FIG.

As shown in FIGS. 1 and 2, the air conditioner comprises a wall-mounted indoor unit 1 mounted on a wall 4 in the room and a ventilation unit 2 mounted on the outside of the wall 4. Have. The indoor unit 1 has a casing 5 in which a pipe through hole 7 connected to a pipe storage section 6 is provided on a side surface, and a lattice-shaped pipe through hole cover 8 is attached to the pipe through hole 7. A pipe through hole 10 is provided in the wall 4 so as to be located on the back side of the casing 5, and a wall pipe 11 is inserted into the pipe through hole 10.
In the wall pipe 11, the insertion part 12a side of the ventilation pipe 12 having a cylindrical insertion part 12a and a divergent funnel-shaped guiding part 12b is inserted from outside the room. The insertion portion 12a of the ventilation pipe 12 and the pipe through hole 7 are
The pipes in the casing 5 are connected by a guide hose 9 arranged in a pipe storage section 6 for wiring. The above guide hose 9
Is a straight pipe portion 9a on the side of the pipe through hole 7 and the wall pipe 1
And an elbow portion 9b on one side, and the insertion portion 12a of the ventilation pipe 12 is inserted into the elbow portion 9b near the wall surface 4a on the indoor side.
The tip is connected. The elbow portion 9b is molded of resin into an elbow shape so that the air flows smoothly without increasing the pressure loss of the air passing through the guide hose 9. Although the guide hose 9 and the ventilation pipe 12 are separately manufactured, they may be integrally formed by a single hose or the like.

The ventilation unit 2 has four support members 16 (only two are shown in FIG. 1) having a fixing portion 16a fixed to the wall surface 4b on the outdoor side so as to surround the pipe through hole 10.
A scroll member 13 connected to the other ends of the four support members 16; a sirocco fan 14 disposed inside the scroll member 13;
A motor 15 for rotating the sirocco fan 14, and a cover 22 for covering the support member 16, the scroll member 13, the sirocco fan 14, and the motor 15. . Also,
On the side plate 13a on the wall 4 side of the scroll member 13, a circular hole 18 facing the pipe through hole 10 is provided, and the guide portion 12b side of the ventilation pipe 12 is fitted in the circular hole 18. Side plate 13 opposite to wall 4 of scroll member 13
b, a through hole 20 is provided, and the motor 15
And a shaft (not shown) of the sirocco fan 14 is connected to the tip of the rotating shaft 21. Also,
The scroll member 13 is provided with an exhaust port 17 that opens laterally, and the sirocco fan 14 controls the scroll member 13.
The air sucked through the circular hole 18 is discharged from the exhaust port 17 to the outside of the room.

A pipe passage 19 is formed in the wall pipe 11 in a space excluding the ventilation pipe 12.
Although not shown, the indoor unit 1 is connected to the pipe passage 19.
And a control signal line which connects the refrigerant pipe connecting the air conditioner and an outdoor unit (not shown).

In the air conditioner having the above configuration, the sirocco fan 14 is driven to rotate by the motor 15 in the ventilation unit 2 during the ventilation operation. Then, the ventilation unit 2 is moved by the sirocco fan 14 from the pipe through hole 7 to which the pipe through hole cover 8 is attached to the guide hose 9.
The room air is sucked into the scroll member 13 through the ventilating pipe 12 and the air blown out from the sirocco fan 14 is discharged from the exhaust port 17 to the outside of the room (see arrow R in FIG. 1).

As described above, since the guide hose 9 is disposed in the pipe storage section 6 in the indoor unit 1, a space for disposing the guide hose 9 is not newly provided. Can be maintained. The ventilation unit 2 sucks the room air through the guide hose 9, thereby restricting the suction port into which the room air is sucked to the pipe through hole 7, suppressing the turbulence of the airflow around the casing 5, and controlling the airflow in the room. And the air-conditioning operation and the ventilation operation can be performed at the same time, and the indoor comfort can be maintained.

In the air conditioner, the guide hose 9
A suction port through which indoor air is sucked by the pipe through hole 7
Since the turbulence of the airflow around the casing 5 is suppressed to stabilize the airflow in the room, it is possible to prevent dew condensation occurring on the surface of the casing 5 and to prevent dust from adhering to the wall surface 4a.

Also, the indoor unit 1 of the air conditioner
Can be used as a conventional air conditioner without a ventilation function when the ventilation unit 2 is not used, and a versatile air conditioner can be realized.

In the above embodiment, the guide hose 9
Is composed of the straight pipe section 9a and the elbow section 9b, but the straight pipe section 9a of the guide hose 9 may be a bellows-shaped pipe. Further, the guide hose is not limited to the shape of the above embodiment, and may be a bellows-like tube or the like.

[0018]

As is apparent from the above description, the air conditioner according to the first aspect of the present invention is provided with a pipe through-hole connected to the pipe storage section on the side, and has an air circulation covering the pipe through-hole. An indoor unit having a casing having a pipe through hole cover, a ventilating unit provided outside, a ventilating pipe connected to the ventilating unit, and penetrating a wall; and And a guide hose connected to the ventilation pipe.

Therefore, according to the air conditioner of the first aspect of the present invention, since the guide hose to which the ventilation pipe is connected is disposed in the pipe housing, the space for disposing the guide hose is provided in the indoor unit. Without newly establishing,
Compactness can be maintained with a simple structure. In addition, the ventilation unit sucks the room air through the guide hose, limiting the suction port where the room air is sucked to the pipe through hole, suppressing the turbulence of the airflow around the casing and stabilizing the airflow in the room. In addition, the air-conditioning operation and the ventilation operation can be performed at the same time, and the indoor comfort can be maintained.

[Brief description of the drawings]

FIG. 1 is a horizontal sectional view of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a sectional view of the air conditioner of FIG. 1 taken along the line II-II.

FIG. 3 is a longitudinal sectional view of a conventional air conditioner.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Indoor unit, 2 ... Ventilation unit, 4 ... Wall, 5 ... Casing, 6 ... Piping storage part, 7 ... Piping through hole, 8 ... Piping through hole cover, 9 ... Guide hose, 11 ... Wall pipe, 12 ... Ventilation Pipe, 13 ... scroll member, 14 ...
Sirocco fan, 15 ... motor, 22 ... cover.

Continuation of the front page (56) References JP-A-4-73531 (JP, A) JP-A-63-190817 (JP, A) JP-A-9-324928 (JP, A) JP-A-59-172917 (JP) , A) Japanese Utility Model 1-125931 (JP, U) Japanese Utility Model Application 57-118214 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F24F 1/00 431

Claims (1)

(57) [Claims] 1. A pipe through hole (7) connected to a pipe storage part (6).
An indoor unit (1) having a casing (5) having an air-permeable pipe through-hole cover (8) for covering the pipe through-hole (7) provided on the side surface; A ventilation unit (2), a ventilation pipe (12) connected to the ventilation unit (2) and penetrating the wall, and the ventilation through the piping accommodation hole (6) from the piping through hole (7). An air conditioner comprising a guide hose (9) connected to a pipe (12).