JPH07233966A - Air conditioner - Google Patents

Abstract

PURPOSE:To perform duct connecting work from the front side of an air conditioner by orienting a connecting point between a chamber side part and a duct main body, and a connecting point between a main body of an air conditioner and the duct main body opposite to the front side of the main body of the air conditioner. CONSTITUTION:A duct 150 is constituted by a chamber side part 151 connected to a chamber 160, a main body side part 152 connected to a main body 1 of an air conditioner, and a duct main part 153 interconnecting the main body side part 152 and the chamber side part 151. And the connecting point between the part 151 and the part 153, and the connecting point between the part 152 and the part 153 are oriented opposite to the front side of the main body 1 of the air conditioner. As a result, connecting work of the duct 150 can be performed from the front side of the main body 1, and even if at an elevated spot and in improper work position, work can be performed safely.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner having a duct, and more particularly to a duct connecting structure for connecting a chamber and an air conditioner body.

[0002]

2. Description of the Related Art Generally, there is known an air conditioner provided with a duct connecting a chamber forming an air passage and an air conditioner body (see, for example, Japanese Patent Laid-Open No. 5-248661). In this type, the air conditioner body is usually
The air conditioner body placed on the floor and the chamber arranged inside the ceiling are connected by a duct for blowing air.

[0003]

However, the conventional structure has a problem that it is difficult to connect the ducts. In the work near the ceiling, in addition to being at a high place, the work posture becomes poor. Therefore, a duct that can be easily connected has been desired in the past.

Therefore, the present invention is to solve the problems of the above-mentioned conventional techniques and to provide a duct connecting structure which can be easily connected.

[0005]

The present invention is directed to an air conditioner main body having a heat exchanger for controlling the temperature of indoor air, a chamber connected to the temperature control chamber by an air passage, the chamber and the main body. In an air conditioner including a duct for connecting the duct to the chamber, the duct is a chamber side portion connected to the chamber, a main body side portion connected to the main body, and a duct main body connecting the main body side portion and the chamber side portion. In addition, the connection portion between the chamber side portion and the previous period duct body and the connection portion between the main body side portion and the previous period duct body are directed to the front side of the air conditioner body.

Further, the air conditioner body, the chamber,
In an air conditioner including a duct connecting the chamber and the main body, the duct is configured by a square duct, and a chamber side portion connecting the duct to the chamber and a main body side portion connected to the main body. A duct main body that connects the main body side part and the chamber side part, and the connecting part between the chamber side part and the duct main body and the connecting part between the main body side part and the duct main body This is for the front side of the main body of the harmony machine.

Further, the air conditioner body, the chamber,
In an air conditioner provided with a duct connecting the chamber and the main body, a chamber side portion connecting the duct to the chamber, a main body side portion connected to the main body, the main body side portion and the chamber side portion And a duct main body that connects to each other, and directs the connecting portion between the chamber side portion and the previous period duct body and the connecting portion between the main body side portion and the previous period duct body to the front side of the air conditioner main body, The duct body is made of glass wool.

[0008]

According to the air conditioner of the present invention, the connecting portion between the chamber side portion and the duct main body and the connecting portion between the main body side portion and the duct main body face the front side of the air conditioner main body. Duct connection work can be performed from the front side of the air conditioner body.

If the duct is a square duct, the connecting portion of the duct is particularly easy to form.

Further, in the case where the duct main body is made of glass wool, the main body can be cut, so that the length of the duct main body can be easily adjusted to the lengths of the chamber side portion and the main body side portion. You can

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a main body of an air conditioner, which is installed, for example, in a room 46 on the second floor so that the room 46 and the room 47 on the first floor can be simultaneously air-conditioned. Has become. The main body 1 has a housing 100, and as shown in FIG. 2, the ventilation heat recovery unit 2 and the air conditioning unit 3 are housed in the housing 100.

The structure of the ventilation heat recovery unit 2 will be briefly described. As shown in FIG. 3, inside thereof, an outside air intake blower 20, an exhaust blower 21, and a heat recovery heat exchanger 23 are provided. And are stored.

After the outside air OA taken in through the outside air intake blower 20 and the indoor air RA 'taken in through the exhaust blower 21 are heat-exchanged in the heat recovery heat exchanger 23, the above outside air OA is obtained. Supply air S
A is sent to the air conditioning unit 3 described below.
The room air RA 'is exhausted as exhaust air EA.

As shown in FIG. 2, the air conditioning unit 3 includes an air cleaner 4 comprising a dust collecting filter 5 and a deodorizing filter 6, an air conditioning heat exchanger 7 for heating and cooling the circulating air, A humidifier 8 in which a porous hydrophilic resin plate 8a is laminated and an air blower 9 for air circulation are sequentially housed along the air flow direction. In addition, in the heat exchanger 7,
A refrigerant compressor, a four-way valve, an outdoor heat exchanger, and a pressure reducing device housed in an outdoor unit (not shown) are sequentially connected via a refrigerant pipe.

The main body 1 is provided with a blower duct 11 connected to the blower 9.

An opening 12 is provided at the upper end of the blower duct 11.
Is formed, and a duct 150, which will be described later, is connected to the opening 12, and the duct 150 is connected to the ceiling 3
It is connected to the chamber 160 located in part 5.
This chamber 160 is connected to the
It is connected to the blowout chamber 34 on the second floor, and the blowout chamber 34 on the second floor is attached to the ceiling plate 33 of the room 46 on the second floor.

An opening 1 is provided at the lower end of the air duct 11.
4 is formed, the diversion chamber 13 located in the ceiling 40 portion of the room 47 on the first floor is connected to the opening 14, and the air supply duct 41 is provided in the opening 15 (FIG. 2) on the side surface of the diversion chamber 13. Are connected. A blowout chamber 39 on the first floor is connected to the air supply duct 41, and the blowout chamber 39 on the first floor is attached to a ceiling plate of a room 47 on the first floor.

Further, a suction grill 37 is provided on the wall surface of the room 46 on the second floor, and an intake duct 38 is connected to the suction grill 37.

The intake duct 38 is the chamber 1 described above.
A duct 150 is also connected to the chamber 160, and the duct 150 is connected to the return air flow inlet 10 on the back side of the ventilation heat recovery unit 2.
An exhaust port 42 for exhausting the internal air is provided on the outer wall of the building.

In this type, when air conditioning is performed through the heat recovery heat exchanger 23, referring to FIG. 4, first, the blower 20, the blower 21, and the blower 9 are driven.

When this is driven, the outdoor air OA and the indoor air RA 'are taken into the heat recovery heat exchanger 23, as schematically shown in FIG. The indoor air after the heat exchange is discharged to the outside through the blower 21 as the exhaust air EA from the exhaust port 42, and the outdoor air after the heat exchange passes through the air filter 4 and the heat exchange for air conditioning. Through the blower 7 and the blower 9 into each of the blowing chambers 34, 3
Supply air SA is supplied from 9 and is supplied indoors.

When the heat recovery heat exchanger 23 is not passed, the blower 9 is driven. Then, the indoor air RA is sucked from the suction grill 37, passes through the intake duct 38, the return airflow inlet 10 on the back side of the ventilation heat recovery unit 2, and the air filter 4, bypasses the ventilation heat recovery unit 2, and directly. After passing through the air-conditioning heat exchanger 7 and the blower 9, supply air SA is supplied to the room.

Reference numeral 200 is an outdoor unit, in which a compressor 201 and an outdoor heat exchanger 202 are incorporated.

In the above floor-standing air conditioner, when connecting the duct 150, there is a problem that it is a high place and the working posture becomes poor, so that the connecting work of the duct 150 becomes difficult. .

According to this embodiment, some measures are taken to eliminate it.

That is, as shown in FIGS. 6 and 7, the duct 150 is a square duct, and a chamber side portion 151 connected to the chamber 160, a main body side portion 152 connected to the main body 1, and this main body. It is composed of a duct main body 153 connecting the side portion 152 and the chamber side portion 151, and these are separable. As shown in FIG. 8, the chamber side portion 151 is, for example, a bolt 1
It is fixed to the chamber 160 via 61. Although illustration is omitted, the main body side portion 152 is also fixed to the main body 1 via, for example, a bolt.

The lower surface 151a and the upper surface 152a of the chamber side portion 151 and the main body side portion 152 are shown in FIG.
As is clear from FIG. 7, both end surfaces 153a of the duct main body 153, which are obliquely cut so that the lower surface 151a and the upper surface 152a thereof face the front surface of the air conditioner main body 1 and are sandwiched therebetween, respectively, have the respective lower surfaces 151a. , Is obliquely cut so as to be in close contact with the upper surface 152a.

The chamber side portion 151 and the duct body 15
As shown in FIG.
2 is used. Although not shown, the duct body 153
A bolt, for example, is also used for connecting the main body side portion 152 to the main body side portion 152. Therefore, each member is provided with a flange 163 as shown in the drawing, and the flange 163 is provided with a bolt hole 164 to which a welding nut is attached and a fool hole 165.

Referring to FIG. 9, duct body 153 is further composed of three parts. For example, a first part 171 connected to the chamber side part 151, a second part 172 connected to the main body side part 152, and an intermediate part 173 connecting the first and second parts may be divided into three parts. it can.

In the first portion 171, the core portion 181 is made of glass wool, and the metal connecting fitting 1 is provided at the upper and lower ends thereof.
82 and 183 are attached, and an aluminum tape 184 is wound around the outer peripheral portion. A tubular portion 185 is provided on the connection fitting 183 at the lower end. On the lower surface of the connecting fitting 183 including the tubular portion 185, the packing 18 made of expanded polyethylene is provided.
6 is inserted, and the intermediate portion 173 is fitted therein from below. Since the packing 186 is interposed between them, the airtightness is enhanced, and since there is the tubular portion 185, the intermediate portion 17
The lateral deviation of 3 is prevented. The middle portion 173 is made of glass wool 191, and an aluminum tape 187 is wound around the outer peripheral portion thereof. Intermediate part 173 and first part 17
An aluminum tape (not shown) is further wound around the outer peripheral portion of the connection with 1, so that the aluminum tape is prevented from coming off.

The length of the duct body 153 can be changed to an arbitrary length by cutting the intermediate portion 173 with a cutter or the like.

According to this, the length dimension of the duct body 153 can be measured on site and easily adjusted to the length dimension, so that the connecting work can be easily performed.

The structure of the above-mentioned second part is the same as that of the first part.
The configuration is substantially the same as that of the portion 171 of FIG.

To connect the upper surface 171a of the first portion 171 to the lower surface 151a (FIG. 7) of the chamber side portion 151, a packing 188 made of foamed polyethylene is applied to the upper surface 171a, and then, for example, as shown in FIG. As shown
The first portion 171 (duct main body 153) is moved to the right in the figure.

That is, referring to FIG. 9, the first portion 171
The upper surface 171a of the lower surface 151 of the chamber side portion 151
Move it by pressing it against a.

According to this, since the first portion 171 is moved in the direction of pressing the packing 188 while connecting the both, the packing 188 is not displaced.
Moreover, since the packing 188 is sufficiently crushed, airtightness can be improved. The packing 188 may be provided on each of the upper surface 171a and the lower surface 151a, or may be provided on only one of the surfaces.

6 and 7, the packing 188 is preferably sandwiched between the chamber side portion 151 and the duct main body 153, and between the duct main body 153 and the main body side portion 152. As shown in FIG. 7, with the packing 188 sandwiched, the duct main body 153 is moved to the right in the figure (from the front surface side to the back surface side) to be in the state of FIG. 6, and then, as shown in FIG. , Bolts 163 are used to connect the two.

In summary, according to this embodiment, the bolt 1
Since the connecting work of 63 can be performed from the front side of the main body 1, even if the work position is high and the work posture is bad, the work can be performed easily without causing much trouble.

In this embodiment, the air conditioner of the type in which the main body 1 is placed on the floor has been described, but it goes without saying that it can be applied to an air conditioner of the type in which the main body is suspended in the ceiling space. In this case, the lower side corresponds to the front side described in the claims.

The present invention has been described above based on the embodiment, but it is obvious that the present invention is not limited to this.

[0042]

According to the air conditioner of the present invention, since the work of connecting the duct connecting the chamber and the air conditioner body can be performed from the front side, it is safe even if the work position is high and the working posture becomes bad. Can work on it.

Further, in the case where the duct is a square duct, the connecting portion of the duct is particularly easy to form, so that the duct can be easily manufactured, and thus the air conditioner can be easily manufactured.

Further, since the length of the duct body can be easily matched with the length of the chamber side portion and the body side portion, the installation work of the air conditioner can be facilitated.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a state in which an air conditioner according to the present invention is arranged on a second floor.

FIG. 2 is an explanatory diagram showing the internal structure of the air conditioner according to the present invention.

FIG. 3 is a perspective view of a ventilation heat recovery unit.

FIG. 4 is an explanatory diagram showing a path of air blowing of the air conditioner of FIG. 1.

FIG. 5 is an explanatory view showing a heat recovery heat exchanger of the ventilation heat recovery unit.

FIG. 6 is a side view showing an embodiment of the air conditioner according to the present invention.

FIG. 7 is a side view showing how to install the duct of the air conditioner according to the present invention.

FIG. 8 is an exploded perspective view showing a connection state between a chamber side portion and a duct body.

FIG. 9 is an exploded cross-sectional view showing a duct body.

[Explanation of symbols]

 1 Main Body 2 Ventilation Heat Recovery Unit 3 Air Conditioning Unit 7 Air Conditioning Heat Exchanger 23 Heat Recovery Heat Exchanger 150 Duct 151 Chamber Side Part 152 Main Body Side Part 153 Duct Main Body 160 Chamber 161, 162 Bolt 171 First Part 172 Main Body Side Part 181 Core part 182,183 Connection metal fittings 184,187 Aluminum tape 186,188 Packing

Claims (3)

[Claims] 1. An air conditioner main body having a heat exchanger for adjusting the temperature of indoor air, a chamber connected to the temperature adjusting chamber by an air passage, and a duct connecting the chamber and the main body. In the air conditioner, the duct,
A chamber side portion connected to the chamber, a main body side portion connected to the main body, and a duct main body connecting the main body side portion and the chamber side portion, and
An air conditioner characterized in that a connecting portion between the chamber side portion and the previous period duct main body and a connecting portion between the main body side portion and the previous period duct main body are directed to a front side of the air conditioner main body. 2. An air conditioner main body having a heat exchanger for controlling the temperature of the indoor air, a chamber connected to the temperature control chamber by an air passage, and a duct connecting the chamber and the main body. In the air conditioner, the duct,
It is composed of a rectangular duct, and is composed of a chamber side portion that connects the duct to the chamber, a main body side portion that is connected to the main body, and a duct main body that connects the main body side portion and the chamber side portion, and An air conditioner characterized in that a connecting portion between the chamber side portion and the duct body and a connecting portion between the body side portion and the duct body are directed toward a front side of the air conditioner body. 3. An air conditioner main body having a heat exchanger for controlling the temperature of the indoor air, a chamber connected to the temperature control chamber by an air passage, and a duct connecting the chamber and the main body. In the air conditioner, the duct,
A chamber side portion connected to the chamber, a main body side portion connected to the main body, and a duct main body connecting the main body side portion and the chamber side portion, and
The connecting portion between the chamber side portion and the previous duct body and the connecting portion between the main body side portion and the previous duct body are directed to the front side of the air conditioner body, and the duct body is made of glass wool. An air conditioner.