JP3363631B2 - 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 air conditioner in which a filter chamber for accommodating a filter is attached to a main body accommodating a blower and a heat exchanger.

[0002]

2. Description of the Related Art For example, in a ceiling-suspended air conditioner for suspending a main body from a ceiling, an air conditioner having a filter chamber for accommodating a filter is provided for a main body accommodating a blower and a heat exchanger. , Real Fair 4-16
It is disclosed in Japanese Patent Publication No. 084. When installing a medium-performance filter or a high-performance filter, this conventional air conditioner is installed in a filter chamber set between the body of the indoor unit and the panel.

Particularly, the capacity of the main body of the indoor unit is, for example, 5 KW.
When it comes to a class, the width dimension becomes about 2 m, the filter chamber attached to the body of such an air conditioner is also elongated, and when Styrofoam is used for the filter chamber for the purpose of weight reduction, Due to its weak strength, a brace is required in the center of the filter chamber.

[0004]

However, if a reinforcing member is provided at the center of the filter chamber, the reinforcing member interferes with the maintenance of the main body element such as a blower located on the back side of the filter chamber, which makes maintenance difficult. There is.

Therefore, in order to solve the above problems, it is an object of the present invention to provide an air conditioner in which the filter chamber is excellent in strength and the maintenance of the elements in the main body can be facilitated through the filter chamber.

[0006]

According to a first aspect of the present invention, there is provided an air conditioner including a main body for accommodating a blower and a heat exchanger, and a filter chamber in which a plurality of filters are arranged side by side. A reinforcing tool for reinforcing the filter chamber is detachably provided in the central part of the filter , and the reinforcing tool is a flat plate.
Part and both ends of this flat plate part,
Detachable between the side walls provided inside the chamber
And a guide portion fixed to the guide portion.
Is bent inward, and the flat plate portion is a filter
It is characterized in that it has a part for adhering the end of the top surface of
It is something.

The invention as defined in claim 2 is as set forth in claim 1.
In the air conditioner of, both ends of the guide part are inward
It is bent into a taper shape.
And are characterized by.

[0008]

[0009]

According to the first aspect of the invention, the presence of the reinforcing member can prevent the filter chamber from being deformed and ensure the insertion dimension of the filter. Since the reinforcing member of the filter chamber is detachable, when performing maintenance of the element which is located on the back side of the reinforcing member and is housed in the main body,
If this reinforcing tool is removed from the filter chamber, maintenance of elements such as the blower housed in the main body can be easily performed. Furthermore, when accommodating the filter in the filter chamber
In addition, the brace guides the filter and positions it in the correct position.
You can

According to a second aspect of the invention, in addition to the first aspect of the invention, the reinforcing member is provided with a guide portion having a taper.
The filter chamber contains a filter
The guide part guides the filter to be inserted.
It can be easily positioned in the correct position. Only
However, when installing the filter, the installation space
Guide the filter so that it narrows
Can be easily installed.

[0011]

[0012]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, the air conditioner 1
Is a ceiling-embedded air conditioner that is suspended and fixed in a ceiling space. An air intake port 3 is provided at the center of the ceiling panel 2, and a pair of air outlets 4 are provided on both sides of the air intake port 3.
a and 4b are provided, and the air sucked from the suction port 3 is heat-exchanged and then blown out from the air outlets 4a and 4b.

An attachment panel 6 is detachably attached to the suction port 3 of the ceiling panel 2. The mounting panel 6 is also called a suction panel, and when the mounting panel 6 is removed from the ceiling panel 2 as shown in FIG. 2, the inside of the filter chamber 20 is exposed.

As shown in FIG. 3, a blower 5, heat exchangers 7a and 7b, and an electrical equipment box (not shown) for controlling the operation are housed in the main body 8, and the ceiling panel 2 is blown. A pair of blowing passages 11a and 11b are formed along the longitudinal direction of the main body 8 at positions corresponding to the outlets 4a and 4b. The blower 5 is provided in the center of the main body 8 and, for example, a twin fan in which fans are attached to both sides of the rotation shaft of the motor is used.

The heat exchangers 7a and 7b are arranged in the longitudinal direction along the blowing passages 11a and 11b, respectively, and allow the air blown by the blower 5 to pass therethrough as indicated by an arrow R to exchange heat. A refrigerant introduction pipe for introducing a refrigerant into the heat exchangers 7a and 7b is connected to the heat exchangers 7a and 7b, and the refrigerant is introduced from the outdoor unit.

As shown in FIGS. 1 and 2, a filter chamber 20 is detachably attached to the flange of the main body 8. The frame of the filter chamber 20 has four side surface portions 20a, 20b, 20c, 20d,
As shown in FIG. 1 and FIG. 2, the upper side of the two side surfaces 20b, 20d on the shorter side facing each other among these side surfaces,
The first flange portions 30, 30 are integrally formed so as to project outward. The flange portion 55 of the box-shaped main body 8 is detachably fixed to the first flange portions 30 and 30 with screws 56.

Second flange portions 40, 40 are detachably fixed to the lower sides of the short side surface portions 20b, 20d. The second flange portions 40, 40 preferably have a cross section L
It is a character shape, and the side surfaces 20b, 2 on the short side by the screw 60.
It is fixed to the lower part of 0d.

As described above, by forming the second flange portions 40, 40 separately from the filter chamber,
The second flange does not get in the way when tightening the flange screw,
Since a driver etc. can be used, installation becomes easy.

As shown in FIGS. 2 and 3, the filters F and F are accommodated in parallel in the filter accommodating portions 20f and 20f of the filter chamber 20, respectively. In this embodiment, a total of two filters are provided. The filter is housed. The elongated filter chamber 20 is the same as the filter chamber 2
In order to reinforce the intermediate position of 0, a reinforcing tool 90 is attached to the intermediate position.

That is, the reinforcing member 90 is used in the filter chamber 2
While maintaining the shape of 0, the dimension for inserting the filters F, F is secured, and the strength of the filter chamber 20 is increased. The filter chamber 20 may be made of styrofoam, for example, to reduce the weight.

The reinforcing tool 90 is used in the filter chamber 20.
A guide member that is detachably fixed between the side wall portions 95, 95 provided inside the filter and that guides and positions the filters F, F when they are mounted in the filter storage portions 20f, 20f. Doubles as That is, the reinforcing tool 90 includes a flat central portion 90a and guide portions 90b and 90b that are raised from both ends thereof, and the flat plate portion 90a.
Is in close contact with the end portion 102 of the top surface 101 of the two filters F, F to improve the sealing property of the top surface 101 of the filters F, F. The filters F, F top surface 101 is a reinforcing member 9
It is superposed on the flat plate portion 90a of 0 in the size of w. The dimension w is preferably 10 mm to 15 mm, for example.

Next, the operation of the above-mentioned air conditioner will be described.

When the air conditioner 1 is in operation, the arrow S in FIG.
As shown by, the air sucked from the air suction port 3 in the center of the ceiling panel 2 by the drive of the blower 5 passes through the heat exchangers 7a and 7b as shown by an arrow R to be heat-exchanged, The air after heat exchange is blown into the room in the direction of arrow S from the two outlets 4a and 4b.

When the filters F, F and the filter chamber 20 are mounted on the air conditioner 1, the procedure is as follows.

The main body 8 is suspended from the ceiling, and as shown in FIG. 2, the filter chamber 20 is fixed to the flange of the main body 8 by the screw 56 via the first flange portion 30 thereof.

At this time, since the second flange portion 40 is not yet fixed to the lower portion of the filter chamber 20, the operator uses a tool such as a screwdriver normally used to influence the second flange portion 40. Without looking up, you can easily attach it by working from below.

Next, after fixing the second flange portions 40, 40 to the lower portions of the side surface portions 20b, 20d of the filter chamber 20 with screws 60, the second flange portion 4
The ceiling panel 2 is removably fixed to the second flange portions 40, 40 with screws 0, 40 by looking up in the direction E of the arrow.

As described above, unlike the conventional filter chamber, the second flange portions 40, 40 on the panel 2 side have a separation structure that can be attached to the filter chamber 20 afterwards, so that the operator prepares a special tool. Even if it is not necessary, it can be easily attached using a commercially available triver, and the attachment workability can be improved.

When the filters F, F are housed in the portions 20f, 20f, the end 1 of the top surface 101 of the filters F, F is
02 is guided while being guided by the guide portions 90b and 90b. As a result, the flat plate portion 90a has two filters F,
The top surface 101 of the filter F is supported so as to overlap and closely adhere to the end portion 102 of the top surface 101 to improve the sealing property of the top surface 101 of the filters F and F. Further, when the filters F, F are inserted along the guide portions 90b, 90b, the guide portions 90b, 90b are formed in a tapered shape so that the filters F, F can be easily attached.

On the other hand, the blower 5 (fan, fan motor), heat exchangers 7a, 7 arranged in the main body 8 of the indoor unit.
When performing maintenance work such as inspecting or repairing b, etc., if the mounting panel 6 is removed from the ceiling panel 2 and the filters F, F and the reinforcing member 90 are removed from the filter chamber 20, the blower in the main body 8 Since the elements such as 5 are completely exposed, the maintenance work of the corner elements in the main body 8 can be easily performed, and the workability is improved.

The present invention is not limited to the above embodiment,
Various modifications can be made without departing from the scope of the claims.

The guide portions 90b and 90b of the reinforcing member 90 are not necessarily formed with a trapezoidal taper,
Alternatively, it may be a rectangular shape without a taper, as shown in FIG. In this case, the guide portions 90b, 90b have only the function of guiding the mounting positions of the filters F, F.

The inside of the filter chamber 20 is not limited to be divided into two, but may be divided into three or more and three filters F may be arranged. In this case, a plurality of reinforcing tools 90
Will be used.

[0035]

As described above, according to the first aspect of the present invention, by providing the reinforcing tool, the filter chamber can be prevented from being deformed and the filter insertion dimension can be secured. Moreover, since the reinforcing member of the filter chamber is removable, when performing maintenance of the elements such as the blower housed in the main body, by removing the reinforcing member from the filter chamber, maintenance of the element housed in the main body is performed. Will be easier. In addition, the brace will guide the filter.
Can be positioned to the correct position.

In the invention according to claim 2, the reinforcing tool is a guy.
The filter chamber has a taper
Easily insert the filter when storing it in the
be able to.

[0037]

[Brief description of drawings]

FIG. 1 is a perspective view showing an appearance of an air conditioner of the present invention.

FIG. 2 is an exploded perspective view showing the air conditioner of FIG. 1 in a further enlarged manner.

FIG. 3 is a cross-sectional view showing the internal structure of the air conditioner of the present invention.

FIG. 4 is a perspective view showing a deformed side of the reinforcing tool.

[Explanation of symbols]

2 panels 5 blower 7a, 7b heat exchanger 8 body 20 filter chamber 90 Stiffener 90b Guide member (positioning member)

─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yuji Amemiya 2-5-5 Keihan Hon-dori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Kazuhiro Hinata 2-5-2 Keihan-hondori, Moriguchi-shi, Osaka No. 5 In Sanyo Electric Co., Ltd. (72) Inventor Masazumi Makino 2-5-5 Keihan Hon-dori, Moriguchi City, Osaka Sanyo Electric Co., Ltd. (56) Bibliographic references Hei 5-59124 (JP, U) Flat 2-140225 (JP, U) Actual flat 5-85420 (JP, U) Actual flat 1-152714 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) F24F 1 / 00 371 F24F 1/00 401 B01D 46/52

Claims (2)

(57) [Claims] 1. A main body for accommodating a blower and a heat exchanger,
In an air conditioner including a filter chamber in which a plurality of filters are arranged side by side, a reinforcing tool for reinforcing the filter chamber is detachably provided in a central portion of the filter chamber.
In addition to this, this reinforcement tool has a flat plate part and this flat plate part.
It is launched from both ends of the inside of the filter chamber.
Guy that is detachably fixed between the side walls provided
The guide part, both ends of which are bent inward.
And the flat plate part is closely attached to the edge of the top surface of the filter.
An air conditioner characterized by having a part to be worn . 2. The air conditioner according to claim 1.
Te, the guide portion is tapered at both ends is bent inwardly
Air conditioning characterized by being formed in a tapered shape
Machine.