JPH08135996A - Air conditioner - Google Patents

Abstract

PURPOSE: To provide an air conditioner in which the operation of attaching or detaching of a drain pump can be facilitated. CONSTITUTION: A ceiling-mounted air conditioner has a heat exchanger, a blower and a drain pump 40 for sucking condensate generated from the exchanger in a body 6 and supplies the heat exchanged air. In order to mount the pump 40, the part of a partition plate 15 is recessed to a machine room K side in which a blower 7 or the like are contained. A mounting part 63 substantially parallel to the ceiling surface is provided in the recess. Thus, the pump can be easily attached to or detached from the part 63.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner which has a heat exchanger, a blower and a drain pump in a main body and blows air after heat exchange.

[0002]

2. Description of the Related Art Among conventional air conditioners, a ceiling-hanging type air conditioner has a blower and a heat exchanger housed in its main body. A partition plate separates the heat exchange chamber from which it is stored.

Such a ceiling-suspended air conditioner is equipped with a drain pump for receiving the condensed water of the heat exchanger in the drain pan and forcibly discharging the condensed water accumulated in the drain pan. , For example, 2-43
No. 37 publication.

As shown in FIG. 8, the conventional drain pump 107 of this type is directly fixed to the partition plate 100 by an L-shaped metal fitting 122 at the upper part of the drain pan 106.

[0005]

However, in the type in which the drain pump 107 is directly fixed to the partition plate 100 as described above, when the drain pump 107 is replaced or repaired, after removing the drain pan, Mounting bracket 122
However, it is necessary to insert a screwdriver into the main body and remove the side screw of the mounting bracket 124. However, there is a problem that it is difficult to work because the inside of the main body is narrow and it is necessary to insert the driver sideways into the main body. Further, also in the assembling work of the air conditioner, there is a problem that the assembling work cannot be easily performed because it is necessary to put a driver in the main body to laterally stop the device.

[0006] Therefore, an object of the present invention is to provide an air conditioner capable of facilitating attachment and detachment work of a drain pump.

[0007]

In order to achieve the above object, a first aspect of the invention is to partition the inside of a main body into a heat exchange chamber having a heat exchanger and a machine room having a blower by a partition plate, In a ceiling-mounted air conditioner equipped with a drain pan for receiving drain water generated by an exchanger and a drain pump for sucking water in the drain pan, a part of the partition plate is recessed into the machine room, and The drain pump is provided in the recess in a mounting portion substantially parallel to the ceiling surface of the main body.

A second invention is a drain pan for partitioning the inside of the main body into a heat exchange chamber having a heat exchanger and a machine room having a blower by a partition plate, and a drain pan for receiving drain water produced by the heat exchanger and the drain pan. In a ceiling-mounted air conditioner equipped with a drain pump for sucking water in the inside, a part of the partition plate is recessed into the machine room, and a mounting portion substantially parallel to the ceiling surface of the main body is provided in the recess. The drain pump is fixed in three places.

[0009]

According to the first aspect of the invention, since the mounting portion of the drain pump is substantially parallel to the ceiling surface, the driver is erected from the drain pan side without inserting the driver sideways in the main body during manufacturing and assembly or maintenance. It can be easily attached and detached just by operating.

According to the second invention, in addition to the first invention, since the drain pump is fixed to the mounting portion at three places, noise and vibration generated from the drain pump can be reduced.

[0011]

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 via a hanging bracket 8 and a hanging bolt 12, and has a suction port 3 on one side of the decorative plate 2 and an air outlet 4 on the other side.
Is opened, and after heat exchange of the air sucked from the suction port 3,
This is a so-called one-way type air conditioner that blows out from the air outlet 4.

The decorative plate 2 is detachably attached to the main body 6. When the decorative plate 2 is removed, the main body 6 is removed.
Is exposed.

A blower 5, a heat exchanger 7, a drain pump 40, an electric equipment box 9 for controlling the operation, etc. are housed in the main body 6, and as shown in FIG. The air is sent to the heat exchanger 7 by the blower 5,
After the heat is exchanged here, it is blown out from the outlet 4.

The electrical equipment box 9 is fixed to one side wall of the main body 6 with screws as shown in FIG.

The heat exchanger 7 is a blower 5 as shown in FIG.
The air (wind) sent by is passed through to exchange heat. The heat exchanger 7 is connected to a refrigerant introduction / exit pipe 11 for introducing a refrigerant into the heat exchanger 7, and an outdoor unit (not shown). )
The refrigerant is introduced from.

On the top surface 6a of the main body 6 of the air conditioner 1 shown in FIG. 2, a sound insulating material (sound absorbing material) 6b is arranged.

As shown in FIG. 2, a partition plate 15 is arranged inside the main body 6 to divide it into a heat exchange chamber T in which the heat exchanger 7 is arranged and a machine chamber S in which the blower 5 and the like are arranged. . The partition plate 15 is arranged so as to be inclined at an angle α with respect to the top surface 6 a of the main body 6. The reason for inclining in this way is to reduce the noise and humming caused by the air from the outlet 5a.

On the other hand, the heat exchanger 7 is arranged at an angle β with respect to the top surface 6a of the main body 6. As a result, the partition plate 15 and the heat exchanger 7 are arranged so as to have a substantially V shape with the top surface 6a side open in FIG.

The blower 5 is fixed to the partition plate 15 described above, and the blowing portion 5a of the blower 5 projects from the opening 15d of the partition plate 15 toward the heat exchanger 7.

As shown in FIG. 2, the drain pump 40 is housed in a recess K in which a part (lower part) of the partition plate 15 is recessed toward the machine room S.

Reference numeral 60 denotes a horizontal piece 61 in which the lower part of the partition plate 15 is bent horizontally, and reference numeral 61 denotes a vertical piece standing at the end of the horizontal piece 60.
62 (see FIG. 4) is a ruled piece obtained by bending the side surface of the vertical piece.
The recess K is formed by these pieces. Reference numeral 63 denotes a mounting portion that is fixed to the vertical piece 61 horizontally, that is, substantially parallel to the ceiling surface of the main body 6. Since the drain pump 40 is fixed to the mounting portion 63, the mounting portion 63 is formed to have a convex cross section in order to improve the strength.

The mounting state of the drain pump 40 is as shown in FIG. 4, and the cushion rubber 45 is fitted into the hole 44 of the mounting piece 43 of the pump body 42, and in this state, the mounting portion 6 is attached.
3 is brought into contact with the plate surface 64 of the No. 3 and the tip of the bolt 47 which penetrates the hole 46 of the cushion rubber 45 from below is inserted into the hole 65 of the lower surface 64.
Screw it on. A float switch 66 and a drain hose 67 are connected to the drain port 48 of the pump body 42.
A suction port 42a for sucking the drain water accumulated in the drain pan 52 shown in FIGS. 4 and 5 is provided in the lower part of the pump body. The drain water sucked by the suction port 42a is drained by a drain port 48, It is forcibly discharged out of the main body 6 through the drain hose 62. The float switch 66 described above
Is used to directly detect the condensed water in the drain pan 55, and prevents the condensed water in the drain pan 55 from overflowing. The float switch 66 has a mounting portion 6
It is fixed to 68 extended from 3. As shown in FIG. 5, the float switch 46 and the drain pump 40 are located above the drain pan 52, and the float switch 46
Is always located in the drain pan 52 and detects the water level of the condensed water.

As shown in FIG. 5, the mounting portion 63 is formed on the inclined partition plate 15 along the horizontal direction (almost parallel to the ceiling surface) indicated by the arrow D.

Next, the operation of this embodiment will be described.

When the air conditioner 1 is in operation, FIG. 1 and FIG.
When the blower 5 is driven by the motor 20 of the above, the air sucked from the suction port 3 on one side of the decorative plate 2 is
As shown by the solid arrow R1 in FIG. 2, the blower unit 5 of the blower 5
The air becomes a wind from a and is blown out in a direction toward the sound insulating material 6b on the top surface 6a of the main body 6.

When manufacturing the air conditioner, the drain pan 5
In a state where 5 is not attached, an operator fixes the drain pump 40 to the attachment portion 63 by raising a driver from the direction of arrow F in FIG. For this reason, in the device of this embodiment, the driver is erected and fixed on the lower surface of the drain pump 40, but the driver operation is easy and the assembly workability is improved.

When the drain pump 40 breaks down or during maintenance, the operator removes the decorative plate 2 shown in FIG. 1 and then removes the drain pan 52 to remove the tool from the direction of arrow F in FIG. Stand up and insert, mounting piece 4 in Figure 6
By rotating the screw 47 of 3, the drain pump 4 can be easily
0 can be removed and installed.

Here, in FIG. 4, the cushion rubber 4
A description will be given of the effect of reducing the vibration when 5 is used at four places, but one of them is removed at 45 '(see FIG. 6).

FIG. 7 shows the noise level in each frequency band when the drain pump is fixed at four points and when it is fixed at three points. As is clear from this graph, it is possible to reduce the noise when fixing at three points rather than when fixing at four points.

The present invention is not limited to the above-described embodiments, but various modifications can be made without departing from the gist of the present invention.

For example, although the embodiment shows a one-way type air conditioner, the present invention is not limited to this, and the present invention can be applied to a so-called two-way type air conditioner.

Although the partition plate is inclined in the illustrated embodiment, the present invention is not limited to this, and the same effect can be obtained even when it is formed vertically.

[0034]

As described above, according to the first aspect of the invention, the mounting portion provided in the recessed portion toward the machine room is made substantially parallel to the ceiling surface, and the drain pump is fixed to this mounting. , During manufacturing and assembly or maintenance,
The drain pump can be easily attached and detached, and workability is good.

According to the second invention, in addition to the first invention, since the drain pump is fixed at three places, noise and vibration generated from the drain pump can be reduced.

[Brief description of drawings]

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

FIG. 2 is a vertical sectional view of the air conditioner of FIG.

3 is a cross-sectional view of the air conditioner as seen from the arrow A in FIG.

FIG. 4 is an exploded perspective view showing a mounted state of the drain pump of FIG.

FIG. 5 is a perspective view showing a mounted state of the drain pump.

FIG. 6 is a plan view of the drain pump.

FIG. 7 is a graph in which noise of a drain pump is measured.

FIG. 8 is a perspective view showing a mounting type of a conventional drain pump.

[Explanation of symbols]

 5 Blower 6 Main body 7 Heat exchanger 15 Partition plate 40 Drain pump 63 Mounting part T Heat exchange chamber S Machine room K Recess

Claims (2)

[Claims] 1. A drain pan for partitioning the inside of the body into a heat exchange chamber having a heat exchanger and a machine room having a blower by a partition plate, and a drain pan for receiving drain water produced by the heat exchanger, and water in the drain pan. In a ceiling-mounted air conditioner equipped with a drain pump that sucks in, a part of the partition plate is recessed to the machine room side, and a mounting portion substantially parallel to the ceiling surface of the main body is provided in the recess. A ceiling-mounted air conditioner, wherein the drain pump is provided in the mounting portion. 2. A drain pan for partitioning the inside of the body into a heat exchange chamber having a heat exchanger and a machine room having a blower by a partition plate, and receiving drain water generated by the heat exchanger, and water in the drain pan. In a ceiling-mounted air conditioner equipped with a drain pump that sucks in, a part of the partition plate is recessed to the machine room side, and a mounting portion substantially parallel to the ceiling surface of the main body is provided in the recess. An air conditioner of a ceiling mount type, characterized in that the drain pump is provided at this mounting portion at three locations from below.