JP2002195640A - Indoor unit of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an easy-to-maintain indoor unit of air conditioner, in which dust is prevented from entering the back face drain pan on the body side and the fixing work of an air filter is facilitated. SOLUTION: The indoor unit of an air conditioner comprises an air inlet 10 provided at an upper part of a body 1, an air inlet 3 provided in a panel 2 fixed to the front face of the body 1, an air filter 7 having a body side end part being inserted into a groove 9 installed in the body 1 and covering the body air inlet 10 and the panel air inlet 3 in its entirety, a heat exchanger 5 disposed in an air duct connecting the body air inlet 10, the panel air inlet 3 and a fan 4, and drain pans 6a and 6b disposed below the heat exchanger 5, wherein the net of the air filter 7 is made denser on the body air inlet 10 side than on the panel air inlet 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor unit for an air conditioner, and more particularly to an indoor unit for an air conditioner that facilitates maintenance such as cleaning.

[0002]

2. Description of the Related Art FIG. 7 is a sectional view showing an indoor unit of a conventional wall-mounted air conditioner. In FIG. 7, reference numeral 1 denotes a main body, and 2 denotes a panel serving as a design portion attached to the front surface of the main body 1, and includes a front panel 2a and an upper panel 2b. Reference numeral 3 denotes a panel suction port formed in the panel 2, and a front panel 2
a front panel inlet 3a, upper panel 2b
And an upper panel suction port 3b formed in the upper surface. Reference numeral 10 denotes a main body suction port formed in the upper part 1a of the main body. Reference numeral 5 denotes a heat exchanger disposed in an air passage connecting the front panel suction port 3a, the top panel suction port 3b, and the main body suction port 10 to the blower 4.

[0003] 6a is a drain pan provided below the front surface of the heat exchanger 5, 6b is a drain pan provided below the rear surface,
An air filter 15 is provided behind the front panel suction port 3a, the top panel suction port 3b, and the main body suction port 10, and covers the entire front panel suction port 3a, the top panel suction port 3b, and the main body suction port 10. Reference numeral 9 denotes a groove provided inside the upper portion of the main body, into which the end of the air filter 15 on the main body 1 side is inserted when the air filter 15 is attached. FIG. 7 is a front view of a conventional air filter. FIG.
In the above, the roughness of the net of the air filter is uniform.

Next, the operation will be described. In such a conventional air conditioner indoor unit, the air taken in from the front panel suction port 3a, the top panel suction port 3b and the main body suction port 10 is supplied to the front panel suction port 3a, the top panel suction port 3b and the main body suction port. The air is sent to the blower 4 via an air filter 15 and a heat exchanger 5 provided behind the mouth 10. At this time, most of the dust is removed by the air filter 15, but part of the dust is contained in the suction air passing through the heat exchanger 5, and some dust and dust adhere to the surface of the heat exchanger 5.
Then, the panel 2 is opened as appropriate, and the air filter 15 is removed and cleaned while being pulled out from the groove 9 of the main body 1.

[0005]

The conventional indoor unit of the air conditioner is constructed as described above. Dust and dirt adhering to the surface of the heat exchanger 5 are removed by a front drain pan 6a and a rear drain pan 6b. Drain pans 6a, 6b
Garbage is getting clogged. When cleaning the dust, the drain pan 6a on the front face can be removed for cleaning, but the drain pan 6b on the rear face is liable to be clogged and cannot be cleaned unless the main body 1 is removed.

Further, the air filter 1 is opened by opening the panel 2.
When the air filter 15 is removed and cleaned, and the end of the air filter 15 on the main body 1 side is inserted into the groove 9 of the main body 1, the air filter 15 is soft and easily bent. It was not easy to insert into the groove 9 of the main body 1. In particular, as shown in FIG.
In the case of a large size, the upper part 1a of the main body and the main body suction port 10 also become large, and the amount of dirt increases, the dirt easily accumulates in the drain pan 6b on the back, cleaning is not easy, and the air filter 15 also has As a result, the air filter 15 is more easily bent when the air filter 15 is cleaned, and it is not easy to insert the end of the air filter 15 on the main body 1 side into the groove 9 of the main body 1. .

The present invention has been made in order to solve the above-mentioned problems, and it is not necessary to perform much maintenance by making it difficult for dust to enter the rear drain pan on the main body 1 side. An object of the present invention is to obtain an indoor unit of an air conditioner in which a filter mounting operation is easy to perform and maintenance is easy.

[0008]

An indoor unit of an air conditioner according to the present invention includes a main body, a main body suction port provided at an upper portion of the main body, a panel attached to a front surface of the main body, and a panel provided at the panel. The panel suction port, the end of the main body side is inserted into a groove provided in the main body, an air filter covering the entire body suction port and the panel suction port, the main body suction port and the panel suction port, In an indoor unit of an air conditioner including a heat exchanger provided in an air passage connecting a blower and a drain pan provided below the heat exchanger, the net on the main body suction port side of the air filter is connected to the panel. It is denser than the suction side.

The air filter includes a panel suction port side net composed of at least one net, and a main body suction port side net composed of a plurality of nets larger in number than the panel suction port side net. The mouth-side net and the main body suction-port-side net are each integrally formed on a frame.

The air filter includes a panel suction port side net, first and second body suction port side nets, and first and second frames rotatably connected by hinges. The first main body suction port side net and the panel suction port side net are integrally formed on the first frame so that the first main body suction port side net is on the hinge portion side. And a second main body suction port side net is integrally formed with a second frame to form a second filter. Further, the second filter is bent around the hinge portion to form the first filter. In the main body suction side net.

Further, an electrostatic filter is provided in the vicinity of the main body suction port provided at the upper part of the main body, separately from the air filter.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a sectional view of an indoor unit of an air conditioner according to Embodiment 1 of the present invention.
FIG. 3 is a front view of an air filter of an indoor unit of the air conditioner. In FIG. 1, reference numeral 1 denotes a main body, 2 denotes a panel serving as a design part attached to the front surface of the main body 1, and a front panel 2a
And the upper panel 2b. Reference numeral 10 denotes a main body suction port formed in the upper part 1a of the main body. 5 is the front panel inlet 3
a, a heat exchanger disposed in an air passage connecting the upper panel suction port 3b and the main body suction port 10 to the blower 4;

6a is a drain pan provided below the front surface of the heat exchanger 5, 6b is a drain pan provided below the rear surface,
Reference numeral 7 denotes an air filter which is provided behind the front panel suction port 3a, the top panel suction port 3b, and the main body suction port 10 and covers the entire surface of the panel suction port 3 and the main body suction port 10. 9
Is a groove provided inside the upper part of the main body and for inserting the end of the air filter 7 on the main body 1 side when the air filter 7 is attached.

In FIG. 2, the net of the air filter 7 is divided into a panel inlet side net 7a made of a coarse net for the air sucked from the panel inlet 3 side and a suction air from the main body inlet 10 side. And a main body suction port side net 7b formed of a dense net.

The main body suction port side net 7b prevents dust and dirt from entering the panel suction port 3a when the suction air passes, thereby preventing dust and dirt from entering the drain pan 6b. The body inlet net 7b of 7 has more rigidity and is easier to insert into the groove 9 of the body 1.

Next, the operation will be described. In the indoor unit of the air conditioner thus configured, the air taken in from the front panel suction port 3a, the upper panel suction port 3b and the main body suction port 10 is supplied to the front panel suction port 3a, the upper panel suction port 3b and the main body suction port. The air is supplied to the blower 4 via an air filter 7 provided behind the opening 10 and the heat exchanger 5. At this time, the main body suction port 1 formed on the upper surface of the main body 1
The air taken in from 0 prevents dust and dirt from entering the drain pan 6b at the main body inlet net 7b of the air filter 7. When the panel 2 is opened and the air filter 7 is removed from the main body 1 while being pulled out of the main body 1 for cleaning, the end of the air filter 15 on the main body 1 side is inserted into the main body 1 groove 9. Since the main body inlet net 7b is more rigid, it is easier to insert the end of the main body 1 into the groove 9 of the main body 1.

As described above, by providing the air filter 7 with coarse and dense portions in the net, it is possible to make it difficult for dust and dirt to accumulate in the drain pan 6b of the main body 1 and to eliminate clogging of the drain pan. 7 is more rigid, the air filter 7 does not bend when the end of the air filter 7 on the main body 1 side is inserted into the groove 9 of the main body 1. Can be easily inserted into the groove 9 of the main body 1.

In the above-described embodiment, the size of the normal main body is shown. However, as shown in FIG. Since the main body inlet net 7b of the main body 7 is a dense net, dust and dirt hardly collect on the drain pan 6b of the main body 1, and the air filter can be easily attached and maintenance can be easily performed.

Embodiment 2 FIG. 4 is a sectional view of an air filter of an indoor unit of an air conditioner according to Embodiment 2 of the present invention. The configuration and operation of the indoor unit of the air conditioner are the same as those of the first embodiment, and the description will be omitted, and the air filter will be described.

In FIG. 4, the net of the air filter 7 is provided for the suction air from the panel suction port 3 side, and the panel suction port side net 7c composed of one net is provided.
And a main body inlet side net 7d composed of two nets and a frame 11 provided for suction air from the main body inlet port 10 side.
And the main body suction port side net 7d are integrally formed on the frame. Thus, the panel inlet side net and 7c are coarse nets, the main body inlet side net 7d is a dense net, and the air filter 7 is made of one type of material.

In the indoor unit of the air conditioner provided with the air filter 7 configured as described above, the air taken in from the main body suction port 10 formed on the upper surface of the main body 1 is supplied to the main body suction port of the air filter 7. The mouth net 7b prevents dust and dirt from entering the drain pan 6b.

As described above, the air filter 7 can be provided with a coarse and dense portion in the net by using one kind of material, and it is possible to make it difficult for dust and dirt to accumulate in the drain pan 6b of the main body 1 and to eliminate clogging of the drain pan. The air filter 7 can be attached to the end of the air filter 7 on the body 1 side.
Can be easily inserted into the groove 9.

Embodiment 3 FIG. FIG. 5 is a sectional view of an air filter of an indoor unit of an air conditioner according to Embodiment 3 of the present invention. The configuration and operation of the indoor unit of the air conditioner are the same as those of the first embodiment, and the description will be omitted, and the air filter will be described.

In the drawing, reference numeral 7e denotes a panel suction side net for suction air from the panel suction port 3, 7f denotes a first main body suction side net for suction air from the main body suction port 10, 7g. Are the second body inlet side nets, 12, 1
Reference numeral 3 denotes first and second frames that are rotatably connected by hinges 14. 15 is the first main body suction port side net 7f
The first filter 16 in which the first body suction port side net 7f and the panel suction port side net 7e are integrally formed on the first frame 12 so that
This is a second filter in which the second main body suction port side net 7g is integrally formed with the second frame 13.

The air filter 7 constructed as described above
Is obtained by bending the second filter 16 around the hinge portion 14 and forming the main body suction side net 7 of the first filter 15.
f, a dense net is attached to the indoor unit of the air conditioner. The air taken in from the main body suction port 10 formed on the upper surface of the main body 1 is supplied to an air filter.
7 prevents dust and dirt from entering the drain pan 6b at the inlet side net 7b. Further, dust adhering to the air filter 7 is cleaned by returning the folded second filter 16 to its original position.

As described above, the air filter 7 has the
Of the filter 16 around the hinge portion 14,
The first filter 15 is superimposed on the main body suction port side net 7f to form a dense net. Therefore, when the net is simply used by superimposing the net, it is difficult to remove dust between the nets.
Also, the mating surfaces of the air filters 15 and 16 can be cleaned, and the cleanability can be improved. In addition, dust and dirt are less likely to collect on the drain pan 6b of the main body 1, and clogging of the drain pan can be eliminated.

Embodiment 4 FIG. 6 is a sectional view of an indoor unit of an air conditioner according to Embodiment 4 of the present invention. In the figure, the same parts as those in FIG. 1 of the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. Reference numeral 8 denotes an electrostatic filter provided between the air filter 7 and the heat exchanger 5 in the vicinity of the main body suction port 10 provided in the upper part 1a of the main body 1. This electrostatic filter 8 can be more dust-free than the air filter 7, and is provided separately because the maintenance period is longer.

In the indoor unit of the air conditioner thus configured, the main body suction port 1 formed on the upper surface 1a of the main body 1 is formed.
The air taken in from 0 prevents dust and dirt from entering the drain pan 6b by an air filter 7 and an electrostatic filter 8.

As described above, in the indoor unit of the air conditioner, by arranging the electrostatic filter 8 in the main body suction port 10, dust and dirt hardly collect in the drain pan 6b of the main body 1, Drain pan clogging can be eliminated. Although the maintenance period of the electrostatic filter 8 and the maintenance period of the air filter are different, they are provided separately, so that maintenance can be easily performed.

[0030]

Since the present invention is configured as described above, the following effects can be obtained.

A main body, a main body suction port provided on an upper portion of the main body, a panel mounted on a front surface of the main body, a panel suction port provided on the panel, and a groove provided on the main body. An air filter whose end is inserted and covers the entire body suction port and panel suction port, a heat exchanger provided in an air passage connecting the body suction port, the panel suction port and the blower, and a heat exchanger of the heat exchanger In the indoor unit of the air conditioner provided with the drain pan provided below, since the net on the main body suction port side of the air filter is made denser than the panel suction port side, dust and dirt and the like from the main body suction port. Prevents entry into the drain pan of the main body, eliminates clogging of the drain pan, does not require much maintenance, and makes maintenance of the air filter easier It is possible to make it easy to.

Further, the air filter includes a panel suction side net composed of at least one net, and a main body suction side net composed of a plurality of nets larger in number than the panel suction side net. Since the mouth-side net and the main body suction-port side net are formed integrally with the frame, the air filter 7 can be provided with a coarse and dense portion in the net with one kind of material, and dust and dirt can be removed from the main body suction port. It is possible to prevent the drain pan of the main body from entering the drain pan and to eliminate the clogging of the drain pan, so that it is not necessary to perform much maintenance, and it is possible to easily perform the maintenance work of the air filter and to perform the maintenance.

The air filter includes a panel suction port side net, first and second body suction port side nets, and first and second frames rotatably connected by hinges. The first main body suction port side net and the panel suction port side net are integrally formed on the first frame so that the first main body suction port side net is on the hinge portion side. And a second main body suction port side net is integrally formed with a second frame to form a second filter. Further, the second filter is bent around the hinge portion to form the first filter. Since it overlaps with the main body suction port side net, the mating surface of the overlapped air filter can also be cleaned, cleanability can be improved, and dust and dirt are prevented from entering the drain pan of the main body, Drain pan It is possible to eliminate clogging, may not be so much done the maintenance, also, it is possible to facilitate the maintenance easier mounting work of the air filter.

Also, since an electrostatic filter is provided separately from the air filter in the vicinity of the main body suction port provided at the upper part of the main body, maintenance can be facilitated, and dust and dirt accumulate more in the drain pan. And the drain pan can be eliminated.

[Brief description of the drawings]

FIG. 1 is a sectional view of an indoor unit of an air conditioner according to Embodiment 1 of the present invention.

FIG. 2 is a front view of an air filter according to Embodiment 1 of the present invention.

FIG. 3 is a cross-sectional view of the indoor unit of the air conditioner according to Embodiment 1 of the present invention.

FIG. 4 is a front view of an air filter according to Embodiment 2 of the present invention.

FIG. 5 is a front view of an air filter according to Embodiment 3 of the present invention.

FIG. 6 is a sectional view of an indoor unit of an air conditioner according to Embodiment 4 of the present invention.

FIG. 7 is a cross-sectional view showing an indoor unit of a conventional air conditioner.

FIG. 8 is an air filter of an indoor unit of a conventional air conditioner.
FIG.

FIG. 9 is a cross-sectional view showing an indoor unit of a conventional air conditioner.

[Explanation of symbols]

1 body, 2 panels, 3 suction ports, 3a panel front suction ports, 3b panel top suction ports, 10 body suction ports,
4 Blower, 5 heat exchanger, 6a Front drain pan, 6
b Back drain pan, 7 Air filter, 7a, 7
c, 7e Panel inlet side net, 7b, 7d, 7f,
7g body suction side net, 8 electrostatic filter, nine grooves, 10 body suction port, 11 frame, 12 first frame, 13 second frame, 14 hinge part, 1
5 First air filter, 16 Second air filter.

Claims (4)

[Claims] 1. A main body, a main body suction port provided on an upper portion of the main body, a panel mounted on a front surface of the main body, a panel suction port provided on the panel, and a groove provided on the main body. An air filter, the end of which is inserted, which covers the entire body suction port and panel suction port, a heat exchanger provided in an air passage connecting the body suction port, the panel suction port and the blower, and the heat exchange. An indoor unit of an air conditioner having a drain pan provided below a vessel, wherein the net on the main body suction port side of the air filter is made denser than the panel suction port side. Indoor unit. 2. The air filter according to claim 1, wherein the air filter includes: a panel suction side net including at least one net; and a main body suction side net including a plurality of nets in a number greater than the panel suction side net. The indoor unit for an air conditioner according to claim 1, wherein the mouth side net and the main body suction port side net are each integrally formed on a frame. 3. The air filter includes a panel suction port side net, first and second body suction port side nets, and first and second frames rotatably connected by hinge portions. The first main body suction port side net and the panel suction port side net are integrally formed on the first frame so that the first main body suction port side net is on the hinge portion side. The second body suction port side net is integrally molded with the second frame to form a second filter,
The indoor unit of an air conditioner according to claim 1, wherein the second filter is bent around the hinge portion and overlapped with the net on the main body suction port side of the first filter. 4. An air conditioner according to claim 1, wherein an electrostatic filter is provided separately from the air filter in the vicinity of a main body suction port provided at an upper part of the main body. Indoor unit.