JPH05126356A - Air conditioner - Google Patents

Abstract

PURPOSE:To prevent odor of indoor air from adhering to a heat exchanger by providing a hollow pipe on the upper part of the heat exchanger, said hollow pipe including a hole made therethrough for distributing a cleaning solution longitudinally of the heat exchanger, and distributing the cleaning solution from a heat exchanger cleaning solution tank to the heat exchanger through a solenoid valve pump. CONSTITUTION:There is provided a heat exchanger cleaning solution tank 11 in an indoor unit body 1, to which tank a heat exchanger cleaning solution 10 is replenished from the outside of the body 1, and is further provided a hollow pipe 12 on the upper part of a heat exchanger 2, said hollow pipe 12 including a hole through which the cleaning solution 11 is distributed longitudinally thereof. One end of the hollow pipe 12 is sealed while the other end of the same is coupled with the heat exchanger cleaning solution tank 11 through a solenoid valve pump 17. Once the cleaning solution 10 is dropped from the hole 13 onto the heat exchanger 2, the cleaning solution 10 makes contact with odor matter adhering to the heat exchanger 2 and separates the same whereby the odor matter is recovered onto a drain pan 9 together with the cleaning solution. Thus, the odor of the indoor air is prevented from adhering to the heat exchanger.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner equipped with deodorizing means.

[0002]

2. Description of the Related Art FIG. 7 and FIG.
It shows a conventional air conditioner disclosed in Japanese Patent Publication No. 866. In the figure, reference numeral 1 indicates an indoor unit of the air conditioner, in which a heat exchanger 2 and a blower fan 3 are housed. The front panel 5 facing the heat exchanger 2 has a suction port 6
However, the air outlets 8 provided with the deflection plates 7 are opened at the lower portions thereof. Further, 10 is a liquid deodorant, and 16 is an impregnated body, which is supported and fixed to the heat exchanger 2. 1
Reference numeral 1 is an injection tank for the deodorant 10, which is connected to the impregnated body 16. Reference numeral 14 is a spray container containing the deodorant 10, and 15 is a deodorant injection port provided in the injection tank 11.

Next, the operation will be described. When deodorizing conditioned air, the deodorant 10 contained in the spray container 14 is poured from the deodorant injection port 13 into the injection tank 11 in the indoor unit 1 and is connected to the water injection tank 11. The impregnation body 16 is made to absorb the deodorant 10. Next, when the blower fan 3 is driven, the room air is sucked in through the suction port 6, passes through the heat exchanger 2, and is again discharged into the room through the suction port 8. At this time, since the impregnated body 16 that has sucked the deodorant 10 is fixed to the heat exchanger 2, the indoor air sucked through the suction port 6 is deodorized contained in the impregnated body 16. Contact with agent 10 and receive deodorant effect. For this reason,
The indoor air is deodorized and becomes clean air.

Further, a technique for deodorizing the blown air by providing a deodorant storage chamber in the ventilation passage is disclosed in JP-A-63-10813 and JP-A-63-135727.

[0005]

The conventional air conditioner has the following problems.
Since it is configured as described above, the air passing near the impregnation body 16 is deodorized, but the air passing away from the impregnation body 16 is not deodorized. However, there is a problem that the indoor unit 1 itself becomes a source of a bad smell.

The present invention has been made to solve the above problems, and an object thereof is to obtain an air conditioner in which the odor of room air does not adhere to the heat exchanger.

[0007]

An air conditioner according to the present invention is an air conditioner comprising an indoor unit main body, a heat exchanger and a blower housed inside the main body, and is provided in the main body. A heat exchanger cleaning liquid tank in which the heat exchanger cleaning liquid is replenished from outside the main body, and a hollow pipe provided in an upper portion of the heat exchanger and having a hole formed in the lengthwise direction for spraying the cleaning liquid. The hollow pipe has one end sealed and the other end connected to the heat exchanger cleaning liquid tank via a solenoid valve pump.

[0008]

In the air conditioner according to the present invention, the cleaning liquid is sprayed on the heat exchanger to prevent the smell of indoor air from adhering to the heat exchanger.

[0009]

【Example】

Example 1. An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes an indoor unit of an air conditioner, which houses a heat exchanger 2, a blower fan 3, and a fan motor 4. FIG. 2 is a cross-sectional view of the same, and a suction port 6 is provided in the front panel 5 facing the heat exchanger 2.
However, the air outlets 8 provided with the deflection plates 7 are opened in the lower portions thereof. Further, a drain pan 9 is arranged below the heat exchanger 2. Further, 10 is a heat exchanger cleaning liquid, and 11 is a heat exchanger cleaning liquid tank. Reference numeral 12 is a hollow pipe, one end of which is connected to the heat exchanger cleaning liquid tank 11 via a solenoid valve pump 17,
The other end is sealed. FIG. 3 is an enlarged view of the hollow pipe 12, and a hole 13 for spraying the heat exchanger cleaning liquid is opened in the length direction thereof. Reference numeral 14 is a spray for replenishing the heat exchanger cleaning liquid 10.

Next, the operation will be described. Normal heating
In the cooling operation, first, the fan motor 4 is driven and the fan 3 is rotated to suck the indoor air from the suction port 6 through the heat exchanger 2, and during this time, heat exchange is performed to generate conditioned air, Blow out into the room from the outlet 8. At this time, the odorous substance in the room is also sucked in through the suction port 6 together with the indoor air, and the odorous substance adheres to the heat exchanger 2 in the ventilation passage. If the heating / cooling operation is continued in this state, odorous substances accumulate on the heat exchanger 2 and the heat exchanger becomes a source of odor generation. Therefore, the operation is stopped once and the deodorizing operation is performed.
First, the cleaning liquid 10 contained in the heat exchanger cleaning liquid replenishing spray 14 is poured into the cleaning liquid tank 11 in the indoor unit 1. Next, the electromagnetic valve pump 17 is energized to move the cleaning liquid 10 to the hollow pipe 12 connected to the electromagnetic valve pump 17. The hollow pipe 12 has a hole 13 in a part thereof.
Since it has been opened from the
Drops on the heat exchanger 2. The cleaning liquid 10 dropped on the heat exchanger 2 comes into contact with the odorous substances attached to the heat exchanger 2,
It is separated and collected on the drain pan 9 together with the cleaning liquid 10.

Embodiment 2. Hereinafter, another embodiment of the present invention will be described with reference to the drawings. In FIG. 4, reference numeral 1 denotes an indoor unit of an air conditioner, in which a heat exchanger 2, a blower fan 3, and a fan motor 4 are housed. FIG. 5 is a cross-sectional view, and the front panel 5 facing the heat exchanger 2 includes:
A suction port 6 is provided with a deflection plate 7 at the lower part thereof, and a blow-out port 8 is provided.
But each is open. Further, a drain pan 9 is arranged below the heat exchanger 2. Also heat exchanger 2
Above the above, there is a hollow pipe 12, and a hole 13 for spraying the heat exchanger cleaning liquid is opened in a part in the lengthwise direction thereof, and both ends thereof are sealed. Further, a through hole 15 is opened between the indoor unit 1 and the hollow pipe 12 so that the heat exchanger cleaning liquid replenishing spray 14 can be inserted.

Next, the operation will be described. To deodorize the heat exchanger, the heat exchanger cleaning liquid replenishing spray 14 is inserted through the through hole 15 to fill the inside of the hollow pipe 12 with the cleaning liquid. The hollow pipe 12 has a hole 13 formed in a part thereof.
Drops on the heat exchanger 2. The cleaning liquid 10 dropped on the heat exchanger 2 contacts the odorous substances attached to the heat exchanger 2,
It is separated and collected on the drain pan 9 together with the cleaning liquid.

Embodiment 3. In addition, in the above-mentioned embodiment, the holes 13 for spraying are formed in the hollow pipe 12 at an equal pitch, but the same effect can be obtained even if the holes are installed at random positions in order to improve the distribution under the cleaning liquid droplets (FIG. 6). . Further, in performing the deodorizing operation, the deodorizing operation can be performed before and after the cooling / heating operation and at any time during the operation by using the microcomputer circuit in the main body to improve the deodorizing efficiency.

[0014]

As described above, according to the present invention, in the air conditioner provided with the indoor unit main body, and the heat exchanger and the blower housed inside the main body, the air conditioner is provided in the main body. A heat exchanger cleaning liquid tank to which the heat exchanger cleaning liquid is replenished from the outside, and provided on the upper part of the heat exchanger,
A hollow pipe having a hole formed in its length direction for spraying the cleaning liquid, wherein the hollow pipe has one end sealed and the other end connected to the heat exchanger cleaning liquid tank via a solenoid valve pump. With this configuration, the cleaning liquid is sprayed on the heat exchanger, and the smell of indoor air is prevented from adhering to the heat exchanger.

[Brief description of drawings]

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

FIG. 2 is a vertical sectional view of an air conditioner according to an embodiment of the present invention.

FIG. 3 is a perspective view of a hollow pipe of an air conditioner according to an embodiment of the present invention.

FIG. 4 is a front view of an air conditioner according to another embodiment of the present invention.

FIG. 5 is a vertical sectional view of an air conditioner according to another embodiment of the present invention.

FIG. 6 is a perspective view of a hollow pipe of an air conditioner according to another embodiment of the present invention.

FIG. 7 is a diagram showing a conventional air conditioner.

FIG. 8 is a vertical cross-sectional view of a conventional air conditioner.

[Explanation of symbols]

 1 Indoor Unit Main Body 2 Heat Exchanger 3 Blower Fan 10 Heat Exchanger Cleaning Liquid 11 Heat Exchanger Cleaning Liquid Tank 12 Hollow Pipe 13 Hole 17 Solenoid Valve Pump

Claims (1)

[Claims] 1. An air conditioner comprising an indoor unit main body, and a heat exchanger and a blower housed inside the main body, wherein heat provided in the main body and supplemented with heat exchanger cleaning liquid from outside the main body. An exchanger cleaning liquid tank, and a hollow pipe provided in the upper part of the heat exchanger and having a hole formed in the lengthwise direction for spraying the cleaning liquid, the hollow pipe having one end sealed and the other end Is connected to the heat exchanger cleaning liquid tank via a solenoid valve pump.