JPH1194493A - Air-conditioning equipment washing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily perform execution without providing a spray nozzle for injecting a detergent into air-conditioning equipment by feeding the detergent from the air intake side of the air-conditioning equipment and then feeding it to the air flow passage inside the air-conditioning equipment along with an air flow being sucked. SOLUTION: A cover 11 being engaged at the air intake side of an indoor unit 1 of an air-conditioning equipment and a filter 12 for filtering objects in air are removed, and a detergent is sprayed to a radiator 14 using a detergent injector 9, thus operating the air-conditioning equipment. Then, the detergent is allowed to flow through an air flow passage along with sucked air flow, and dissolves contaminated deposits containing mold and foul odor being adhered to the surface of the radiator 14 and a duct or decomposes them for sterilization and for killing mold, so that air being discharged from a discharge port 13 becomes fresh. As a result, the need for providing a spray nozzle for injecting the detergent in the unit 1 is eliminated for easy execution.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for cleaning an air conditioner installed in an office, home, or the like.

[0002]

2. Description of the Related Art After an air conditioner has been used for a long time, dirt such as dust in the outside air adheres to a radiator and a duct of the air conditioner, causing mold and odor. Conventionally, there has been a proposal to provide a spray nozzle 70 for spraying a cleaning agent into an air conditioner as shown in FIG. At the time of cleaning, the outer end of the spray nozzle 70 is connected to a cleaning agent sprayer 72 that sprays a cleaning agent through a connection hose 71, and the cleaning agent is sprayed from the spray nozzle 70 to the air conditioner radiator 54, that is, the cleaning agent is cleaned. become. The waste water after washing is discharged from a drain hose 50 (for discharging dew drops formed on the radiator).

[0003]

However, providing the spray nozzle 70 inside the air conditioner complicates the structure of the air conditioner and increases the manufacturing cost. In particular, the ducts 51, 52, 53 and the spray Soil such as mold attached to the nozzle 70 itself cannot be cleaned by the spray nozzle 70, and other cleaning means must be used.

[0004] In view of the above problems, the present invention is easy to implement,
It is an object of the present invention to provide an air conditioner cleaning method that is effective.

[0005]

In order to solve the above problems, an air conditioner cleaning method according to the present invention applies a cleaning agent from the air suction side of the air conditioner, and the cleaning agent is removed together with the sucked air flow. In addition, the air is passed through an air flow passage inside the air conditioner.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the air conditioner cleaning method of the present invention will be described in detail with reference to the drawings, but the present invention is not limited thereto. Embodiment 1 FIG. 1 is a diagram showing an embodiment of a method for cleaning a wall-mounted home air conditioner according to the present invention. Referring to FIG. 1, the cleaning method includes the following steps. The cover 11 fitted on the air suction side of the indoor unit 1 of the air conditioner and the filter 12 for filtering impurities in the air are removed, and the cleaning agent is injected to the radiator 14 using the cleaning agent injector 9. Operate the air conditioner. Then, the cleaning agent flows through the air flow passage together with the sucked air to dissolve or decompose contaminated attachments including mold and odor attached to the surfaces of the radiator 14 and a duct (not shown). Then, the air discharged from the outlet 13 becomes fresh because it is sterilized, killed and dropped. After the washing, the sewage remaining in the indoor unit 1 flows down sequentially and is discharged from a drain hose (not shown).

As described above, in the cleaning method according to the present invention, the cleaning agent is applied from the air suction side of the unit 1 and flows through the air flow passage inside the unit 1 together with the air flow into which the cleaning agent is sucked. In order to clean the air conditioner, a nozzle 7 for spraying a cleaning agent is provided in the unit 1.
0 (FIG. 5) can be easily implemented.
Further, there is an effect that not only the radiator but also the duct can be washed.

[0008] The steps of the cleaning method may be performed before the step or the step is performed. That is, the cleaning agent may be applied during the operation of the air conditioner.

A spray or the like is used as the cleaning agent injector 9. When applying the cleaning agent to the radiator 14, the cleaning agent may be applied by another method without using the cleaning agent injector 9.

[0010] The detergent may be a liquid, but is particularly preferably a foam detergent or a foaming surfactant (hereinafter simply referred to as "foam detergent"). By using the foamed detergent, the detergent can easily diffuse and adhere to the surface of the radiator 14 and the inner wall of the duct, and the dirt can be completely removed.

Further, an appropriate deodorant and / or antibacterial agent may be mixed in the cleaning agent. In particular, a detergent having the following composition by weight is a preferred example. Foam detergent 4-5% Deodorant 10-25% Antibacterial agent 0.2-0.5% Water 70-86% PH value 7-8 Deodorant can remove odor remaining in unit 1 it can. By adding an antibacterial agent, generation of mold and the like in the unit 1 after washing can be suppressed.

As the foam detergent, polyoxyethylene, octyl ferether, for example, a foam detergent (trade name: Emulgen 810) of Kao Corporation, etc. are used. As a deodorant, a deodorant manufactured by Bellvic Co., Ltd. (trade name UD-2)
3) and the like are used. As the antibacterial agent, a cationic antibacterial agent, for example, a cationic antibacterial agent (Marcasite, trade name) of Osaka Kasei Co., Ltd. is used.

Embodiment 2 FIG. 2 is a diagram showing an embodiment of a method for cleaning a ceiling-mounted air conditioner used in an office or the like according to the present invention. Referring to FIG. 2, when cleaning the air conditioner, the following steps are used. A cover and a filter (not shown) fitted to the surface portion 20 of the indoor unit 2 of the air conditioner, that is, the air suction side are removed, and the radiator is disposed at four sides from the suction port 22 using the cleaning agent injector 9. 24, 24, 24, 24 Inject the cleaning agent to operate the air conditioner. Then, the cleaning agent is caused to flow through the air flow passage along with the sucked air by the rotation of the fan 25, and contaminated attachments including mold and odor attached to the surfaces of the radiator 24 and the duct (not shown). In order to dissolve or decompose and disinfect and remove fungi, the air discharged from the air outlets 23, 23, 23, 23 arranged on all sides becomes fresh. After the washing, the sewage remaining in the air conditioner, that is, the unit 2, flows down sequentially and is discharged from a drain hose (not shown).

Of course, the steps of the cleaning method may be performed before the steps. That is, during the operation of the air conditioner (when the fan 25 rotates), the cleaning agent may be sucked into the unit 2 from the suction port 22 together with the air sucked into the fan 25 as soon as the cleaning agent is injected.

Embodiment 3 FIG. 3 is a view showing an embodiment of a method for cleaning a ceiling-mounted air conditioner for home use according to the present invention. Referring to FIG. 3, the following steps are used when cleaning the air conditioner. The air conditioner is operated by removing the cover and the filter (not shown) fitted on the surface portion 30 of the indoor unit 3 of the air conditioner, that is, the air suction side. The cleaning agent is sprayed toward the suction port 32 by using the cleaning agent injector 9. Then, the cleaning agent flows through the air flow passage together with the air sucked into the fan 35, and dissolves or decomposes the contaminated attachments including mold and odor attached to the radiator 34 and the duct surface, thereby disinfecting. The mold is killed and dropped, and the air discharged from the outlet 33 becomes fresh. The sewage remaining in the air conditioner, that is, the unit 3 after the washing, flows down to a drain pan 36 for sequentially discharging dewdrops, and is discharged from a drain hose (not shown).

Embodiment 4 FIG. 4 is a view showing an embodiment of a method of cleaning a floor-mounted air conditioner for a store according to the present invention. Referring to FIG. 4, the cleaning method includes the following steps. In the indoor unit 4 of the air conditioner, a cover and a filter (not shown) fitted on the air suction side.
Is removed or the air suction port 42 is opened, and the cleaning agent is sprayed from the air suction port 42 to the radiator 44 using the cleaning agent sprayer 9. Operate the air conditioner. Then, the cleaning agent flows through the air flow passage along with the air sucked into the fan 45, and dissolves or decomposes the contaminated attachment including mold and odor attached to the radiator 44 and the surface of the duct. Therefore, the air discharged from the outlet 43 becomes fresh because it kills and drops. After the washing, the sewage remaining in the indoor unit 4 flows down sequentially and is discharged from a drain hose (not shown).

Further, the steps of the cleaning method may be performed in advance. That is, the cleaning agent may be applied during the operation of the air conditioner.

Test Example: The following test was carried out based on the cleaning method described in Example 1 above. (1) Air conditioner used for cleaning: Toshiba RAS205
EAH type home air conditioner. (2) Used detergent injector and detergent: As the injector, the detergent is made of aluminum (or may be made of steel).
, And charged at 20 ° C.
LPG is filled to 8 atm. The weight composition of the charged cleaning agent is as follows. Foaming detergent (Kao products, trade name: Emulgen 810) 4.7% Deodorant (Belvic products, trade name: US-23) 15% Antibacterial agent (Osaka Chemical products, products) (Name: Marcasite) 0.3% Water 80% (3) Cleaning step (see FIG. 1): The cover 11 and the filter 12 fitted on the air suction side of the indoor unit 1 were removed, and the air conditioner was operated. The detergent was sprayed on the radiator 14 for about 2 minutes using the detergent injector 9. (4) Cleaning effect: The cleaning agent sprayed on the surface of the radiator 14 was gradually sucked in, and the cool air blown out from the outlet 13 gradually became odorless and finally became odorless. Inspection of the drain hose revealed that sewage was discharged.

[0019]

According to the method for cleaning an air conditioner of the present invention, a cleaning agent is applied from the air suction side of the air conditioner, and the cleaning agent is supplied together with the sucked air flow to the air flow passage inside the air conditioner. Therefore, there is no need to provide a spray nozzle for injecting a cleaning agent in the air conditioner, so that implementation is easy. Further, there is an effect that not only the radiator but also the duct can be washed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a method of cleaning a home wall-mounted air conditioner according to the present invention.

FIG. 2 is a perspective view showing a method of cleaning the ceiling-mounted air conditioner used in an office or the like according to the present invention.

FIG. 3 is an explanatory view showing a method for cleaning a ceiling-mounted household air conditioner according to the present invention.

FIG. 4 is an explanatory view showing a method for cleaning a floor-mounted air conditioner for a store according to the present invention.

FIG. 5 is an explanatory view showing a conventional air conditioner cleaning method.

[Explanation of symbols]

 1, 2, 3, 4 Indoor unit of air conditioner 9, 72 Cleaning agent injector 13, 23, 33, 43 Air outlet 14, 24, 34, 44 Radiator 22, 32, 42 Air inlet

Claims (7)

[Claims] 1. An air conditioner wherein a cleaning agent is applied from the air suction side of the air conditioner, and the cleaning agent flows through an air flow passage inside the air conditioner together with the sucked air flow. Cleaning method. 2. The cleaning agent according to claim 1, wherein a cleaning agent is applied to the air suction side after removing a cover provided on the suction side and a filter for filtering impurities in the air. Air conditioner cleaning method. 3. The method for cleaning an air conditioner according to claim 2, wherein the cleaning agent is sprayed onto a radiator surface in the air conditioner. 4. The air conditioner cleaning method according to claim 1, wherein the air conditioner is operated after applying the cleaning agent. 5. The method for cleaning an air conditioner according to claim 1, wherein the cleaning agent is applied during operation of the air conditioner. 6. The air conditioner cleaning method according to claim 1, wherein the cleaning agent is applied using a cleaning agent injector. 7. The air conditioner cleaning method according to claim 6, wherein the cleaning agent comprises a foamed detergent.